e2b009d1ea92e947bd7cc490e2d1d0eb508d2745
[external/binutils.git] / gold / ChangeLog
1 2010-05-26  Doug Kwan  <dougkwan@google.com>
2
3         * arm.cc (Arm_scan_relocatable_relocs): New class.
4         (Target_arm::relocate_special_relocatable): New method.
5         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6         (Arm_relocate_functions::thumb_branch_common): Same.
7         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
8         instead of Default_scan_relocatable_relocs.
9         * target-reloc.h (relocate_for_relocatable): Let target handle
10         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
11         * target.h (Sized_target::relocate_special_relocatable): New method.
12
13 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
14
15         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
16
17 2010-05-23  Doug Kwan  <dougkwan@google.com>
18
19         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
20         instead of a cast.
21         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
22         with a direct branch, not a conditional branch, to a stub.
23         * merge.cc (Output_merge_base::record_input_section): New method
24         defintion.
25         (Output_merge_data::do_add_input_section): Record input section if
26         keeps-input-sections flag is set.
27         (Output_merge_string::do_add_input_section): Ditto.
28         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
29         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
30         INPUT_SECTIONS_.
31         (Output_merge_base::keeps_input_sections,
32         Output_merge_base::set_keeps_input_sections,
33         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
34         method definitions.
35         (Output_merge_base::Input_sections): New type declaration.
36         (Output_merge_base::input_sections_begin,
37         Output_merge_base::input_sections_end,
38         Output_merge_base::do_set_keeps_input_sections): New method definitions.
39         (Output_merge_base::bool keeps_input_sections_,
40         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
41         Output_merge_base::input_sections_): New data members.
42         (Output_merge_data::do_set_keeps_input_sections): New method
43         defintion.
44         (Output_merge_string::do_set_keeps_input_sections): Ditto.
45         * output.cc (Output_section::Input_section::relobj): Move method
46         defintion from class declaration to here and handle merge sections.
47         (Output_section::Input_section::shndx): Ditto.
48         (Output_section::Output_section): Remove initializations of removed
49         data members and initialize new data member LOOKUP_MAPS_.
50         (Output_section::add_input_section): Set keeps-input-sections flag
51         for a newly created merge output section as appropriate.  Adjust code
52         to use Output_section_lookup_maps class.
53         (Output_section::add_relaxed_input_section): Adjst code for lookup
54         maps code refactoring.
55         (Output_section::add_merge_input_section): Add a new parameter
56         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
57         class.  If adding input section to a newly created merge output
58         section fails, remove the new merge section.
59         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
60         Adjust code for use of the Output_section_lookup_maps class. 
61         (Output_section::find_merge_section): Ditto.
62         (Output_section::build_lookup_maps): New method defintion.
63         (Output_section::find_relaxed_input_section): Adjust code to use
64         Output_section_lookup_maps class.
65         (Output_section::get_input_sections): Export merge sections.  Adjust
66         code to use Output_section_lookup_maps class.
67         (Output_section:::add_script_input_section): Adjust code to use
68         Output_section_lookup_maps class.  Update lookup maps for merge
69         sections also.
70         (Output_section::discard_states): Use Output_section_lookup_maps.
71         (Output_section::restore_states): Same.
72         * output.h (Merge_section_properties): Move class defintion out of
73         Output_section.
74         (Output_section_lookup_maps): New class.
75         (Output_section::Input_section::is_merge_section): New method
76         defintion.
77         (Output_section::Input_section::relobj): Move defintion out of class
78         defintion.  Declare method only.
79         (Output_section::Input_section::shndx): Ditto.
80         (Output_section::Input_section::output_merge_base): New method defintion.
81         (Output_section::Input_section::u2_.pomb): New union field.
82         (Output_section::Merge_section_by_properties_map,
83         Output_section::Output_section_data_by_input_section_map,
84         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
85         Remove types.
86         (Output_section::add_merge_input_section): Add new parameter
87         KEEPS_INPUT_SECTIONS.
88         (Output_section::build_lookup_maps): New method declaration.
89         (Output_section::merge_section_map_,
90         Output_section::merge_section_by_properties_map_,
91         Output_section::relaxed_input_section_map_,
92         Output_section::is_relaxed_input_section_map_valid_): Remove data
93         members.
94         (Output_section::lookup_maps_): New data member.
95
96 2010-05-21  Doug Kwan  <dougkwan@google.com>
97
98         PR gold/11619
99         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
100         avoid a compilation error.
101
102 2010-05-19  Rafael Espindola  <espindola@google.com>
103
104         * script-sections.cc (Output_section_definition::allocate_to_segment):
105         Update the phdrs_list even when the output section is NULL.
106         * testsuite/Makefile.am: Add test.
107         * testsuite/Makefile.in: Regenerate.
108         * testsuite/script_test_9.cc: New.
109         * testsuite/script_test_9.sh: New.
110         * testsuite/script_test_9.t: New.
111
112 2010-05-19  Doug Kwan  <dougkwan@google.com>
113
114         * arm.cc (Arm_input_section::original_size): New method.
115         (Arm_input_section::do_addralign): Add a cast.
116         (Arm_input_section::do_output_offset): Remove static cast.
117         (Arm_input_section::original_addralign,
118          Arm_input_section::original_size_): Change type to uint32_t.
119         (Arm_input_section::init): Add safe casts for section alignment
120         and size.
121         (Arm_input_section::set_final_data_size): Do not set address and
122         offset of stub table.
123         (Arm_output_section::fix_exidx_coverage): Change use of of
124         Output_section::Simple_input_section to that of
125         Output_section::Input_section.
126         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
127         except for the first pass.
128         * output.cc (Output_section::get_input_sections): Change type of
129         input_sections to std::list<Input_section>.
130         (Output_section::add_script_input_section): Rename from
131         Output_section::add_simple_input_section.  Change type of SIS
132         parameter from Simple_input_section to Input_section.
133         * output.h (Output_section::Simple_input_section): Remove class.
134         (Output_section::Input_section): Change class visibility to public.
135         (Output_section::Input_section::addralign): Use stored alignments
136         for special input sections if set.
137         (Output_section::Input_section::set_addralign): New method.
138         (Output_section::get_input_sections): Change parameter type from
139         list of Simple_input_section to list of Input_section.
140         (Output_section::add_script_input_section): Rename from
141         Output_section::add_simple_input_section. Change first parameter's
142         type from Simple_input_section to Input_section and remove the
143         second and third parameters.
144         * script-sections.cc (Input_section::Input_section_list): Change
145         type to list of Output_section::Input_section/
146         (Input_section_info::Input_section_info): Change parameter type of
147         INPUT_SECTION to Output_section::Input_section.
148         (Input_section_info::input_section): Change return type.
149         (Input_section_info::input_section_): Change type to
150         Output_section::Input_section.
151         (Output_section_element_input::set_section_addresses): Adjust code
152         to use Output_section::Input_section instead of
153         Output_section::Simple_input_section.  Adjust code for renaming
154         of Output_section::add_simple_input_section.
155         (Orphan_output_section::set_section_addresses): Ditto.
156
157 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
158
159         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
160         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
161
162 2010-05-18  Rafael Espindola  <espindola@google.com>
163
164         * options.cc (General_options::finalize): Handle -nostdlib.
165         * options.h (nostdlib): New option.
166         * script.cc (script_add_search_dir): Handle -nostdlib.
167
168 2010-05-12  Doug Kwan  <dougkwan@google.com>
169
170         * arm.cc (Target_arm::do_finalize_sections): Create an empty
171         attributes section only if there no attributes section after merging.
172         (Target_arm::merge_object_attributes): Move value of
173         Tag_MPextension_use_legacy to that of Tag_MPextension_use. 
174         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
175         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
176         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
177         and arm_attr_merge_7.stdout.
178         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
179         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
180         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
181         arm_attr_merge_7b.o): New rules.
182         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
183         arm_attr_merge_7
184         * testsuite/Makefile.in: Regenerate.
185         * testsuite/arm_attr_merge.sh: New file.
186         * testsuite/arm_attr_merge_[67][ab].s: Same.
187
188 2010-05-05  Nick Clifton  <nickc@redhat.com>
189
190         * po/es.po: Updated Spanish translation.
191
192 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
193
194         * Makefile.am (install-exec-local): Properly install gold as
195         default cross linker.
196         * Makefile.in: Regenerated.
197
198 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
199             Nick Clifton  <nickc@redhat.com>
200
201         * configure.ac (install_as_default): Define and set to false
202         unless --enable-gold or --enable-gold=both/gold has been
203         specified.
204         * configure: Regenerate.
205
206         * Makefile.am (install-exec-local): Install the executable as
207         'ld.gold'.  If install_as_default is true then also install it as
208         'ld'.
209         * Makefile.in: Regenerated.
210
211 2010-04-24  Ian Lance Taylor  <iant@google.com>
212
213         * layout.cc (Layout::layout_reloc): In relocatable link don't
214         combine reloc sections for grouped sections.
215
216 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
217
218         * gc.h (gc_process_relocs): Pass information on relocs pointing to
219         sections that are not ordinary to icf.
220         * icf.cc (get_section_contents): Handle relocation pointing to section
221         with no object or shndx information.
222         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
223         * testsuite/Makefile.in: Regenerate.
224         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
225         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
226
227 2010-04-22  Ian Lance Taylor  <iant@google.com>
228
229         * expression.cc (Expression::Expression_eval_info): Add
230         result_alignment_pointer field.
231         (Expression::eval_with_dot): Add result_alignment_pointer
232         parameter.  Change all callers.
233         (Expression::eval_maybe_dot): Likewise.
234         (class Binary_expression): Add alignment_pointer parameter to
235         left_value and right_value.  Change all callers.
236         (BINARY_EXPRESSION): Set result alignment.
237         (class Trinary_expression): Add alignment_pointer parameter to
238         arg2_value and arg3_value.  Change all callers.
239         (Trinary_cond::value): Set result alignment.
240         (Max_expression::value, Min_expression::value): Likewise.
241         (Align_expression::value): Likewise.
242         * script-sections.cc (class Sections_element): Add dot_alignment
243         parameter to set_section_addresses virtual function.  Update
244         instantiations.
245         (class Output_section_element): Likewise.
246         (Script_sections::create_segments): Add dot_alignment parameter.
247         Change all callers.
248         (Script_sections::create_segments_from_phdrs_clause): Likewise.
249         (Script_sections::set_phdrs_clause_addresses): Likewise.
250         * script-sections.h: Update declarations.
251         * script.h: Update declarations.
252         * output.h (Output_segment::set_minimum_p_align): Don't decrease
253         min_p_align.
254         * testsuite/script_test_3.t: Set large alignment.
255         * testsuite/script_test_3.sh: Make sure that at least one LOAD
256         segment has expected alignment.
257
258 2010-04-22  Nick Clifton  <nickc@redhat.com>
259
260         * po/gold.pot: Updated by the Translation project.
261         * po/vi.po: Updated Vietnamese translation.
262
263 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
264
265         * testsuite/Makefile.am (check_PROGRAMS): Add
266         icf_virtual_function_folding_test.
267         * testsuite/Makefile.in: Regenerated.
268
269 2010-04-15  Andrew Haley  <aph@redhat.com>
270
271         * options.h (merge_exidx_entries): New option.
272         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
273         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
274         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
275         (Target_arm::merge_exidx_entries): New function.
276         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
277         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
278         to Arm_exidx_fixup constructor.
279         Add new arg, merge_exidx_entries.
280         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
281         Arm_output_section::fix_exidx_coverage.
282
283 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
284
285         * icf.cc (get_section_contents): Check for preemptible functions.
286         Ignore addend when appropriate.
287         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
288         section folded.
289         (add_from_relobj): Check for section folded.
290         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
291         * symtab.h (should_add_dynsym_entry): Add new parameter.
292         * target-reloc.h (scan_relocs): Check for section folded.
293         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
294         Check reloc types for function pointers in shared objects.
295         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
296         case.
297         (icf_preemptible_functions_test): New test case.
298         (icf_string_merge_test): New test case.
299         * testsuite.Makefile.in: Regenerate.
300         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
301         bar_glob.  Refactor code.
302         * testsuite/icf_preemptible_functions_test.cc: New file.
303         * testsuite/icf_preemptible_functions_test.sh: New file.
304         * testsuite/icf_string_merge_test.cc: New file.
305         * testsuite/icf_string_merge_test.sh: New file.
306         * testsuite/icf_virtual_function_folding_test.cc: New file.
307         * testsuite/icf_virtual_function_folding_test.sh: New file.
308
309 2010-04-14  Doug Kwan  <dougkwan@google.com>
310
311         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
312         for local symbol recounting if we remove a section due to ICF.
313         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
314         there are no regular objects in input.
315
316 2010-04-13  Doug Kwan  <dougkwan@google.com>
317
318         * arm.cc (Arm_input_section::set_final_data_size): Compute
319         accurate final data size instead of using current data size.
320
321 2010-04-09  Doug Kwan  <dougkwan@google.com>
322
323         * layout.cc (Layout::choose_output_section): Handle script section
324         types.
325         (Layout::make_output_section_for_script): Add section type parameter.
326         Handle script section types.
327         * layout.h (Layout::make_output_section_for_script): Add section
328         type parameter.
329         * output.cc (Output_section::Output_section): Initialize data member
330         is_noload_.
331         (Output_section::do_reset_address_and_file_offset): Do not set address
332         to 0 if section is a NOLOAD section.
333         * output.h (Output_section::is_noload): New method.
334         (Output_section::set_is_noload): Ditto.
335         (Output_section::is_noload_): New data member.
336         * script-c.h (Script_section_type): New enum type.
337         (struct Parser_output_section_header): Add new file section_type.
338         * script-sections.cc (Sections_element::output_section_name): Add
339         parameter for returning script section type.
340         (Output_section_definition::output_section_name): Ditto.
341         (Output_section_definition::section_type)P; New method.
342         (Output_section_definiton::script_section_type_name): Ditto.
343         (Output_section_definition::script_section_type_): New data member.
344         (Output_section_definition::Output_section_definition): Initialize
345         data member Output_section_definition::script_section_type_.
346         (Output_section_definition::create_sections): Pass script section type
347         to Layout::make_output_section_for_script.
348         (Output_section_definition::output_section_name): Return script
349         section type to caller.
350         (Output_section_definition::set_section_address): Do not advance
351         dot value and load address if section type is NOLOAD.  Set address
352         of NOLOAD sections regardless of section flags.
353         (Output_section_definition::print): Print section type if it is
354         not SCRIPT_SECTION_TYPE_NONE.
355         (Output_section_definition::section_type): New method.
356         (Output_section_definition::script_section_type_name): Ditto.
357         (Script_sections::output_section_name): Add new parameter
358         PSECTION_TYPE for returning script section type.  Pass it to
359         section elements.  Handle discard sections.
360         (Sort_output_sections::operator()): Handle NOLOAD sections.
361         * script-sections.h (Script_sections::Section_type): New enum type.
362         (Script_sections::output_section_name): Add a new parameter for
363         returning script section type.
364         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
365         INFO and NOLOAD.
366         * yyscript.y (union): Add new field SECTION_TYPE.
367         (COPY, DSECT, INFO, NOLOAD): New tokens.
368         (opt_address_and_section_type): Change type to output_section_header.
369         (section_type): New non-terminal
370         (section_header): Handle section type.
371         (opt_address_and_section_type): Return section type value.
372
373 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
374
375         * testsuite/plugin_common_test_1.c (foo): Add prototype.
376         * testsuite/plugin_common_test_2.c (foo): Likewise.
377
378 2010-04-08  Doug Kwan  <dougkwan@google.com>
379
380         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
381         Output_merge_data.
382         * output.cc (Output_section::add_merge_input_section): Simplify
383         code and return status of Output_merge_base::add_input_section.
384         Update merge section map only if Output_merge_base::add_input_section 
385         returns true.
386
387 2010-04-07  Doug Kwan  <dougkwan@google.com>
388
389         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
390         if section is marked as containing instructions but has no mapping
391         symbols.
392         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
393         correct section index.
394         (Arm_relobj::find_linked_text_section): Ditto.
395
396 2010-04-07  Cary Coutant  <ccoutant@google.com>
397
398         * archive.cc (include_member): Destroy Read_symbols_data object before
399         releasing file.
400         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
401         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
402         (Read_symbols_data::~Read_symbols_data) New destructor.
403         (Section_relocs::Section_relocs) New constructor.
404         (Section_relocs::~Section_relocs) New destructor.
405         (Read_relocs_data::Read_relocs_data) New constructor.
406         (Read_relocs_data::~Read_relocs_data) New destructor.
407         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
408         pointers to NULL after deleting.
409
410 2010-04-07  Doug Kwan  <dougkwan@google.com>
411
412         * arm.cc: Replace "endianity" with "endianness" in comments.
413         (Arm_exidx_cantunwind): Ditto.
414         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
415         (Arm_relobj::merge_flags_and_attributes): New method.
416         (Arm_relobj::merge_flags_and_attributes_): New data member.
417         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
418         (Arm_relobj::scan_sections_for_stubs): Ditto.
419         (Arm_relobj::do_read_symbols): Check to see if we really want to
420         merge processor-specific flags and attributes.  Exit early if
421         an object is empty except for section names and the undefined symbol.
422         (Target_arm::do_finalize_sections): Move check for ELF format to
423         Arm_relobj::do_read_symbols.  Merge processor specific flags and
424         attributes from a regular object only when we have determined that
425         it is aapropriate.  Do not create an .ARM.attributes section in
426         output if there is no regular input object.
427         (Target_arm::merge_processor_specific_flags): Check
428         --warn-mismatch before printing any error.
429         (Target_arm::merge_object_attributes): Ditto.
430         * gold.cc (queue_middle_tasks): Handle the case in which there is
431         no regular object in input.
432         * options.cc (General_options::parse_EB): New method.
433         (General_options::parse_EL): Same.
434         (General_options::General_options): Initialize endianness_.
435         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
436         New options.
437         (General_options::Endianness): New enum.
438         (General_options::endianness): New method.
439         (General_options::endianness_): New data member.
440         * parameters.cc (Parameters::set_options): Check target endianness.
441         (Parameters::set_target_once): Ditto.
442         (Parameters::check_target_endianness): New method.
443         (parameters_force_valid_target): If either -EL or -EB is specified,
444         use it to define endianness of default target.
445         * parameters.h (Parameters::check_target_endianness): New method
446         declaration.
447         * target.h (class Target): Change "endianity" to "endianness"
448         in comments.
449
450 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
451
452         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
453         * configure: Regenerate.
454         * Makefile.in: Regenerate.
455         * testsuite/Makefile.in: Regenerate.
456
457 2010-04-06  Cary Coutant  <ccoutant@google.com>
458
459         gcc PR lto/42757
460         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
461         prevailing definitions of common symbols.
462         * testsuite/plugin_test_6.sh: New test case.
463         * testsuite/plugin_common_test_1.c: New test case.
464         * testsuite/plugin_common_test_2.c: New test case.
465         * testsuite/Makefile.am (plugin_test_6): New test case.
466         * testsuite/Makefile.in: Regenerate.
467
468 2010-04-06  Nick Clifton  <nickc@redhat.com>
469
470         * po/vi.po: New Vietnamese translation.
471
472 2010-03-30  Doug Kwan  <dougkwan@google.com>
473
474         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
475
476 2010-03-25  Doug Kwan  <dougkwan@google.com>
477
478         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
479         to avoid a conversion warning on a 32-bit host.
480
481 2010-03-24  Ian Lance Taylor  <iant@google.com>
482
483         * testsuite/script_test_3.t: Add a TLS segment.
484         * testsuite/Makefile.am (check_PROGRAMS): Add
485         tls_phdrs_script_test.
486         (tls_phdrs_script_test_SOURCES): Define.
487         (tls_phdrs_script_test_DEPENDENCIES): Define.
488         (tls_phdrs_script_test_LDFLAGS): Define.
489         (tls_phdrs_script_test_LDADD): Define.
490         * testsuite/Makefile.in: Rebuild.
491
492 2010-03-23  Cary Coutant  <ccoutant@google.com>
493
494         * fileread.cc (find_or_make_view): Fix comment.
495
496 2010-03-23  Ian Lance Taylor  <iant@google.com>
497
498         * script-sections.cc (class Orphan_section_placement): Define
499         PLACE_TLS and PLACE_TLS_BSS.
500         (Orphan_section_placement::Orphan_section_placement): Initialize
501         new places.
502         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
503         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
504         (tls_script_test_SOURCES): Define.
505         (tls_script_test_DEPENDENCIES): Define.
506         (tls_script_test_LDFLAGS): Define.
507         (tls_script_test_LDADD): Define.
508         * testsuite/Makefile.in: Rebuild.
509
510 2010-03-22  Doug Kwan  <dougkwan@google.com>
511
512         * arm.cc (Arm_relocate_functions::abs8,
513         Arm_relocate_functions::abs16): Use correct check for overflow
514         specified in the ARM ELF specs.
515         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
516         target of a BLX instruction specially.
517         (Reloc_stub::stub_type_for_reloc): Ditto.
518         (Relocate::relocate): Use symbolic names instead of numeric relocation
519         codes to report error.
520         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
521         workaround.
522         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
523         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
524         thumb2_blx_out_of_range.stdout
525         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
526         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
527         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
528         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
529         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
530         thumb2_blx_in_range, thumb2_blx_in_range.o,
531         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
532         thumb2_blx_out_of_range.o): New rules.
533         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
534         thumb2_blx_in_range and thumb2_blx_out_of_range.
535         * testsuite/Makefile.in: Regenerate.
536         * arm_branch_in_range.sh: Add tests for THUMB BLX.
537         * testsuite/thumb_blx_in_range.s: New file.
538         * testsuite/thumb_blx_out_of_range.s: New file.
539
540 2010-03-22  Rafael Espindola  <espindola@google.com>
541
542         * archive.cc (Should_include): Move to archive.h.
543         (should_include_member): Make it a member of Archive.
544         (Lib_group): New.
545         (Add_lib_group_symbols): New.
546         * archive.h: Include options.h.
547         (Archive_member): Moved from Archive.
548         (Should_include): Moved from archive.cc.
549         (Lib_group): New.
550         (Add_lib_group_symbols): New.
551         * dynobj.cc (do_should_include_member): New.
552         * dynobj.h (do_should_include_member): New.
553         * gold.cc (queue_initial_tasks): Update call to queue.
554         * main.cc (main): Print lib group stats.
555         * object.cc (do_should_include_member): New.
556         * object.h: Include archive.h.
557         (Object::should_include_member): New.
558         (Object::do_should_include_member): New.
559         (Sized_relobj::do_should_include_member): New.
560         * options.cc (General_options::parse_start_lib): New.
561         (General_options::parse_end_lib): New.
562         (Input_arguments::add_file): Handle lib groups.
563         (Input_arguments::start_group): Check we are not in a lib.
564         (Input_arguments::start_lib): New.
565         (Input_arguments::end_lib): New.
566         * options.h (General_options): Add start_lib and end_lib.
567         (Input_argument::lib_): New.
568         (Input_argument::lib): New.
569         (Input_argument::is_lib): New.
570         (Input_file_lib): New.
571         (Input_arguments::in_lib_): New.
572         (Input_arguments::in_lib): New.
573         (Input_arguments::start_lib): New.
574         (Input_arguments::end_lib_): New.
575         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
576         in unused members as preempted.
577         (Sized_pluginobj::do_should_include_member): New.
578         * plugin.h (Sized_pluginobj::do_should_include_member): New.
579         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
580         return the blocker.
581         (Read_symbols::do_whole_lib_group): New.
582         (Read_symbols::do_lib_group): New.
583         (Read_symbols::do_read_symbols): Handle lib groups.
584         (Read_symbols::get_name): Handle lib groups.
585         * readsyms.h (Read_symbols): Add an archive member pointer.
586         (Read_symbols::do_whole_lib_group): New.
587         (Read_symbols::do_lib_group): New.
588         (Read_symbols::member_): New.
589         * script.cc (read_input_script): Update call to queue_soon.
590
591 2010-03-19  Doug Kwan  <dougkwan@google.com>
592
593         * arm.cc (Stub_table::Stub_table): Initialize new data members
594         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
595         (Stub_table::add_reloc_stub): Assign stub offset and update
596         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
597         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
598         New data members.
599         (Stub_table::update_data_size_and_addralign): Use
600         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
601         instead of going over all reloc stubs.
602         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
603         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
604         Stringpool_template::offset_ to size of Stringpool_char.
605         (Stringpool_template::new_key_offset): Remove code to initialize
606         Stringpool_template::offset_.
607         * stringpool.h (Stringpool_template::set_no_zero_null): Set
608         Stringpool_template::offset_ to zero.
609
610 2010-03-15  Doug Kwan  <dougkwan@google.com>
611
612         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
613         offset_.
614         (Stringpool_template::new_key_offset): New method.
615         (Stringpool_template::add_string): Assign offsets when adding new
616         strings.
617         (Stringpool_template::set_string_offsets): Do not set string offsets
618         when not optimizing.
619         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
620         member size_.
621         (Chunked_vector::clear): Clear size_.
622         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
623         (Chunked_vector::size): Return size_.
624         (Chunked_vector::push_back): Use size_ to find insert position.
625         (Chunked_vector::size_): New data member. 
626         (Stringpool_template::set_no_zero_null): Assert string set is empty.
627         (Stringpool_template::new_key_offset): New method declaration.
628         (Stringpool_template::offset_): New data member.
629
630 2010-03-15   Rafael Espindola  <espindola@google.com>
631
632         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
633         Add_symbols' constructor.
634         * readsyms.h (Add_symbols): Remove the input_group member.
635
636 2010-03-10  Ian Lance Taylor  <iant@google.com>
637
638         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
639         target to ask whether a reference to a symbol requires a stack
640         split.
641         * target.h (Target::is_call_to_non_split): New function.
642         (Target::do_is_call_to_non_split): Declare virtual function.
643         * target.cc: Include "symtab.h".
644         (Target::do_is_call_to_non_split): New function.
645         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
646
647 2010-03-10  Cary Coutant  <ccoutant@google.com>
648
649         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
650         (File_read::open[1]): Remove initial mapping of whole_file_view_.
651         (File_read::open[2]): Add whole_file_view_ to list of views.
652         (File_read::make_view): Remove test of whole_file_view_.
653         (File_read::find_or_make_view): Create whole_file_view_ if
654         necessary.
655         (File_read::clear_views): Replace bool parameter with enum;
656         adjust all callers.  Don't delete views with permanent data;
657         do delete cached views and views from archives if
658         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
659         if clearing the corresponding view.
660         * fileread.h (File_read::Clear_views_mode): New enum.
661         (File_read::View::is_permanent_view): New method.
662         (File_read::clear_views): Replace bool parameter
663         with enum; adjust all callers.
664         * options.h (General_options): Change keep_files_mapped option;
665         add map_whole_files.
666         * readsyms.cc (Add_symbols::run): Delete sd_ object before
667         releasing the file.
668         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
669         the file.
670
671 2010-03-10  David S. Miller  <davem@davemloft.net>
672
673         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
674
675 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
676
677         * icf.cc (get_section_contents): Add '@' marker after processing the
678         merge reloc.
679
680 2010-03-08  Doug Kwan  <dougkwan@google.com>
681
682         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
683         due to a conversion warning.
684         (Arm_relobj::update_output_local_symbol_count): Check for local
685         symbol with unset output index.
686
687 2010-03-05  Ian Lance Taylor  <iant@google.com>
688
689         * options.h (class General_options): Add --spare-dynamic-tags.
690         * output.cc (Output_data_dynamic::set_final_data_size): Implement
691         --spare-dynamic-tags.
692
693 2010-03-05  Ian Lance Taylor  <iant@google.com>
694
695         * incremental.cc: Include "libiberty.h".
696
697 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
698
699         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
700         function, is_info_ member.
701         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
702         (Versions::Versions): Update caller.
703         (Versions::define_base_version): Likewise.
704         (Versions::add_def): Likewise.
705
706 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
707
708         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
709         (Scan::possible_function_pointer_reloc): New function.
710         (Scan::local_reloc_may_be_function_pointer): Change to call
711         possible_function_pointer_reloc.
712         (Scan::global_reloc_may_be_function_pointer): Ditto.
713         * icf.h (Icf::check_section_for_function_pointers): Change to reject
714         relocations in ".data.rel.ro._ZTV" section.
715         * testsuite/icf_safe_so_test.sh: Change to pass i386.
716         * testsuite/icf_safe_so_test.cc: Ditto.
717         * testsuite/icf_safe_test.cc: Ditto.
718         * testsuite/icf_safe_test.sh: Ditto.
719
720 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
721             Ian Lance Taylor  <iant@google.com>
722
723         * target-reloc.h (relocate_section): Check the symbol table index
724         for -1U before setting the local symbol index.
725         (scan_relocatable_relocs): If copying the relocation, record that
726         the local symbol is required.
727         * object.h (Symbol_value::is_output_symtab_index_set): New
728         function.
729         (Symbol_value::may_be_discarded_from_output_symtab): New
730         function.
731         (Symbol_value::has_output_symtab_entry): New function.
732         (Symbol_value::needs_output_symtab_entry): Remove.
733         (Symbol_value::output_symtab_index): Make sure the symbol index is
734         set.
735         (Symbol_value::set_output_symtab_index): Make sure the symbol
736         index is not set.  Make sure the new index is valid.
737         (Symbol_value::set_must_have_output_symtab_entry): New function.
738         (Symbol_value::has_output_dynsym_entry): New function.
739         (Symbol_value::set_output_dynsym_index): Make sure the new index
740         is valid.
741         (Sized_relobj::set_must_have_output_symtab_entry): New function.
742         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
743         local symbol if permitted.
744         (Sized_relobj::do_finalize_local_symbols): Call
745         is_output_symtab_index_set rather than needs_output_symtab_entry.
746         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
747         rather than needs_output_symtab_entry.  Call
748         has_output_dynsym_entry rather than needs_output_dynsym_entry.
749         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
750         is_output_symtab_index_set rather than needs_output_symtab_entry.
751         * testsuite/discard_locals_relocatable_test.c: New file.
752         * testsuite/discard_locals_test.sh: Test -r.
753         * testsuite/Makefile.am (check_DATA): Add
754         discard_locals_relocatable_test1.syms,
755         discard_local_relocatable_test2.syms.
756         (MOSTLYCLEANFILES): Likewise.  Also add
757         discard_locals_relocatable_test1.lout and
758         discard_locals_relocatable_test2.out.
759         (discard_locals_relocatable_test1.syms): New target.
760         (discard_locals_relocatable_test.o): New target.
761         (discard_locals_relocatable_test1.out): New target.
762         (discard_locals_relocatable_test2.syms): New target.
763         (discard_locals_relocatable_test2.out): New target.
764         (various): Add missing ../ld-new dependencies.
765         * testsuite/Makefile.in: Rebuild.
766
767 2010-03-03  Nick Clifton  <nickc@redhat.com>
768
769         * po/fi.po: New Finnish translation.
770
771 2010-03-01  Doug Kwan  <dougkwan@google.com>
772
773         * layout.cc (Layout::Layout): Force section types of .init_array*,
774         .preinit_array* and .fini_array* sections.
775         * output.cc (Output_section::Input_section_sort_entry::has_priority):
776         Fix check of return value of std::string::find.().
777         (Output_section::Input_section_sort_compare::operator()): Remove
778         comment about .init_array.
779         (Output_section::Input_section_sort_init_fini_compare::operator()):
780         New method.
781         (Output_section::sort_attached_input_sections): Handle .init_array
782         and .fini_array specially.
783         * output.h (Output_section::Inut_section_sort_compare): Update
784         comment.
785         (Output_section::Input_section_sort_init_fini_compare): New struct.
786
787 2010-02-26  Doug Kwan  <dougkwan@google.com>
788
789         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
790         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
791         * testsuite/debug_msg.sh: Avoid matching source line number for
792         use of global variable undef_int.
793
794 2010-02-26  Doug Kwan  <dougkwan@google.com>
795
796         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
797         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
798         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
799         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
800         * options.cc (General_options::General_options): Initialize member
801         fix_v4bx_.
802         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
803         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
804         and rm_no_fix_v4bx.stdout
805         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
806         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
807         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
808         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
809         and arm_no_fix_v4bx.
810         * Makefile.in: Regenerate.
811         * testsuite/arm_fix_v4bx.s: New file.
812         * testsuite/arm_fix_v4bx.sh: Ditto.
813
814 2010-02-24  Doug Kwan  <dougkwan@google.com>
815
816         * arm.cc (Target_arm::got_section): Make the .got section the first
817         non RELRO section in the data segment.
818         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
819         suffixes of section names.
820
821 2010-02-24  Doug Kwan  <dougkwan@google.com>
822
823         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
824         flags and attributes merging if an input file is a binary file.
825         * fileread.cc (Input_file::open): Record format of original file.
826         * fileread.h (Input_file::Format): New enum type.
827         (Input_file::Input_file): Initialize data member format_.
828         (Input_file::format): New method definition.
829         (Input_file::format_):: New data member.
830
831 2010-02-24  Doug Kwan  <dougkwan@google.com>
832
833         * arm.cc (Arm_output_data_got): New class.
834         (ARM_TCB_SIZE): New constant
835         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
836         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
837         If user uses a script with a SECTIONS clause, issue only a warning
838         for a misplaced EXIDX input section.  Otherwise, issue an error.
839         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
840         garbage collection.
841         (Target_arm::got_mode_index_entry): Handle static linking.
842         (Target_arm::Scan::local): Ditto.
843         (Target_arm::Scan::global): Ditto.
844         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
845         all incorrectly implemented relocations.
846         (Target_arm::fix_exidx_coverage): Pass layout to 
847         Arm_output_section::fix_exidx_coverage.
848         * layout.cc (Layout::section_name_mapping): Remove trailing dots
849         from ".ARM.exidx." and ".ARM.extab.".
850
851 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
852
853         * arm.cc (Target_arm::do_finalize_sections): Create attribute
854         section if it does not already exist.
855         * attributes.cc (Attributes_section_data::Attributes_section_data):
856         Don't crash if size is zero.
857
858 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
859             Ian Lance Taylor  <iant@google.com>
860
861         * gold.cc (queue_middle_tasks): If no input files were opened,
862         exit.
863         * workqueue.h (Task_function::Task_function): Assert that there is
864         a blocker.
865
866 2010-02-22  Doug Kwan  <dougkwan@google.com>
867
868         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
869         * icf.cc (get_section_contents): Cast snprintf arguments to long long
870         types to avoid warnings due to different uint64_t implementations
871         on different hosts.
872
873 2010-02-21  Doug Kwan  <dougkwan@google.com>
874
875         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
876         handling of the maximum backward branch offset.
877         (Arm_relocate_functions::thumb_branch_common): Ditto.
878         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
879         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
880         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
881         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
882         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
883         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
884         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
885         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
886         thumb_bl_out_of_range thumb_bl_out_of_range.o,
887         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
888         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
889         thumb2_bl_out_of_range.o): New rules.
890         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
891         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
892         thumb2_bl_out_of_range
893         * testsuite/Makefile.in: Regenerate.
894         * testsuite/arm_bl_in_range.s: New file.
895         * testsuite/arm_bl_out_of_range.s: Ditto.
896         * testsuite/arm_branch_in_range.sh: Ditto.
897         * testsuite/arm_branch_range.t: Ditto.
898         * testsuite/thumb2_branch_range.t: Ditto.
899         * testsuite/thumb_bl_in_range.s: Ditto.
900         * testsuite/thumb_bl_out_of_range.s: Ditto.
901         * testsuite/thumb_branch_range.t: Ditto.
902
903 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
904
905         * gc.h (gc_process_relocs): Change vectors to point to the new list.
906         Add reloc offset information.
907         * icf.cc (get_section_contents): Change iterators to point to the new
908         vectors. Add reloc offset information to the contents.
909         * icf.h (Icf::Sections_reachable_info): New typedef.
910         (Icf::Sections_reachable_list): New typedef.
911         (Icf::Offset_info): New typedef.
912         (Icf::Reloc_info): New struct typedef.
913         (Icf::Reloc_info_list): New typedef.
914         (Icf::symbol_reloc_list): Delete method.
915         (Icf::addend_reloc_list): Delete method.
916         (Icf::section_reloc_list): Delete method.
917         (Icf::reloc_info_list): New method.
918         (Icf::reloc_info_list_): New member.
919
920 2010-02-19  Doug Kwan  <dougkwan@google.com>
921
922         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
923         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
924         * arm.cc (Arm_relocation_functions): New forward declaration.
925         (Target_arm::Target_arm): Initialize new data members
926         got_mod_index_offset_ and tls_base_symbol_defined_.
927         (Target_arm::Relocate::relocate_tls): New method.
928         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
929          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
930         New methods.
931         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
932         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
933         (Target_arm::got_mod_index_offset_,
934         Target_arm::tls_base_symbol_defined_): New data members.
935         (Target_arm::Scan::local, Target::Scan::global,
936         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
937         relocations.
938
939 2010-02-18  Doug Kwan  <dougkwan@google.com>
940
941         * arm.cc (Arm_relobj::find_linked_text_section): New method.
942         (Arm_relobj::make_exidx_input_section): Pass section index of linked
943         text section as a parameter becuase some broken tools may not set
944         the link in section header.
945         (Target_arm::has_got_section): New method.
946         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
947         without any mapping symbol as data only.  Remove warning.
948         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
949         link in its section header, try to discover the link by inspecting the
950         REL31 relocation at the beginning of the section.
951         (Target_arm::Scan::check_non_pic): Report name of offending relocation
952         in error message.
953         (Target_arm::Scan::global): Treat any reference to the symbol
954         _GLOBAL_OFFSET_TABLE_ as a GOT access.
955
956 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
957
958         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
959         (Scan::global_reloc_may_be_function_pointer): New function.
960         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
961         (Scan::global_reloc_may_be_function_pointer): New function.
962         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
963         (Scan::global_reloc_may_be_function_pointer): New function.
964         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
965         (Scan::global_reloc_may_be_function_pointer): New function.
966         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
967         (Scan::global_reloc_may_be_function_pointer): New function.
968         (Scan::possible_function_pointer_reloc): New function.
969         (Target_x86_64::can_check_for_function_pointers): New function.
970         * gc.h (gc_process_relocs): Scan relocation types to determine if
971         function pointers were taken for targets that support it.
972         * icf.cc (Icf::find_identical_sections): Include functions for
973         folding in safe ICF whose pointer is not taken.
974         * icf.h (Secn_fptr_taken_set): New typedef.
975         (fptr_section_id_): New member.
976         (section_has_function_pointers): New function.
977         (set_section_has_function_pointers): New function.
978         (check_section_for_function_pointers): New function.
979         * options.h: Fix comment for safe ICF option.
