2b4e94b9168a5457b9a553ee072b3aa162619039
[external/binutils.git] / gold / ChangeLog
1 2010-06-01  Rafael Espindola  <espindola@google.com>
2
3         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4
5 2010-06-01  Rafael Espindola  <espindola@google.com>
6
7         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
8         visibility of symbols.
9
10 2010-05-27  Doug Kwan  <dougkwan@google.com>
11
12         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
13         from start of output section instead of address for a local symbol
14         in a merged or relaxed section when doing a relocatable link.
15
16 2010-05-26  Rafael Espindola  <espindola@google.com>
17
18        PR 11604
19         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
20         adding sections the garbage collector removed.
21         * gold/testsuite/Makefile.am: Add test.
22         * gold/testsuite/Makefile.in: Regenerate.
23         * gold/testsuite/plugin_test_7.sh: New.
24         * gold/testsuite/plugin_test_7_1.c: New.
25         * gold/testsuite/plugin_test_7_2.c: New.
26
27 2010-05-26  Rafael Espindola  <espindola@google.com>
28
29         * script-sections.cc (Output_section_definition::set_section_addresses):
30         Check for --section-start.
31
32 2010-05-26  Doug Kwan  <dougkwan@google.com>
33
34         * arm.cc (Arm_scan_relocatable_relocs): New class.
35         (Target_arm::relocate_special_relocatable): New method.
36         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
37         (Arm_relocate_functions::thumb_branch_common): Same.
38         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
39         instead of Default_scan_relocatable_relocs.
40         * target-reloc.h (relocate_for_relocatable): Let target handle
41         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
42         * target.h (Sized_target::relocate_special_relocatable): New method.
43
44 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
45
46         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
47
48 2010-05-23  Doug Kwan  <dougkwan@google.com>
49
50         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
51         instead of a cast.
52         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
53         with a direct branch, not a conditional branch, to a stub.
54         * merge.cc (Output_merge_base::record_input_section): New method
55         defintion.
56         (Output_merge_data::do_add_input_section): Record input section if
57         keeps-input-sections flag is set.
58         (Output_merge_string::do_add_input_section): Ditto.
59         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
60         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
61         INPUT_SECTIONS_.
62         (Output_merge_base::keeps_input_sections,
63         Output_merge_base::set_keeps_input_sections,
64         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
65         method definitions.
66         (Output_merge_base::Input_sections): New type declaration.
67         (Output_merge_base::input_sections_begin,
68         Output_merge_base::input_sections_end,
69         Output_merge_base::do_set_keeps_input_sections): New method definitions.
70         (Output_merge_base::bool keeps_input_sections_,
71         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
72         Output_merge_base::input_sections_): New data members.
73         (Output_merge_data::do_set_keeps_input_sections): New method
74         defintion.
75         (Output_merge_string::do_set_keeps_input_sections): Ditto.
76         * output.cc (Output_section::Input_section::relobj): Move method
77         defintion from class declaration to here and handle merge sections.
78         (Output_section::Input_section::shndx): Ditto.
79         (Output_section::Output_section): Remove initializations of removed
80         data members and initialize new data member LOOKUP_MAPS_.
81         (Output_section::add_input_section): Set keeps-input-sections flag
82         for a newly created merge output section as appropriate.  Adjust code
83         to use Output_section_lookup_maps class.
84         (Output_section::add_relaxed_input_section): Adjst code for lookup
85         maps code refactoring.
86         (Output_section::add_merge_input_section): Add a new parameter
87         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
88         class.  If adding input section to a newly created merge output
89         section fails, remove the new merge section.
90         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
91         Adjust code for use of the Output_section_lookup_maps class. 
92         (Output_section::find_merge_section): Ditto.
93         (Output_section::build_lookup_maps): New method defintion.
94         (Output_section::find_relaxed_input_section): Adjust code to use
95         Output_section_lookup_maps class.
96         (Output_section::get_input_sections): Export merge sections.  Adjust
97         code to use Output_section_lookup_maps class.
98         (Output_section:::add_script_input_section): Adjust code to use
99         Output_section_lookup_maps class.  Update lookup maps for merge
100         sections also.
101         (Output_section::discard_states): Use Output_section_lookup_maps.
102         (Output_section::restore_states): Same.
103         * output.h (Merge_section_properties): Move class defintion out of
104         Output_section.
105         (Output_section_lookup_maps): New class.
106         (Output_section::Input_section::is_merge_section): New method
107         defintion.
108         (Output_section::Input_section::relobj): Move defintion out of class
109         defintion.  Declare method only.
110         (Output_section::Input_section::shndx): Ditto.
111         (Output_section::Input_section::output_merge_base): New method defintion.
112         (Output_section::Input_section::u2_.pomb): New union field.
113         (Output_section::Merge_section_by_properties_map,
114         Output_section::Output_section_data_by_input_section_map,
115         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
116         Remove types.
117         (Output_section::add_merge_input_section): Add new parameter
118         KEEPS_INPUT_SECTIONS.
119         (Output_section::build_lookup_maps): New method declaration.
120         (Output_section::merge_section_map_,
121         Output_section::merge_section_by_properties_map_,
122         Output_section::relaxed_input_section_map_,
123         Output_section::is_relaxed_input_section_map_valid_): Remove data
124         members.
125         (Output_section::lookup_maps_): New data member.
126
127 2010-05-21  Doug Kwan  <dougkwan@google.com>
128
129         PR gold/11619
130         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
131         avoid a compilation error.
132
133 2010-05-19  Rafael Espindola  <espindola@google.com>
134
135         * script-sections.cc (Output_section_definition::allocate_to_segment):
136         Update the phdrs_list even when the output section is NULL.
137         * testsuite/Makefile.am: Add test.
138         * testsuite/Makefile.in: Regenerate.
139         * testsuite/script_test_9.cc: New.
140         * testsuite/script_test_9.sh: New.
141         * testsuite/script_test_9.t: New.
142
143 2010-05-19  Doug Kwan  <dougkwan@google.com>
144
145         * arm.cc (Arm_input_section::original_size): New method.
146         (Arm_input_section::do_addralign): Add a cast.
147         (Arm_input_section::do_output_offset): Remove static cast.
148         (Arm_input_section::original_addralign,
149          Arm_input_section::original_size_): Change type to uint32_t.
150         (Arm_input_section::init): Add safe casts for section alignment
151         and size.
152         (Arm_input_section::set_final_data_size): Do not set address and
153         offset of stub table.
154         (Arm_output_section::fix_exidx_coverage): Change use of of
155         Output_section::Simple_input_section to that of
156         Output_section::Input_section.
157         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
158         except for the first pass.
159         * output.cc (Output_section::get_input_sections): Change type of
160         input_sections to std::list<Input_section>.
161         (Output_section::add_script_input_section): Rename from
162         Output_section::add_simple_input_section.  Change type of SIS
163         parameter from Simple_input_section to Input_section.
164         * output.h (Output_section::Simple_input_section): Remove class.
165         (Output_section::Input_section): Change class visibility to public.
166         (Output_section::Input_section::addralign): Use stored alignments
167         for special input sections if set.
168         (Output_section::Input_section::set_addralign): New method.
169         (Output_section::get_input_sections): Change parameter type from
170         list of Simple_input_section to list of Input_section.
171         (Output_section::add_script_input_section): Rename from
172         Output_section::add_simple_input_section. Change first parameter's
173         type from Simple_input_section to Input_section and remove the
174         second and third parameters.
175         * script-sections.cc (Input_section::Input_section_list): Change
176         type to list of Output_section::Input_section/
177         (Input_section_info::Input_section_info): Change parameter type of
178         INPUT_SECTION to Output_section::Input_section.
179         (Input_section_info::input_section): Change return type.
180         (Input_section_info::input_section_): Change type to
181         Output_section::Input_section.
182         (Output_section_element_input::set_section_addresses): Adjust code
183         to use Output_section::Input_section instead of
184         Output_section::Simple_input_section.  Adjust code for renaming
185         of Output_section::add_simple_input_section.
186         (Orphan_output_section::set_section_addresses): Ditto.
187
188 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
189
190         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
191         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
192
193 2010-05-18  Rafael Espindola  <espindola@google.com>
194
195         * options.cc (General_options::finalize): Handle -nostdlib.
196         * options.h (nostdlib): New option.
197         * script.cc (script_add_search_dir): Handle -nostdlib.
198
199 2010-05-12  Doug Kwan  <dougkwan@google.com>
200
201         * arm.cc (Target_arm::do_finalize_sections): Create an empty
202         attributes section only if there no attributes section after merging.
203         (Target_arm::merge_object_attributes): Move value of
204         Tag_MPextension_use_legacy to that of Tag_MPextension_use. 
205         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
206         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
207         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
208         and arm_attr_merge_7.stdout.
209         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
210         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
211         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
212         arm_attr_merge_7b.o): New rules.
213         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
214         arm_attr_merge_7
215         * testsuite/Makefile.in: Regenerate.
216         * testsuite/arm_attr_merge.sh: New file.
217         * testsuite/arm_attr_merge_[67][ab].s: Same.
218
219 2010-05-05  Nick Clifton  <nickc@redhat.com>
220
221         * po/es.po: Updated Spanish translation.
222
223 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
224
225         * Makefile.am (install-exec-local): Properly install gold as
226         default cross linker.
227         * Makefile.in: Regenerated.
228
229 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
230             Nick Clifton  <nickc@redhat.com>
231
232         * configure.ac (install_as_default): Define and set to false
233         unless --enable-gold or --enable-gold=both/gold has been
234         specified.
235         * configure: Regenerate.
236
237         * Makefile.am (install-exec-local): Install the executable as
238         'ld.gold'.  If install_as_default is true then also install it as
239         'ld'.
240         * Makefile.in: Regenerated.
241
242 2010-04-24  Ian Lance Taylor  <iant@google.com>
243
244         * layout.cc (Layout::layout_reloc): In relocatable link don't
245         combine reloc sections for grouped sections.
246
247 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
248
249         * gc.h (gc_process_relocs): Pass information on relocs pointing to
250         sections that are not ordinary to icf.
251         * icf.cc (get_section_contents): Handle relocation pointing to section
252         with no object or shndx information.
253         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
254         * testsuite/Makefile.in: Regenerate.
255         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
256         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
257
258 2010-04-22  Ian Lance Taylor  <iant@google.com>
259
260         * expression.cc (Expression::Expression_eval_info): Add
261         result_alignment_pointer field.
262         (Expression::eval_with_dot): Add result_alignment_pointer
263         parameter.  Change all callers.
264         (Expression::eval_maybe_dot): Likewise.
265         (class Binary_expression): Add alignment_pointer parameter to
266         left_value and right_value.  Change all callers.
267         (BINARY_EXPRESSION): Set result alignment.
268         (class Trinary_expression): Add alignment_pointer parameter to
269         arg2_value and arg3_value.  Change all callers.
270         (Trinary_cond::value): Set result alignment.
271         (Max_expression::value, Min_expression::value): Likewise.
272         (Align_expression::value): Likewise.
273         * script-sections.cc (class Sections_element): Add dot_alignment
274         parameter to set_section_addresses virtual function.  Update
275         instantiations.
276         (class Output_section_element): Likewise.
277         (Script_sections::create_segments): Add dot_alignment parameter.
278         Change all callers.
279         (Script_sections::create_segments_from_phdrs_clause): Likewise.
280         (Script_sections::set_phdrs_clause_addresses): Likewise.
281         * script-sections.h: Update declarations.
282         * script.h: Update declarations.
283         * output.h (Output_segment::set_minimum_p_align): Don't decrease
284         min_p_align.
285         * testsuite/script_test_3.t: Set large alignment.
286         * testsuite/script_test_3.sh: Make sure that at least one LOAD
287         segment has expected alignment.
288
289 2010-04-22  Nick Clifton  <nickc@redhat.com>
290
291         * po/gold.pot: Updated by the Translation project.
292         * po/vi.po: Updated Vietnamese translation.
293
294 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
295
296         * testsuite/Makefile.am (check_PROGRAMS): Add
297         icf_virtual_function_folding_test.
298         * testsuite/Makefile.in: Regenerated.
299
300 2010-04-15  Andrew Haley  <aph@redhat.com>
301
302         * options.h (merge_exidx_entries): New option.
303         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
304         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
305         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
306         (Target_arm::merge_exidx_entries): New function.
307         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
308         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
309         to Arm_exidx_fixup constructor.
310         Add new arg, merge_exidx_entries.
311         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
312         Arm_output_section::fix_exidx_coverage.
313
314 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
315
316         * icf.cc (get_section_contents): Check for preemptible functions.
317         Ignore addend when appropriate.
318         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
319         section folded.
320         (add_from_relobj): Check for section folded.
321         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
322         * symtab.h (should_add_dynsym_entry): Add new parameter.
323         * target-reloc.h (scan_relocs): Check for section folded.
324         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
325         Check reloc types for function pointers in shared objects.
326         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
327         case.
328         (icf_preemptible_functions_test): New test case.
329         (icf_string_merge_test): New test case.
330         * testsuite.Makefile.in: Regenerate.
331         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
332         bar_glob.  Refactor code.
333         * testsuite/icf_preemptible_functions_test.cc: New file.
334         * testsuite/icf_preemptible_functions_test.sh: New file.
335         * testsuite/icf_string_merge_test.cc: New file.
336         * testsuite/icf_string_merge_test.sh: New file.
337         * testsuite/icf_virtual_function_folding_test.cc: New file.
338         * testsuite/icf_virtual_function_folding_test.sh: New file.
339
340 2010-04-14  Doug Kwan  <dougkwan@google.com>
341
342         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
343         for local symbol recounting if we remove a section due to ICF.
344         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
345         there are no regular objects in input.
346
347 2010-04-13  Doug Kwan  <dougkwan@google.com>
348
349         * arm.cc (Arm_input_section::set_final_data_size): Compute
350         accurate final data size instead of using current data size.
351
352 2010-04-09  Doug Kwan  <dougkwan@google.com>
353
354         * layout.cc (Layout::choose_output_section): Handle script section
355         types.
356         (Layout::make_output_section_for_script): Add section type parameter.
357         Handle script section types.
358         * layout.h (Layout::make_output_section_for_script): Add section
359         type parameter.
360         * output.cc (Output_section::Output_section): Initialize data member
361         is_noload_.
362         (Output_section::do_reset_address_and_file_offset): Do not set address
363         to 0 if section is a NOLOAD section.
364         * output.h (Output_section::is_noload): New method.
365         (Output_section::set_is_noload): Ditto.
366         (Output_section::is_noload_): New data member.
367         * script-c.h (Script_section_type): New enum type.
368         (struct Parser_output_section_header): Add new file section_type.
369         * script-sections.cc (Sections_element::output_section_name): Add
370         parameter for returning script section type.
371         (Output_section_definition::output_section_name): Ditto.
372         (Output_section_definition::section_type)P; New method.
373         (Output_section_definiton::script_section_type_name): Ditto.
374         (Output_section_definition::script_section_type_): New data member.
375         (Output_section_definition::Output_section_definition): Initialize
376         data member Output_section_definition::script_section_type_.
377         (Output_section_definition::create_sections): Pass script section type
378         to Layout::make_output_section_for_script.
379         (Output_section_definition::output_section_name): Return script
380         section type to caller.
381         (Output_section_definition::set_section_address): Do not advance
382         dot value and load address if section type is NOLOAD.  Set address
383         of NOLOAD sections regardless of section flags.
384         (Output_section_definition::print): Print section type if it is
385         not SCRIPT_SECTION_TYPE_NONE.
386         (Output_section_definition::section_type): New method.
387         (Output_section_definition::script_section_type_name): Ditto.
388         (Script_sections::output_section_name): Add new parameter
389         PSECTION_TYPE for returning script section type.  Pass it to
390         section elements.  Handle discard sections.
391         (Sort_output_sections::operator()): Handle NOLOAD sections.
392         * script-sections.h (Script_sections::Section_type): New enum type.
393         (Script_sections::output_section_name): Add a new parameter for
394         returning script section type.
395         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
396         INFO and NOLOAD.
397         * yyscript.y (union): Add new field SECTION_TYPE.
398         (COPY, DSECT, INFO, NOLOAD): New tokens.
399         (opt_address_and_section_type): Change type to output_section_header.
400         (section_type): New non-terminal
401         (section_header): Handle section type.
402         (opt_address_and_section_type): Return section type value.
403
404 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
405
406         * testsuite/plugin_common_test_1.c (foo): Add prototype.
407         * testsuite/plugin_common_test_2.c (foo): Likewise.
408
409 2010-04-08  Doug Kwan  <dougkwan@google.com>
410
411         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
412         Output_merge_data.
413         * output.cc (Output_section::add_merge_input_section): Simplify
414         code and return status of Output_merge_base::add_input_section.
415         Update merge section map only if Output_merge_base::add_input_section 
416         returns true.
417
418 2010-04-07  Doug Kwan  <dougkwan@google.com>
419
420         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
421         if section is marked as containing instructions but has no mapping
422         symbols.
423         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
424         correct section index.
425         (Arm_relobj::find_linked_text_section): Ditto.
426
427 2010-04-07  Cary Coutant  <ccoutant@google.com>
428
429         * archive.cc (include_member): Destroy Read_symbols_data object before
430         releasing file.
431         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
432         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
433         (Read_symbols_data::~Read_symbols_data) New destructor.
434         (Section_relocs::Section_relocs) New constructor.
435         (Section_relocs::~Section_relocs) New destructor.
436         (Read_relocs_data::Read_relocs_data) New constructor.
437         (Read_relocs_data::~Read_relocs_data) New destructor.
438         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
439         pointers to NULL after deleting.
440
441 2010-04-07  Doug Kwan  <dougkwan@google.com>
442
443         * arm.cc: Replace "endianity" with "endianness" in comments.
444         (Arm_exidx_cantunwind): Ditto.
445         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
446         (Arm_relobj::merge_flags_and_attributes): New method.
447         (Arm_relobj::merge_flags_and_attributes_): New data member.
448         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
449         (Arm_relobj::scan_sections_for_stubs): Ditto.
450         (Arm_relobj::do_read_symbols): Check to see if we really want to
451         merge processor-specific flags and attributes.  Exit early if
452         an object is empty except for section names and the undefined symbol.
453         (Target_arm::do_finalize_sections): Move check for ELF format to
454         Arm_relobj::do_read_symbols.  Merge processor specific flags and
455         attributes from a regular object only when we have determined that
456         it is aapropriate.  Do not create an .ARM.attributes section in
457         output if there is no regular input object.
458         (Target_arm::merge_processor_specific_flags): Check
459         --warn-mismatch before printing any error.
460         (Target_arm::merge_object_attributes): Ditto.
461         * gold.cc (queue_middle_tasks): Handle the case in which there is
462         no regular object in input.
463         * options.cc (General_options::parse_EB): New method.
464         (General_options::parse_EL): Same.
465         (General_options::General_options): Initialize endianness_.
466         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
467         New options.
468         (General_options::Endianness): New enum.
469         (General_options::endianness): New method.
470         (General_options::endianness_): New data member.
471         * parameters.cc (Parameters::set_options): Check target endianness.
472         (Parameters::set_target_once): Ditto.
473         (Parameters::check_target_endianness): New method.
474         (parameters_force_valid_target): If either -EL or -EB is specified,
475         use it to define endianness of default target.
476         * parameters.h (Parameters::check_target_endianness): New method
477         declaration.
478         * target.h (class Target): Change "endianity" to "endianness"
479         in comments.
480
481 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
482
483         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
484         * configure: Regenerate.
485         * Makefile.in: Regenerate.
486         * testsuite/Makefile.in: Regenerate.
487
488 2010-04-06  Cary Coutant  <ccoutant@google.com>
489
490         gcc PR lto/42757
491         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
492         prevailing definitions of common symbols.
493         * testsuite/plugin_test_6.sh: New test case.
494         * testsuite/plugin_common_test_1.c: New test case.
495         * testsuite/plugin_common_test_2.c: New test case.
496         * testsuite/Makefile.am (plugin_test_6): New test case.
497         * testsuite/Makefile.in: Regenerate.
498
499 2010-04-06  Nick Clifton  <nickc@redhat.com>
500
501         * po/vi.po: New Vietnamese translation.
502
503 2010-03-30  Doug Kwan  <dougkwan@google.com>
504
505         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
506
507 2010-03-25  Doug Kwan  <dougkwan@google.com>
508
509         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
510         to avoid a conversion warning on a 32-bit host.
511
512 2010-03-24  Ian Lance Taylor  <iant@google.com>
513
514         * testsuite/script_test_3.t: Add a TLS segment.
515         * testsuite/Makefile.am (check_PROGRAMS): Add
516         tls_phdrs_script_test.
517         (tls_phdrs_script_test_SOURCES): Define.
518         (tls_phdrs_script_test_DEPENDENCIES): Define.
519         (tls_phdrs_script_test_LDFLAGS): Define.
520         (tls_phdrs_script_test_LDADD): Define.
521         * testsuite/Makefile.in: Rebuild.
522
523 2010-03-23  Cary Coutant  <ccoutant@google.com>
524
525         * fileread.cc (find_or_make_view): Fix comment.
526
527 2010-03-23  Ian Lance Taylor  <iant@google.com>
528
529         * script-sections.cc (class Orphan_section_placement): Define
530         PLACE_TLS and PLACE_TLS_BSS.
531         (Orphan_section_placement::Orphan_section_placement): Initialize
532         new places.
533         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
534         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
535         (tls_script_test_SOURCES): Define.
536         (tls_script_test_DEPENDENCIES): Define.
537         (tls_script_test_LDFLAGS): Define.
538         (tls_script_test_LDADD): Define.
539         * testsuite/Makefile.in: Rebuild.
540
541 2010-03-22  Doug Kwan  <dougkwan@google.com>
542
543         * arm.cc (Arm_relocate_functions::abs8,
544         Arm_relocate_functions::abs16): Use correct check for overflow
545         specified in the ARM ELF specs.
546         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
547         target of a BLX instruction specially.
548         (Reloc_stub::stub_type_for_reloc): Ditto.
549         (Relocate::relocate): Use symbolic names instead of numeric relocation
550         codes to report error.
551         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
552         workaround.
553         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
554         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
555         thumb2_blx_out_of_range.stdout
556         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
557         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
558         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
559         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
560         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
561         thumb2_blx_in_range, thumb2_blx_in_range.o,
562         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
563         thumb2_blx_out_of_range.o): New rules.
564         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
565         thumb2_blx_in_range and thumb2_blx_out_of_range.
566         * testsuite/Makefile.in: Regenerate.
567         * arm_branch_in_range.sh: Add tests for THUMB BLX.
568         * testsuite/thumb_blx_in_range.s: New file.
569         * testsuite/thumb_blx_out_of_range.s: New file.
570
571 2010-03-22  Rafael Espindola  <espindola@google.com>
572
573         * archive.cc (Should_include): Move to archive.h.
574         (should_include_member): Make it a member of Archive.
575         (Lib_group): New.
576         (Add_lib_group_symbols): New.
577         * archive.h: Include options.h.
578         (Archive_member): Moved from Archive.
579         (Should_include): Moved from archive.cc.
580         (Lib_group): New.
581         (Add_lib_group_symbols): New.
582         * dynobj.cc (do_should_include_member): New.
583         * dynobj.h (do_should_include_member): New.
584         * gold.cc (queue_initial_tasks): Update call to queue.
585         * main.cc (main): Print lib group stats.
586         * object.cc (do_should_include_member): New.
587         * object.h: Include archive.h.
588         (Object::should_include_member): New.
589         (Object::do_should_include_member): New.
590         (Sized_relobj::do_should_include_member): New.
591         * options.cc (General_options::parse_start_lib): New.
592         (General_options::parse_end_lib): New.
593         (Input_arguments::add_file): Handle lib groups.
594         (Input_arguments::start_group): Check we are not in a lib.
595         (Input_arguments::start_lib): New.
596         (Input_arguments::end_lib): New.
597         * options.h (General_options): Add start_lib and end_lib.
598         (Input_argument::lib_): New.
599         (Input_argument::lib): New.
600         (Input_argument::is_lib): New.
601         (Input_file_lib): New.
602         (Input_arguments::in_lib_): New.
603         (Input_arguments::in_lib): New.
604         (Input_arguments::start_lib): New.
605         (Input_arguments::end_lib_): New.
606         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
607         in unused members as preempted.
608         (Sized_pluginobj::do_should_include_member): New.
609         * plugin.h (Sized_pluginobj::do_should_include_member): New.
610         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
611         return the blocker.
612         (Read_symbols::do_whole_lib_group): New.
613         (Read_symbols::do_lib_group): New.
614         (Read_symbols::do_read_symbols): Handle lib groups.
615         (Read_symbols::get_name): Handle lib groups.
616         * readsyms.h (Read_symbols): Add an archive member pointer.
617         (Read_symbols::do_whole_lib_group): New.
618         (Read_symbols::do_lib_group): New.
619         (Read_symbols::member_): New.
620         * script.cc (read_input_script): Update call to queue_soon.
621
622 2010-03-19  Doug Kwan  <dougkwan@google.com>
623
624         * arm.cc (Stub_table::Stub_table): Initialize new data members
625         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
626         (Stub_table::add_reloc_stub): Assign stub offset and update
627         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
628         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
629         New data members.
630         (Stub_table::update_data_size_and_addralign): Use
631         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
632         instead of going over all reloc stubs.
633         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
634         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
635         Stringpool_template::offset_ to size of Stringpool_char.
636         (Stringpool_template::new_key_offset): Remove code to initialize
637         Stringpool_template::offset_.
638         * stringpool.h (Stringpool_template::set_no_zero_null): Set
639         Stringpool_template::offset_ to zero.
640
641 2010-03-15  Doug Kwan  <dougkwan@google.com>
642
643         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
644         offset_.
645         (Stringpool_template::new_key_offset): New method.
646         (Stringpool_template::add_string): Assign offsets when adding new
647         strings.
648         (Stringpool_template::set_string_offsets): Do not set string offsets
649         when not optimizing.
650         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
651         member size_.
652         (Chunked_vector::clear): Clear size_.
653         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
654         (Chunked_vector::size): Return size_.
655         (Chunked_vector::push_back): Use size_ to find insert position.
656         (Chunked_vector::size_): New data member. 
657         (Stringpool_template::set_no_zero_null): Assert string set is empty.
658         (Stringpool_template::new_key_offset): New method declaration.
659         (Stringpool_template::offset_): New data member.
660
661 2010-03-15   Rafael Espindola  <espindola@google.com>
662
663         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
664         Add_symbols' constructor.
665         * readsyms.h (Add_symbols): Remove the input_group member.
666
667 2010-03-10  Ian Lance Taylor  <iant@google.com>
668
669         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
670         target to ask whether a reference to a symbol requires a stack
671         split.
672         * target.h (Target::is_call_to_non_split): New function.
673         (Target::do_is_call_to_non_split): Declare virtual function.
674         * target.cc: Include "symtab.h".
675         (Target::do_is_call_to_non_split): New function.
676         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
677
678 2010-03-10  Cary Coutant  <ccoutant@google.com>
679
680         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
681         (File_read::open[1]): Remove initial mapping of whole_file_view_.
682         (File_read::open[2]): Add whole_file_view_ to list of views.
683         (File_read::make_view): Remove test of whole_file_view_.
684         (File_read::find_or_make_view): Create whole_file_view_ if
685         necessary.
686         (File_read::clear_views): Replace bool parameter with enum;
687         adjust all callers.  Don't delete views with permanent data;
688         do delete cached views and views from archives if
689         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
690         if clearing the corresponding view.
691         * fileread.h (File_read::Clear_views_mode): New enum.
692         (File_read::View::is_permanent_view): New method.
693         (File_read::clear_views): Replace bool parameter
694         with enum; adjust all callers.
695         * options.h (General_options): Change keep_files_mapped option;
696         add map_whole_files.
697         * readsyms.cc (Add_symbols::run): Delete sd_ object before
698         releasing the file.
699         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
700         the file.
701
702 2010-03-10  David S. Miller  <davem@davemloft.net>
703
704         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
705
706 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
707
708         * icf.cc (get_section_contents): Add '@' marker after processing the
709         merge reloc.
710
711 2010-03-08  Doug Kwan  <dougkwan@google.com>
712
713         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
714         due to a conversion warning.
715         (Arm_relobj::update_output_local_symbol_count): Check for local
716         symbol with unset output index.
717
718 2010-03-05  Ian Lance Taylor  <iant@google.com>
719
720         * options.h (class General_options): Add --spare-dynamic-tags.
721         * output.cc (Output_data_dynamic::set_final_data_size): Implement
722         --spare-dynamic-tags.
723
724 2010-03-05  Ian Lance Taylor  <iant@google.com>
725
726         * incremental.cc: Include "libiberty.h".
727
728 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
729
730         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
731         function, is_info_ member.
732         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
733         (Versions::Versions): Update caller.
734         (Versions::define_base_version): Likewise.
735         (Versions::add_def): Likewise.
736
737 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
738
739         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
740         (Scan::possible_function_pointer_reloc): New function.
741         (Scan::local_reloc_may_be_function_pointer): Change to call
742         possible_function_pointer_reloc.
743         (Scan::global_reloc_may_be_function_pointer): Ditto.
744         * icf.h (Icf::check_section_for_function_pointers): Change to reject
745         relocations in ".data.rel.ro._ZTV" section.
746         * testsuite/icf_safe_so_test.sh: Change to pass i386.
747         * testsuite/icf_safe_so_test.cc: Ditto.
748         * testsuite/icf_safe_test.cc: Ditto.
749         * testsuite/icf_safe_test.sh: Ditto.
750
751 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
752             Ian Lance Taylor  <iant@google.com>
753
754         * target-reloc.h (relocate_section): Check the symbol table index
755         for -1U before setting the local symbol index.
756         (scan_relocatable_relocs): If copying the relocation, record that
757         the local symbol is required.
758         * object.h (Symbol_value::is_output_symtab_index_set): New
759         function.
760         (Symbol_value::may_be_discarded_from_output_symtab): New
761         function.
762         (Symbol_value::has_output_symtab_entry): New function.
763         (Symbol_value::needs_output_symtab_entry): Remove.
764         (Symbol_value::output_symtab_index): Make sure the symbol index is
765         set.
766         (Symbol_value::set_output_symtab_index): Make sure the symbol
767         index is not set.  Make sure the new index is valid.
768         (Symbol_value::set_must_have_output_symtab_entry): New function.
769         (Symbol_value::has_output_dynsym_entry): New function.
770         (Symbol_value::set_output_dynsym_index): Make sure the new index
771         is valid.
772         (Sized_relobj::set_must_have_output_symtab_entry): New function.
773         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
774         local symbol if permitted.
775         (Sized_relobj::do_finalize_local_symbols): Call
776         is_output_symtab_index_set rather than needs_output_symtab_entry.
777         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
778         rather than needs_output_symtab_entry.  Call
779         has_output_dynsym_entry rather than needs_output_dynsym_entry.
780         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
781         is_output_symtab_index_set rather than needs_output_symtab_entry.
782         * testsuite/discard_locals_relocatable_test.c: New file.
783         * testsuite/discard_locals_test.sh: Test -r.
784         * testsuite/Makefile.am (check_DATA): Add
785         discard_locals_relocatable_test1.syms,
786         discard_local_relocatable_test2.syms.
787         (MOSTLYCLEANFILES): Likewise.  Also add
788         discard_locals_relocatable_test1.lout and
789         discard_locals_relocatable_test2.out.
790         (discard_locals_relocatable_test1.syms): New target.
791         (discard_locals_relocatable_test.o): New target.
792         (discard_locals_relocatable_test1.out): New target.
793         (discard_locals_relocatable_test2.syms): New target.
794         (discard_locals_relocatable_test2.out): New target.
795         (various): Add missing ../ld-new dependencies.
796         * testsuite/Makefile.in: Rebuild.
797
798 2010-03-03  Nick Clifton  <nickc@redhat.com>
799
800         * po/fi.po: New Finnish translation.
801
802 2010-03-01  Doug Kwan  <dougkwan@google.com>
803
804         * layout.cc (Layout::Layout): Force section types of .init_array*,
805         .preinit_array* and .fini_array* sections.
806         * output.cc (Output_section::Input_section_sort_entry::has_priority):
807         Fix check of return value of std::string::find.().
808         (Output_section::Input_section_sort_compare::operator()): Remove
809         comment about .init_array.
810         (Output_section::Input_section_sort_init_fini_compare::operator()):
811         New method.
812         (Output_section::sort_attached_input_sections): Handle .init_array
813         and .fini_array specially.
814         * output.h (Output_section::Inut_section_sort_compare): Update
815         comment.
816         (Output_section::Input_section_sort_init_fini_compare): New struct.
817
818 2010-02-26  Doug Kwan  <dougkwan@google.com>
819
820         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
821         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
822         * testsuite/debug_msg.sh: Avoid matching source line number for
823         use of global variable undef_int.
824
825 2010-02-26  Doug Kwan  <dougkwan@google.com>
826
827         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
828         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
829         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
830         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
831         * options.cc (General_options::General_options): Initialize member
832         fix_v4bx_.
833         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
834         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
835         and rm_no_fix_v4bx.stdout
836         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
837         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
838         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
839         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
840         and arm_no_fix_v4bx.
841         * Makefile.in: Regenerate.
842         * testsuite/arm_fix_v4bx.s: New file.
843         * testsuite/arm_fix_v4bx.sh: Ditto.
844
845 2010-02-24  Doug Kwan  <dougkwan@google.com>
846
847         * arm.cc (Target_arm::got_section): Make the .got section the first
848         non RELRO section in the data segment.
849         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
850         suffixes of section names.
851
852 2010-02-24  Doug Kwan  <dougkwan@google.com>
853
854         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
855         flags and attributes merging if an input file is a binary file.
856         * fileread.cc (Input_file::open): Record format of original file.
857         * fileread.h (Input_file::Format): New enum type.
858         (Input_file::Input_file): Initialize data member format_.
859         (Input_file::format): New method definition.
860         (Input_file::format_):: New data member.
861
862 2010-02-24  Doug Kwan  <dougkwan@google.com>
863
864         * arm.cc (Arm_output_data_got): New class.
865         (ARM_TCB_SIZE): New constant
866         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
867         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
868         If user uses a script with a SECTIONS clause, issue only a warning
869         for a misplaced EXIDX input section.  Otherwise, issue an error.
870         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
871         garbage collection.
872         (Target_arm::got_mode_index_entry): Handle static linking.
873         (Target_arm::Scan::local): Ditto.
874         (Target_arm::Scan::global): Ditto.
875         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
876         all incorrectly implemented relocations.
877         (Target_arm::fix_exidx_coverage): Pass layout to 
878         Arm_output_section::fix_exidx_coverage.
879         * layout.cc (Layout::section_name_mapping): Remove trailing dots
880         from ".ARM.exidx." and ".ARM.extab.".
881
882 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
883
884         * arm.cc (Target_arm::do_finalize_sections): Create attribute
885         section if it does not already exist.
886         * attributes.cc (Attributes_section_data::Attributes_section_data):
887         Don't crash if size is zero.
888
889 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
890             Ian Lance Taylor  <iant@google.com>
891
892         * gold.cc (queue_middle_tasks): If no input files were opened,
893         exit.
894         * workqueue.h (Task_function::Task_function): Assert that there is
895         a blocker.
896
897 2010-02-22  Doug Kwan  <dougkwan@google.com>
898
899         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
900         * icf.cc (get_section_contents): Cast snprintf arguments to long long
901         types to avoid warnings due to different uint64_t implementations
902         on different hosts.
903
904 2010-02-21  Doug Kwan  <dougkwan@google.com>
905
906         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
907         handling of the maximum backward branch offset.
908         (Arm_relocate_functions::thumb_branch_common): Ditto.
909         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
910         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
911         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
912         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
913         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
914         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
915         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
916         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
917         thumb_bl_out_of_range thumb_bl_out_of_range.o,
918         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
919         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
920         thumb2_bl_out_of_range.o): New rules.
921         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
922         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
923         thumb2_bl_out_of_range
924         * testsuite/Makefile.in: Regenerate.
925         * testsuite/arm_bl_in_range.s: New file.
926         * testsuite/arm_bl_out_of_range.s: Ditto.
927         * testsuite/arm_branch_in_range.sh: Ditto.
928         * testsuite/arm_branch_range.t: Ditto.