980         * target.h (can_check_for_function_pointers): New function.
981         * testsuite/Makefile.am: Add icf_safe_so_test test case.
982         Modify icf_safe_test for X86-64.
983         * testsuite/Makefile.in: Regenerate.
984         * testsuite/icf_safe_so_test.cc: New file.
985         * testsuite/icf_safe_so_test.sh: New file.
986         * testsuite/icf_safe_test.cc (kept_func_3): New function.
987         (main): Change to take pointer to function kept_func_3.
988         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
989         folding is done correctly for X86-64.
990
991 2010-02-12  David S. Miller  <davem@davemloft.net>
992
993         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
994         is_symbolless parameter.
995         (Output_reloc<SHT_REL>::is_symbolless): New.
996         (Output_reloc<SHT_REL>::is_symbolless_): New.
997         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
998         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
999         (Output_reloc<SHT_RELA>::is_symbolless): New.
1000         (Output_data_reloc::add_global): Handle is_symbolless.
1001         (Output_data_reloc::add_global_relative): Likewise.
1002         (Output_data_reloc::add_local): Likewise.
1003         (Output_data_reloc::add_local_relative): Likewise.
1004         (Output_data_reloc::add_symbolless_global_addend): New.
1005         (Output_data_reloc::add_symbolless_local_addend): New.
1006         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1007         is_symbolless.
1008         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1009         instead of ->is_relative_
1010         (Output_reloc::write): Likewise.
1011         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1012         (Output_reloc::write_rel): Simplify.
1013
1014         * sparc.cc (Target_sparc::Scan::local): Use
1015         ->add_symbolless_local_addend as needed.
1016         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1017         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1018         based upon relocation offset.
1019
1020 2010-02-11  Doug Kwan  <dougkwan@google.com>
1021
1022         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1023         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1024         beginning of function.
1025         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1026         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1027         parameter is_32bit in calls to should_apply_static_reloc.
1028         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1029         (check_DATA): Add arm_abs_global.stdout.
1030         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1031         arm_abs_global.stdout): New rules.
1032         (MOSTLLYCLEANFILES): Add arm_abs_global
1033         * Makefile.in: Regenerate.
1034         * testsuite/arm_abs_global.s: New file.
1035         * testsuite/arm_abs_global.sh: Ditto.
1036         * testsuite/arm_abs_lib.s: Ditto.
1037
1038 2010-02-11  Ian Lance Taylor  <iant@google.com>
1039
1040         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1041         Read_relocs task.
1042         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1043         Allocate_commons_task first.
1044         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1045         task, rather than symtab_lock_.
1046         (Gc_process_relocs::~Gc_process_relocs): New function.
1047         (Gc_process_relocs::is_runnable): Check this_blocker_.
1048         (Gc_process_relocs::locks): Use next_blocker_ rather than
1049         blocker_.
1050         (Scan_relocs::~Scan_relocs): New function.
1051         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1052         symtab_lock_.
1053         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1054         next_blocker_.
1055         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1056         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1057         constructor accordingly.
1058         (class Gc_process_relocs): Likewise.
1059         (class Scan_relocs): Likewise.
1060         * common.h (class Allocate_commons_task): Remove symtab_lock_
1061         field, and corresponding constructor parameter.
1062         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1063         symtab_lock_.
1064         (Allocate_commons_task::locks): Likewise.
1065
1066 2010-02-11  Ian Lance Taylor  <iant@google.com>
1067
1068         * gold-threads.h (class Once): Define.
1069         (class Initialize_lock): Rewrite as child of Once.
1070         * gold-threads.cc (class Once_initialize): Define.
1071         (once_pointer_control): New static variable.
1072         (once_pointer, once_arg): New static variables.
1073         (c_run_once): New static function.
1074         (Once::Once, Once::run_once, Once::internal_run): New functions.
1075         (class Initialize_lock_once): Remove.
1076         (initialize_lock_control): Remove.
1077         (initialize_lock_pointer): Remove.
1078         (initialize_lock_once): Remove.
1079         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1080         (Initialize_lock::initialize): Rewrite.
1081         (Initialize_lock::do_run_once): New function.
1082         * archive.cc (Archive::interpret_header): Only clear name if it is
1083         not already empty.
1084         * fileread.cc: Include "gold-threads.h"
1085         (file_counts_lock): New static variable.
1086         (file_counts_initialize_lock): Likewise.
1087         (File_read::release): Only increment counts when using --stats.
1088         Use a lock around the increment.
1089         * parameters.cc (class Set_parameters_target_once): Define.
1090         (set_parameters_target_once): New static variable.
1091         (Parameters::Parameters): Move here from parameters.h.
1092         (Parameters::set_target): Rewrite.
1093         (Parameters::set_target_once): New function.
1094         (Parameters::clear_target): Move here and rewrite.
1095         * parameters.h (class Parameters): Update declarations.  Add
1096         set_parameters_target_once_ field.
1097         (Parameters::Parameters): Move to parameters.cc.
1098         (Parameters::clear_target): Likewise.
1099         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1100         task.
1101         (Start_group::~Start_group): New function.
1102         (Start_group::is_runnable): New function.
1103         (Start_group::locks, Start_group::run): New functions.
1104         (Finish_group::run): Change saw_undefined to size_t.
1105         * readsyms.h (class Start_group): Define.
1106         (class Finish_group): Change saw_undefined_ field to size_t.
1107         (Finish_group::Finish_group): Remove saw_undefined and
1108         this_blocker parameters.  Change all callers.
1109         (Finish_group::set_saw_undefined): New function.
1110         (Finish_group::set_blocker): New function.
1111         * symtab.h (class Symbol_table): Change saw_undefined to return
1112         size_t.  Change saw_undefined_ field to size_t.
1113         * target-select.cc (Set_target_once::do_run_once): New function.
1114         (Target_selector::Target_selector): Initialize set_target_once_
1115         field.  Don't initialize lock_ and initialize_lock_ fields.
1116         (Target_selector::instantiate_target): Rewrite.
1117         (Target_selector::set_target): New function.
1118         * target-select.h (class Set_target_once): Define.
1119         (class Target_selector): Update declarations.  Make
1120         Set_target_once a friend.  Remove lock_ and initialize_lock_
1121         fields.  Add set_target_once_ field.
1122
1123 2010-02-10  Ian Lance Taylor  <iant@google.com>
1124
1125         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1126         queueing any tasks.
1127         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1128         (queue_middle_tasks): Add all blockers before queueing any tasks.
1129         (queue_final_tasks): Likewise.
1130         * token.h (Task_token::add_blockers): New function.
1131         * object.h (Input_objects::number_of_relobjs): New function.
1132
1133 2010-02-10  Ian Lance Taylor  <iant@google.com>
1134
1135         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1136         shared, not if not position independent.
1137         * x86_64.cc (Relocate::relocate_tls): Likewise.
1138         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1139         (tls_pie_pic_test): New target.
1140         * testsuite/Makefile.in: Rebuild.
1141
1142         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1143         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1144         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1145         * testsuite/Makefile.in: Rebuild.
1146
1147 2010-02-09  David S. Miller  <davem@davemloft.net>
1148
1149         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1150         R_SPARC_RELATIVE using ->add_local_relative().
1151         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1152
1153         * output.h (Output_data_dynamic::add_section_size): New method
1154         that takes two Output_data objects.
1155         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1156         entry param.  Handle it in initializers.
1157         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1158         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1159         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1160         arg.
1161         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1162         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1163         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1164         for dynrel_includes_plt.
1165         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1166         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1167         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1168         before .rela.plt
1169         (Target_sparc::do_finalize_sections): Update to pass true for
1170         dynrel_includes_plt.
1171         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1172         output before .rela.plt
1173         (Target_powerpc::do_finalize_sections): Update to pass true for
1174         dynrel_includes_plt when 32-bit.
1175
1176 2010-02-08  Doug Kwan  <dougkwan@google.com>
1177
1178         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1179         method.
1180         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1181         Arm_relobj::scan_section_for_cortex_a8_stubs,
1182         Arm_relobj::do_relocation_section): Instead of calling
1183         Output_section::output_address, use faster
1184         Arm_relobj::simple_input_section_output_address.
1185
1186 2010-02-08  David S. Miller  <davem@davemloft.net>
1187
1188         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1189         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1190         relocation helper function.
1191
1192         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1193         just like R_SPARC_GOT{10,13,22}.
1194         (Target_sparc::Scan::local): Likewise.
1195         (Target_sparc::Relocate:relocate): Likewise.
1196
1197 2010-02-06  Ian Lance Taylor  <iant@google.com>
1198
1199         * configure.ac: Rewrite targetobjs duplicate removal code to use
1200         only shell constructs.
1201         * configure: Rebuild.
1202
1203 2010-02-05  Doug Kwan  <dougkwan@google.com>
1204
1205         PR 11247
1206         * arm.cc (Arm_relobj::section_is_scannable): New method.
1207         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1208         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1209
1210 2010-02-04  Doug Kwan  <dougkwan@google.com>
1211
1212         PR 11247
1213         * arm-reloc-property.cc (cstdio): Include.
1214         * configure.ac (targetobjs): Remove duplicates.
1215         * configure: Regenerate.
1216         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1217         big and little endian version for a given address size.
1218
1219 2010-02-03  Doug Kwan  <dougkwan@google.com>
1220
1221         * arm-reloc-property.cc
1222         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1223         definition.
1224         * arm-reloc-property.h
1225         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1226         New method definition.
1227         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1228         declaration.
1229         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1230         overflow to N.
1231         (GOT_PREL): Change implemented to Y.
1232         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1233         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1234         (Arm_relocate_functions::movw_abs_nc): Remove method.
1235         (Arm_relocate_functions::movt_abs): Ditto.
1236         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1237         (Arm_relocate_functions::thm_movt_abs): Ditto.
1238         (Arm_relocate_functions::movw_rel_nc): Ditto.
1239         (Arm_relocate_functions::movw_rel): Ditto.
1240         (Arm_relocate_functions::movt_rel): Ditto.
1241         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1242         (Arm_relocate_functions:thm_movw_rel): Ditto.
1243         (Arm_relocate_functions:thm_movt_rel): Ditto.
1244         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1245         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1246         New method definitions.
1247         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1248         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1249         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1250         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1251         (Target_arm::Relocate::relocate): Check for non-static or
1252         unimplemented relocation code and exit early.  Change calls to
1253         Target_arm::reloc_uses_thumb_bit and
1254         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1255         instead.  Refactor code to handle similar relocations to increase
1256         code sharing.  Remove check for unsupported relocation code in switch
1257         statement.
1258         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1259         relocation property table to find out size.  Change error message to
1260         print out the name of a relocation code instead of the numeric value.
1261         (Target_arm::scan_reloc_for_stub): Use relocation property table
1262         instead of calling Target_arm::reloc_uses_thumb_bit().
1263
1264 2010-02-02  Doug Kwan  <dougkwan@google.com>
1265
1266         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1267         types of relaxed input section.
1268
1269 2010-02-02  Doug Kwan  <dougkwan@google.com>
1270
1271         * Makefile.am (HFILES): Add arm-reloc-property.h.
1272         (DEFFILES): New.
1273         (TARGETSOURCES): Add arm-reloc-property.cc
1274         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1275         (libgold_a_SOURCES): $(DEFFILES)
1276         * Makefile.in: Regenerate.
1277         * arm-reloc-property.cc: New file.
1278         * arm-reloc-property.h: New file.
1279         * arm-reloc.def: New file.
1280         * arm.cc: Update comments.
1281         (arm-reloc-property.h): New included header.
1282         (arm_reloc_property_table): New global variable.
1283         (Target_arm::do_select_as_default_target): New method definition.
1284         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1285         arm-reloc-property to targ_extra_obj.
1286         * parameters.cc (set_parameters_target): Call
1287         Target::select_as_default_target().
1288         * target.h (Target::select_as_default_target): New method definition.
1289         (Target::do_select_as_default_target): Same.
1290
1291 2010-02-01  Doug Kwan  <dougkwan@google.com>
1292
1293         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1294         first_output_text_section_.
1295         (Arm_exidx_fixup::first_output_text_section): New method definition.
1296         (Arm_exidx_fixup::first_output_text_section_): New data member.
1297         (Arm_exidx_fixup::process_exidx_section): Record the first text
1298         output section seen.
1299         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1300         and entsize in output section header.
1301
1302 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1303
1304         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1305         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1306         (Arm_relocate_functions::thm_alu11): New Method.
1307         (Arm_relocate_functions::thm_pc8): New Method.
1308         (Arm_relocate_functions::thm_pc12): New Method.
1309         (Target_arm::Scan::local): Handle the relocations.
1310         (Target_arm::Scan::global): Likewise.
1311         (Target_arm::Relocate::relocate): Likewise.
1312         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1313
1314 2010-01-29  Doug Kwan  <dougkwan@google.com>
1315
1316         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1317         of relocation types as ld.
1318
1319 2010-01-29  Doug Kwan  <dougkwan@google.com>
1320
1321         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1322         to public.
1323         (Arm_relocate_functions::thumb_branch_common): Ditto.
1324         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1325         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1326         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1327         Arm_relocate_functions::jump24): Remove.
1328         (Target_arm::Relocate::relocate): Adjust code to call
1329         Arm_relocation_functions::arm_branch_common and
1330         Arm_relocation_functions::thumb_branch_common instead of their removed
1331         wrappers.  Merge switch-cases together to reduce source code size.  
1332
1333 2010-01-29  Doug Kwan  <dougkwan@google.com>
1334
1335         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1336         output_local_symbol_count_needs_update_.
1337         (Arm_relobj::output_local_symbol_count_needs_update,
1338          Arm_relobj::set_output_local_symbol_count_needs_update,
1339          Arm_relobj::update_output_local_symbol_count): New methods.
1340         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1341         member.
1342         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1343         of pointed function as in a R_ARM_PREL31 relocation.
1344         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1345         for output local symbol count updating.
1346         (Target_arm::do_relax): Update output local symbol counts in objects
1347         if necessary.
1348         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1349
1350 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1351
1352         * arm.cc: Added support for the ARM relocations:
1353         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1354         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1355         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1356         movw_prel_nc).
1357         (Arm_relocate_functions::movw_rel): New method.
1358         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1359         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1360         thm_movw_prel_nc).
1361         (Arm_relocate_functions::thm_movw_rel): New method.
1362         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1363         thm_movt_prel).
1364         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1365         relocations.
1366         (Target_arm::Scan::global): Likewise.
1367         (Target_arm::Relocate::relocate): Likewise.
1368         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1369         Likewise.
1370
1371 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1372
1373         * arm.cc: Added support for ARM group relocations.
1374         (Target_arm::reloc_needs_sym_origin): New method.
1375         (Arm_relocate_functions::calc_grp_kn): New method.
1376         (Arm_relocate_functions::calc_grp_residual): New method.
1377         (Arm_relocate_functions::calc_grp_gn): New method.
1378         (Arm_relocate_functions::arm_grp_alu): New Method.
1379         (Arm_relocate_functions::arm_grp_ldr): New Method.
1380         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1381         (Arm_relocate_functions::arm_grp_ldc): New Method.
1382         (Target_arm::Scan::local): Handle the ARM group relocations.
1383         (Target_arm::Scan::global): Likewise.
1384         (Target_arm::Relocate::relocate): Likewise.
1385         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1386         Likewise.
1387
1388 2010-01-26  Doug Kwan  <dougkwan@google.com>
1389
1390         * arm.cc (set): Include.
1391         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1392         pointer type.
1393         (Arm_output_section::Text_section_list): New type.
1394         (Arm_output_section::append_text_sections_to_list): New method.
1395         (Arm_output_section::fix_exidx_coverage): Ditto.
1396         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1397         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1398         Relobj::set_section_offset() instead of
1399         Sized_relobj::invalidate_section_offset().
1400         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1401         parameter for section headers. Ignore relocation sections for
1402         unallocated sections and EXIDX sections.
1403         (Target_arm::fix_exidx_coverage): New method.
1404         (Target_arm::output_section_address_less_than): New type.
1405         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1406         linked text section instead of the EXIDX section.
1407         (Arm_output_section::create_stub_group): Add an assertion to check
1408         that this is not an EXIDX output section.
1409         (Arm_output_section::append_text_sections_to_list): New method.
1410         (Arm_output_section::fix_exidx_coverage): Ditto.
1411         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1412         Arm_relobj::section_needs_reloc_stub_scanning.
1413         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1414         first pass.
1415         (Target_arm::fix_exidx_coverage): New method.
1416         * object.h (Relobj::set_output_section): New method.
1417         (Sized_relobj::invalidate_section_offset): Remove method.
1418         (Sized_relobj::do_invalidate_section_offset): Remove method.
1419         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1420
1421 2010-01-25  Doug Kwan  <dougkwan@google.com>
1422
1423         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1424         Fix warning due to signed and unsigned comparison on a 32-bit host.
1425
1426 2010-01-22  Doug Kwan  <dougkwan@google.com>
1427
1428         * arm.cc (Target_arm::do_relax): Record an output section for section
1429         offset adjustment it contains any stub table that has changed.
1430         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1431         offsets in an output section if necessary.
1432         * output.cc (Output_section::Output_section): Initialize
1433         section_offsets_need_adjustments_.
1434         (Output_section::add_input_section_for_script): Renamed to
1435         Output_section::add_simple_input_section.
1436         (Output_section::save_states): Add a comment.
1437         (Output_section::discard_states): New method defintion.
1438         (Output_section::adjust_section_offsets): Same.
1439         * output.h (Output_section::add_input_section_for_script): Renamed to
1440         Output_section::add_simple_input_section.
1441         (Output_section::discard_states): New method declaration.
1442         (Output_section::adjust_section_offsets): Same.
1443         (Output_section::section_offsets_need_adjustment,
1444         Output_section::set_section_offsets_need_adjustment): New method
1445         definitions.
1446         (Output_section::section_offsets_need_adjustment_): New data member.
1447         * script-sections.cc
1448         (Output_section_element_input::set_section_address): Adjust code for
1449         renaming of Output_section::add_input_section_for_script.
1450         (Orphan_output_section::set_section_address): Same.
1451
1452 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1453
1454         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1455         Fix_v4bx enum values .
1456         * gold/options.h (General_options): New option definitions.
1457         (General_options::fix_v4bx): New method.
1458         (General_options::Fix_v4bx): New enum.
1459         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1460         (General_options::parse_fix_v4bx_interworking): New method.
1461
1462 2010-01-22  Doug Kwan  <dougkwan@google.com>
1463
1464         * arm.cc (Arm_exidx_fixup): New class.
1465
1466 2010-01-21  Doug Kwan  <dougkwan@google.com>
1467
1468         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1469         classes.
1470         (Arm_exidx_section_offset_map): New type.
1471
1472 2010-01-21  Doug Kwan  <dougkwan@google.com>
1473
1474         * arm.cc (Arm_exidx_input_section): New class.
1475         (Arm_relobj::exidx_input_section_by_link,
1476         Arm_relobj::exidx_input_section_by_shndx,
1477         Arm_relobj::make_exidx_input_section): New methods.
1478         (read_arm_attributes_section): Remove.
1479         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1480         information about them.
1481         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1482         to here.
1483
1484 2010-01-20  Doug Kwan  <dougkwan@google.com>
1485
1486         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1487         Input_section_specifier to Section_id.
1488         (Target_arm::new_arm_input_section: Adjust code for change of key
1489         type.
1490         (Target_arm::find_arm_input_section): Ditto.
1491         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1492         (Section_id): Remove.
1493         (Garbage_collection::Section_id_hash): Remove.
1494         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1495         (Section_id): Remove.
1496         (Icf::Section_id_hash): Remove.
1497         * object.h (Section_id, Const_section_id, Section_id_hash,
1498         Const_section_id_hash): New type definitions.
1499         * output.cc (Output_section::add_relaxed_input_section): Change to
1500         use Const_section_id instead of Input_section_specifier as key type.
1501         (Output_section::add_merge_input_section): Ditto.
1502         (Output_section::build_relaxation_map): Change to use Section_id
1503         instead of Input_section_specifier as key type.
1504         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1505         Ditto.
1506         (Output_section::convert_input_sections_to_relaxed_sections): Change
1507         to use Const_section_id instead of Input_section_specifier as key type.
1508         (Output_section::find_merge_section): Ditto.
1509         (Output_section::find_relaxed_input_section): Ditto.
1510         * output.h (Input_section_specifier): Remove class.
1511         (Output_section::Output_section_data_by_input_section_map): Change
1512         key type to Const_section_id.
1513         (Output_section::Output_relaxed_input_section_by_input_section_map):
1514         Ditto.
1515         (Output_section::Relaxation_map): Change key type to Section_id.
1516
1517 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1518
1519         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1520         (class Arm_v4bx_stub): New class.
1521         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1522         (Stub_factory::make_arm_v4bx_stub): New method.
1523         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1524         (Stub_table::empty): Handle v4bx stubs.
1525         (Stub_table::add_arm_v4bx_stub): New method.
1526         (Stub_table::find_arm_v4bx_stub): New method.
1527         (Arm_relocate_functions::v4bx): New method.
1528         (Target_arm::fix_v4bx): New method.
1529         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1530         (Stub_table::relocate_stubs): Likewise.
1531         (Stub_table::do_write): Likewise.
1532         (Stub_table::update_data_size_and_addralign): Likewise.
1533         (Stub_table::finalize_stubs):  Likewise.
1534         (Target_arm::Scan::local): Likewise.
1535         (Target_arm::Scan::global): Likewise.
1536         (Target_arm::do_finalize_sections): Likewise.
1537         (Target_arm::Relocate::relocate): Likewise.
1538         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1539         Likewise.
1540         (Target_arm::scan_reloc_for_stub): Likewise.
1541         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1542
1543 2010-01-19  Ian Lance Taylor  <iant@google.com>
1544
1545         * output.cc (Output_section_headers::do_sized_write): Write large
1546         segment count to sh_info field.
1547         (Output_file_header::do_sized_write): For large segment count,
1548         write PN_XNUM to e_phnum field.
1549
1550 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1551
1552         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1553         (Arm_relocate_functions::thm_jump8): New function.
1554         (Arm_relocate_functions::thm_jump11): New function.
1555         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1556         R_ARM_THM_JUMP11.
1557         (Target_arm::Scan::global): Likewise.
1558         (Target_arm::Relocate::relocate): Likewise.
1559         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1560         Likewise.
1561
1562 2010-01-14  Doug Kwan  <dougkwan@google.com>
1563
1564         * arm.cc (map, utility): Include headers.
1565         (Target_arm::apply_cortex_a8_workaround): New method.
1566         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1567         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1568         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1569         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1570         the --[no-]fix-cortex-a8 command line options.
1571         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1572         (Target_arm::relocate_stub): Use addend in instruction template.
1573         * options.h (DEFINE_bool): Set the user-set flag.
1574         (General_options): Add --[no-]-fix-cortex options.
1575         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1576         : Update fast look-up map after conversion. 
1577
1578 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1579
1580         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1581         in the first pass of do_layout.
1582
1583 2010-01-13  Doug Kwan  <dougkwan@google.com>
1584
1585         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1586         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1587         apparent compiler problem of not folding static constant integral
1588         data members of elfcpp::Elf_sizes<32>.
1589
1590 2010-01-13  Doug Kwan  <dougkwan@google.com>
1591
1592         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1593         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1594         Arm_relobj::scan_section_for_cortex_a8_erratum,
1595         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1596         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1597         sections to scan for relocation stubs into a new method
1598         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1599         relocation and Cortex-A8 stub scanning.
1600         (Target_arm::do_relax): Force stubs to be after stubbed sections
1601         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1602         the beginning of a new relaxation pass.  Update a comment. 
1603         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1604
1605 2010-01-12  Ian Lance Taylor  <iant@google.com>
1606
1607         * target-reloc.h (visibility_error): New inline function.
1608         (relocate_section): Call visibility_error.
1609         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1610         (MOSTLYCLEANFILES): Likewise.
1611         (protected_4_pic.o, protected_3.err): New targets.
1612         * testsuite/protected_4.cc: New file.
1613
1614 2010-01-12  Doug Kwan  <dougkwan@google.com>
1615
1616         * arm.cc (Cortex_a8_reloc): New class.
1617         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1618         and cortex_a8_relocs_info_.
1619         (Target_arm::fix_cortex_a8): New method definition.
1620         (Target_arm::Cortex_a8_relocs_info): New type.
1621         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1622         New data member declarations.
1623         (Target_arm::scan_reloc_for_stub): Record information about
1624         relocations for THUMB branches that might be exempted from the
1625         Cortex-A8 workaround.
1626         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1627         at the beginning of a relaxation pass.
1628
1629 2010-01-12  Doug Kwan  <dougkwan@google.com>
1630
1631         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1632         (Arm_relobj::Mapping_symbol_position,
1633          Arm_reloj::Mapping_symbol_position_less,
1634          Arm_relobj::Mapping_symbols_info): New types.
1635         (Target_arm::is_mapping_symbol_name): New method definition.
1636         (Arm_relobj::do_count_local_symbols): Save information about mapping
1637         symbols.
1638
1639 2010-01-11  Doug Kwan  <dougkwan@google.com>
1640
1641         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1642         Arm_relocate_functions::thumb32_branch_upper,
1643         Arm_relocate_functions::thumb32_branch_lower,
1644         Arm_relocate_functions::thumb32_cond_branch_offset,
1645         Arm_relocate_functions::thumb32_cond_branch_upper,
1646         Arm_relocate_functions::thumb32_cond_branch_lower,
1647         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1648         branch offset encoding.
1649         (Arm_relocate_functions::thumb_branch_common): Use new branch
1650         offset encoding methods to avoid code duplication.
1651         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1652         (Stub_addend_reader::operator()): Use new branch encoding method
1653         to avoid code duplication.
1654
1655 2010-01-11  Doug Kwan  <dougkwan@google.com>
1656
1657         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1658         (Target_arm::do_finalize_sections): Define special EXIDX section
1659         symbols only if referenced.
1660         * gc.h (Garbage_collection::add_reference): New method.
1661         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1662         code duplication.
1663
1664 2010-01-11  Ian Lance Taylor  <iant@google.com>
1665
1666         * script.cc (Version_script_info::build_expression_list_lookup):
1667         Change complaing about duplicate wildcard match from error to
1668         warning.
1669
1670         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1671         of 2009-12-30.
1672         (Version_script_info::Version_script_info): Initialize globs_,
1673         default_version_, default_is_global_, and exact_.  Don't
1674         initialize globals_ or locals_.
1675         (Version_script_info::build_lookup_tables): Build local symbols
1676         first.
1677         (Version_script_info::unquote): New function.
1678         (Version_script_info::add_exact_match): New function.
1679         (Version_script_info::build_expression_list_lookup): Remove lookup
1680         parameter.  Add is_global parameter.  Change all callers.  Handle
1681         wildcard pattern specially.  Unquote pattern.  Call
1682         add_exact_match.
1683         (Version_script_info::get_name_to_match): New function.
1684         (Version_script_info::get_symbol_version): New function.
1685         (Version_script_info::get_symbol_version_helper): Remove.
1686         (Version_script_info::check_unmatched_names): Call unquote.
1687         * script.h (class Version_script_info): Change get_symbol_version
1688         to be non-inline and add is_global parameter; change all callers.
1689         Rewrite symbol_is_local.  Update declarations.  Define struct
1690         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1691         Remove globals_ and locals_ members.  Add exact_, globs_,
1692         default_version_, is_global_.
1693         (Version_script_info::Glob): Remove pattern, add expression and
1694         is_global.  Update constructor.  Change all callers.
1695         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1696         default version.
1697         (Versions::symbol_section_contents): If a symbol is undefined, or
1698         defined in a dynamic object, set the version index to
1699         VER_NDX_LOCAL.
1700         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1701         symbol_is_local.
1702         (Symbol_table::add_from_pluginobj): Likewise.
1703         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1704
1705 2010-01-11  Doug Kwan  <dougkwan@google.com>
1706
1707         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1708         (incremental_dump_LDADD): Add linking option for libintl.
1709         * Makefile.in: Regenerate.
1710
1711 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1712
1713         PR gold/11144
1714         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1715         instead of -Ds.
1716         * testsuite/Makefile.in: Regenerated.
1717
1718 2010-01-10  Doug Kwan  <dougkwan@google.com>
1719
1720         * options.h (DEFINE_var): Use parentheses around argument varname__
1721         in macro body to avoid any unintended subsequent substitutions.
1722
1723 2010-01-10  Ian Lance Taylor  <iant@google.com>
1724
1725         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1726         candidates before doing symbol resolution.
1727
1728         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1729         ODR candidates if only one is weak.
1730
1731 2010-01-08  Ian Lance Taylor  <iant@google.com>
1732
1733         * script.cc (Version_script_info::build_expression_list_lookup):
1734         Don't warn about ambiguous version, just record the ambiguity.
1735         (Version_script_info::get_symbol_version_helper): Give error if
1736         version is ambiguous.
1737
1738 2010-01-08  Doug Kwan  <dougkwan@google.com>
1739
1740         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1741           prev_data_size_ and prev_addralign_.  Remove initializer for
1742           deleted data member has_been_changed_.
1743           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1744           to determine if the table is empty.
1745           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1746           Remove.
1747           (Stub_table::add_reloc_stub): Define method in class definition
1748           instead of just declaring it there.
1749           (Stub_table::add_cortex_a8_stub): New method definition.
1750           (Stub_table::update_data_size_and_addralign): Ditto.
1751           (Stub_table::finalize_stubs): Ditto.
1752           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1753           (Stub_table::do_addralign_): Return address alignment in the
1754           (Stub_table::do_reset_address_and_file_offset): Define method in
1755           class definition instead of declaring it there.  Set current data
1756           size to be the data size of the previous pass.
1757           (Stub_table::set_final_data_size): Use current data size as the
1758           final data size.
1759           (Stub_table::relocate_stub): Change parameter type of stub from
1760           Reloc_stub pointer to Stub pointer.
1761           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1762           (Stub_table::Cortex_a8_stub_list): New typedef.
1763           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1764            Stub_table::prev_addralign_): New data member.
1765           (Arm_relobj::Arm_relobj): Initialize data member
1766           section_has_cortex_a8_workaround_.
1767           (Arm_relobj::section_has_cortex_a8_workaround,
1768            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1769            definitions.
1770           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1771           declarations.
1772           (Target_arm::relocate_stub): Change parameter type of stub from
1773           Reloc_stub pointer to Stub pointer.
1774           (Insn_template::size, Insn_template::alignment): Handle
1775           THUMB16_SPECIAL_TYPE.
1776           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1777            Stub_table::update_data_size_and_addralign,
1778            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1779           definitions.
1780           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1781           (Stub_table::do_write): Ditto.
1782           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1783
1784 2010-01-08  Ian Lance Taylor  <iant@google.com>
1785
1786         PR 11108
1787         * symtab.h (class Symbol): Remove fields is_target_special_ and
1788         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1789         (Symbol::is_defined_in_discarded_section): New function.
1790         (Symbol::set_is_defined_in_discarded_section): New function.
1791         (Symbol::has_plt_offset): Rewrite.
1792         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1793         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1794         Don't initialize is_target_special_ or has_plt_offset_.
1795         Initialize is_defined_in_discarded_section_.
1796         (Symbol_table::add_from_relobj): If appropriate, set
1797         is_defined_in_discarded_section.
1798         * resolve.cc (Symbol::override_base_with_special): Don't test
1799         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1800         * target-reloc.h (relocate_section): Do special handling for
1801         symbols defined in discarded sections for global symbols as well
1802         as local symbols.
1803
1804 2010-01-08  Ian Lance Taylor  <iant@google.com>
1805
1806         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1807         the SHT_SYMTAB case.
1808
1809 2010-01-08  Ian Lance Taylor  <iant@google.com>
1810
1811         * object.cc (Sized_relobj::do_layout): Don't get confused if
1812         layout_eh_frame returns NULL.
1813
1814 2010-01-08  Ian Lance Taylor  <iant@google.com>
1815
1816         PR 11084
1817         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1818         dynamic symbol table, use the normal symbol table.
1819         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1820         symbol table.
1821
1822 2010-01-08  Ian Lance Taylor  <iant@google.com>
1823
1824         PR 11072
1825         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1826         sections.
1827
1828 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1829
1830         * version.cc (print_version): Change to "Copyright 2010".
1831
1832 2010-01-08  Ian Lance Taylor  <iant@google.com>
1833
1834         PR 10287
1835         PR 11063
1836         * i386.cc (class Target_i386): Change return type of plt_section
1837         to be non-const.
1838         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1839         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1840         tls_desc_rel_ field.
1841         (Output_data_plt_i386::rel_tls_desc): New function.
1842         (Target_i386::rel_tls_desc_section): New function.
1843         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1844         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1845         R_386_TLS_DESC reloc in rel_tls_desc_section.
1846         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1847         Define struct Tlsdesc_info.
1848         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1849         (Target_x86_64::do_reloc_symbol_index): New function.
1850         (Target_x86_64::add_tlsdesc_info): New function.
1851         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1852         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1853         tlsdesc_rel_ field.
1854         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1855         all callers.
1856         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1857         (Target_x86_64::rela_tlsdesc_section): New function.
1858         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1859         handling.
1860         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1861         (Target_x86_64::do_reloc_addend): New function.
1862         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1863         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1864         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1865         (Output_reloc::type): New function.
1866         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1867         (Output_reloc::is_target_specific): New function.
1868         (Output_reloc::target_arg): New function.
1869         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1870         absolute relocs and target specific relocs.
1871         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1872         add_target_specific.
1873         (class Output_data_reloc) [SHT_RELA]: Likewise.
1874         * output.cc (Output_reloc::Output_reloc): Add four new versions
1875         for absolute relocs and target specific relocs.
1876         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1877         (Output_reloc::get_symbol_index): Likewise.
1878         (Output_reloc::local_section_offset): Check that local_sym_index_
1879         is not TARGET_CODE or 0.
1880         (Output_reloc::symbol_value): Likewise.
1881         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1882         reloc.
1883         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1884         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1885         functions.
1886         * layout.cc (add_target_dynamic_tags): Use output section for
1887         DT_PLTRELSZ and DT_JMPREL.
1888
1889 2010-01-07  Ian Lance Taylor  <iant@google.com>
1890
1891         PR 11061
1892         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1893         function.
1894         (class Output_data_reloc_generic): Define.
1895         (class Output_data_reloc_base): Change base class to
1896         Output_data_reloc_generic.  Change add() method to call
1897         bump_relative_reloc_count for a relative reloc.  Remove
1898         sort_relocs_ field.
1899         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1900         to sort_relocs().
1901         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1902         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1903         appropriate.
1904         * layout.h (class Layout): Update declaration.
1905
1906 2010-01-07  Ian Lance Taylor  <iant@google.com>
1907
1908         * output.h (class Output_data): Add const version of
1909         output_section and do_output_section.
1910         (class Output_section_data): Add const version of
1911         do_output_section.
1912         (class Output_section): Likewise.
1913         * layout.cc (Layout::add_target_dynamic_tags): New function.
1914         * layout.h (class Layout): Update declarations.
1915         * arm.cc (Target_arm::do_finalize_sections): Use
1916         add_target_dynamic_tags.
1917         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1918         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1919         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1920         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1921
1922 2010-01-07  Ian Lance Taylor  <iant@google.com>
1923
1924         PR 11042
1925         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1926         object as needed.
1927
1928 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1929             Ian Lance Taylor  <iant@google.com>
1930
1931         PR 11019
1932         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1933         Xindex::read_symtab_xindex.
1934
1935 2010-01-07  Doug Kwan  <dougkwan@google.com>
1936
1937         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1938         (Insn_template::thumb16_bcond_insn): New method declaration.
1939         (Insn_template): Fix spelling.
1940         (Stub::thumb16_special): New method declaration.
1941         (Stub::do_write): Define virtual method which was previously pure
1942         virtual.
1943         (Stub::do_thumb16_special): New method declaration.
1944         (Stub::do_fixed_endian_write): New template member.
1945         (Reloc_stub::do_write): Remove.
1946         (Reloc_stub::do_fixed_endian_write): Remove.
1947         (Cortex_a8_stub): New class definition.
1948         (Stub_factory::make_cortex_a8_stub): New method definition.
1949         (Stub_factory::Stub_factory): Add missing static storage class
1950         qualifier for elf32_arm_stub_a8_veneer_blx.
1951
1952 2010-01-07  Ian Lance Taylor  <iant@google.com>
1953
1954         PR 10980
1955         * options.h (class General_options): Add --warn-unresolved-symbols
1956         and --error-unresolved-symbols.
1957         * errors.cc (Errors::undefined_symbol): Implement
1958         --warn-unresolved-symbols.
1959
1960         * options.h (class General_options): Add -z text and -z textoff.
1961         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1962
1963 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1964
1965         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1966         (Garbage_collection::cident_sections): New function.
1967         (Garbage_collection::add_cident_section): New function.
1968         (Garbage_collection::cident_sections_): New member.
1969         (gc_process_relocs): Add references to sections whose names are C
1970         identifiers.
1971         * gold.h (cident_section_start_prefix): New constant.
1972         (cident_section_stop_prefix): New constant.
1973         (is_cident): New function.
1974         * layout.cc (Layout::define_section_symbols): Replace string constants
1975         with the newly defined constants.
1976         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1977         C identifiers.
1978         * testsuite/Makefile.am: Add gc_orphan_section_test.
1979         * testsuite/Makefile.in: Regenerate.
1980         * testsuite/gc_orphan_section_test.cc: New file.
1981         * testsuite/gc_orphan_section_test.sh: New file.
1982
1983 2010-01-06  Ian Lance Taylor  <iant@google.com>
1984
1985         PR 10980
1986         * options.h (class General_options): Add --warn-shared-textrel.
1987         * layout.cc (Layout::finish_dynamic_section): Implement
1988         --warn-shared-textrel.
1989
1990         PR 10980
1991         * options.h (class General_options): Add --warn-multiple-gp.
1992
1993 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1994
1995         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1996         $(THREADSLIB) and $(LIBDL).
1997         * Makefile.in: Rebuild.
1998
1999 2010-01-06  Ian Lance Taylor  <iant@google.com>
2000
2001         PR 10980
2002         * options.cc (General_options::parse_section_start): New function.
2003         (General_options::section_start): New function.
2004         (General_options::General_options): Initialize all members.
2005         * options.h: Include <map>
2006         (class General_options): Add --section-start.  Add section_starts_
2007         member.
2008         * layout.cc (Layout::attach_allocated_section_to_segment): If
2009         --section-start was used, set the address of the segment.  Remove
2010         local sort_sections.
2011         (Layout::relaxation_loop_body): If the address of the load segment
2012         has been set by --section-start, don't use it.
2013         * output.h (Output_segment::update_flags_for_output_section): New
2014         function.