929         * testsuite/thumb2_branch_range.t: Ditto.
930         * testsuite/thumb_bl_in_range.s: Ditto.
931         * testsuite/thumb_bl_out_of_range.s: Ditto.
932         * testsuite/thumb_branch_range.t: Ditto.
933
934 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
935
936         * gc.h (gc_process_relocs): Change vectors to point to the new list.
937         Add reloc offset information.
938         * icf.cc (get_section_contents): Change iterators to point to the new
939         vectors. Add reloc offset information to the contents.
940         * icf.h (Icf::Sections_reachable_info): New typedef.
941         (Icf::Sections_reachable_list): New typedef.
942         (Icf::Offset_info): New typedef.
943         (Icf::Reloc_info): New struct typedef.
944         (Icf::Reloc_info_list): New typedef.
945         (Icf::symbol_reloc_list): Delete method.
946         (Icf::addend_reloc_list): Delete method.
947         (Icf::section_reloc_list): Delete method.
948         (Icf::reloc_info_list): New method.
949         (Icf::reloc_info_list_): New member.
950
951 2010-02-19  Doug Kwan  <dougkwan@google.com>
952
953         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
954         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
955         * arm.cc (Arm_relocation_functions): New forward declaration.
956         (Target_arm::Target_arm): Initialize new data members
957         got_mod_index_offset_ and tls_base_symbol_defined_.
958         (Target_arm::Relocate::relocate_tls): New method.
959         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
960          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
961         New methods.
962         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
963         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
964         (Target_arm::got_mod_index_offset_,
965         Target_arm::tls_base_symbol_defined_): New data members.
966         (Target_arm::Scan::local, Target::Scan::global,
967         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
968         relocations.
969
970 2010-02-18  Doug Kwan  <dougkwan@google.com>
971
972         * arm.cc (Arm_relobj::find_linked_text_section): New method.
973         (Arm_relobj::make_exidx_input_section): Pass section index of linked
974         text section as a parameter becuase some broken tools may not set
975         the link in section header.
976         (Target_arm::has_got_section): New method.
977         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
978         without any mapping symbol as data only.  Remove warning.
979         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
980         link in its section header, try to discover the link by inspecting the
981         REL31 relocation at the beginning of the section.
982         (Target_arm::Scan::check_non_pic): Report name of offending relocation
983         in error message.
984         (Target_arm::Scan::global): Treat any reference to the symbol
985         _GLOBAL_OFFSET_TABLE_ as a GOT access.
986
987 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
988
989         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
990         (Scan::global_reloc_may_be_function_pointer): New function.
991         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
992         (Scan::global_reloc_may_be_function_pointer): New function.
993         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
994         (Scan::global_reloc_may_be_function_pointer): New function.
995         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
996         (Scan::global_reloc_may_be_function_pointer): New function.
997         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
998         (Scan::global_reloc_may_be_function_pointer): New function.
999         (Scan::possible_function_pointer_reloc): New function.
1000         (Target_x86_64::can_check_for_function_pointers): New function.
1001         * gc.h (gc_process_relocs): Scan relocation types to determine if
1002         function pointers were taken for targets that support it.
1003         * icf.cc (Icf::find_identical_sections): Include functions for
1004         folding in safe ICF whose pointer is not taken.
1005         * icf.h (Secn_fptr_taken_set): New typedef.
1006         (fptr_section_id_): New member.
1007         (section_has_function_pointers): New function.
1008         (set_section_has_function_pointers): New function.
1009         (check_section_for_function_pointers): New function.
1010         * options.h: Fix comment for safe ICF option.
1011         * target.h (can_check_for_function_pointers): New function.
1012         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1013         Modify icf_safe_test for X86-64.
1014         * testsuite/Makefile.in: Regenerate.
1015         * testsuite/icf_safe_so_test.cc: New file.
1016         * testsuite/icf_safe_so_test.sh: New file.
1017         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1018         (main): Change to take pointer to function kept_func_3.
1019         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1020         folding is done correctly for X86-64.
1021
1022 2010-02-12  David S. Miller  <davem@davemloft.net>
1023
1024         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1025         is_symbolless parameter.
1026         (Output_reloc<SHT_REL>::is_symbolless): New.
1027         (Output_reloc<SHT_REL>::is_symbolless_): New.
1028         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1029         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1030         (Output_reloc<SHT_RELA>::is_symbolless): New.
1031         (Output_data_reloc::add_global): Handle is_symbolless.
1032         (Output_data_reloc::add_global_relative): Likewise.
1033         (Output_data_reloc::add_local): Likewise.
1034         (Output_data_reloc::add_local_relative): Likewise.
1035         (Output_data_reloc::add_symbolless_global_addend): New.
1036         (Output_data_reloc::add_symbolless_local_addend): New.
1037         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1038         is_symbolless.
1039         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1040         instead of ->is_relative_
1041         (Output_reloc::write): Likewise.
1042         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1043         (Output_reloc::write_rel): Simplify.
1044
1045         * sparc.cc (Target_sparc::Scan::local): Use
1046         ->add_symbolless_local_addend as needed.
1047         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1048         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1049         based upon relocation offset.
1050
1051 2010-02-11  Doug Kwan  <dougkwan@google.com>
1052
1053         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1054         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1055         beginning of function.
1056         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1057         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1058         parameter is_32bit in calls to should_apply_static_reloc.
1059         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1060         (check_DATA): Add arm_abs_global.stdout.
1061         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1062         arm_abs_global.stdout): New rules.
1063         (MOSTLLYCLEANFILES): Add arm_abs_global
1064         * Makefile.in: Regenerate.
1065         * testsuite/arm_abs_global.s: New file.
1066         * testsuite/arm_abs_global.sh: Ditto.
1067         * testsuite/arm_abs_lib.s: Ditto.
1068
1069 2010-02-11  Ian Lance Taylor  <iant@google.com>
1070
1071         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1072         Read_relocs task.
1073         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1074         Allocate_commons_task first.
1075         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1076         task, rather than symtab_lock_.
1077         (Gc_process_relocs::~Gc_process_relocs): New function.
1078         (Gc_process_relocs::is_runnable): Check this_blocker_.
1079         (Gc_process_relocs::locks): Use next_blocker_ rather than
1080         blocker_.
1081         (Scan_relocs::~Scan_relocs): New function.
1082         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1083         symtab_lock_.
1084         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1085         next_blocker_.
1086         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1087         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1088         constructor accordingly.
1089         (class Gc_process_relocs): Likewise.
1090         (class Scan_relocs): Likewise.
1091         * common.h (class Allocate_commons_task): Remove symtab_lock_
1092         field, and corresponding constructor parameter.
1093         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1094         symtab_lock_.
1095         (Allocate_commons_task::locks): Likewise.
1096
1097 2010-02-11  Ian Lance Taylor  <iant@google.com>
1098
1099         * gold-threads.h (class Once): Define.
1100         (class Initialize_lock): Rewrite as child of Once.
1101         * gold-threads.cc (class Once_initialize): Define.
1102         (once_pointer_control): New static variable.
1103         (once_pointer, once_arg): New static variables.
1104         (c_run_once): New static function.
1105         (Once::Once, Once::run_once, Once::internal_run): New functions.
1106         (class Initialize_lock_once): Remove.
1107         (initialize_lock_control): Remove.
1108         (initialize_lock_pointer): Remove.
1109         (initialize_lock_once): Remove.
1110         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1111         (Initialize_lock::initialize): Rewrite.
1112         (Initialize_lock::do_run_once): New function.
1113         * archive.cc (Archive::interpret_header): Only clear name if it is
1114         not already empty.
1115         * fileread.cc: Include "gold-threads.h"
1116         (file_counts_lock): New static variable.
1117         (file_counts_initialize_lock): Likewise.
1118         (File_read::release): Only increment counts when using --stats.
1119         Use a lock around the increment.
1120         * parameters.cc (class Set_parameters_target_once): Define.
1121         (set_parameters_target_once): New static variable.
1122         (Parameters::Parameters): Move here from parameters.h.
1123         (Parameters::set_target): Rewrite.
1124         (Parameters::set_target_once): New function.
1125         (Parameters::clear_target): Move here and rewrite.
1126         * parameters.h (class Parameters): Update declarations.  Add
1127         set_parameters_target_once_ field.
1128         (Parameters::Parameters): Move to parameters.cc.
1129         (Parameters::clear_target): Likewise.
1130         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1131         task.
1132         (Start_group::~Start_group): New function.
1133         (Start_group::is_runnable): New function.
1134         (Start_group::locks, Start_group::run): New functions.
1135         (Finish_group::run): Change saw_undefined to size_t.
1136         * readsyms.h (class Start_group): Define.
1137         (class Finish_group): Change saw_undefined_ field to size_t.
1138         (Finish_group::Finish_group): Remove saw_undefined and
1139         this_blocker parameters.  Change all callers.
1140         (Finish_group::set_saw_undefined): New function.
1141         (Finish_group::set_blocker): New function.
1142         * symtab.h (class Symbol_table): Change saw_undefined to return
1143         size_t.  Change saw_undefined_ field to size_t.
1144         * target-select.cc (Set_target_once::do_run_once): New function.
1145         (Target_selector::Target_selector): Initialize set_target_once_
1146         field.  Don't initialize lock_ and initialize_lock_ fields.
1147         (Target_selector::instantiate_target): Rewrite.
1148         (Target_selector::set_target): New function.
1149         * target-select.h (class Set_target_once): Define.
1150         (class Target_selector): Update declarations.  Make
1151         Set_target_once a friend.  Remove lock_ and initialize_lock_
1152         fields.  Add set_target_once_ field.
1153
1154 2010-02-10  Ian Lance Taylor  <iant@google.com>
1155
1156         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1157         queueing any tasks.
1158         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1159         (queue_middle_tasks): Add all blockers before queueing any tasks.
1160         (queue_final_tasks): Likewise.
1161         * token.h (Task_token::add_blockers): New function.
1162         * object.h (Input_objects::number_of_relobjs): New function.
1163
1164 2010-02-10  Ian Lance Taylor  <iant@google.com>
1165
1166         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1167         shared, not if not position independent.
1168         * x86_64.cc (Relocate::relocate_tls): Likewise.
1169         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1170         (tls_pie_pic_test): New target.
1171         * testsuite/Makefile.in: Rebuild.
1172
1173         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1174         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1175         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1176         * testsuite/Makefile.in: Rebuild.
1177
1178 2010-02-09  David S. Miller  <davem@davemloft.net>
1179
1180         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1181         R_SPARC_RELATIVE using ->add_local_relative().
1182         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1183
1184         * output.h (Output_data_dynamic::add_section_size): New method
1185         that takes two Output_data objects.
1186         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1187         entry param.  Handle it in initializers.
1188         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1189         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1190         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1191         arg.
1192         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1193         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1194         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1195         for dynrel_includes_plt.
1196         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1197         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1198         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1199         before .rela.plt
1200         (Target_sparc::do_finalize_sections): Update to pass true for
1201         dynrel_includes_plt.
1202         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1203         output before .rela.plt
1204         (Target_powerpc::do_finalize_sections): Update to pass true for
1205         dynrel_includes_plt when 32-bit.
1206
1207 2010-02-08  Doug Kwan  <dougkwan@google.com>
1208
1209         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1210         method.
1211         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1212         Arm_relobj::scan_section_for_cortex_a8_stubs,
1213         Arm_relobj::do_relocation_section): Instead of calling
1214         Output_section::output_address, use faster
1215         Arm_relobj::simple_input_section_output_address.
1216
1217 2010-02-08  David S. Miller  <davem@davemloft.net>
1218
1219         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1220         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1221         relocation helper function.
1222
1223         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1224         just like R_SPARC_GOT{10,13,22}.
1225         (Target_sparc::Scan::local): Likewise.
1226         (Target_sparc::Relocate:relocate): Likewise.
1227
1228 2010-02-06  Ian Lance Taylor  <iant@google.com>
1229
1230         * configure.ac: Rewrite targetobjs duplicate removal code to use
1231         only shell constructs.
1232         * configure: Rebuild.
1233
1234 2010-02-05  Doug Kwan  <dougkwan@google.com>
1235
1236         PR 11247
1237         * arm.cc (Arm_relobj::section_is_scannable): New method.
1238         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1239         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1240
1241 2010-02-04  Doug Kwan  <dougkwan@google.com>
1242
1243         PR 11247
1244         * arm-reloc-property.cc (cstdio): Include.
1245         * configure.ac (targetobjs): Remove duplicates.
1246         * configure: Regenerate.
1247         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1248         big and little endian version for a given address size.
1249
1250 2010-02-03  Doug Kwan  <dougkwan@google.com>
1251
1252         * arm-reloc-property.cc
1253         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1254         definition.
1255         * arm-reloc-property.h
1256         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1257         New method definition.
1258         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1259         declaration.
1260         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1261         overflow to N.
1262         (GOT_PREL): Change implemented to Y.
1263         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1264         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1265         (Arm_relocate_functions::movw_abs_nc): Remove method.
1266         (Arm_relocate_functions::movt_abs): Ditto.
1267         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1268         (Arm_relocate_functions::thm_movt_abs): Ditto.
1269         (Arm_relocate_functions::movw_rel_nc): Ditto.
1270         (Arm_relocate_functions::movw_rel): Ditto.
1271         (Arm_relocate_functions::movt_rel): Ditto.
1272         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1273         (Arm_relocate_functions:thm_movw_rel): Ditto.
1274         (Arm_relocate_functions:thm_movt_rel): Ditto.
1275         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1276         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1277         New method definitions.
1278         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1279         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1280         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1281         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1282         (Target_arm::Relocate::relocate): Check for non-static or
1283         unimplemented relocation code and exit early.  Change calls to
1284         Target_arm::reloc_uses_thumb_bit and
1285         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1286         instead.  Refactor code to handle similar relocations to increase
1287         code sharing.  Remove check for unsupported relocation code in switch
1288         statement.
1289         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1290         relocation property table to find out size.  Change error message to
1291         print out the name of a relocation code instead of the numeric value.
1292         (Target_arm::scan_reloc_for_stub): Use relocation property table
1293         instead of calling Target_arm::reloc_uses_thumb_bit().
1294
1295 2010-02-02  Doug Kwan  <dougkwan@google.com>
1296
1297         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1298         types of relaxed input section.
1299
1300 2010-02-02  Doug Kwan  <dougkwan@google.com>
1301
1302         * Makefile.am (HFILES): Add arm-reloc-property.h.
1303         (DEFFILES): New.
1304         (TARGETSOURCES): Add arm-reloc-property.cc
1305         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1306         (libgold_a_SOURCES): $(DEFFILES)
1307         * Makefile.in: Regenerate.
1308         * arm-reloc-property.cc: New file.
1309         * arm-reloc-property.h: New file.
1310         * arm-reloc.def: New file.
1311         * arm.cc: Update comments.
1312         (arm-reloc-property.h): New included header.
1313         (arm_reloc_property_table): New global variable.
1314         (Target_arm::do_select_as_default_target): New method definition.
1315         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1316         arm-reloc-property to targ_extra_obj.
1317         * parameters.cc (set_parameters_target): Call
1318         Target::select_as_default_target().
1319         * target.h (Target::select_as_default_target): New method definition.
1320         (Target::do_select_as_default_target): Same.
1321
1322 2010-02-01  Doug Kwan  <dougkwan@google.com>
1323
1324         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1325         first_output_text_section_.
1326         (Arm_exidx_fixup::first_output_text_section): New method definition.
1327         (Arm_exidx_fixup::first_output_text_section_): New data member.
1328         (Arm_exidx_fixup::process_exidx_section): Record the first text
1329         output section seen.
1330         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1331         and entsize in output section header.
1332
1333 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1334
1335         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1336         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1337         (Arm_relocate_functions::thm_alu11): New Method.
1338         (Arm_relocate_functions::thm_pc8): New Method.
1339         (Arm_relocate_functions::thm_pc12): New Method.
1340         (Target_arm::Scan::local): Handle the relocations.
1341         (Target_arm::Scan::global): Likewise.
1342         (Target_arm::Relocate::relocate): Likewise.
1343         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1344
1345 2010-01-29  Doug Kwan  <dougkwan@google.com>
1346
1347         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1348         of relocation types as ld.
1349
1350 2010-01-29  Doug Kwan  <dougkwan@google.com>
1351
1352         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1353         to public.
1354         (Arm_relocate_functions::thumb_branch_common): Ditto.
1355         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1356         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1357         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1358         Arm_relocate_functions::jump24): Remove.
1359         (Target_arm::Relocate::relocate): Adjust code to call
1360         Arm_relocation_functions::arm_branch_common and
1361         Arm_relocation_functions::thumb_branch_common instead of their removed
1362         wrappers.  Merge switch-cases together to reduce source code size.  
1363
1364 2010-01-29  Doug Kwan  <dougkwan@google.com>
1365
1366         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1367         output_local_symbol_count_needs_update_.
1368         (Arm_relobj::output_local_symbol_count_needs_update,
1369          Arm_relobj::set_output_local_symbol_count_needs_update,
1370          Arm_relobj::update_output_local_symbol_count): New methods.
1371         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1372         member.
1373         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1374         of pointed function as in a R_ARM_PREL31 relocation.
1375         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1376         for output local symbol count updating.
1377         (Target_arm::do_relax): Update output local symbol counts in objects
1378         if necessary.
1379         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1380
1381 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1382
1383         * arm.cc: Added support for the ARM relocations:
1384         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1385         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1386         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1387         movw_prel_nc).
1388         (Arm_relocate_functions::movw_rel): New method.
1389         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1390         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1391         thm_movw_prel_nc).
1392         (Arm_relocate_functions::thm_movw_rel): New method.
1393         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1394         thm_movt_prel).
1395         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1396         relocations.
1397         (Target_arm::Scan::global): Likewise.
1398         (Target_arm::Relocate::relocate): Likewise.
1399         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1400         Likewise.
1401
1402 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1403
1404         * arm.cc: Added support for ARM group relocations.
1405         (Target_arm::reloc_needs_sym_origin): New method.
1406         (Arm_relocate_functions::calc_grp_kn): New method.
1407         (Arm_relocate_functions::calc_grp_residual): New method.
1408         (Arm_relocate_functions::calc_grp_gn): New method.
1409         (Arm_relocate_functions::arm_grp_alu): New Method.
1410         (Arm_relocate_functions::arm_grp_ldr): New Method.
1411         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1412         (Arm_relocate_functions::arm_grp_ldc): New Method.
1413         (Target_arm::Scan::local): Handle the ARM group relocations.
1414         (Target_arm::Scan::global): Likewise.
1415         (Target_arm::Relocate::relocate): Likewise.
1416         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1417         Likewise.
1418
1419 2010-01-26  Doug Kwan  <dougkwan@google.com>
1420
1421         * arm.cc (set): Include.
1422         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1423         pointer type.
1424         (Arm_output_section::Text_section_list): New type.
1425         (Arm_output_section::append_text_sections_to_list): New method.
1426         (Arm_output_section::fix_exidx_coverage): Ditto.
1427         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1428         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1429         Relobj::set_section_offset() instead of
1430         Sized_relobj::invalidate_section_offset().
1431         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1432         parameter for section headers. Ignore relocation sections for
1433         unallocated sections and EXIDX sections.
1434         (Target_arm::fix_exidx_coverage): New method.
1435         (Target_arm::output_section_address_less_than): New type.
1436         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1437         linked text section instead of the EXIDX section.
1438         (Arm_output_section::create_stub_group): Add an assertion to check
1439         that this is not an EXIDX output section.
1440         (Arm_output_section::append_text_sections_to_list): New method.
1441         (Arm_output_section::fix_exidx_coverage): Ditto.
1442         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1443         Arm_relobj::section_needs_reloc_stub_scanning.
1444         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1445         first pass.
1446         (Target_arm::fix_exidx_coverage): New method.
1447         * object.h (Relobj::set_output_section): New method.
1448         (Sized_relobj::invalidate_section_offset): Remove method.
1449         (Sized_relobj::do_invalidate_section_offset): Remove method.
1450         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1451
1452 2010-01-25  Doug Kwan  <dougkwan@google.com>
1453
1454         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1455         Fix warning due to signed and unsigned comparison on a 32-bit host.
1456
1457 2010-01-22  Doug Kwan  <dougkwan@google.com>
1458
1459         * arm.cc (Target_arm::do_relax): Record an output section for section
1460         offset adjustment it contains any stub table that has changed.
1461         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1462         offsets in an output section if necessary.
1463         * output.cc (Output_section::Output_section): Initialize
1464         section_offsets_need_adjustments_.
1465         (Output_section::add_input_section_for_script): Renamed to
1466         Output_section::add_simple_input_section.
1467         (Output_section::save_states): Add a comment.
1468         (Output_section::discard_states): New method defintion.
1469         (Output_section::adjust_section_offsets): Same.
1470         * output.h (Output_section::add_input_section_for_script): Renamed to
1471         Output_section::add_simple_input_section.
1472         (Output_section::discard_states): New method declaration.
1473         (Output_section::adjust_section_offsets): Same.
1474         (Output_section::section_offsets_need_adjustment,
1475         Output_section::set_section_offsets_need_adjustment): New method
1476         definitions.
1477         (Output_section::section_offsets_need_adjustment_): New data member.
1478         * script-sections.cc
1479         (Output_section_element_input::set_section_address): Adjust code for
1480         renaming of Output_section::add_input_section_for_script.
1481         (Orphan_output_section::set_section_address): Same.
1482
1483 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1484
1485         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1486         Fix_v4bx enum values .
1487         * gold/options.h (General_options): New option definitions.
1488         (General_options::fix_v4bx): New method.
1489         (General_options::Fix_v4bx): New enum.
1490         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1491         (General_options::parse_fix_v4bx_interworking): New method.
1492
1493 2010-01-22  Doug Kwan  <dougkwan@google.com>
1494
1495         * arm.cc (Arm_exidx_fixup): New class.
1496
1497 2010-01-21  Doug Kwan  <dougkwan@google.com>
1498
1499         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1500         classes.
1501         (Arm_exidx_section_offset_map): New type.
1502
1503 2010-01-21  Doug Kwan  <dougkwan@google.com>
1504
1505         * arm.cc (Arm_exidx_input_section): New class.
1506         (Arm_relobj::exidx_input_section_by_link,
1507         Arm_relobj::exidx_input_section_by_shndx,
1508         Arm_relobj::make_exidx_input_section): New methods.
1509         (read_arm_attributes_section): Remove.
1510         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1511         information about them.
1512         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1513         to here.
1514
1515 2010-01-20  Doug Kwan  <dougkwan@google.com>
1516
1517         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1518         Input_section_specifier to Section_id.
1519         (Target_arm::new_arm_input_section: Adjust code for change of key
1520         type.
1521         (Target_arm::find_arm_input_section): Ditto.
1522         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1523         (Section_id): Remove.
1524         (Garbage_collection::Section_id_hash): Remove.
1525         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1526         (Section_id): Remove.
1527         (Icf::Section_id_hash): Remove.
1528         * object.h (Section_id, Const_section_id, Section_id_hash,
1529         Const_section_id_hash): New type definitions.
1530         * output.cc (Output_section::add_relaxed_input_section): Change to
1531         use Const_section_id instead of Input_section_specifier as key type.
1532         (Output_section::add_merge_input_section): Ditto.
1533         (Output_section::build_relaxation_map): Change to use Section_id
1534         instead of Input_section_specifier as key type.
1535         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1536         Ditto.
1537         (Output_section::convert_input_sections_to_relaxed_sections): Change
1538         to use Const_section_id instead of Input_section_specifier as key type.
1539         (Output_section::find_merge_section): Ditto.
1540         (Output_section::find_relaxed_input_section): Ditto.
1541         * output.h (Input_section_specifier): Remove class.
1542         (Output_section::Output_section_data_by_input_section_map): Change
1543         key type to Const_section_id.
1544         (Output_section::Output_relaxed_input_section_by_input_section_map):
1545         Ditto.
1546         (Output_section::Relaxation_map): Change key type to Section_id.
1547
1548 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1549
1550         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1551         (class Arm_v4bx_stub): New class.
1552         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1553         (Stub_factory::make_arm_v4bx_stub): New method.
1554         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1555         (Stub_table::empty): Handle v4bx stubs.
1556         (Stub_table::add_arm_v4bx_stub): New method.
1557         (Stub_table::find_arm_v4bx_stub): New method.
1558         (Arm_relocate_functions::v4bx): New method.
1559         (Target_arm::fix_v4bx): New method.
1560         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1561         (Stub_table::relocate_stubs): Likewise.
1562         (Stub_table::do_write): Likewise.
1563         (Stub_table::update_data_size_and_addralign): Likewise.
1564         (Stub_table::finalize_stubs):  Likewise.
1565         (Target_arm::Scan::local): Likewise.
1566         (Target_arm::Scan::global): Likewise.
1567         (Target_arm::do_finalize_sections): Likewise.
1568         (Target_arm::Relocate::relocate): Likewise.
1569         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1570         Likewise.
1571         (Target_arm::scan_reloc_for_stub): Likewise.
1572         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1573
1574 2010-01-19  Ian Lance Taylor  <iant@google.com>
1575
1576         * output.cc (Output_section_headers::do_sized_write): Write large
1577         segment count to sh_info field.
1578         (Output_file_header::do_sized_write): For large segment count,
1579         write PN_XNUM to e_phnum field.
1580
1581 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1582
1583         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1584         (Arm_relocate_functions::thm_jump8): New function.
1585         (Arm_relocate_functions::thm_jump11): New function.
1586         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1587         R_ARM_THM_JUMP11.
1588         (Target_arm::Scan::global): Likewise.
1589         (Target_arm::Relocate::relocate): Likewise.
1590         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1591         Likewise.
1592
1593 2010-01-14  Doug Kwan  <dougkwan@google.com>
1594
1595         * arm.cc (map, utility): Include headers.
1596         (Target_arm::apply_cortex_a8_workaround): New method.
1597         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1598         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1599         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1600         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1601         the --[no-]fix-cortex-a8 command line options.
1602         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1603         (Target_arm::relocate_stub): Use addend in instruction template.
1604         * options.h (DEFINE_bool): Set the user-set flag.
1605         (General_options): Add --[no-]-fix-cortex options.
1606         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1607         : Update fast look-up map after conversion. 
1608
1609 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1610
1611         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1612         in the first pass of do_layout.
1613
1614 2010-01-13  Doug Kwan  <dougkwan@google.com>
1615
1616         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1617         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1618         apparent compiler problem of not folding static constant integral
1619         data members of elfcpp::Elf_sizes<32>.
1620
1621 2010-01-13  Doug Kwan  <dougkwan@google.com>
1622
1623         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1624         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1625         Arm_relobj::scan_section_for_cortex_a8_erratum,
1626         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1627         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1628         sections to scan for relocation stubs into a new method
1629         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1630         relocation and Cortex-A8 stub scanning.
1631         (Target_arm::do_relax): Force stubs to be after stubbed sections
1632         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1633         the beginning of a new relaxation pass.  Update a comment. 
1634         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1635
1636 2010-01-12  Ian Lance Taylor  <iant@google.com>
1637
1638         * target-reloc.h (visibility_error): New inline function.
1639         (relocate_section): Call visibility_error.
1640         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1641         (MOSTLYCLEANFILES): Likewise.
1642         (protected_4_pic.o, protected_3.err): New targets.
1643         * testsuite/protected_4.cc: New file.
1644
1645 2010-01-12  Doug Kwan  <dougkwan@google.com>
1646
1647         * arm.cc (Cortex_a8_reloc): New class.
1648         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1649         and cortex_a8_relocs_info_.
1650         (Target_arm::fix_cortex_a8): New method definition.
1651         (Target_arm::Cortex_a8_relocs_info): New type.
1652         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1653         New data member declarations.
1654         (Target_arm::scan_reloc_for_stub): Record information about
1655         relocations for THUMB branches that might be exempted from the
1656         Cortex-A8 workaround.
1657         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1658         at the beginning of a relaxation pass.
1659
1660 2010-01-12  Doug Kwan  <dougkwan@google.com>
1661
1662         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1663         (Arm_relobj::Mapping_symbol_position,
1664          Arm_reloj::Mapping_symbol_position_less,
1665          Arm_relobj::Mapping_symbols_info): New types.
1666         (Target_arm::is_mapping_symbol_name): New method definition.
1667         (Arm_relobj::do_count_local_symbols): Save information about mapping
1668         symbols.
1669
1670 2010-01-11  Doug Kwan  <dougkwan@google.com>
1671
1672         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1673         Arm_relocate_functions::thumb32_branch_upper,
1674         Arm_relocate_functions::thumb32_branch_lower,
1675         Arm_relocate_functions::thumb32_cond_branch_offset,
1676         Arm_relocate_functions::thumb32_cond_branch_upper,
1677         Arm_relocate_functions::thumb32_cond_branch_lower,
1678         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1679         branch offset encoding.
1680         (Arm_relocate_functions::thumb_branch_common): Use new branch
1681         offset encoding methods to avoid code duplication.
1682         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1683         (Stub_addend_reader::operator()): Use new branch encoding method
1684         to avoid code duplication.
1685
1686 2010-01-11  Doug Kwan  <dougkwan@google.com>
1687
1688         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1689         (Target_arm::do_finalize_sections): Define special EXIDX section
1690         symbols only if referenced.
1691         * gc.h (Garbage_collection::add_reference): New method.
1692         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1693         code duplication.
1694
1695 2010-01-11  Ian Lance Taylor  <iant@google.com>
1696
1697         * script.cc (Version_script_info::build_expression_list_lookup):
1698         Change complaing about duplicate wildcard match from error to
1699         warning.
1700
1701         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1702         of 2009-12-30.
1703         (Version_script_info::Version_script_info): Initialize globs_,
1704         default_version_, default_is_global_, and exact_.  Don't
1705         initialize globals_ or locals_.
1706         (Version_script_info::build_lookup_tables): Build local symbols
1707         first.
1708         (Version_script_info::unquote): New function.
1709         (Version_script_info::add_exact_match): New function.
1710         (Version_script_info::build_expression_list_lookup): Remove lookup
1711         parameter.  Add is_global parameter.  Change all callers.  Handle
1712         wildcard pattern specially.  Unquote pattern.  Call
1713         add_exact_match.
1714         (Version_script_info::get_name_to_match): New function.
1715         (Version_script_info::get_symbol_version): New function.
1716         (Version_script_info::get_symbol_version_helper): Remove.
1717         (Version_script_info::check_unmatched_names): Call unquote.
1718         * script.h (class Version_script_info): Change get_symbol_version
1719         to be non-inline and add is_global parameter; change all callers.
1720         Rewrite symbol_is_local.  Update declarations.  Define struct
1721         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1722         Remove globals_ and locals_ members.  Add exact_, globs_,
1723         default_version_, is_global_.
1724         (Version_script_info::Glob): Remove pattern, add expression and
1725         is_global.  Update constructor.  Change all callers.
1726         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1727         default version.
1728         (Versions::symbol_section_contents): If a symbol is undefined, or
1729         defined in a dynamic object, set the version index to
1730         VER_NDX_LOCAL.
1731         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1732         symbol_is_local.
1733         (Symbol_table::add_from_pluginobj): Likewise.
1734         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1735
1736 2010-01-11  Doug Kwan  <dougkwan@google.com>
1737
1738         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1739         (incremental_dump_LDADD): Add linking option for libintl.
1740         * Makefile.in: Regenerate.
1741
1742 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1743
1744         PR gold/11144
1745         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1746         instead of -Ds.
1747         * testsuite/Makefile.in: Regenerated.
1748
1749 2010-01-10  Doug Kwan  <dougkwan@google.com>
1750
1751         * options.h (DEFINE_var): Use parentheses around argument varname__
1752         in macro body to avoid any unintended subsequent substitutions.
1753
1754 2010-01-10  Ian Lance Taylor  <iant@google.com>
1755
1756         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1757         candidates before doing symbol resolution.
1758
1759         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1760         ODR candidates if only one is weak.
1761
1762 2010-01-08  Ian Lance Taylor  <iant@google.com>
1763
1764         * script.cc (Version_script_info::build_expression_list_lookup):
1765         Don't warn about ambiguous version, just record the ambiguity.
1766         (Version_script_info::get_symbol_version_helper): Give error if
1767         version is ambiguous.
1768
1769 2010-01-08  Doug Kwan  <dougkwan@google.com>
1770
1771         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1772           prev_data_size_ and prev_addralign_.  Remove initializer for
1773           deleted data member has_been_changed_.
1774           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1775           to determine if the table is empty.
1776           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1777           Remove.
1778           (Stub_table::add_reloc_stub): Define method in class definition
1779           instead of just declaring it there.
1780           (Stub_table::add_cortex_a8_stub): New method definition.
1781           (Stub_table::update_data_size_and_addralign): Ditto.
1782           (Stub_table::finalize_stubs): Ditto.
1783           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1784           (Stub_table::do_addralign_): Return address alignment in the
1785           (Stub_table::do_reset_address_and_file_offset): Define method in
1786           class definition instead of declaring it there.  Set current data
1787           size to be the data size of the previous pass.
1788           (Stub_table::set_final_data_size): Use current data size as the
1789           final data size.
1790           (Stub_table::relocate_stub): Change parameter type of stub from
1791           Reloc_stub pointer to Stub pointer.
1792           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1793           (Stub_table::Cortex_a8_stub_list): New typedef.
1794           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1795            Stub_table::prev_addralign_): New data member.
1796           (Arm_relobj::Arm_relobj): Initialize data member
1797           section_has_cortex_a8_workaround_.
1798           (Arm_relobj::section_has_cortex_a8_workaround,
1799            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1800            definitions.
1801           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1802           declarations.
1803           (Target_arm::relocate_stub): Change parameter type of stub from
1804           Reloc_stub pointer to Stub pointer.
1805           (Insn_template::size, Insn_template::alignment): Handle
1806           THUMB16_SPECIAL_TYPE.
1807           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1808            Stub_table::update_data_size_and_addralign,
1809            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1810           definitions.
1811           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1812           (Stub_table::do_write): Ditto.
1813           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1814
1815 2010-01-08  Ian Lance Taylor  <iant@google.com>
1816
1817         PR 11108
1818         * symtab.h (class Symbol): Remove fields is_target_special_ and
1819         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1820         (Symbol::is_defined_in_discarded_section): New function.
1821         (Symbol::set_is_defined_in_discarded_section): New function.
1822         (Symbol::has_plt_offset): Rewrite.
1823         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1824         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1825         Don't initialize is_target_special_ or has_plt_offset_.
1826         Initialize is_defined_in_discarded_section_.
1827         (Symbol_table::add_from_relobj): If appropriate, set
1828         is_defined_in_discarded_section.
1829         * resolve.cc (Symbol::override_base_with_special): Don't test
1830         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1831         * target-reloc.h (relocate_section): Do special handling for
1832         symbols defined in discarded sections for global symbols as well
1833         as local symbols.
1834
1835 2010-01-08  Ian Lance Taylor  <iant@google.com>
1836
1837         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1838         the SHT_SYMTAB case.
1839
1840 2010-01-08  Ian Lance Taylor  <iant@google.com>
1841
1842         * object.cc (Sized_relobj::do_layout): Don't get confused if
1843         layout_eh_frame returns NULL.
1844
1845 2010-01-08  Ian Lance Taylor  <iant@google.com>
1846
1847         PR 11084
1848         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1849         dynamic symbol table, use the normal symbol table.
1850         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1851         symbol table.
1852
1853 2010-01-08  Ian Lance Taylor  <iant@google.com>
1854
1855         PR 11072
1856         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1857         sections.
1858
1859 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1860
1861         * version.cc (print_version): Change to "Copyright 2010".
1862
1863 2010-01-08  Ian Lance Taylor  <iant@google.com>
1864
1865         PR 10287
1866         PR 11063
1867         * i386.cc (class Target_i386): Change return type of plt_section
1868         to be non-const.
1869         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1870         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1871         tls_desc_rel_ field.
1872         (Output_data_plt_i386::rel_tls_desc): New function.
1873         (Target_i386::rel_tls_desc_section): New function.
1874         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1875         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1876         R_386_TLS_DESC reloc in rel_tls_desc_section.
1877         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1878         Define struct Tlsdesc_info.
1879         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1880         (Target_x86_64::do_reloc_symbol_index): New function.