2015         * output.cc (Output_segment::add_output_section): Call
2016         update_flags_for_output_section.
2017
2018 2010-01-05  Ian Lance Taylor  <iant@google.com>
2019
2020         PR 10980
2021         * options.h (class General_options): Add --undefined-version.
2022         * script.cc (struct Version_expression): Add was_matched_by_symbol
2023         field.
2024         (Version_script_info::matched_symbol): New function.
2025         (Version_script_info::get_symbol_version_helper): Call
2026         matched_symbol.
2027         (Version_script_info::check_unmatched_names): New function.
2028         * script.h (class Version_script_info): Update declarations.
2029         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2030
2031         * options.h (class General_options): Use DEFINE_bool_alias for
2032         allow_multiple_definition.
2033         * resolve.cc (Symbol_table::should_override): Don't test
2034         allow_multiple_definition.
2035
2036         PR 10980
2037         * options.h (class General_options): Add --cref.
2038         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2039         until after printing cref table.
2040         * cref.cc: Include "symtab.h".
2041         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2042         (Cref_table_compare::operator()): New function.
2043         (Cref_inputs::gather_cref): New function.
2044         (filecol): New static const.
2045         (Cref_inputs::print_cref): New function.
2046         (Cref::print_cref): New function.
2047         * cref.h: Include <cstdio>.
2048         (class Cref): Update declarations.
2049         * mapfile.h (Mapfile::file): New function.
2050         * object.h (class Object): Define Symbols.  Declare virtual
2051         do_get_global_symbols.
2052         (Object::get_global_symbols): New function.
2053         * object.cc (Input_objects::add_object): Pass object to cref_ if
2054         --cref.
2055         (Input_objects::archive_start): Likewise.
2056         (Input_objects::archive_stop): Likewise.
2057         (Input_objects::print_cref): New function.
2058         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2059         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2060         --cref.
2061         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2062         function.
2063         * plugin.h (class Sized_pluginobj): Update declarations.
2064
2065 2010-01-05  Ian Lance Taylor  <iant@google.com>
2066
2067         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2068         to is_default_version.  Rename insdef to insdefault.
2069         (Symbol_table::add_from_relobj): Rename def to is_default_version
2070         and local to is_forced_local.
2071         (Symbol_table::add_from_pluginobj): Likewise.
2072         (Symbol_table::add_from_dynobj): Likewise.
2073         (Symbol_table::define_special_symbol): Rename insdef to
2074         insdefault.
2075
2076 2010-01-04  Ian Lance Taylor  <iant@google.com>
2077
2078         PR 10980
2079         * options.h (class General_options): Add
2080         --allow-multiple-definition and -z muldefs.
2081         * resolve.cc (Symbol_table::should_override): Don't warn about a
2082         multiple symbol definition if --allow-multiple-definition or -z
2083         muldefs.
2084
2085         PR 10980
2086         * options.h (class General_options): Add --add-needed and
2087         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2088         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2089         error if --copy-dt-needed-entries aka --add-needed is used and
2090         would cause a change in behaviour.
2091
2092         PR 10980
2093         * options.h (class General_options): Add -G as a short version of
2094         --shared.  Add no-op options -assert, -g, and -i.
2095
2096 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2097
2098         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2099         check for .text or .gnu.linkonce.t sections.
2100         * icf.cc (Icf::find_identical_sections): Ditto.
2101         Change the detection for mangled function name within the section
2102         name.
2103         * icf.h (is_section_foldable_candidate): New function.
2104
2105 2009-12-30  Ian Lance Taylor  <iant@google.com>
2106
2107         PR 10980
2108         * options.h (class General_options): Permit two dashes with
2109         --retain-symbols-file.
2110
2111 2009-12-30  Ian Lance Taylor  <iant@google.com>
2112
2113         PR 10979
2114         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2115         don't put the file header and segment headers in the text
2116         segment.
2117
2118         PR 10979
2119         * common.cc (Sort_commons::operator()): Stabilize sort when both
2120         entries are NULL.
2121         (Symbol_table::do_allocate_commons_list): When allocating common
2122         symbols, skip a symbol which is no longer common.
2123         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2124         an object before checking its type.
2125         * testsuite/common_test_2.c: New file.
2126         * testsuite/common_test_3.c: New file.
2127         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2128         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2129         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2130         (common_test_2_pic.o, common_test_2.so): New targets.
2131         (common_test_3_pic.o, common_test_3.so): New targets.
2132         * testsuite/Makefile.in: Rebuild.
2133
2134         PR 10979
2135         * script.cc (read_input_script): If we see a new SECTIONS clause,
2136         and we have added an input section, give an error.
2137         * layout.h (class Layout): Add have_added_input_section function.
2138         Add have_added_input_section_ field.
2139         * layout.cc (Layout::Layout): Initialize
2140         have_added_input_section_.
2141         (Layout::layout): Set have_added_input_section_.
2142         (Layout::layout_eh_frame): Likewise.
2143
2144 2009-12-30  Ian Lance Taylor  <iant@google.com>
2145
2146         PR 10931
2147         * options.h (class General_options): Add --sort-common option.
2148         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2149         * common.cc (Sort_common): Add sort_order parameter to
2150         constructor.  Add sort_order_ field.
2151         (Sort_commons::operator): Check sort_order_.
2152         (Symbol_table::allocate_commons): Determine the sort order.
2153         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2154         Change all callers.
2155         (Symbol_table::do_allocate_commons_list): Likewise.
2156
2157 2009-12-30  Ian Lance Taylor  <iant@google.com>
2158
2159         PR 10916
2160         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2161         symbols from this object, don't change the visibility of an
2162         undefined symbol.
2163         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2164
2165 2009-12-30  Ian Lance Taylor  <iant@google.com>
2166
2167         PR 10861
2168         * script.h (class Version_script_info): Define Language enum.
2169         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2170         new fields globals_, locals_, and is_finalized_.
2171         * script.cc: Various formatting fixes.
2172         (class Parser_closure): Change language_stack_ from a vector of
2173         std::string to one of Version_script_info::Language.  Adjust all
2174         uses accordingly.
2175         (class Lazy_demangler): Remove.
2176         (struct Version_expression): Change language from std::string to
2177         Version_script_info::Language.
2178         (Version_script_info::Version_script_info): New function.
2179         (Version_script_info::~Version_script_info): Don't call clear.
2180         (Version_script_info::finalize): New function.
2181         (Version_script_info::build_lookup_tables): New function.
2182         (Version_script_info::build_expression_list_lookup): New
2183         function.
2184         (Version_script_info::get_symbol_version_helper): Rewrite to use
2185         lookup tables.
2186         (Version_script_info::print_expression_list): Adjust to use
2187         Version_script_info::Language.
2188         (script_push_lex_into_version_mode): Check that the version script
2189         has not been finalized.
2190         (version_script_push_lang): Change language string to
2191         Version_script_info::Language.
2192         * options.cc (Command_line::version_script): New function.
2193         * options.h (class General_options): Add finalize_dynamic_list
2194         function.  Change version_script from declaration to definition.
2195         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2196         * testsuite/version_script.map: Remove duplicate def of foo.
2197         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2198         version_script.map.
2199         * testsuite/Makefile.in: Rebuild.
2200
2201 2009-12-30  Ian Lance Taylor  <iant@google.com>
2202
2203         PR 10843
2204         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2205         if the input symbol index is 0, make the output symbol index 0.
2206
2207 2009-12-30  Ian Lance Taylor  <iant@google.com>
2208
2209         PR 10670
2210         * options.h (class General_options): Add -x/--discard-all.
2211         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2212         --discard-all.  If the local symbol needs a dynamic entry, check
2213         that before handling --discard-locals.
2214
2215 2009-12-30  Ian Lance Taylor  <iant@google.com>
2216
2217         PR 10450
2218         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2219         flags to PF_R.
2220         (Output_segment::add_output_section): Don't change the flags if
2221         the type is PT_TLS.
2222
2223         PR 10450
2224         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2225         GNU hash table if they need a dynamic value.  Otherwise, don't add
2226         them if they are defined in a dynamic object or are forced local.
2227
2228 2009-12-29  Ian Lance Taylor  <iant@google.com>
2229
2230         PR 10450
2231         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2232         .gnu.hash table for a 32-bit target.
2233
2234         PR 10450
2235         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2236         regular and a dynamic object only needs a dynamic symbol table
2237         entry if it is externally visible.
2238
2239         PR 10450
2240         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2241         constructor.  Add global_offset_table_ field.
2242         (Target_i386::got_section): Set global_offset_table_.
2243         (Target_i386::do_finalize_sections): Set global_offset_table_
2244         size.
2245         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2246         in constructor.  Add global_offset_table_ field.
2247         (Target_x86_64::got_section): Set global_offset_table_.
2248         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2249         size.
2250
2251         * layout.cc (Layout::Layout): Initialize increase_relro_.
2252         (Layout::get_output_section): Add is_relro, is_last_relro, and
2253         is_first_non_relro parameters.  Change all callers.
2254         (Layout::choose_output_section): Likewise.
2255         (Layout::add_output_section_data): Likewise.
2256         (Layout::make_output_section): Likewise.
2257         (Layout::set_segment_offsets): Clear increase_relro when using a
2258         linker script.
2259         * layout.h (class Layout): Add increase_relro method.  Add
2260         increase_relro_ field.  Update declarations.
2261         * output.cc (Output_section::Output_section): Initialize
2262         is_last_relro_ and is_first_non_relro_.
2263         (Output_segment::add_output_section): Group relro sections is
2264         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2265         (Output_segment::maximum_alignment): Remove relro handling.
2266         (Output_segment::set_section_addresses): Add increase_relro
2267         parameter.  Change all callers.  Add initial alignment to align
2268         relro sections on separate page.  Remove old relro handling.
2269         (Output_segment::set_section_list_addresses): Remove in_relro
2270         parameter.  Change all callers.
2271         (Output_segment::set_offset): Add increase parameter.  Change all
2272         callers.  Remove old relro handling.
2273         * output.h (class Output_section): Add new methods: is_last_relro,
2274         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2275         Add is_last_relro_ and is_first_non_relro_ fields.
2276         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2277         Create separate .got.plt section.  Call increase_relro.
2278         * x86_64.cc (Target_x86_64::got_section): Likewise.
2279         * testsuite/relro_script_test.t: Add .got.plt.
2280
2281         PR 10450
2282         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2283         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2284         (Layout::finalize): Call set_dynamic_symbol_size.
2285         (Layout::set_dynamic_symbol_size): New function.
2286         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2287         set_dynamic_symbol_size.
2288
2289         PR 10450
2290         * output.h (class Output_section): Add is_entsize_zero_ field.
2291         * output.cc (Output_section::Output_section): Initialize
2292         is_entsize_zero_.
2293         (Output_section::set_entsize): If two different entsizes are
2294         requested, force it to zero.
2295         (Output_section::add_input_section): Set flags for .debug_str
2296         before updating section flags.  Set entsize.
2297         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2298         and SHF_STRING if all input sections have those flags.
2299
2300 2009-12-29   Rafael Espindola  <espindola@google.com>
2301
2302         * main.cc (main): Fix the sys time reporting.
2303         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2304         reporting.
2305
2306 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2307
2308         * options.cc (General_options::parse_version): Allow -v to exit
2309         without an error if there is nothing to link.
2310
2311 2009-12-29  Ian Lance Taylor  <iant@google.com>
2312
2313         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2314         using a version of gcc before 4.1.
2315         * configure: Rebuild.
2316
2317 2009-12-28  Chris Demetriou  <cgd@google.com>
2318
2319         * attributes.cc (Output_attributes_section_data::do_write): Use
2320         std::vector::front rather than std::vector::data.
2321
2322 2009-12-28  Ian Lance Taylor  <iant@google.com>
2323
2324         * symtab.h (class Symbol_table): Add enum Defined.
2325         * resolve.cc (Symbol_table::should_override): Add defined
2326         parameter.  Change all callers.  Test whether object is NULL
2327         before calling a method on it.
2328         (Symbol_table::report_resolve_problem): Add defined parameter.
2329         Change all callers.
2330         (Symbol_table::should_override_with_special): Likewise.
2331         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2332         parameter.  Change all callers.
2333         (Symbol_table::do_define_in_output_data): Likewise.
2334         (Symbol_table::define_in_output_segment): Likewise.
2335         (Symbol_table::do_define_in_output_segment): Likewise.
2336         (Symbol_table::define_as_constant): Likewise.
2337         (Symbol_table::do_define_as_constant): Likewise.
2338         * script.h (class Symbol_assignment): Add is_defsym parameter to
2339         constructor; change all callers.
2340         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2341         parameter.  Change all callers.  Add is_defsym_ field.
2342         (class Parser_closure): Add parsing_defsym parameter to
2343         constructor; change all callers.  Add parsing_defsym accessor
2344         function.  Add parsing_defsym_ field.
2345
2346 2009-12-28  Ian Lance Taylor  <iant@google.com>
2347
2348         * gold.cc (queue_middle_tasks): Fix formatting.
2349         * object.cc (Relobj::is_section_name_included): Likewise.
2350
2351 2009-12-23  Ian Lance Taylor  <iant@google.com>
2352
2353         * i386.cc (Target_i386::do_calls_non_split): Recognize
2354         -fsplit-stack prologue for a function with a static chain.
2355         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2356         -fsplit-stack prologue when using %r11.
2357
2358 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2359
2360         * options.cc (General_options::parse_version): Make -v continue and do
2361         the link like GNU ld does.
2362
2363 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2364
2365         * Makefile.am (CCFILES): Add timer.cc.
2366         (HFILES): Add timer.h.
2367         * configure.ac: Check for sysconf and times.
2368         * main.cc: include timer.h.
2369         (main): Use Timer instead of get_run_time.
2370         * timer.cc: New.
2371         * timer.h: New.
2372         * workqueue.cc: include timer.h.
2373         (Workqueue::find_and_run_task):
2374         Report user, sys and wall time.
2375         * Makefile.in: Regenerate.
2376         * config.in: Regenerate.
2377         * configure: Regenerate.
2378
2379 2009-12-16  Doug Kwan  <dougkwan@google.com>
2380
2381         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2382         sections.
2383         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2384         relaxed input sections.
2385         * output.cc (Output_section::find_relaxed_input_section): Change
2386         return type to Output_relaxed_input_section pointer.  Adjust code
2387         for new type of relaxed_input_section_map_.
2388         * output.h (Output_section::find_relaxed_input_section): Change
2389         return type to Output_relaxed_input_section pointer.
2390         (Output_section::Output_relaxed_input_section_by_input_section_map):
2391         New type.
2392         (Output_section::relaxed_input_section_map_): Change type to
2393         Output_section::Output_relaxed_input_section_by_input_section_map.
2394         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2395         input section.
2396
2397 2009-12-15  Ian Lance Taylor  <iant@google.com>
2398
2399         * layout.cc (Layout::create_shstrtab): Only write out after input
2400         sections if we are compressing debug sections.
2401
2402 2009-12-15  Ian Lance Taylor  <iant@google.com>
2403
2404         * archive.cc (Archive::add_symbols): Only look up a symbol without
2405         a version if there is, in fact, a version.
2406
2407 2009-12-14  Ian Lance Taylor  <iant@google.com>
2408
2409         Revert -Wshadow changes, all changes from:
2410         2009-12-11  Doug Kwan  <dougkwan@google.com>
2411         2009-12-11  Nick Clifton  <nickc@redhat.com>
2412         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2413
2414 2009-12-11  Doug Kwan  <dougkwan@google.com>
2415
2416         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2417         due to -Wshadow.
2418         * attributes.cc (Object_attribute::size): Ditto.
2419         (Attributes_section_data::size): Ditto.
2420         (Attributes_section_data::Attributes_section_data): Ditto.
2421         (Output_attributes_section_data::do_write): Ditto.
2422         * attributes.h (Object_attribute::set_type): Ditto.
2423         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2424
2425 2009-12-11  Nick Clifton  <nickc@redhat.com>
2426
2427         * archive.cc: Fix shadowed variable warnings.
2428         * arm.cc: Likewise.
2429         * compressed_output.cc: Likewise.
2430         * compressed_output.h: Likewise.
2431         * configure: Likewise.
2432         * dwarf_reader.cc: Likewise.
2433         * dynobj.cc: Likewise.
2434         * dynobj.h: Likewise.
2435         * ehframe.cc: Likewise.
2436         * ehframe.h: Likewise.
2437         * errors.cc: Likewise.
2438         * expression.cc: Likewise.
2439         * fileread.cc: Likewise.
2440         * fileread.h: Likewise.
2441         * freebsd.h: Likewise.
2442         * i386.cc: Likewise.
2443         * icf.cc: Likewise.
2444         * incremental.h: Likewise.
2445         * layout.cc: Likewise.
2446         * layout.h: Likewise.
2447         * mapfile.cc: Likewise.
2448         * merge.cc: Likewise.
2449         * merge.h: Likewise.
2450         * object.cc: Likewise.
2451         * object.h: Likewise.
2452         * options.h: Likewise.
2453         * output.cc: Likewise.
2454         * output.h: Likewise.
2455         * parameters.cc: Likewise.
2456         * plugin.cc: Likewise.
2457         * powerpc.cc: Likewise.
2458         * reduced_debug_output.cc: Likewise.
2459         * reduced_debug_output.h: Likewise.
2460         * reloc.cc: Likewise.
2461         * reloc.h: Likewise.
2462         * resolve.cc: Likewise.
2463         * script-sections.cc: Likewise.
2464         * script.cc: Likewise.
2465         * script.h: Likewise.
2466         * sparc.cc: Likewise.
2467         * symtab.cc: Likewise.
2468         * symtab.h: Likewise.
2469         * target-select.cc: Likewise.
2470         * target-select.h: Likewise.
2471         * token.h: Likewise.
2472         * workqueue.cc: Likewise.
2473         * workqueue.h: Likewise.
2474         * x86_64.cc: Likewise.
2475
2476 2009-12-10  Doug Kwan  <dougkwan@google.com>
2477
2478         * arm.cc (attributes.h): New include.
2479         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2480         (Arm_relobj::~Arm_relobj): Delete object pointed by
2481         attributes_section_data_.
2482         (Arm_relobj::attributes_section_data): New method definition.
2483         (Arm_relobj::attributes_section_data_): New data member declaration.
2484         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2485         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2486         attributes_section_data_.
2487         (Arm_dynobj::attributes_section_data): New method definition.
2488         (Arm_dynobj::attributes_section_data_): New data member declaration.
2489         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2490         initialization value of may_use_blx_ to false.
2491         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2492         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2493         object attributes to compute results instead of hard-coding.
2494         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2495         Target_arm::get_secondary_compatible_arch,
2496         Target_arm::set_secondary_compatible_arch
2497         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2498         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2499         New method declarations.
2500         (Target_arm::get_aeabi_object_attribute): New method definition.
2501         (Target_arm::attributes_section_data_): New data member declaration.
2502         (read_arm_attributes_section): New template definition.
2503         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2504         (Arm_dynobj::do_read_symbols): Ditto.
2505         (Target_arm::do_finalize_sections): Merge attributes sections from
2506         input.  Check for BLX use after attributes section merging.
2507         Fix __exidx_start and __exidx_end visibility.  Create an
2508         .ARM.attributes section if necessary.
2509         (Target_arm::get_secondary_compatible_arch,
2510         Target_arm::set_secondary_compatible_arch,
2511         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2512         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2513         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2514         New method definitions.
2515
2516 2009-12-09  Ian Lance Taylor  <iant@google.com>
2517
2518         * plugin.cc (Plugin::load): Don't cast from void* to a function
2519         pointer.
2520
2521 2009-12-09  Ian Lance Taylor  <iant@google.com>
2522
2523         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2524         information fields.
2525
2526 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2527
2528         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2529         Replace two_file_shared_1.so with two_file_shared_2.so.
2530         * testsuite/Makefile.in: Regenerated.
2531
2532 2009-12-08  Doug Kwan  <dougkwan@google.com>
2533
2534         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2535         (HFILES): Add attributes.h and int_encoding.h.
2536         * Makefile.in: Regenerate.
2537         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2538         function definitions to int_encoding.cc
2539         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2540         prototypes to int_encoding.h
2541         * reduced_debug_output.cc (int_encoding.h): New include.
2542         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2543         function definitions to int_encoding.cc
2544         (insert_into_vector, read_from_pointer): Move template definitions to
2545         int_encoding.h
2546         * attributes.cc: New file.
2547         * attributes.h: New file.
2548         * int_encoding.cc: New file.
2549         * int_encoding.h: New file.
2550
2551 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2552
2553         PR gold/11055
2554         * incremental-dump.cc (dump_incremental_inputs): New.
2555         (main): Use dump_incremental_inputs.
2556
2557 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2558
2559         PR gold/10893
2560         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2561         checking elfcpp::STT_FUNC.
2562         (Target_i386::Relocate::relocate): Likewise.
2563         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2564
2565         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2566         symbols from shared libraries into normal FUNC symbols.
2567
2568         * symtab.h (Symbol): Add is_func and use it.
2569
2570 2009-12-05  Doug Kwan  <dougkwan@google.com>
2571
2572         * arm.cc (Target_arm::arm_info): Initialize new fields
2573         attributes_section and attributes_vendor.
2574         * i386.cc (Target_i386::i386_info): Same.
2575         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2576         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2577         fields attributes_section and attributes_vendor.
2578         * sparc.cc (Target_sparc::sparc_info): Same.
2579         * target.h (Target::attributes_section, Target::attributes_vendor,
2580         Target::is_attributes_section, Target::attribute_arg_type,
2581         Target::attributes_order): New method definitions.
2582         (Target::Target_info::attributes_section,
2583         Target::Target_info::attributes_vendor): New fields.
2584         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2585         virtual method definitions.
2586         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2587         attributes_section and attributes_vendor.
2588         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2589
2590 2009-12-05  Doug Kwan  <dougkwan@google.com>
2591
2592         * arm.cc: Update comments about interworking and stub generation.
2593         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2594         considered as non-PIC.
2595         (Arm_relocate_functions::base_abs): Fix formatting.
2596         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2597         of function to use GOT entry address instead of offset.
2598         (Target_arm::Scan::global): Issue an error if a symbol would need a
2599         PLT does not get one because it is untyped.  Remove code to create
2600         dynamic symbols for relative branches.
2601         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2602         takes unsigned integer instead of boolean.
2603
2604 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2605
2606         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2607         (two_file_test_LDADD): Likewise.
2608         (common_test_1_LDADD): Likewise.
2609         (exception_test_LDADD) Likewise.
2610         (weak_test_LDADD): Likewise.
2611         (many_sections_test_LDADD): Likewise.
2612         (initpri1_LDADD): Likewise.
2613         (script_test_1_LDADD): Likewise.
2614         (script_test_2_LDADD): Likewise.
2615         (justsyms_LDADD): Likewise.
2616         (binary_test_LDADD): Likewise.
2617         (large_LDADD): Likewise.
2618         * testsuite/Makefile.in: Regenerated.
2619
2620 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2621
2622         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2623         (Symbol_table::override_with_special): Likewise.
2624         (Symbol_table::add_from_object): Likewise.
2625
2626 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2627
2628         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2629         Don't set the data_offset twice.
2630
2631 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2632
2633         * testsuite/Makefile.in: Regenerate.
2634
2635 2009-12-03  Doug Kwan  <dougkwan@google.com>
2636
2637         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2638         (Target_arm::do_finalize_sections): Add parameter for symbol table
2639         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2640         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2641         parameter for symbol table pointer.
2642         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2643         an additional parameter for a pointer to symbol table.
2644         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2645         parameter for a symbol table pointer.
2646         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2647         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2648         Ditto.
2649         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2650         parameter for a symbol table pointer.
2651
2652 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2653
2654         * incremental.cc (Incremental_inputs_header)
2655         (Incremental_inputs_header_write, Incremental_inputs_entry)
2656         (Incremental_inputs_entry_write): Move ...
2657         * incremental.h (Incremental_inputs_header)
2658         (Incremental_inputs_header_write, Incremental_inputs_entry)
2659         (Incremental_inputs_entry_write): here.
2660
2661 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2662
2663         * incremental.cc (make_sized_incremental_binary): Set the target.
2664         Error if it is incompatible.
2665         * output.h (Output_file): Add filename method.
2666
2667 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2668
2669         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2670         from the get_* methods.
2671
2672 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2673
2674         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2675         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2676         Write 0 for the data_offset of scripts.
2677
2678 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2679
2680         * testsuite/Makefile.am: Add the incremental_test.sh test.
2681         * testsuite/incremental_test.sh: New.
2682         * testsuite/incremental_test_1.c: New.
2683         * testsuite/incremental_test_2.c: New.
2684
2685 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2686
2687        * incremental-dump.cc (main): Fix typos.
2688
2689 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2690
2691         PR gold/11025
2692         * incremental-dump.cc (main): Use llu to print 64 bit values.
2693
2694 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2695             H.J. Lu  <hongjiu.lu@intel.com>
2696
2697         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2698         $(LIBDL).
2699         (incremental_dump_LDADD): Likewise.
2700         * Makefile.in: Regenerated.
2701
2702 2009-11-25  Doug Kwan  <dougkwan@google.com>
2703         
2704         Revert:
2705
2706         2009-11-25  Doug Kwan  <dougkwan@google.com>
2707
2708                 * arm.cc (Target_arm::Target_arm): Move method definition
2709                 outside of class definition.  Add code to handle
2710                 --target1-rel, --target1-abs and --target2= options.
2711                 (Target_arm::get_reloc_reloc_type): Change method to be
2712                 non-static and const.
2713                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2714                 New data member declaration.
2715                 (Target_arm::Scan::local, Target_arm::Scan::global,
2716                 Target_arm::Relocate::relocate,
2717                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2718                 Adjust call to Target_arm::get_real_reloc_type.
2719                 (Target_arm::get_real_reloc_type): Use command line options
2720                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2721                 * options.h (--target1-rel, --target1-abs, --target2): New
2722                 ARM-only options.
2723
2724 2009-11-25  Doug Kwan  <dougkwan@google.com>
2725
2726         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2727         class definition.  Add code to handle --target1-rel, --target1-abs
2728         and --target2= options.
2729         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2730         and const.
2731         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2732         member declaration.
2733         (Target_arm::Scan::local, Target_arm::Scan::global,
2734         Target_arm::Relocate::relocate,
2735         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2736         call to Target_arm::get_real_reloc_type.
2737         (Target_arm::get_real_reloc_type): Use command line options to
2738         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2739         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2740         options.
2741
2742 2009-11-25  Doug Kwan  <dougkwan@google.com>
2743
2744         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2745         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2746         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2747         formatting.
2748         (Arm_relocate_functions::thm_call): Replace body with a call to
2749         Arm_relocate_functions::thumb_branch_common.
2750         (Arm_relocate_functions::thm_jump24,
2751         Arm_relocate_functions::thm_xpc22): New method definitions.
2752         (Arm_relocate_functions::thumb_branch_common): New method definition.
2753         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2754         operator.
2755         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2756         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2757
2758 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2759
2760         * Makefile.am: Build incremental-dump
2761         * Makefile.in: Regenerate.
2762         * incremental-dump.cc: New.
2763         * incremental.cc (Incremental_inputs_header_data,
2764         Incremental_inputs_entry_data): Move to incremental.h
2765         * incremental.h: (Incremental_inputs_header_data,
2766         Incremental_inputs_entry_data): Move from incremental.cc
2767
2768 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2769
2770         * incremental.cc (Incremental_inputs_header,
2771         Incremental_inputs_header_write, Incremental_inputs_entry,
2772         Incremental_inputs_entry_write): Add a typedef with the data type.
2773
2774 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2775
2776         * incremental.cc (Incremental_inputs_header,
2777         Incremental_inputs_header_write, Incremental_inputs_entry,
2778         Incremental_inputs_entry_write): Update comment about which
2779         type has the filed descriptions.
2780
2781 2009-11-15  Doug Kwan  <dougkwan@google.com>
2782
2783         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2784         (Arm_relocate_functions::arm_branch_common): Change method defintion
2785         in class definition to a method declaration and update list of formal
2786         parameters.
2787         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2788         Arm_relocation_functions::jump24): Adjust call to
2789         Arm_relocate_functions::arm_branch_common.  Update list of formal
2790         parameters.
2791         (Arm_relocate_functions::xpc25): New method definition.
2792         (Arm_relocate_functions::arm_branch_common): Move method defintion
2793         out from class definition.  Use stubs for mode-switching and extending
2794         branch ranges.
2795         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2796         specially.  Change code to enable use of stubs in ARM branches.
2797
2798 2009-11-10  Doug Kwan  <dougkwan@google.com>
2799
2800         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2801         in method declaration.
2802         (Target_arm::relocate_stub): New method declaration.
2803         (Target_arm::default_target): Change to return a pointer instead of
2804         a const reference.
2805         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2806         Target_arm::default_target.
2807         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2808         method definition.
2809         (Target_arm::relocate_section): Adjust view.
2810         (Target_arm::relocate_stub): New method definition.
2811
2812 2009-11-10  Doug Kwan  <dougkwan@google.com>
2813
2814         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2815         a format warning.
2816         * incremental.cc (open_incremental_binary): Initialized local
2817         variables to avoid warnings.
2818         * object.cc (make_elf_object): Ditto.
2819         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2820         a format warning.
2821  
2822 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2823
2824         PR gold/10930
2825         * testsuite/plugin_test.c: Include "config.h".
2826
2827 2009-11-09  Doug Kwan  <dougkwan@google.com>
2828
2829         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2830         (arm_symbol_value): Remove.
2831         (Arm_relocate_functions::arm_branch_common,
2832         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2833         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2834         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2835         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2836         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2837         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2838         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2839         Arm_relocate_functions::thm_mobw_abs_nc,
2840         Arm_relocate_functions::thm_mov_abs,
2841         Arm_relocate_functions::movw_prel_nc,
2842         Arm_relocate_functions::thm_movt_abs,
2843         Arm_relocate_functions::movt_prel,
2844         Arm_relocate_functions::thm_movw_prel_nc,
2845         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2846         (Target_arm::Relocate::relocate): Only decompose address into two
2847         parts if relocation type uses the thumb-bit and pass the actual
2848         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2849         calls to methods in Arm_relocate_functions for this change.
2850
2851 2009-11-08  Ian Lance Taylor  <iant@google.com>
2852
2853         PR 10925
2854         * reloc.cc: Instantiate
2855         Sized_relobj::initialize_input_to_output_maps and
2856         Sized_relobj:free_input_to_output_maps.
2857
2858 2009-11-06  Ian Lance Taylor  <iant@google.com>
2859
2860         PR 10876
2861         * defstd.cc (in_segment): Set only_if_ref true for "end".
2862
2863 2009-11-06  Doug Kwan  <dougkwan@google.com>
2864
2865         * arm.cc (class Reloc_stub): Correct a comment.
2866         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2867         (Target_arm::scan_section_for_stubs): New method declaration.
2868         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2869         Change methods from private to protected.
2870         (Target_arm::do_may_relax): New method definition.
2871         (Target_arm::do_relax, Target_arm::group_sections,
2872         Target_arm::scan_reloc_for_stub,
2873         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2874         (Target_arm::arm_input_section_map_): New data member declaration.
2875         (Target_arm::scan_reloc_for_stub,
2876         Target_arm::scan_reloc_section_for_stubs,
2877         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2878         Target_arm::do_relax): New method definitions.
2879
2880 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2881
2882         * configure.ac: Check for (struct stat)::st_mtim
2883         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2884         * config.in: Regenerate.
2885         * configure: Regenerate.
2886
2887 2009-11-05  Ian Lance Taylor  <iant@google.com>
2888
2889         PR 10910
2890         * output.cc (Output_segment::add_output_section): Add missing
2891         return statement.
2892
2893 2009-11-04  Ian Lance Taylor  <iant@google.com>
2894
2895         PR 10880
2896         * object.h (class Object): Add is_needed and set_is_needed
2897         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2898         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2899         defined in a dynamic object and referenced by a regular object,
2900         set is_needed for the dynamic object.
2901         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2902         if the file is marked with as_needed and it is not needed.
2903
2904 2009-11-04  Ian Lance Taylor  <iant@google.com>
2905
2906         PR 10887
2907         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2908         tags if data is discarded by linker script.
2909         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2910         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2911         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2912         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2913
2914 2009-11-04  Ian Lance Taylor  <iant@google.com>
2915
2916         * layout.cc (Layout::get_output_section): Add is_interp and
2917         is_dynamic_linker_section parameters.  Change all callers.
2918         (Layout::choose_output_section): Likewise.
2919         (Layout::make_output_section): Likewise.
2920         (Layout::add_output_section_data): Add is_dynamic_linker_section
2921         parameter.  Change all callers.
2922         * layout.h (class Layout): Update declarations.
2923         * output.h (class Output_section): Add is_interp, set_is_interp,
2924         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2925         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2926         generate_code_fills_at_write_ to a bitfield.
2927         * output.cc (Output_section::Output_sections): Initialize new
2928         fields.
2929         (Output_segment::add_output_section): Add do_sort parameter.
2930         Change all callers.
2931
2932 2009-11-03  Ian Lance Taylor  <iant@google.com>
2933
2934         PR 10860
2935         * options.h (class General_options): Add --warn-common.
2936         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2937         merging two common symbols.
2938         (Symbol_table::should_override): Handle --warn-common when merging
2939         a common symbol with a defined symbol.  Use report_resolve_problem
2940         for multiple definitions.
2941         (Symbol_table::report_resolve_problem): New function.
2942         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2943
2944 2009-11-03  Doug Kwan  <dougkwan@google.com>
2945
2946         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2947         stub_factory_.
2948         (Target_arm::stub_factory): New method definition.
2949         (Target_arm::new_arm_input_section,
2950         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2951         Target_arm::reloc_uses_thumb_bit): New method declarations.
2952         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2953         New type definitions.
2954         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2955         member declarations.
2956         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2957         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2958         New method definitions.
2959
2960 2009-11-03  Ian Lance Taylor  <iant@google.com>
2961
2962         * options.h (class General_options): Add --warn_constructors.
2963
2964 2009-11-03  Ian Lance Taylor  <iant@google.com>
2965
2966         PR 10893
2967         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2968         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2969
2970 2009-11-03  Ian Lance Taylor  <iant@google.com>
2971
2972         PR 10895
2973         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2974         --msgid-bugs-address.
2975         (install-pdf): New target.
2976         (install-data_yes): Look up one directory to find mkinstalldirs.
2977
2978 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2979
2980         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2981         tree.
2982
2983 2009-10-30  Doug Kwan  <dougkwan@google.com>
2984
2985         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2986
2987 2009-10-30  Doug Kwan  <dougkwan@google.com>
2988
2989         * arm.cc (Stub_addend_reader): New struct template definition
2990         and partial specializations.
2991         (Stub_addend_reader::operator()): New method definition for a
2992         partially specialized template.
2993
2994 2009-10-30  Doug Kwan  <dougkwan@google.com>
2995
2996         * arm.cc (Arm_relobj::processor_specific_flags): New method
2997         definition.
2998         (Arm_relobj::do_read_symbols): New method declaration.
2999         (Arm_relobj::processor_specific_flags_): New data member declaration.
3000         (Arm_dynobj): New class definition.
3001         (Target_arm::do_finalize_sections): Add input_objects parameter.
3002         (Target_arm::do_adjust_elf_header): New method declaration.
3003         (Target_arm::are_eabi_versions_compatible,
3004         (Target_arm::merge_processor_specific_flags): New method declaration.
3005         (Target_arm::do_make_elf_object): New overloaded method definitions
3006         and declaration.
3007         (Arm_relobj::do_read_symbols): New method definition.
3008         (Arm_dynobj::do_read_symbols): Ditto.
3009         (Target_arm::do_finalize_sections): Add input_objects parameters.
3010         Merge processor-specific flags from all input objects.
3011         (Target_arm::are_eabi_versions_compatible,
3012         Target_arm::merge_processor_specific_flags,
3013         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3014         New method definitions.
3015         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3016         Input_objects pointer type parameter.
3017         * layout.cc (Layout::finalize): Pass input objects to target's.
3018         finalize_sections function.
3019         * output.cc (Output_file_header::do_sized_write): Set ELF file
3020         header's processor-specific flags.
3021         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3022         Input_objects pointer type parameter.
3023         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3024         * target.h (Input_objects): New forward class declaration.
3025         (Target::processor_specific_flags,
3026         Target::are_processor_specific_flags_sect): New method definitions.
3027         (Target::finalize_sections): Add input_objects parameter.
3028         (Target::Target): Initialize processor_specific_flags_ and
3029         are_processor_specific_flags_set_.
3030         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3031         parameter.
3032         (Target::set_processor_specific_flags): New method definition.
3033         (Target::processor_specific_flags_,
3034         Target::are_processor_specific_flags_set_): New data member
3035         declarations.
3036         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3037         Input_objects pointer type parameter.
3038
3039 2009-10-30  Doug Kwan  <dougkwan@google.com>
3040
3041         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3042
3043 2009-10-28  Ian Lance Taylor  <iant@google.com>
3044
3045         * object.h (class Relobj): Drop options parameter from
3046         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3047         do_scan_relocs, do_relocate.  Change all callers.
3048         (class Sized_relobj): Drop options parameters from
3049         do_gc_process_relocs, do_scan_relocs, do_relocate,
3050         do_relocate_sections, relocate_sections, emit_relocs_scan,
3051         emit_relocs_scan_reltype.  Change all callers.
3052         (struct Relocate_info): Remove options field and all references to
3053         it.
3054         * reloc.h (class Read_relocs): Remove options constructor
3055         parameter and options_ field.  Change all callers.
3056         (class Gc_process_relocs, class Scan_relocs): Likewise.
3057         (class Relocate_task): Likewise.
3058         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3059         all callers.
3060         (scan_relocatable_relocs): Likewise.
3061         * target.h (class Sized_target): Remove options parameter from
3062         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3063         all callers.
3064         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3065         callers.
3066         * arm.cc: Update functions to remove options parameters.
3067         * i386.cc: Likewise.
3068         * powerpc.cc: Likewise.
3069         * sparc.cc: Likewise.
3070         * x86_64.cc: Likewise.
3071         * testsuite/testfile.cc: Likewise.
3072
3073 2009-10-28  Doug Kwan  <dougkwan@google.com>
3074
3075         * arm.cc (Arm_relobj): New class definition.
3076         (Arm_relobj::scan_sections_for_stubs, 
3077         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3078         New method definitions.
3079
3080 2009-10-28  Cary Coutant  <ccoutant@google.com>
3081
3082         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3083         (Plugin::cleanup_done_): New member.
3084         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3085         (Plugin_manager::cleanup_done_): Remove.
3086         (Plugin_manager::add_input_file): Edit error message.