1881         (Target_x86_64::add_tlsdesc_info): New function.
1882         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1883         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1884         tlsdesc_rel_ field.
1885         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1886         all callers.
1887         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1888         (Target_x86_64::rela_tlsdesc_section): New function.
1889         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1890         handling.
1891         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1892         (Target_x86_64::do_reloc_addend): New function.
1893         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1894         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1895         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1896         (Output_reloc::type): New function.
1897         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1898         (Output_reloc::is_target_specific): New function.
1899         (Output_reloc::target_arg): New function.
1900         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1901         absolute relocs and target specific relocs.
1902         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1903         add_target_specific.
1904         (class Output_data_reloc) [SHT_RELA]: Likewise.
1905         * output.cc (Output_reloc::Output_reloc): Add four new versions
1906         for absolute relocs and target specific relocs.
1907         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1908         (Output_reloc::get_symbol_index): Likewise.
1909         (Output_reloc::local_section_offset): Check that local_sym_index_
1910         is not TARGET_CODE or 0.
1911         (Output_reloc::symbol_value): Likewise.
1912         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1913         reloc.
1914         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1915         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1916         functions.
1917         * layout.cc (add_target_dynamic_tags): Use output section for
1918         DT_PLTRELSZ and DT_JMPREL.
1919
1920 2010-01-07  Ian Lance Taylor  <iant@google.com>
1921
1922         PR 11061
1923         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1924         function.
1925         (class Output_data_reloc_generic): Define.
1926         (class Output_data_reloc_base): Change base class to
1927         Output_data_reloc_generic.  Change add() method to call
1928         bump_relative_reloc_count for a relative reloc.  Remove
1929         sort_relocs_ field.
1930         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1931         to sort_relocs().
1932         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1933         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1934         appropriate.
1935         * layout.h (class Layout): Update declaration.
1936
1937 2010-01-07  Ian Lance Taylor  <iant@google.com>
1938
1939         * output.h (class Output_data): Add const version of
1940         output_section and do_output_section.
1941         (class Output_section_data): Add const version of
1942         do_output_section.
1943         (class Output_section): Likewise.
1944         * layout.cc (Layout::add_target_dynamic_tags): New function.
1945         * layout.h (class Layout): Update declarations.
1946         * arm.cc (Target_arm::do_finalize_sections): Use
1947         add_target_dynamic_tags.
1948         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1949         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1950         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1951         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1952
1953 2010-01-07  Ian Lance Taylor  <iant@google.com>
1954
1955         PR 11042
1956         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1957         object as needed.
1958
1959 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1960             Ian Lance Taylor  <iant@google.com>
1961
1962         PR 11019
1963         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1964         Xindex::read_symtab_xindex.
1965
1966 2010-01-07  Doug Kwan  <dougkwan@google.com>
1967
1968         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1969         (Insn_template::thumb16_bcond_insn): New method declaration.
1970         (Insn_template): Fix spelling.
1971         (Stub::thumb16_special): New method declaration.
1972         (Stub::do_write): Define virtual method which was previously pure
1973         virtual.
1974         (Stub::do_thumb16_special): New method declaration.
1975         (Stub::do_fixed_endian_write): New template member.
1976         (Reloc_stub::do_write): Remove.
1977         (Reloc_stub::do_fixed_endian_write): Remove.
1978         (Cortex_a8_stub): New class definition.
1979         (Stub_factory::make_cortex_a8_stub): New method definition.
1980         (Stub_factory::Stub_factory): Add missing static storage class
1981         qualifier for elf32_arm_stub_a8_veneer_blx.
1982
1983 2010-01-07  Ian Lance Taylor  <iant@google.com>
1984
1985         PR 10980
1986         * options.h (class General_options): Add --warn-unresolved-symbols
1987         and --error-unresolved-symbols.
1988         * errors.cc (Errors::undefined_symbol): Implement
1989         --warn-unresolved-symbols.
1990
1991         * options.h (class General_options): Add -z text and -z textoff.
1992         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1993
1994 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1995
1996         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1997         (Garbage_collection::cident_sections): New function.
1998         (Garbage_collection::add_cident_section): New function.
1999         (Garbage_collection::cident_sections_): New member.
2000         (gc_process_relocs): Add references to sections whose names are C
2001         identifiers.
2002         * gold.h (cident_section_start_prefix): New constant.
2003         (cident_section_stop_prefix): New constant.
2004         (is_cident): New function.
2005         * layout.cc (Layout::define_section_symbols): Replace string constants
2006         with the newly defined constants.
2007         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2008         C identifiers.
2009         * testsuite/Makefile.am: Add gc_orphan_section_test.
2010         * testsuite/Makefile.in: Regenerate.
2011         * testsuite/gc_orphan_section_test.cc: New file.
2012         * testsuite/gc_orphan_section_test.sh: New file.
2013
2014 2010-01-06  Ian Lance Taylor  <iant@google.com>
2015
2016         PR 10980
2017         * options.h (class General_options): Add --warn-shared-textrel.
2018         * layout.cc (Layout::finish_dynamic_section): Implement
2019         --warn-shared-textrel.
2020
2021         PR 10980
2022         * options.h (class General_options): Add --warn-multiple-gp.
2023
2024 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2025
2026         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2027         $(THREADSLIB) and $(LIBDL).
2028         * Makefile.in: Rebuild.
2029
2030 2010-01-06  Ian Lance Taylor  <iant@google.com>
2031
2032         PR 10980
2033         * options.cc (General_options::parse_section_start): New function.
2034         (General_options::section_start): New function.
2035         (General_options::General_options): Initialize all members.
2036         * options.h: Include <map>
2037         (class General_options): Add --section-start.  Add section_starts_
2038         member.
2039         * layout.cc (Layout::attach_allocated_section_to_segment): If
2040         --section-start was used, set the address of the segment.  Remove
2041         local sort_sections.
2042         (Layout::relaxation_loop_body): If the address of the load segment
2043         has been set by --section-start, don't use it.
2044         * output.h (Output_segment::update_flags_for_output_section): New
2045         function.
2046         * output.cc (Output_segment::add_output_section): Call
2047         update_flags_for_output_section.
2048
2049 2010-01-05  Ian Lance Taylor  <iant@google.com>
2050
2051         PR 10980
2052         * options.h (class General_options): Add --undefined-version.
2053         * script.cc (struct Version_expression): Add was_matched_by_symbol
2054         field.
2055         (Version_script_info::matched_symbol): New function.
2056         (Version_script_info::get_symbol_version_helper): Call
2057         matched_symbol.
2058         (Version_script_info::check_unmatched_names): New function.
2059         * script.h (class Version_script_info): Update declarations.
2060         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2061
2062         * options.h (class General_options): Use DEFINE_bool_alias for
2063         allow_multiple_definition.
2064         * resolve.cc (Symbol_table::should_override): Don't test
2065         allow_multiple_definition.
2066
2067         PR 10980
2068         * options.h (class General_options): Add --cref.
2069         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2070         until after printing cref table.
2071         * cref.cc: Include "symtab.h".
2072         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2073         (Cref_table_compare::operator()): New function.
2074         (Cref_inputs::gather_cref): New function.
2075         (filecol): New static const.
2076         (Cref_inputs::print_cref): New function.
2077         (Cref::print_cref): New function.
2078         * cref.h: Include <cstdio>.
2079         (class Cref): Update declarations.
2080         * mapfile.h (Mapfile::file): New function.
2081         * object.h (class Object): Define Symbols.  Declare virtual
2082         do_get_global_symbols.
2083         (Object::get_global_symbols): New function.
2084         * object.cc (Input_objects::add_object): Pass object to cref_ if
2085         --cref.
2086         (Input_objects::archive_start): Likewise.
2087         (Input_objects::archive_stop): Likewise.
2088         (Input_objects::print_cref): New function.
2089         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2090         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2091         --cref.
2092         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2093         function.
2094         * plugin.h (class Sized_pluginobj): Update declarations.
2095
2096 2010-01-05  Ian Lance Taylor  <iant@google.com>
2097
2098         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2099         to is_default_version.  Rename insdef to insdefault.
2100         (Symbol_table::add_from_relobj): Rename def to is_default_version
2101         and local to is_forced_local.
2102         (Symbol_table::add_from_pluginobj): Likewise.
2103         (Symbol_table::add_from_dynobj): Likewise.
2104         (Symbol_table::define_special_symbol): Rename insdef to
2105         insdefault.
2106
2107 2010-01-04  Ian Lance Taylor  <iant@google.com>
2108
2109         PR 10980
2110         * options.h (class General_options): Add
2111         --allow-multiple-definition and -z muldefs.
2112         * resolve.cc (Symbol_table::should_override): Don't warn about a
2113         multiple symbol definition if --allow-multiple-definition or -z
2114         muldefs.
2115
2116         PR 10980
2117         * options.h (class General_options): Add --add-needed and
2118         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2119         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2120         error if --copy-dt-needed-entries aka --add-needed is used and
2121         would cause a change in behaviour.
2122
2123         PR 10980
2124         * options.h (class General_options): Add -G as a short version of
2125         --shared.  Add no-op options -assert, -g, and -i.
2126
2127 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2128
2129         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2130         check for .text or .gnu.linkonce.t sections.
2131         * icf.cc (Icf::find_identical_sections): Ditto.
2132         Change the detection for mangled function name within the section
2133         name.
2134         * icf.h (is_section_foldable_candidate): New function.
2135
2136 2009-12-30  Ian Lance Taylor  <iant@google.com>
2137
2138         PR 10980
2139         * options.h (class General_options): Permit two dashes with
2140         --retain-symbols-file.
2141
2142 2009-12-30  Ian Lance Taylor  <iant@google.com>
2143
2144         PR 10979
2145         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2146         don't put the file header and segment headers in the text
2147         segment.
2148
2149         PR 10979
2150         * common.cc (Sort_commons::operator()): Stabilize sort when both
2151         entries are NULL.
2152         (Symbol_table::do_allocate_commons_list): When allocating common
2153         symbols, skip a symbol which is no longer common.
2154         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2155         an object before checking its type.
2156         * testsuite/common_test_2.c: New file.
2157         * testsuite/common_test_3.c: New file.
2158         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2159         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2160         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2161         (common_test_2_pic.o, common_test_2.so): New targets.
2162         (common_test_3_pic.o, common_test_3.so): New targets.
2163         * testsuite/Makefile.in: Rebuild.
2164
2165         PR 10979
2166         * script.cc (read_input_script): If we see a new SECTIONS clause,
2167         and we have added an input section, give an error.
2168         * layout.h (class Layout): Add have_added_input_section function.
2169         Add have_added_input_section_ field.
2170         * layout.cc (Layout::Layout): Initialize
2171         have_added_input_section_.
2172         (Layout::layout): Set have_added_input_section_.
2173         (Layout::layout_eh_frame): Likewise.
2174
2175 2009-12-30  Ian Lance Taylor  <iant@google.com>
2176
2177         PR 10931
2178         * options.h (class General_options): Add --sort-common option.
2179         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2180         * common.cc (Sort_common): Add sort_order parameter to
2181         constructor.  Add sort_order_ field.
2182         (Sort_commons::operator): Check sort_order_.
2183         (Symbol_table::allocate_commons): Determine the sort order.
2184         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2185         Change all callers.
2186         (Symbol_table::do_allocate_commons_list): Likewise.
2187
2188 2009-12-30  Ian Lance Taylor  <iant@google.com>
2189
2190         PR 10916
2191         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2192         symbols from this object, don't change the visibility of an
2193         undefined symbol.
2194         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2195
2196 2009-12-30  Ian Lance Taylor  <iant@google.com>
2197
2198         PR 10861
2199         * script.h (class Version_script_info): Define Language enum.
2200         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2201         new fields globals_, locals_, and is_finalized_.
2202         * script.cc: Various formatting fixes.
2203         (class Parser_closure): Change language_stack_ from a vector of
2204         std::string to one of Version_script_info::Language.  Adjust all
2205         uses accordingly.
2206         (class Lazy_demangler): Remove.
2207         (struct Version_expression): Change language from std::string to
2208         Version_script_info::Language.
2209         (Version_script_info::Version_script_info): New function.
2210         (Version_script_info::~Version_script_info): Don't call clear.
2211         (Version_script_info::finalize): New function.
2212         (Version_script_info::build_lookup_tables): New function.
2213         (Version_script_info::build_expression_list_lookup): New
2214         function.
2215         (Version_script_info::get_symbol_version_helper): Rewrite to use
2216         lookup tables.
2217         (Version_script_info::print_expression_list): Adjust to use
2218         Version_script_info::Language.
2219         (script_push_lex_into_version_mode): Check that the version script
2220         has not been finalized.
2221         (version_script_push_lang): Change language string to
2222         Version_script_info::Language.
2223         * options.cc (Command_line::version_script): New function.
2224         * options.h (class General_options): Add finalize_dynamic_list
2225         function.  Change version_script from declaration to definition.
2226         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2227         * testsuite/version_script.map: Remove duplicate def of foo.
2228         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2229         version_script.map.
2230         * testsuite/Makefile.in: Rebuild.
2231
2232 2009-12-30  Ian Lance Taylor  <iant@google.com>
2233
2234         PR 10843
2235         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2236         if the input symbol index is 0, make the output symbol index 0.
2237
2238 2009-12-30  Ian Lance Taylor  <iant@google.com>
2239
2240         PR 10670
2241         * options.h (class General_options): Add -x/--discard-all.
2242         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2243         --discard-all.  If the local symbol needs a dynamic entry, check
2244         that before handling --discard-locals.
2245
2246 2009-12-30  Ian Lance Taylor  <iant@google.com>
2247
2248         PR 10450
2249         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2250         flags to PF_R.
2251         (Output_segment::add_output_section): Don't change the flags if
2252         the type is PT_TLS.
2253
2254         PR 10450
2255         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2256         GNU hash table if they need a dynamic value.  Otherwise, don't add
2257         them if they are defined in a dynamic object or are forced local.
2258
2259 2009-12-29  Ian Lance Taylor  <iant@google.com>
2260
2261         PR 10450
2262         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2263         .gnu.hash table for a 32-bit target.
2264
2265         PR 10450
2266         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2267         regular and a dynamic object only needs a dynamic symbol table
2268         entry if it is externally visible.
2269
2270         PR 10450
2271         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2272         constructor.  Add global_offset_table_ field.
2273         (Target_i386::got_section): Set global_offset_table_.
2274         (Target_i386::do_finalize_sections): Set global_offset_table_
2275         size.
2276         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2277         in constructor.  Add global_offset_table_ field.
2278         (Target_x86_64::got_section): Set global_offset_table_.
2279         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2280         size.
2281
2282         * layout.cc (Layout::Layout): Initialize increase_relro_.
2283         (Layout::get_output_section): Add is_relro, is_last_relro, and
2284         is_first_non_relro parameters.  Change all callers.
2285         (Layout::choose_output_section): Likewise.
2286         (Layout::add_output_section_data): Likewise.
2287         (Layout::make_output_section): Likewise.
2288         (Layout::set_segment_offsets): Clear increase_relro when using a
2289         linker script.
2290         * layout.h (class Layout): Add increase_relro method.  Add
2291         increase_relro_ field.  Update declarations.
2292         * output.cc (Output_section::Output_section): Initialize
2293         is_last_relro_ and is_first_non_relro_.
2294         (Output_segment::add_output_section): Group relro sections is
2295         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2296         (Output_segment::maximum_alignment): Remove relro handling.
2297         (Output_segment::set_section_addresses): Add increase_relro
2298         parameter.  Change all callers.  Add initial alignment to align
2299         relro sections on separate page.  Remove old relro handling.
2300         (Output_segment::set_section_list_addresses): Remove in_relro
2301         parameter.  Change all callers.
2302         (Output_segment::set_offset): Add increase parameter.  Change all
2303         callers.  Remove old relro handling.
2304         * output.h (class Output_section): Add new methods: is_last_relro,
2305         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2306         Add is_last_relro_ and is_first_non_relro_ fields.
2307         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2308         Create separate .got.plt section.  Call increase_relro.
2309         * x86_64.cc (Target_x86_64::got_section): Likewise.
2310         * testsuite/relro_script_test.t: Add .got.plt.
2311
2312         PR 10450
2313         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2314         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2315         (Layout::finalize): Call set_dynamic_symbol_size.
2316         (Layout::set_dynamic_symbol_size): New function.
2317         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2318         set_dynamic_symbol_size.
2319
2320         PR 10450
2321         * output.h (class Output_section): Add is_entsize_zero_ field.
2322         * output.cc (Output_section::Output_section): Initialize
2323         is_entsize_zero_.
2324         (Output_section::set_entsize): If two different entsizes are
2325         requested, force it to zero.
2326         (Output_section::add_input_section): Set flags for .debug_str
2327         before updating section flags.  Set entsize.
2328         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2329         and SHF_STRING if all input sections have those flags.
2330
2331 2009-12-29   Rafael Espindola  <espindola@google.com>
2332
2333         * main.cc (main): Fix the sys time reporting.
2334         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2335         reporting.
2336
2337 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2338
2339         * options.cc (General_options::parse_version): Allow -v to exit
2340         without an error if there is nothing to link.
2341
2342 2009-12-29  Ian Lance Taylor  <iant@google.com>
2343
2344         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2345         using a version of gcc before 4.1.
2346         * configure: Rebuild.
2347
2348 2009-12-28  Chris Demetriou  <cgd@google.com>
2349
2350         * attributes.cc (Output_attributes_section_data::do_write): Use
2351         std::vector::front rather than std::vector::data.
2352
2353 2009-12-28  Ian Lance Taylor  <iant@google.com>
2354
2355         * symtab.h (class Symbol_table): Add enum Defined.
2356         * resolve.cc (Symbol_table::should_override): Add defined
2357         parameter.  Change all callers.  Test whether object is NULL
2358         before calling a method on it.
2359         (Symbol_table::report_resolve_problem): Add defined parameter.
2360         Change all callers.
2361         (Symbol_table::should_override_with_special): Likewise.
2362         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2363         parameter.  Change all callers.
2364         (Symbol_table::do_define_in_output_data): Likewise.
2365         (Symbol_table::define_in_output_segment): Likewise.
2366         (Symbol_table::do_define_in_output_segment): Likewise.
2367         (Symbol_table::define_as_constant): Likewise.
2368         (Symbol_table::do_define_as_constant): Likewise.
2369         * script.h (class Symbol_assignment): Add is_defsym parameter to
2370         constructor; change all callers.
2371         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2372         parameter.  Change all callers.  Add is_defsym_ field.
2373         (class Parser_closure): Add parsing_defsym parameter to
2374         constructor; change all callers.  Add parsing_defsym accessor
2375         function.  Add parsing_defsym_ field.
2376
2377 2009-12-28  Ian Lance Taylor  <iant@google.com>
2378
2379         * gold.cc (queue_middle_tasks): Fix formatting.
2380         * object.cc (Relobj::is_section_name_included): Likewise.
2381
2382 2009-12-23  Ian Lance Taylor  <iant@google.com>
2383
2384         * i386.cc (Target_i386::do_calls_non_split): Recognize
2385         -fsplit-stack prologue for a function with a static chain.
2386         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2387         -fsplit-stack prologue when using %r11.
2388
2389 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2390
2391         * options.cc (General_options::parse_version): Make -v continue and do
2392         the link like GNU ld does.
2393
2394 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2395
2396         * Makefile.am (CCFILES): Add timer.cc.
2397         (HFILES): Add timer.h.
2398         * configure.ac: Check for sysconf and times.
2399         * main.cc: include timer.h.
2400         (main): Use Timer instead of get_run_time.
2401         * timer.cc: New.
2402         * timer.h: New.
2403         * workqueue.cc: include timer.h.
2404         (Workqueue::find_and_run_task):
2405         Report user, sys and wall time.
2406         * Makefile.in: Regenerate.
2407         * config.in: Regenerate.
2408         * configure: Regenerate.
2409
2410 2009-12-16  Doug Kwan  <dougkwan@google.com>
2411
2412         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2413         sections.
2414         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2415         relaxed input sections.
2416         * output.cc (Output_section::find_relaxed_input_section): Change
2417         return type to Output_relaxed_input_section pointer.  Adjust code
2418         for new type of relaxed_input_section_map_.
2419         * output.h (Output_section::find_relaxed_input_section): Change
2420         return type to Output_relaxed_input_section pointer.
2421         (Output_section::Output_relaxed_input_section_by_input_section_map):
2422         New type.
2423         (Output_section::relaxed_input_section_map_): Change type to
2424         Output_section::Output_relaxed_input_section_by_input_section_map.
2425         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2426         input section.
2427
2428 2009-12-15  Ian Lance Taylor  <iant@google.com>
2429
2430         * layout.cc (Layout::create_shstrtab): Only write out after input
2431         sections if we are compressing debug sections.
2432
2433 2009-12-15  Ian Lance Taylor  <iant@google.com>
2434
2435         * archive.cc (Archive::add_symbols): Only look up a symbol without
2436         a version if there is, in fact, a version.
2437
2438 2009-12-14  Ian Lance Taylor  <iant@google.com>
2439
2440         Revert -Wshadow changes, all changes from:
2441         2009-12-11  Doug Kwan  <dougkwan@google.com>
2442         2009-12-11  Nick Clifton  <nickc@redhat.com>
2443         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2444
2445 2009-12-11  Doug Kwan  <dougkwan@google.com>
2446
2447         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2448         due to -Wshadow.
2449         * attributes.cc (Object_attribute::size): Ditto.
2450         (Attributes_section_data::size): Ditto.
2451         (Attributes_section_data::Attributes_section_data): Ditto.
2452         (Output_attributes_section_data::do_write): Ditto.
2453         * attributes.h (Object_attribute::set_type): Ditto.
2454         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2455
2456 2009-12-11  Nick Clifton  <nickc@redhat.com>
2457
2458         * archive.cc: Fix shadowed variable warnings.
2459         * arm.cc: Likewise.
2460         * compressed_output.cc: Likewise.
2461         * compressed_output.h: Likewise.
2462         * configure: Likewise.
2463         * dwarf_reader.cc: Likewise.
2464         * dynobj.cc: Likewise.
2465         * dynobj.h: Likewise.
2466         * ehframe.cc: Likewise.
2467         * ehframe.h: Likewise.
2468         * errors.cc: Likewise.
2469         * expression.cc: Likewise.
2470         * fileread.cc: Likewise.
2471         * fileread.h: Likewise.
2472         * freebsd.h: Likewise.
2473         * i386.cc: Likewise.
2474         * icf.cc: Likewise.
2475         * incremental.h: Likewise.
2476         * layout.cc: Likewise.
2477         * layout.h: Likewise.
2478         * mapfile.cc: Likewise.
2479         * merge.cc: Likewise.
2480         * merge.h: Likewise.
2481         * object.cc: Likewise.
2482         * object.h: Likewise.
2483         * options.h: Likewise.
2484         * output.cc: Likewise.
2485         * output.h: Likewise.
2486         * parameters.cc: Likewise.
2487         * plugin.cc: Likewise.
2488         * powerpc.cc: Likewise.
2489         * reduced_debug_output.cc: Likewise.
2490         * reduced_debug_output.h: Likewise.
2491         * reloc.cc: Likewise.
2492         * reloc.h: Likewise.
2493         * resolve.cc: Likewise.
2494         * script-sections.cc: Likewise.
2495         * script.cc: Likewise.
2496         * script.h: Likewise.
2497         * sparc.cc: Likewise.
2498         * symtab.cc: Likewise.
2499         * symtab.h: Likewise.
2500         * target-select.cc: Likewise.
2501         * target-select.h: Likewise.
2502         * token.h: Likewise.
2503         * workqueue.cc: Likewise.
2504         * workqueue.h: Likewise.
2505         * x86_64.cc: Likewise.
2506
2507 2009-12-10  Doug Kwan  <dougkwan@google.com>
2508
2509         * arm.cc (attributes.h): New include.
2510         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2511         (Arm_relobj::~Arm_relobj): Delete object pointed by
2512         attributes_section_data_.
2513         (Arm_relobj::attributes_section_data): New method definition.
2514         (Arm_relobj::attributes_section_data_): New data member declaration.
2515         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2516         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2517         attributes_section_data_.
2518         (Arm_dynobj::attributes_section_data): New method definition.
2519         (Arm_dynobj::attributes_section_data_): New data member declaration.
2520         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2521         initialization value of may_use_blx_ to false.
2522         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2523         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2524         object attributes to compute results instead of hard-coding.
2525         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2526         Target_arm::get_secondary_compatible_arch,
2527         Target_arm::set_secondary_compatible_arch
2528         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2529         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2530         New method declarations.
2531         (Target_arm::get_aeabi_object_attribute): New method definition.
2532         (Target_arm::attributes_section_data_): New data member declaration.
2533         (read_arm_attributes_section): New template definition.
2534         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2535         (Arm_dynobj::do_read_symbols): Ditto.
2536         (Target_arm::do_finalize_sections): Merge attributes sections from
2537         input.  Check for BLX use after attributes section merging.
2538         Fix __exidx_start and __exidx_end visibility.  Create an
2539         .ARM.attributes section if necessary.
2540         (Target_arm::get_secondary_compatible_arch,
2541         Target_arm::set_secondary_compatible_arch,
2542         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2543         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2544         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2545         New method definitions.
2546
2547 2009-12-09  Ian Lance Taylor  <iant@google.com>
2548
2549         * plugin.cc (Plugin::load): Don't cast from void* to a function
2550         pointer.
2551
2552 2009-12-09  Ian Lance Taylor  <iant@google.com>
2553
2554         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2555         information fields.
2556
2557 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2558
2559         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2560         Replace two_file_shared_1.so with two_file_shared_2.so.
2561         * testsuite/Makefile.in: Regenerated.
2562
2563 2009-12-08  Doug Kwan  <dougkwan@google.com>
2564
2565         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2566         (HFILES): Add attributes.h and int_encoding.h.
2567         * Makefile.in: Regenerate.
2568         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2569         function definitions to int_encoding.cc
2570         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2571         prototypes to int_encoding.h
2572         * reduced_debug_output.cc (int_encoding.h): New include.
2573         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2574         function definitions to int_encoding.cc
2575         (insert_into_vector, read_from_pointer): Move template definitions to
2576         int_encoding.h
2577         * attributes.cc: New file.
2578         * attributes.h: New file.
2579         * int_encoding.cc: New file.
2580         * int_encoding.h: New file.
2581
2582 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2583
2584         PR gold/11055
2585         * incremental-dump.cc (dump_incremental_inputs): New.
2586         (main): Use dump_incremental_inputs.
2587
2588 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2589
2590         PR gold/10893
2591         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2592         checking elfcpp::STT_FUNC.
2593         (Target_i386::Relocate::relocate): Likewise.
2594         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2595
2596         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2597         symbols from shared libraries into normal FUNC symbols.
2598
2599         * symtab.h (Symbol): Add is_func and use it.
2600
2601 2009-12-05  Doug Kwan  <dougkwan@google.com>
2602
2603         * arm.cc (Target_arm::arm_info): Initialize new fields
2604         attributes_section and attributes_vendor.
2605         * i386.cc (Target_i386::i386_info): Same.
2606         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2607         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2608         fields attributes_section and attributes_vendor.
2609         * sparc.cc (Target_sparc::sparc_info): Same.
2610         * target.h (Target::attributes_section, Target::attributes_vendor,
2611         Target::is_attributes_section, Target::attribute_arg_type,
2612         Target::attributes_order): New method definitions.
2613         (Target::Target_info::attributes_section,
2614         Target::Target_info::attributes_vendor): New fields.
2615         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2616         virtual method definitions.
2617         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2618         attributes_section and attributes_vendor.
2619         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2620
2621 2009-12-05  Doug Kwan  <dougkwan@google.com>
2622
2623         * arm.cc: Update comments about interworking and stub generation.
2624         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2625         considered as non-PIC.
2626         (Arm_relocate_functions::base_abs): Fix formatting.
2627         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2628         of function to use GOT entry address instead of offset.
2629         (Target_arm::Scan::global): Issue an error if a symbol would need a
2630         PLT does not get one because it is untyped.  Remove code to create
2631         dynamic symbols for relative branches.
2632         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2633         takes unsigned integer instead of boolean.
2634
2635 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2636
2637         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2638         (two_file_test_LDADD): Likewise.
2639         (common_test_1_LDADD): Likewise.
2640         (exception_test_LDADD) Likewise.
2641         (weak_test_LDADD): Likewise.
2642         (many_sections_test_LDADD): Likewise.
2643         (initpri1_LDADD): Likewise.
2644         (script_test_1_LDADD): Likewise.
2645         (script_test_2_LDADD): Likewise.
2646         (justsyms_LDADD): Likewise.
2647         (binary_test_LDADD): Likewise.
2648         (large_LDADD): Likewise.
2649         * testsuite/Makefile.in: Regenerated.
2650
2651 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2652
2653         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2654         (Symbol_table::override_with_special): Likewise.
2655         (Symbol_table::add_from_object): Likewise.
2656
2657 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2658
2659         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2660         Don't set the data_offset twice.
2661
2662 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2663
2664         * testsuite/Makefile.in: Regenerate.
2665
2666 2009-12-03  Doug Kwan  <dougkwan@google.com>
2667
2668         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2669         (Target_arm::do_finalize_sections): Add parameter for symbol table
2670         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2671         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2672         parameter for symbol table pointer.
2673         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2674         an additional parameter for a pointer to symbol table.
2675         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2676         parameter for a symbol table pointer.
2677         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2678         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2679         Ditto.
2680         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2681         parameter for a symbol table pointer.
2682
2683 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2684
2685         * incremental.cc (Incremental_inputs_header)
2686         (Incremental_inputs_header_write, Incremental_inputs_entry)
2687         (Incremental_inputs_entry_write): Move ...
2688         * incremental.h (Incremental_inputs_header)
2689         (Incremental_inputs_header_write, Incremental_inputs_entry)
2690         (Incremental_inputs_entry_write): here.
2691
2692 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2693
2694         * incremental.cc (make_sized_incremental_binary): Set the target.
2695         Error if it is incompatible.
2696         * output.h (Output_file): Add filename method.
2697
2698 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2699
2700         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2701         from the get_* methods.
2702
2703 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2704
2705         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2706         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2707         Write 0 for the data_offset of scripts.
2708
2709 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2710
2711         * testsuite/Makefile.am: Add the incremental_test.sh test.
2712         * testsuite/incremental_test.sh: New.
2713         * testsuite/incremental_test_1.c: New.
2714         * testsuite/incremental_test_2.c: New.
2715
2716 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2717
2718        * incremental-dump.cc (main): Fix typos.
2719
2720 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2721
2722         PR gold/11025
2723         * incremental-dump.cc (main): Use llu to print 64 bit values.
2724
2725 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2726             H.J. Lu  <hongjiu.lu@intel.com>
2727
2728         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2729         $(LIBDL).
2730         (incremental_dump_LDADD): Likewise.
2731         * Makefile.in: Regenerated.
2732
2733 2009-11-25  Doug Kwan  <dougkwan@google.com>
2734         
2735         Revert:
2736
2737         2009-11-25  Doug Kwan  <dougkwan@google.com>
2738
2739                 * arm.cc (Target_arm::Target_arm): Move method definition
2740                 outside of class definition.  Add code to handle
2741                 --target1-rel, --target1-abs and --target2= options.
2742                 (Target_arm::get_reloc_reloc_type): Change method to be
2743                 non-static and const.
2744                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2745                 New data member declaration.
2746                 (Target_arm::Scan::local, Target_arm::Scan::global,
2747                 Target_arm::Relocate::relocate,
2748                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2749                 Adjust call to Target_arm::get_real_reloc_type.
2750                 (Target_arm::get_real_reloc_type): Use command line options
2751                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2752                 * options.h (--target1-rel, --target1-abs, --target2): New
2753                 ARM-only options.
2754
2755 2009-11-25  Doug Kwan  <dougkwan@google.com>
2756
2757         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2758         class definition.  Add code to handle --target1-rel, --target1-abs
2759         and --target2= options.
2760         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2761         and const.
2762         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2763         member declaration.
2764         (Target_arm::Scan::local, Target_arm::Scan::global,
2765         Target_arm::Relocate::relocate,
2766         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2767         call to Target_arm::get_real_reloc_type.
2768         (Target_arm::get_real_reloc_type): Use command line options to
2769         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2770         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2771         options.
2772
2773 2009-11-25  Doug Kwan  <dougkwan@google.com>
2774
2775         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2776         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2777         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2778         formatting.
2779         (Arm_relocate_functions::thm_call): Replace body with a call to
2780         Arm_relocate_functions::thumb_branch_common.
2781         (Arm_relocate_functions::thm_jump24,
2782         Arm_relocate_functions::thm_xpc22): New method definitions.
2783         (Arm_relocate_functions::thumb_branch_common): New method definition.
2784         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2785         operator.
2786         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2787         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2788
2789 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2790
2791         * Makefile.am: Build incremental-dump
2792         * Makefile.in: Regenerate.
2793         * incremental-dump.cc: New.
2794         * incremental.cc (Incremental_inputs_header_data,
2795         Incremental_inputs_entry_data): Move to incremental.h
2796         * incremental.h: (Incremental_inputs_header_data,
2797         Incremental_inputs_entry_data): Move from incremental.cc
2798
2799 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2800
2801         * incremental.cc (Incremental_inputs_header,
2802         Incremental_inputs_header_write, Incremental_inputs_entry,
2803         Incremental_inputs_entry_write): Add a typedef with the data type.
2804
2805 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2806
2807         * incremental.cc (Incremental_inputs_header,
2808         Incremental_inputs_header_write, Incremental_inputs_entry,
2809         Incremental_inputs_entry_write): Update comment about which
2810         type has the filed descriptions.
2811
2812 2009-11-15  Doug Kwan  <dougkwan@google.com>
2813
2814         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2815         (Arm_relocate_functions::arm_branch_common): Change method defintion
2816         in class definition to a method declaration and update list of formal
2817         parameters.
2818         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2819         Arm_relocation_functions::jump24): Adjust call to
2820         Arm_relocate_functions::arm_branch_common.  Update list of formal
2821         parameters.
2822         (Arm_relocate_functions::xpc25): New method definition.
2823         (Arm_relocate_functions::arm_branch_common): Move method defintion
2824         out from class definition.  Use stubs for mode-switching and extending
2825         branch ranges.
2826         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2827         specially.  Change code to enable use of stubs in ARM branches.
2828
2829 2009-11-10  Doug Kwan  <dougkwan@google.com>
2830
2831         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2832         in method declaration.
2833         (Target_arm::relocate_stub): New method declaration.
2834         (Target_arm::default_target): Change to return a pointer instead of
2835         a const reference.
2836         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2837         Target_arm::default_target.
2838         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2839         method definition.
2840         (Target_arm::relocate_section): Adjust view.
2841         (Target_arm::relocate_stub): New method definition.
2842
2843 2009-11-10  Doug Kwan  <dougkwan@google.com>
2844
2845         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2846         a format warning.
2847         * incremental.cc (open_incremental_binary): Initialized local
2848         variables to avoid warnings.
2849         * object.cc (make_elf_object): Ditto.
2850         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2851         a format warning.
2852  
2853 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2854
2855         PR gold/10930
2856         * testsuite/plugin_test.c: Include "config.h".
2857
2858 2009-11-09  Doug Kwan  <dougkwan@google.com>
2859
2860         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2861         (arm_symbol_value): Remove.
2862         (Arm_relocate_functions::arm_branch_common,
2863         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2864         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2865         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2866         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2867         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2868         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2869         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2870         Arm_relocate_functions::thm_mobw_abs_nc,
2871         Arm_relocate_functions::thm_mov_abs,
2872         Arm_relocate_functions::movw_prel_nc,
2873         Arm_relocate_functions::thm_movt_abs,
2874         Arm_relocate_functions::movt_prel,
2875         Arm_relocate_functions::thm_movw_prel_nc,
2876         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2877         (Target_arm::Relocate::relocate): Only decompose address into two
2878         parts if relocation type uses the thumb-bit and pass the actual
2879         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2880         calls to methods in Arm_relocate_functions for this change.
2881
2882 2009-11-08  Ian Lance Taylor  <iant@google.com>
2883
2884         PR 10925
2885         * reloc.cc: Instantiate
2886         Sized_relobj::initialize_input_to_output_maps and
2887         Sized_relobj:free_input_to_output_maps.
2888
2889 2009-11-06  Ian Lance Taylor  <iant@google.com>
2890
2891         PR 10876
2892         * defstd.cc (in_segment): Set only_if_ref true for "end".
2893
2894 2009-11-06  Doug Kwan  <dougkwan@google.com>
2895
2896         * arm.cc (class Reloc_stub): Correct a comment.
2897         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2898         (Target_arm::scan_section_for_stubs): New method declaration.
2899         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2900         Change methods from private to protected.
2901         (Target_arm::do_may_relax): New method definition.
2902         (Target_arm::do_relax, Target_arm::group_sections,
2903         Target_arm::scan_reloc_for_stub,
2904         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2905         (Target_arm::arm_input_section_map_): New data member declaration.
2906         (Target_arm::scan_reloc_for_stub,
2907         Target_arm::scan_reloc_section_for_stubs,
2908         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2909         Target_arm::do_relax): New method definitions.
2910
2911 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2912
2913         * configure.ac: Check for (struct stat)::st_mtim
2914         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2915         * config.in: Regenerate.
2916         * configure: Regenerate.
2917
2918 2009-11-05  Ian Lance Taylor  <iant@google.com>
2919
2920         PR 10910
2921         * output.cc (Output_segment::add_output_section): Add missing
2922         return statement.
2923
2924 2009-11-04  Ian Lance Taylor  <iant@google.com>
2925
2926         PR 10880
2927         * object.h (class Object): Add is_needed and set_is_needed
2928         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2929         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2930         defined in a dynamic object and referenced by a regular object,
2931         set is_needed for the dynamic object.
2932         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2933         if the file is marked with as_needed and it is not needed.
2934
2935 2009-11-04  Ian Lance Taylor  <iant@google.com>
2936
2937         PR 10887
2938         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2939         tags if data is discarded by linker script.
2940         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2941         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2942         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2943         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2944
2945 2009-11-04  Ian Lance Taylor  <iant@google.com>
2946
2947         * layout.cc (Layout::get_output_section): Add is_interp and
2948         is_dynamic_linker_section parameters.  Change all callers.
2949         (Layout::choose_output_section): Likewise.
2950         (Layout::make_output_section): Likewise.
2951         (Layout::add_output_section_data): Add is_dynamic_linker_section
2952         parameter.  Change all callers.
2953         * layout.h (class Layout): Update declarations.
2954         * output.h (class Output_section): Add is_interp, set_is_interp,
2955         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2956         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2957         generate_code_fills_at_write_ to a bitfield.
2958         * output.cc (Output_section::Output_sections): Initialize new
2959         fields.
2960         (Output_segment::add_output_section): Add do_sort parameter.
2961         Change all callers.
2962
2963 2009-11-03  Ian Lance Taylor  <iant@google.com>
2964
2965         PR 10860
2966         * options.h (class General_options): Add --warn-common.
2967         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2968         merging two common symbols.
2969         (Symbol_table::should_override): Handle --warn-common when merging
2970         a common symbol with a defined symbol.  Use report_resolve_problem
2971         for multiple definitions.
2972         (Symbol_table::report_resolve_problem): New function.
2973         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2974
2975 2009-11-03  Doug Kwan  <dougkwan@google.com>
2976
2977         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2978         stub_factory_.
2979         (Target_arm::stub_factory): New method definition.
2980         (Target_arm::new_arm_input_section,
2981         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2982         Target_arm::reloc_uses_thumb_bit): New method declarations.
2983         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2984         New type definitions.
2985         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2986         member declarations.
2987         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2988         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2989         New method definitions.
2990
2991 2009-11-03  Ian Lance Taylor  <iant@google.com>
2992
2993         * options.h (class General_options): Add --warn_constructors.
2994
2995 2009-11-03  Ian Lance Taylor  <iant@google.com>
2996
2997         PR 10893
2998         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2999         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3000
3001 2009-11-03  Ian Lance Taylor  <iant@google.com>
3002
3003         PR 10895
3004         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3005         --msgid-bugs-address.
3006         (install-pdf): New target.
3007         (install-data_yes): Look up one directory to find mkinstalldirs.
3008
3009 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3010
3011         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3012         tree.
3013
3014 2009-10-30  Doug Kwan  <dougkwan@google.com>
3015
3016         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3017
3018 2009-10-30  Doug Kwan  <dougkwan@google.com>
3019
3020         * arm.cc (Stub_addend_reader): New struct template definition
3021         and partial specializations.
3022         (Stub_addend_reader::operator()): New method definition for a
3023         partially specialized template.
3024
3025 2009-10-30  Doug Kwan  <dougkwan@google.com>
3026
3027         * arm.cc (Arm_relobj::processor_specific_flags): New method
3028         definition.
3029         (Arm_relobj::do_read_symbols): New method declaration.
3030         (Arm_relobj::processor_specific_flags_): New data member declaration.
3031         (Arm_dynobj): New class definition.
3032         (Target_arm::do_finalize_sections): Add input_objects parameter.
3033         (Target_arm::do_adjust_elf_header): New method declaration.
3034         (Target_arm::are_eabi_versions_compatible,
3035         (Target_arm::merge_processor_specific_flags): New method declaration.
3036         (Target_arm::do_make_elf_object): New overloaded method definitions
3037         and declaration.
3038         (Arm_relobj::do_read_symbols): New method definition.
3039         (Arm_dynobj::do_read_symbols): Ditto.
3040         (Target_arm::do_finalize_sections): Add input_objects parameters.
3041         Merge processor-specific flags from all input objects.
3042         (Target_arm::are_eabi_versions_compatible,
3043         Target_arm::merge_processor_specific_flags,
3044         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3045         New method definitions.
3046         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3047         Input_objects pointer type parameter.
3048         * layout.cc (Layout::finalize): Pass input objects to target's.
3049         finalize_sections function.
3050         * output.cc (Output_file_header::do_sized_write): Set ELF file
3051         header's processor-specific flags.
3052         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3053         Input_objects pointer type parameter.
3054         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3055         * target.h (Input_objects): New forward class declaration.
3056         (Target::processor_specific_flags,
3057         Target::are_processor_specific_flags_sect): New method definitions.
3058         (Target::finalize_sections): Add input_objects parameter.
3059         (Target::Target): Initialize processor_specific_flags_ and
3060         are_processor_specific_flags_set_.
3061         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3062         parameter.
3063         (Target::set_processor_specific_flags): New method definition.
3064         (Target::processor_specific_flags_,
3065         Target::are_processor_specific_flags_set_): New data member
3066         declarations.
3067         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3068         Input_objects pointer type parameter.
3069
3070 2009-10-30  Doug Kwan  <dougkwan@google.com>
3071
3072         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3073
3074 2009-10-28  Ian Lance Taylor  <iant@google.com>
3075
3076         * object.h (class Relobj): Drop options parameter from
3077         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3078         do_scan_relocs, do_relocate.  Change all callers.
3079         (class Sized_relobj): Drop options parameters from
3080         do_gc_process_relocs, do_scan_relocs, do_relocate,
3081         do_relocate_sections, relocate_sections, emit_relocs_scan,
3082         emit_relocs_scan_reltype.  Change all callers.
3083         (struct Relocate_info): Remove options field and all references to
3084         it.
3085         * reloc.h (class Read_relocs): Remove options constructor
3086         parameter and options_ field.  Change all callers.
3087         (class Gc_process_relocs, class Scan_relocs): Likewise.
3088         (class Relocate_task): Likewise.
3089         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3090         all callers.
3091         (scan_relocatable_relocs): Likewise.
3092         * target.h (class Sized_target): Remove options parameter from
3093         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3094         all callers.
3095         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3096         callers.
3097         * arm.cc: Update functions to remove options parameters.
3098         * i386.cc: Likewise.
3099         * powerpc.cc: Likewise.
3100         * sparc.cc: Likewise.
3101         * x86_64.cc: Likewise.
3102         * testsuite/testfile.cc: Likewise.
3103
3104 2009-10-28  Doug Kwan  <dougkwan@google.com>
3105
3106         * arm.cc (Arm_relobj): New class definition.
3107         (Arm_relobj::scan_sections_for_stubs, 
3108         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3109         New method definitions.
3110
3111 2009-10-28  Cary Coutant  <ccoutant@google.com>
3112
3113         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3114         (Plugin::cleanup_done_): New member.
3115         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3116         (Plugin_manager::cleanup_done_): Remove.
3117         (Plugin_manager::add_input_file): Edit error message.
3118         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3119         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3120
3121 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3122
3123         * fileread.cc: (File_read::View::~View): Use the new
3124         data_ownership_ filed.
3125         (File_read::~File_read): Dispose the new whole_file_view_.
3126         (File_read::open): Mmap the whole file if needed.
3127         (File_read::open): Use whole_file_view_ instead of contents_.
3128         (File_read::find_view): Use whole_file_view_ if applicable.
3129         (File_read::do_read): Use whole_file_view_ instead of contents_.
3130         (File_read::make_view): Use whole_file_view_ instead of contents_,
3131         update File_read::View::View call.
3132         (File_read::find_or_make_view): Update File_read::View::View
3133         call.
3134         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3135         remove contents_
3136         (File_read::View::Data_ownership): New enum.
3137         (File_read::View::View): Replace bool mapped_ with Data_ownership
3138         argument.
3139         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3140         (File_read::View::data_ownership_): New field.
3141         (File_read::contents_): Remove (replaced by whole_file_view_).
3142         (File_read::whole_file_view_): New field.
3143         * options.h (class General_options): Add --keep-files-mapped.
3144
3145 2009-10-27  Cary Coutant  <ccoutant@google.com>
3146
3147         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3148         * testsuite/Makefile.am (plugin_test_5): New test case.
3149         * testsuite/Makefile.in: Regenerate.
3150
3151 2009-10-25  Doug Kwan  <dougkwan@google.com>
3152
3153         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3154         from private to protected to allow access by child class.
3155         (Sized_relobj::do_relocate_sections): New method declaration.
3156         (Sized_relobj::relocate_sections): Virtualize.
3157         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
3158         Sized_relobj::relocate_sections.  Instantiate template explicitly
3159         for different target sizes and endianity.
3160
3161 2009-10-24  Doug Kwan  <dougkwan@google.com>
3162
3163         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3164         (Arm_input_section::as_arm_input_section): New method.
3165         (Arm_output_section): New class definition.
3166         (Arm_output_section::create_stub_group,
3167         Arm_output_section::group_sections): New method definitions.
3168
3169 2009-10-22  Doug Kwan  <dougkwan@google.com>
3170
3171         * arm.cc (Arm_input_section): New class definition.
3172         (Arm_input_section::init, Arm_input_section:do_write,
3173         Arm_input_section::set_final_data_size,
3174         Arm_input_section::do_reset_address_and_file_offset): New method
3175         definitions.
3176
3177 2009-10-21  Doug Kwan  <dougkwan@google.com>
3178
3179         * arm.cc (Stub_table, Arm_input_section): New forward class
3180         declarations.
3181         (Stub_table): New class defintion.
3182         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3183         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3184         New method definition.
3185
3186 2009-10-21  Doug Kwan  <dougkwan@google.com>
3187
3188         * arm.cc: Update copyright comments.
3189         (Target_arm): New forward class template declaration.
3190         (Arm_address): New type.
3191         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3192         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3193         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3194         constants.
3195         (Insn_template): Same.
3196         (DEF_STUBS): New macro.
3197         (Stub_type): New enum type.
3198         (Stub_template): New class definition.
3199         (Stub): Same.
3200         (Reloc_stub): Same.
3201         (Stub_factory): Same.
3202         (Target_arm::Target_arm): Initialize may_use_blx_ and
3203         should_force_pic_veneer_.
3204         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3205         Target_arm::should_force_pic_veneer,
3206         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3207         Target_arm::using_thumb_only, Target_arm:;default_target): New
3208         method defintions.
3209         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3210         New data member declarations.
3211         (Insn_template::size, Insn_template::alignment): New method defintions.
3212         (Stub_template::Stub_template): New method definition.
3213         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3214         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3215         (Stub_factory::Stub_factory): New method definition.
3216         * gold.h (string_hash): New template.
3217         * output.h (Input_section_specifier::hash_value): Use
3218         gold::string_hash.
3219         (Input_section_specifier::string_hash): Remove.
3220         * stringpool.cc (Stringpool_template::string_hash): Use
3221         gold::string_hash.
3222
3223 2009-10-20  Doug Kwan  <dougkwan@google.com>
3224
3225         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3226         symbols of relaxed input sections.
3227         * output.h (Output_section::find_relaxed_input_section): Make
3228         method public.
3229
3230 2009-10-16  Doug Kwan  <dougkwan@google.com>
3231
3232         * dynobj.cc (Versions::Versions): Initialize version_script_.
3233         Only insert base version symbol definition for a shared object
3234         if version script defines any version versions.
3235         (Versions::define_base_version): New method definition.
3236         (Versions::add_def): Check that base version is not needed.
3237         (Versions::add_need): Define base version lazily.
3238         * dynobj.h (Versions::define_base_version): New method declaration.
3239         (Versions::needs_base_version_): New data member declaration.
3240         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3241         (check_DATA): Add no_version_test.stdout.
3242         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3243         New make rules.
3244         * testsuite/Makefile.in: Regenerate.
3245         * testsuite/no_version_test.c: New file.
3246         * testsuite/no_version_test.sh: Ditto.
3247
3248 2009-10-16  Doug Kwan  <dougkwan@google.com>
3249
3250         * expression.cc (class Segment_start_expression): New class definition.
3251         (Segment_start_expression::value): New method definition.
3252         (script_exp_function_segment_start): Return a new
3253         Segment_start_expression.
3254         * gold/script-c.h (script_saw_segment_start_expression): New function
3255         prototype.
3256         * script-sections.cc (Script_sections::Script_sections): Initialize
3257         SAW_SEGMENT_START_EXPRESSION_ to false.
3258         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3259         and -Tbbs options to specify section addresses if given in
3260         command line and no SEGMENT_START expression is seen in a script.
3261         * script-sections.h (Script_sections::saw_segment_start_expression,
3262         Script_sections::set_saw_segment_start_expression): New method
3263         definition.
3264         (Script_sections::saw_segment_start_expression_): New data member
3265         declaration.
3266         * script.cc (script_saw_segment_start_expression): New function.
3267         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3268         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3269         script_test_7.sh and script_test_8.sh.
3270         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3271         script_test_8.stdout.
3272         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3273         (script_test_6, script_test_6.stdout, script_test_7,
3274         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3275         * Makefile.in: Regenerate.
3276         * testsuite/script_test_6.sh: New file.
3277         * testsuite/script_test_6.t: Same.
3278         * testsuite/script_test_7.sh: Same.
3279         * testsuite/script_test_7.t: Same.
3280         * testsuite/script_test_8.sh: Same.
3281
3282 2009-10-16  Doug Kwan  <dougkwan@google.com>
3283
3284         * output.cc (Output_segment::set_section_list_address): Cast
3285         expressions to unsigned long long type to avoid format warnings.
3286
3287 2009-10-15  Ian Lance Taylor  <iant@google.com>
3288
3289         * script.cc (Script_options::add_symbol_assignment): Always add a
3290         dot assignment to script_sections_.
3291         * script-sections.cc (Script_sections::add_dot_assignment):
3292         Initialize if necessary.
3293
3294         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3295         program headers with no load segment if there is a linker script.
3296
3297         * layout.cc (Layout::set_segment_offsets): Align the file offset
3298         to the segment aligment for -N or -n with no load segment.
3299         * output.cc (Output_segment::add_output_section): Don't crash if
3300         the first section is a TLS section.
3301         (Output_segment::set_section_list_addresses): Print an error
3302         message if the address moves backward in a linker script.
3303         * script-sections.cc
3304         (Output_section_element_input::set_section_addresses): Don't
3305         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3306         (Orphan_output_section::set_section_addresses): Likewise.
3307
3308 2009-10-15  Doug Kwan  <dougkwan@google.com>
3309
3310         * layout.cc (Layout::finish_dynamic_section): Generate tags
3311         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3312         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3313         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3314
3315 2009-10-14  Ian Lance Taylor  <iant@google.com>
3316
3317         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3318         fields.
3319         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3320         data_shdr fields of relinfo.
3321         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3322         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3323         R_386_TLS_LDO_32, adjust based on section flags.
3324         (Target_i386::Relocate::fix_up_ldo): Remove.
3325
3326 2009-10-13  Ian Lance Taylor  <iant@google.com>
3327
3328         Add support for -pie.
3329         * options.h (class General_options): Add -pie and
3330         --pic-executable.
3331         (General_options::output_is_position_independent): Test -pie.
3332         (General_options::output_is_executable): Return true if not shared
3333         and not relocatable.
3334         (General_options::output_is_pie): Remove.
3335         * options.cc (General_options::finalize): Reject incompatible uses
3336         of -pie.
3337         * gold.cc (queue_middle_tasks): A -pie link is not static.
3338         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3339         * symtab.cc (Symbol::final_value_is_known): Return false if
3340         output_is_position_independent.
3341         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3342         output_is_position_independent.
3343         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3344         output_is_position_independent.
3345         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3346         output_is_position_independent.
3347         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3348         two_file_pie_test.
3349         (basic_pie_test.o, basic_pie_test): New targets.
3350         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3351         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3352         (two_file_pie_test): New target.
3353         * testsuite/Makefile.in: Rebuild.
3354         * README: Remove note saying that -pie is not supported.
3355
3356 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3357
3358         * options.h (class General_options): Add -init and -fini.
3359         * layout.cc (Layout::finish_dynamic_section): Emit
3360         given init and fini functions.
3361
3362 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3363
3364         * gc.h (gc_process_relocs): Check if icf is enabled using new
3365         function.
3366         * gold.cc (queue_initial_tasks): Likewise.
3367         (queue_middle_tasks): Likewise.
3368         * object.cc (do_layout): Likewise.
3369         * symtab.cc (is_section_folded): Likewise.
3370         * main.cc (main): Likewise.
3371         * reloc.cc (Read_relocs::run): Likewise.
3372         (Sized_relobj::do_scan_relocs): Likewise.
3373         * icf.cc (is_function_ctor_or_dtor): New function.
3374         (Icf::find_identical_sections): Check if function is ctor or dtor when
3375         safe icf is chosen.
3376         * options.h (General_options::icf): Change option to be an enum.
3377         (Icf_status): New enum.
3378         (icf_enabled): New method.
3379         (icf_safe_folding): New method.
3380         (set_icf_status): New method.
3381         (icf_status_): New variable.
3382         * (options.cc) (General_options::finalize): Set icf_status_.
3383         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3384         icf_test and icf_keep_unique_test to use the --icf enum flag.
3385         * testsuite/icf_safe_test.sh: New file.
3386         * testsuite/icf_safe_test.cc: New file. 
3387
3388 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3389
3390         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3391         includes to gc.h and icf.h.
3392         * arm.cc: Include gc.h.
3393         * gold.cc: Likewise.
3394         * i386.cc: Likewise.
3395         * powerpc.cc: Likewise.
3396         * sparc.cc: Likewise.
3397         * x86_64.cc: Likewise.
3398         * gc.h: Include icf.h.
3399
3400 2009-10-11  Ian Lance Taylor  <iant@google.com>
3401
3402         * plugin.cc: Include "gold.h" before other header files.
3403
3404 2009-10-10  Chris Demetriou  <cgd@google.com>
3405
3406         * options.h (Input_file_argument::Input_file_type): New enum.
3407         (Input_file_argument::is_lib_): Replace with...
3408         (Input_file_argument::type_): New member.
3409         (Input_file_argument::Input_file_argument): Take Input_file_type
3410         'type' rather than boolean 'is_lib' as second argument.
3411         (Input_file_argument::is_lib): Use type_.
3412         (Input_file_argument::is_searched_file): New function.
3413         (Input_file_argument::may_need_search): Handle is_searched_file.
3414         * options.cc (General_options::parse_library): Support -l:filename.
3415         (General_options::parse_just_symbols): Update for Input_file_argument
3416         changes.
3417         (Command_line::process): Likewise.
3418         * archive.cc (Archive::get_file_and_offset): Likewise.
3419         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3420         * script.cc (read_script_file, script_add_file): Likewise.
3421         * fileread.cc (Input_file::Input_file): Likewise.
3422         (Input_file::will_search_for): Handle is_searched_file.
3423         (Input_file::open): Likewise.
3424         * readsyms.cc (Read_symbols::get_name): Likewise.
3425         * testsuite/Makefile.am (searched_file_test): New test.
3426         * testsuite/Makefile.in: Regenerate.
3427         * testsuite/searched_file_test.cc: New file.
3428         * testsuite/searched_file_test_lib.cc: New file.
3429
3430 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3431             Ian Lance Taylor  <iant@google.com>
3432
3433         * descriptor.cc: Include <cstdio> and "binary-io.h".
3434         (Descriptors::open): Open the files in binary mode always.
3435         * script.cc (Lex::get_token): Treat \r as whitespace.
3436
3437 2009-10-09  Ian Lance Taylor  <iant@google.com>
3438
3439         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3440
3441 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3442             Ian Lance Taylor  <iant@google.com>
3443
3444         * configure.ac: Check for readv function also.
3445         * fileread.cc (readv): Define if not HAVE_READV.
3446         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3447         does not exist.
3448         * config.in: Regenerate.
3449         * configure: Regenerate.
3450
3451 2009-10-09  Doug Kwan  <dougkwan@google.com>
3452
3453         * layout.cc (Layout::make_output_section): Call target hook to make
3454         ordinary output section.
3455         (Layout::finalize): Adjust parameter list of call the
3456         Target::may_relax().
3457         * layout.h (class Layout::section_list): New method.
3458         * merge.h (Output_merge_base::entsize): Change visibility to public.
3459         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3460         New methods.
3461         (Output_merge_string::do_is_string): New method.
3462         * object.cc (Sized_relobj::do_setup): renamed from
3463         Sized_relobj::set_up.
3464         * object.h (Sized_relobj::adjust_shndx,
3465         Sized_relobj::initializ_input_to_output_maps,
3466         Sized_relobj::free_input_to_output_maps): Change visibilities to
3467         protected.
3468         (Sized_relobj::setup): Virtualize.
3469         (Sized_relobj::do_setup): New method declaration.
3470         (Sized_relobj::invalidate_section_offset,
3471         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3472         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3473         * options.cc (parse_int): New function.
3474         * options.h (parse_int): New declaration.
3475         (DEFINE_int): New macro.
3476         (stub_group_size): New option.
3477         * output.cc (Output_section::Output_section): Initialize memebers
3478         merge_section_map_, merge_section_by_properties_map_,
3479         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3480         (Output_section::add_input_section): Handled deferred code-fill
3481         generation and remove an old comment.
3482         (Output_section::add_relaxed_input_section): New method definition.
3483         (Output_section::add_merge_input_section): Use merge section by
3484         properties map to speed to search.  Update merge section maps
3485         as appropriate.
3486         (Output_section::build_relaxation_map): New method definition.
3487         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3488         Same.
3489         (Output_section::relax_input_section): Renamed to
3490         Output_section::convert_input_sections_to_relaxed_sections and change
3491         interface to take a vector of pointers to relaxed sections.
3492         (Output_section::find_merge_section,
3493         Output_section::find_relaxed_input_section): New method definitions.
3494         (Output_section::is_input_address_mapped,
3495         Output_section::output_offset, Output_section::output_address):
3496         Use output section data maps to speed up searching.
3497         (Output_section::find_starting_output_address): Add comments.
3498         (Output_section::do_write,
3499         Output_section::write_to_postprocessing_buffer): Do code-fill
3500         generation as appropriate.
3501         (Output_section::get_input_sections): Invalidate relaxed input section
3502         map.
3503         (Output_section::restore_states): Adjust type of checkpoint .
3504         Invalidate relaxed input section map.
3505         * output.h (Output_merge_base): New class declaration.
3506         (Input_section_specifier): New class defintion.
3507         (class Output_relaxed_input_section) Change base class to
3508         Output_section_data_build.
3509         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3510         base class initializer.
3511         (Output_section::add_relaxed_input_section): New method declaration.
3512         (Output_section::Input_section): Change visibility to protected.
3513         (Output_section::Input_section::relobj,
3514         Output_section::Input_section::shndx): Handle relaxed input sections.
3515         Output_section::input_sections) Change visibility to protected.  Also
3516         define overload to return a non-const pointer.
3517         (Output_section::Merge_section_properties): New class defintion.
3518         (Output_section::Merge_section_by_properties_map,
3519         Output_section::Output_section_data_by_input_section_map,
3520         Output_section::Relaxation_map): New types.
3521         (Output_section::relax_input_section): Rename method to
3522         Output_section::convert_input_sections_to_relaxed_sections and change
3523         interface to take a vector of relaxed section pointers.
3524         (Output_section::find_merge_section,
3525         Output_section::find_relaxed_input_section,
3526         Output_section::build_relaxation_map,
3527         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3528         New method declarations.
3529         (Output_section::merge_section_map_
3530         Output_section::merge_section_by_properties_map_,
3531         Output_section::relaxed_input_section_map_,
3532         Output_section::is_relaxed_input_section_map_valid_,
3533         Output_section::generate_code_fills_at_write_): New data members.
3534         * script-sections.cc
3535         (Output_section_element_input::set_section_addresses): Call
3536         current_data_size and addralign methods of relaxed input sections.
3537         (Orphan_output_section::set_section_addresses): Call current_data_size
3538         and addralign methods of relaxed input sections.
3539         * symtab.cc (Symbol_table::compute_final_value): Extract template
3540         from the body of Symbol_table::sized_finalize_symbol.
3541         (Symbol_table::sized_finalized_symbol): Call
3542         Symbol_table::compute_final_value.
3543         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3544         (Symbol_table::compute_final_value): New templated method declaration.
3545         * target.cc (Target::do_make_output_section): New method defintion.
3546         * target.h (Target::make_output_section): New method declaration.
3547         (Target::relax): Add more parameters for input objects, symbol table
3548         and layout.  Adjust call to do_relax.
3549         (Target::do_make_output_section): New method declaration.
3550         (Target::do_relax): Add parameters for input objects, symbol table
3551         and layout.
3552
3553 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3554
3555         * pread.c: Include stdio.h.
3556
3557 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3558
3559         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3560         defined.
3561
3562 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3563
3564         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3565         Change read_shndx type to unsigned int.
3566         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3567         int.
3568         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3569         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3570         Change read_shndx type to unsigned int.
3571         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3572         int.
3573         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3574         * layout.cc (Layout::create_symtab_sections): Cast the result of
3575         local_symcount * symsize to off_t in the gold_assert.
3576
3577 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3578
3579         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3580         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3581         R_ARM_BASE_ABS.
3582         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3583         (Arm_relocate_functions::thm_abs5): New function.
3584         (Arm_relocate_functions::abs12): New function.
3585         (Arm_relocate_functions::abs16): New function.
3586         (Arm_relocate_functions::base_abs): New function.
3587         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3588         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3589         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3590         R_ARM_BASE_ABS.
3591         (Scan::global): Likewise.
3592         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3593         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3594         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3595         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3596         R_ARM_BASE_ABS.
3597
3598 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3599
3600         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3601         (Arm_relocate_functions::movt_prel): New function.
3602         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3603         (Arm_relocate_functions::thm_movt_prel): New function.
3604         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3605         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3606         (Scan::global, Relocate::relocate): Likewise.
3607         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3608
3609 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3610
3611         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3612         Incremental_checker.
3613         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3614         unsigned int.
3615         (class Incremental_inputs_header): New class.
3616         (Incremental_inputs_header_writer): Edit comment.
3617         (Incremental_inputs_entry): New class.
3618         (Incremental_inputs_entry_writer): Edit comment.
3619         (Sized_incremental_binary::do_find_incremental_inputs_section):
3620         Add *strtab_shndx parameter, fill it.
3621         (Sized_incremental_binary::do_check_inputs): New method.
3622         (Incremental_checker::can_incrementally_link_output_file): Use
3623         Sized_incremental_binary::check_inputs.
3624         (Incremental_inputs::report_command_line): Save command line in
3625         command_line_.
3626         * incremental.h:
3627         (Incremental_binary::find_incremental_inputs_section): New
3628         method.
3629         (Incremental_binary::do_find_incremental_inputs_section): Add
3630         strtab_shndx parameter.
3631         (Incremental_binary::do_check_inputs): New pure virtual method.
3632         (Sized_incremental_binary::do_check_inputs): Declare.
3633         (Incremental_checker::Incremental_checker): Add incremental_inputs
3634         parameter, use it to initialize incremental_inputs_.
3635         (Incremental_checker::incremental_inputs_): New field.
3636         (Incremental_checker::command_line): New method.
3637         (Incremental_checker::inputs): New method.
3638         (Incremental_checker::command_line_): New field.
3639
3640 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3641
3642         * incremental.cc: Include <cstdarg> and "target-select.h".
3643         (vexplain_no_incremental): New function.
3644         (explain_no_incremental): New function.
3645         (Incremental_binary::error): New method.
3646         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3647         method.
3648         (make_sized_incremental_binary): New function.
3649         (open_incremental_binary): New function.
3650         (can_incrementally_link_file): Add checks if output is ELF and has
3651         inputs section.
3652         * incremental.h: Include "elfcpp_file.h" and "output.h".
3653         (Incremental_binary): New class.
3654         (Sized_incremental_binary): New class.
3655         (open_incremental_binary): Declare.
3656         * object.cc (is_elf_object): Use
3657         elfcpp::Elf_recognizer::is_elf_file.
3658         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3659         * output.h (Output_file::filesize): New method.
3660
3661 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3662
3663         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3664         New function.
3665         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3666         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3667         function.
3668         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3669         function.
3670         (Arm_relocate_functions::movw_abs_nc): New function.
3671         (Arm_relocate_functions::movt_abs): New function.
3672         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3673         (Arm_relocate_functions::thm_movt_abs): New function.
3674         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3675         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3676         (Scan::global): Likewise.
3677         (Relocate::relocate): Likewise.
3678         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3679
3680 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3681
3682         * arm.cc (Arm_relocate_functions::got_prel) New function.
3683         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3684         (Relocate::relocate): Likewise.
3685         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3686
3687 2009-10-06  Ian Lance Taylor  <iant@google.com>
3688
3689         * options.h (class General_options): Define
3690         split_stack_adjust_size parameter.
3691         * object.h (class Object): Add uses_split_stack_ and
3692         has_no_split_stack_ fields.  Add uses_split_stack and
3693         has_no_split_stack accessor functions.  Declare
3694         handle_split_stack_section.
3695         (class Reloc_symbol_changes): Define.
3696         (class Sized_relobj): Define Function_offsets.  Declare
3697         split_stack_adjust, split_stack_adjust_reltype, and
3698         find_functions.
3699         * object.cc (Object::handle_split_stack_section): New function.
3700         (Sized_relobj::do_layout): Call handle_split_stack_section.
3701         * dynobj.cc (Sized_dynobj::do_layout): Call
3702         handle_split_stack_section.
3703         * reloc.cc (Sized_relobj::relocate_sections): Call
3704         split_stack_adjust for executable sections in split_stack
3705         objects.  Pass reloc_map to relocate_section.
3706         (Sized_relobj::split_stack_adjust): New function.
3707         (Sized_relobj::split_stack_adjust_reltype): New function.
3708         (Sized_relobj::find_functions): New function.
3709         * target-reloc.h: Include "object.h".
3710         (relocate_section): Add reloc_symbol_changes parameter.  Change
3711         all callers.
3712         * target.h (class Target): Add calls_non_split method.  Declare
3713         do_calls_non_split virtual method.  Declare match_view and
3714         set_view_to_nop.
3715         * target.cc: Include "elfcpp.h".
3716         (Target::do_calls_non_split): New function.
3717         (Target::match_view): New function.
3718         (Target::set_view_to_nop): New function.
3719         * gold.cc (queue_middle_tasks): Give an error if mixing
3720         split-stack and non-split-stack objects with -r.
3721         * i386.cc (Target_i386::relocate_section): Add
3722         reloc_symbol_changes parameter.
3723         (Target_i386::do_calls_non_split): New function.
3724         * x86_64.cc (Target_x86_64::relocate_section): Add
3725         reloc_symbol_changes parameter.
3726         (Target_x86_64::do_calls_non_split): New function.
3727         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3728         parameter.
3729         * powerpc.cc (Target_powerpc::relocate_section): Add
3730         reloc_symbol_changes parameter.
3731         * sparc.cc (Target_sparc::relocate_section): Add
3732         reloc_symbol_changes parameter.
3733         * configure.ac: Call AM_CONDITIONAL for the default target.
3734         * configure: Rebuild.
3735         * testsuite/Makefile.am (TEST_AS): New variable.
3736         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3737         (check_DATA): Add split_i386 and split_x86_64 files.
3738         (SPLIT_DEFSYMS): Define.
3739         (split_i386_[1234n].o): New targets.
3740         (split_i386_[124]): New targets.
3741         (split_i386_[1234r].stdout): New targets.
3742         (split_x86_64_[1234n].o): New targets.
3743         (split_x86_64_[124]): New targets.
3744         (split_x86_64_[1234r].stdout): New targets.
3745         (MOSTLYCLEANFILES): Add new executables.
3746         * testsuite/split_i386.sh: New file.
3747         * testsuite/split_x86_64.sh: New file.
3748         * testsuite/split_i386_1.s: New file.
3749         * testsuite/split_i386_2.s: New file.
3750         * testsuite/split_i386_3.s: New file.
3751         * testsuite/split_i386_4.s: New file.
3752         * testsuite/split_i386_n.s: New file.
3753         * testsuite/split_x86_64_1.s: New file.
3754         * testsuite/split_x86_64_2.s: New file.
3755         * testsuite/split_x86_64_3.s: New file.
3756         * testsuite/split_x86_64_4.s: New file.
3757         * testsuite/split_x86_64_n.s: New file.
3758         * testsuite/testfile.cc (Target_test): Update relocation_section
3759         function.
3760         * testsuite/Makefile.in: Rebuild.
3761
3762 2009-10-06  Ian Lance Taylor  <iant@google.com>
3763
3764         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3765         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3766         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3767         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3768         the address on ldo_addrs_.
3769         (Target_i386::Relocate::fix_up_ldo): New function.
3770
3771 2009-10-06   Rafael Espindola  <espindola@google.com>
3772
3773         * plugin.cc (add_input_library): New.
3774         (Plugin::load): Add add_input_library to tv.
3775         (Plugin_manager::add_input_file): Add the is_lib argument.
3776         (add_input_file): Update call to Plugin_manager::add_input_file.
3777         (add_input_library): New.
3778         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3779
3780 2009-09-30  Doug Kwan  <dougkwan@google.com>
3781
3782         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3783         symbol and call Symbol::may_need_copy_reloc to determine if
3784         a copy reloc is needed.
3785         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3786         nocopyreloc is given in command line.
3787         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3788         given in command line.
3789         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3790         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3791         of the removed Target_i386::may_need_copy_reloc.
3792         * options.h (copyreloc): New option with default value false.
3793         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3794         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3795         instead of the removed Target_powerpc::may_need_copy_reloc.
3796         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3797         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3798         instead of the removed Target_sparc::may_need_copy_reloc.
3799         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3800         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3801         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3802         instead of the removed Target_x86_64::may_need_copy_reloc.
3803
3804 2009-09-30  Ian Lance Taylor  <iant@google.com>
3805
3806         * object.h (class Object): Remove target_ field, and target,
3807         sized_target, and set_target methods.
3808         (Object::sized_target): Remove.
3809         (class Sized_relobj): Update declarations.  Remove sized_target.
3810         * object.cc (Sized_relobj::setup): Remove target parameter.
3811         Change all callers.
3812         (Input_objects::add_object): Don't do anything with the target.
3813         (make_elf_sized_object): Add punconfigured parameter.  Change all
3814         callers.  Set or test parameter target.
3815         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3816         Change all callers.
3817         * parameters.cc (Parameters::set_target): Change parameter type to
3818         be non-const.
3819         (Parameters::default_target): Remove.
3820         (set_parameters_target): Change parameter type to be non-const.
3821         (parameters_force_valid_target): New function.
3822         (parameters_clear_target): New function.
3823         * parameters.h (class Parameters): Update declarations.  Remove
3824         default_target method.  Add sized_target and clear_target
3825         methods.  Change target_ to be non-const.
3826         (set_parameters_target): Update declaration.