3087         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3088         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3089
3090 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3091
3092         * fileread.cc: (File_read::View::~View): Use the new
3093         data_ownership_ filed.
3094         (File_read::~File_read): Dispose the new whole_file_view_.
3095         (File_read::open): Mmap the whole file if needed.
3096         (File_read::open): Use whole_file_view_ instead of contents_.
3097         (File_read::find_view): Use whole_file_view_ if applicable.
3098         (File_read::do_read): Use whole_file_view_ instead of contents_.
3099         (File_read::make_view): Use whole_file_view_ instead of contents_,
3100         update File_read::View::View call.
3101         (File_read::find_or_make_view): Update File_read::View::View
3102         call.
3103         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3104         remove contents_
3105         (File_read::View::Data_ownership): New enum.
3106         (File_read::View::View): Replace bool mapped_ with Data_ownership
3107         argument.
3108         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3109         (File_read::View::data_ownership_): New field.
3110         (File_read::contents_): Remove (replaced by whole_file_view_).
3111         (File_read::whole_file_view_): New field.
3112         * options.h (class General_options): Add --keep-files-mapped.
3113
3114 2009-10-27  Cary Coutant  <ccoutant@google.com>
3115
3116         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3117         * testsuite/Makefile.am (plugin_test_5): New test case.
3118         * testsuite/Makefile.in: Regenerate.
3119
3120 2009-10-25  Doug Kwan  <dougkwan@google.com>
3121
3122         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3123         from private to protected to allow access by child class.
3124         (Sized_relobj::do_relocate_sections): New method declaration.
3125         (Sized_relobj::relocate_sections): Virtualize.
3126         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
3127         Sized_relobj::relocate_sections.  Instantiate template explicitly
3128         for different target sizes and endianity.
3129
3130 2009-10-24  Doug Kwan  <dougkwan@google.com>
3131
3132         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3133         (Arm_input_section::as_arm_input_section): New method.
3134         (Arm_output_section): New class definition.
3135         (Arm_output_section::create_stub_group,
3136         Arm_output_section::group_sections): New method definitions.
3137
3138 2009-10-22  Doug Kwan  <dougkwan@google.com>
3139
3140         * arm.cc (Arm_input_section): New class definition.
3141         (Arm_input_section::init, Arm_input_section:do_write,
3142         Arm_input_section::set_final_data_size,
3143         Arm_input_section::do_reset_address_and_file_offset): New method
3144         definitions.
3145
3146 2009-10-21  Doug Kwan  <dougkwan@google.com>
3147
3148         * arm.cc (Stub_table, Arm_input_section): New forward class
3149         declarations.
3150         (Stub_table): New class defintion.
3151         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3152         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3153         New method definition.
3154
3155 2009-10-21  Doug Kwan  <dougkwan@google.com>
3156
3157         * arm.cc: Update copyright comments.
3158         (Target_arm): New forward class template declaration.
3159         (Arm_address): New type.
3160         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3161         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3162         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3163         constants.
3164         (Insn_template): Same.
3165         (DEF_STUBS): New macro.
3166         (Stub_type): New enum type.
3167         (Stub_template): New class definition.
3168         (Stub): Same.
3169         (Reloc_stub): Same.
3170         (Stub_factory): Same.
3171         (Target_arm::Target_arm): Initialize may_use_blx_ and
3172         should_force_pic_veneer_.
3173         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3174         Target_arm::should_force_pic_veneer,
3175         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3176         Target_arm::using_thumb_only, Target_arm:;default_target): New
3177         method defintions.
3178         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3179         New data member declarations.
3180         (Insn_template::size, Insn_template::alignment): New method defintions.
3181         (Stub_template::Stub_template): New method definition.
3182         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3183         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3184         (Stub_factory::Stub_factory): New method definition.
3185         * gold.h (string_hash): New template.
3186         * output.h (Input_section_specifier::hash_value): Use
3187         gold::string_hash.
3188         (Input_section_specifier::string_hash): Remove.
3189         * stringpool.cc (Stringpool_template::string_hash): Use
3190         gold::string_hash.
3191
3192 2009-10-20  Doug Kwan  <dougkwan@google.com>
3193
3194         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3195         symbols of relaxed input sections.
3196         * output.h (Output_section::find_relaxed_input_section): Make
3197         method public.
3198
3199 2009-10-16  Doug Kwan  <dougkwan@google.com>
3200
3201         * dynobj.cc (Versions::Versions): Initialize version_script_.
3202         Only insert base version symbol definition for a shared object
3203         if version script defines any version versions.
3204         (Versions::define_base_version): New method definition.
3205         (Versions::add_def): Check that base version is not needed.
3206         (Versions::add_need): Define base version lazily.
3207         * dynobj.h (Versions::define_base_version): New method declaration.
3208         (Versions::needs_base_version_): New data member declaration.
3209         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3210         (check_DATA): Add no_version_test.stdout.
3211         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3212         New make rules.
3213         * testsuite/Makefile.in: Regenerate.
3214         * testsuite/no_version_test.c: New file.
3215         * testsuite/no_version_test.sh: Ditto.
3216
3217 2009-10-16  Doug Kwan  <dougkwan@google.com>
3218
3219         * expression.cc (class Segment_start_expression): New class definition.
3220         (Segment_start_expression::value): New method definition.
3221         (script_exp_function_segment_start): Return a new
3222         Segment_start_expression.
3223         * gold/script-c.h (script_saw_segment_start_expression): New function
3224         prototype.
3225         * script-sections.cc (Script_sections::Script_sections): Initialize
3226         SAW_SEGMENT_START_EXPRESSION_ to false.
3227         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3228         and -Tbbs options to specify section addresses if given in
3229         command line and no SEGMENT_START expression is seen in a script.
3230         * script-sections.h (Script_sections::saw_segment_start_expression,
3231         Script_sections::set_saw_segment_start_expression): New method
3232         definition.
3233         (Script_sections::saw_segment_start_expression_): New data member
3234         declaration.
3235         * script.cc (script_saw_segment_start_expression): New function.
3236         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3237         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3238         script_test_7.sh and script_test_8.sh.
3239         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3240         script_test_8.stdout.
3241         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3242         (script_test_6, script_test_6.stdout, script_test_7,
3243         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3244         * Makefile.in: Regenerate.
3245         * testsuite/script_test_6.sh: New file.
3246         * testsuite/script_test_6.t: Same.
3247         * testsuite/script_test_7.sh: Same.
3248         * testsuite/script_test_7.t: Same.
3249         * testsuite/script_test_8.sh: Same.
3250
3251 2009-10-16  Doug Kwan  <dougkwan@google.com>
3252
3253         * output.cc (Output_segment::set_section_list_address): Cast
3254         expressions to unsigned long long type to avoid format warnings.
3255
3256 2009-10-15  Ian Lance Taylor  <iant@google.com>
3257
3258         * script.cc (Script_options::add_symbol_assignment): Always add a
3259         dot assignment to script_sections_.
3260         * script-sections.cc (Script_sections::add_dot_assignment):
3261         Initialize if necessary.
3262
3263         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3264         program headers with no load segment if there is a linker script.
3265
3266         * layout.cc (Layout::set_segment_offsets): Align the file offset
3267         to the segment aligment for -N or -n with no load segment.
3268         * output.cc (Output_segment::add_output_section): Don't crash if
3269         the first section is a TLS section.
3270         (Output_segment::set_section_list_addresses): Print an error
3271         message if the address moves backward in a linker script.
3272         * script-sections.cc
3273         (Output_section_element_input::set_section_addresses): Don't
3274         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3275         (Orphan_output_section::set_section_addresses): Likewise.
3276
3277 2009-10-15  Doug Kwan  <dougkwan@google.com>
3278
3279         * layout.cc (Layout::finish_dynamic_section): Generate tags
3280         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3281         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3282         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3283
3284 2009-10-14  Ian Lance Taylor  <iant@google.com>
3285
3286         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3287         fields.
3288         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3289         data_shdr fields of relinfo.
3290         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3291         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3292         R_386_TLS_LDO_32, adjust based on section flags.
3293         (Target_i386::Relocate::fix_up_ldo): Remove.
3294
3295 2009-10-13  Ian Lance Taylor  <iant@google.com>
3296
3297         Add support for -pie.
3298         * options.h (class General_options): Add -pie and
3299         --pic-executable.
3300         (General_options::output_is_position_independent): Test -pie.
3301         (General_options::output_is_executable): Return true if not shared
3302         and not relocatable.
3303         (General_options::output_is_pie): Remove.
3304         * options.cc (General_options::finalize): Reject incompatible uses
3305         of -pie.
3306         * gold.cc (queue_middle_tasks): A -pie link is not static.
3307         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3308         * symtab.cc (Symbol::final_value_is_known): Return false if
3309         output_is_position_independent.
3310         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3311         output_is_position_independent.
3312         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3313         output_is_position_independent.
3314         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3315         output_is_position_independent.
3316         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3317         two_file_pie_test.
3318         (basic_pie_test.o, basic_pie_test): New targets.
3319         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3320         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3321         (two_file_pie_test): New target.
3322         * testsuite/Makefile.in: Rebuild.
3323         * README: Remove note saying that -pie is not supported.
3324
3325 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3326
3327         * options.h (class General_options): Add -init and -fini.
3328         * layout.cc (Layout::finish_dynamic_section): Emit
3329         given init and fini functions.
3330
3331 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3332
3333         * gc.h (gc_process_relocs): Check if icf is enabled using new
3334         function.
3335         * gold.cc (queue_initial_tasks): Likewise.
3336         (queue_middle_tasks): Likewise.
3337         * object.cc (do_layout): Likewise.
3338         * symtab.cc (is_section_folded): Likewise.
3339         * main.cc (main): Likewise.
3340         * reloc.cc (Read_relocs::run): Likewise.
3341         (Sized_relobj::do_scan_relocs): Likewise.
3342         * icf.cc (is_function_ctor_or_dtor): New function.
3343         (Icf::find_identical_sections): Check if function is ctor or dtor when
3344         safe icf is chosen.
3345         * options.h (General_options::icf): Change option to be an enum.
3346         (Icf_status): New enum.
3347         (icf_enabled): New method.
3348         (icf_safe_folding): New method.
3349         (set_icf_status): New method.
3350         (icf_status_): New variable.
3351         * (options.cc) (General_options::finalize): Set icf_status_.
3352         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3353         icf_test and icf_keep_unique_test to use the --icf enum flag.
3354         * testsuite/icf_safe_test.sh: New file.
3355         * testsuite/icf_safe_test.cc: New file. 
3356
3357 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3358
3359         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3360         includes to gc.h and icf.h.
3361         * arm.cc: Include gc.h.
3362         * gold.cc: Likewise.
3363         * i386.cc: Likewise.
3364         * powerpc.cc: Likewise.
3365         * sparc.cc: Likewise.
3366         * x86_64.cc: Likewise.
3367         * gc.h: Include icf.h.
3368
3369 2009-10-11  Ian Lance Taylor  <iant@google.com>
3370
3371         * plugin.cc: Include "gold.h" before other header files.
3372
3373 2009-10-10  Chris Demetriou  <cgd@google.com>
3374
3375         * options.h (Input_file_argument::Input_file_type): New enum.
3376         (Input_file_argument::is_lib_): Replace with...
3377         (Input_file_argument::type_): New member.
3378         (Input_file_argument::Input_file_argument): Take Input_file_type
3379         'type' rather than boolean 'is_lib' as second argument.
3380         (Input_file_argument::is_lib): Use type_.
3381         (Input_file_argument::is_searched_file): New function.
3382         (Input_file_argument::may_need_search): Handle is_searched_file.
3383         * options.cc (General_options::parse_library): Support -l:filename.
3384         (General_options::parse_just_symbols): Update for Input_file_argument
3385         changes.
3386         (Command_line::process): Likewise.
3387         * archive.cc (Archive::get_file_and_offset): Likewise.
3388         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3389         * script.cc (read_script_file, script_add_file): Likewise.
3390         * fileread.cc (Input_file::Input_file): Likewise.
3391         (Input_file::will_search_for): Handle is_searched_file.
3392         (Input_file::open): Likewise.
3393         * readsyms.cc (Read_symbols::get_name): Likewise.
3394         * testsuite/Makefile.am (searched_file_test): New test.
3395         * testsuite/Makefile.in: Regenerate.
3396         * testsuite/searched_file_test.cc: New file.
3397         * testsuite/searched_file_test_lib.cc: New file.
3398
3399 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3400             Ian Lance Taylor  <iant@google.com>
3401
3402         * descriptor.cc: Include <cstdio> and "binary-io.h".
3403         (Descriptors::open): Open the files in binary mode always.
3404         * script.cc (Lex::get_token): Treat \r as whitespace.
3405
3406 2009-10-09  Ian Lance Taylor  <iant@google.com>
3407
3408         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3409
3410 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3411             Ian Lance Taylor  <iant@google.com>
3412
3413         * configure.ac: Check for readv function also.
3414         * fileread.cc (readv): Define if not HAVE_READV.
3415         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3416         does not exist.
3417         * config.in: Regenerate.
3418         * configure: Regenerate.
3419
3420 2009-10-09  Doug Kwan  <dougkwan@google.com>
3421
3422         * layout.cc (Layout::make_output_section): Call target hook to make
3423         ordinary output section.
3424         (Layout::finalize): Adjust parameter list of call the
3425         Target::may_relax().
3426         * layout.h (class Layout::section_list): New method.
3427         * merge.h (Output_merge_base::entsize): Change visibility to public.
3428         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3429         New methods.
3430         (Output_merge_string::do_is_string): New method.
3431         * object.cc (Sized_relobj::do_setup): renamed from
3432         Sized_relobj::set_up.
3433         * object.h (Sized_relobj::adjust_shndx,
3434         Sized_relobj::initializ_input_to_output_maps,
3435         Sized_relobj::free_input_to_output_maps): Change visibilities to
3436         protected.
3437         (Sized_relobj::setup): Virtualize.
3438         (Sized_relobj::do_setup): New method declaration.
3439         (Sized_relobj::invalidate_section_offset,
3440         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3441         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3442         * options.cc (parse_int): New function.
3443         * options.h (parse_int): New declaration.
3444         (DEFINE_int): New macro.
3445         (stub_group_size): New option.
3446         * output.cc (Output_section::Output_section): Initialize memebers
3447         merge_section_map_, merge_section_by_properties_map_,
3448         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3449         (Output_section::add_input_section): Handled deferred code-fill
3450         generation and remove an old comment.
3451         (Output_section::add_relaxed_input_section): New method definition.
3452         (Output_section::add_merge_input_section): Use merge section by
3453         properties map to speed to search.  Update merge section maps
3454         as appropriate.
3455         (Output_section::build_relaxation_map): New method definition.
3456         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3457         Same.
3458         (Output_section::relax_input_section): Renamed to
3459         Output_section::convert_input_sections_to_relaxed_sections and change
3460         interface to take a vector of pointers to relaxed sections.
3461         (Output_section::find_merge_section,
3462         Output_section::find_relaxed_input_section): New method definitions.
3463         (Output_section::is_input_address_mapped,
3464         Output_section::output_offset, Output_section::output_address):
3465         Use output section data maps to speed up searching.
3466         (Output_section::find_starting_output_address): Add comments.
3467         (Output_section::do_write,
3468         Output_section::write_to_postprocessing_buffer): Do code-fill
3469         generation as appropriate.
3470         (Output_section::get_input_sections): Invalidate relaxed input section
3471         map.
3472         (Output_section::restore_states): Adjust type of checkpoint .
3473         Invalidate relaxed input section map.
3474         * output.h (Output_merge_base): New class declaration.
3475         (Input_section_specifier): New class defintion.
3476         (class Output_relaxed_input_section) Change base class to
3477         Output_section_data_build.
3478         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3479         base class initializer.
3480         (Output_section::add_relaxed_input_section): New method declaration.
3481         (Output_section::Input_section): Change visibility to protected.
3482         (Output_section::Input_section::relobj,
3483         Output_section::Input_section::shndx): Handle relaxed input sections.
3484         Output_section::input_sections) Change visibility to protected.  Also
3485         define overload to return a non-const pointer.
3486         (Output_section::Merge_section_properties): New class defintion.
3487         (Output_section::Merge_section_by_properties_map,
3488         Output_section::Output_section_data_by_input_section_map,
3489         Output_section::Relaxation_map): New types.
3490         (Output_section::relax_input_section): Rename method to
3491         Output_section::convert_input_sections_to_relaxed_sections and change
3492         interface to take a vector of relaxed section pointers.
3493         (Output_section::find_merge_section,
3494         Output_section::find_relaxed_input_section,
3495         Output_section::build_relaxation_map,
3496         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3497         New method declarations.
3498         (Output_section::merge_section_map_
3499         Output_section::merge_section_by_properties_map_,
3500         Output_section::relaxed_input_section_map_,
3501         Output_section::is_relaxed_input_section_map_valid_,
3502         Output_section::generate_code_fills_at_write_): New data members.
3503         * script-sections.cc
3504         (Output_section_element_input::set_section_addresses): Call
3505         current_data_size and addralign methods of relaxed input sections.
3506         (Orphan_output_section::set_section_addresses): Call current_data_size
3507         and addralign methods of relaxed input sections.
3508         * symtab.cc (Symbol_table::compute_final_value): Extract template
3509         from the body of Symbol_table::sized_finalize_symbol.
3510         (Symbol_table::sized_finalized_symbol): Call
3511         Symbol_table::compute_final_value.
3512         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3513         (Symbol_table::compute_final_value): New templated method declaration.
3514         * target.cc (Target::do_make_output_section): New method defintion.
3515         * target.h (Target::make_output_section): New method declaration.
3516         (Target::relax): Add more parameters for input objects, symbol table
3517         and layout.  Adjust call to do_relax.
3518         (Target::do_make_output_section): New method declaration.
3519         (Target::do_relax): Add parameters for input objects, symbol table
3520         and layout.
3521
3522 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3523
3524         * pread.c: Include stdio.h.
3525
3526 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3527
3528         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3529         defined.
3530
3531 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3532
3533         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3534         Change read_shndx type to unsigned int.
3535         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3536         int.
3537         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3538         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3539         Change read_shndx type to unsigned int.
3540         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3541         int.
3542         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3543         * layout.cc (Layout::create_symtab_sections): Cast the result of
3544         local_symcount * symsize to off_t in the gold_assert.
3545
3546 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3547
3548         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3549         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3550         R_ARM_BASE_ABS.
3551         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3552         (Arm_relocate_functions::thm_abs5): New function.
3553         (Arm_relocate_functions::abs12): New function.
3554         (Arm_relocate_functions::abs16): New function.
3555         (Arm_relocate_functions::base_abs): New function.
3556         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3557         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3558         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3559         R_ARM_BASE_ABS.
3560         (Scan::global): Likewise.
3561         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3562         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3563         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3564         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3565         R_ARM_BASE_ABS.
3566
3567 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3568
3569         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3570         (Arm_relocate_functions::movt_prel): New function.
3571         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3572         (Arm_relocate_functions::thm_movt_prel): New function.
3573         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3574         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3575         (Scan::global, Relocate::relocate): Likewise.
3576         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3577
3578 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3579
3580         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3581         Incremental_checker.
3582         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3583         unsigned int.
3584         (class Incremental_inputs_header): New class.
3585         (Incremental_inputs_header_writer): Edit comment.
3586         (Incremental_inputs_entry): New class.
3587         (Incremental_inputs_entry_writer): Edit comment.
3588         (Sized_incremental_binary::do_find_incremental_inputs_section):
3589         Add *strtab_shndx parameter, fill it.
3590         (Sized_incremental_binary::do_check_inputs): New method.
3591         (Incremental_checker::can_incrementally_link_output_file): Use
3592         Sized_incremental_binary::check_inputs.
3593         (Incremental_inputs::report_command_line): Save command line in
3594         command_line_.
3595         * incremental.h:
3596         (Incremental_binary::find_incremental_inputs_section): New
3597         method.
3598         (Incremental_binary::do_find_incremental_inputs_section): Add
3599         strtab_shndx parameter.
3600         (Incremental_binary::do_check_inputs): New pure virtual method.
3601         (Sized_incremental_binary::do_check_inputs): Declare.
3602         (Incremental_checker::Incremental_checker): Add incremental_inputs
3603         parameter, use it to initialize incremental_inputs_.
3604         (Incremental_checker::incremental_inputs_): New field.
3605         (Incremental_checker::command_line): New method.
3606         (Incremental_checker::inputs): New method.
3607         (Incremental_checker::command_line_): New field.
3608
3609 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3610
3611         * incremental.cc: Include <cstdarg> and "target-select.h".
3612         (vexplain_no_incremental): New function.
3613         (explain_no_incremental): New function.
3614         (Incremental_binary::error): New method.
3615         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3616         method.
3617         (make_sized_incremental_binary): New function.
3618         (open_incremental_binary): New function.
3619         (can_incrementally_link_file): Add checks if output is ELF and has
3620         inputs section.
3621         * incremental.h: Include "elfcpp_file.h" and "output.h".
3622         (Incremental_binary): New class.
3623         (Sized_incremental_binary): New class.
3624         (open_incremental_binary): Declare.
3625         * object.cc (is_elf_object): Use
3626         elfcpp::Elf_recognizer::is_elf_file.
3627         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3628         * output.h (Output_file::filesize): New method.
3629
3630 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3631
3632         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3633         New function.
3634         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3635         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3636         function.
3637         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3638         function.
3639         (Arm_relocate_functions::movw_abs_nc): New function.
3640         (Arm_relocate_functions::movt_abs): New function.
3641         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3642         (Arm_relocate_functions::thm_movt_abs): New function.
3643         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3644         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3645         (Scan::global): Likewise.
3646         (Relocate::relocate): Likewise.
3647         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3648
3649 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3650
3651         * arm.cc (Arm_relocate_functions::got_prel) New function.
3652         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3653         (Relocate::relocate): Likewise.
3654         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3655
3656 2009-10-06  Ian Lance Taylor  <iant@google.com>
3657
3658         * options.h (class General_options): Define
3659         split_stack_adjust_size parameter.
3660         * object.h (class Object): Add uses_split_stack_ and
3661         has_no_split_stack_ fields.  Add uses_split_stack and
3662         has_no_split_stack accessor functions.  Declare
3663         handle_split_stack_section.
3664         (class Reloc_symbol_changes): Define.
3665         (class Sized_relobj): Define Function_offsets.  Declare
3666         split_stack_adjust, split_stack_adjust_reltype, and
3667         find_functions.
3668         * object.cc (Object::handle_split_stack_section): New function.
3669         (Sized_relobj::do_layout): Call handle_split_stack_section.
3670         * dynobj.cc (Sized_dynobj::do_layout): Call
3671         handle_split_stack_section.
3672         * reloc.cc (Sized_relobj::relocate_sections): Call
3673         split_stack_adjust for executable sections in split_stack
3674         objects.  Pass reloc_map to relocate_section.
3675         (Sized_relobj::split_stack_adjust): New function.
3676         (Sized_relobj::split_stack_adjust_reltype): New function.
3677         (Sized_relobj::find_functions): New function.
3678         * target-reloc.h: Include "object.h".
3679         (relocate_section): Add reloc_symbol_changes parameter.  Change
3680         all callers.
3681         * target.h (class Target): Add calls_non_split method.  Declare
3682         do_calls_non_split virtual method.  Declare match_view and
3683         set_view_to_nop.
3684         * target.cc: Include "elfcpp.h".
3685         (Target::do_calls_non_split): New function.
3686         (Target::match_view): New function.
3687         (Target::set_view_to_nop): New function.
3688         * gold.cc (queue_middle_tasks): Give an error if mixing
3689         split-stack and non-split-stack objects with -r.
3690         * i386.cc (Target_i386::relocate_section): Add
3691         reloc_symbol_changes parameter.
3692         (Target_i386::do_calls_non_split): New function.
3693         * x86_64.cc (Target_x86_64::relocate_section): Add
3694         reloc_symbol_changes parameter.
3695         (Target_x86_64::do_calls_non_split): New function.
3696         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3697         parameter.
3698         * powerpc.cc (Target_powerpc::relocate_section): Add
3699         reloc_symbol_changes parameter.
3700         * sparc.cc (Target_sparc::relocate_section): Add
3701         reloc_symbol_changes parameter.
3702         * configure.ac: Call AM_CONDITIONAL for the default target.
3703         * configure: Rebuild.
3704         * testsuite/Makefile.am (TEST_AS): New variable.
3705         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3706         (check_DATA): Add split_i386 and split_x86_64 files.
3707         (SPLIT_DEFSYMS): Define.
3708         (split_i386_[1234n].o): New targets.
3709         (split_i386_[124]): New targets.
3710         (split_i386_[1234r].stdout): New targets.
3711         (split_x86_64_[1234n].o): New targets.
3712         (split_x86_64_[124]): New targets.
3713         (split_x86_64_[1234r].stdout): New targets.
3714         (MOSTLYCLEANFILES): Add new executables.
3715         * testsuite/split_i386.sh: New file.
3716         * testsuite/split_x86_64.sh: New file.
3717         * testsuite/split_i386_1.s: New file.
3718         * testsuite/split_i386_2.s: New file.
3719         * testsuite/split_i386_3.s: New file.
3720         * testsuite/split_i386_4.s: New file.
3721         * testsuite/split_i386_n.s: New file.
3722         * testsuite/split_x86_64_1.s: New file.
3723         * testsuite/split_x86_64_2.s: New file.
3724         * testsuite/split_x86_64_3.s: New file.
3725         * testsuite/split_x86_64_4.s: New file.
3726         * testsuite/split_x86_64_n.s: New file.
3727         * testsuite/testfile.cc (Target_test): Update relocation_section
3728         function.
3729         * testsuite/Makefile.in: Rebuild.
3730
3731 2009-10-06  Ian Lance Taylor  <iant@google.com>
3732
3733         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3734         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3735         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3736         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3737         the address on ldo_addrs_.
3738         (Target_i386::Relocate::fix_up_ldo): New function.
3739
3740 2009-10-06   Rafael Espindola  <espindola@google.com>
3741
3742         * plugin.cc (add_input_library): New.
3743         (Plugin::load): Add add_input_library to tv.
3744         (Plugin_manager::add_input_file): Add the is_lib argument.
3745         (add_input_file): Update call to Plugin_manager::add_input_file.
3746         (add_input_library): New.
3747         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3748
3749 2009-09-30  Doug Kwan  <dougkwan@google.com>
3750
3751         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3752         symbol and call Symbol::may_need_copy_reloc to determine if
3753         a copy reloc is needed.
3754         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3755         nocopyreloc is given in command line.
3756         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3757         given in command line.
3758         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3759         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3760         of the removed Target_i386::may_need_copy_reloc.
3761         * options.h (copyreloc): New option with default value false.
3762         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3763         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3764         instead of the removed Target_powerpc::may_need_copy_reloc.
3765         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3766         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3767         instead of the removed Target_sparc::may_need_copy_reloc.
3768         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3769         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3770         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3771         instead of the removed Target_x86_64::may_need_copy_reloc.
3772
3773 2009-09-30  Ian Lance Taylor  <iant@google.com>
3774
3775         * object.h (class Object): Remove target_ field, and target,
3776         sized_target, and set_target methods.
3777         (Object::sized_target): Remove.
3778         (class Sized_relobj): Update declarations.  Remove sized_target.
3779         * object.cc (Sized_relobj::setup): Remove target parameter.
3780         Change all callers.
3781         (Input_objects::add_object): Don't do anything with the target.
3782         (make_elf_sized_object): Add punconfigured parameter.  Change all
3783         callers.  Set or test parameter target.
3784         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3785         Change all callers.
3786         * parameters.cc (Parameters::set_target): Change parameter type to
3787         be non-const.
3788         (Parameters::default_target): Remove.
3789         (set_parameters_target): Change parameter type to be non-const.
3790         (parameters_force_valid_target): New function.
3791         (parameters_clear_target): New function.
3792         * parameters.h (class Parameters): Update declarations.  Remove
3793         default_target method.  Add sized_target and clear_target
3794         methods.  Change target_ to be non-const.
3795         (set_parameters_target): Update declaration.
3796         (parameters_force_valid_target): Declare.
3797         (parameters_clear_target): Declare.
3798         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3799         as NULL if we aren't searching.
3800         (Add_symbols::run): Don't check for compatible target.
3801         * fileread.cc (Input_file::open_binary): Call
3802         parameters_force_valid_target.
3803         * gold.cc (queue_middle_tasks): Likewise.
3804         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3805         set_target on object.
3806         * dynobj.h (class Sized_dynobj): Update declarations.
3807         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3808         make_elf_object returns NULL.
3809         (Archive::include_member): Don't check whether object target is
3810         compatible.
3811         * output.cc (Output_section::add_input_section): Get target from
3812         parameters.
3813         (Output_section::relax_input_section): Likewise.
3814         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3815         parameters.
3816         (Sized_relobj::do_scan_relocs): Likewise.
3817         (Sized_relobj::relocate_sections): Likewise.
3818         * resolve.cc (Symbol_table::resolve): Likewise.
3819         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3820         parameter.  Change all callers.
3821         (Symbol_table::add_from_object): Get target from parameters.
3822         (Symbol_table::add_from_relobj): Don't check object target.
3823         (Symbol_table::add_from_dynobj): Likewise.
3824         (Symbol_table::define_special_symbol): Get target from
3825         parameters.
3826         * symtab.h (class Symbol_table): Update declaration.
3827         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3828         parameter.  Change all callers.  Clear parameter target.
3829         (Binary_test): Test target here.
3830         * testsuite/object_unittest.cc (gold_testsuite): Remove
3831         target_test_pointer parameter.  Change all callers.
3832         (Object_test): Test target here.
3833
3834 2009-09-26  Ian Lance Taylor  <iant@google.com>
3835
3836         * testsuite/initpri1.c: Don't try to use constructor priorities if
3837         compiling with gcc before 4.3.
3838
3839 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3840
3841         * testsuite/retain_symbols_file_test.sh (check_present): Change
3842         output file name to retain_symbols_file_test.stdout.
3843         (check_absent): Likewise.
3844
3845 2009-09-18  Craig Silverstein  <csilvers@google.com>
3846
3847         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3848         * options.cc: Include <cerrno> and <fstream>.
3849         (General_options::finalize): Parse -retain-symbols-file tag.
3850         * options.h: New flag.
3851         (General_options): New method should_retain_symbol, new
3852         variable symbols_to_retain.
3853         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3854         should_retain_symbol map.
3855         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3856         * testsuite/Makefile.in: Regenerate.
3857         * testsuite/retain_symbols_file_test.sh: New file.
3858
3859 2009-09-18  Nick Clifton  <nickc@redhat.com>
3860
3861         * po/es.po: Updated Spanish translation.
3862
3863 2009-09-17  Doug Kwan  <dougkwan@google.com>
3864
3865         * debug.h (DEBUG_RELAXATION): New constant.
3866         (DEBUG_ALL): Add DEBUG_RELAXATION.
3867         (debug_string_to_enum): Add relaxation debug option.
3868         * layout.cc
3869         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3870         Layout::Relaxation_debug_check::read_sections,
3871         Layout::Relaxation_debug_check::read_sections): New method definitions.
3872         (Layout::Layout): Initialize data members
3873         record_output_section_data_from_scrips_,
3874         script_output_section_data_list_ and relaxation_debug_check_.
3875         (Layout::save_segments, Layout::restore_segments,
3876         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3877         Layout::relaxation_loop_body): New method definitions.
3878         (Layout::finalize): Support relaxation.  Move section layout code to
3879         Layout::relaxation_loop_body.
3880         (Layout::set_asection_address_from_script): Move code for orphan
3881         section placement out.
3882         (Layout::place_orphan_sections_in_script): New method definition.
3883         * layout.h (Output_segment_headers, Output_file_header):
3884         New forward class declarations.
3885         (Layout::~Layout): Define.
3886         (Layout::new_output_section_data_from_script): New method definition.
3887         (Layout::place_orphan_sections_in_script): New method declaration.
3888         (Layout::Segment_states): New type declaration.
3889         (Layout::save_segments, Layout::restore_segments,
3890         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3891         Layout::relaxation_loop_body): New method declarations.
3892         (Layout::Output_section_data_list): New type declaration.
3893         (Layout::Relaxation_debug_check): New class definition.
3894         (Layout::record_output_section_data_from_script_,
3895         Layout::script_output_section_data_list_, Layout::segment_states_,
3896         Layout::relaxation_debug_check_): New data members.
3897         * output.cc: (Output_section_headers::do_size): New method definition.
3898         (Output_section_headers::Output_section_headers): Move size
3899         computation to Output_section_headers::do_size.
3900         (Output_segment_headers::do_size): New method definition.
3901         (Output_file_header::Output_file_header): Move size computation to 
3902         Output_file_header::do_size and call it.
3903         (Output_file_header::do_size): New method definition.
3904         (Output_data_group::Output_data_group): Adjust call to
3905         Output_section_data.
3906         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3907         (Output_symtab_xindex::do_write): Add array bound check.
3908         (Output_section::Input_section::print_to_mapfile): Handle
3909         RELAXED_INPUT_SECTION_CODE.
3910         (Output_section::Output_section): Initialize data member checkpoint_.
3911         (Output_section::~Output_section): Delete checkpoint object pointed
3912         by checkpoint_.
3913         (Output_section::add_input_section): Always add an Input_section if
3914         relaxing.
3915         (Output_section::add_merge_input_section): Add assert.
3916         (Output_section::relax_input_section): New method definition.
3917         (Output_section::set_final_data_size): Set load address to zero for
3918         an unallocated section.
3919         (Output_section::do_address_and_file_offset_have_reset_values):
3920         New method definition.
3921         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3922         Handle relaxed input section.
3923         (Output_section::sort_attached_input_sections): Checkpoint input
3924         section list lazily.
3925         (Output_section::get_input_sections): Change type of input_sections to
3926         list of Simple_input_section pointers.  Checkpoint input section list
3927         lazily.  Also handle relaxed input sections.
3928         (Output_section::add_input_section_for_script): Take a reference to
3929         a Simple_input_section object instead of Relobj pointer and section
3930         index as parameter.  Handle relaxed input sections.
3931         (Output_section::save_states, Output_section::restore_states): New
3932         method definitions.
3933         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3934         (Output_data::is_data_size_fixed): New method definition.
3935         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3936         if it is fixed.
3937         (Output_data::address_and_file_offset_have_reset_values): New method
3938         definition.
3939         (Output_data::do_address_and_file_offset_have_reset_values): New method
3940         definition.
3941         (Output_data::set_data_size): Check that data size is not fixed.
3942         (Output_data::fix_data_size): New method definition.
3943         (Output_data::is_data_size_fixed_): New data member.
3944         (Output_section_headers::set_final_data_size): New method definition.
3945         (Output_section_headers::do_size): New method declaration.
3946         (Output_segment_headers::set_final_data_size): New method definition.
3947         (Output_segment_headers::do_size): New method declaration.
3948         (Output_file_header::set_final_data_size)::New method definition.
3949         (Output_file_header::do_size)::New method declaration.
3950         (Output_section_data::Output_section_data): Add new parameter
3951         is_data_size_fixed and use it to fix data size.
3952         (Output_data_const::Output_data_const): Adjust call to base class
3953         constructor and fix data size.
3954         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3955         base class constructor and fix data size.
3956         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3957         base class constructor and fix data size.
3958         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3959         class constructor and fix data size.
3960         (Output_data_group::set_final_data_size): New method definition.
3961         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3962         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3963         class constructor and fix data size.
3964         (Output_relaxed_input_section): New class definition.
3965         (Output_section::Simple_input_section): New class definition.
3966         (Output_section::get_input_sections): Adjust parameter list.
3967         (Output_section::add_input_section_for_script): Same.
3968         (Output_section::save_states, Output_section::restore_states,
3969         Output_section::do_address_and_file_offset_have_reset_values,
3970         (Output_section::Input_section::Input_section): Handle
3971         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3972         Output_relaxed_input_section.
3973         (Output_section::Input_section::is_input_section,
3974         Output_section::Input_section::set_output_section): Handle relaxed
3975         input section.
3976         (Output_section::Input_section::is_relaxed_input_section,
3977         Output_section::Input_section::output_section_data,
3978         Output_section::Input_section::relaxed_input_section): New method
3979         definitions.
3980         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3981         value.
3982         (Output_section::Input_section::u1_): Update comments.
3983         (Output_section::Input_section::u2_): Add new union member poris.
3984         (Output_section::Checkpoint_output_section): New classs definition.
3985         (Output_section::relax_input_section): New method declaration.
3986         (Output_section::checkpoint_): New data member.
3987         (Output_segment): Update comments.
3988         (Output_segment::Output_segment): Un-privatize copy constructor.
3989         (Output_segment::operator=): Un-privatize.
3990         * script-sections.cc (Output_section_element::Input_section_list):
3991         Change element type to Output_section::Simple_input_section.
3992         (Output_section_element_dot_assignment::set_section_addresses):
3993         Register output section data for relaxation clean up.
3994         (Output_data_exression::Output_data_expression): Adjust call to base
3995         constructor to fix data size.
3996         (Output_section_element_data::set_section_addresses): Register
3997         Output_data_expression object for relaxation clean up.
3998         (struct Input_section_info): Replace Relobj pointer and section index
3999         pair with Output_section::Simple_input_section and Convert struct to a
4000         class.
4001         (Input_section_sorter::operator()): Adjust access to
4002         Input_section_info data member to use accessors. 
4003         (Output_section_element_input::set_section_addresses): Use layout
4004         parameter.  Adjust code to use Output_section::Simple_input_section
4005         and Input_secction_info classes.  Register filler for relaxation
4006         clean up.
4007         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4008         and section index pair with Output_section::Simple_input_section
4009         class.  Adjust code accordingly.
4010         (Phdrs_element::release_segment): New method definition.
4011         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4012         segment list.
4013         (Script_sections::release_segments): New method definition.
4014         * gold/script-sections.h (Script_sections::release_segments): New
4015         method declaration.
4016         * gold/target.h (Target::may_relax, Target::relax,
4017         Target::do_may_relax, Target::do_relax): New method definitions.
4018
4019 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4020
4021         * arm.cc (has_signed_unsigned_overflow): New function.
4022         (Arm_relocate_functions::abs8): New function.
4023         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4024         (Target_arm::Scan::global): Likewise.
4025         (Target_arm::relocate::relocate): Likewise.
4026         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4027         Likewise.
4028
4029 2009-09-16  Cary Coutant  <ccoutant@google.com>
4030
4031         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4032         * testsuite/Makefile.in: Regenerate.
4033
4034 2009-09-11  Nick Clifton  <nickc@redhat.com>
4035
4036         * po/gold.pot: Updated by the Translation project.
4037
4038 2009-09-08  Cary Coutant  <ccoutant@google.com>
4039
4040         * output.cc (Output_file::open): Add execute permission to empty file.
4041         * testsuite/Makefile.am (permission_test): New test.
4042         * testsuite/Makefile.in: Regenerate.
4043
4044 2009-09-02  Ian Lance Taylor  <iant@google.com>
4045
4046         * output.cc (Output_file::resize): Call map_no_anonymous rather
4047         than map.
4048
4049 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4050
4051         * gold.cc: Include "incremental.h".
4052         (queue_initial_tasks): Call Incremental_checker methods.
4053         * incremental.cc: Include "output.h".
4054         (Incremental_checker::can_incrementally_link_output_file): New
4055         method.
4056         * incremental.h (Incremental_checker): New class.
4057
4058         * output.cc (Output_file::open_for_modification): New method.
4059         (Output_file::map_anonymous): Changed return type to bool.  Record
4060         map in base_ field.
4061         (Output_file::map_no_anonymous): New method, broken out of map.
4062         (Output_file::map): Use map_no_anonymous and map_anonymous.
4063         * output.h (class Output_file): Update declarations.
4064
4065 2009-08-24  Cary Coutant  <ccoutant@google.com>
4066
4067         * options.h (Command_line::Pre_options): New class.
4068         (Command_line::pre_options): New member.
4069         * options.cc (gold::options::ready_to_register): New variable.
4070         (One_option::register_option): Do nothing if not registering options.
4071         Assert if same short option registered twice.
4072         (General_options::General_options): Turn off option registration when
4073         done constructing.
4074         (Command_line::Pre_options::Pre_options): New constructor.
4075
4076 2009-08-24  Cary Coutant  <ccoutant@google.com>
4077
4078         * options.h (General_options::no_keep_memory): Remove incorrect
4079         short option.
4080
4081 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4082
4083         * Makefile.am (am__skiplex, am__skipyacc): New.
4084         * Makefile.in: Regenerate.
4085
4086 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4087
4088         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4089         (INCLUDES): ... this.
4090         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4091         (AM_CPPFLAGS): Renamed from ...
4092         (INCLUDE): ... this.
4093         * Makefile.in, testsuite/Makefile.in: Regenerate.
4094
4095         * Makefile.in: Regenerate.
4096         * aclocal.m4: Likewise.
4097         * config.in: Likewise.
4098         * configure: Likewise.
4099         * testsuite/Makefile.in: Likewise.
4100
4101         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4102         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4103         * Makefile.in: Regenerate.
4104         * testsuite/Makefile.in: Regenerate.
4105
4106 2009-08-19  Cary Coutant  <ccoutant@google.com>
4107
4108         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4109         symbols in shared libraries overridden by hidden or internal symbols
4110         in the main program.
4111
4112 2009-08-19  Chris Demetriou  <cgd@google.com>
4113
4114         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4115         checking source file names in error messages.
4116
4117 2009-08-18  Doug Kwan  <dougkwan@google.com>
4118
4119         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4120         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4121         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4122         an elfcpp::Ehdr as parameter.
4123         * object.cc (Object::set_target): Remove the version that looks up
4124         a target and sets it.
4125         (Sized_relobj::setup): Take a Target object instead of
4126         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4127         (make_elf_sized_object): Find target and ask target to
4128         make an ELF object.
4129         * object.h: (Object::set_target): Remove the version that looks up
4130         a target and sets it.
4131         (Sized_relobj::setup): Take a Target object instead of
4132         an elfcpp:Ehdr as parameter.
4133         * target.cc: Include dynobj.h.
4134         (Target::do_make_elf_object_implementation): New.
4135         (Target::do_make_elf_object): New.
4136         * target.h (Target::make_elf_object): New template declaration.
4137         (Target::do_make_elf_object): New method declarations.
4138         (Target::do_make_elf_object_implementation): New template declaration.
4139
4140 2009-08-14  Ian Lance Taylor  <iant@google.com>
4141
4142         * gold.h (FUNCTION_NAME): Define.
4143         (gold_unreachable): Use FUNCTION_NAME.
4144
4145 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4146
4147         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4148         symbol in the --keep-unique list is not found.
4149
4150 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4151
4152         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4153         been maked as --keep-unique.
4154         (Icf::unfold_section): New function.
4155         * icf.h (Icf::unfold_section): New function.
4156         * options.h (General_options::keep_unique): New option.
4157         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4158         * testsuite/Makefile.in: Regenerate.
4159         * testsuite/icf_keep_unique_test.sh: New file.
4160         * testsuite/icf_keep_unique_test.cc: New file.
4161
4162 2009-08-12  Cary Coutant  <ccoutant@google.com>
4163
4164         PR 10471
4165         * resolve.cc (Symbol_table::resolve): Check for references from
4166         dynamic objects to hidden and internal symbols.
4167         * testsuite/Makefile.am (hidden_test.sh): New test.
4168         * testsuite/Makefile.in: Regenerate.
4169         * testsuite/hidden_test.sh: New script.
4170         * testsuite/hidden_test_1.c: New test source.
4171         * testsuite/hidden_test_main.c: New test source.
4172
4173 2009-08-11  Doug Kwan  <dougkwan@google.com>
4174
4175         * arm.cc: Update comments.
4176         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4177         segment to locate the .ARM.exidx section if present.
4178
4179 2009-08-09  Doug Kwan  <dougkwan@google.com>
4180
4181         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4182         patch.
4183
4184 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4185         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4186         compiler warnings.
4187
4188 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4189
4190         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4191         valid tls_segment only for non-debug-section relocations.
4192         * testsuite/Makefile.am: Add gc_tls_test.
4193         * testsuite/Makefile.in: Regenerate.
4194         * testsuite/gc_tls_test.cc: New file.
4195         * testsuite/gc_tls_test.sh: New file.
4196
4197 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4198         
4199         * icf.cc: New file.
4200         * icf.h: New file.
4201         * Makefile.am (CCFILES): Add icf.cc.
4202         (HFILES): Add icf.h
4203         * Makefile.in: Regenerate.
4204         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4205         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4206         section, symbol and addend information for the relocs.
4207         * gold.cc (queue_middle_tasks): Call identical code folding.
4208         * gold.h: Add defines for multimap.
4209         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4210         to the call of finalize_local_symbols.
4211         * main.cc (main): Create object of class Icf.
4212         * object.cc (Sized_relobj::do_layout): Allow this function to be
4213         called twice during icf.
4214         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4215         to sections marked as identical by icf.
4216         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4217         when available.
4218         (Sized_relobj::do_section_entsize): New function.
4219         * object.h (Object::section_entsize): New function.
4220         (Object::do_section_entsize): New pure virtual function.
4221         (Relobj::finalize_local_symbols): Add new parameter.
4222         (Relobj::do_section_entsize): New function.
4223         * options.h (General_options::icf): New option.
4224         (General_options::icf_iterations): New option.
4225         (General_options::print_icf_sections): New option.
4226         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4227         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4228         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4229         icf.
4230         * symtab.cc (Symbol_table::is_section_folded): New function.
4231         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4232         to sections marked as identical by icf.
4233         * symtab.h (Symbol_table::set_icf): New function.
4234         (Symbol_table::icf): New function.
4235         (Symbol_table::is_section_folded): New function.
4236         (Symbol_table::icf_): New data member.
4237         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4238         * testsuite/Makefile.am: Add commands to build icf_test.
4239         * testsuite/Makefile.in: Regenerate.
4240         * testsuite/icf_test.sh: New file.
4241         * testsuite/icf_test.cc: New file.
4242
4243 2009-07-24  Chris Demetriou  <cgd@google.com>
4244
4245         * layout.cc (is_compressible_debug_section): Fix incorrect
4246         comment about compressed section names.
4247
4248 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4249
4250         PR 10419
4251         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4252
4253 2009-07-16  Ian Lance Taylor  <iant@google.com>
4254
4255         PR 10400
4256         * layout.h: #include <map>.
4257         (class Kept_section): Change from struct to class.  Add accessors
4258         and setters.  Add section size to Comdat_group mapping.  Change
4259         Comdat_group to std::map.  Add is_comdat_ field.  Add
4260         linkonce_size field in union.
4261         (class Layout): Update declaration of find_or_add_kept_section.
4262         Don't declare find_kept_object.
4263         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4264         parameter.  Add object, shndx, is_comdat, and is_group_name
4265         parameters.  Change all callers.  Adjust for new Kept_section.
4266         (Layout::find_kept_object): Remove.
4267         * object.cc (Sized_relobj::include_section_group): Update use of
4268         Kept_section.  Rename secnum to shndx.  Only record
4269         Kept_comdat_section if sections are the same size.
4270         (Sized_relobj::include_linkonce_section): Update use of
4271         Kept_section.  Only record Kept_comdat_section if sections are the
4272         same size.  Set size of linkonce section.
4273         (Sized_relobj::map_to_kept_section): Update call to
4274         get_kept_comdat_section.
4275         * object.h (class Sized_relobj): Rename fields in
4276         Kept_comdat_section to drop trailing underscores; change object
4277         field to Relobj*.  Change Kept_comdat_section_table to store
4278         struct rather than pointer.
4279         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4280         Add kept_object and kept_shndx parameters.  Change all callers.
4281         (Sized_relobj::get_kept_comdat_section): Change return type to
4282         bool.  Add kept_object and kept_shndx parameters.  Change all
4283         callers.
4284         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4285         Layout::find_or_add_kept_section.
4286
4287 2009-07-09  Ian Lance Taylor  <iant@google.com>
4288
4289         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4290         Reserve space in the hash table.
4291
4292 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4293
4294         * fileread.cc (File_read::get_mtime): New method.
4295         * fileread.h (Timespec): New structure.
4296         (File_read::get_mtime): New method.
4297         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4298         Renamed from timestamp_nsec.
4299         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4300         Elf_Xword.
4301         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4302         timestamp_nsec.
4303         (Incremental_inputs::report_archive): Save mtime; style fix. 
4304         (Incremental_inputs::report_obejct): Save mtime; style fix.
4305         (Incremental_inputs::report_script): Save mtime; style fix.
4306         (Incremental_inputs::finalize_inputs): Style fix.
4307         (Incremental_inputs::finalize): Style fix.
4308         (Incremental_inputs::create_input_section_data): Store inputs
4309         mtime.
4310         * incremental.h (Incremental_inputs::report_script): Add mtime
4311         argument.
4312         (Incremental_inputs::Input_info::Input_info): Intialize only one
4313         union member.
4314         (Incremental_inputs::Input_info::archive): Move to nameless
4315         union.
4316         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4317         (Incremental_inputs::Input_info::script): Move to nameless union.
4318         (Incremental_inputs::mtime): New field.
4319         * script.cc (read_input_script): Pass file mtime to
4320         Incremental_input.
4321         * script.h (Script_info::inputs): Style fix.
4322
4323 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4324
4325         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4326         instead of 32.
4327
4328 2009-06-24  Ian Lance Taylor  <iant@google.com>
4329
4330         PR 10156
4331         * layout.cc (Layout::choose_output_section): If we find an
4332         existing section, update the flags.
4333         (Layout::create_notes): New function, broken out of
4334         Layout::finalize.
4335         (Layout::finalize): Don't create note sections.
4336         (Layout::create_note): Don't crash if linker script discards
4337         section.
4338         (Layout::create_gold_note): Likewise.
4339         (Layout::create_build_id): Likewise.  Don't set
4340         after_input_sections on the section.
4341         (Layout::create_executable_stack_info): Remove target parameter.
4342         Change caller.
4343         * layout.h (class Layout): Declare create_notes.  Update
4344         declaration of create_executable_stack_info.
4345         * gold.cc (queue_middle_tasks): Call create_notes.
4346         * output.cc (Output_section::update_flags_for_input_section): Move
4347         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4348         invalid.
4349         * output.h (Output_data::mark_address_invalid): New function.
4350         (class Output_section): Only declare, not define,
4351         update_flags_for_input_section.  Remove set_flags.
4352
4353 2009-06-24  Ian Lance Taylor  <iant@google.com>
4354
4355         * script-sections.cc (Output_section_definition::
4356         set_section_addresses): Rename shadowing local load_address to
4357         laddr.
4358
4359 2009-06-24  Ian Lance Taylor  <iant@google.com>
4360
4361         PR 10244
4362         * reloc.cc (relocate_sections): Skip empty relocation sections.
4363
4364 2009-06-23  Ian Lance Taylor  <iant@google.com>
4365
4366         PR 10156
4367         * layout.cc (Layout::create_note): Use choose_output_section
4368         rather than make_output_section.
4369
4370 2009-06-23  Ian Lance Taylor  <iant@google.com>
4371
4372         PR 10237
4373         * options.cc (General_options::parse_V): Set printed_version_.
4374         (General_options::General_options): Initialize printed_version_.
4375         * options.h (class General_options): Add printed_version_ field.
4376         * gold.cc (queue_initial_tasks): If there are no input files,
4377         don't give a fatal error if we printed the version information.
4378         (queue_middle_tasks): If using -r with a shared object, give a
4379         fatal error rather than an ordinary error.
4380
4381 2009-06-23  Ian Lance Taylor  <iant@google.com>
4382
4383         PR 10219
4384         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4385         (Layout::make_output_section): Set have_stabstr_section_ if we see
4386         a .stab*str section.
4387         (Layout::finalize): Call link_stabs_sections.
4388         (Layout::link_stabs_sections): New file.
4389         * layout.h (class Layout): Add have_stabstr_section_ field.
4390         Declare link_stabs_sections.
4391
4392 2009-06-23  Doug Kwan  <dougkwan@google.com>
4393
4394         * Makefile.am (libgold_a_LIBADD): New.
4395         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4396         * Makefile.in: Regenerate.
4397         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4398         * configure: Regenerate.
4399         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4400         * fileread.cc: Include sys/state.h
4401         * gold.h: Declare memmem and strndup if found missing.
4402         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4403
4404 2009-06-23  Ian Lance Taylor  <iant@google.com>
4405
4406         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4407         * configure: Rebuild.
4408
4409 2009-06-23  Ian Lance Taylor  <iant@google.com>
4410
4411         PR 10147
4412         * object.cc (Object::section_contents): Don't try to get a view if
4413         the section has length zero.
4414         (Object::handle_gnu_warning_section): If the section is empty, use
4415         the name of the section as the warning.
4416
4417 2009-06-23  Ian Lance Taylor  <iant@google.com>
4418
4419         PR 10133
4420         * stringpool.h (class Stringpool_template): Add optimize_ field.
4421         (Stringpool_template::set_optimize): New function.
4422         * stringpool.cc (Stringpool_template::Stringpool_template):
4423         Initialize optimize_ field.
4424         (Stringpool_template::set_string_offsets): Test local optimize
4425         fild rather than parameter.
4426         * layout.cc (Layout::Layout): Call set_optimize on the section
4427         name stringpool.
4428
4429 2009-06-22  Ian Lance Taylor  <iant@google.com>
4430
4431         PR 10030
4432         * yyscript.y: Parse TARGET.
4433         * script.cc (script_set_target): New function.
4434         * script-c.h (script_set_target): Declare.
4435         * options.cc (General_options::string_to_object_format): Rename
4436         from string_to_object_format in anonymous namespace.  Change
4437         callers.
4438         * options.h (class General_options): Declare
4439         string_to_object_format.
4440
4441 2009-06-22  Ian Lance Taylor  <iant@google.com>
4442
4443         * script-sections.cc (Script_sections::create_segments): Don't put
4444         program headers in a PT_LOAD segment if -n or -N.
4445
4446 2009-06-22  Ian Lance Taylor  <iant@google.com>
4447
4448         PR 10141
4449         * options.h (class General_options): Add -z lazy and -z now.  Sort
4450         -z options into alphabetical order.
4451         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4452
4453 2009-06-21  Ian Lance Taylor  <iant@google.com>
4454
4455         * layout.cc (Layout::make_output_section): Call
4456         Target::new_output_section.
4457         (Layout::attach_allocated_section_to_segment): Put large section
4458         sections in a separate load segment with the large segment flag
4459         set.
4460         (Layout::segment_precedes): Sort large data segments after other
4461         load segments.
4462         (align_file_offset): New static function.
4463         (Layout::set_segment_offsets): Use align_file_offset.
4464         * output.h (class Output_section): Add is_small_section_ and
4465         is_large_section_ fields.
4466         (Output_section::is_small_section): New function.
4467         (Output_section::set_is_small_section):  New function.
4468         (Output_section::is_large_section): New function.
4469         (Output_section::set_is_large_section): New function.
4470         (Output_section::is_large_data_section): New function.
4471         (class Output_segment): Add is_large_data_segment_ field.
4472         (Output_segment::is_large_data_segment): New function.
4473         (Output_segment::set_is_large_data_segment): New function.
4474         * output.cc (Output_section::Output_section): Initialize new
4475         fields.
4476         (Output_segment::Output_segment): Likewise.
4477         (Output_segment::add_output_section): Add assertion that large
4478         data sections always go in large data segments.  Force small data
4479         sections to the end of the list of data sections.  Force small BSS
4480         sections to the start of the list of BSS sections.  For large BSS
4481         sections to the end of the list of BSS sections.
4482         * symtab.h (class Symbol): Declare is_common_shndx.
4483         (Symbol::is_defined): Check Symbol::is_common_shndx.
4484         (Symbol::is_common): Likewise.
4485         (class Symbol_table): Define enum Commons_section_type.  Update
4486         declarations.  Add small_commons_ and large_commons_ fields.
4487         * symtab.cc (Symbol::is_common_shndx): New function.
4488         (Symbol_table::Symbol_table): Initialize new fields.
4489         (Symbol_table::add_from_object): Put small and large common
4490         symbols in the right list.
4491         (Symbol_table::sized_finalized_symbol): Check
4492         Symbol::is_common_shndx.
4493         (Symbol_table::sized_write_globals): Likewise.
4494         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4495         common symbol lists.  Don't call do_allocate_commons_list if the
4496         list is empty.
4497         (Symbol_table::do_allocate_commons_list): Remove is_tls
4498         parameter.  Add comons_section_type parameter.  Change all
4499         callers.  Handle small and large common symbols.
4500         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4501         Symbol::is_common_shndx.
4502         * resolve.cc (symbol_to_bits): Likewise.
4503         * target.h (Target::small_common_shndx): New function.
4504         (Target::small_common_section_flags): New function.
4505         (Target::large_common_shndx): New function.
4506         (Target::large_common_section_flags): New function.
4507         (Target::new_output_section): New function.
4508         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4509         small_common_section_flags, and large_common_section_flags
4510         fields.
4511         (Target::do_new_output_section): New virtual function.
4512         * arm.cc (Target_arm::arm_info): Initialize new fields.
4513         * i386.cc (Target_i386::i386_info): Likewise.
4514         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4515         Likewise.
4516         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4517         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4518         (Target_x86_64::do_new_output_section): New function.
4519         * configure.ac: Define conditional MCMODEL_MEDIUM.
4520         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4521         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4522         (large_LDFLAGS): Define.
4523         * testsuite/large.c: New file.
4524         * testsuite/testfile.cc (Target_test::test_target_info):
4525         Initialize new fields.
4526         * configure, testsuite/Makefile.in: Rebuild.
4527
4528 2009-06-05  Doug Kwan  <dougkwan@google.com>
4529
4530         * Makefile.am (CCFILES): Add target.cc.
4531         * Makefile.in: Regenerate. 
4532         * i386.cc (class Target_i386): Define new virtual method to
4533         override do_is_local_label_name in parent.
4534         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4535         local symbols if --discard-locals or -X is given.
4536         * options.h (class General_options): Declare new options
4537         '--discard-locals' and '-X' for discarding locals.
4538         * target.h (class Target): Define new methods is_local_label_name.
4539         Declare new virtual method do_is_local_label_name.
4540         * target.cc: New file.
4541         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4542         (check_SCRIPTS): Add discard_locals_test.sh.
4543         (check_DATA): Add discard_local_tests.syms.
4544         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4545         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4546         * testsuite/Makefile.in: Regenerate.
4547         * testsuite/discard_locals_test.c: New file.
4548         * testsuite/discard_locals_test.sh: Same.
4549
4550 2009-06-05  Doug Kwan  <dougkwan@google.com>
4551
4552         * object.cc (Sized_relobj::Sized_relobj): Initialize
4553         discarded_eh_frame_shndx_ to -1U.
4554         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4555         section.
4556         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4557         a discarded .eh_frame section.
4558         (Sized_relobj::do_finalize_local_symbols): Ditto.
4559         * object.h (class Sized_relobj): Declare new member
4560         discarded_eh_frame_shndx_.
4561         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4562         (local_labels_test.o, local_labels_test): New rules.
4563         * testsuite/Makefile.in: Regenerate.
4564
4565 2009-06-04  Doug Kwan  <dougkwan@google.com>
4566
4567         * layout.cc (Layout::section_name_mapping): Add mapping for
4568         special ARM sections.
4569
4570 2009-06-03  Doug Kwan  <dougkwan@google.com>
4571
4572         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4573         (utils::has_overflow): Same.
4574
4575 2009-06-03  Ian Lance Taylor  <iant@google.com>
4576
4577         * layout.cc (Layout::section_name_mapping): New array, replacing
4578         Layout::linkonce_mapping.
4579         (Layout::section_name_mapping_count): New variable, replacing
4580         Layout::linkonce_mapping_count.
4581         (Layout::linkonce_output_name): Remove.
4582         (Layout::output_section_name): Rewrite.
4583         * layout.h (class Layout): Rename Linkonce_mapping to
4584         Section_name_mapping, linkonce_mapping to section_name_mapping,
4585         linkonce_mapping_count to section_name_mapping_count.  Don't
4586         declare linkonce_output_name.
4587
4588 2009-06-03  Doug Kwan  <dougkwan@google.com>
4589
4590         * gold/arm.cc (namespace utils): New.
4591         (Target_arm::reloc_is_non_pic): Define new method.
4592         (class Arm_relocate_functions): New.
4593         (Target_arm::Relocate::relocate): Handle relocation types used by
4594         Android.
4595
4596 2009-06-03  Ian Lance Taylor  <iant@google.com>
4597
4598         * arm.cc (Target_arm::scan::global): Use || instead of |.
4599
4600 2009-06-02  Doug Kwan  <dougkwan@google.com>
4601
4602         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4603         issued_non_pic_error_.
4604         (class Target_arm::Scan): Declare new method check_non_pic.
4605         Define new method symbol_needs_plt_entry.
4606         Declare new data member issued_non_pic_error_.
4607         (class Target_arm::Relocate): Declare new method
4608         should_apply_static_reloc.
4609         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4610         (Target_arm::Scan::check_non_pic): Define new method.
4611         (Target_arm::Scan::local): Handle a small subset of reloc types used
4612         by Android.
4613         (Target_arm::Scan::local): Same.
4614         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4615
4616 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4617
4618         * incremental.cc (Incremental_inputs::report_command_line): Filter
4619         out --incremental-* options.
4620
4621 2009-05-29  Doug Kwan  <dougkwan@google.com>
4622
4623         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4624         template class.
4625         (class Target_arm): Update comment.
4626         (Target_arm::Target_arm): Initialize new data members GOT_,
4627         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4628         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4629         and Target_arm::rel_dyn_section.
4630         Declare new_enum Target_arm::Got_type.
4631         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4632         and DYNBSS_.
4633         Update commments for member do_dynsym_value.
4634         (Target_arm::got_size, Target_arm::plt_section,
4635         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4636         new methods inside class defintion.
4637         (Target_arm::got_section): Define new method.
4638         (Target_arm::rel_dyn_section): Same.
4639         (Output_data_plt_arm): New template class.
4640         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4641         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4642         (Output_data_plt_arm::add_entry): Same.
4643         (Output_data_plt_arm::first_plt_entry): Define new
4644         static data member for PLT instruction template.
4645         (Output_data_plt_arm::plt_entry): Same.
4646         (Output_data_plt_arm::do_write): Define new method.
4647         (Target_arm::make_plt_entry): Same.
4648         (Target_arm::do_finalize_sections): Same.
4649         (Target_arm::do_dynsym_value): Same.
4650
4651 2009-05-28  Doug Kwan  <dougkwan@google.com>
4652
4653         * Makefile.am (TARGETSOURCES): Add arm.cc.
4654         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4655         * Makefile.in: Regenerate.
4656         * arm.cc: New file.
4657         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4658
4659 2009-05-26  Doug Kwan  <dougkwan@google.com>
4660
4661         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4662         (General_options::check_excluded_libs): Strip off directories in
4663         archive name before matching like GNU ld does.
4664         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4665         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4666         (exclude_libs_test_LDFLAGS): Add linker option
4667         -Wl,--exclude-libs,libexclude_libs_test_3
4668         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4669         an explicit archive without using -l.
4670         (alt/libexclude_libs_test_3.a): New make rule.
4671         * testsuite/Makefile.in: Regenerate.
4672         * testsuite/exclude_libs_test.c : Declare lib3_default().
4673         (main): Call it.
4674         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4675         * exclude_libs_test_3.c: New file.
4676
4677 2009-05-26  Nick Clifton  <nickc@redhat.com>
4678
4679         * po/id.po: New Indonesian translation.
4680         * po/gold.pot: Updated template file.
4681
4682 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4683
4684         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4685         gc_comdat_test files.  Add -Wl,--gc-sections to build
4686         gc_comdat_test.
4687         * testsuite/Makefile.in: Regenerate.
4688         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4689
4690 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4691
4692         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4693         kept comdat section was garbage collected.
4694         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4695         * testsuite/Makefile.in: Regenerate.
4696         * testsuite/gc_comdat_test.sh: New file.
4697         * testsuite/gc_comdat_test_1.cc: New file.
4698         * testsuite/gc_comdat_test_2.cc: New file.
4699
4700 2009-05-19  Doug Kwan  <dougkwan@google.com>
4701
4702         * archive.cc (Archive::Archive): Move constructor from archive.h
4703         to here.  Initialize no_export_.
4704         (Archive::get_elf_object_for_member): Set no_export flag of object.
4705         * archive.h (Archive::Archive): Move constructor body to
4706         archive.cc.
4707         (Archive::no_export): New method.
4708         (Archive::no_export_): New field.
4709         * object.h (Object::Object): Initialize no_export_ to false.
4710         (Object::no_export, Object::set_no_export): New methods.
4711         (Object::no_export_): New field.
4712         * options.cc (General_options::parse_exclude_libs): New method.
4713         (General_options::check_excluded_libs) Same.
4714         * options.h (exclude_libs): New option.
4715         (General_options::check_excluded_libs): New method declaration.
4716         (General_options::excluded_libs_): New field.
4717         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4718         default or protected visibility if an object has no-export flag set.
4719         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4720         (check_SCRIPTS): Add exclude_libs_test.sh.
4721         (check_DATA): Add exclude_libs_test.syms.
4722         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4723         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4724         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4725         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4726         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4727         libexclude_libs_test_2.a): New rules.
4728         * testsuite/Makefile.in: Regenerate.
4729         * testsuite/exclude_libs_test.c: New file.
4730         * testsuite/exclude_libs_test.sh: Ditto.
4731         * testsuite/exclude_libs_test_1.c: Ditto.
4732         * testsuite/exclude_libs_test_2.c: Ditto.
4733
4734 2009-05-15  Ian Lance Taylor  <iant@google.com>
4735
4736         * configure.ac: Check for declarations for cases where libiberty.h
4737         checks HAVE_DECL_xxx.
4738         * configure, config.in: Rebuild.
4739
4740 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4741
4742         * gold.h (Incremental_argument_list): Remove (invalid) forward
4743         declaration.
4744         * incremental.cc (Incremental_inputs::report_achive): New method.
4745         (Incremental_inputs::report_object): New method.
4746         (Incremental_inputs::report_script): New method.
4747         (Incremental_inputs::finalize_inputs): New method.
4748         (Incremental_inputs::finalize): Call finalize_inputs().
4749         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4750         Create inputs entries.
4751         * incremental.h (Incremental_input_type): New enum.
4752         (Incremental_inputs::Incremental_input): Initialize new fields.
4753         (Incremental_inputs::report_inputs): New method.
4754         (Incremental_inputs::report_achive): New method.
4755         (Incremental_inputs::report_object): New method.
4756         (Incremental_inputs::report_script): New method.
4757         (Incremental_inputs::finalize_inputs): New method.
4758         (Incremental_inputs::Input_info): New struct.
4759         (Incremental_inputs::Input_info_map): New typedef.
4760         (Incremental_inputs::lock_): New field.
4761         (Incremental_inputs::Inputs_): New field.
4762         (Incremental_inputs::Inputs_map): New field.
4763         * main.cc (main): Call Incremental_input::report_inputs.
4764         * options.h (Input_argument_list): Typedef moved from
4765         Input_arguments.
4766         (Input_file_group::Files): Remove, use ::Input_argument_list.
4767         (Input_file_group::Input_argument_list): Remove, use
4768         ::Input_argument_list.
4769         * plugin.cc (Plugin_manager::add_input_file): Add error in
4770         incremental build.
4771         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4772         functions.
4773         * script.cc (read_input_script): Call
4774         Incremental_input::report_script.
4775         * script.h (Script_info): New class.
4776
4777 2009-04-27  Ian Lance Taylor  <iant@google.com>
4778
4779         * x86_64.cc (do_adjust_output_section): Set entsize to
4780         plt_entry_size.
4781
4782 2009-04-23  Elliott Hughes  <enh@google.com>
4783
4784         * output.cc (Output_file::close): After short writes, continue
4785         writing from the correct offset in the buffer being written.
4786
4787 2009-04-23  Chris Demetriou  <cgd@google.com>
4788
4789         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4790         * configure: Regenerate.
4791         * config.in: Regenerate.
4792         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4793         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4794
4795 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4796
4797         * incremental.cc (Incremental_inputs_header_data): Renamed from
4798         Incremental_input_header_data.
4799         (Incremental_inputs_header_data::data_size): New field.
4800         (Incremental_inputs_header_data::put_input_file_count): Renamed
4801         from input_file_count.
4802         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4803         from command_line_offset.
4804         (Incremental_inputs_header_data::put_reserved): Renamed from
4805         put_reserved.
4806         (Incremental_inputs_entry_data): Renamed from
4807         Incremental_input_entry_data.
4808         (Incremental_inputs_entry_data::data_size): New field.
4809         (Incremental_inputs::report_command_line): New method.
4810         (Incremental_inputs::finalize): New method.
4811         (Incremental_inputs::create_incremental_inputs_data): New method.
4812         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4813         * incremental.h: New file.
4814         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4815        (Layout::finalize): Create incremental inputs section in
4816         incremental builds.
4817        (Layout::create_incremental_info_sections): New method.
4818         * layout.h (Layout::incremental_inputs): New method.
4819        (Layout::create_incremental_info_sections): New method.
4820        (Layout::incremental_inputs_): New field.
4821         * main.cc (main): Notify Incremental_input of the command line.
4822
4823 2009-04-01  Ian Lance Taylor  <iant@google.com>
4824             Mikolaj Zalewski  <mikolajz@google.com>
4825
4826         * gold.h (reserve_unordered_map): Define, three versions, one for
4827         each version of Unordered_map.
4828         * layout.cc (Layout::Layout): Remove options parameter.  Add
4829         number_of_input_files parameter.  Don't initialize options_.
4830         Initialize number_of_input_files_ and resized_signatures_.  Move
4831         sections_are_attached_.
4832         (Layout::layout_group): Reserve space for group_signatures_.
4833         (Layout::find_or_add_kept_section): Change name parameter to be a
4834         reference.  Resize signatures_ map when it gets large enough.
4835         (Layout::layout_eh_frame): Use parameters->options() instead of
4836         this->options_.
4837         (Layout::make_output_section): Likewise.
4838         (Layout::attach_allocated_section_to_segment): Likewise.
4839         (Layout::finalize, Layout::create_executable_stack): Likewise.
4840         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4841         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4842         * layout.h (class Layout): Update declarations.  Remove options_
4843         field.  Add number_of_input_files_ and resized_signatures_
4844         fields.  Move sections_are_attached_ field.
4845         * main.cc (main): Pass number of input files to Layout
4846         constructor.  Don't pass options.
4847
4848 2009-03-30  Ian Lance Taylor  <iant@google.com>
4849
4850         * ffsll.c (ffsll): Correct implementation.
4851
4852 2009-03-27  Ian Lance Taylor  <iant@google.com>
4853
4854         * ffsll.c: New file.
4855         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4856         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4857         * ftruncate.c (ftruncate): Declare before definition.
4858         * mremap.c (mremap): Likewise.
4859         * pread.c (pread): Likewise.
4860         * configure, Makefile.in, config.in: Rebuild.
4861
4862         * mremap.c: New file.
4863         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4864         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4865         (mremap): Declare if HAVE_MREMAP is not defined.
4866         * configure, Makefile.in, config.in: Rebuild.
4867
4868 2009-03-27  Cary Coutant  <ccoutant@google.com>
4869
4870         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4871         position independent.
4872         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4873         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4874
4875 2009-03-24  Cary Coutant  <ccoutant@google.com>
4876
4877         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4878         an executable.
4879         (needs_dynamic_reloc): Likewise.
4880
4881 2009-03-24  Ian Lance Taylor  <iant@google.com>
4882
4883         * yyscript.y (file_cmd): Recognize EXTERN.
4884         (extern_name_list, extern_name_list_body): New nonterminals.
4885         * script.cc (script_add_extern): Define.
4886         * script-c.h (script_add_extern): Declare.
4887
4888 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4889
4890         * object.cc (is_elf_object): Define.
4891         * object.h (is_elf_object): Declare.
4892         * archive.cc (Archive::get_elf_object_for_member): Call
4893         is_elf_object.
4894         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4895
4896 2009-03-24  Elliott Hughes  <enh@google.com>
4897
4898         * output.cc (Output_file::map_anonymous): Define.
4899         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4900         try an anonymous one.  Report the size if the mmap fails.
4901         * output.h (class Output_file): Declare map_anonymous.
4902
4903 2009-03-24  Ian Lance Taylor  <iant@google.com>
4904
4905         * target-select.cc (instantiate_target): Don't acquire the lock if
4906         the instantiated_target_ field has already been set.
4907
4908 2009-03-23  Ian Lance Taylor  <iant@google.com>
4909
4910         * gold-threads.h (class Initialize_lock): Define.
4911         * gold-threads.cc (class Initialize_lock_once): Define.
4912         (initialize_lock_control): New static variable.
4913         (initialize_lock_pointer): New static variable.
4914         (initialize_lock_once): New static function.
4915         (Initialize_lock::Initialize_lock): Define.
4916         (Initialize_lock::initialize): Define.
4917         * target-select.h: Include "gold-threads.h".
4918         (class Target_selector): Add lock_ and initialize_lock_ fields.
4919         Don't define instantiate_target, just declare it.
4920         * target-select.cc (Target_selector::Target_selector): Initialize
4921         new fields.
4922         (Target_selector::instantiate_target): Define.
4923         * descriptors.h: Include "gold-threads.h".
4924         (class Descriptors): Add initialize_lock_ field.
4925         * descriptors.cc (Descriptors::Descriptors): Initialize new
4926         field.
4927         (Descriptors::open): Use initialize_lock_ field
4928         * errors.h (class Errors): Add initialize_lock_ field.
4929         * errors.cc (Errors::Errors): Initialize new field.
4930         (Errors::initialize_lock): Use initialize_lock_ field.
4931         * powerpc.cc (class Target_selector_powerpc): Remove
4932         instantiated_target_ field.  In do_recognize call
4933         instantiate_target rather than do_instantiate_target.  In
4934         do_instantiate_target just allocate a new target.
4935         * sparc.cc (class Target_selector_sparc): Likewise.
4936
4937         * freebsd.h: New file.
4938         * i386.cc: Include "freebsd.h".
4939         (Target_i386): Derive from Target_freebsd rather than
4940         Sized_target.
4941         (Target_selector_i386): Derive from Target_selector_freebsd rather
4942         than Target_selector.
4943         * x86_64.cc: Include "freebsd.h".
4944         (Target_x86_64): Derive from Target_freebsd rather than
4945         Sized_target.
4946         (Target_selector_x86_64): Derive from Target_selector_freebsd
4947         rather than Target_selector.
4948         * target.h (class Target): Add adjust_elf_header and
4949         do_adjust_elf_header.
4950         * output.cc (Output_file_header:: do_sized_write): Call target
4951         adjust_elf_header routine.
4952         * configure.tgt: Set targ_osabi.
4953         * configure.ac: Define GOLD_DEFAULT_OSABI.
4954         * parameters.cc (Parameters::default_target): Pass
4955         GOLD_DEFAULT_OSABI to select_target.
4956         * target-select.h (class Target_selector): Make instantiate_target
4957         protected rather than private.
4958         * Makefile.am (HFILES): Add freebsd.h.
4959         * configure, Makefile.in, config.in: Rebuild.
4960
4961         * merge.cc (do_add_input_section): Correct pend value.  Change
4962         message about last entry not being null terminated from error to
4963         warning.
4964
4965 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4966
4967         * incremental.cc: New file.
4968         * Makefile.am (CCFILES): Add incremental.cc.
4969         * Makefile.in: Rebuild.
4970
4971 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4972
4973         * layout.cc (Layout::output_section_name): Preserve names
4974         of '.note.' sections.
4975         
4976 2009-03-19  Ian Lance Taylor  <iant@google.com>
4977
4978         * descriptors.cc (Descriptors::open): Check that the options are
4979         valid before using them.
4980
4981 2009-03-18  Ian Lance Taylor  <iant@google.com>
4982
4983         * script-sections.h: Include <list>.
4984         (class Script_sections): Change Sections_elements from std::vector
4985         to std::list.  Typedef public Elements_iterator.  Add
4986         orphan_section_placement_, data_segment_align_start_, and
4987         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4988         field.
4989         * script-sections.cc (class Orphan_section_placement): New class.
4990         (class Sections_element): Add virtual functions is_relro and
4991         orphan_section_init.  Remove virtual function place_orphan_here.
4992         (class Output_section_definition): Add is_relro and
4993         orphan_section_init.  Remove place_orphan_here.
4994         (class Orphan_output_section): Likewise.
4995         (Script_sections::Script_sections): Update for field changes.
4996         (Script_sections::data_segment_align): Set saw_data_segment_align_
4997         and data_segment_align_start_, not data_segment_align_index.
4998         (Script_sections::data_segment_relro_end): Check
4999         saw_data_segment_align_.  Use data_segment_align_start_ rather
5000         than data_segment_align_index_.
5001         (Script_sections::place_orphan): Rewrite to use
5002         Orphan_section_placement.
5003
5004 2009-03-17  Ian Lance Taylor  <iant@google.com>
5005
5006         * archive.cc (Archive::add_symbols): Check for a version attached
5007         to the symbol name in the archive map.