3827         (parameters_force_valid_target): Declare.
3828         (parameters_clear_target): Declare.
3829         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3830         as NULL if we aren't searching.
3831         (Add_symbols::run): Don't check for compatible target.
3832         * fileread.cc (Input_file::open_binary): Call
3833         parameters_force_valid_target.
3834         * gold.cc (queue_middle_tasks): Likewise.
3835         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3836         set_target on object.
3837         * dynobj.h (class Sized_dynobj): Update declarations.
3838         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3839         make_elf_object returns NULL.
3840         (Archive::include_member): Don't check whether object target is
3841         compatible.
3842         * output.cc (Output_section::add_input_section): Get target from
3843         parameters.
3844         (Output_section::relax_input_section): Likewise.
3845         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3846         parameters.
3847         (Sized_relobj::do_scan_relocs): Likewise.
3848         (Sized_relobj::relocate_sections): Likewise.
3849         * resolve.cc (Symbol_table::resolve): Likewise.
3850         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3851         parameter.  Change all callers.
3852         (Symbol_table::add_from_object): Get target from parameters.
3853         (Symbol_table::add_from_relobj): Don't check object target.
3854         (Symbol_table::add_from_dynobj): Likewise.
3855         (Symbol_table::define_special_symbol): Get target from
3856         parameters.
3857         * symtab.h (class Symbol_table): Update declaration.
3858         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3859         parameter.  Change all callers.  Clear parameter target.
3860         (Binary_test): Test target here.
3861         * testsuite/object_unittest.cc (gold_testsuite): Remove
3862         target_test_pointer parameter.  Change all callers.
3863         (Object_test): Test target here.
3864
3865 2009-09-26  Ian Lance Taylor  <iant@google.com>
3866
3867         * testsuite/initpri1.c: Don't try to use constructor priorities if
3868         compiling with gcc before 4.3.
3869
3870 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3871
3872         * testsuite/retain_symbols_file_test.sh (check_present): Change
3873         output file name to retain_symbols_file_test.stdout.
3874         (check_absent): Likewise.
3875
3876 2009-09-18  Craig Silverstein  <csilvers@google.com>
3877
3878         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3879         * options.cc: Include <cerrno> and <fstream>.
3880         (General_options::finalize): Parse -retain-symbols-file tag.
3881         * options.h: New flag.
3882         (General_options): New method should_retain_symbol, new
3883         variable symbols_to_retain.
3884         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3885         should_retain_symbol map.
3886         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3887         * testsuite/Makefile.in: Regenerate.
3888         * testsuite/retain_symbols_file_test.sh: New file.
3889
3890 2009-09-18  Nick Clifton  <nickc@redhat.com>
3891
3892         * po/es.po: Updated Spanish translation.
3893
3894 2009-09-17  Doug Kwan  <dougkwan@google.com>
3895
3896         * debug.h (DEBUG_RELAXATION): New constant.
3897         (DEBUG_ALL): Add DEBUG_RELAXATION.
3898         (debug_string_to_enum): Add relaxation debug option.
3899         * layout.cc
3900         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3901         Layout::Relaxation_debug_check::read_sections,
3902         Layout::Relaxation_debug_check::read_sections): New method definitions.
3903         (Layout::Layout): Initialize data members
3904         record_output_section_data_from_scrips_,
3905         script_output_section_data_list_ and relaxation_debug_check_.
3906         (Layout::save_segments, Layout::restore_segments,
3907         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3908         Layout::relaxation_loop_body): New method definitions.
3909         (Layout::finalize): Support relaxation.  Move section layout code to
3910         Layout::relaxation_loop_body.
3911         (Layout::set_asection_address_from_script): Move code for orphan
3912         section placement out.
3913         (Layout::place_orphan_sections_in_script): New method definition.
3914         * layout.h (Output_segment_headers, Output_file_header):
3915         New forward class declarations.
3916         (Layout::~Layout): Define.
3917         (Layout::new_output_section_data_from_script): New method definition.
3918         (Layout::place_orphan_sections_in_script): New method declaration.
3919         (Layout::Segment_states): New type declaration.
3920         (Layout::save_segments, Layout::restore_segments,
3921         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3922         Layout::relaxation_loop_body): New method declarations.
3923         (Layout::Output_section_data_list): New type declaration.
3924         (Layout::Relaxation_debug_check): New class definition.
3925         (Layout::record_output_section_data_from_script_,
3926         Layout::script_output_section_data_list_, Layout::segment_states_,
3927         Layout::relaxation_debug_check_): New data members.
3928         * output.cc: (Output_section_headers::do_size): New method definition.
3929         (Output_section_headers::Output_section_headers): Move size
3930         computation to Output_section_headers::do_size.
3931         (Output_segment_headers::do_size): New method definition.
3932         (Output_file_header::Output_file_header): Move size computation to 
3933         Output_file_header::do_size and call it.
3934         (Output_file_header::do_size): New method definition.
3935         (Output_data_group::Output_data_group): Adjust call to
3936         Output_section_data.
3937         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3938         (Output_symtab_xindex::do_write): Add array bound check.
3939         (Output_section::Input_section::print_to_mapfile): Handle
3940         RELAXED_INPUT_SECTION_CODE.
3941         (Output_section::Output_section): Initialize data member checkpoint_.
3942         (Output_section::~Output_section): Delete checkpoint object pointed
3943         by checkpoint_.
3944         (Output_section::add_input_section): Always add an Input_section if
3945         relaxing.
3946         (Output_section::add_merge_input_section): Add assert.
3947         (Output_section::relax_input_section): New method definition.
3948         (Output_section::set_final_data_size): Set load address to zero for
3949         an unallocated section.
3950         (Output_section::do_address_and_file_offset_have_reset_values):
3951         New method definition.
3952         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3953         Handle relaxed input section.
3954         (Output_section::sort_attached_input_sections): Checkpoint input
3955         section list lazily.
3956         (Output_section::get_input_sections): Change type of input_sections to
3957         list of Simple_input_section pointers.  Checkpoint input section list
3958         lazily.  Also handle relaxed input sections.
3959         (Output_section::add_input_section_for_script): Take a reference to
3960         a Simple_input_section object instead of Relobj pointer and section
3961         index as parameter.  Handle relaxed input sections.
3962         (Output_section::save_states, Output_section::restore_states): New
3963         method definitions.
3964         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3965         (Output_data::is_data_size_fixed): New method definition.
3966         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3967         if it is fixed.
3968         (Output_data::address_and_file_offset_have_reset_values): New method
3969         definition.
3970         (Output_data::do_address_and_file_offset_have_reset_values): New method
3971         definition.
3972         (Output_data::set_data_size): Check that data size is not fixed.
3973         (Output_data::fix_data_size): New method definition.
3974         (Output_data::is_data_size_fixed_): New data member.
3975         (Output_section_headers::set_final_data_size): New method definition.
3976         (Output_section_headers::do_size): New method declaration.
3977         (Output_segment_headers::set_final_data_size): New method definition.
3978         (Output_segment_headers::do_size): New method declaration.
3979         (Output_file_header::set_final_data_size)::New method definition.
3980         (Output_file_header::do_size)::New method declaration.
3981         (Output_section_data::Output_section_data): Add new parameter
3982         is_data_size_fixed and use it to fix data size.
3983         (Output_data_const::Output_data_const): Adjust call to base class
3984         constructor and fix data size.
3985         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3986         base class constructor and fix data size.
3987         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3988         base class constructor and fix data size.
3989         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3990         class constructor and fix data size.
3991         (Output_data_group::set_final_data_size): New method definition.
3992         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3993         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3994         class constructor and fix data size.
3995         (Output_relaxed_input_section): New class definition.
3996         (Output_section::Simple_input_section): New class definition.
3997         (Output_section::get_input_sections): Adjust parameter list.
3998         (Output_section::add_input_section_for_script): Same.
3999         (Output_section::save_states, Output_section::restore_states,
4000         Output_section::do_address_and_file_offset_have_reset_values,
4001         (Output_section::Input_section::Input_section): Handle
4002         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4003         Output_relaxed_input_section.
4004         (Output_section::Input_section::is_input_section,
4005         Output_section::Input_section::set_output_section): Handle relaxed
4006         input section.
4007         (Output_section::Input_section::is_relaxed_input_section,
4008         Output_section::Input_section::output_section_data,
4009         Output_section::Input_section::relaxed_input_section): New method
4010         definitions.
4011         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4012         value.
4013         (Output_section::Input_section::u1_): Update comments.
4014         (Output_section::Input_section::u2_): Add new union member poris.
4015         (Output_section::Checkpoint_output_section): New classs definition.
4016         (Output_section::relax_input_section): New method declaration.
4017         (Output_section::checkpoint_): New data member.
4018         (Output_segment): Update comments.
4019         (Output_segment::Output_segment): Un-privatize copy constructor.
4020         (Output_segment::operator=): Un-privatize.
4021         * script-sections.cc (Output_section_element::Input_section_list):
4022         Change element type to Output_section::Simple_input_section.
4023         (Output_section_element_dot_assignment::set_section_addresses):
4024         Register output section data for relaxation clean up.
4025         (Output_data_exression::Output_data_expression): Adjust call to base
4026         constructor to fix data size.
4027         (Output_section_element_data::set_section_addresses): Register
4028         Output_data_expression object for relaxation clean up.
4029         (struct Input_section_info): Replace Relobj pointer and section index
4030         pair with Output_section::Simple_input_section and Convert struct to a
4031         class.
4032         (Input_section_sorter::operator()): Adjust access to
4033         Input_section_info data member to use accessors. 
4034         (Output_section_element_input::set_section_addresses): Use layout
4035         parameter.  Adjust code to use Output_section::Simple_input_section
4036         and Input_secction_info classes.  Register filler for relaxation
4037         clean up.
4038         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4039         and section index pair with Output_section::Simple_input_section
4040         class.  Adjust code accordingly.
4041         (Phdrs_element::release_segment): New method definition.
4042         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4043         segment list.
4044         (Script_sections::release_segments): New method definition.
4045         * gold/script-sections.h (Script_sections::release_segments): New
4046         method declaration.
4047         * gold/target.h (Target::may_relax, Target::relax,
4048         Target::do_may_relax, Target::do_relax): New method definitions.
4049
4050 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4051
4052         * arm.cc (has_signed_unsigned_overflow): New function.
4053         (Arm_relocate_functions::abs8): New function.
4054         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4055         (Target_arm::Scan::global): Likewise.
4056         (Target_arm::relocate::relocate): Likewise.
4057         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4058         Likewise.
4059
4060 2009-09-16  Cary Coutant  <ccoutant@google.com>
4061
4062         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4063         * testsuite/Makefile.in: Regenerate.
4064
4065 2009-09-11  Nick Clifton  <nickc@redhat.com>
4066
4067         * po/gold.pot: Updated by the Translation project.
4068
4069 2009-09-08  Cary Coutant  <ccoutant@google.com>
4070
4071         * output.cc (Output_file::open): Add execute permission to empty file.
4072         * testsuite/Makefile.am (permission_test): New test.
4073         * testsuite/Makefile.in: Regenerate.
4074
4075 2009-09-02  Ian Lance Taylor  <iant@google.com>
4076
4077         * output.cc (Output_file::resize): Call map_no_anonymous rather
4078         than map.
4079
4080 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4081
4082         * gold.cc: Include "incremental.h".
4083         (queue_initial_tasks): Call Incremental_checker methods.
4084         * incremental.cc: Include "output.h".
4085         (Incremental_checker::can_incrementally_link_output_file): New
4086         method.
4087         * incremental.h (Incremental_checker): New class.
4088
4089         * output.cc (Output_file::open_for_modification): New method.
4090         (Output_file::map_anonymous): Changed return type to bool.  Record
4091         map in base_ field.
4092         (Output_file::map_no_anonymous): New method, broken out of map.
4093         (Output_file::map): Use map_no_anonymous and map_anonymous.
4094         * output.h (class Output_file): Update declarations.
4095
4096 2009-08-24  Cary Coutant  <ccoutant@google.com>
4097
4098         * options.h (Command_line::Pre_options): New class.
4099         (Command_line::pre_options): New member.
4100         * options.cc (gold::options::ready_to_register): New variable.
4101         (One_option::register_option): Do nothing if not registering options.
4102         Assert if same short option registered twice.
4103         (General_options::General_options): Turn off option registration when
4104         done constructing.
4105         (Command_line::Pre_options::Pre_options): New constructor.
4106
4107 2009-08-24  Cary Coutant  <ccoutant@google.com>
4108
4109         * options.h (General_options::no_keep_memory): Remove incorrect
4110         short option.
4111
4112 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4113
4114         * Makefile.am (am__skiplex, am__skipyacc): New.
4115         * Makefile.in: Regenerate.
4116
4117 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4118
4119         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4120         (INCLUDES): ... this.
4121         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4122         (AM_CPPFLAGS): Renamed from ...
4123         (INCLUDE): ... this.
4124         * Makefile.in, testsuite/Makefile.in: Regenerate.
4125
4126         * Makefile.in: Regenerate.
4127         * aclocal.m4: Likewise.
4128         * config.in: Likewise.
4129         * configure: Likewise.
4130         * testsuite/Makefile.in: Likewise.
4131
4132         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4133         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4134         * Makefile.in: Regenerate.
4135         * testsuite/Makefile.in: Regenerate.
4136
4137 2009-08-19  Cary Coutant  <ccoutant@google.com>
4138
4139         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4140         symbols in shared libraries overridden by hidden or internal symbols
4141         in the main program.
4142
4143 2009-08-19  Chris Demetriou  <cgd@google.com>
4144
4145         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4146         checking source file names in error messages.
4147
4148 2009-08-18  Doug Kwan  <dougkwan@google.com>
4149
4150         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4151         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4152         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4153         an elfcpp::Ehdr as parameter.
4154         * object.cc (Object::set_target): Remove the version that looks up
4155         a target and sets it.
4156         (Sized_relobj::setup): Take a Target object instead of
4157         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4158         (make_elf_sized_object): Find target and ask target to
4159         make an ELF object.
4160         * object.h: (Object::set_target): Remove the version that looks up
4161         a target and sets it.
4162         (Sized_relobj::setup): Take a Target object instead of
4163         an elfcpp:Ehdr as parameter.
4164         * target.cc: Include dynobj.h.
4165         (Target::do_make_elf_object_implementation): New.
4166         (Target::do_make_elf_object): New.
4167         * target.h (Target::make_elf_object): New template declaration.
4168         (Target::do_make_elf_object): New method declarations.
4169         (Target::do_make_elf_object_implementation): New template declaration.
4170
4171 2009-08-14  Ian Lance Taylor  <iant@google.com>
4172
4173         * gold.h (FUNCTION_NAME): Define.
4174         (gold_unreachable): Use FUNCTION_NAME.
4175
4176 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4177
4178         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4179         symbol in the --keep-unique list is not found.
4180
4181 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4182
4183         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4184         been maked as --keep-unique.
4185         (Icf::unfold_section): New function.
4186         * icf.h (Icf::unfold_section): New function.
4187         * options.h (General_options::keep_unique): New option.
4188         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4189         * testsuite/Makefile.in: Regenerate.
4190         * testsuite/icf_keep_unique_test.sh: New file.
4191         * testsuite/icf_keep_unique_test.cc: New file.
4192
4193 2009-08-12  Cary Coutant  <ccoutant@google.com>
4194
4195         PR 10471
4196         * resolve.cc (Symbol_table::resolve): Check for references from
4197         dynamic objects to hidden and internal symbols.
4198         * testsuite/Makefile.am (hidden_test.sh): New test.
4199         * testsuite/Makefile.in: Regenerate.
4200         * testsuite/hidden_test.sh: New script.
4201         * testsuite/hidden_test_1.c: New test source.
4202         * testsuite/hidden_test_main.c: New test source.
4203
4204 2009-08-11  Doug Kwan  <dougkwan@google.com>
4205
4206         * arm.cc: Update comments.
4207         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4208         segment to locate the .ARM.exidx section if present.
4209
4210 2009-08-09  Doug Kwan  <dougkwan@google.com>
4211
4212         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4213         patch.
4214
4215 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4216         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4217         compiler warnings.
4218
4219 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4220
4221         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4222         valid tls_segment only for non-debug-section relocations.
4223         * testsuite/Makefile.am: Add gc_tls_test.
4224         * testsuite/Makefile.in: Regenerate.
4225         * testsuite/gc_tls_test.cc: New file.
4226         * testsuite/gc_tls_test.sh: New file.
4227
4228 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4229         
4230         * icf.cc: New file.
4231         * icf.h: New file.
4232         * Makefile.am (CCFILES): Add icf.cc.
4233         (HFILES): Add icf.h
4234         * Makefile.in: Regenerate.
4235         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4236         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4237         section, symbol and addend information for the relocs.
4238         * gold.cc (queue_middle_tasks): Call identical code folding.
4239         * gold.h: Add defines for multimap.
4240         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4241         to the call of finalize_local_symbols.
4242         * main.cc (main): Create object of class Icf.
4243         * object.cc (Sized_relobj::do_layout): Allow this function to be
4244         called twice during icf.
4245         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4246         to sections marked as identical by icf.
4247         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4248         when available.
4249         (Sized_relobj::do_section_entsize): New function.
4250         * object.h (Object::section_entsize): New function.
4251         (Object::do_section_entsize): New pure virtual function.
4252         (Relobj::finalize_local_symbols): Add new parameter.
4253         (Relobj::do_section_entsize): New function.
4254         * options.h (General_options::icf): New option.
4255         (General_options::icf_iterations): New option.
4256         (General_options::print_icf_sections): New option.
4257         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4258         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4259         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4260         icf.
4261         * symtab.cc (Symbol_table::is_section_folded): New function.
4262         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4263         to sections marked as identical by icf.
4264         * symtab.h (Symbol_table::set_icf): New function.
4265         (Symbol_table::icf): New function.
4266         (Symbol_table::is_section_folded): New function.
4267         (Symbol_table::icf_): New data member.
4268         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4269         * testsuite/Makefile.am: Add commands to build icf_test.
4270         * testsuite/Makefile.in: Regenerate.
4271         * testsuite/icf_test.sh: New file.
4272         * testsuite/icf_test.cc: New file.
4273
4274 2009-07-24  Chris Demetriou  <cgd@google.com>
4275
4276         * layout.cc (is_compressible_debug_section): Fix incorrect
4277         comment about compressed section names.
4278
4279 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4280
4281         PR 10419
4282         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4283
4284 2009-07-16  Ian Lance Taylor  <iant@google.com>
4285
4286         PR 10400
4287         * layout.h: #include <map>.
4288         (class Kept_section): Change from struct to class.  Add accessors
4289         and setters.  Add section size to Comdat_group mapping.  Change
4290         Comdat_group to std::map.  Add is_comdat_ field.  Add
4291         linkonce_size field in union.
4292         (class Layout): Update declaration of find_or_add_kept_section.
4293         Don't declare find_kept_object.
4294         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4295         parameter.  Add object, shndx, is_comdat, and is_group_name
4296         parameters.  Change all callers.  Adjust for new Kept_section.
4297         (Layout::find_kept_object): Remove.
4298         * object.cc (Sized_relobj::include_section_group): Update use of
4299         Kept_section.  Rename secnum to shndx.  Only record
4300         Kept_comdat_section if sections are the same size.
4301         (Sized_relobj::include_linkonce_section): Update use of
4302         Kept_section.  Only record Kept_comdat_section if sections are the
4303         same size.  Set size of linkonce section.
4304         (Sized_relobj::map_to_kept_section): Update call to
4305         get_kept_comdat_section.
4306         * object.h (class Sized_relobj): Rename fields in
4307         Kept_comdat_section to drop trailing underscores; change object
4308         field to Relobj*.  Change Kept_comdat_section_table to store
4309         struct rather than pointer.
4310         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4311         Add kept_object and kept_shndx parameters.  Change all callers.
4312         (Sized_relobj::get_kept_comdat_section): Change return type to
4313         bool.  Add kept_object and kept_shndx parameters.  Change all
4314         callers.
4315         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4316         Layout::find_or_add_kept_section.
4317
4318 2009-07-09  Ian Lance Taylor  <iant@google.com>
4319
4320         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4321         Reserve space in the hash table.
4322
4323 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4324
4325         * fileread.cc (File_read::get_mtime): New method.
4326         * fileread.h (Timespec): New structure.
4327         (File_read::get_mtime): New method.
4328         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4329         Renamed from timestamp_nsec.
4330         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4331         Elf_Xword.
4332         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4333         timestamp_nsec.
4334         (Incremental_inputs::report_archive): Save mtime; style fix. 
4335         (Incremental_inputs::report_obejct): Save mtime; style fix.
4336         (Incremental_inputs::report_script): Save mtime; style fix.
4337         (Incremental_inputs::finalize_inputs): Style fix.
4338         (Incremental_inputs::finalize): Style fix.
4339         (Incremental_inputs::create_input_section_data): Store inputs
4340         mtime.
4341         * incremental.h (Incremental_inputs::report_script): Add mtime
4342         argument.
4343         (Incremental_inputs::Input_info::Input_info): Intialize only one
4344         union member.
4345         (Incremental_inputs::Input_info::archive): Move to nameless
4346         union.
4347         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4348         (Incremental_inputs::Input_info::script): Move to nameless union.
4349         (Incremental_inputs::mtime): New field.
4350         * script.cc (read_input_script): Pass file mtime to
4351         Incremental_input.
4352         * script.h (Script_info::inputs): Style fix.
4353
4354 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4355
4356         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4357         instead of 32.
4358
4359 2009-06-24  Ian Lance Taylor  <iant@google.com>
4360
4361         PR 10156
4362         * layout.cc (Layout::choose_output_section): If we find an
4363         existing section, update the flags.
4364         (Layout::create_notes): New function, broken out of
4365         Layout::finalize.
4366         (Layout::finalize): Don't create note sections.
4367         (Layout::create_note): Don't crash if linker script discards
4368         section.
4369         (Layout::create_gold_note): Likewise.
4370         (Layout::create_build_id): Likewise.  Don't set
4371         after_input_sections on the section.
4372         (Layout::create_executable_stack_info): Remove target parameter.
4373         Change caller.
4374         * layout.h (class Layout): Declare create_notes.  Update
4375         declaration of create_executable_stack_info.
4376         * gold.cc (queue_middle_tasks): Call create_notes.
4377         * output.cc (Output_section::update_flags_for_input_section): Move
4378         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4379         invalid.
4380         * output.h (Output_data::mark_address_invalid): New function.
4381         (class Output_section): Only declare, not define,
4382         update_flags_for_input_section.  Remove set_flags.
4383
4384 2009-06-24  Ian Lance Taylor  <iant@google.com>
4385
4386         * script-sections.cc (Output_section_definition::
4387         set_section_addresses): Rename shadowing local load_address to
4388         laddr.
4389
4390 2009-06-24  Ian Lance Taylor  <iant@google.com>
4391
4392         PR 10244
4393         * reloc.cc (relocate_sections): Skip empty relocation sections.
4394
4395 2009-06-23  Ian Lance Taylor  <iant@google.com>
4396
4397         PR 10156
4398         * layout.cc (Layout::create_note): Use choose_output_section
4399         rather than make_output_section.
4400
4401 2009-06-23  Ian Lance Taylor  <iant@google.com>
4402
4403         PR 10237
4404         * options.cc (General_options::parse_V): Set printed_version_.
4405         (General_options::General_options): Initialize printed_version_.
4406         * options.h (class General_options): Add printed_version_ field.
4407         * gold.cc (queue_initial_tasks): If there are no input files,
4408         don't give a fatal error if we printed the version information.
4409         (queue_middle_tasks): If using -r with a shared object, give a
4410         fatal error rather than an ordinary error.
4411
4412 2009-06-23  Ian Lance Taylor  <iant@google.com>
4413
4414         PR 10219
4415         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4416         (Layout::make_output_section): Set have_stabstr_section_ if we see
4417         a .stab*str section.
4418         (Layout::finalize): Call link_stabs_sections.
4419         (Layout::link_stabs_sections): New file.
4420         * layout.h (class Layout): Add have_stabstr_section_ field.
4421         Declare link_stabs_sections.
4422
4423 2009-06-23  Doug Kwan  <dougkwan@google.com>
4424
4425         * Makefile.am (libgold_a_LIBADD): New.
4426         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4427         * Makefile.in: Regenerate.
4428         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4429         * configure: Regenerate.
4430         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4431         * fileread.cc: Include sys/state.h
4432         * gold.h: Declare memmem and strndup if found missing.
4433         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4434
4435 2009-06-23  Ian Lance Taylor  <iant@google.com>
4436
4437         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4438         * configure: Rebuild.
4439
4440 2009-06-23  Ian Lance Taylor  <iant@google.com>
4441
4442         PR 10147
4443         * object.cc (Object::section_contents): Don't try to get a view if
4444         the section has length zero.
4445         (Object::handle_gnu_warning_section): If the section is empty, use
4446         the name of the section as the warning.
4447
4448 2009-06-23  Ian Lance Taylor  <iant@google.com>
4449
4450         PR 10133
4451         * stringpool.h (class Stringpool_template): Add optimize_ field.
4452         (Stringpool_template::set_optimize): New function.
4453         * stringpool.cc (Stringpool_template::Stringpool_template):
4454         Initialize optimize_ field.
4455         (Stringpool_template::set_string_offsets): Test local optimize
4456         fild rather than parameter.
4457         * layout.cc (Layout::Layout): Call set_optimize on the section
4458         name stringpool.
4459
4460 2009-06-22  Ian Lance Taylor  <iant@google.com>
4461
4462         PR 10030
4463         * yyscript.y: Parse TARGET.
4464         * script.cc (script_set_target): New function.
4465         * script-c.h (script_set_target): Declare.
4466         * options.cc (General_options::string_to_object_format): Rename
4467         from string_to_object_format in anonymous namespace.  Change
4468         callers.
4469         * options.h (class General_options): Declare
4470         string_to_object_format.
4471
4472 2009-06-22  Ian Lance Taylor  <iant@google.com>
4473
4474         * script-sections.cc (Script_sections::create_segments): Don't put
4475         program headers in a PT_LOAD segment if -n or -N.
4476
4477 2009-06-22  Ian Lance Taylor  <iant@google.com>
4478
4479         PR 10141
4480         * options.h (class General_options): Add -z lazy and -z now.  Sort
4481         -z options into alphabetical order.
4482         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4483
4484 2009-06-21  Ian Lance Taylor  <iant@google.com>
4485
4486         * layout.cc (Layout::make_output_section): Call
4487         Target::new_output_section.
4488         (Layout::attach_allocated_section_to_segment): Put large section
4489         sections in a separate load segment with the large segment flag
4490         set.
4491         (Layout::segment_precedes): Sort large data segments after other
4492         load segments.
4493         (align_file_offset): New static function.
4494         (Layout::set_segment_offsets): Use align_file_offset.
4495         * output.h (class Output_section): Add is_small_section_ and
4496         is_large_section_ fields.
4497         (Output_section::is_small_section): New function.
4498         (Output_section::set_is_small_section):  New function.
4499         (Output_section::is_large_section): New function.
4500         (Output_section::set_is_large_section): New function.
4501         (Output_section::is_large_data_section): New function.
4502         (class Output_segment): Add is_large_data_segment_ field.
4503         (Output_segment::is_large_data_segment): New function.
4504         (Output_segment::set_is_large_data_segment): New function.
4505         * output.cc (Output_section::Output_section): Initialize new
4506         fields.
4507         (Output_segment::Output_segment): Likewise.
4508         (Output_segment::add_output_section): Add assertion that large
4509         data sections always go in large data segments.  Force small data
4510         sections to the end of the list of data sections.  Force small BSS
4511         sections to the start of the list of BSS sections.  For large BSS
4512         sections to the end of the list of BSS sections.
4513         * symtab.h (class Symbol): Declare is_common_shndx.
4514         (Symbol::is_defined): Check Symbol::is_common_shndx.
4515         (Symbol::is_common): Likewise.
4516         (class Symbol_table): Define enum Commons_section_type.  Update
4517         declarations.  Add small_commons_ and large_commons_ fields.
4518         * symtab.cc (Symbol::is_common_shndx): New function.
4519         (Symbol_table::Symbol_table): Initialize new fields.
4520         (Symbol_table::add_from_object): Put small and large common
4521         symbols in the right list.
4522         (Symbol_table::sized_finalized_symbol): Check
4523         Symbol::is_common_shndx.
4524         (Symbol_table::sized_write_globals): Likewise.
4525         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4526         common symbol lists.  Don't call do_allocate_commons_list if the
4527         list is empty.
4528         (Symbol_table::do_allocate_commons_list): Remove is_tls
4529         parameter.  Add comons_section_type parameter.  Change all
4530         callers.  Handle small and large common symbols.
4531         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4532         Symbol::is_common_shndx.
4533         * resolve.cc (symbol_to_bits): Likewise.
4534         * target.h (Target::small_common_shndx): New function.
4535         (Target::small_common_section_flags): New function.
4536         (Target::large_common_shndx): New function.
4537         (Target::large_common_section_flags): New function.
4538         (Target::new_output_section): New function.
4539         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4540         small_common_section_flags, and large_common_section_flags
4541         fields.
4542         (Target::do_new_output_section): New virtual function.
4543         * arm.cc (Target_arm::arm_info): Initialize new fields.
4544         * i386.cc (Target_i386::i386_info): Likewise.
4545         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4546         Likewise.
4547         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4548         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4549         (Target_x86_64::do_new_output_section): New function.
4550         * configure.ac: Define conditional MCMODEL_MEDIUM.
4551         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4552         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4553         (large_LDFLAGS): Define.
4554         * testsuite/large.c: New file.
4555         * testsuite/testfile.cc (Target_test::test_target_info):
4556         Initialize new fields.
4557         * configure, testsuite/Makefile.in: Rebuild.
4558
4559 2009-06-05  Doug Kwan  <dougkwan@google.com>
4560
4561         * Makefile.am (CCFILES): Add target.cc.
4562         * Makefile.in: Regenerate. 
4563         * i386.cc (class Target_i386): Define new virtual method to
4564         override do_is_local_label_name in parent.
4565         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4566         local symbols if --discard-locals or -X is given.
4567         * options.h (class General_options): Declare new options
4568         '--discard-locals' and '-X' for discarding locals.
4569         * target.h (class Target): Define new methods is_local_label_name.
4570         Declare new virtual method do_is_local_label_name.
4571         * target.cc: New file.
4572         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4573         (check_SCRIPTS): Add discard_locals_test.sh.
4574         (check_DATA): Add discard_local_tests.syms.
4575         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4576         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4577         * testsuite/Makefile.in: Regenerate.
4578         * testsuite/discard_locals_test.c: New file.
4579         * testsuite/discard_locals_test.sh: Same.
4580
4581 2009-06-05  Doug Kwan  <dougkwan@google.com>
4582
4583         * object.cc (Sized_relobj::Sized_relobj): Initialize
4584         discarded_eh_frame_shndx_ to -1U.
4585         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4586         section.
4587         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4588         a discarded .eh_frame section.
4589         (Sized_relobj::do_finalize_local_symbols): Ditto.
4590         * object.h (class Sized_relobj): Declare new member
4591         discarded_eh_frame_shndx_.
4592         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4593         (local_labels_test.o, local_labels_test): New rules.
4594         * testsuite/Makefile.in: Regenerate.
4595
4596 2009-06-04  Doug Kwan  <dougkwan@google.com>
4597
4598         * layout.cc (Layout::section_name_mapping): Add mapping for
4599         special ARM sections.
4600
4601 2009-06-03  Doug Kwan  <dougkwan@google.com>
4602
4603         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4604         (utils::has_overflow): Same.
4605
4606 2009-06-03  Ian Lance Taylor  <iant@google.com>
4607
4608         * layout.cc (Layout::section_name_mapping): New array, replacing
4609         Layout::linkonce_mapping.
4610         (Layout::section_name_mapping_count): New variable, replacing
4611         Layout::linkonce_mapping_count.
4612         (Layout::linkonce_output_name): Remove.
4613         (Layout::output_section_name): Rewrite.
4614         * layout.h (class Layout): Rename Linkonce_mapping to
4615         Section_name_mapping, linkonce_mapping to section_name_mapping,
4616         linkonce_mapping_count to section_name_mapping_count.  Don't
4617         declare linkonce_output_name.
4618
4619 2009-06-03  Doug Kwan  <dougkwan@google.com>
4620
4621         * gold/arm.cc (namespace utils): New.
4622         (Target_arm::reloc_is_non_pic): Define new method.
4623         (class Arm_relocate_functions): New.
4624         (Target_arm::Relocate::relocate): Handle relocation types used by
4625         Android.
4626
4627 2009-06-03  Ian Lance Taylor  <iant@google.com>
4628
4629         * arm.cc (Target_arm::scan::global): Use || instead of |.
4630
4631 2009-06-02  Doug Kwan  <dougkwan@google.com>
4632
4633         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4634         issued_non_pic_error_.
4635         (class Target_arm::Scan): Declare new method check_non_pic.
4636         Define new method symbol_needs_plt_entry.
4637         Declare new data member issued_non_pic_error_.
4638         (class Target_arm::Relocate): Declare new method
4639         should_apply_static_reloc.
4640         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4641         (Target_arm::Scan::check_non_pic): Define new method.
4642         (Target_arm::Scan::local): Handle a small subset of reloc types used
4643         by Android.
4644         (Target_arm::Scan::local): Same.
4645         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4646
4647 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4648
4649         * incremental.cc (Incremental_inputs::report_command_line): Filter
4650         out --incremental-* options.
4651
4652 2009-05-29  Doug Kwan  <dougkwan@google.com>
4653
4654         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4655         template class.
4656         (class Target_arm): Update comment.
4657         (Target_arm::Target_arm): Initialize new data members GOT_,
4658         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4659         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4660         and Target_arm::rel_dyn_section.
4661         Declare new_enum Target_arm::Got_type.
4662         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4663         and DYNBSS_.
4664         Update commments for member do_dynsym_value.
4665         (Target_arm::got_size, Target_arm::plt_section,
4666         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4667         new methods inside class defintion.
4668         (Target_arm::got_section): Define new method.
4669         (Target_arm::rel_dyn_section): Same.
4670         (Output_data_plt_arm): New template class.
4671         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4672         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4673         (Output_data_plt_arm::add_entry): Same.
4674         (Output_data_plt_arm::first_plt_entry): Define new
4675         static data member for PLT instruction template.
4676         (Output_data_plt_arm::plt_entry): Same.
4677         (Output_data_plt_arm::do_write): Define new method.
4678         (Target_arm::make_plt_entry): Same.
4679         (Target_arm::do_finalize_sections): Same.
4680         (Target_arm::do_dynsym_value): Same.
4681
4682 2009-05-28  Doug Kwan  <dougkwan@google.com>
4683
4684         * Makefile.am (TARGETSOURCES): Add arm.cc.
4685         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4686         * Makefile.in: Regenerate.
4687         * arm.cc: New file.
4688         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4689
4690 2009-05-26  Doug Kwan  <dougkwan@google.com>
4691
4692         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4693         (General_options::check_excluded_libs): Strip off directories in
4694         archive name before matching like GNU ld does.
4695         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4696         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4697         (exclude_libs_test_LDFLAGS): Add linker option
4698         -Wl,--exclude-libs,libexclude_libs_test_3
4699         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4700         an explicit archive without using -l.
4701         (alt/libexclude_libs_test_3.a): New make rule.
4702         * testsuite/Makefile.in: Regenerate.
4703         * testsuite/exclude_libs_test.c : Declare lib3_default().
4704         (main): Call it.
4705         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4706         * exclude_libs_test_3.c: New file.
4707
4708 2009-05-26  Nick Clifton  <nickc@redhat.com>
4709
4710         * po/id.po: New Indonesian translation.
4711         * po/gold.pot: Updated template file.
4712
4713 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4714
4715         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4716         gc_comdat_test files.  Add -Wl,--gc-sections to build
4717         gc_comdat_test.
4718         * testsuite/Makefile.in: Regenerate.
4719         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4720
4721 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4722
4723         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4724         kept comdat section was garbage collected.
4725         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4726         * testsuite/Makefile.in: Regenerate.
4727         * testsuite/gc_comdat_test.sh: New file.
4728         * testsuite/gc_comdat_test_1.cc: New file.