5008         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5009         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5010         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5011         (ver_test_11.a): New target.
5012         * testsuite/Makefile.in: Rebuild.
5013
5014         * configure.ac: Check for chsize and posix_fallocate.  Replace
5015         ftruncate.
5016         * ftruncate.c: New file, from gnulib.
5017         * output.cc (posix_fallocate): Define dummy version if not
5018         HAVE_POSIX_FALLOCATE.
5019         (Output_file::map): Call posix_fallocate rather than lseek and
5020         write.
5021         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5022         * configure, Makefile.in, config.in: Rebuild.
5023
5024 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5025         
5026         * layout.h (Layout::create_note): Add section_name parameter.
5027         * layout.cc (Layout::create_note): Likewise.
5028         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5029         
5030 2009-03-17  Ian Lance Taylor  <iant@google.com>
5031
5032         * descriptors.cc: Include "options.h".
5033         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5034         (Descriptors::open): Always use O_CLOEXEC when opening a new
5035         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5036         then set FD_CLOEXEC.
5037
5038         * sparc.cc (class Target_sparc): Add has_got_section.
5039         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5040         make sure we have a GOT section.
5041
5042         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5043         (Target_sparc::Scan::local): Likewise.
5044         (Target_sparc::Scan::global): Likewise.
5045         (Target_sparc::Relocate::relocate): Likewise.
5046         (Target_sparc::Relocate::relocate_tls): Likewise.
5047
5048         * symtab.cc (Symbol_table::define_default_version): New function,
5049         broken out of add_from_object.
5050         (Symbol_table::add_from_object): Call define_default_version.
5051         (Symbol_table::define_special_symbol): Add resolve_oldsym
5052         parameter.  Change all callers.  If the version for a symbol comes
5053         from a version script, resolve it with the symbol with the same
5054         name with no version.  Also add the symbol without a version if
5055         appropriate.
5056         (do_define_in_output_data): If resolving with oldsym, don't delete
5057         sym.
5058         (do_define_in_output_segment): Likewise.
5059         (do_define_as_constant): Likewise.
5060         * symtab.h (class Symbol_table): Update declarations.
5061
5062 2009-03-13  Ian Lance Taylor  <iant@google.com>
5063
5064         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5065         (Read_symbols::requeue): New function.
5066         (Read_symbols::do_read_symbols): If make_elf_object fails because
5067         the target type is not configured, and the file was searched for,
5068         issue a warning and retry with the next directory.
5069         (Add_symbols::run): If the file has an incompatible format, and
5070         it was searched for, requeue the Read_symbols task.  On error,
5071         release the object.
5072         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5073         dirindex parameter to constructor.  Change all callers.  Declare
5074         incompatible_warning and requeue.
5075         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5076         input_argument_ and input_group_ fields.  Add them to
5077         constructor.  Change all callers.
5078         (class Read_script): Add dirindex_ field.  Add it to constructor.
5079         Change all callers.
5080         * archive.cc (Archive::setup): Remove input_objects parameter.
5081         Change all callers.
5082         (Archive::get_file_and_offset): Likewise.
5083         (Archive::read_all_symbols): Likewise.
5084         (Archive::read_symbols): Likewise.
5085         (Archive::get_elf_object_for_member): Remove input_objects
5086         parameter.  Add punconfigured parameter.  Change all callers.
5087         (Archive::add_symbols): Change return type to bool.  Check return
5088         value of include_member.
5089         (Archive::include_all_members): Likewise.
5090         (Archive::include_member): Change return type to bool.  Return
5091         false if first included object has incompatible target.  Set
5092         included_member_ field.
5093         (Add_archive_symbols::run): If add_symbols returns false, requeue
5094         Read_symbols task.
5095         * archive.h (class Archive): Add included_member_ field.
5096         Initialize it in constructor.  Add input_file and searched_for
5097         methods.  Update declarations.
5098         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5099         input_argument_ fields.  Add them to constructor.  Change all
5100         callers.
5101         * script.cc: Include "target-select.h".
5102         (class Parser_closure): Add skip_on_incompatible_target_ and
5103         found_incompatible_target_ fields.  Add
5104         skip_on_incompatible_target parameter to constructor.  Change all
5105         callers.  Add methods skip_on_incompatible_target,
5106         clear_skip_on_incompatible_target, found_incompatible_target, and
5107         set_found_incompatible_target.
5108         (read_input_script): Add dirindex parameter.  Change all callers.
5109         If parser finds an incompatible target, requeue Read_symbols
5110         task.
5111         (script_set_symbol): Clear skip_on_incompatible_target in
5112         closure.
5113         (script_add_assertion, script_parse_option): Likewise.
5114         (script_start_sections, script_add_phdr): Likewise.
5115         (script_check_output_format): New function.
5116         * script.h (read_input_script): Update declaration.
5117         * script-c.h (script_check_output_format): Declare.
5118         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5119         (ignore_cmd): Remove OUTPUT_FORMAT.
5120         * fileread.cc (Input_file::Input_file): Add explicit this.
5121         (Input_file::will_search_for): New function.
5122         (Input_file::open): Add pindex parameter.  Change all callers.
5123         * fileread.h (class Input_file): Add input_file_argument method.
5124         Declare will_search_for.  Update declarations.
5125         * object.cc (make_elf_object): Add punconfigured parameter.
5126         Change all callers.
5127         * object.h (class Object): Make input_file public.  Add
5128         searched_for method.
5129         (make_elf_object): Update declaration.
5130         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5131         restart search.
5132         * dirsearch.h (class Dirsearch): Update declaration.
5133         * options.h (class General_options): Add --warn-search-mismatch.
5134         * parameters.cc (Parameters::is_compatible_target): New function.
5135         * parameters.h (class Parameters): Declare is_compatible_target.
5136         * workqueue.cc (Workqueue::add_blocker): New function.
5137         * workqueue.h (class Workqueue): Declare add_blocker.
5138
5139         * fileread.cc (Input_file::open): Remove options parameter.
5140         Change all callers.
5141         (Input_file::open_binary): Likewise.
5142         * script.cc (read_input_script): Likewise.
5143         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5144         options parameter from constructor.  Change all callers.
5145         (class Read_script): Likewise.
5146         * fileread.h (class Input_file): Update declarations.
5147         * script.h (read_input_script): Update declaration.
5148
5149 2009-03-10  Nick Clifton  <nickc@redhat.com>
5150
5151         * po/es.po: New Spanish translation.
5152
5153 2009-03-06  Cary Coutant  <ccoutant@google.com>
5154
5155         * options.cc (parse_short_option): Keep dash_z from registering itself.
5156
5157 2009-03-03  Ian Lance Taylor  <iant@google.com>
5158
5159         PR 9918
5160         * target-reloc.h (relocate_section): Pass output_section to
5161         relocate.
5162         * i386.cc (Target_i386::should_apply_static_reloc): Add
5163         output_section parameter.  Change all callers.
5164         (Target_i386::Relocate::relocate): Add output_section parameter.
5165         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5166         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5167         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5168         * testsuite/two_file_shared.sh: New script.
5169         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5170         (check_DATA): Add two_file_shared.dbg.
5171         (two_file_shared.dbg): New target.
5172         * testsuite/Makefile.in: Rebuild.
5173
5174 2009-03-01  Ian Lance Taylor  <iant@google.com>
5175
5176         * configure.ac: Check for byteswap.h.
5177         * configure: Rebuild.
5178         * config.in: Rebuild.
5179
5180 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5181
5182         * layout.cc (Layout::find_or_add_kept_section): New function.
5183         (Layout::add_comdat): Removed.
5184         * layout.h (struct Kept_section): Move out of class Layout.
5185         Remove trailing underscores from field names.  Add group_sections
5186         field.  Rename group_ field to is_group.  Change all uses.
5187         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5188         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5189         comdat_groups_ field.
5190         (Sized_relobj::include_section_group): Use
5191         find_or_add_kept_section and Kept_section::group_sections.
5192         (Sized_relobj::include_linkonce_section): Likewise.
5193         * object.cc (class Sized_relobj): Don't define Comdat_group or
5194         Comdat_group_table.  Remove find_comdat_group and
5195         add_comdat_group.  Remove comdat_groups_ field.
5196         * plugin.cc (include_comdat_group): Use
5197         Layout::find_or_add_kept_section.
5198
5199 2009-02-28  Ian Lance Taylor  <iant@google.com>
5200
5201         * README: --gc-sections and map files are now supported.  Document
5202         some build requirements.
5203
5204         PR 6992
5205         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5206         relocatable link set the value of the section symbol to zero.
5207         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5208         relocatable link don't include the section address in the local
5209         symbol value.
5210
5211 2009-02-27  Ian Lance Taylor  <iant@google.com>
5212
5213         PR 6811
5214         * options.h (class Search_directory): Add is_system_directory.
5215         (class General_options): Declare is_in_system_directory.
5216         * options.cc (get_relative_sysroot): Make static.
5217         (get_default_sysroot): Make static.
5218         (General_optoins::is_in_system_directory): New function.
5219         * fileread.cc (Input_file::is_in_system_directory): New function.
5220         * fileread.h (class Input_file): Declare is_in_system_directory.
5221         * object.h (class Object): Add is_in_system_directory.
5222         (class Input_objects): Remove system_library_directory_ field.
5223         * object.cc (Input_objects::add_object): Don't set
5224         system_library_directory_.
5225         (input_objects::found_in_system_library_directory): Remove.
5226         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5227         parameter.  Change all callers.
5228         (Symbol_table::sized_write_globals): Likewise.
5229         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5230         Call Object::is_in_system_directory.
5231         * symtab.h (class Symbol_table): Update declarations.
5232
5233         PR 5990
5234         * descriptors.h (Open_descriptor): Add is_on_stack field.
5235         * descriptors.cc (Descriptors::open): If the descriptor is on the
5236         top of the stack, remove it.  Initialize is_on_stack field.
5237         (Descriptors::release): Only add pod to stack if it is not on the
5238         stack already.
5239         (Descriptors::close_some_descriptor): Clear stack_next and
5240         is_on_stack fields.
5241
5242         PR 7091
5243         * output.cc (Output_section::find_starting_output_address): Rename
5244         from starting_output_address; add PADDR parameter; change return
5245         type.
5246         * output.h (class Output_section): Declare
5247         find_starting_output_address instead of starting_output_address.
5248         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5249         section symbol for which we can't find a merge section.
5250
5251         PR 9836
5252         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5253         hidden or internal, force the symbol to be local.
5254         * resolve.cc (Symbol::override_visibility): Define.
5255         (Symbol::override_base): Use override_visibility.
5256         (Symbol_table::resolve): Likewise.
5257         (Symbol::override_base_with_special): Likewise.
5258         (Symbol_table::override_with_special): If the visibility is hidden
5259         or internal, force the symbol to be local.
5260         * symtab.h (class Symbol): Add set_visibility and
5261         override_visibility.
5262         * testsuite/ver_test_1.sh: New file.
5263         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5264         (check_DATA): Add ver_test_1.syms.
5265         (ver_test_1.syms): New target.
5266         * testsuite/Makefile.in: Rebuild.
5267
5268 2009-02-25  Cary Coutant  <ccoutant@google.com>
5269
5270         * layout.cc (Layout::choose_output_section): Don't rename sections
5271         when using a linker script that has a SECTIONS clause.
5272         * Makefile.in: Regenerate.
5273
5274         * testsuite/Makefile.am (script_test_5.sh): New test case.
5275         * testsuite/Makefile.in: Regenerate.
5276         * testsuite/script_test_5.cc: New file.
5277         * testsuite/script_test_5.sh: New file.
5278         * testsuite/script_test_5.t: New file.
5279
5280 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5281
5282         * archive.cc (Archive::include_member): Update calls to add_symbols.
5283         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5284         the Layout argument.
5285         * dynobj.h (do_add_symbols): Add the Layout argument.
5286         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5287         Layout argument.
5288         * object.h (Object::add_symbols): Add the Layout argument.
5289         (Object::do_add_symbols): Add the Layout argument.
5290         (Sized_relobj::do_add_symbols): Add the Layout argument.
5291         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5292         Unify the two versions.
5293         (Add_plugin_symbols): Remove.
5294         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5295         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5296         (Add_plugin_symbols): Remove.
5297         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5298         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5299         (Add_symbols::run): Make it work with Pulginobj.
5300
5301 2009-02-06  Ian Lance Taylor  <iant@google.com>
5302
5303         * object.cc (Sized_relobj::do_layout): Make info message start
5304         with lower case letter.
5305
5306 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5307
5308         * binary.cc: Fix file comment.
5309
5310         * options.h (enum Incremental_disposition): Define.
5311         (class General_options): Add new options: --incremental,
5312         --incremental_changed, --incremental_unchanged,
5313         --incremental_unknown.  Add incremental_disposition_ and
5314         implicit_incremental_ fields.
5315         (General_options::incremental_disposition): New function.
5316         (class Position_dependent_options): Add incremental_disposition
5317         option.
5318         (Position_dependent_options::copy_from_options): Set incremental
5319         dispositions.
5320         * options.cc (General_options::parse_incremental_changed): New
5321         function.
5322         (General_options::parse_incremental_unchanged): New function.
5323         (General_options::parse_incremental_unknown): New function.
5324         (General_options::General_options): Initialize new fields
5325         incremental_disposition_ and implicit_incremental_.
5326         (General_options::finalize): Check for uasge of --incremental-*
5327         without --incremental.
5328
5329 2009-02-06  Chris Demetriou  <cgd@google.com>
5330
5331         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5332         pointer and to report location as the file name associated with
5333         the symbol.
5334         (gold_undefined_symbol_at_location): New function to replace the
5335         old gold_undefined_symbol functionality.
5336         * target-reloc.h (relocate_section): Update to use
5337         gold_undefined_symbol_at_location.
5338         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5339         Call gold_undefined_symbol function rather than gold_error.
5340         * errors.h (Errors::undefined_symbol): Take location as a
5341         string, rather than calculating it from a relocation.
5342         * errors.cc (Errors::fatal): Print "fatal error:" before the
5343         formatted message.
5344         (Errors::error, Errors::error_at_location): Print "error: "
5345         before the formatted message.
5346         (Errors::undefined_symbol): Take location as a string, rather
5347         than calculating it from a relocation.
5348         (gold_undefined_symbol_at_location): New function akin to
5349         old gold_undefined_symbol, calculates location from relocation.
5350         (gold_undefined_symbol): Change to take only a Symbol pointer
5351         and to report location as the file name associated with the symbol.
5352         * testsuite/debug_msg.sh: Update for changed error messages.
5353         * testsuite/undef_symbol.sh: Likewise.
5354
5355 2009-02-04  Duncan Sands  <baldrick@free.fr>
5356
5357         PR 9812
5358         * reduced_debug_output.h
5359         (Output_reduced_debug_abbrev_section::failed): Use format for
5360         gold_warning.
5361         (Output_reduced_debug_info_section::faild): Likewise.
5362
5363 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5364
5365         * script.cc (Lazy_demangler): New class.
5366         (Version_script_info::get_symbol_version_helper): Demangle a
5367         symbol only once.
5368
5369 2009-01-29  Cary Coutant  <ccoutant@google.com>
5370
5371         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5372         to __tls_get_addr.
5373         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5374
5375 2009-01-28  Ian Lance Taylor  <iant@google.com>
5376
5377         * version.cc (version_string): Bump to 1.9.
5378
5379         * gold.h: Include <cstring> and <stdint.h>.
5380         * version.cc: Include <cstdio>.
5381         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5382         warning.
5383         * reduced_debug_output.cc (insert_into_vector): Rename from
5384         Insert_into_vector; change all callers.  Use Swap_unaligned to
5385         avoid aliasing issue; remove union since it is unnecessary.
5386
5387 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5388
5389         * Makefile.am (CCFILES): Add gc.cc.
5390         (HFILES): Add gc.h.
5391         * Makefile.in: Regenerate.
5392         * gold.cc (Gc_runner): New class.
5393         (queue_initial_tasks): Call garbage collection related tasks
5394         when corresponding options are invoked.
5395         (queue_middle_gc_tasks): New function.
5396         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5397         processed early before laying out sections during garbage collection.
5398         * gold.h (queue_middle_gc_tasks): New function.
5399         (is_prefix_of): Move from "layout.cc".
5400         * i386.cc (Target_i386::gc_process_relocs): New function.
5401         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5402         * main.cc (main): Create object of class "Garbage_collection".
5403         * object.cc (Relobj::copy_symbols_data): New function.
5404         (Relobj::is_section_name_included): New function.
5405         (Sized_relobj::do_layout): Allow this function to be called twice 
5406         during garbage collection and defer layout of section during the 
5407         first call.
5408         * object.h (Relobj::get_symbols_data): New function.
5409         (Relobj::is_section_name_included): New function.
5410         (Relobj::copy_symbols_data): New function.
5411         (Relobj::set_symbols_data): New function.
5412         (Relobj::get_relocs_data): New function.
5413         (Relobj::set_relocs_data): New function.
5414         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5415         (Relobj::gc_process_relocs): New function.
5416         (Relobj::do_gc_process_relocs): New pure virtual function.
5417         (Relobj::sd_): New data member.
5418         (Sized_relobj::is_output_section_offset_invalid): New function.
5419         (Sized_relobj::do_gc_process_relocs): New function.
5420         * options.h (General_options::gc_sections): Modify to not be a no-op.
5421         (General_options::print_gc_sections): New option.
5422         * plugin.cc (Plugin_finish::run): Remove function call to
5423         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5424         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5425         * reloc.cc (Read_relocs::run): Add task to process relocs and
5426         determine unreferenced sections when doing garbage collection.
5427         (Gc_process_relocs): New class.
5428         (Sized_relobj::do_gc_process_relocs): New function.
5429         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5430         sections that are garbage collected.
5431         * reloc.h (Gc_process_relocs): New class.
5432         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5433         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5434         symbols whose corresponding sections are garbage collected.
5435         (Symbol_table::Symbol_table): Add new parameter for the garbage
5436         collection object.
5437         (Symbol_table::gc_mark_undef_symbols): New function.
5438         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5439         (Symbol_table::gc_mark_dyn_syms): New function.
5440         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5441         as garbage.
5442         (Symbol_table::add_from_object): Likewise.
5443         (Symbol_table::add_from_relobj): When building shared objects, do not
5444         treat externally visible symbols as garbage.
5445         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5446         table information for static and relocatable links.
5447         * symtab.h (Symbol_table::set_gc): New function.
5448         (Symbol_table::gc): New function.
5449         (Symbol_table::gc_mark_undef_symbols): New function.
5450         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5451         (Symbol_table::gc_mark_dyn_syms): New function.
5452         (Symbol_table::gc_): New data member.
5453         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5454         function.
5455         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5456         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5457
5458 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5459
5460         * options.h (General_options::gc_sections): Define as a no-op for now.
5461         (General_options::no_keep_memory): Ditto.
5462         (General_options::Bshareable): Define.
5463         * options.cc (General_options::finalize): Honor -Bshareable.
5464
5465 2009-01-20  Andreas Schwab  <schwab@suse.de>
5466
5467         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5468         read the value in the contents, since we don't use it.  Use the
5469         template endianness when writing.
5470         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5471
5472 2009-01-19  Andreas Schwab  <schwab@suse.de>
5473
5474         * configure.tgt (powerpc64-*): Fix targ_obj.
5475
5476 2009-01-15  Ian Lance Taylor  <iant@google.com>
5477
5478         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5479         local symbols when stripping all symbols.
5480
5481 2009-01-14  Cary Coutant  <ccoutant@google.com>
5482
5483         * output.cc (Output_reloc): Add explicit instantiations.
5484
5485 2009-01-14  Cary Coutant  <ccoutant@google.com>
5486
5487         * archive.cc (Archive::get_elf_object_for_member): Remove call
5488         to File_read::claim_for_plugin.
5489         * descriptors.cc (Descriptors::open): Remove reference to
5490         is_claimed.
5491         (Descriptors::claim_for_plugin): Remove.
5492         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5493         (Descriptors::is_claimed): Remove.
5494         (claim_descriptor_for_plugin): Remove.
5495         * fileread.cc (File_read::claim_for_plugin): Remove.
5496         * fileread.h (File_read::claim_for_plugin): Remove.
5497         (File_read::descriptor): Reopen descriptor if necessary.
5498         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5499         (Plugin_manager::all_symbols_read): Add task parameter. Change
5500         all callers.
5501         (Plugin_manager::get_input_file): New function.
5502         (Plugin_manager::release_input_file): New function.
5503         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5504         corresponding data member.
5505         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5506         and pass to base constructor. Change all callers.
5507         (get_input_file, release_input_file): New functions.
5508         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5509         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5510         (Plugin_manager::all_symbols_read): Add task parameter.
5511         (Plugin_manager::get_input_file): New function.
5512         (Plugin_manager::release_input_file): New function.
5513         (Plugin_manager::task_): New data member.
5514         (Pluginobj::Pluginobj): Add filesize parameter.
5515         (Pluginobj::filename): New function.
5516         (Pluginobj::descriptor): New function.
5517         (Pluginobj::filesize): New function.
5518         (Pluginobj::filesize_): New data member.
5519         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5520         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5521         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5522
5523         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5524         with archive libraries.
5525         * testsuite/Makefile.in: Regenerate.
5526         * testsuite/plugin_test.c (struct sym_info): New type.
5527         (get_input_file, release_input_file): New static variables.
5528         (onload): Capture new transfer vector entries.
5529         (claim_file_hook): Stop reading at end of file according to filesize.
5530         Factor out parsing of readelf output into separate function.
5531         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5532         APIs and get the source file name from the symbol table.  Convert
5533         source file name to corresponding object file name.  Print info
5534         message when adding new input files.
5535         (parse_readelf_line): New function.
5536         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5537         * testsuite/plugin_test_2.sh: Likewise.
5538         * testsuite/plugin_test_3.sh: Likewise.
5539         * testsuite/plugin_test_4.sh: New test case.
5540
5541 2009-01-07  Ian Lance Taylor  <iant@google.com>
5542
5543         * version.cc (version_string): Bump to 1.8.
5544
5545 2008-12-23  Cary Coutant  <ccoutant@google.com>
5546
5547         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5548         * plugin.cc (Plugin_manager::finish): Rename as
5549         layout_deferred_objects.  Move cleanup to separate function.
5550         (Plugin_manager::cleanup): New function.
5551         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5552         separately.
5553         * plugin.h (Plugin_manager::finish): Rename as
5554         layout_deferred_objects.
5555         (Plugin_manager::cleanup): New function.
5556         (Plugin_manager::cleanup_done): New field.
5557
5558 2008-12-23  Cary Coutant  <ccoutant@google.com>
5559
5560         * plugin.cc (is_visible_from_outside): New function.
5561         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5562         so we don't return "IR only" status for exported symbols or -r links.
5563
5564         * testsuite/Makefile.am (plugin_test_3): New test case.
5565         * testsuite/Makefile.in: Regenerate.
5566         * testsuite/plugin_test_3.sh: New file.
5567
5568 2008-12-22  Cary Coutant  <ccoutant@google.com>
5569
5570         * object.cc (Sized_relobj::layout_section): New function.
5571         (Sized_relobj::do_layout): Defer layout of input sections until after
5572         plugin has provided replacement files.
5573         (Sized_relobj::do_layout_deferred_sections): New function.
5574         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5575         (Relobj::layout_deferred_sections): New function.
5576         (Relobj::do_layout_deferred_sections): New function.
5577         (Sized_relobj::do_layout_deferred_sections): New function.
5578         (Sized_relobj::layout_section): New function.
5579         (Sized_relobj::Deferred_layout): New structure.
5580         (Sized_relobj::deferred_layout_): New field.
5581         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5582         Change all callers.  Layout deferred sections.
5583         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5584         references.
5585         (Plugin_hook::run): Move code from do_plugin_hook inline.
5586         (Plugin_hook::do_plugin_hook): Remove.
5587         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5588         (Plugin_manager::finish): Renamed, was cleanup.
5589         (Plugin_manager::should_defer_layout): New function.
5590         (Plugin_manager::add_deferred_layout_object): New function.
5591         (Plugin_manager::Deferred_layout_list): New type.
5592         (Plugin_manager::deferred_layout_objects_): New field.
5593         (Plugin_hook::do_plugin_hook): Remove.
5594
5595 2008-12-17  Ian Lance Taylor  <iant@google.com>
5596
5597         * options.h (class General_options): Add --no case for
5598         --export-dynamic.
5599
5600 2008-12-16  Cary Coutant  <ccoutant@google.com>
5601
5602         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5603         vector.
5604         (Plugin_manager::claim_file): Create plugin object even if
5605         plugin did not call the add_symbols callback.
5606         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5607         asking for more symbols than were added.
5608         * testsuite/Makefile.am (plugin_test_1): Add test case with
5609         no global symbols.
5610         (empty.syms): New target.
5611         * testsuite/Makefile.in: Regenerate.
5612         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5613         message. Don't call add_symbols if no globals.
5614         (all_symbols_read_hook): Don't provide replacement for empty
5615         claimed file.
5616
5617 2008-12-12  Ian Lance Taylor  <iant@google.com>
5618
5619         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5620         r_type == 0 for a local symbol with r_sym == 0.
5621         (scan_relocatable_relocs): Pass r_sym to
5622         local_non_section_strategy.
5623         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5624         r_sym parameter.
5625
5626         * configure.ac: Update test for TLS descriptors: they are
5627         supported as of glibc 2.9.
5628         * configure: Rebuild.
5629
5630 2008-12-11  Ian Lance Taylor  <iant@google.com>
5631
5632         PR 7091
5633         * target-reloc.h (Default_scan_relocatable_relocs): For each
5634         function, map r_type == 0 to RELOC_DISCARD.
5635
5636 2008-12-10  Cary Coutant  <ccoutant@google.com>
5637
5638         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5639         object to override a kept COMDAT group from a plugin object.
5640
5641 2008-12-09  Ian Lance Taylor  <iant@google.com>
5642
5643         PR 7088
5644         * yyscript.y (file_cmd): Handle INPUT.
5645
5646         * testsuite/initpri1.c: Change all declarations to be full
5647         prototypes by adding void, to avoid compiler warnings.
5648
5649 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5650
5651         * options.cc (General_options::parse_plugin_opt): New.
5652         (General_options::add_plugin): The argument now is just the filename.
5653         (General_options::add_plugin_option): New.
5654         * options.h (plugin_opt): New.
5655         (add_plugin): Change argument name.
5656         (add_plugin_option): New.
5657         * plugin.cc (Plugin::load): Don't parse the plugin option.
5658         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5659         (Plugin::add_option): New.
5660         (Plugin::args_): Change type.
5661         (Plugin::filename_): New.
5662         (Plugin_manager::add_plugin_option): New.
5663         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5664         * testsuite/Makefile.in: Regenerate.
5665
5666 2008-12-05  Cary Coutant  <ccoutant@google.com>
5667
5668         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5669         Handle --strip-lto-sections option.
5670         * options.h (strip_lto_sections): New option.
5671
5672 2008-12-01  Cary Coutant  <ccoutant@google.com>
5673
5674         * plugin.cc (ld_plugin_message): Change format parameter to const.
5675         Fix mismatch between new[] and delete.
5676
5677 2008-11-14  Cary Coutant  <ccoutant@google.com>
5678
5679         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5680         instead of -1U.
5681
5682 2008-11-05  Craig Silverstein  <csilvers@google.com>
5683
5684         * options.cc (General_options::parse_dynamic_list): New function.
5685         * options.h (General_options): New flags dynamic_list,
5686         dynamic_list_data, dynamic_list_cpp_new, and
5687         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5688         (General_options::in_dynamic_list): New function.
5689         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5690         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5691         (Lex::can_continue_name): Likewise.
5692         (yylex): Likewise.
5693         (read_script_file): New parameter script_options.
5694         (read_dynamic_list): New function.
5695         (Script_options::define_dynamic_list): New function.
5696         (dynamic_list_keyword_parsecodes): New variable.
5697         (dynamic_list_keywords): New variable.
5698         * script.h (Script_options::define_dynamic_list): New function
5699         prototype.
5700         (read_dynamic_list): New function prototype.
5701         * symtab.cc (strprefix): New macro.
5702         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5703         dynamic_list_data, dynamic_list_cpp_new, and
5704         dynamic_list_cpp_typeinfo.
5705         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5706         (dynamic_list_expr): New rule.
5707         (dynamic_list_nodes): Likewise.
5708         (dynamic_list_node): Likewise.
5709         * testsuite/Makefile.am (dynamic_list): New test.
5710         * testsuite/Makefile.in: Regenerated.
5711         * testsuite/dynamic_list.t: New file.
5712         * testsuite/dynamic_list.sh: New file.
5713
5714 2008-11-05  Craig Silverstein  <csilvers@google.com>
5715
5716         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5717         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5718         (t11_last): Likewise.
5719         * testsuite/ver_test_6.c (main): Likewise.
5720
5721 2008-10-07  Cary Coutant  <ccoutant@google.com>
5722
5723         * options.c (General_options::finalize): Add check for -static and
5724         -shared.
5725         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5726         is not empty.
5727
5728 2008-10-02  Cary Coutant  <ccoutant@google.com>
5729
5730         * plugin.cc (make_sized_plugin_object): Fix conditional
5731         compilation to work when not all targets are enabled.
5732
5733 2008-09-29  Cary Coutant  <ccoutant@google.com>
5734
5735         * archive.cc (Archive::get_file_and_offset): Use filename instead
5736         of name to get library path.
5737         (Archive::include_member): Unlock external member of a thin archive.
5738
5739         * testsuite/Makefile.am (TEST_AR): New variable.
5740         (thin_archive_test_1): New test.
5741         (thin_archive_test_2): New test.
5742         * testsuite/Makefile.in: Regenerate.
5743         * testsuite/thin_archive_main.cc: New file.
5744         * testsuite/thin_archive_test_1.cc: New file.
5745         * testsuite/thin_archive_test_2.cc: New file.
5746         * testsuite/thin_archive_test_3.cc: New file.
5747         * testsuite/thin_archive_test_4.cc: New file.
5748
5749 2008-09-29  Cary Coutant  <ccoutant@google.com>
5750
5751         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5752         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5753         instead of -1U.
5754         (Sized_relobj::do_finalize_local_symbols): Likewise.
5755         (Sized_relobj::map_to_kept_section): Likewise.
5756         * object.h (Sized_relobj::invalid_address): New constant.
5757         (Sized_relobj::do_output_section_offset): Check for invalid_address
5758         and return -1ULL.
5759         * output.cc (Output_reloc::local_section_offset): Use constant
5760         invalid_address instead of -1U.
5761         (Output_reloc::get_address): Likewise.
5762         (Output_section::output_address): Change -1U to -1ULL.
5763         * output.h (Output_reloc::invalid_address): New constant.
5764         * reloc.cc (Sized_relobj::write_sections): Use constant
5765         invalid_address instead of -1U.
5766         (Sized_relobj::relocate_sections): Likewise.
5767         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5768         values for merge sections.
5769         * target-reloc.h (relocate_for_relocatable): Use constant
5770         invalid_address instead of -1U.
5771
5772 2008-09-19  Cary Coutant  <ccoutant@google.com>
5773
5774         Add plugin functionality for link-time optimization (LTO).
5775         * configure.ac (plugins): Add --enable-plugins option.
5776         * configure: Regenerate.
5777         * config.in: Regenerate.
5778         * Makefile.am (LIBDL): New variable.
5779         (CCFILES): Add plugin.cc.
5780         (HFILES): Add plugin.h.
5781         (ldadd_var): Add LIBDL.
5782         * Makefile.in: Regenerate.
5783
5784         * archive.cc: Include "plugin.h".
5785         (Archive::setup): Don't preread archive symbols when using a plugin.
5786         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5787         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5788         files.
5789         (Archive::include_member): Add symbols from plugin objects.
5790         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5791         * descriptors.cc (Descriptors::open): Check for file descriptors
5792         abandoned by plugins.
5793         (Descriptors::claim_for_plugin): New function.
5794         * descriptors.h (Descriptors::claim_for_plugin): New function.
5795         (Open_descriptor::is_claimed): New field.
5796         (claim_descriptor_for_plugin): New function.
5797         * fileread.cc (File_read::claim_for_plugin): New function.
5798         * fileread.h (File_read::claim_for_plugin): New function.
5799         (File_read::descriptor): New function.
5800         * gold.cc: Include "plugin.h".
5801         (queue_initial_tasks): Add task to call plugin hooks for generating
5802         new object files.
5803         * main.cc: Include "plugin.h".
5804         (main): Load plugin libraries.
5805         * object.h (Pluginobj): Declare.
5806         (Object::pluginobj): New function.
5807         (Object::do_pluginobj): New function.
5808         (Object::set_target): New function.
5809         * options.cc: Include "plugin.h".
5810         (General_options::parse_plugin): New function.
5811         (General_options::General_options): Initialize plugins_ field.
5812         (General_options::add_plugin): New function.
5813         * options.h (Plugin_manager): Declare.
5814         (General_options): Add --plugin option.
5815         (General_options::has_plugins): New function.
5816         (General_options::plugins): New function.
5817         (General_options::add_plugin): New function.
5818         (General_options::plugins_): New field.
5819         * plugin.cc: New file.
5820         * plugin.h: New file.
5821         * readsyms.cc: Include "plugin.h".
5822         (Read_symbols::do_read_symbols): Check for archive before checking
5823         for ELF file.  Call plugin hooks to claim files.
5824         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5825         from a real object file; force override when processing replacement
5826         files.
5827         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5828         (Symbol::init_base_object): Likewise.
5829         (Symbol::init_base_output_data): Likewise.
5830         (Symbol::init_base_output_segment): Likewise.
5831         (Symbol::init_base_constant): Likewise.
5832         (Symbol::init_base_undefined): Likewise.
5833         (Symbol::output_section): Assert that object is not a plugin.
5834         (Symbol_table::add_from_pluginobj): New function.
5835         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5836         undefined.
5837         (Symbol_table::sized_write_globals): Likewise.
5838         (Symbol_table::add_from_pluginobj): Instantiate template.
5839         * symtab.h (Sized_pluginobj): Declare.
5840         (Symbol::in_real_elf): New function.
5841         (Symbol::set_in_real_elf): New function.
5842         (Symbol::in_real_elf_): New field.
5843         (Symbol_table::add_from_pluginobj): New function.
5844
5845         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5846         (LIBDL): New variable.
5847         (LDADD): Add LIBDL.
5848         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5849         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5850         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5851         (MOSTLYCLEANFILES): Likewise.
5852         * testsuite/Makefile.in: Regenerate.
5853         * testsuite/plugin_test.c: New file.
5854         * testsuite/plugin_test_1.sh: New file.
5855         * testsuite/plugin_test_2.sh: New file.
5856
5857 2008-09-16  Ian Lance Taylor  <iant@google.com>
5858
5859         * target-reloc.h (relocate_section): Check whether a symbol is
5860         defined by the ABI before reporting an undefined symbol error.
5861         * target.h (Target::is_defined_by_abi): Make parameter const.
5862         (Target::do_is_defined_by_abi): Likewise.
5863         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5864         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5865         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5866         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5867         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5868         * testsuite/Makefile.in: Rebuild.
5869
5870         * fileread.cc (make_view): Add casts to avoid warning.
5871
5872 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5873
5874         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5875         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5876
5877 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5878
5879         * options.h (General_options::output_is_executable): New.
5880         (General_options::output_is_pie): New.
5881         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5882         for shared libraries.
5883         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5884
5885 2008-09-11  Chris Demetriou  <cgd@google.com>
5886
5887         * options.h (origin): New -z option.
5888         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5889         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5890         in DT_FLAGS_1.
5891
5892 2008-09-05  Cary Coutant  <ccoutant@google.com>
5893
5894         * fileread.cc (File_read::make_view): Add check for attempt to map
5895         beyond end of file.
5896
5897 2008-09-05  Cary Coutant  <ccoutant@google.com>
5898
5899         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5900         explicit instantiations.
5901
5902 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5903
5904         PR gold/6858
5905         * options.cc (General_options::finalize): Allow undefined symbols
5906         in shlibs if linking -shared.
5907
5908         PR gold/6859
5909         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5910         symbols as not needing a dynsym entry.
5911
5912 2008-08-20  Craig Silverstein  <csilvers@google.com>
5913
5914         * fileread.cc (File_read::open): Do not lock the file unless it
5915         was successfully opened.
5916
5917 2008-08-14  Cary Coutant  <ccoutant@google.com>
5918
5919         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5920         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5921         * testsuite/tls_test.cc (struct int128): 128-bit struct
5922         for testing TLS relocs with non-zero addend.
5923         (v12): New TLS variable.
5924         (t12): New test.
5925         (t_last): Add check for v12.
5926         * testsuite/tls_test.h (t12): New function.
5927         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5928
5929 2008-08-13  Ian Lance Taylor  <iant@google.com>
5930
5931         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5932         set tls_segment_ or relro_segment_.
5933         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5934         when appropriate.
5935         * output.h (Output_section::clear_is_relro): New function.
5936         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5937         sections specially even when output_data_ is empty.
5938         (Output_segment::maximum_alignment): When first section is relro,
5939         only force alignment for PT_LOAD segments.
5940         * script.cc (script_data_segment_align): New function.
5941         (script_data_segment_relro_end): New function.
5942         * script-c.h (script_data_segment_align): Declare.
5943         (script_data_segment_relro_end): Declare.
5944         * script-sections.h (class Script_sections): Declare
5945         data_segment_align and data_segment_relro_end.  Add fields
5946         segment_align_index_ and saw_relro_end_.
5947         * script-sections.cc (class Sections_element): Add set_is_relro
5948         virtual function.  Add new bool* parameter to place_orphan_here.
5949         Add get_output_section virtual function.
5950         (class Output_section_definition): Add set_is_relro.  Add new
5951         bool* parameter to place_orphan_here.  Add get_output_section.
5952         Add is_relro_ field.
5953         (Output_section_definition::Output_section_definition): Initialize
5954         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5955         and is_relro_ fields.
5956         (Output_section_definition::place_orphan_here): Add is_relro
5957         parameter.
5958         (Output_section_definition::set_section_addresses): Set relro for
5959         output section.
5960         (Output_section_definition::alternate_constraint): Likewise.
5961         (class Orphan_output_section): Add new bool* parameter to
5962         place_orphan_here.  Add get_output_section.
5963         (Orphan_output_section::place_orphan_here): Add is_relro
5964         parameter.
5965         (Script_sections::Script_sections): Initialize
5966         data_segment_align_index_ and saw_relro_end_.
5967         (Script_sections::data_segment_align): New function.
5968         (Script_sections::data_segment_relro_end): New function.
5969         (Script_sections::place_orphan): Set or clear is_relro.
5970         (Script_sections::set_section_addresses): Force alignment of first
5971         TLS section.
5972         * yyscript.y (exp): Call script_data_segment_align and
5973         script_data_segment_relro_end.
5974         * testsuite/relro_script_test.t: New file.
5975         * testsuite/relro_test.cc (using_script): Declare.
5976         (t1, t2): Test using_script.
5977         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5978         (relro_script_test_SOURCES): Define.
5979         (relro_script_test_DEPENDENCIES): Define.
5980         (relro_script_test_LDFLAGS): Define.
5981         (relro_script_test_LDADD): Define.
5982         (relro_script_test.so): New target.
5983         * testsuite/Makefile.in: Rebuild.
5984
5985 2008-08-06  Cary Coutant <ccoutant@google.com>
5986
5987         * archive.cc (Archive::total_archives, Archive::total_members)
5988         (Archive::total_members_loaded): New variables.
5989         (Archive::setup): Add parameter.  Add option to preread
5990         archive symbols.
5991         (Archive::read_armap): Add counter.
5992         (Archive::get_file_and_offset): New function.
5993         (Archive::get_elf_object_for_member): New function.
5994         (Archive::read_all_symbols): New function.
5995         (Archive::read_symbols): New function.
5996         (Archive::add_symbols): Add counters.
5997         (Archive::include_all_members): Use armap to find members if it's
5998         already built.
5999         (Archive::include_member): Skip reading symbols if already read.
6000         Factored code into Archive::get_file_and_offset and
6001         Archive::get_elf_object_for_member.  Changed call to
6002         Mapfile::report_include_archive_member.
6003         (Archive::print_stats): New function.
6004         * archive.h: Declare Object and Read_symbols_data classes.
6005         (Archive::Archive): Add initializers for new members.
6006         (Archive::setup): Add parameter.
6007         (Archive::print_stats): New function.
6008         (Archive::total_archives, Archive::total_members)
6009         (Archive::total_members_loaded): New variables.
6010         (Archive::get_file_and_offset): New function.
6011         (Archive::get_elf_object_for_member): New function.
6012         (Archive::read_all_symbols): New function.
6013         (Archive::read_symbols): New function.
6014         (Archive::Archive_member): New class.
6015         (Archive::members_): New member.
6016         (Archive::num_members_): New member.
6017         * main.cc: Include archive.h.
6018         (main): Call Archive::print_stats.
6019         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6020         archive parameter; member_name is now the fully-decorated name.
6021         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6022         * options.h: (General_options): Add --preread-archive-symbols option.
6023         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6024         Archive::setup.
6025
6026 2008-08-04  Ian Lance Taylor  <iant@google.com>
6027
6028         * symtab.h (Symbol::use_plt_offset): New function.
6029         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6030         * powerpc.cc (Relocate::relocate): Likewise.
6031         * sparc.cc (Relocate::relocate): Likewise.
6032         * x86_64.cc (Relocate::relocate): Likewise.
6033         * testsuite/weak_plt.sh: New test.
6034         * testsuite/weak_plt_main.cc: New test.
6035         * testsuite/weak_plt_shared.cc: New test.
6036         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6037         (check_PROGRAMS): Add weak_plt.
6038         (check_DATA): Add weak_plt_shared.so.
6039         (weak_plt_main_pic.o, weak_plt): New targets.
6040         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6041         * testsuite/Makefile.in: Rebuild.
6042
6043         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6044         gcctestdir/ld.
6045         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6046         * testsuite/Makefile.in: Rebuild.
6047
6048 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6049
6050         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6051         * Makefile.in: Regenerate.
6052         * po/POTFILES.in: Regenerate.
6053
6054 2008-07-29  Ian Lance Taylor  <iant@google.com>
6055
6056         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6057         symbols before other symbols.
6058         * testsuite/script_test_2.cc (test_addr): Declare.
6059         (test_addr_alias): Declare.
6060         (main): Check that test_addr and test_addr_alias have the right
6061         values.
6062         * testsuite/script_test_2.t: Define test_addr_alias and
6063         test_addr.
6064
6065 2008-07-24  Ian Lance Taylor  <iant@google.com>
6066
6067         PR 5990
6068         * descriptors.cc: New file.
6069         * descriptors.h: New file.
6070         * gold-threads.h (class Hold_optional_lock): New class.
6071         * fileread.cc: Include "descriptors.h".
6072         (File_read::~File_read): Release descriptor rather than closing
6073         it.
6074         (File_read::open) [file]: Call open_descriptor rather than open.
6075         Set is_descriptor_opened_.
6076         (File_read::open) [memory]: Assert that descriptor is not open.
6077         (File_read::reopen_descriptor): New function.
6078         (File_read::release): Release descriptor.
6079         (File_read::do_read): Make non-const.  Reopen descriptor.
6080         (File_read::read): Make non-const.
6081         (File_read::make_view): Reopen descriptor.
6082         (File_read::do_readv): Likewise.
6083         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6084         Update declarations.
6085         * layout.cc: Include "descriptors.h".
6086         (Layout::create_build_id): Use open_descriptor rather than open.
6087         * output.cc: Include "descriptors.h".
6088         (Output_file::open): Use open_descriptor rather than open.
6089         * archive.cc (Archive::const_iterator): Change Archive to be
6090         non-const.
6091         (Archive::begin, Archive::end): Make non-const.
6092         (Archive::count_members): Likewise.
6093         * archive.h (class Archive): Update declarations.
6094         * object.h (Object::read): Make non-const.
6095         * Makefile.am (CCFILES): Add descriptors.cc.
6096         (HFILES): Add descriptors.h.
6097         * Makefile.in: Rebuild.
6098
6099         PR 6716
6100         * gold.h: Always include <clocale>.  Add Solaris workarounds
6101         following code in binutils/sysdep.h.
6102
6103         PR 6048
6104         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6105         this->eh_frame_hdr_ is NULL before using it.
6106
6107         * dynobj.cc (Versions::Versions): Update comment.
6108
6109         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6110         the base version name.
6111
6112         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6113         array size plus one.
6114         (Stringpool_template::set_string_offsets): Subtract one from key
6115         before using it as an array index.
6116         (Stringpool_template::get_offset_with_length): Likewise.
6117         (Stringpool_template::write_to_buffer): Likewise.
6118         * stringpool.h (Stringpool_template::get_offset_from_key):
6119         Likewise.
6120
6121 2008-07-23  Ian Lance Taylor  <iant@google.com>
6122
6123         PR 6658
6124         * object.h (Merged_symbol_value::value): Do our best to handle a
6125         negative addend.
6126
6127         PR 6647
6128         * script.cc (Version_script_info::get_versions): Don't add empty
6129         version tag to return value.
6130         (Version_script_info::get_symbol_version_helper): Change return
6131         type to bool.  Add pversion parameter.  Change all callers.
6132         (script_register_vers_node): Don't require a non-NULL tag.
6133         * script.h (class Version_script_info): Update declarations.
6134         (Version_script_info::get_symbol_version): Change return type to
6135         bool.  Add version parameter.  Change all callers.
6136         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6137         handling.  Handle an empty version from a version script.
6138         (Symbol_table::define_special_symbol): Likewise.
6139         * testsuite/ver_test_10.script: New file.
6140         * testsuite/ver_test_10.sh: New file.
6141         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6142         (check_DATA): Add ver_test_10.syms.
6143         (ver_test_10.syms, ver_test_10.so): New target.
6144         * testsuite/Makefile.in: Rebuild.
6145
6146 2008-07-23  Simon Baldwin  <simonb@google.com>
6147
6148         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6149         to zero for undefined symbols from dynamic libraries.
6150
6151 2008-07-23  Ian Lance Taylor  <iant@google.com>
6152
6153         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6154         Change all callers.
6155         * symtab.h (class Symbol_table): Update declaration.
6156         * testsuite/ver_test_9.cc: New file.
6157         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6158         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6159         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6160         (ver_test_9.so, ver_test_9.o): New targets.
6161         * testsuite/Makefile.in: Rebuild.
6162
6163 2008-07-22  Ian Lance Taylor  <iant@google.com>
6164
6165         * options.h (class General_options): Define --check-sections.
6166         * layout.cc (Layout::set_segment_offsets): Handle
6167         --check-sections.
6168
6169         * options.h (class General_options): Define -n/--nmagic and
6170         -N/--omagic.
6171         * options.cc (General_options::finalize): For -n/--nmagic or
6172         -N/--omagic, set -static.
6173         * layout.cc (Layout::attach_allocated_section_to_segment): If
6174         -N/--omagic, don't put read-only and read-write sections in
6175         different segments.
6176         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6177         finding a read-only segment.
6178         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6179         don't set the minimum segment alignment to the common page size,
6180         and don't set the file offset to the address modulo the page size.
6181         * script-sections.cc (Script_sections::create_segments): If
6182         -n/--omagic, don't put read-only and read-write sections in
6183         different segments.
6184
6185         * cref.cc: New file.
6186         * cref.h: New file.
6187         * options.h (class General_options): Add --print-symbol-counts.
6188         * main.cc (main): Issue defined symbol report if requested.
6189         * archive.cc (Archive::interpret_header): Make into a const member
6190         function.
6191         (Archive::add_symbols): Call Input_objects::archive_start and
6192         archive_stop.
6193         (Archive::const_iterator): Define new class.
6194         (Archive::begin, Archive::end): New functions.
6195         (Archive::include_all_members): Rewrite to use iterator.
6196         (Archive::count_members): New function.
6197         * archive.h (class Archive): Update declarations.
6198         (Archive::filename): New function.
6199         * object.cc: Include "cref.h".
6200         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6201         (Sized_relobj::do_get_global_symbol_counts): New function.
6202         (Input_objects::add_object): Add object to cross-referencer.
6203         (Input_objects::archive_start): New function.
6204         (Input_objects::archive_stop): New function.
6205         (Input_objects::print_symbol_counts): New function.
6206         * object.h: Declare Cref and Archive.
6207         (Object::get_global_symbol_counts): New function.
6208         (Object::do_get_global_symbol_counts): New pure virtual function.
6209         (class Sized_relobj): Add defined_count_ field.  Update
6210         declarations.
6211         (class Input_objects): Add cref_ field.  Update constructor.
6212         Update declarations.
6213         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6214         defined_count_.
6215         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6216         symbol counts.
6217         (Sized_dynobj::do_get_global_symbol_counts): New function.
6218         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6219         defined_count_.  Update declarations.  Define Symbols typedef.
6220         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6221         parameter.  Change all callers.
6222         (Symbol_table::add_from_dynobj): Add sympointers and defined
6223         parameters.  Change all callers.
6224         * symtab.h (class Symbol_table): Update declarations.
6225         * Makefile.am (CCFILES): Add cref.cc.
6226         (HFILES): Add cref.h.
6227         * Makefile.in: Rebuild.
6228
6229 2008-07-22  Simon Baldwin  <simonb@google.com>
6230
6231         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6232         to zero when writing undefined symbols.
6233
6234 2008-07-22  Ian Lance Taylor  <iant@google.com>
6235
6236         * output.cc (Output_section::add_input_section): Don't try to
6237         merge empty merge sections.
6238
6239 2008-07-21  Craig Silverstein  <csilvers@google.com>
6240
6241         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6242         Include symbol version in error message.
6243
6244 2008-07-20  Chris Demetriou  <cgd@google.com>
6245
6246         * configure.ac (gold_cv_c_random_seed): New configured variable.
6247         (RANDOM_SEED_CFLAGS): New substituted variable.
6248         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6249         * configure: Rebuild.
6250         * Makefile.in: Likewise.
6251         * testsuite/Makefile.in: Likewise.
6252
6253 2008-07-18  Ian Lance Taylor  <iant@google.com>
6254
6255         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6256         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6257         * testsuite/ver_test_main.cc (main): Call t4.
6258         (t4, t4_2a): Define.
6259         * testsuite/ver_test_2.cc (t4_2): Define.
6260         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6261         * testsuite/ver_test_4.cc (t4_2a): Define.
6262         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6263         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6264
6265 2008-07-17  Ian Lance Taylor  <iant@google.com>
6266
6267         * dynobj.cc (Versions::add_def): If we give an error about a
6268         missing version, go ahead and create the version anyhow.
6269
6270 2008-07-10  Ian Lance Taylor  <iant@google.com>
6271
6272         Handle output sections with more than 0x7fffffff bytes.
6273         * object.h (class Relobj): Change map_to_output_ to
6274         output_sections_, and just keep a section pointer.  Change all
6275         uses.  Move comdat group support to Sized_relobj.
6276         (Relobj::is_section_specially_mapped): Remove.
6277         (Relobj::output_section): Remove poff parameter.  Change all
6278         callers.
6279         (Relobj::output_section_offset): New function.
6280         (Relobj::set_section_offset): Rewrite.
6281         (Relobj::map_to_output): Remove.
6282         (Relobj::output_sections): New function.
6283         (Relobj::do_output_section_offset): New pure virtual function.
6284         (Relobj::do_set_section_offset): Likewise.
6285         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6286         group support from Relobj.  Update declarations.
6287         (Sized_relobj::get_output_section_offset): New function.
6288         (Sized_relobj::do_output_section_offset): New function.
6289         (Sized_relobj::do_set_section_offset): New function.
6290         * object.cc (Relobj::output_section_address): Remove.
6291         (Sized_relobj::Sized_relobj): Initialize new fields.
6292         (Sized_relobj::include_section_group): Cast find_kept_object to
6293         Sized_relobj.
6294         (Sized_relobj::include_linkonce_section): Likewise.
6295         (Sized_relobj::do_layout): Use separate arrays for output section
6296         and output offset.
6297         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6298         output_sections.
6299         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6300         output_sections and section_offsets.
6301         (Sized_relobj::write_local_symbols): Likewise.
6302         (map_to_kept_section): Compute output address directly.
6303         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6304         output_sections and section_offsets.
6305         (Sized_relobj::write_sections): Likewise.
6306         (Sized_relobj::relocate_sections): Likewise.
6307         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6308         * output.h (class Output_reloc): Update declarations.  Change
6309         u2_.relobj to Sized_relobj*.
6310         (class Output_data_reloc): Change add functions to use
6311         Sized_relobj*.
6312         * output.cc (Output_reloc::Output_reloc): Change relobj to
6313         Sized_relobj*.
6314         (Output_reloc::local_section_offset): Change return type to
6315         Elf_Addr.  Use get_output_section_offset.
6316         (Output_reloc::get_address): Likewise.
6317         (Output_section::is_input_address_mapped): Don't call
6318         is_section_specially_mapped.
6319         (Output_section::output_offset): Likewise.
6320         (Output_section::output_address): Likewise.
6321         (Output_section::starting_output_address): Likewise.
6322         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6323         parameter to Sized_relobj*.
6324         (Copy_relocs::need_copy_reloc): Likewise.
6325         (Copy_relocs::save): Likewise.
6326         * copy-relocs.h (class Copy_relocs): Update declarations.
6327         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6328         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6329         * target-reloc.h (relocate_for_relocatable): Change
6330         offset_in_output_section type to Elf_Addr.  Change code that uses
6331         it as well.
6332         * layout.cc (Layout::layout): Always set *off.
6333         * mapfile.cc (Mapfile::print_input_section): Use
6334         output_section_offset.
6335         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6336         Sized_relobj*.
6337         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6338         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6339         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6340
6341 2008-07-03  Ian Lance Taylor  <iant@google.com>
6342
6343         * layout.cc (Layout::include_section): Do not discard unrecognized
6344         SHT_STRTAB sections.
6345
6346 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6347
6348         * script.cc (Lex::can_continue_name): Make '?' allowable in
6349         version-script names.
6350         * testsuite/version_script.map: Change glob pattern to use '?'
6351
6352 2008-06-30  Manish Singh  <yosh@gimp.org>
6353
6354         PR 6585
6355         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6356         Correct typo.
6357
6358 2008-06-30  Ian Lance Taylor  <iant@google.com>
6359
6360         PR 6660
6361         PR 6682
6362         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6363         versions]: Don't try to read the value in the contents, since we
6364         don't use it.  Use the template endianness when writing.
6365
6366 2008-06-25  Cary Coutant  <ccoutant@google.com>
6367
6368         * fileread.cc (File_read::make_view): Assert on zero-length view.
6369         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6370         symbol table when there are no symbols to read.
6371
6372 2008-06-23  Craig Silverstein  <csilvers@google.com>
6373
6374         * version.cc (version_string): Bump to 1.7
6375
6376 2008-06-18  Craig Silverstein  <csilvers@google.com>
6377
6378         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6379         constant 0xFFFF to type Valtype.
6380         (Powerpc_relocate_functions::rel16_ha): Likewise.
6381
6382 2008-06-17  Ian Lance Taylor  <iant@google.com>
6383
6384         * output.h (Output_section::Input_section): Initialize p2align_ to
6385         zero for Output_section_data constructors.
6386         (Output_section::Input_section::addralign): If not an input
6387         section, return the alignment of the Output_section_data.
6388         * testsuite/copy_test.cc: New file.
6389         * testsuite/copy_test_1.cc: New file.
6390         * testsuite/copy_test_2.cc: New file.
6391         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6392         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6393         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6394         (copy_test_1_pic.o, copy_test_1.so): New targets.
6395         (copy_test_2_pic.o, copy_test_2.so): New targets.
6396         * testsuite/Makefile.in: Rebuild.
6397
6398         * script-sections.cc (Script_sections::place_orphan): Initialize
6399         local variable exact.
6400
6401 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6402
6403         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6404
6405 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6406             David S. Miller  <davem@davemloft.net>
6407
6408         * powerpc.cc: New file.
6409         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6410         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6411         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6412         * Makefile.in: Rebuild.
6413
6414 2008-06-09  Ian Lance Taylor  <iant@google.com>
6415
6416         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6417         <exception>.
6418         (throwing, orig_terminate): New static variables.
6419         (terminate_handler): New static function.
6420         (t2): Set terminate handler.
6421
6422 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6423
6424         PR 6584
6425         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6426         alignment.
6427
6428 2008-05-30  Cary Coutant  <ccoutant@google.com>
6429
6430         * archive.cc (Archive::include_all_members) Correct to step
6431         over symbol table and extended name table in thin archives.
6432
6433 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6434
6435         PR 6407
6436         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6437         calculation.
6438
6439 2008-05-28  Caleb Howe  <cshowe@google.com>
6440
6441         * reduced_debug_output.cc: New file.
6442         * reduced_debug_output.h: New file.
6443         * options.h (class General_options): Add --strip-debug-non-line.
6444         * options.cc (General_options::finalize): Add strip_debug_non_line
6445         to the strip heirarchy.
6446         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6447         fields.
6448         * layout.cc: Include "reduced_debug_output.h".
6449         (Layout::Layout): Initialize new fields.
6450         (line_only_debug_sections): New static array.
6451         (is_lines_only_debug_sections): New static inline function.
6452         (Layout::include_section): Handle --strip-debug-non-line.
6453         (Layout::make_output_section): If --strip-debug-non-line, build
6454         new output sections for .debug_abbrev and .debug_info.
6455         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6456         gold.  Warn about possible overflow.
6457         (read_signed_LEB_128): Likewise.
6458         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6459         (read_signed_LEB_128): Declare.
6460         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6461         (HFILES): Add reduced_debug_output.h.
6462         * Makefile.in: Rebuild.
6463
6464 2008-05-21  Ian Lance Taylor  <iant@google.com>
6465
6466         * mapfile.cc: New file.
6467         * mapfile.h: New file.
6468         * options.h (class General_options): Add -M/--print-map and -Map.
6469         * options.cc (General_options::finalize): Make -M equivalent to
6470         -Map -.
6471         * main.cc: Include <cstdio> and "mapfile.h".
6472         (main): Open mapfile if requested.
6473         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6474         constructor.  Change caller.
6475         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6476         (queue_middle_tasks): Likewise.
6477         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6478         declarations.
6479         * archive.cc: Include "mapfile.h".
6480         (Archive::add_symbols): Add mapfile parameter.  Change all
6481         callers.  Pass mapfile, symbol, and reason to include_member.
6482         (Archive::include_all_members): Add mapfile parameter.  Change all
6483         callers.
6484         (Archive::include_member): Add mapfile, sym, and why parameters.
6485         Change all callers.  Report inclusion to map file.
6486         * archive.h: Include "fileread.h".
6487         (class Archive): Update declarations.
6488         (Archive::file): New const method.
6489         (class Add_archive_symbols): Add mapfile_ field.  Update
6490         constructor.  Change all callers.
6491         * readsyms.h (class Read_symbols): Likewise.
6492         (class Finish_group): Likewise.
6493         (class Read_script): Likewise.
6494         * common.cc: Include "mapfile.h".
6495         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6496         all callers.
6497         (Symbol_table::do_allocate_commons): Likewise.
6498         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6499         symbol allocation to mapfile.
6500         * common.h (class Allocate_commons_task): Add mapfile_ field.
6501         Update constructor.  Change all callers.
6502         * symtab.h (class Symbol_table): Update declarations.
6503         * layout.cc: Include "mapfile.h".
6504         (Layout_task_runner::run): Print information to mapfile.
6505         (Layout::create_gold_note): Change Output_data_fixed_space to
6506         Output_data_zero_fill.
6507         (Layout::create_build_id): Likewise.
6508         (Layout::print_to_mapfile): New function.
6509         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6510         constructor.  Change caller.
6511         (class Layout): Declare print_to_mapfile.
6512         * output.cc (Output_section::Input_section::print_to_mapfile): New
6513         function.
6514         (Output_section::add_input_section): If producing a map, always
6515         add to input_sections_ list.
6516         (Output_section::do_print_to_mapfile): New function.
6517         (Output_segment::print_sections_to_mapfile): New function.
6518         (Output_segment::print_section_list_to_mapfile): New function.
6519         * output.h: Include "mapfile.h".
6520         (Output_data::print_to_mapfile): New function.
6521         (Output_data::do_print_to_mapfile): New virtual function.
6522         (Output_segment_headers::do_print_to_mapfile): New function.
6523         (Output_file_header::do_print_to_mapfile): New function.
6524         (Output_data_const::do_print_to_mapfile): New function.
6525         (class Output_data_const_buffer): Add map_name_ field.  Update
6526         constructor.  Change all callers.  Add do_print_to_mapfile
6527         function.
6528         (class Output_data_fixed_space): Likewise.
6529         (class Output_data_space): Likewise.
6530         (class Output_data_zero_fill): New class.
6531         (Output_data_strtab::do_print_to_mapfile): New function.
6532         (Output_data_reloc_base::do_print_to_mapfile): New function.
6533         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6534         (Output_data_group::do_print_to_mapfile): New function.
6535         (Output_data_got::do_print_to_mapfile): New function.
6536         (Output_data_dynamic::do_print_to_mapfile): New function.
6537         (Output_symtab_xindex::do_print_to_mapfile): New function.
6538         (class Output_section): Declare do_print_to_mapflie.  Declare
6539         print_to_mapfile in Input_section.
6540         (class Output_segment): Declare new functions.
6541         * object.h (Sized_relobj::symbol_count): New function.
6542         * script-sections.cc
6543         (Output_section_element_dot_assignment::set_section_addresses):
6544         Change Output_data_fixed_space to Output_data_zero_fill.
6545         (Output_data_expression::do_print_to_mapfile): New function.
6546         * script.cc (read_input_script): Add mapfile parameter.  Change
6547         all callers.
6548         * script.h (read_input_script): Update declaration.
6549         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6550         (Eh_frame::do_print_to_mapfile): New function.
6551         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6552         (Output_merge_string::do_print_to_mapfile): New function.
6553         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6554         function.
6555         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6556         function.
6557         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6558         function.
6559         * Makefile.am (CCFILES): Add mapfile.cc.
6560         (HFILES): Add mapfile.h.
6561         * Makefile.in: Rebuild.
6562
6563 2008-05-19  Ian Lance Taylor  <iant@google.com>
6564
6565         * options.h (class General_options): Add -z relro.
6566         * layout.cc (Layout::Layout): Initialize relro_segment_.
6567         (Layout::add_output_section_data): Return the output section.
6568         (Layout::make_output_section): Rcognize relro sections and mark
6569         them appropriately.
6570         (Layout::attach_allocated_section_to_segment): Put relro sections
6571         in a PT_GNU_RELRO segment.
6572         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6573         section as relro.
6574         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6575         PT_TLS segments.
6576         (Layout::linkonce_mapping): Map d.rel.ro.local to
6577         .data.rel.ro.local.
6578         (Layout::output_section_name): Us .data.rel.ro.local for any
6579         section which begins with that.
6580         * layout.h (class Layout): Update add_output_section_data
6581         declaration.  Add relro_segment_ field.
6582         * output.cc (Output_section::Output_section): Initialize is_relro_
6583         and is_relro_local_ fields.
6584         (Output_segment::add_output_section): Group relro sections.
6585         (Output_segment::is_first_section_relro): New function.
6586         (Output_segment::maximum_alignment): If there is a relro section,
6587         align the segment to the common page size.
6588         (Output_segment::set_section_addresses): Track whether we are
6589         looking at relro sections.  If the last section is a relro
6590         section, align to the common page size.
6591         (Output_segment::set_section_list_addresses): Add in_relro
6592         parameter.  Change all callers.  Align to the page size when
6593         moving from relro to non-relro section.
6594         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6595         segment.
6596         * output.h (class Output_section): Add is_relro_ and
6597         is_relro_local_ fields.
6598         (Output_section::is_relro): New function.
6599         (Output_section::set_is_relro): New function.
6600         (Output_section::is_relro_local): New function.
6601         (Output_section::set_is_relro_local): New function.
6602         (class Output_segment): Update declarations.
6603         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6604         * sparc.cc (Target_sparc::got_section): Likewise.
6605         * x86_64.cc (Target_x86_64::got_section): Likewise.
6606         * testsuite/relro_test_main.cc: New file.
6607         * testsuite/relro_test.cc: New file.
6608         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6609         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6610         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6611         (relro_test.so, relro_test_pic.o): New targets.
6612         * testsuite/Makefile.in: Rebuild.
6613
6614 2008-05-16  Ian Lance Taylor  <iant@google.com>
6615
6616         * output.cc (Output_segment::add_output_section): Remove front
6617         parameter.
6618         * output.h (class Output_segment): Remove
6619         add_initial_output_section and overloaded add_output_section.
6620         Update declaration of remaining add_output_section.
6621         * layout.cc (Layout::create_interp): Call add_output_section
6622         rather than add_initial_output_section.
6623         (Layout::finish_dynamic_section): Likewise.
6624
6625         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6626         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6627         know the dynamic type.
6628         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6629         field.  Initialize it in constructor.
6630         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6631         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6632         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6633         reloc.
6634
6635         * output.cc (Output_reloc::get_address): Change return type to
6636         Elf_Addr.
6637         * output.h (class Output_reloc): Update get_address declaration.
6638         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6639         for section addresses.
6640
6641 2008-05-09  Ian Lance Taylor  <iant@google.com>
6642
6643         PR 6493
6644         * gold.cc (gold_nomem): Use return value of write.
6645
6646 2008-05-08  Ian Lance Taylor  <iant@google.com>
6647
6648         * symtab.c (Symbol::init_base_output_data): Add version
6649         parameter.  Change all callers.
6650         (Symbol::init_base_output_segment): Likewise.
6651         (Symbol::init_base_constant): Likewise.
6652         (Symbol::init_base_undefined): Likewise.
6653         (Sized_symbol::init_output_data): Likewise.
6654         (Sized_symbol::init_output_segment): Likewise.
6655         (Sized_symbol::init_constant): Likewise.
6656         (Sized_symbol::init_undefined): Likewise.
6657         (Symbol_table::do_define_in_output_data): If the new symbol has a
6658         version, mark it as the default.
6659         (Symbol_table::do_define_in_output_segment): Likewise.
6660         (Symbol_table::do_define_as_constant): Likewise.
6661         * symtab.h (class Symbol): Update declarations.
6662         (class Sized_symbol): Likewise.
6663         * resolve.cc (Symbol::override_version): New function.
6664         (Symbol::override_base): Call override_version.
6665         (Symbol::override_base_with_special): Likewise.
6666         * testsuite/ver_script_8.script: New file.
6667         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6668         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6669         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6670         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6671
6672 2008-05-06  Ian Lance Taylor  <iant@google.com>
6673
6674         PR 6049
6675         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6676         functions.
6677         (class General_options): Remove existing --undefined, and add
6678         --no-undefined instead.  Add new --undefined as synonym for -u.
6679         * archive.cc (Archive::add_symbols): Check whether symbol was
6680         named with -u.
6681         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6682         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6683         all uses.  Add IS_UNDEFINED.  Update declarations to split
6684         different versions of init_base.  Declare init_base_undefined.
6685         (Symbol::is_defined): Handle IS_UNDEFINED.
6686         (Symbol::is_undefined): Likewise.
6687         (Symbol::is_weak_undefined): Call is_undefined.
6688         (Symbol::is_absolute): Handle IS_CONSTANT.
6689         (class Sized_symbol): Update declarations to split different
6690         versions of init.  Declare init_undefined.
6691         (class Symbol_table): Declare new functions.
6692         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6693         Change all callers.
6694         (Symbol::init_base_output_data): Likewise.
6695         (Symbol::init_base_output_segment): Likewise.
6696         (Symbol::init_base_constant): Likewise.
6697         (Symbol::init_base_undefined): New function.
6698         (Sized_symbol::init_object): Rename from init.  Change all
6699         callers.
6700         (Sized_symbol::init_output_data): Likewise.
6701         (Sized_symbol::init_output_segment): Likewise.
6702         (Sized_symbol::init_constant): Likewise.
6703         (Sized_symbol::init_undefined): New function.
6704         (Symbol_table::add_undefined_symbols_from_command_line): New
6705         function.
6706         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6707         function.
6708         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6709         (Symbol::output_section): Likewise.
6710         (Symbol::set_output_section): Likewise.
6711         (Symbol_table::sized_finalize_symbol): Likewise.
6712         (Symbol_table::sized_write_globals): Likewise.
6713         * resolve.cc (Symbol_table::should_override): Likewise.
6714         (Symbol::override_base_with_special): Likewise.
6715
6716         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6717         symbol, change it to have default visibility.
6718         * testsuite/protected_1.cc: New file.
6719         * testsuite/protected_2.cc: New file.
6720         * testsuite/protected_3.cc: New file.
6721         * testsuite/protected_main_1.cc: New file.
6722         * testsuite/protected_main_2.cc: New file.
6723         * testsuite/protected_main_3.cc: New file.
6724         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6725         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6726         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6727         (protected_1.so): New target.
6728         (protected_1_pic.o, protected_2_pic.o): New targets.
6729         (protected_3_pic.o): New target.
6730         (check_PROGRAMS): Add protected_2.
6731         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6732         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6733         * testsuite/Makefile.in: Rebuild.
6734
6735         * options.h (DEFINE_var): Add set_user_set_##varname__.
6736         (DEFINE_bool_alias): New macro.
6737         (class General_options): Define -Bstatic using DEFINE_bool_alias
6738         rather than DEFINE_special.  Add --undefined as an alias for -z
6739         defs.
6740         * options.cc (General_options::parse_Bstatic): Remove.
6741
6742         * options.h (class General_options): Add --fatal-warnings.
6743         * main.cc (main): Implement --fatal-warnings.
6744         * errors.h (Errors::warning_count): New function.
6745
6746         * options.h (class General_options): Add -Bsymbolic-functions.
6747         * symtab.h (Symbol::is_preemptible): Check for
6748         -Bsymbolic-functions.
6749
6750 2008-05-05  Ian Lance Taylor  <iant@google.com>
6751
6752         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6753         as noVARNAME rather than no-VARNAME.
6754         (class General_options): Add option -z combreloc.
6755         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6756         get_address.
6757         (Output_reloc::sort_before) [SHT_REL]: New function.
6758         (Output_reloc::sort_before) [SHT_RELA]: New function.
6759         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6760         Sort_relocs_comparison.
6761         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6762         parameter.  Change all callers.
6763         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6764         sort_relocs parameter.  Change all callers.
6765         * output.cc (Output_reloc::get_address): New function, broken out
6766         of write_rel.
6767         (Output_reloc::write_rel): Call it.
6768         (Output_reloc::compare): New function.
6769         (Output_data_reloc_base::do_write): Optionally sort relocs.
6770
6771         * configure.ac: If targ_extra_obj is set, link it in.
6772         * configure.tgt: Initialize all variables.
6773         (x86_64*): Set targ_extra_obj and targ_extra_size.
6774         * configure: Rebuild.
6775
6776         * object.cc (Sized_relobj::include_section_group): Adjust section
6777         indexes read from group data.  Build vector to pass to
6778         layout_group.
6779         * layout.cc (Layout::layout_group): Add flags and shndxes
6780         parameters.  Remove contents parameter.  Change caller.  Update
6781         explicit instantiations.
6782         * layout.h (class Layout): Update layout_group declaration.
6783         * output.cc (Output_data_group::Output_data_group): Add flags and
6784         input_shndxes parameters.  Remove contents parameter.  Change
6785         caller.
6786         (Output_data_group::do_write): Change input_sections_ to
6787         input_shndxes_.
6788         * output.h (class Output_data_group): Update constructor
6789         declaration.  Rename input_sections_ to input_shndxes_.
6790         * testsuite/many_sections_test.cc: Add template.
6791
6792 2008-04-30  Cary Coutant  <ccoutant@google.com>
6793
6794         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6795
6796         * layout.cc (Layout::include_section): Refactored check for debug
6797         info section.
6798         (Layout::add_comdat): Add new parameters.  Change type
6799         of signature parameter.  Add object and shndx to signatures table.
6800         (Layout::find_kept_object): New function.
6801         * layout.h: Include <cstring>.
6802         (Layout::is_debug_info_section): New function.
6803         (Layout::add_comdat): Add new parameters.
6804         (Layout::find_kept_object): New function.
6805         (Layout::Kept_section): New struct.
6806         (Layout::Signatures): Change type of map range.
6807         * object.cc (Relobj::output_section_address): New function.
6808         (Sized_relobj::include_section_group): Add new parameters.  Change
6809         calls to Layout::add_comdat.  Change to build table of kept comdat
6810         groups and table mapping discarded sections to kept sections.
6811         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6812         (Sized_relobj::do_layout): Change calls to include_section_group and
6813         include_linkonce_section.
6814         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6815         value to zero when section is discarded.
6816         (Sized_relobj::map_to_kept_section): New function.
6817         * object.h (Relobj::output_section_address): New function.
6818         (Relobj::Comdat_group): New type.
6819         (Relobj::find_comdat_group): New function.
6820         (Relobj::Comdat_group_table): New type.
6821         (Relobj::Kept_comdat_section): New type.
6822         (Relobj::Kept_comdat_section_table): New type.
6823         (Relobj::add_comdat_group): New function.
6824         (Relobj::set_kept_comdat_section): New function.
6825         (Relobj::get_kept_comdat_section): New function.
6826         (Relobj::comdat_groups_): New field.
6827         (Relobj::kept_comdat_sections_): New field.
6828         (Symbol_value::input_value): Update comment.
6829         (Sized_relobj::map_to_kept_section) New function.
6830         (Sized_relobj::include_linkonce_section): Add new parameter.
6831         * target-reloc.h (Comdat_behavior): New type.
6832         (get_comdat_behavior): New function.
6833         (relocate_section): Add code to map a discarded section to the
6834         corresponding kept section when applying a relocation.
6835
6836 2008-04-30  Craig Silverstein  <csilvers@google.com>
6837
6838         * dwarf_reader.cc (next_generation_count): New static var.
6839         (Addr2line_cache_entry): New struct.
6840         (addr2line_cache): New static var.
6841         (Dwarf_line_info::one_addr2line): Added caching.
6842         (Dwarf_line_info::clear_addr2line_cache): New function.
6843         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6844         cache-size parameter.
6845         (Dwarf_line_info::one_addr2line_cache): New function.
6846         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6847         new cache-size argument to one_addr2line(), and clear cache.
6848
6849 2008-04-28  Cary Coutant  <ccoutant@google.com>
6850
6851         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6852         R_386_PC8 relocations.
6853
6854 2008-04-23  Ian Lance Taylor  <iant@google.com>
6855
6856         * object.cc (Sized_relobj::include_section_group): Check for
6857         invalid section group.
6858
6859         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6860         header size.
6861
6862         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6863         than read for file header.
6864         * archive.cc (Archive::include_member): Likewise.
6865
6866 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6867
6868         * aclocal.m4: Regenerate.
6869         * configure: Regenerate.
6870
6871 2008-04-19  Ian Lance Taylor  <iant@google.com>
6872
6873         * version.cc (version_string): Bump to 1.6.
6874
6875         * testsuite/Makefile.am (many_sections_r_test): New target.
6876         (many_sections_r_test_SOURCES): Remove.
6877         (many_sections_r_test_DEPENDENCIES): Remove.
6878         (many_sections_r_test_LDFLAGS): Remove.
6879         (many_sections_r_test_LDADD): Remove.
6880
6881         * object.cc (Sized_relobj::do_add_symbols): Always pass
6882         local_symbol_count_ to add_from_relobj.
6883
6884         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6885         every thousand variables.
6886         * testsuite/Makefile.in: Rebuild.
6887
6888         * object.cc (Xindex::initialize_symtab_xindex): New function.
6889         (Xindex::read_symtab_xindex): New function.
6890         (Xindex::sym_xindex_to_shndx): New function.
6891         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6892         available.
6893         (Sized_relobj::do_initialize_xindex): New function.
6894         (Sized_relobj::do_read_symbols): Adjust section links.
6895         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6896         parameter.  Change all callers.
6897         (Sized_relobj::include_section_group): Adjust section links and
6898         symbol section indexes.
6899         (Sized_relobj::do_layout): Adjust section links.
6900         (Sized_relobj::do_count_local_symbols): Adjust section links and
6901         symbol section indexes.
6902         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6903         ordinary and special symbols.
6904         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6905         dynsym_xindex parameters.  Change all callers.  Adjust section
6906         links.  Use SHN_XINDEX when needed.
6907         (Sized_relobj::get_symbol_location_info): Adjust section links.
6908         Don't get fooled by special symbols.
6909         * object.h (class Xindex): Define.
6910         (class Object): Add xindex_ parameter.  Declare virtual functoin
6911         do_initialize_xindex.
6912         (Object::adjust_sym_shndx): New function.
6913         (Object::set_xindex): New protected function.
6914         (class Symbol_value): Add is_ordinary_shndx_ field.
6915         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6916         (Symbol_value::value): Assert ordinary section.
6917         (Symbol_value::initialize_input_to_output_map): Likewise.
6918         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6919         Change all callers.
6920         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6921         all callers.
6922         (class Sized_relobj): Update declarations.
6923         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6924         parameter.  Change all callers.