4729         * testsuite/gc_comdat_test_2.cc: New file.
4730
4731 2009-05-19  Doug Kwan  <dougkwan@google.com>
4732
4733         * archive.cc (Archive::Archive): Move constructor from archive.h
4734         to here.  Initialize no_export_.
4735         (Archive::get_elf_object_for_member): Set no_export flag of object.
4736         * archive.h (Archive::Archive): Move constructor body to
4737         archive.cc.
4738         (Archive::no_export): New method.
4739         (Archive::no_export_): New field.
4740         * object.h (Object::Object): Initialize no_export_ to false.
4741         (Object::no_export, Object::set_no_export): New methods.
4742         (Object::no_export_): New field.
4743         * options.cc (General_options::parse_exclude_libs): New method.
4744         (General_options::check_excluded_libs) Same.
4745         * options.h (exclude_libs): New option.
4746         (General_options::check_excluded_libs): New method declaration.
4747         (General_options::excluded_libs_): New field.
4748         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4749         default or protected visibility if an object has no-export flag set.
4750         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4751         (check_SCRIPTS): Add exclude_libs_test.sh.
4752         (check_DATA): Add exclude_libs_test.syms.
4753         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4754         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4755         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4756         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4757         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4758         libexclude_libs_test_2.a): New rules.
4759         * testsuite/Makefile.in: Regenerate.
4760         * testsuite/exclude_libs_test.c: New file.
4761         * testsuite/exclude_libs_test.sh: Ditto.
4762         * testsuite/exclude_libs_test_1.c: Ditto.
4763         * testsuite/exclude_libs_test_2.c: Ditto.
4764
4765 2009-05-15  Ian Lance Taylor  <iant@google.com>
4766
4767         * configure.ac: Check for declarations for cases where libiberty.h
4768         checks HAVE_DECL_xxx.
4769         * configure, config.in: Rebuild.
4770
4771 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4772
4773         * gold.h (Incremental_argument_list): Remove (invalid) forward
4774         declaration.
4775         * incremental.cc (Incremental_inputs::report_achive): New method.
4776         (Incremental_inputs::report_object): New method.
4777         (Incremental_inputs::report_script): New method.
4778         (Incremental_inputs::finalize_inputs): New method.
4779         (Incremental_inputs::finalize): Call finalize_inputs().
4780         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4781         Create inputs entries.
4782         * incremental.h (Incremental_input_type): New enum.
4783         (Incremental_inputs::Incremental_input): Initialize new fields.
4784         (Incremental_inputs::report_inputs): New method.
4785         (Incremental_inputs::report_achive): New method.
4786         (Incremental_inputs::report_object): New method.
4787         (Incremental_inputs::report_script): New method.
4788         (Incremental_inputs::finalize_inputs): New method.
4789         (Incremental_inputs::Input_info): New struct.
4790         (Incremental_inputs::Input_info_map): New typedef.
4791         (Incremental_inputs::lock_): New field.
4792         (Incremental_inputs::Inputs_): New field.
4793         (Incremental_inputs::Inputs_map): New field.
4794         * main.cc (main): Call Incremental_input::report_inputs.
4795         * options.h (Input_argument_list): Typedef moved from
4796         Input_arguments.
4797         (Input_file_group::Files): Remove, use ::Input_argument_list.
4798         (Input_file_group::Input_argument_list): Remove, use
4799         ::Input_argument_list.
4800         * plugin.cc (Plugin_manager::add_input_file): Add error in
4801         incremental build.
4802         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4803         functions.
4804         * script.cc (read_input_script): Call
4805         Incremental_input::report_script.
4806         * script.h (Script_info): New class.
4807
4808 2009-04-27  Ian Lance Taylor  <iant@google.com>
4809
4810         * x86_64.cc (do_adjust_output_section): Set entsize to
4811         plt_entry_size.
4812
4813 2009-04-23  Elliott Hughes  <enh@google.com>
4814
4815         * output.cc (Output_file::close): After short writes, continue
4816         writing from the correct offset in the buffer being written.
4817
4818 2009-04-23  Chris Demetriou  <cgd@google.com>
4819
4820         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4821         * configure: Regenerate.
4822         * config.in: Regenerate.
4823         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4824         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4825
4826 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4827
4828         * incremental.cc (Incremental_inputs_header_data): Renamed from
4829         Incremental_input_header_data.
4830         (Incremental_inputs_header_data::data_size): New field.
4831         (Incremental_inputs_header_data::put_input_file_count): Renamed
4832         from input_file_count.
4833         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4834         from command_line_offset.
4835         (Incremental_inputs_header_data::put_reserved): Renamed from
4836         put_reserved.
4837         (Incremental_inputs_entry_data): Renamed from
4838         Incremental_input_entry_data.
4839         (Incremental_inputs_entry_data::data_size): New field.
4840         (Incremental_inputs::report_command_line): New method.
4841         (Incremental_inputs::finalize): New method.
4842         (Incremental_inputs::create_incremental_inputs_data): New method.
4843         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4844         * incremental.h: New file.
4845         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4846        (Layout::finalize): Create incremental inputs section in
4847         incremental builds.
4848        (Layout::create_incremental_info_sections): New method.
4849         * layout.h (Layout::incremental_inputs): New method.
4850        (Layout::create_incremental_info_sections): New method.
4851        (Layout::incremental_inputs_): New field.
4852         * main.cc (main): Notify Incremental_input of the command line.
4853
4854 2009-04-01  Ian Lance Taylor  <iant@google.com>
4855             Mikolaj Zalewski  <mikolajz@google.com>
4856
4857         * gold.h (reserve_unordered_map): Define, three versions, one for
4858         each version of Unordered_map.
4859         * layout.cc (Layout::Layout): Remove options parameter.  Add
4860         number_of_input_files parameter.  Don't initialize options_.
4861         Initialize number_of_input_files_ and resized_signatures_.  Move
4862         sections_are_attached_.
4863         (Layout::layout_group): Reserve space for group_signatures_.
4864         (Layout::find_or_add_kept_section): Change name parameter to be a
4865         reference.  Resize signatures_ map when it gets large enough.
4866         (Layout::layout_eh_frame): Use parameters->options() instead of
4867         this->options_.
4868         (Layout::make_output_section): Likewise.
4869         (Layout::attach_allocated_section_to_segment): Likewise.
4870         (Layout::finalize, Layout::create_executable_stack): Likewise.
4871         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4872         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4873         * layout.h (class Layout): Update declarations.  Remove options_
4874         field.  Add number_of_input_files_ and resized_signatures_
4875         fields.  Move sections_are_attached_ field.
4876         * main.cc (main): Pass number of input files to Layout
4877         constructor.  Don't pass options.
4878
4879 2009-03-30  Ian Lance Taylor  <iant@google.com>
4880
4881         * ffsll.c (ffsll): Correct implementation.
4882
4883 2009-03-27  Ian Lance Taylor  <iant@google.com>
4884
4885         * ffsll.c: New file.
4886         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4887         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4888         * ftruncate.c (ftruncate): Declare before definition.
4889         * mremap.c (mremap): Likewise.
4890         * pread.c (pread): Likewise.
4891         * configure, Makefile.in, config.in: Rebuild.
4892
4893         * mremap.c: New file.
4894         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4895         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4896         (mremap): Declare if HAVE_MREMAP is not defined.
4897         * configure, Makefile.in, config.in: Rebuild.
4898
4899 2009-03-27  Cary Coutant  <ccoutant@google.com>
4900
4901         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4902         position independent.
4903         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4904         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4905
4906 2009-03-24  Cary Coutant  <ccoutant@google.com>
4907
4908         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4909         an executable.
4910         (needs_dynamic_reloc): Likewise.
4911
4912 2009-03-24  Ian Lance Taylor  <iant@google.com>
4913
4914         * yyscript.y (file_cmd): Recognize EXTERN.
4915         (extern_name_list, extern_name_list_body): New nonterminals.
4916         * script.cc (script_add_extern): Define.
4917         * script-c.h (script_add_extern): Declare.
4918
4919 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4920
4921         * object.cc (is_elf_object): Define.
4922         * object.h (is_elf_object): Declare.
4923         * archive.cc (Archive::get_elf_object_for_member): Call
4924         is_elf_object.
4925         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4926
4927 2009-03-24  Elliott Hughes  <enh@google.com>
4928
4929         * output.cc (Output_file::map_anonymous): Define.
4930         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4931         try an anonymous one.  Report the size if the mmap fails.
4932         * output.h (class Output_file): Declare map_anonymous.
4933
4934 2009-03-24  Ian Lance Taylor  <iant@google.com>
4935
4936         * target-select.cc (instantiate_target): Don't acquire the lock if
4937         the instantiated_target_ field has already been set.
4938
4939 2009-03-23  Ian Lance Taylor  <iant@google.com>
4940
4941         * gold-threads.h (class Initialize_lock): Define.
4942         * gold-threads.cc (class Initialize_lock_once): Define.
4943         (initialize_lock_control): New static variable.
4944         (initialize_lock_pointer): New static variable.
4945         (initialize_lock_once): New static function.
4946         (Initialize_lock::Initialize_lock): Define.
4947         (Initialize_lock::initialize): Define.
4948         * target-select.h: Include "gold-threads.h".
4949         (class Target_selector): Add lock_ and initialize_lock_ fields.
4950         Don't define instantiate_target, just declare it.
4951         * target-select.cc (Target_selector::Target_selector): Initialize
4952         new fields.
4953         (Target_selector::instantiate_target): Define.
4954         * descriptors.h: Include "gold-threads.h".
4955         (class Descriptors): Add initialize_lock_ field.
4956         * descriptors.cc (Descriptors::Descriptors): Initialize new
4957         field.
4958         (Descriptors::open): Use initialize_lock_ field
4959         * errors.h (class Errors): Add initialize_lock_ field.
4960         * errors.cc (Errors::Errors): Initialize new field.
4961         (Errors::initialize_lock): Use initialize_lock_ field.
4962         * powerpc.cc (class Target_selector_powerpc): Remove
4963         instantiated_target_ field.  In do_recognize call
4964         instantiate_target rather than do_instantiate_target.  In
4965         do_instantiate_target just allocate a new target.
4966         * sparc.cc (class Target_selector_sparc): Likewise.
4967
4968         * freebsd.h: New file.
4969         * i386.cc: Include "freebsd.h".
4970         (Target_i386): Derive from Target_freebsd rather than
4971         Sized_target.
4972         (Target_selector_i386): Derive from Target_selector_freebsd rather
4973         than Target_selector.
4974         * x86_64.cc: Include "freebsd.h".
4975         (Target_x86_64): Derive from Target_freebsd rather than
4976         Sized_target.
4977         (Target_selector_x86_64): Derive from Target_selector_freebsd
4978         rather than Target_selector.
4979         * target.h (class Target): Add adjust_elf_header and
4980         do_adjust_elf_header.
4981         * output.cc (Output_file_header:: do_sized_write): Call target
4982         adjust_elf_header routine.
4983         * configure.tgt: Set targ_osabi.
4984         * configure.ac: Define GOLD_DEFAULT_OSABI.
4985         * parameters.cc (Parameters::default_target): Pass
4986         GOLD_DEFAULT_OSABI to select_target.
4987         * target-select.h (class Target_selector): Make instantiate_target
4988         protected rather than private.
4989         * Makefile.am (HFILES): Add freebsd.h.
4990         * configure, Makefile.in, config.in: Rebuild.
4991
4992         * merge.cc (do_add_input_section): Correct pend value.  Change
4993         message about last entry not being null terminated from error to
4994         warning.
4995
4996 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4997
4998         * incremental.cc: New file.
4999         * Makefile.am (CCFILES): Add incremental.cc.
5000         * Makefile.in: Rebuild.
5001
5002 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5003
5004         * layout.cc (Layout::output_section_name): Preserve names
5005         of '.note.' sections.
5006         
5007 2009-03-19  Ian Lance Taylor  <iant@google.com>
5008
5009         * descriptors.cc (Descriptors::open): Check that the options are
5010         valid before using them.
5011
5012 2009-03-18  Ian Lance Taylor  <iant@google.com>
5013
5014         * script-sections.h: Include <list>.
5015         (class Script_sections): Change Sections_elements from std::vector
5016         to std::list.  Typedef public Elements_iterator.  Add
5017         orphan_section_placement_, data_segment_align_start_, and
5018         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5019         field.
5020         * script-sections.cc (class Orphan_section_placement): New class.
5021         (class Sections_element): Add virtual functions is_relro and
5022         orphan_section_init.  Remove virtual function place_orphan_here.
5023         (class Output_section_definition): Add is_relro and
5024         orphan_section_init.  Remove place_orphan_here.
5025         (class Orphan_output_section): Likewise.
5026         (Script_sections::Script_sections): Update for field changes.
5027         (Script_sections::data_segment_align): Set saw_data_segment_align_
5028         and data_segment_align_start_, not data_segment_align_index.
5029         (Script_sections::data_segment_relro_end): Check
5030         saw_data_segment_align_.  Use data_segment_align_start_ rather
5031         than data_segment_align_index_.
5032         (Script_sections::place_orphan): Rewrite to use
5033         Orphan_section_placement.
5034
5035 2009-03-17  Ian Lance Taylor  <iant@google.com>
5036
5037         * archive.cc (Archive::add_symbols): Check for a version attached
5038         to the symbol name in the archive map.
5039         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5040         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5041         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5042         (ver_test_11.a): New target.
5043         * testsuite/Makefile.in: Rebuild.
5044
5045         * configure.ac: Check for chsize and posix_fallocate.  Replace
5046         ftruncate.
5047         * ftruncate.c: New file, from gnulib.
5048         * output.cc (posix_fallocate): Define dummy version if not
5049         HAVE_POSIX_FALLOCATE.
5050         (Output_file::map): Call posix_fallocate rather than lseek and
5051         write.
5052         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5053         * configure, Makefile.in, config.in: Rebuild.
5054
5055 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5056         
5057         * layout.h (Layout::create_note): Add section_name parameter.
5058         * layout.cc (Layout::create_note): Likewise.
5059         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5060         
5061 2009-03-17  Ian Lance Taylor  <iant@google.com>
5062
5063         * descriptors.cc: Include "options.h".
5064         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5065         (Descriptors::open): Always use O_CLOEXEC when opening a new
5066         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5067         then set FD_CLOEXEC.
5068
5069         * sparc.cc (class Target_sparc): Add has_got_section.
5070         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5071         make sure we have a GOT section.
5072
5073         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5074         (Target_sparc::Scan::local): Likewise.
5075         (Target_sparc::Scan::global): Likewise.
5076         (Target_sparc::Relocate::relocate): Likewise.
5077         (Target_sparc::Relocate::relocate_tls): Likewise.
5078
5079         * symtab.cc (Symbol_table::define_default_version): New function,
5080         broken out of add_from_object.
5081         (Symbol_table::add_from_object): Call define_default_version.
5082         (Symbol_table::define_special_symbol): Add resolve_oldsym
5083         parameter.  Change all callers.  If the version for a symbol comes
5084         from a version script, resolve it with the symbol with the same
5085         name with no version.  Also add the symbol without a version if
5086         appropriate.
5087         (do_define_in_output_data): If resolving with oldsym, don't delete
5088         sym.
5089         (do_define_in_output_segment): Likewise.
5090         (do_define_as_constant): Likewise.
5091         * symtab.h (class Symbol_table): Update declarations.
5092
5093 2009-03-13  Ian Lance Taylor  <iant@google.com>
5094
5095         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5096         (Read_symbols::requeue): New function.
5097         (Read_symbols::do_read_symbols): If make_elf_object fails because
5098         the target type is not configured, and the file was searched for,
5099         issue a warning and retry with the next directory.
5100         (Add_symbols::run): If the file has an incompatible format, and
5101         it was searched for, requeue the Read_symbols task.  On error,
5102         release the object.
5103         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5104         dirindex parameter to constructor.  Change all callers.  Declare
5105         incompatible_warning and requeue.
5106         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5107         input_argument_ and input_group_ fields.  Add them to
5108         constructor.  Change all callers.
5109         (class Read_script): Add dirindex_ field.  Add it to constructor.
5110         Change all callers.
5111         * archive.cc (Archive::setup): Remove input_objects parameter.
5112         Change all callers.
5113         (Archive::get_file_and_offset): Likewise.
5114         (Archive::read_all_symbols): Likewise.
5115         (Archive::read_symbols): Likewise.
5116         (Archive::get_elf_object_for_member): Remove input_objects
5117         parameter.  Add punconfigured parameter.  Change all callers.
5118         (Archive::add_symbols): Change return type to bool.  Check return
5119         value of include_member.
5120         (Archive::include_all_members): Likewise.
5121         (Archive::include_member): Change return type to bool.  Return
5122         false if first included object has incompatible target.  Set
5123         included_member_ field.
5124         (Add_archive_symbols::run): If add_symbols returns false, requeue
5125         Read_symbols task.
5126         * archive.h (class Archive): Add included_member_ field.
5127         Initialize it in constructor.  Add input_file and searched_for
5128         methods.  Update declarations.
5129         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5130         input_argument_ fields.  Add them to constructor.  Change all
5131         callers.
5132         * script.cc: Include "target-select.h".
5133         (class Parser_closure): Add skip_on_incompatible_target_ and
5134         found_incompatible_target_ fields.  Add
5135         skip_on_incompatible_target parameter to constructor.  Change all
5136         callers.  Add methods skip_on_incompatible_target,
5137         clear_skip_on_incompatible_target, found_incompatible_target, and
5138         set_found_incompatible_target.
5139         (read_input_script): Add dirindex parameter.  Change all callers.
5140         If parser finds an incompatible target, requeue Read_symbols
5141         task.
5142         (script_set_symbol): Clear skip_on_incompatible_target in
5143         closure.
5144         (script_add_assertion, script_parse_option): Likewise.
5145         (script_start_sections, script_add_phdr): Likewise.
5146         (script_check_output_format): New function.
5147         * script.h (read_input_script): Update declaration.
5148         * script-c.h (script_check_output_format): Declare.
5149         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5150         (ignore_cmd): Remove OUTPUT_FORMAT.
5151         * fileread.cc (Input_file::Input_file): Add explicit this.
5152         (Input_file::will_search_for): New function.
5153         (Input_file::open): Add pindex parameter.  Change all callers.
5154         * fileread.h (class Input_file): Add input_file_argument method.
5155         Declare will_search_for.  Update declarations.
5156         * object.cc (make_elf_object): Add punconfigured parameter.
5157         Change all callers.
5158         * object.h (class Object): Make input_file public.  Add
5159         searched_for method.
5160         (make_elf_object): Update declaration.
5161         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5162         restart search.
5163         * dirsearch.h (class Dirsearch): Update declaration.
5164         * options.h (class General_options): Add --warn-search-mismatch.
5165         * parameters.cc (Parameters::is_compatible_target): New function.
5166         * parameters.h (class Parameters): Declare is_compatible_target.
5167         * workqueue.cc (Workqueue::add_blocker): New function.
5168         * workqueue.h (class Workqueue): Declare add_blocker.
5169
5170         * fileread.cc (Input_file::open): Remove options parameter.
5171         Change all callers.
5172         (Input_file::open_binary): Likewise.
5173         * script.cc (read_input_script): Likewise.
5174         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5175         options parameter from constructor.  Change all callers.
5176         (class Read_script): Likewise.
5177         * fileread.h (class Input_file): Update declarations.
5178         * script.h (read_input_script): Update declaration.
5179
5180 2009-03-10  Nick Clifton  <nickc@redhat.com>
5181
5182         * po/es.po: New Spanish translation.
5183
5184 2009-03-06  Cary Coutant  <ccoutant@google.com>
5185
5186         * options.cc (parse_short_option): Keep dash_z from registering itself.
5187
5188 2009-03-03  Ian Lance Taylor  <iant@google.com>
5189
5190         PR 9918
5191         * target-reloc.h (relocate_section): Pass output_section to
5192         relocate.
5193         * i386.cc (Target_i386::should_apply_static_reloc): Add
5194         output_section parameter.  Change all callers.
5195         (Target_i386::Relocate::relocate): Add output_section parameter.
5196         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5197         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5198         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5199         * testsuite/two_file_shared.sh: New script.
5200         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5201         (check_DATA): Add two_file_shared.dbg.
5202         (two_file_shared.dbg): New target.
5203         * testsuite/Makefile.in: Rebuild.
5204
5205 2009-03-01  Ian Lance Taylor  <iant@google.com>
5206
5207         * configure.ac: Check for byteswap.h.
5208         * configure: Rebuild.
5209         * config.in: Rebuild.
5210
5211 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5212
5213         * layout.cc (Layout::find_or_add_kept_section): New function.
5214         (Layout::add_comdat): Removed.
5215         * layout.h (struct Kept_section): Move out of class Layout.
5216         Remove trailing underscores from field names.  Add group_sections
5217         field.  Rename group_ field to is_group.  Change all uses.
5218         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5219         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5220         comdat_groups_ field.
5221         (Sized_relobj::include_section_group): Use
5222         find_or_add_kept_section and Kept_section::group_sections.
5223         (Sized_relobj::include_linkonce_section): Likewise.
5224         * object.cc (class Sized_relobj): Don't define Comdat_group or
5225         Comdat_group_table.  Remove find_comdat_group and
5226         add_comdat_group.  Remove comdat_groups_ field.
5227         * plugin.cc (include_comdat_group): Use
5228         Layout::find_or_add_kept_section.
5229
5230 2009-02-28  Ian Lance Taylor  <iant@google.com>
5231
5232         * README: --gc-sections and map files are now supported.  Document
5233         some build requirements.
5234
5235         PR 6992
5236         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5237         relocatable link set the value of the section symbol to zero.
5238         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5239         relocatable link don't include the section address in the local
5240         symbol value.
5241
5242 2009-02-27  Ian Lance Taylor  <iant@google.com>
5243
5244         PR 6811
5245         * options.h (class Search_directory): Add is_system_directory.
5246         (class General_options): Declare is_in_system_directory.
5247         * options.cc (get_relative_sysroot): Make static.
5248         (get_default_sysroot): Make static.
5249         (General_optoins::is_in_system_directory): New function.
5250         * fileread.cc (Input_file::is_in_system_directory): New function.
5251         * fileread.h (class Input_file): Declare is_in_system_directory.
5252         * object.h (class Object): Add is_in_system_directory.
5253         (class Input_objects): Remove system_library_directory_ field.
5254         * object.cc (Input_objects::add_object): Don't set
5255         system_library_directory_.
5256         (input_objects::found_in_system_library_directory): Remove.
5257         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5258         parameter.  Change all callers.
5259         (Symbol_table::sized_write_globals): Likewise.
5260         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5261         Call Object::is_in_system_directory.
5262         * symtab.h (class Symbol_table): Update declarations.
5263
5264         PR 5990
5265         * descriptors.h (Open_descriptor): Add is_on_stack field.
5266         * descriptors.cc (Descriptors::open): If the descriptor is on the
5267         top of the stack, remove it.  Initialize is_on_stack field.
5268         (Descriptors::release): Only add pod to stack if it is not on the
5269         stack already.
5270         (Descriptors::close_some_descriptor): Clear stack_next and
5271         is_on_stack fields.
5272
5273         PR 7091
5274         * output.cc (Output_section::find_starting_output_address): Rename
5275         from starting_output_address; add PADDR parameter; change return
5276         type.
5277         * output.h (class Output_section): Declare
5278         find_starting_output_address instead of starting_output_address.
5279         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5280         section symbol for which we can't find a merge section.
5281
5282         PR 9836
5283         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5284         hidden or internal, force the symbol to be local.
5285         * resolve.cc (Symbol::override_visibility): Define.
5286         (Symbol::override_base): Use override_visibility.
5287         (Symbol_table::resolve): Likewise.
5288         (Symbol::override_base_with_special): Likewise.
5289         (Symbol_table::override_with_special): If the visibility is hidden
5290         or internal, force the symbol to be local.
5291         * symtab.h (class Symbol): Add set_visibility and
5292         override_visibility.
5293         * testsuite/ver_test_1.sh: New file.
5294         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5295         (check_DATA): Add ver_test_1.syms.
5296         (ver_test_1.syms): New target.
5297         * testsuite/Makefile.in: Rebuild.
5298
5299 2009-02-25  Cary Coutant  <ccoutant@google.com>
5300
5301         * layout.cc (Layout::choose_output_section): Don't rename sections
5302         when using a linker script that has a SECTIONS clause.
5303         * Makefile.in: Regenerate.
5304
5305         * testsuite/Makefile.am (script_test_5.sh): New test case.
5306         * testsuite/Makefile.in: Regenerate.
5307         * testsuite/script_test_5.cc: New file.
5308         * testsuite/script_test_5.sh: New file.
5309         * testsuite/script_test_5.t: New file.
5310
5311 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5312
5313         * archive.cc (Archive::include_member): Update calls to add_symbols.
5314         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5315         the Layout argument.
5316         * dynobj.h (do_add_symbols): Add the Layout argument.
5317         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5318         Layout argument.
5319         * object.h (Object::add_symbols): Add the Layout argument.
5320         (Object::do_add_symbols): Add the Layout argument.
5321         (Sized_relobj::do_add_symbols): Add the Layout argument.
5322         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5323         Unify the two versions.
5324         (Add_plugin_symbols): Remove.
5325         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5326         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5327         (Add_plugin_symbols): Remove.
5328         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5329         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5330         (Add_symbols::run): Make it work with Pulginobj.
5331
5332 2009-02-06  Ian Lance Taylor  <iant@google.com>
5333
5334         * object.cc (Sized_relobj::do_layout): Make info message start
5335         with lower case letter.
5336
5337 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5338
5339         * binary.cc: Fix file comment.
5340
5341         * options.h (enum Incremental_disposition): Define.
5342         (class General_options): Add new options: --incremental,
5343         --incremental_changed, --incremental_unchanged,
5344         --incremental_unknown.  Add incremental_disposition_ and
5345         implicit_incremental_ fields.
5346         (General_options::incremental_disposition): New function.
5347         (class Position_dependent_options): Add incremental_disposition
5348         option.
5349         (Position_dependent_options::copy_from_options): Set incremental
5350         dispositions.
5351         * options.cc (General_options::parse_incremental_changed): New
5352         function.
5353         (General_options::parse_incremental_unchanged): New function.
5354         (General_options::parse_incremental_unknown): New function.
5355         (General_options::General_options): Initialize new fields
5356         incremental_disposition_ and implicit_incremental_.
5357         (General_options::finalize): Check for uasge of --incremental-*
5358         without --incremental.
5359
5360 2009-02-06  Chris Demetriou  <cgd@google.com>
5361
5362         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5363         pointer and to report location as the file name associated with
5364         the symbol.
5365         (gold_undefined_symbol_at_location): New function to replace the
5366         old gold_undefined_symbol functionality.
5367         * target-reloc.h (relocate_section): Update to use
5368         gold_undefined_symbol_at_location.
5369         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5370         Call gold_undefined_symbol function rather than gold_error.
5371         * errors.h (Errors::undefined_symbol): Take location as a
5372         string, rather than calculating it from a relocation.
5373         * errors.cc (Errors::fatal): Print "fatal error:" before the
5374         formatted message.
5375         (Errors::error, Errors::error_at_location): Print "error: "
5376         before the formatted message.
5377         (Errors::undefined_symbol): Take location as a string, rather
5378         than calculating it from a relocation.
5379         (gold_undefined_symbol_at_location): New function akin to
5380         old gold_undefined_symbol, calculates location from relocation.
5381         (gold_undefined_symbol): Change to take only a Symbol pointer
5382         and to report location as the file name associated with the symbol.
5383         * testsuite/debug_msg.sh: Update for changed error messages.
5384         * testsuite/undef_symbol.sh: Likewise.
5385
5386 2009-02-04  Duncan Sands  <baldrick@free.fr>
5387
5388         PR 9812
5389         * reduced_debug_output.h
5390         (Output_reduced_debug_abbrev_section::failed): Use format for
5391         gold_warning.
5392         (Output_reduced_debug_info_section::faild): Likewise.
5393
5394 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5395
5396         * script.cc (Lazy_demangler): New class.
5397         (Version_script_info::get_symbol_version_helper): Demangle a
5398         symbol only once.
5399
5400 2009-01-29  Cary Coutant  <ccoutant@google.com>
5401
5402         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5403         to __tls_get_addr.
5404         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5405
5406 2009-01-28  Ian Lance Taylor  <iant@google.com>
5407
5408         * version.cc (version_string): Bump to 1.9.
5409
5410         * gold.h: Include <cstring> and <stdint.h>.
5411         * version.cc: Include <cstdio>.
5412         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5413         warning.
5414         * reduced_debug_output.cc (insert_into_vector): Rename from
5415         Insert_into_vector; change all callers.  Use Swap_unaligned to
5416         avoid aliasing issue; remove union since it is unnecessary.
5417
5418 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5419
5420         * Makefile.am (CCFILES): Add gc.cc.
5421         (HFILES): Add gc.h.
5422         * Makefile.in: Regenerate.
5423         * gold.cc (Gc_runner): New class.
5424         (queue_initial_tasks): Call garbage collection related tasks
5425         when corresponding options are invoked.
5426         (queue_middle_gc_tasks): New function.
5427         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5428         processed early before laying out sections during garbage collection.
5429         * gold.h (queue_middle_gc_tasks): New function.
5430         (is_prefix_of): Move from "layout.cc".
5431         * i386.cc (Target_i386::gc_process_relocs): New function.
5432         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5433         * main.cc (main): Create object of class "Garbage_collection".
5434         * object.cc (Relobj::copy_symbols_data): New function.
5435         (Relobj::is_section_name_included): New function.
5436         (Sized_relobj::do_layout): Allow this function to be called twice 
5437         during garbage collection and defer layout of section during the 
5438         first call.
5439         * object.h (Relobj::get_symbols_data): New function.
5440         (Relobj::is_section_name_included): New function.
5441         (Relobj::copy_symbols_data): New function.
5442         (Relobj::set_symbols_data): New function.
5443         (Relobj::get_relocs_data): New function.
5444         (Relobj::set_relocs_data): New function.
5445         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5446         (Relobj::gc_process_relocs): New function.
5447         (Relobj::do_gc_process_relocs): New pure virtual function.
5448         (Relobj::sd_): New data member.
5449         (Sized_relobj::is_output_section_offset_invalid): New function.
5450         (Sized_relobj::do_gc_process_relocs): New function.
5451         * options.h (General_options::gc_sections): Modify to not be a no-op.
5452         (General_options::print_gc_sections): New option.
5453         * plugin.cc (Plugin_finish::run): Remove function call to
5454         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5455         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5456         * reloc.cc (Read_relocs::run): Add task to process relocs and
5457         determine unreferenced sections when doing garbage collection.
5458         (Gc_process_relocs): New class.
5459         (Sized_relobj::do_gc_process_relocs): New function.
5460         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5461         sections that are garbage collected.
5462         * reloc.h (Gc_process_relocs): New class.
5463         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5464         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5465         symbols whose corresponding sections are garbage collected.
5466         (Symbol_table::Symbol_table): Add new parameter for the garbage
5467         collection object.
5468         (Symbol_table::gc_mark_undef_symbols): New function.
5469         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5470         (Symbol_table::gc_mark_dyn_syms): New function.
5471         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5472         as garbage.
5473         (Symbol_table::add_from_object): Likewise.
5474         (Symbol_table::add_from_relobj): When building shared objects, do not
5475         treat externally visible symbols as garbage.
5476         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5477         table information for static and relocatable links.
5478         * symtab.h (Symbol_table::set_gc): New function.
5479         (Symbol_table::gc): New function.
5480         (Symbol_table::gc_mark_undef_symbols): New function.
5481         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5482         (Symbol_table::gc_mark_dyn_syms): New function.
5483         (Symbol_table::gc_): New data member.
5484         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5485         function.
5486         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5487         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5488
5489 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5490
5491         * options.h (General_options::gc_sections): Define as a no-op for now.
5492         (General_options::no_keep_memory): Ditto.
5493         (General_options::Bshareable): Define.
5494         * options.cc (General_options::finalize): Honor -Bshareable.
5495
5496 2009-01-20  Andreas Schwab  <schwab@suse.de>
5497
5498         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5499         read the value in the contents, since we don't use it.  Use the
5500         template endianness when writing.
5501         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5502
5503 2009-01-19  Andreas Schwab  <schwab@suse.de>
5504
5505         * configure.tgt (powerpc64-*): Fix targ_obj.
5506
5507 2009-01-15  Ian Lance Taylor  <iant@google.com>
5508
5509         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5510         local symbols when stripping all symbols.
5511
5512 2009-01-14  Cary Coutant  <ccoutant@google.com>
5513
5514         * output.cc (Output_reloc): Add explicit instantiations.
5515
5516 2009-01-14  Cary Coutant  <ccoutant@google.com>
5517
5518         * archive.cc (Archive::get_elf_object_for_member): Remove call
5519         to File_read::claim_for_plugin.
5520         * descriptors.cc (Descriptors::open): Remove reference to
5521         is_claimed.
5522         (Descriptors::claim_for_plugin): Remove.
5523         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5524         (Descriptors::is_claimed): Remove.
5525         (claim_descriptor_for_plugin): Remove.
5526         * fileread.cc (File_read::claim_for_plugin): Remove.
5527         * fileread.h (File_read::claim_for_plugin): Remove.
5528         (File_read::descriptor): Reopen descriptor if necessary.
5529         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5530         (Plugin_manager::all_symbols_read): Add task parameter. Change
5531         all callers.
5532         (Plugin_manager::get_input_file): New function.
5533         (Plugin_manager::release_input_file): New function.
5534         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5535         corresponding data member.
5536         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5537         and pass to base constructor. Change all callers.
5538         (get_input_file, release_input_file): New functions.
5539         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5540         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5541         (Plugin_manager::all_symbols_read): Add task parameter.
5542         (Plugin_manager::get_input_file): New function.
5543         (Plugin_manager::release_input_file): New function.
5544         (Plugin_manager::task_): New data member.
5545         (Pluginobj::Pluginobj): Add filesize parameter.
5546         (Pluginobj::filename): New function.
5547         (Pluginobj::descriptor): New function.
5548         (Pluginobj::filesize): New function.
5549         (Pluginobj::filesize_): New data member.
5550         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5551         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5552         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5553
5554         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5555         with archive libraries.
5556         * testsuite/Makefile.in: Regenerate.
5557         * testsuite/plugin_test.c (struct sym_info): New type.
5558         (get_input_file, release_input_file): New static variables.
5559         (onload): Capture new transfer vector entries.
5560         (claim_file_hook): Stop reading at end of file according to filesize.
5561         Factor out parsing of readelf output into separate function.
5562         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5563         APIs and get the source file name from the symbol table.  Convert
5564         source file name to corresponding object file name.  Print info
5565         message when adding new input files.
5566         (parse_readelf_line): New function.
5567         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5568         * testsuite/plugin_test_2.sh: Likewise.
5569         * testsuite/plugin_test_3.sh: Likewise.
5570         * testsuite/plugin_test_4.sh: New test case.
5571
5572 2009-01-07  Ian Lance Taylor  <iant@google.com>
5573
5574         * version.cc (version_string): Bump to 1.8.
5575
5576 2008-12-23  Cary Coutant  <ccoutant@google.com>
5577
5578         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5579         * plugin.cc (Plugin_manager::finish): Rename as
5580         layout_deferred_objects.  Move cleanup to separate function.
5581         (Plugin_manager::cleanup): New function.
5582         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5583         separately.
5584         * plugin.h (Plugin_manager::finish): Rename as
5585         layout_deferred_objects.
5586         (Plugin_manager::cleanup): New function.
5587         (Plugin_manager::cleanup_done): New field.
5588
5589 2008-12-23  Cary Coutant  <ccoutant@google.com>
5590
5591         * plugin.cc (is_visible_from_outside): New function.
5592         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5593         so we don't return "IR only" status for exported symbols or -r links.
5594
5595         * testsuite/Makefile.am (plugin_test_3): New test case.
5596         * testsuite/Makefile.in: Regenerate.
5597         * testsuite/plugin_test_3.sh: New file.
5598
5599 2008-12-22  Cary Coutant  <ccoutant@google.com>
5600
5601         * object.cc (Sized_relobj::layout_section): New function.
5602         (Sized_relobj::do_layout): Defer layout of input sections until after
5603         plugin has provided replacement files.