6925         (Sized_relobj::adjust_shndx): New function.
6926         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6927         field.
6928         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6929         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6930         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6931         (Sized_dynobj::read_dynsym_section): Adjust section links.
6932         (Sized_dynobj::read_dynamic): Likewise.
6933         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6934         section links.
6935         (Sized_dynobj::do_initialize_xindex): New function.
6936         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6937         do_initialize_xindex.
6938         (Sized_dynobj::adjust_shndx): New function.
6939         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6940         dynsym_xindex_ fields.
6941         (Layout::finalize): Add a call to set_section_indexes before
6942         creating the symtab sections.
6943         (Layout::set_section_indexes): Don't do anything if the section
6944         already has a section index.
6945         (Layout::create_symtab_sections): Add shnum parameter.  Change
6946         caller.  Create .symtab_shndx section if needed.
6947         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6948         caller.
6949         (Layout::allocated_output_section_count): New function.
6950         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6951         needed.
6952         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6953         fields.  Update declarations.
6954         (Layout::symtab_xindex): New function.
6955         (Layout::dynsym_xindex): New function.
6956         (class Write_symbols_task): Add layout_ field.
6957         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6958         Change caller.
6959         * output.cc (Output_section_headers::Output_section_headers): Add
6960         shstrtab_section parameter.  Change all callers.
6961         (Output_section_headers::do_sized_write): Store overflow values
6962         for section count and section string table section index in
6963         section header zero.
6964         (Output_file_header::do_sized_write): Check for overflow of
6965         section count and section string table section index.
6966         (Output_symtab_xindex::do_write): New function.
6967         (Output_symtab_xindex::endian_do_write): New function.
6968         * output.h (class Output_section_headers): Add shstrtab_section_.
6969         Update declarations.
6970         (class Output_symtab_xindex): Define.
6971         (Output_section::has_out_shndx): New function.
6972         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6973         field.
6974         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6975         Change all callers.
6976         (Sized_symbol::init): Likewise.
6977         (Symbol::output_section): Check for ordinary symbol.
6978         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6979         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6980         callers.
6981         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6982         Change all callers.  Simplify handling of symbols from sections
6983         not included in the link.
6984         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6985         distinction.
6986         (Weak_alias_sorter::operator()): Assert that symbols are
6987         ordinary.
6988         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6989         distinction.
6990         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6991         parameters.  Change all callers.
6992         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6993         symbol distinction.  Use SHN_XINDEX when needed.
6994         (Symbol_table::write_section_symbol): Add symtab_xindex
6995         parameter.  Change all callers.
6996         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6997         SHN_XINDEX when needed.
6998         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6999         declarations.
7000         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7001         (Symbol::is_defined): Check is_ordinary.
7002         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7003         (Symbol::is_absolute, Symbol::is_common): Likewise.
7004         (class Sized_symbol): Update declarations.
7005         (class Symbol_table): Update declarations.
7006         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7007         parameters.  Change all callers.
7008         (Sized_symbol::override): Likewise.
7009         (Symbol_table::override): Likewise.
7010         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7011         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7012         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7013         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7014         to be in an ordinary section.
7015         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7016         object and is_ordinary parameters.  Change all callers.
7017         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7018         Change all callers.  Don't add undefined or non-ordinary symbols
7019         to reloc_map_.
7020         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7021         Change all callers.
7022         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7023         declarations.
7024         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7025         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7026         (Sized_relobj::relocate_sections): Likewise.
7027         * target-reloc.h (scan_relocs): Adjust section symbol index.
7028         (scan_relocatable_relocs): Likewise.
7029         * i386.cc (Scan::local): Check for ordinary symbols.
7030         * sparc.cc (Scan::local): Likewise.
7031         * x86_64.cc (Scan::local): Likewise.
7032         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7033         to symbol_section_and_value.
7034         * testsuite/many_sections_test.cc: New file.
7035         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7036         (check_PROGRAMS): Add many_sections_test.
7037         (many_sections_test_SOURCES): Define.
7038         (many_sections_test_DEPENDENCIES): Define.
7039         (many_sections_test_LDFLAGS): Define.
7040         (BUILT_SOURCES): Add many_sections_define.h.
7041         (many_sections_define.h): New target.
7042         (BUILT_SOURCES): Add many_sections_check.h.
7043         (many_sections_check.h): New target.
7044         (check_PROGRAMS): Add many_sections_r_test.
7045         (many_sections_r_test_SOURCES): Define.
7046         (many_sections_r_test_DEPENDENCIES): Define.
7047         (many_sections_r_test_LDFLAGS): Define.
7048         (many_sections_r_test_LDADD): Define.
7049         (many_sections_r_test.o): New target.
7050         * testsuite/Makefile.in: Rebuild.
7051
7052 2008-04-17  Cary Coutant  <ccoutant@google.com>
7053
7054         * errors.cc (Errors::info): New function.
7055         (gold_info): New function.
7056         * errors.h (Errors::info): New function.
7057         * gold.h (gold_info): New function.
7058         * object.cc (Input_objects::add_object): Print trace output.
7059         * options.cc (options::parse_set): New function.
7060         (General_options::parse_wrap): Deleted.
7061         (General_options::General_options): Deleted initializer.
7062         * options.h (options::String_set): New typedef.
7063         (options::parse_set): New function.
7064         (DEFINE_set): New macro.
7065         (General_options::wrap): Changed to use DEFINE_set. Changed
7066         callers of any_wrap_symbols and is_wrap_symbol.
7067         (General_options::trace, General_options::trace_symbol):
7068         New options.
7069         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7070         (General_options::wrap_symbols_): Deleted.
7071         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7072
7073 2008-04-17  David S. Miller  <davem@davemloft.net>
7074
7075         * options.cc (General_options::parse_V): New function.
7076         * options.h: Add entries for -V and -Qy.
7077
7078 2008-04-17  Ian Lance Taylor  <iant@google.com>
7079
7080         * common.cc (Symbol_table::allocate_commons): Remove options
7081         parameter.  Change caller.
7082         (Symbol_table::do_allocate_commons): Remove options parameter.
7083         Change caller.  Just call do_allocate_commons_list twice.
7084         (Symbol_table::do_allocate_commons_list): New function, broken out
7085         of do_allocate_commons.
7086         * common.h (class Allocate_commons_task): Remove options_ field.
7087         Update constructor.
7088         * symtab.cc (Symbol_table::Symbol_table): Initialize
7089         tls_commons_.
7090         (Symbol_table::add_from_object): Put TLS common symbols on
7091         tls_commons_ list.
7092         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7093         which are IN_OUTPUT_DATA.
7094         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7095         allocate_commons and do_allocate_commons declarations.  Declare
7096         do_allocate_commons_list.
7097         * gold.cc (queue_middle_tasks): Update creation of
7098         Allocate_commons_task to not pass options.
7099         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7100         (TLS_TEST_C_FLAGS): New variable.
7101         (tls_test_c_pic.o): New target.
7102         (tls_test_shared.so): Link in tls_test_c_pic.o.
7103         (tls_test_c_pic_ie.o): New target.
7104         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7105         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7106         (tls_test_c.o): New target.
7107         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7108         (tls_pic_test_LDADD): Likewise.
7109         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7110         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7111         (tls_test_c_gnu2.o): New target.
7112         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7113         tls_test_c_gnu2.o.
7114         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7115         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7116         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7117         * testsuite/tls_test.cc: Include "config.h".
7118         (t_last): Call t11_last.
7119         * testsuite/tls_test.h (t11, t11_last): Declare.
7120         * testsuite/tls_test_c.c: New file.
7121         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7122         * configure.ac: Check for OpenMP support.
7123         * configure, config.in, Makefile.in: Rebuild.
7124         * testsuite/Makefile.in: Rebuild.
7125
7126 2008-04-16  Cary Coutant  <ccoutant@google.com>
7127
7128         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7129         (Target_i386::tls_base_symbol_defined_): New field.
7130         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7131         (Target_i386::Scan::global): Likewise.
7132         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7133         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7134         (Target_x86_64::tls_base_symbol_defined_): New field.
7135         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7136         (Target_x86_64::Scan::global): Likewise.
7137
7138 2008-04-16  Cary Coutant  <ccoutant@google.com>
7139
7140         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7141         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7142         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7143         building shared libraries.
7144         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7145         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7146         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7147         * testsuite/Makefile.in: Rebuild.
7148         * testsuite/weak_undef.h: New file.
7149         * testsuite/weak_undef_file1.cc: Add extra test cases.
7150         * testsuite/weak_undef_file2.cc: Likewise.
7151         * testsuite/weak_undef_test.cc: Likewise.
7152
7153 2008-04-16  David S. Miller  <davem@davemloft.net>
7154
7155         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7156         Add issued_non_pic_error_ field.  Declare check_non_pic.
7157         (Target_sparc::Scan::check_non_pic): New function.
7158         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7159         (Target_sparc::Scan::global): Likewise.
7160
7161         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7162         * configure: Rebuild.
7163
7164         * options.h (DEFINE_enable): New macro.
7165         (new_dtags): New enable option.
7166         (initfirst, interpose, loadfltr, nodefaultlib,
7167         nodelete, nodlopen, nodump): New -z options.
7168         * layout.cc (Layout:finish_dynamic_section): If new
7169         dtags enabled, emit DT_RUNPATH.  Also, emit a
7170         DT_FLAGS_1 containing any specified -z flags.
7171
7172 2008-04-16  Ian Lance Taylor  <iant@google.com>
7173
7174         * copy-relocs.cc: New file.
7175         * copy-relocs.h: New file.
7176         * reloc.cc: Remove Copy_relocs code.
7177         * reloc.h: Likewise.
7178         * reloc-types.h (struct Reloc_types) [both versions]: Add
7179         get_reloc_addend_noerror.
7180         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7181         variants of add_global which take an addend which must be zero.
7182         * i386.cc: Include "copy-relocs.h".
7183         (class Target_i386): Change type of copy_relocs_ to variable,
7184         update initializer.
7185         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7186         Change all callers.
7187         (Target_i386::do_finalize_sections): Change handling of
7188         copy_relocs_.
7189         * sparc.cc: Include "copy-relocs.h".
7190         (class Target_sparc): Change type of copy_relocs_ to variable,
7191         update initializer.
7192         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7193         Change all callers.
7194         (Target_sparc::do_finalize_sections): Change handling of
7195         copy_relocs_.
7196         * x86_64.cc: Include "copy-relocs.h".
7197         (class Target_x86_64): Change type of copy_relocs_ to variable,
7198         update initializer.
7199         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7200         class.  Change all callers.
7201         (Target_x86_64::do_finalize_sections): Change handling of
7202         copy_relocs_.
7203         * Makefile.am (CCFILES): Add copy-relocs.cc.
7204         (HFILES): Add copy-relocs.h.
7205
7206         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7207
7208         * testsuite/script_test_4.sh: Permit leading zeroes.
7209
7210 2008-04-15  Ian Lance Taylor  <iant@google.com>
7211
7212         * script-sections.cc (Script_sections::create_segments): Use
7213         header_size_adjustment even when there is enough room for the
7214         headers.
7215         * testsuite/script_test_4.sh: New file.
7216         * testsuite/script_test_4.t: New file.
7217         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7218         (check_DATA): Add script_test_4.stdout.
7219         (MOSTLYCLEANFILES): Likewise.
7220         (script_test_4): New target.
7221         (script_test_4.stdout): New target.
7222         * testsuite/Makefile.in: Rebuild.
7223
7224         * sparc.cc: Add definitions for Output_data_plt_sparc class
7225         constants.
7226
7227 2008-04-14  David S. Miller  <davem@davemloft.net>
7228
7229         * sparc.cc: New file.
7230         * Makefile.am (TARGETSOURCES): Add sparc.cc
7231         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7232         * configure.tgt: Document targ_extra_size and
7233         targ_extra_big_endian.  Add entries for sparc-* and
7234         sparc64-*.
7235         * configure.ac: Handle targ_extra_size and
7236         targ_extra_big_endian.
7237         * Makefile.in: Rebuild.
7238         * configure: Likewise.
7239         * po/POTFILES.in: Likewise.
7240         * po/gold.pot: Likewise.
7241
7242 2008-04-14  Ian Lance Taylor  <iant@google.com>
7243
7244         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7245         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7246         in the name/type/flags to section mapping.  Don't call
7247         allocate_output_section.
7248         (Layout::choose_output_section): Change parameter from adjust_name
7249         to is_input_section.  Don't permit input sections after sections
7250         are attached to segments.  Don't call allocate_output_section.
7251         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7252         not write_enable_output_section.
7253         (Layout::make_output_section): Don't push to
7254         unattached_section_list_ nor call attach_to_segment.  Call
7255         attach_section_to_segment if sections are attached.
7256         (Layout::attach_sections_to_segments): New function.
7257         (Layout::attach_section_to_segment): New function.
7258         (Layout::attach_allocated_section_to_segment): Rename from
7259         attach_to_segment.  Remove flags parameter.
7260         (Layout::allocate_output_section): Remove function.
7261         (Layout::write_enable_output_section): Remove function.
7262         * layout.h (class Layout): Update for above changes.  Add new
7263         field sections_are_attached_.
7264         * output.h (Output_section::update_flags_for_input_section): New
7265         function.
7266         * output.cc (Output_section::add_input_section): Call
7267         update_flags_for_input_section.
7268         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7269
7270 2008-04-11  Cary Coutant  <ccoutant@google.com>
7271
7272         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7273         thought unnecessary.
7274         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7275
7276 2008-04-11  Ian Lance Taylor  <iant@google.com>
7277
7278         * output.h (class Output_section_data): Remove inline definition
7279         of set_addralign.
7280         * output.cc (Output_section_data::set_addralign): New function.
7281
7282 2008-04-11  Cary Coutant  <ccoutant@google.com>
7283
7284         Add support for TLS descriptors for i386 and x86_64.
7285         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7286         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7287         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7288         GOT_TYPE_TLS_DESC.
7289         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7290         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7291         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7292         relocations.
7293         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7294         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7295         Fix problem with initial-exec relocations.
7296         (Target_i386::Relocate::relocate_tls): Likewise.
7297         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7298         relaxation.
7299         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7300         support for section-plus-offset dynamic table entries.
7301         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7302         (Output_data_dynamic::Dynamic_entry): Add support for
7303         section-plus-offset dynamic table entries.
7304         (Output_data_dynamic::Classification): Likewise.
7305         (Output_data_dynamic::classification_): Renamed offset_.
7306         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7307         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7308         (Target_x86_64::make_plt_section): New function.
7309         (Target_x86_64::reserve_tlsdesc_entries): New function.
7310         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7311         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7312         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7313         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7314         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7315         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7316         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7317         add extra PLT entry for TLS descriptors.
7318         (Output_data_plt_x86_64::got_): New field.
7319         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7320         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7321         fields.
7322         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7323         descriptors.
7324         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7325         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7326         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7327         R_386_TLS_DESC_CALL relocations.
7328         (Target_x86_64::Scan::global): Likewise.
7329         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7330         for TLS descriptors.
7331         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7332         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7333         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7334         GD-to-IE relaxation.
7335         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7336         and TLS_DESCRIPTORS.
7337         * Makefile.in: Rebuild.
7338         * configure: Rebuild.
7339         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7340         (tls_test_shared2.so): New target.
7341         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7342         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7343         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7344         (tls_shared_gd_to_ie_test_LDADD): New variable.
7345         (tls_shared_gnu2_gd_to_ie_test): New target.
7346         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7347         New targets.
7348         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7349         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7350         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7351         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7352         (tls_shared_gnu2_test): New target.
7353         (tls_test_gnu2_shared.so): New target.
7354         (tls_shared_gnu2_test_SOURCES): New variable.
7355         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7356         (tls_shared_gnu2_test_LDFLAGS): New variable.
7357         (tls_shared_gnu2_test_LDADD): New variable.
7358         * testsuite/Makefile.in: Rebuild.
7359         * testsuite/Makefile.
7360
7361 2008-04-11  Ian Lance Taylor  <iant@google.com>
7362
7363         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7364         justsyms.t.
7365         * testsuite/Makefile.in: Rebuild.
7366
7367         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7368         long.
7369         * testsuite/script_test_2.cc (main): Adjust test.
7370
7371 2008-04-11  David S. Miller  <davem@davemloft.net>
7372             Ian Lance Taylor  <iant@google.com>
7373
7374         * options.h (General_options): Add entries for '-Y' and
7375         '-relax'.
7376         * options.cc (General_options:finalize): If -Y was used, add those
7377         entries to the library path instead of the default "/lib" and
7378         "/usr/lib".
7379
7380 2008-04-11  David S. Miller  <davem@davemloft.net>
7381
7382         * testsuite/justsyms.t: Start at 0x100.
7383         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7384         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7385         long.
7386         * testsuite/script_test_2.cc: Adjust string and section length
7387         checks.
7388
7389 2008-04-09  Ian Lance Taylor  <iant@google.com>
7390
7391         PR gold/5996
7392         * script-sections.cc (Sections_element::allocate_to_segment): Add
7393         orphan parameter.
7394         (Output_section_definition::allocate_to_segment): Likewise.
7395         (Orphan_output_section::allocate_to_segment): Likewise.
7396         (Script_sections::attach_sections_using_phdrs_clause): Don't
7397         propagate non-PT_LOAD segments to orphan sections.
7398         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7399         readelf rather than objdump.
7400         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7401         .interp section and PT_INTERP segment are the same size.
7402         * testsuite/Makefile.in: Rebuild.
7403
7404         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7405         aliases for symbols defined in the same object.
7406         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7407         (weak_alias_test_SOURCES): New variable.
7408         (weak_alias_test_DEPENDENCIES): New variable.
7409         (weak_alias_test_LDFLAGS): New variable.
7410         (weak_alias_test_LDADD): New variable.
7411         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7412         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7413         (weak_alias_test_3.o): New target.
7414         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7415         * testsuite/weak_alias_test_main.cc: New file.
7416         * testsuite/weak_alias_test_1.cc: New file.
7417         * testsuite/weak_alias_test_2.cc: New file.
7418         * testsuite/weak_alias_test_3.cc: New file.
7419
7420 2008-04-08  Ian Lance Taylor  <iant@google.com>
7421
7422         * options.h (class General_options): Add --noinhibit-exec option.
7423         * main.cc (main): Check --noinhibit-exec.
7424
7425         * options.h (class General_options): Define --wrap as a special
7426         option.  Add wrap_symbols_ field.
7427         (General_options::any_wrap_symbols): New function.
7428         (General_options::is_wrap_symbol): New function.
7429         * options.cc (General_options::parse_wrap): New function.
7430         (General_options::General_options): Initialize wrap_symbols_.
7431         * symtab.cc (Symbol_table::wrap_symbol): New function.
7432         (Symbol_table::add_from_object): Handle --wrap.
7433         * symtab.h (class Symbol_table): Declare wrap_symbol.
7434         * target.h (Target::wrap_char): New function.
7435         (Target::Target_info): Add wrap_char field.
7436         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7437         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7438         * testsuite/testfile.cc (Target_test::test_target_info):
7439         Likewise.
7440
7441         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7442         there is one.
7443
7444         * layout.h (class Layout): Add added_eh_frame_data_ field.
7445         * layout.cc (Layout::Layout): Initialize new field.
7446         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7447         output section until we find a section we merged successfully.
7448         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7449         that the size be non-zero.
7450
7451         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7452         qualifier.
7453
7454 2008-04-08  Craig Silverstein  <csilvers@google.com>
7455
7456         * configure.ac: Export new conditional variable HAVE_ZLIB.
7457         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7458         on HAVE_ZLIB.
7459         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7460         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7461
7462 2008-04-07  Ian Lance Taylor  <iant@google.com>
7463
7464         * version.cc (version_string): Set to "1.5".
7465
7466         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7467         Add issued_non_pic_error_ field.  Declare check_non_pic.
7468         (Target_x86_64::Scan::check_non_pic): New function.
7469         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7470         (Target_x86_64::Scan::global): Likewise.
7471
7472         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7473         addend parameter.  Change caller.  Handle merge sections.
7474         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7475         Address to Addend.  Don't add in the result of
7476         local_section_offset, pass down the addend and use the returned
7477         value.
7478         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7479         Update declarations of local_section_offset and symbol_value.
7480         * testsuite/two_file_test_1.cc (t18): New function.
7481         * testsuite/two_file_test_2.cc (f18): New function.
7482         * testsuite/two_file_test_main.cc (main): Call t18.
7483         * testsuite/two_file_test.h (t18, f18): Declare.
7484
7485         * configure.ac: Don't test for objdump, c++filt, or readelf.
7486         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7487         conditionals.
7488         (TEST_READELF): New variable.
7489         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7490         (check_PROGRAMS): Add two_file_strip_test.
7491         (two_file_strip_test): New target.
7492         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7493         (two_file_same_shared_strip_test_SOURCES): New variable.
7494         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7495         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7496         (two_file_same_shared_strip_test_LDADD): New variable.
7497         (two_file_shared_strip.so): New target.
7498         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7499         (ver_test_5.syms, ver_test_7.syms): Likewise.
7500         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7501         (strip_test_3.stdout): Use TEST_OBJDUMP.
7502         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7503
7504 2008-04-04  Cary Coutant  <ccoutant@google.com>
7505
7506         * symtab.h (Symbol::is_weak_undefined): New function.
7507         (Symbol::is_strong_undefined): New function.
7508         (Symbol::is_absolute): New function.
7509         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7510         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7511         absolute symbols.
7512         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7513         (weak_undef_test): New target.
7514         * testsuite/Makefile.in: Rebuild.
7515         * testsuite/weak_undef_file1.cc: New file.
7516         * testsuite/weak_undef_file2.cc: New file.
7517         * testsuite/weak_undef_test.cc: New file.
7518
7519 2008-04-03  Craig Silverstein  <csilvers@google.com>
7520
7521         * compressed_output.h (class Output_compressed_section): Use
7522         unsigned buffer.
7523         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7524         add zlib header.
7525         (zlib_compressed_suffix): Removed.
7526         (Output_compressed_section::set_final_data_size): Use unsigned
7527         buffers.
7528         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7529         Fix linker invocation.
7530         (flagstest_o_specialfile_and_compress_debug_sections):
7531         Likewise.
7532         * testsuite/Makefile.in: Regenerated.
7533
7534 2008-04-02  David S. Miller  <davem@davemloft.net>
7535
7536         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7537         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7538
7539 2008-04-02  Craig Silverstein  <csilvers@google.com>
7540
7541         * TODO: New file.
7542
7543 2008-04-02  Ian Lance Taylor  <iant@google.com>
7544
7545         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7546         parameters.  Update for new key type to views_.  Change all
7547         callers.
7548         (File_read::read): Adjust for byteshift in returned view.
7549         (File_read::add_view): New function, broken out of
7550         find_and_make_view.
7551         (File_read::make_view): New function, broken out of
7552         find_and_make_view.
7553         (File_read::find_or_make_view): Add offset and aligned
7554         parameters.  Rewrite accordingly.  Change all callers.
7555         (File_read::get_view): Add offset and aligned parameters.  Adjust
7556         for byteshift in return value.
7557         (File_read::get_lasting_view): Likewise.
7558         * fileread.h (class File_read): Update declarations.
7559         (class File_read::View): Add byteshift_ field.  Add byteshift to
7560         constructor.  Add byteshift method.
7561         * archive.h (Archive::clear_uncached_views): New function.
7562         (Archive::get_view): Add aligned parameter.  Change all callers.
7563         * object.h (Object::get_view): Add aligned parameter.  Change all
7564         callers.
7565         (Object::get_lasting_view): Likewise.
7566
7567         * fileread.cc (File_read::release): Don't call clear_views if
7568         there are multiple objects.
7569         * fileread.h (File_read::clear_uncached_views): New function.
7570         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7571         on the archive.
7572
7573 2008-03-31  Cary Coutant  <ccoutant@google.com>
7574
7575         Add thin archive support.
7576         * archive.cc (Archive::armagt): New const.
7577         (Archive::setup): Remove task parameter and calls to unlock.
7578         (Archive::unlock_nested_archives): New function.
7579         (Archive::read_header): Add nested_off parameter. Change
7580         all callers.
7581         (Archive::interpret_header): Likewise.
7582         (Archive::include_all_members): Change to handle thin
7583         archives.
7584         (Archive::include_member): Likewise.
7585         * archive.h (Archive::Archive): Add new parameters and
7586         initializers.
7587         (Archive::armagt): New const.
7588         (Archive::setup): Remove task parameter.
7589         (Archive::unlock_nested_archives): New function.
7590         (Archive::read_header): Add nested_off parameter.
7591         (Archive::interpret_header): Likewise.
7592         (Archive::Nested_archive_table): New typedef.
7593         (Archive::is_thin_archive_): New field.
7594         (Archive::nested_archives_): New field.
7595         (Archive::options_): New field.
7596         (Archive::dirpath_): New field.
7597         (Archive::task_): New field.
7598         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7599         for thin archives.  Pass additional parameters to
7600         Archive::Archive.  Unlock the archive file after calling
7601         Archive::setup.
7602
7603 2008-03-29  Ian Lance Taylor  <iant@google.com>
7604
7605         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7606         version symbol to be local.
7607         * testsuite/ver_test_4.sh: New file.
7608         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7609         (check_DATA): Add ver_test_4.syms.
7610         (ver_test_4.syms): New target.
7611         * testsuite/Makefile.in: Rebuild.
7612
7613         * output.cc
7614         (Output_section::Input_section_sort_entry::has_priority): New
7615         function.
7616         (Output_section::Input_section_sort_entry::match_file_name): New
7617         function.
7618         (Output_section::Input_section_sort_entry::match_section_name):
7619         Remove.
7620         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7621         Remove.
7622         (Output_section::Input_section_sort_entry::match_section_file):
7623         Remove.
7624         (Output_section::Input_section_sort_compare::operator()): Rewrite
7625         using new Input_section_sort_entry functions.  Sort crtbegin and
7626         crtend first.  Sort sections with no priority before sections with
7627         a priority.
7628         * testsuite/initpri1.c (d3): Check j != 4.
7629         (cd5): New constructor/destructor function.
7630         (main): Check j != 2.
7631
7632         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7633         new symbol when resolving, don't call set_is_default.
7634         * testsuite/ver_test_7.cc: New file.
7635         * testsuite/ver_test_7.sh: New file.
7636         * testsuite/Makefile.am (ver_test_7.so): New target.
7637         (ver_test_7.o): New target.
7638         (check_SCRIPTS): Add ver_test_7.sh.
7639         (check_DATA): Add ver_test_7.syms.
7640         (ver_test_7.syms): New target.
7641
7642 2008-03-28  Ian Lance Taylor  <iant@google.com>
7643
7644         * layout.cc (Layout::layout): If we see an input section with a
7645         name that needs sorting, set the must_sort flag for the output
7646         section.
7647         (Layout::make_output_section): If the name of the output section
7648         indicates that it might require sorting, set the may_sort flag.
7649         * output.h (Output_section::may_sort_attached_input_sections): New
7650         function.
7651         (Output_section::set_may_sort_attached_input_sections): New
7652         function.
7653         (Output_section::must_sort_attached_input_sections): New
7654         function.
7655         (Output_section::set_must_sort_attached_input_sections): New
7656         function.
7657         (class Output_section): Declare Input_section_sort_entry.  Define
7658         Input_section_sort_compare.  Declare
7659         sort_attached_input_sections.  Add new fields:
7660         may_sort_attached_input_sections_,
7661         must_sort_attached_input_sections_,
7662         attached_input_sections_are_sorted_.
7663         * output.cc (Output_section::Output_section): Initialize new
7664         fields.
7665         (Output_section::add_input_section): Add an entry to
7666         input_sections_ if may_sort or must_sort are true.
7667         (Output_section::set_final_data_size): Call
7668         sort_attached_input_sections if necessary.
7669         (Output_section::Input_section_sort_entry): Define new class.
7670         (Output_section::Input_section_sort_compare::operator()): New
7671         function.
7672         (Output_section::sort_attached_input_sections): New function.
7673         * configure.ac: Check whether the compiler supports constructor
7674         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7675         * testsuite/initpri1.c: New file.
7676         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7677         CONSTRUCTOR_PRIORITY.
7678         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7679         (initpri1_LDFLAGS): New variable.
7680         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7681
7682 2008-03-27  Ian Lance Taylor  <iant@google.com>
7683
7684         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7685         * testsuite/common_test_1.c: New file.
7686         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7687         (common_test_1_SOURCES): New variable.
7688         (common_test_1_DEPENDENCIES): New variable.
7689         (common_test_1_LDFLAGS): New variable.
7690
7691         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7692         and commons_ correctly when NAME/VERSION does not override
7693         NAME/NULL.
7694         * testsuite/ver_test_6.c: New file.
7695         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7696         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7697         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7698
7699 2008-03-26  Ian Lance Taylor  <iant@google.com>
7700
7701         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7702         of an undefined symbol from a version script.
7703         * testsuite/Makefile.am (ver_test_5.so): New target.
7704         (ver_test_5.o): New target.
7705         (check_SCRIPTS): Add ver_test_5.sh.
7706         (check_DATA): Add ver_test_5.syms.
7707         (ver_test_5.syms): New target.
7708         * testsuite/ver_test_5.cc: New file.
7709         * testsuite/ver_test_5.script: New file.
7710         * testsuite/ver_test_5.sh: New file.
7711         * Makefile.in, testsuite/Makefile.in: Rebuild.
7712
7713         PR gold/5986
7714         Fix problems building gold with gcc 4.3.0.
7715         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7716         (gold_error_at_location, gold_warning_at_location): Use it.
7717         * configure.ac: Check whether we can compile and use a template
7718         function with a printf attribute.
7719         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7720         when jumping over bytes.
7721         * object.cc: Instantiate Object::read_section_data.
7722         * debug.h: Include <cstring>
7723         * dwarf_reader.cc: Include <algorithm>
7724         * main.cc: Include <cstring>.
7725         * options.cc: Include <cstring>.
7726         * output.cc: Include <cstring>.
7727         * script.cc: Include <cstring>.
7728         * script.h: Include <string>.
7729         * symtab.cc: Include <cstring> and <algorithm>.
7730         * target-select.cc: Include <cstring>.
7731         * version.cc: Include <string>.
7732         * testsuite/testmain.cc: Include <cstdlib>.
7733         * configure, config.in: Rebuild.
7734
7735 2008-03-25  Ian Lance Taylor  <iant@google.com>
7736
7737         * options.cc: Include "../bfd/bfdver.h".
7738         (options::help): Print bug reporting address.
7739
7740         * version.cc (print_version): Adjust output for current value of
7741         BFD_VERSION_STRING.
7742
7743         * NEWS: New file.
7744
7745         * options.cc (options::help): Print list of supported targets.
7746         * target-select.h: Include <vector>.
7747         (class Target_selector): Make machine_, size_, and is_big_endian_
7748         fields const.  Add bfd_name_ and instantiated_target_ fields.
7749         (Target_selector::Target_selector): Add bfd_name parameter.
7750         (Target_selector::recognize): Make non-virtual, call
7751         do_recognize.
7752         (Target_selector::recognize_by_name): Make non-virtual, call
7753         do_recognize_by_name.
7754         (Target_selector::supported_names): New function.
7755         (Target_selector::bfd_name): New function.
7756         (Target_selector::do_instantiate_target): New pure virtual
7757         function.
7758         (Target_selector::do_recognize): New virtual function.
7759         (Target_selector::do_recognize_by_name): New virtual function.
7760         (Target_selector::instantiate_target): New private function.
7761         (supported_target_names): Declare.
7762         * target-select.cc (Target_selector::Target_selector): Update for
7763         new parameter and fields.
7764         (select_target_by_name): Check that the name matches before
7765         calling recognize_by_name.
7766         (supported_target_names): New function.
7767         * i386.cc (class Target_selector_i386): Update Target_selector
7768         constructor call.  Remove recognize and recognize_by_name.  Add
7769         do_instantiate_target.
7770         * x86_64.cc (class Target_selector_x86_64): Likewise.
7771         * testsuite/testfile.cc (class Target_selector_test): Update for
7772         changes to Target_selector.
7773
7774         * README: Rewrite, with some notes on unsupported features.
7775
7776 2008-03-24  Cary Coutant  <ccoutant@google.com>
7777
7778         * i386.cc (Target_i386::Got_type): New enum declaration.
7779         (Target_i386::Scan::local): Updated callers of Output_data_got
7780         member functions.
7781         (Target_i386::Scan::global): Likewise.
7782         (Target_i386::Relocate::relocate): Likewise.
7783         (Target_i386::Relocate::relocate_tls): Likewise.
7784         * object.h (Got_offset_list): New class.
7785         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7786         (Sized_relobj::local_got_offset): Likewise.
7787         (Sized_relobj::set_local_got_offset): Likewise.
7788         (Sized_relobj::local_has_tls_got_offset): Removed.
7789         (Sized_relobj::local_tls_got_offset): Removed.
7790         (Sized_relobj::set_local_tls_got_offset): Removed.
7791         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7792         * output.cc (Output_data_got::add_global): Added got_type parameter.
7793         (Output_data_got::add_global_with_rel): Likewise.
7794         (Output_data_got::add_global_with_rela): Likewise.
7795         (Output_data_got::add_global_pair_with_rel): New function.
7796         (Output_data_got::add_global_pair_with_rela): New function.
7797         (Output_data_got::add_local): Added got_type parameter.
7798         (Output_data_got::add_local_with_rel): Likewise.
7799         (Output_data_got::add_local_with_rela): Likewise.
7800         (Output_data_got::add_local_pair_with_rel): New function.
7801         (Output_data_got::add_local_pair_with_rela): New function.
7802         (Output_data_got::add_global_tls): Removed.
7803         (Output_data_got::add_global_tls_with_rel): Removed.
7804         (Output_data_got::add_global_tls_with_rela): Removed.
7805         (Output_data_got::add_local_tls): Removed.
7806         (Output_data_got::add_local_tls_with_rel): Removed.
7807         (Output_data_got::add_local_tls_with_rela): Removed.
7808         * output.h (Output_data_got::add_global): Added got_type parameter.
7809         (Output_data_got::add_global_with_rel): Likewise.
7810         (Output_data_got::add_global_with_rela): Likewise.
7811         (Output_data_got::add_global_pair_with_rel): New function.
7812         (Output_data_got::add_global_pair_with_rela): New function.
7813         (Output_data_got::add_local): Added got_type parameter.
7814         (Output_data_got::add_local_with_rel): Likewise.
7815         (Output_data_got::add_local_with_rela): Likewise.
7816         (Output_data_got::add_local_pair_with_rel): New function.
7817         (Output_data_got::add_local_pair_with_rela): New function.
7818         (Output_data_got::add_global_tls): Removed.
7819         (Output_data_got::add_global_tls_with_rel): Removed.
7820         (Output_data_got::add_global_tls_with_rela): Removed.
7821         (Output_data_got::add_local_tls): Removed.
7822         (Output_data_got::add_local_tls_with_rel): Removed.
7823         (Output_data_got::add_local_tls_with_rela): Removed.
7824         * resolve.cc (Symbol::override_base_with_special): Removed
7825         reference to has_got_offset_ field.
7826         * symtab.cc (Symbol::init_fields): Replaced initialization
7827         of got_offset_ with got_offsets_.  Removed initialization
7828         of has_got_offset_
7829         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7830         (Symbol::got_offset): Likewise.
7831         (Symbol::set_got_offset): Likewise.
7832         (Symbol::has_tls_got_offset): Removed.
7833         (Symbol::tls_got_offset): Removed.
7834         (Symbol::set_tls_got_offset): Removed.
7835         (Symbol::got_offset_): Removed.
7836         (Symbol::tls_mod_got_offset_): Removed.
7837         (Symbol::tls_pair_got_offset_): Removed.
7838         (Symbol::got_offsets_): New field.
7839         (Symbol::has_got_offset): Removed.
7840         (Symbol::has_tls_mod_got_offset): Removed.
7841         (Symbol::has_tls_pair_got_offset): Removed.
7842         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7843         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7844         member functions.
7845         (Target_x86_64::Scan::global): Likewise.
7846         (Target_x86_64::Relocate::relocate): Likewise.
7847         (Target_x86_64::Relocate::relocate_tls): Likewise.
7848
7849 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7850
7851         * yyscript.y: Fix spelling error in comment.
7852
7853 2008-03-24  Ian Lance Taylor  <iant@google.com>
7854
7855         * options.h (class General_options): Define build_id option.
7856         * layout.h (class Layout): Declare write_build_id, create_note,
7857         create_build_id.  Add build_id_note_ member.
7858         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7859         "libiberty.h", "md5.h", "sha1.h".
7860         (Layout::Layout): Initialize eh_frame_data_,
7861         eh_frame_hdr_section_, and build_id_note_.
7862         (Layout::finalize): Call create_build_id.
7863         (Layout::create_note): New function, broken out of
7864         Layout::create_gold_note.
7865         (Layout::create_gold_note): Call create_note.
7866         (Layout::create_build_id): New function.
7867         (Layout::write_build_id): New function.
7868         (Close_task_runner::run): Call write_build_id.
7869
7870         * x86_64.cc: Correct license to GPLv3.
7871
7872 2008-03-23  Ian Lance Taylor  <iant@google.com>
7873
7874         * options.cc: Include "demangle.h".
7875         (parse_optional_string): New function.
7876         (parse_long_option): Handle takes_optional_argument.
7877         (parse_short_option): Update dash_z initializer.  Handle
7878         takes_optional_argument.
7879         (General_options::General_options): Initialize do_demangle_.
7880         (General_options::finalize): Set do_demangle_.  Handle demangling
7881         style.
7882         * options.h (parse_optional_string): Declare.
7883         (struct One_option): Add optional_arg field.  Update constructor.
7884         Update call constructor calls.  Add takes_optional_argument
7885         function.
7886         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7887         (DEFINE_optional_string): Define.
7888         (General_options::demangle): Change from DEFINE_bool to
7889         DEFINE_optional_string.
7890         (General_options::no_demangle): New function.
7891         (General_options::do_demangle): New function.
7892         (General_options::set_do_demangle): New function.
7893         (General_options::execstack_status_): Move definition to end of
7894         class definition.
7895         (General_options::static_): Likewise.
7896         (General_options::do_demangle_): New field.
7897         * object.cc (big_endian>::get_symbol_location_info): Call
7898         Options::do_demangle, not Options::demangle.
7899         * symtab.cc (demangle): Likewise.
7900
7901 2008-03-22  Ian Lance Taylor  <iant@google.com>
7902
7903         * gold.h: Include <cstddef> and <sys/types.h>
7904         * options.h: Include <cstring>.
7905
7906 2008-03-21  Ian Lance Taylor  <iant@google.com>
7907
7908         * Added source code to GNU binutils.