5604         (Sized_relobj::do_layout_deferred_sections): New function.
5605         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5606         (Relobj::layout_deferred_sections): New function.
5607         (Relobj::do_layout_deferred_sections): New function.
5608         (Sized_relobj::do_layout_deferred_sections): New function.
5609         (Sized_relobj::layout_section): New function.
5610         (Sized_relobj::Deferred_layout): New structure.
5611         (Sized_relobj::deferred_layout_): New field.
5612         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5613         Change all callers.  Layout deferred sections.
5614         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5615         references.
5616         (Plugin_hook::run): Move code from do_plugin_hook inline.
5617         (Plugin_hook::do_plugin_hook): Remove.
5618         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5619         (Plugin_manager::finish): Renamed, was cleanup.
5620         (Plugin_manager::should_defer_layout): New function.
5621         (Plugin_manager::add_deferred_layout_object): New function.
5622         (Plugin_manager::Deferred_layout_list): New type.
5623         (Plugin_manager::deferred_layout_objects_): New field.
5624         (Plugin_hook::do_plugin_hook): Remove.
5625
5626 2008-12-17  Ian Lance Taylor  <iant@google.com>
5627
5628         * options.h (class General_options): Add --no case for
5629         --export-dynamic.
5630
5631 2008-12-16  Cary Coutant  <ccoutant@google.com>
5632
5633         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5634         vector.
5635         (Plugin_manager::claim_file): Create plugin object even if
5636         plugin did not call the add_symbols callback.
5637         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5638         asking for more symbols than were added.
5639         * testsuite/Makefile.am (plugin_test_1): Add test case with
5640         no global symbols.
5641         (empty.syms): New target.
5642         * testsuite/Makefile.in: Regenerate.
5643         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5644         message. Don't call add_symbols if no globals.
5645         (all_symbols_read_hook): Don't provide replacement for empty
5646         claimed file.
5647
5648 2008-12-12  Ian Lance Taylor  <iant@google.com>
5649
5650         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5651         r_type == 0 for a local symbol with r_sym == 0.
5652         (scan_relocatable_relocs): Pass r_sym to
5653         local_non_section_strategy.
5654         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5655         r_sym parameter.
5656
5657         * configure.ac: Update test for TLS descriptors: they are
5658         supported as of glibc 2.9.
5659         * configure: Rebuild.
5660
5661 2008-12-11  Ian Lance Taylor  <iant@google.com>
5662
5663         PR 7091
5664         * target-reloc.h (Default_scan_relocatable_relocs): For each
5665         function, map r_type == 0 to RELOC_DISCARD.
5666
5667 2008-12-10  Cary Coutant  <ccoutant@google.com>
5668
5669         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5670         object to override a kept COMDAT group from a plugin object.
5671
5672 2008-12-09  Ian Lance Taylor  <iant@google.com>
5673
5674         PR 7088
5675         * yyscript.y (file_cmd): Handle INPUT.
5676
5677         * testsuite/initpri1.c: Change all declarations to be full
5678         prototypes by adding void, to avoid compiler warnings.
5679
5680 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5681
5682         * options.cc (General_options::parse_plugin_opt): New.
5683         (General_options::add_plugin): The argument now is just the filename.
5684         (General_options::add_plugin_option): New.
5685         * options.h (plugin_opt): New.
5686         (add_plugin): Change argument name.
5687         (add_plugin_option): New.
5688         * plugin.cc (Plugin::load): Don't parse the plugin option.
5689         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5690         (Plugin::add_option): New.
5691         (Plugin::args_): Change type.
5692         (Plugin::filename_): New.
5693         (Plugin_manager::add_plugin_option): New.
5694         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5695         * testsuite/Makefile.in: Regenerate.
5696
5697 2008-12-05  Cary Coutant  <ccoutant@google.com>
5698
5699         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5700         Handle --strip-lto-sections option.
5701         * options.h (strip_lto_sections): New option.
5702
5703 2008-12-01  Cary Coutant  <ccoutant@google.com>
5704
5705         * plugin.cc (ld_plugin_message): Change format parameter to const.
5706         Fix mismatch between new[] and delete.
5707
5708 2008-11-14  Cary Coutant  <ccoutant@google.com>
5709
5710         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5711         instead of -1U.
5712
5713 2008-11-05  Craig Silverstein  <csilvers@google.com>
5714
5715         * options.cc (General_options::parse_dynamic_list): New function.
5716         * options.h (General_options): New flags dynamic_list,
5717         dynamic_list_data, dynamic_list_cpp_new, and
5718         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5719         (General_options::in_dynamic_list): New function.
5720         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5721         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5722         (Lex::can_continue_name): Likewise.
5723         (yylex): Likewise.
5724         (read_script_file): New parameter script_options.
5725         (read_dynamic_list): New function.
5726         (Script_options::define_dynamic_list): New function.
5727         (dynamic_list_keyword_parsecodes): New variable.
5728         (dynamic_list_keywords): New variable.
5729         * script.h (Script_options::define_dynamic_list): New function
5730         prototype.
5731         (read_dynamic_list): New function prototype.
5732         * symtab.cc (strprefix): New macro.
5733         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5734         dynamic_list_data, dynamic_list_cpp_new, and
5735         dynamic_list_cpp_typeinfo.
5736         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5737         (dynamic_list_expr): New rule.
5738         (dynamic_list_nodes): Likewise.
5739         (dynamic_list_node): Likewise.
5740         * testsuite/Makefile.am (dynamic_list): New test.
5741         * testsuite/Makefile.in: Regenerated.
5742         * testsuite/dynamic_list.t: New file.
5743         * testsuite/dynamic_list.sh: New file.
5744
5745 2008-11-05  Craig Silverstein  <csilvers@google.com>
5746
5747         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5748         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5749         (t11_last): Likewise.
5750         * testsuite/ver_test_6.c (main): Likewise.
5751
5752 2008-10-07  Cary Coutant  <ccoutant@google.com>
5753
5754         * options.c (General_options::finalize): Add check for -static and
5755         -shared.
5756         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5757         is not empty.
5758
5759 2008-10-02  Cary Coutant  <ccoutant@google.com>
5760
5761         * plugin.cc (make_sized_plugin_object): Fix conditional
5762         compilation to work when not all targets are enabled.
5763
5764 2008-09-29  Cary Coutant  <ccoutant@google.com>
5765
5766         * archive.cc (Archive::get_file_and_offset): Use filename instead
5767         of name to get library path.
5768         (Archive::include_member): Unlock external member of a thin archive.
5769
5770         * testsuite/Makefile.am (TEST_AR): New variable.
5771         (thin_archive_test_1): New test.
5772         (thin_archive_test_2): New test.
5773         * testsuite/Makefile.in: Regenerate.
5774         * testsuite/thin_archive_main.cc: New file.
5775         * testsuite/thin_archive_test_1.cc: New file.
5776         * testsuite/thin_archive_test_2.cc: New file.
5777         * testsuite/thin_archive_test_3.cc: New file.
5778         * testsuite/thin_archive_test_4.cc: New file.
5779
5780 2008-09-29  Cary Coutant  <ccoutant@google.com>
5781
5782         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5783         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5784         instead of -1U.
5785         (Sized_relobj::do_finalize_local_symbols): Likewise.
5786         (Sized_relobj::map_to_kept_section): Likewise.
5787         * object.h (Sized_relobj::invalid_address): New constant.
5788         (Sized_relobj::do_output_section_offset): Check for invalid_address
5789         and return -1ULL.
5790         * output.cc (Output_reloc::local_section_offset): Use constant
5791         invalid_address instead of -1U.
5792         (Output_reloc::get_address): Likewise.
5793         (Output_section::output_address): Change -1U to -1ULL.
5794         * output.h (Output_reloc::invalid_address): New constant.
5795         * reloc.cc (Sized_relobj::write_sections): Use constant
5796         invalid_address instead of -1U.
5797         (Sized_relobj::relocate_sections): Likewise.
5798         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5799         values for merge sections.
5800         * target-reloc.h (relocate_for_relocatable): Use constant
5801         invalid_address instead of -1U.
5802
5803 2008-09-19  Cary Coutant  <ccoutant@google.com>
5804
5805         Add plugin functionality for link-time optimization (LTO).
5806         * configure.ac (plugins): Add --enable-plugins option.
5807         * configure: Regenerate.
5808         * config.in: Regenerate.
5809         * Makefile.am (LIBDL): New variable.
5810         (CCFILES): Add plugin.cc.
5811         (HFILES): Add plugin.h.
5812         (ldadd_var): Add LIBDL.
5813         * Makefile.in: Regenerate.
5814
5815         * archive.cc: Include "plugin.h".
5816         (Archive::setup): Don't preread archive symbols when using a plugin.
5817         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5818         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5819         files.
5820         (Archive::include_member): Add symbols from plugin objects.
5821         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5822         * descriptors.cc (Descriptors::open): Check for file descriptors
5823         abandoned by plugins.
5824         (Descriptors::claim_for_plugin): New function.
5825         * descriptors.h (Descriptors::claim_for_plugin): New function.
5826         (Open_descriptor::is_claimed): New field.
5827         (claim_descriptor_for_plugin): New function.
5828         * fileread.cc (File_read::claim_for_plugin): New function.
5829         * fileread.h (File_read::claim_for_plugin): New function.
5830         (File_read::descriptor): New function.
5831         * gold.cc: Include "plugin.h".
5832         (queue_initial_tasks): Add task to call plugin hooks for generating
5833         new object files.
5834         * main.cc: Include "plugin.h".
5835         (main): Load plugin libraries.
5836         * object.h (Pluginobj): Declare.
5837         (Object::pluginobj): New function.
5838         (Object::do_pluginobj): New function.
5839         (Object::set_target): New function.
5840         * options.cc: Include "plugin.h".
5841         (General_options::parse_plugin): New function.
5842         (General_options::General_options): Initialize plugins_ field.
5843         (General_options::add_plugin): New function.
5844         * options.h (Plugin_manager): Declare.
5845         (General_options): Add --plugin option.
5846         (General_options::has_plugins): New function.
5847         (General_options::plugins): New function.
5848         (General_options::add_plugin): New function.
5849         (General_options::plugins_): New field.
5850         * plugin.cc: New file.
5851         * plugin.h: New file.
5852         * readsyms.cc: Include "plugin.h".
5853         (Read_symbols::do_read_symbols): Check for archive before checking
5854         for ELF file.  Call plugin hooks to claim files.
5855         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5856         from a real object file; force override when processing replacement
5857         files.
5858         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5859         (Symbol::init_base_object): Likewise.
5860         (Symbol::init_base_output_data): Likewise.
5861         (Symbol::init_base_output_segment): Likewise.
5862         (Symbol::init_base_constant): Likewise.
5863         (Symbol::init_base_undefined): Likewise.
5864         (Symbol::output_section): Assert that object is not a plugin.
5865         (Symbol_table::add_from_pluginobj): New function.
5866         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5867         undefined.
5868         (Symbol_table::sized_write_globals): Likewise.
5869         (Symbol_table::add_from_pluginobj): Instantiate template.
5870         * symtab.h (Sized_pluginobj): Declare.
5871         (Symbol::in_real_elf): New function.
5872         (Symbol::set_in_real_elf): New function.
5873         (Symbol::in_real_elf_): New field.
5874         (Symbol_table::add_from_pluginobj): New function.
5875
5876         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5877         (LIBDL): New variable.
5878         (LDADD): Add LIBDL.
5879         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5880         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5881         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5882         (MOSTLYCLEANFILES): Likewise.
5883         * testsuite/Makefile.in: Regenerate.
5884         * testsuite/plugin_test.c: New file.
5885         * testsuite/plugin_test_1.sh: New file.
5886         * testsuite/plugin_test_2.sh: New file.
5887
5888 2008-09-16  Ian Lance Taylor  <iant@google.com>
5889
5890         * target-reloc.h (relocate_section): Check whether a symbol is
5891         defined by the ABI before reporting an undefined symbol error.
5892         * target.h (Target::is_defined_by_abi): Make parameter const.
5893         (Target::do_is_defined_by_abi): Likewise.
5894         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5895         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5896         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5897         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5898         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5899         * testsuite/Makefile.in: Rebuild.
5900
5901         * fileread.cc (make_view): Add casts to avoid warning.
5902
5903 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5904
5905         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5906         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5907
5908 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5909
5910         * options.h (General_options::output_is_executable): New.
5911         (General_options::output_is_pie): New.
5912         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5913         for shared libraries.
5914         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5915
5916 2008-09-11  Chris Demetriou  <cgd@google.com>
5917
5918         * options.h (origin): New -z option.
5919         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5920         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5921         in DT_FLAGS_1.
5922
5923 2008-09-05  Cary Coutant  <ccoutant@google.com>
5924
5925         * fileread.cc (File_read::make_view): Add check for attempt to map
5926         beyond end of file.
5927
5928 2008-09-05  Cary Coutant  <ccoutant@google.com>
5929
5930         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5931         explicit instantiations.
5932
5933 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5934
5935         PR gold/6858
5936         * options.cc (General_options::finalize): Allow undefined symbols
5937         in shlibs if linking -shared.
5938
5939         PR gold/6859
5940         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5941         symbols as not needing a dynsym entry.
5942
5943 2008-08-20  Craig Silverstein  <csilvers@google.com>
5944
5945         * fileread.cc (File_read::open): Do not lock the file unless it
5946         was successfully opened.
5947
5948 2008-08-14  Cary Coutant  <ccoutant@google.com>
5949
5950         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5951         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5952         * testsuite/tls_test.cc (struct int128): 128-bit struct
5953         for testing TLS relocs with non-zero addend.
5954         (v12): New TLS variable.
5955         (t12): New test.
5956         (t_last): Add check for v12.
5957         * testsuite/tls_test.h (t12): New function.
5958         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5959
5960 2008-08-13  Ian Lance Taylor  <iant@google.com>
5961
5962         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5963         set tls_segment_ or relro_segment_.
5964         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5965         when appropriate.
5966         * output.h (Output_section::clear_is_relro): New function.
5967         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5968         sections specially even when output_data_ is empty.
5969         (Output_segment::maximum_alignment): When first section is relro,
5970         only force alignment for PT_LOAD segments.
5971         * script.cc (script_data_segment_align): New function.
5972         (script_data_segment_relro_end): New function.
5973         * script-c.h (script_data_segment_align): Declare.
5974         (script_data_segment_relro_end): Declare.
5975         * script-sections.h (class Script_sections): Declare
5976         data_segment_align and data_segment_relro_end.  Add fields
5977         segment_align_index_ and saw_relro_end_.
5978         * script-sections.cc (class Sections_element): Add set_is_relro
5979         virtual function.  Add new bool* parameter to place_orphan_here.
5980         Add get_output_section virtual function.
5981         (class Output_section_definition): Add set_is_relro.  Add new
5982         bool* parameter to place_orphan_here.  Add get_output_section.
5983         Add is_relro_ field.
5984         (Output_section_definition::Output_section_definition): Initialize
5985         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5986         and is_relro_ fields.
5987         (Output_section_definition::place_orphan_here): Add is_relro
5988         parameter.
5989         (Output_section_definition::set_section_addresses): Set relro for
5990         output section.
5991         (Output_section_definition::alternate_constraint): Likewise.
5992         (class Orphan_output_section): Add new bool* parameter to
5993         place_orphan_here.  Add get_output_section.
5994         (Orphan_output_section::place_orphan_here): Add is_relro
5995         parameter.
5996         (Script_sections::Script_sections): Initialize
5997         data_segment_align_index_ and saw_relro_end_.
5998         (Script_sections::data_segment_align): New function.
5999         (Script_sections::data_segment_relro_end): New function.
6000         (Script_sections::place_orphan): Set or clear is_relro.
6001         (Script_sections::set_section_addresses): Force alignment of first
6002         TLS section.
6003         * yyscript.y (exp): Call script_data_segment_align and
6004         script_data_segment_relro_end.
6005         * testsuite/relro_script_test.t: New file.
6006         * testsuite/relro_test.cc (using_script): Declare.
6007         (t1, t2): Test using_script.
6008         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6009         (relro_script_test_SOURCES): Define.
6010         (relro_script_test_DEPENDENCIES): Define.
6011         (relro_script_test_LDFLAGS): Define.
6012         (relro_script_test_LDADD): Define.
6013         (relro_script_test.so): New target.
6014         * testsuite/Makefile.in: Rebuild.
6015
6016 2008-08-06  Cary Coutant <ccoutant@google.com>
6017
6018         * archive.cc (Archive::total_archives, Archive::total_members)
6019         (Archive::total_members_loaded): New variables.
6020         (Archive::setup): Add parameter.  Add option to preread
6021         archive symbols.
6022         (Archive::read_armap): Add counter.
6023         (Archive::get_file_and_offset): New function.
6024         (Archive::get_elf_object_for_member): New function.
6025         (Archive::read_all_symbols): New function.
6026         (Archive::read_symbols): New function.
6027         (Archive::add_symbols): Add counters.
6028         (Archive::include_all_members): Use armap to find members if it's
6029         already built.
6030         (Archive::include_member): Skip reading symbols if already read.
6031         Factored code into Archive::get_file_and_offset and
6032         Archive::get_elf_object_for_member.  Changed call to
6033         Mapfile::report_include_archive_member.
6034         (Archive::print_stats): New function.
6035         * archive.h: Declare Object and Read_symbols_data classes.
6036         (Archive::Archive): Add initializers for new members.
6037         (Archive::setup): Add parameter.
6038         (Archive::print_stats): New function.
6039         (Archive::total_archives, Archive::total_members)
6040         (Archive::total_members_loaded): New variables.
6041         (Archive::get_file_and_offset): New function.
6042         (Archive::get_elf_object_for_member): New function.
6043         (Archive::read_all_symbols): New function.
6044         (Archive::read_symbols): New function.
6045         (Archive::Archive_member): New class.
6046         (Archive::members_): New member.
6047         (Archive::num_members_): New member.
6048         * main.cc: Include archive.h.
6049         (main): Call Archive::print_stats.
6050         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6051         archive parameter; member_name is now the fully-decorated name.
6052         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6053         * options.h: (General_options): Add --preread-archive-symbols option.
6054         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6055         Archive::setup.
6056
6057 2008-08-04  Ian Lance Taylor  <iant@google.com>
6058
6059         * symtab.h (Symbol::use_plt_offset): New function.
6060         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6061         * powerpc.cc (Relocate::relocate): Likewise.
6062         * sparc.cc (Relocate::relocate): Likewise.
6063         * x86_64.cc (Relocate::relocate): Likewise.
6064         * testsuite/weak_plt.sh: New test.
6065         * testsuite/weak_plt_main.cc: New test.
6066         * testsuite/weak_plt_shared.cc: New test.
6067         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6068         (check_PROGRAMS): Add weak_plt.
6069         (check_DATA): Add weak_plt_shared.so.
6070         (weak_plt_main_pic.o, weak_plt): New targets.
6071         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6072         * testsuite/Makefile.in: Rebuild.
6073
6074         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6075         gcctestdir/ld.
6076         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6077         * testsuite/Makefile.in: Rebuild.
6078
6079 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6080
6081         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6082         * Makefile.in: Regenerate.
6083         * po/POTFILES.in: Regenerate.
6084
6085 2008-07-29  Ian Lance Taylor  <iant@google.com>
6086
6087         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6088         symbols before other symbols.
6089         * testsuite/script_test_2.cc (test_addr): Declare.
6090         (test_addr_alias): Declare.
6091         (main): Check that test_addr and test_addr_alias have the right
6092         values.
6093         * testsuite/script_test_2.t: Define test_addr_alias and
6094         test_addr.
6095
6096 2008-07-24  Ian Lance Taylor  <iant@google.com>
6097
6098         PR 5990
6099         * descriptors.cc: New file.
6100         * descriptors.h: New file.
6101         * gold-threads.h (class Hold_optional_lock): New class.
6102         * fileread.cc: Include "descriptors.h".
6103         (File_read::~File_read): Release descriptor rather than closing
6104         it.
6105         (File_read::open) [file]: Call open_descriptor rather than open.
6106         Set is_descriptor_opened_.
6107         (File_read::open) [memory]: Assert that descriptor is not open.
6108         (File_read::reopen_descriptor): New function.
6109         (File_read::release): Release descriptor.
6110         (File_read::do_read): Make non-const.  Reopen descriptor.
6111         (File_read::read): Make non-const.
6112         (File_read::make_view): Reopen descriptor.
6113         (File_read::do_readv): Likewise.
6114         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6115         Update declarations.
6116         * layout.cc: Include "descriptors.h".
6117         (Layout::create_build_id): Use open_descriptor rather than open.
6118         * output.cc: Include "descriptors.h".
6119         (Output_file::open): Use open_descriptor rather than open.
6120         * archive.cc (Archive::const_iterator): Change Archive to be
6121         non-const.
6122         (Archive::begin, Archive::end): Make non-const.
6123         (Archive::count_members): Likewise.
6124         * archive.h (class Archive): Update declarations.
6125         * object.h (Object::read): Make non-const.
6126         * Makefile.am (CCFILES): Add descriptors.cc.
6127         (HFILES): Add descriptors.h.
6128         * Makefile.in: Rebuild.
6129
6130         PR 6716
6131         * gold.h: Always include <clocale>.  Add Solaris workarounds
6132         following code in binutils/sysdep.h.
6133
6134         PR 6048
6135         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6136         this->eh_frame_hdr_ is NULL before using it.
6137
6138         * dynobj.cc (Versions::Versions): Update comment.
6139
6140         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6141         the base version name.
6142
6143         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6144         array size plus one.
6145         (Stringpool_template::set_string_offsets): Subtract one from key
6146         before using it as an array index.
6147         (Stringpool_template::get_offset_with_length): Likewise.
6148         (Stringpool_template::write_to_buffer): Likewise.
6149         * stringpool.h (Stringpool_template::get_offset_from_key):
6150         Likewise.
6151
6152 2008-07-23  Ian Lance Taylor  <iant@google.com>
6153
6154         PR 6658
6155         * object.h (Merged_symbol_value::value): Do our best to handle a
6156         negative addend.
6157
6158         PR 6647
6159         * script.cc (Version_script_info::get_versions): Don't add empty
6160         version tag to return value.
6161         (Version_script_info::get_symbol_version_helper): Change return
6162         type to bool.  Add pversion parameter.  Change all callers.
6163         (script_register_vers_node): Don't require a non-NULL tag.
6164         * script.h (class Version_script_info): Update declarations.
6165         (Version_script_info::get_symbol_version): Change return type to
6166         bool.  Add version parameter.  Change all callers.
6167         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6168         handling.  Handle an empty version from a version script.
6169         (Symbol_table::define_special_symbol): Likewise.
6170         * testsuite/ver_test_10.script: New file.
6171         * testsuite/ver_test_10.sh: New file.
6172         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6173         (check_DATA): Add ver_test_10.syms.
6174         (ver_test_10.syms, ver_test_10.so): New target.
6175         * testsuite/Makefile.in: Rebuild.
6176
6177 2008-07-23  Simon Baldwin  <simonb@google.com>
6178
6179         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6180         to zero for undefined symbols from dynamic libraries.
6181
6182 2008-07-23  Ian Lance Taylor  <iant@google.com>
6183
6184         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6185         Change all callers.
6186         * symtab.h (class Symbol_table): Update declaration.
6187         * testsuite/ver_test_9.cc: New file.
6188         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6189         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6190         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6191         (ver_test_9.so, ver_test_9.o): New targets.
6192         * testsuite/Makefile.in: Rebuild.
6193
6194 2008-07-22  Ian Lance Taylor  <iant@google.com>
6195
6196         * options.h (class General_options): Define --check-sections.
6197         * layout.cc (Layout::set_segment_offsets): Handle
6198         --check-sections.
6199
6200         * options.h (class General_options): Define -n/--nmagic and
6201         -N/--omagic.
6202         * options.cc (General_options::finalize): For -n/--nmagic or
6203         -N/--omagic, set -static.
6204         * layout.cc (Layout::attach_allocated_section_to_segment): If
6205         -N/--omagic, don't put read-only and read-write sections in
6206         different segments.
6207         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6208         finding a read-only segment.
6209         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6210         don't set the minimum segment alignment to the common page size,
6211         and don't set the file offset to the address modulo the page size.
6212         * script-sections.cc (Script_sections::create_segments): If
6213         -n/--omagic, don't put read-only and read-write sections in
6214         different segments.
6215
6216         * cref.cc: New file.
6217         * cref.h: New file.
6218         * options.h (class General_options): Add --print-symbol-counts.
6219         * main.cc (main): Issue defined symbol report if requested.
6220         * archive.cc (Archive::interpret_header): Make into a const member
6221         function.
6222         (Archive::add_symbols): Call Input_objects::archive_start and
6223         archive_stop.
6224         (Archive::const_iterator): Define new class.
6225         (Archive::begin, Archive::end): New functions.
6226         (Archive::include_all_members): Rewrite to use iterator.
6227         (Archive::count_members): New function.
6228         * archive.h (class Archive): Update declarations.
6229         (Archive::filename): New function.
6230         * object.cc: Include "cref.h".
6231         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6232         (Sized_relobj::do_get_global_symbol_counts): New function.
6233         (Input_objects::add_object): Add object to cross-referencer.
6234         (Input_objects::archive_start): New function.
6235         (Input_objects::archive_stop): New function.
6236         (Input_objects::print_symbol_counts): New function.
6237         * object.h: Declare Cref and Archive.
6238         (Object::get_global_symbol_counts): New function.
6239         (Object::do_get_global_symbol_counts): New pure virtual function.
6240         (class Sized_relobj): Add defined_count_ field.  Update
6241         declarations.
6242         (class Input_objects): Add cref_ field.  Update constructor.
6243         Update declarations.
6244         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6245         defined_count_.
6246         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6247         symbol counts.
6248         (Sized_dynobj::do_get_global_symbol_counts): New function.
6249         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6250         defined_count_.  Update declarations.  Define Symbols typedef.
6251         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6252         parameter.  Change all callers.
6253         (Symbol_table::add_from_dynobj): Add sympointers and defined
6254         parameters.  Change all callers.
6255         * symtab.h (class Symbol_table): Update declarations.
6256         * Makefile.am (CCFILES): Add cref.cc.
6257         (HFILES): Add cref.h.
6258         * Makefile.in: Rebuild.
6259
6260 2008-07-22  Simon Baldwin  <simonb@google.com>
6261
6262         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6263         to zero when writing undefined symbols.
6264
6265 2008-07-22  Ian Lance Taylor  <iant@google.com>
6266
6267         * output.cc (Output_section::add_input_section): Don't try to
6268         merge empty merge sections.
6269
6270 2008-07-21  Craig Silverstein  <csilvers@google.com>
6271
6272         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6273         Include symbol version in error message.
6274
6275 2008-07-20  Chris Demetriou  <cgd@google.com>
6276
6277         * configure.ac (gold_cv_c_random_seed): New configured variable.
6278         (RANDOM_SEED_CFLAGS): New substituted variable.
6279         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6280         * configure: Rebuild.
6281         * Makefile.in: Likewise.
6282         * testsuite/Makefile.in: Likewise.
6283
6284 2008-07-18  Ian Lance Taylor  <iant@google.com>
6285
6286         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6287         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6288         * testsuite/ver_test_main.cc (main): Call t4.
6289         (t4, t4_2a): Define.
6290         * testsuite/ver_test_2.cc (t4_2): Define.
6291         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6292         * testsuite/ver_test_4.cc (t4_2a): Define.
6293         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6294         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6295
6296 2008-07-17  Ian Lance Taylor  <iant@google.com>
6297
6298         * dynobj.cc (Versions::add_def): If we give an error about a
6299         missing version, go ahead and create the version anyhow.
6300
6301 2008-07-10  Ian Lance Taylor  <iant@google.com>
6302
6303         Handle output sections with more than 0x7fffffff bytes.
6304         * object.h (class Relobj): Change map_to_output_ to
6305         output_sections_, and just keep a section pointer.  Change all
6306         uses.  Move comdat group support to Sized_relobj.
6307         (Relobj::is_section_specially_mapped): Remove.
6308         (Relobj::output_section): Remove poff parameter.  Change all
6309         callers.
6310         (Relobj::output_section_offset): New function.
6311         (Relobj::set_section_offset): Rewrite.
6312         (Relobj::map_to_output): Remove.
6313         (Relobj::output_sections): New function.
6314         (Relobj::do_output_section_offset): New pure virtual function.
6315         (Relobj::do_set_section_offset): Likewise.
6316         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6317         group support from Relobj.  Update declarations.
6318         (Sized_relobj::get_output_section_offset): New function.
6319         (Sized_relobj::do_output_section_offset): New function.
6320         (Sized_relobj::do_set_section_offset): New function.
6321         * object.cc (Relobj::output_section_address): Remove.
6322         (Sized_relobj::Sized_relobj): Initialize new fields.
6323         (Sized_relobj::include_section_group): Cast find_kept_object to
6324         Sized_relobj.
6325         (Sized_relobj::include_linkonce_section): Likewise.
6326         (Sized_relobj::do_layout): Use separate arrays for output section
6327         and output offset.
6328         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6329         output_sections.
6330         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6331         output_sections and section_offsets.
6332         (Sized_relobj::write_local_symbols): Likewise.
6333         (map_to_kept_section): Compute output address directly.
6334         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6335         output_sections and section_offsets.
6336         (Sized_relobj::write_sections): Likewise.
6337         (Sized_relobj::relocate_sections): Likewise.
6338         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6339         * output.h (class Output_reloc): Update declarations.  Change
6340         u2_.relobj to Sized_relobj*.
6341         (class Output_data_reloc): Change add functions to use
6342         Sized_relobj*.
6343         * output.cc (Output_reloc::Output_reloc): Change relobj to
6344         Sized_relobj*.
6345         (Output_reloc::local_section_offset): Change return type to
6346         Elf_Addr.  Use get_output_section_offset.
6347         (Output_reloc::get_address): Likewise.
6348         (Output_section::is_input_address_mapped): Don't call
6349         is_section_specially_mapped.
6350         (Output_section::output_offset): Likewise.
6351         (Output_section::output_address): Likewise.
6352         (Output_section::starting_output_address): Likewise.
6353         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6354         parameter to Sized_relobj*.
6355         (Copy_relocs::need_copy_reloc): Likewise.
6356         (Copy_relocs::save): Likewise.
6357         * copy-relocs.h (class Copy_relocs): Update declarations.
6358         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6359         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6360         * target-reloc.h (relocate_for_relocatable): Change
6361         offset_in_output_section type to Elf_Addr.  Change code that uses
6362         it as well.
6363         * layout.cc (Layout::layout): Always set *off.
6364         * mapfile.cc (Mapfile::print_input_section): Use
6365         output_section_offset.
6366         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6367         Sized_relobj*.
6368         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6369         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6370         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6371
6372 2008-07-03  Ian Lance Taylor  <iant@google.com>
6373
6374         * layout.cc (Layout::include_section): Do not discard unrecognized
6375         SHT_STRTAB sections.
6376
6377 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6378
6379         * script.cc (Lex::can_continue_name): Make '?' allowable in
6380         version-script names.
6381         * testsuite/version_script.map: Change glob pattern to use '?'
6382
6383 2008-06-30  Manish Singh  <yosh@gimp.org>
6384
6385         PR 6585
6386         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6387         Correct typo.
6388
6389 2008-06-30  Ian Lance Taylor  <iant@google.com>
6390
6391         PR 6660
6392         PR 6682
6393         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6394         versions]: Don't try to read the value in the contents, since we
6395         don't use it.  Use the template endianness when writing.
6396
6397 2008-06-25  Cary Coutant  <ccoutant@google.com>
6398
6399         * fileread.cc (File_read::make_view): Assert on zero-length view.
6400         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6401         symbol table when there are no symbols to read.
6402
6403 2008-06-23  Craig Silverstein  <csilvers@google.com>
6404
6405         * version.cc (version_string): Bump to 1.7
6406
6407 2008-06-18  Craig Silverstein  <csilvers@google.com>
6408
6409         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6410         constant 0xFFFF to type Valtype.
6411         (Powerpc_relocate_functions::rel16_ha): Likewise.
6412
6413 2008-06-17  Ian Lance Taylor  <iant@google.com>
6414
6415         * output.h (Output_section::Input_section): Initialize p2align_ to
6416         zero for Output_section_data constructors.
6417         (Output_section::Input_section::addralign): If not an input
6418         section, return the alignment of the Output_section_data.
6419         * testsuite/copy_test.cc: New file.
6420         * testsuite/copy_test_1.cc: New file.
6421         * testsuite/copy_test_2.cc: New file.
6422         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6423         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6424         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6425         (copy_test_1_pic.o, copy_test_1.so): New targets.
6426         (copy_test_2_pic.o, copy_test_2.so): New targets.
6427         * testsuite/Makefile.in: Rebuild.
6428
6429         * script-sections.cc (Script_sections::place_orphan): Initialize
6430         local variable exact.
6431
6432 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6433
6434         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6435
6436 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6437             David S. Miller  <davem@davemloft.net>
6438
6439         * powerpc.cc: New file.
6440         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6441         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6442         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6443         * Makefile.in: Rebuild.
6444
6445 2008-06-09  Ian Lance Taylor  <iant@google.com>
6446
6447         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6448         <exception>.
6449         (throwing, orig_terminate): New static variables.
6450         (terminate_handler): New static function.
6451         (t2): Set terminate handler.
6452
6453 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6454
6455         PR 6584
6456         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6457         alignment.
6458
6459 2008-05-30  Cary Coutant  <ccoutant@google.com>
6460
6461         * archive.cc (Archive::include_all_members) Correct to step
6462         over symbol table and extended name table in thin archives.
6463
6464 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6465
6466         PR 6407
6467         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6468         calculation.
6469
6470 2008-05-28  Caleb Howe  <cshowe@google.com>
6471
6472         * reduced_debug_output.cc: New file.
6473         * reduced_debug_output.h: New file.
6474         * options.h (class General_options): Add --strip-debug-non-line.
6475         * options.cc (General_options::finalize): Add strip_debug_non_line
6476         to the strip heirarchy.
6477         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6478         fields.
6479         * layout.cc: Include "reduced_debug_output.h".
6480         (Layout::Layout): Initialize new fields.
6481         (line_only_debug_sections): New static array.
6482         (is_lines_only_debug_sections): New static inline function.
6483         (Layout::include_section): Handle --strip-debug-non-line.
6484         (Layout::make_output_section): If --strip-debug-non-line, build
6485         new output sections for .debug_abbrev and .debug_info.
6486         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6487         gold.  Warn about possible overflow.
6488         (read_signed_LEB_128): Likewise.
6489         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6490         (read_signed_LEB_128): Declare.
6491         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6492         (HFILES): Add reduced_debug_output.h.
6493         * Makefile.in: Rebuild.
6494
6495 2008-05-21  Ian Lance Taylor  <iant@google.com>
6496
6497         * mapfile.cc: New file.
6498         * mapfile.h: New file.
6499         * options.h (class General_options): Add -M/--print-map and -Map.
6500         * options.cc (General_options::finalize): Make -M equivalent to
6501         -Map -.
6502         * main.cc: Include <cstdio> and "mapfile.h".
6503         (main): Open mapfile if requested.
6504         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6505         constructor.  Change caller.
6506         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6507         (queue_middle_tasks): Likewise.
6508         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6509         declarations.
6510         * archive.cc: Include "mapfile.h".
6511         (Archive::add_symbols): Add mapfile parameter.  Change all
6512         callers.  Pass mapfile, symbol, and reason to include_member.
6513         (Archive::include_all_members): Add mapfile parameter.  Change all
6514         callers.
6515         (Archive::include_member): Add mapfile, sym, and why parameters.
6516         Change all callers.  Report inclusion to map file.
6517         * archive.h: Include "fileread.h".
6518         (class Archive): Update declarations.
6519         (Archive::file): New const method.
6520         (class Add_archive_symbols): Add mapfile_ field.  Update
6521         constructor.  Change all callers.
6522         * readsyms.h (class Read_symbols): Likewise.
6523         (class Finish_group): Likewise.
6524         (class Read_script): Likewise.
6525         * common.cc: Include "mapfile.h".
6526         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6527         all callers.
6528         (Symbol_table::do_allocate_commons): Likewise.
6529         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6530         symbol allocation to mapfile.
6531         * common.h (class Allocate_commons_task): Add mapfile_ field.
6532         Update constructor.  Change all callers.
6533         * symtab.h (class Symbol_table): Update declarations.
6534         * layout.cc: Include "mapfile.h".
6535         (Layout_task_runner::run): Print information to mapfile.
6536         (Layout::create_gold_note): Change Output_data_fixed_space to
6537         Output_data_zero_fill.
6538         (Layout::create_build_id): Likewise.
6539         (Layout::print_to_mapfile): New function.
6540         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6541         constructor.  Change caller.
6542         (class Layout): Declare print_to_mapfile.
6543         * output.cc (Output_section::Input_section::print_to_mapfile): New
6544         function.
6545         (Output_section::add_input_section): If producing a map, always
6546         add to input_sections_ list.
6547         (Output_section::do_print_to_mapfile): New function.
6548         (Output_segment::print_sections_to_mapfile): New function.
6549         (Output_segment::print_section_list_to_mapfile): New function.
6550         * output.h: Include "mapfile.h".
6551         (Output_data::print_to_mapfile): New function.
6552         (Output_data::do_print_to_mapfile): New virtual function.
6553         (Output_segment_headers::do_print_to_mapfile): New function.
6554         (Output_file_header::do_print_to_mapfile): New function.
6555         (Output_data_const::do_print_to_mapfile): New function.
6556         (class Output_data_const_buffer): Add map_name_ field.  Update
6557         constructor.  Change all callers.  Add do_print_to_mapfile
6558         function.
6559         (class Output_data_fixed_space): Likewise.
6560         (class Output_data_space): Likewise.
6561         (class Output_data_zero_fill): New class.
6562         (Output_data_strtab::do_print_to_mapfile): New function.
6563         (Output_data_reloc_base::do_print_to_mapfile): New function.
6564         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6565         (Output_data_group::do_print_to_mapfile): New function.
6566         (Output_data_got::do_print_to_mapfile): New function.
6567         (Output_data_dynamic::do_print_to_mapfile): New function.
6568         (Output_symtab_xindex::do_print_to_mapfile): New function.
6569         (class Output_section): Declare do_print_to_mapflie.  Declare
6570         print_to_mapfile in Input_section.
6571         (class Output_segment): Declare new functions.
6572         * object.h (Sized_relobj::symbol_count): New function.
6573         * script-sections.cc
6574         (Output_section_element_dot_assignment::set_section_addresses):
6575         Change Output_data_fixed_space to Output_data_zero_fill.
6576         (Output_data_expression::do_print_to_mapfile): New function.
6577         * script.cc (read_input_script): Add mapfile parameter.  Change
6578         all callers.
6579         * script.h (read_input_script): Update declaration.
6580         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6581         (Eh_frame::do_print_to_mapfile): New function.
6582         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6583         (Output_merge_string::do_print_to_mapfile): New function.
6584         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6585         function.
6586         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6587         function.
6588         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6589         function.
6590         * Makefile.am (CCFILES): Add mapfile.cc.
6591         (HFILES): Add mapfile.h.
6592         * Makefile.in: Rebuild.
6593
6594 2008-05-19  Ian Lance Taylor  <iant@google.com>
6595
6596         * options.h (class General_options): Add -z relro.
6597         * layout.cc (Layout::Layout): Initialize relro_segment_.
6598         (Layout::add_output_section_data): Return the output section.
6599         (Layout::make_output_section): Rcognize relro sections and mark
6600         them appropriately.
6601         (Layout::attach_allocated_section_to_segment): Put relro sections
6602         in a PT_GNU_RELRO segment.
6603         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6604         section as relro.
6605         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6606         PT_TLS segments.
6607         (Layout::linkonce_mapping): Map d.rel.ro.local to
6608         .data.rel.ro.local.
6609         (Layout::output_section_name): Us .data.rel.ro.local for any
6610         section which begins with that.
6611         * layout.h (class Layout): Update add_output_section_data
6612         declaration.  Add relro_segment_ field.
6613         * output.cc (Output_section::Output_section): Initialize is_relro_
6614         and is_relro_local_ fields.
6615         (Output_segment::add_output_section): Group relro sections.
6616         (Output_segment::is_first_section_relro): New function.
6617         (Output_segment::maximum_alignment): If there is a relro section,
6618         align the segment to the common page size.
6619         (Output_segment::set_section_addresses): Track whether we are
6620         looking at relro sections.  If the last section is a relro
6621         section, align to the common page size.
6622         (Output_segment::set_section_list_addresses): Add in_relro
6623         parameter.  Change all callers.  Align to the page size when
6624         moving from relro to non-relro section.
6625         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6626         segment.
6627         * output.h (class Output_section): Add is_relro_ and
6628         is_relro_local_ fields.
6629         (Output_section::is_relro): New function.
6630         (Output_section::set_is_relro): New function.
6631         (Output_section::is_relro_local): New function.
6632         (Output_section::set_is_relro_local): New function.
6633         (class Output_segment): Update declarations.
6634         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6635         * sparc.cc (Target_sparc::got_section): Likewise.
6636         * x86_64.cc (Target_x86_64::got_section): Likewise.
6637         * testsuite/relro_test_main.cc: New file.
6638         * testsuite/relro_test.cc: New file.
6639         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6640         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6641         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6642         (relro_test.so, relro_test_pic.o): New targets.
6643         * testsuite/Makefile.in: Rebuild.
6644
6645 2008-05-16  Ian Lance Taylor  <iant@google.com>
6646
6647         * output.cc (Output_segment::add_output_section): Remove front
6648         parameter.
6649         * output.h (class Output_segment): Remove
6650         add_initial_output_section and overloaded add_output_section.
6651         Update declaration of remaining add_output_section.
6652         * layout.cc (Layout::create_interp): Call add_output_section
6653         rather than add_initial_output_section.
6654         (Layout::finish_dynamic_section): Likewise.
6655
6656         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6657         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6658         know the dynamic type.
6659         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6660         field.  Initialize it in constructor.
6661         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6662         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6663         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6664         reloc.
6665
6666         * output.cc (Output_reloc::get_address): Change return type to
6667         Elf_Addr.
6668         * output.h (class Output_reloc): Update get_address declaration.
6669         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6670         for section addresses.
6671
6672 2008-05-09  Ian Lance Taylor  <iant@google.com>
6673
6674         PR 6493
6675         * gold.cc (gold_nomem): Use return value of write.
6676
6677 2008-05-08  Ian Lance Taylor  <iant@google.com>
6678
6679         * symtab.c (Symbol::init_base_output_data): Add version
6680         parameter.  Change all callers.
6681         (Symbol::init_base_output_segment): Likewise.
6682         (Symbol::init_base_constant): Likewise.
6683         (Symbol::init_base_undefined): Likewise.
6684         (Sized_symbol::init_output_data): Likewise.
6685         (Sized_symbol::init_output_segment): Likewise.
6686         (Sized_symbol::init_constant): Likewise.
6687         (Sized_symbol::init_undefined): Likewise.
6688         (Symbol_table::do_define_in_output_data): If the new symbol has a
6689         version, mark it as the default.
6690         (Symbol_table::do_define_in_output_segment): Likewise.
6691         (Symbol_table::do_define_as_constant): Likewise.
6692         * symtab.h (class Symbol): Update declarations.
6693         (class Sized_symbol): Likewise.
6694         * resolve.cc (Symbol::override_version): New function.
6695         (Symbol::override_base): Call override_version.
6696         (Symbol::override_base_with_special): Likewise.
6697         * testsuite/ver_script_8.script: New file.
6698         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6699         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6700         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6701         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6702
6703 2008-05-06  Ian Lance Taylor  <iant@google.com>
6704
6705         PR 6049
6706         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6707         functions.
6708         (class General_options): Remove existing --undefined, and add
6709         --no-undefined instead.  Add new --undefined as synonym for -u.
6710         * archive.cc (Archive::add_symbols): Check whether symbol was
6711         named with -u.
6712         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6713         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6714         all uses.  Add IS_UNDEFINED.  Update declarations to split
6715         different versions of init_base.  Declare init_base_undefined.
6716         (Symbol::is_defined): Handle IS_UNDEFINED.
6717         (Symbol::is_undefined): Likewise.
6718         (Symbol::is_weak_undefined): Call is_undefined.
6719         (Symbol::is_absolute): Handle IS_CONSTANT.
6720         (class Sized_symbol): Update declarations to split different
6721         versions of init.  Declare init_undefined.
6722         (class Symbol_table): Declare new functions.
6723         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6724         Change all callers.
6725         (Symbol::init_base_output_data): Likewise.
6726         (Symbol::init_base_output_segment): Likewise.
6727         (Symbol::init_base_constant): Likewise.
6728         (Symbol::init_base_undefined): New function.
6729         (Sized_symbol::init_object): Rename from init.  Change all
6730         callers.
6731         (Sized_symbol::init_output_data): Likewise.
6732         (Sized_symbol::init_output_segment): Likewise.
6733         (Sized_symbol::init_constant): Likewise.
6734         (Sized_symbol::init_undefined): New function.
6735         (Symbol_table::add_undefined_symbols_from_command_line): New
6736         function.
6737         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6738         function.
6739         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6740         (Symbol::output_section): Likewise.
6741         (Symbol::set_output_section): Likewise.
6742         (Symbol_table::sized_finalize_symbol): Likewise.
6743         (Symbol_table::sized_write_globals): Likewise.
6744         * resolve.cc (Symbol_table::should_override): Likewise.
6745         (Symbol::override_base_with_special): Likewise.
6746
6747         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6748         symbol, change it to have default visibility.
6749         * testsuite/protected_1.cc: New file.
6750         * testsuite/protected_2.cc: New file.
6751         * testsuite/protected_3.cc: New file.
6752         * testsuite/protected_main_1.cc: New file.
6753         * testsuite/protected_main_2.cc: New file.
6754         * testsuite/protected_main_3.cc: New file.
6755         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6756         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6757         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6758         (protected_1.so): New target.
6759         (protected_1_pic.o, protected_2_pic.o): New targets.
6760         (protected_3_pic.o): New target.
6761         (check_PROGRAMS): Add protected_2.
6762         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6763         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6764         * testsuite/Makefile.in: Rebuild.
6765
6766         * options.h (DEFINE_var): Add set_user_set_##varname__.
6767         (DEFINE_bool_alias): New macro.
6768         (class General_options): Define -Bstatic using DEFINE_bool_alias
6769         rather than DEFINE_special.  Add --undefined as an alias for -z
6770         defs.
6771         * options.cc (General_options::parse_Bstatic): Remove.
6772
6773         * options.h (class General_options): Add --fatal-warnings.
6774         * main.cc (main): Implement --fatal-warnings.
6775         * errors.h (Errors::warning_count): New function.
6776
6777         * options.h (class General_options): Add -Bsymbolic-functions.
6778         * symtab.h (Symbol::is_preemptible): Check for
6779         -Bsymbolic-functions.
6780
6781 2008-05-05  Ian Lance Taylor  <iant@google.com>
6782
6783         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6784         as noVARNAME rather than no-VARNAME.
6785         (class General_options): Add option -z combreloc.
6786         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6787         get_address.
6788         (Output_reloc::sort_before) [SHT_REL]: New function.
6789         (Output_reloc::sort_before) [SHT_RELA]: New function.
6790         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6791         Sort_relocs_comparison.
6792         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6793         parameter.  Change all callers.
6794         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6795         sort_relocs parameter.  Change all callers.
6796         * output.cc (Output_reloc::get_address): New function, broken out
6797         of write_rel.
6798         (Output_reloc::write_rel): Call it.
6799         (Output_reloc::compare): New function.
6800         (Output_data_reloc_base::do_write): Optionally sort relocs.
6801
6802         * configure.ac: If targ_extra_obj is set, link it in.
6803         * configure.tgt: Initialize all variables.
6804         (x86_64*): Set targ_extra_obj and targ_extra_size.
6805         * configure: Rebuild.
6806
6807         * object.cc (Sized_relobj::include_section_group): Adjust section
6808         indexes read from group data.  Build vector to pass to
6809         layout_group.
6810         * layout.cc (Layout::layout_group): Add flags and shndxes
6811         parameters.  Remove contents parameter.  Change caller.  Update
6812         explicit instantiations.
6813         * layout.h (class Layout): Update layout_group declaration.
6814         * output.cc (Output_data_group::Output_data_group): Add flags and
6815         input_shndxes parameters.  Remove contents parameter.  Change
6816         caller.
6817         (Output_data_group::do_write): Change input_sections_ to
6818         input_shndxes_.
6819         * output.h (class Output_data_group): Update constructor
6820         declaration.  Rename input_sections_ to input_shndxes_.
6821         * testsuite/many_sections_test.cc: Add template.
6822
6823 2008-04-30  Cary Coutant  <ccoutant@google.com>
6824
6825         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6826
6827         * layout.cc (Layout::include_section): Refactored check for debug
6828         info section.
6829         (Layout::add_comdat): Add new parameters.  Change type
6830         of signature parameter.  Add object and shndx to signatures table.
6831         (Layout::find_kept_object): New function.
6832         * layout.h: Include <cstring>.
6833         (Layout::is_debug_info_section): New function.
6834         (Layout::add_comdat): Add new parameters.
6835         (Layout::find_kept_object): New function.
6836         (Layout::Kept_section): New struct.
6837         (Layout::Signatures): Change type of map range.
6838         * object.cc (Relobj::output_section_address): New function.
6839         (Sized_relobj::include_section_group): Add new parameters.  Change
6840         calls to Layout::add_comdat.  Change to build table of kept comdat
6841         groups and table mapping discarded sections to kept sections.
6842         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6843         (Sized_relobj::do_layout): Change calls to include_section_group and
6844         include_linkonce_section.
6845         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6846         value to zero when section is discarded.
6847         (Sized_relobj::map_to_kept_section): New function.
6848         * object.h (Relobj::output_section_address): New function.
6849         (Relobj::Comdat_group): New type.
6850         (Relobj::find_comdat_group): New function.
6851         (Relobj::Comdat_group_table): New type.
6852         (Relobj::Kept_comdat_section): New type.
6853         (Relobj::Kept_comdat_section_table): New type.
6854         (Relobj::add_comdat_group): New function.
6855         (Relobj::set_kept_comdat_section): New function.
6856         (Relobj::get_kept_comdat_section): New function.
6857         (Relobj::comdat_groups_): New field.
6858         (Relobj::kept_comdat_sections_): New field.
6859         (Symbol_value::input_value): Update comment.
6860         (Sized_relobj::map_to_kept_section) New function.
6861         (Sized_relobj::include_linkonce_section): Add new parameter.
6862         * target-reloc.h (Comdat_behavior): New type.
6863         (get_comdat_behavior): New function.
6864         (relocate_section): Add code to map a discarded section to the
6865         corresponding kept section when applying a relocation.
6866
6867 2008-04-30  Craig Silverstein  <csilvers@google.com>
6868
6869         * dwarf_reader.cc (next_generation_count): New static var.
6870         (Addr2line_cache_entry): New struct.
6871         (addr2line_cache): New static var.
6872         (Dwarf_line_info::one_addr2line): Added caching.
6873         (Dwarf_line_info::clear_addr2line_cache): New function.
6874         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6875         cache-size parameter.
6876         (Dwarf_line_info::one_addr2line_cache): New function.
6877         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6878         new cache-size argument to one_addr2line(), and clear cache.
6879
6880 2008-04-28  Cary Coutant  <ccoutant@google.com>
6881
6882         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6883         R_386_PC8 relocations.
6884
6885 2008-04-23  Ian Lance Taylor  <iant@google.com>
6886
6887         * object.cc (Sized_relobj::include_section_group): Check for
6888         invalid section group.
6889
6890         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6891         header size.
6892
6893         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6894         than read for file header.
6895         * archive.cc (Archive::include_member): Likewise.
6896
6897 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6898
6899         * aclocal.m4: Regenerate.
6900         * configure: Regenerate.
6901
6902 2008-04-19  Ian Lance Taylor  <iant@google.com>
6903
6904         * version.cc (version_string): Bump to 1.6.
6905
6906         * testsuite/Makefile.am (many_sections_r_test): New target.
6907         (many_sections_r_test_SOURCES): Remove.
6908         (many_sections_r_test_DEPENDENCIES): Remove.
6909         (many_sections_r_test_LDFLAGS): Remove.
6910         (many_sections_r_test_LDADD): Remove.
6911
6912         * object.cc (Sized_relobj::do_add_symbols): Always pass
6913         local_symbol_count_ to add_from_relobj.
6914
6915         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6916         every thousand variables.
6917         * testsuite/Makefile.in: Rebuild.
6918
6919         * object.cc (Xindex::initialize_symtab_xindex): New function.
6920         (Xindex::read_symtab_xindex): New function.
6921         (Xindex::sym_xindex_to_shndx): New function.
6922         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6923         available.
6924         (Sized_relobj::do_initialize_xindex): New function.
6925         (Sized_relobj::do_read_symbols): Adjust section links.
6926         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6927         parameter.  Change all callers.
6928         (Sized_relobj::include_section_group): Adjust section links and
6929         symbol section indexes.
6930         (Sized_relobj::do_layout): Adjust section links.
6931         (Sized_relobj::do_count_local_symbols): Adjust section links and
6932         symbol section indexes.
6933         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6934         ordinary and special symbols.
6935         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6936         dynsym_xindex parameters.  Change all callers.  Adjust section
6937         links.  Use SHN_XINDEX when needed.
6938         (Sized_relobj::get_symbol_location_info): Adjust section links.
6939         Don't get fooled by special symbols.
6940         * object.h (class Xindex): Define.
6941         (class Object): Add xindex_ parameter.  Declare virtual functoin
6942         do_initialize_xindex.
6943         (Object::adjust_sym_shndx): New function.
6944         (Object::set_xindex): New protected function.
6945         (class Symbol_value): Add is_ordinary_shndx_ field.
6946         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6947         (Symbol_value::value): Assert ordinary section.
6948         (Symbol_value::initialize_input_to_output_map): Likewise.
6949         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6950         Change all callers.
6951         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6952         all callers.
6953         (class Sized_relobj): Update declarations.
6954         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6955         parameter.  Change all callers.
6956         (Sized_relobj::adjust_shndx): New function.
6957         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6958         field.
6959         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6960         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6961         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6962         (Sized_dynobj::read_dynsym_section): Adjust section links.
6963         (Sized_dynobj::read_dynamic): Likewise.
6964         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6965         section links.
6966         (Sized_dynobj::do_initialize_xindex): New function.
6967         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6968         do_initialize_xindex.
6969         (Sized_dynobj::adjust_shndx): New function.
6970         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6971         dynsym_xindex_ fields.
6972         (Layout::finalize): Add a call to set_section_indexes before
6973         creating the symtab sections.
6974         (Layout::set_section_indexes): Don't do anything if the section
6975         already has a section index.
6976         (Layout::create_symtab_sections): Add shnum parameter.  Change
6977         caller.  Create .symtab_shndx section if needed.
6978         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6979         caller.
6980         (Layout::allocated_output_section_count): New function.
6981         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6982         needed.
6983         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6984         fields.  Update declarations.
6985         (Layout::symtab_xindex): New function.
6986         (Layout::dynsym_xindex): New function.
6987         (class Write_symbols_task): Add layout_ field.
6988         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6989         Change caller.
6990         * output.cc (Output_section_headers::Output_section_headers): Add
6991         shstrtab_section parameter.  Change all callers.
6992         (Output_section_headers::do_sized_write): Store overflow values
6993         for section count and section string table section index in
6994         section header zero.
6995         (Output_file_header::do_sized_write): Check for overflow of
6996         section count and section string table section index.
6997         (Output_symtab_xindex::do_write): New function.
6998         (Output_symtab_xindex::endian_do_write): New function.
6999         * output.h (class Output_section_headers): Add shstrtab_section_.
7000         Update declarations.
7001         (class Output_symtab_xindex): Define.
7002         (Output_section::has_out_shndx): New function.
7003         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7004         field.
7005         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7006         Change all callers.
7007         (Sized_symbol::init): Likewise.
7008         (Symbol::output_section): Check for ordinary symbol.
7009         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7010         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7011         callers.
7012         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7013         Change all callers.  Simplify handling of symbols from sections
7014         not included in the link.
7015         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7016         distinction.
7017         (Weak_alias_sorter::operator()): Assert that symbols are
7018         ordinary.
7019         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7020         distinction.
7021         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7022         parameters.  Change all callers.
7023         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7024         symbol distinction.  Use SHN_XINDEX when needed.
7025         (Symbol_table::write_section_symbol): Add symtab_xindex
7026         parameter.  Change all callers.
7027         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7028         SHN_XINDEX when needed.
7029         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7030         declarations.
7031         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7032         (Symbol::is_defined): Check is_ordinary.
7033         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7034         (Symbol::is_absolute, Symbol::is_common): Likewise.
7035         (class Sized_symbol): Update declarations.
7036         (class Symbol_table): Update declarations.
7037         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7038         parameters.  Change all callers.
7039         (Sized_symbol::override): Likewise.
7040         (Symbol_table::override): Likewise.
7041         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7042         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7043         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7044         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7045         to be in an ordinary section.
7046         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7047         object and is_ordinary parameters.  Change all callers.
7048         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7049         Change all callers.  Don't add undefined or non-ordinary symbols
7050         to reloc_map_.
7051         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7052         Change all callers.
7053         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7054         declarations.
7055         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7056         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7057         (Sized_relobj::relocate_sections): Likewise.
7058         * target-reloc.h (scan_relocs): Adjust section symbol index.
7059         (scan_relocatable_relocs): Likewise.
7060         * i386.cc (Scan::local): Check for ordinary symbols.
7061         * sparc.cc (Scan::local): Likewise.
7062         * x86_64.cc (Scan::local): Likewise.
7063         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7064         to symbol_section_and_value.
7065         * testsuite/many_sections_test.cc: New file.
7066         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7067         (check_PROGRAMS): Add many_sections_test.
7068         (many_sections_test_SOURCES): Define.
7069         (many_sections_test_DEPENDENCIES): Define.
7070         (many_sections_test_LDFLAGS): Define.
7071         (BUILT_SOURCES): Add many_sections_define.h.
7072         (many_sections_define.h): New target.
7073         (BUILT_SOURCES): Add many_sections_check.h.
7074         (many_sections_check.h): New target.
7075         (check_PROGRAMS): Add many_sections_r_test.
7076         (many_sections_r_test_SOURCES): Define.
7077         (many_sections_r_test_DEPENDENCIES): Define.
7078         (many_sections_r_test_LDFLAGS): Define.
7079         (many_sections_r_test_LDADD): Define.
7080         (many_sections_r_test.o): New target.
7081         * testsuite/Makefile.in: Rebuild.
7082
7083 2008-04-17  Cary Coutant  <ccoutant@google.com>
7084
7085         * errors.cc (Errors::info): New function.
7086         (gold_info): New function.
7087         * errors.h (Errors::info): New function.
7088         * gold.h (gold_info): New function.
7089         * object.cc (Input_objects::add_object): Print trace output.
7090         * options.cc (options::parse_set): New function.
7091         (General_options::parse_wrap): Deleted.
7092         (General_options::General_options): Deleted initializer.
7093         * options.h (options::String_set): New typedef.
7094         (options::parse_set): New function.
7095         (DEFINE_set): New macro.
7096         (General_options::wrap): Changed to use DEFINE_set. Changed
7097         callers of any_wrap_symbols and is_wrap_symbol.
7098         (General_options::trace, General_options::trace_symbol):
7099         New options.
7100         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7101         (General_options::wrap_symbols_): Deleted.
7102         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7103
7104 2008-04-17  David S. Miller  <davem@davemloft.net>
7105
7106         * options.cc (General_options::parse_V): New function.
7107         * options.h: Add entries for -V and -Qy.
7108
7109 2008-04-17  Ian Lance Taylor  <iant@google.com>
7110
7111         * common.cc (Symbol_table::allocate_commons): Remove options
7112         parameter.  Change caller.
7113         (Symbol_table::do_allocate_commons): Remove options parameter.
7114         Change caller.  Just call do_allocate_commons_list twice.
7115         (Symbol_table::do_allocate_commons_list): New function, broken out
7116         of do_allocate_commons.
7117         * common.h (class Allocate_commons_task): Remove options_ field.
7118         Update constructor.
7119         * symtab.cc (Symbol_table::Symbol_table): Initialize
7120         tls_commons_.
7121         (Symbol_table::add_from_object): Put TLS common symbols on
7122         tls_commons_ list.
7123         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7124         which are IN_OUTPUT_DATA.
7125         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7126         allocate_commons and do_allocate_commons declarations.  Declare
7127         do_allocate_commons_list.
7128         * gold.cc (queue_middle_tasks): Update creation of
7129         Allocate_commons_task to not pass options.
7130         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7131         (TLS_TEST_C_FLAGS): New variable.
7132         (tls_test_c_pic.o): New target.
7133         (tls_test_shared.so): Link in tls_test_c_pic.o.
7134         (tls_test_c_pic_ie.o): New target.
7135         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7136         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7137         (tls_test_c.o): New target.
7138         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7139         (tls_pic_test_LDADD): Likewise.
7140         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7141         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7142         (tls_test_c_gnu2.o): New target.
7143         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7144         tls_test_c_gnu2.o.
7145         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7146         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7147         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7148         * testsuite/tls_test.cc: Include "config.h".
7149         (t_last): Call t11_last.
7150         * testsuite/tls_test.h (t11, t11_last): Declare.
7151         * testsuite/tls_test_c.c: New file.
7152         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7153         * configure.ac: Check for OpenMP support.
7154         * configure, config.in, Makefile.in: Rebuild.
7155         * testsuite/Makefile.in: Rebuild.
7156
7157 2008-04-16  Cary Coutant  <ccoutant@google.com>
7158
7159         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7160         (Target_i386::tls_base_symbol_defined_): New field.
7161         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7162         (Target_i386::Scan::global): Likewise.
7163         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7164         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7165         (Target_x86_64::tls_base_symbol_defined_): New field.
7166         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7167         (Target_x86_64::Scan::global): Likewise.
7168
7169 2008-04-16  Cary Coutant  <ccoutant@google.com>
7170
7171         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7172         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7173         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7174         building shared libraries.
7175         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7176         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7177         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7178         * testsuite/Makefile.in: Rebuild.
7179         * testsuite/weak_undef.h: New file.
7180         * testsuite/weak_undef_file1.cc: Add extra test cases.
7181         * testsuite/weak_undef_file2.cc: Likewise.
7182         * testsuite/weak_undef_test.cc: Likewise.
7183
7184 2008-04-16  David S. Miller  <davem@davemloft.net>
7185
7186         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7187         Add issued_non_pic_error_ field.  Declare check_non_pic.
7188         (Target_sparc::Scan::check_non_pic): New function.
7189         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7190         (Target_sparc::Scan::global): Likewise.
7191
7192         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7193         * configure: Rebuild.
7194
7195         * options.h (DEFINE_enable): New macro.
7196         (new_dtags): New enable option.
7197         (initfirst, interpose, loadfltr, nodefaultlib,
7198         nodelete, nodlopen, nodump): New -z options.
7199         * layout.cc (Layout:finish_dynamic_section): If new
7200         dtags enabled, emit DT_RUNPATH.  Also, emit a
7201         DT_FLAGS_1 containing any specified -z flags.
7202
7203 2008-04-16  Ian Lance Taylor  <iant@google.com>
7204
7205         * copy-relocs.cc: New file.
7206         * copy-relocs.h: New file.
7207         * reloc.cc: Remove Copy_relocs code.
7208         * reloc.h: Likewise.
7209         * reloc-types.h (struct Reloc_types) [both versions]: Add
7210         get_reloc_addend_noerror.
7211         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7212         variants of add_global which take an addend which must be zero.
7213         * i386.cc: Include "copy-relocs.h".
7214         (class Target_i386): Change type of copy_relocs_ to variable,
7215         update initializer.
7216         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7217         Change all callers.
7218         (Target_i386::do_finalize_sections): Change handling of
7219         copy_relocs_.
7220         * sparc.cc: Include "copy-relocs.h".
7221         (class Target_sparc): Change type of copy_relocs_ to variable,
7222         update initializer.
7223         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7224         Change all callers.
7225         (Target_sparc::do_finalize_sections): Change handling of
7226         copy_relocs_.
7227         * x86_64.cc: Include "copy-relocs.h".
7228         (class Target_x86_64): Change type of copy_relocs_ to variable,
7229         update initializer.
7230         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7231         class.  Change all callers.
7232         (Target_x86_64::do_finalize_sections): Change handling of
7233         copy_relocs_.
7234         * Makefile.am (CCFILES): Add copy-relocs.cc.
7235         (HFILES): Add copy-relocs.h.
7236
7237         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7238
7239         * testsuite/script_test_4.sh: Permit leading zeroes.
7240
7241 2008-04-15  Ian Lance Taylor  <iant@google.com>
7242
7243         * script-sections.cc (Script_sections::create_segments): Use
7244         header_size_adjustment even when there is enough room for the
7245         headers.
7246         * testsuite/script_test_4.sh: New file.
7247         * testsuite/script_test_4.t: New file.
7248         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7249         (check_DATA): Add script_test_4.stdout.
7250         (MOSTLYCLEANFILES): Likewise.
7251         (script_test_4): New target.
7252         (script_test_4.stdout): New target.
7253         * testsuite/Makefile.in: Rebuild.
7254
7255         * sparc.cc: Add definitions for Output_data_plt_sparc class
7256         constants.
7257
7258 2008-04-14  David S. Miller  <davem@davemloft.net>
7259
7260         * sparc.cc: New file.
7261         * Makefile.am (TARGETSOURCES): Add sparc.cc
7262         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7263         * configure.tgt: Document targ_extra_size and
7264         targ_extra_big_endian.  Add entries for sparc-* and
7265         sparc64-*.
7266         * configure.ac: Handle targ_extra_size and
7267         targ_extra_big_endian.
7268         * Makefile.in: Rebuild.
7269         * configure: Likewise.
7270         * po/POTFILES.in: Likewise.
7271         * po/gold.pot: Likewise.
7272
7273 2008-04-14  Ian Lance Taylor  <iant@google.com>
7274
7275         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7276         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7277         in the name/type/flags to section mapping.  Don't call
7278         allocate_output_section.
7279         (Layout::choose_output_section): Change parameter from adjust_name
7280         to is_input_section.  Don't permit input sections after sections
7281         are attached to segments.  Don't call allocate_output_section.
7282         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7283         not write_enable_output_section.
7284         (Layout::make_output_section): Don't push to
7285         unattached_section_list_ nor call attach_to_segment.  Call
7286         attach_section_to_segment if sections are attached.
7287         (Layout::attach_sections_to_segments): New function.
7288         (Layout::attach_section_to_segment): New function.
7289         (Layout::attach_allocated_section_to_segment): Rename from
7290         attach_to_segment.  Remove flags parameter.
7291         (Layout::allocate_output_section): Remove function.
7292         (Layout::write_enable_output_section): Remove function.
7293         * layout.h (class Layout): Update for above changes.  Add new
7294         field sections_are_attached_.
7295         * output.h (Output_section::update_flags_for_input_section): New
7296         function.
7297         * output.cc (Output_section::add_input_section): Call
7298         update_flags_for_input_section.
7299         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7300
7301 2008-04-11  Cary Coutant  <ccoutant@google.com>
7302
7303         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7304         thought unnecessary.
7305         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7306
7307 2008-04-11  Ian Lance Taylor  <iant@google.com>
7308
7309         * output.h (class Output_section_data): Remove inline definition
7310         of set_addralign.
7311         * output.cc (Output_section_data::set_addralign): New function.
7312
7313 2008-04-11  Cary Coutant  <ccoutant@google.com>
7314
7315         Add support for TLS descriptors for i386 and x86_64.
7316         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7317         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7318         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7319         GOT_TYPE_TLS_DESC.
7320         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7321         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7322         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7323         relocations.
7324         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7325         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7326         Fix problem with initial-exec relocations.
7327         (Target_i386::Relocate::relocate_tls): Likewise.
7328         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7329         relaxation.
7330         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7331         support for section-plus-offset dynamic table entries.
7332         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7333         (Output_data_dynamic::Dynamic_entry): Add support for
7334         section-plus-offset dynamic table entries.
7335         (Output_data_dynamic::Classification): Likewise.
7336         (Output_data_dynamic::classification_): Renamed offset_.
7337         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7338         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7339         (Target_x86_64::make_plt_section): New function.
7340         (Target_x86_64::reserve_tlsdesc_entries): New function.
7341         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7342         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7343         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7344         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7345         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7346         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7347         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7348         add extra PLT entry for TLS descriptors.
7349         (Output_data_plt_x86_64::got_): New field.
7350         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7351         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7352         fields.
7353         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7354         descriptors.
7355         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7356         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7357         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7358         R_386_TLS_DESC_CALL relocations.
7359         (Target_x86_64::Scan::global): Likewise.
7360         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7361         for TLS descriptors.
7362         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7363         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7364         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7365         GD-to-IE relaxation.
7366         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7367         and TLS_DESCRIPTORS.
7368         * Makefile.in: Rebuild.
7369         * configure: Rebuild.
7370         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7371         (tls_test_shared2.so): New target.
7372         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7373         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7374         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7375         (tls_shared_gd_to_ie_test_LDADD): New variable.
7376         (tls_shared_gnu2_gd_to_ie_test): New target.
7377         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7378         New targets.
7379         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7380         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7381         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7382         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7383         (tls_shared_gnu2_test): New target.
7384         (tls_test_gnu2_shared.so): New target.
7385         (tls_shared_gnu2_test_SOURCES): New variable.
7386         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7387         (tls_shared_gnu2_test_LDFLAGS): New variable.
7388         (tls_shared_gnu2_test_LDADD): New variable.
7389         * testsuite/Makefile.in: Rebuild.
7390         * testsuite/Makefile.
7391
7392 2008-04-11  Ian Lance Taylor  <iant@google.com>
7393
7394         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7395         justsyms.t.
7396         * testsuite/Makefile.in: Rebuild.
7397
7398         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7399         long.
7400         * testsuite/script_test_2.cc (main): Adjust test.
7401
7402 2008-04-11  David S. Miller  <davem@davemloft.net>
7403             Ian Lance Taylor  <iant@google.com>
7404
7405         * options.h (General_options): Add entries for '-Y' and
7406         '-relax'.
7407         * options.cc (General_options:finalize): If -Y was used, add those
7408         entries to the library path instead of the default "/lib" and
7409         "/usr/lib".
7410
7411 2008-04-11  David S. Miller  <davem@davemloft.net>
7412
7413         * testsuite/justsyms.t: Start at 0x100.
7414         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7415         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7416         long.
7417         * testsuite/script_test_2.cc: Adjust string and section length
7418         checks.
7419
7420 2008-04-09  Ian Lance Taylor  <iant@google.com>
7421
7422         PR gold/5996
7423         * script-sections.cc (Sections_element::allocate_to_segment): Add
7424         orphan parameter.
7425         (Output_section_definition::allocate_to_segment): Likewise.
7426         (Orphan_output_section::allocate_to_segment): Likewise.
7427         (Script_sections::attach_sections_using_phdrs_clause): Don't
7428         propagate non-PT_LOAD segments to orphan sections.
7429         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7430         readelf rather than objdump.
7431         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7432         .interp section and PT_INTERP segment are the same size.
7433         * testsuite/Makefile.in: Rebuild.
7434
7435         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7436         aliases for symbols defined in the same object.
7437         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7438         (weak_alias_test_SOURCES): New variable.
7439         (weak_alias_test_DEPENDENCIES): New variable.
7440         (weak_alias_test_LDFLAGS): New variable.
7441         (weak_alias_test_LDADD): New variable.
7442         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7443         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7444         (weak_alias_test_3.o): New target.
7445         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7446         * testsuite/weak_alias_test_main.cc: New file.
7447         * testsuite/weak_alias_test_1.cc: New file.
7448         * testsuite/weak_alias_test_2.cc: New file.
7449         * testsuite/weak_alias_test_3.cc: New file.
7450
7451 2008-04-08  Ian Lance Taylor  <iant@google.com>
7452
7453         * options.h (class General_options): Add --noinhibit-exec option.
7454         * main.cc (main): Check --noinhibit-exec.
7455
7456         * options.h (class General_options): Define --wrap as a special
7457         option.  Add wrap_symbols_ field.
7458         (General_options::any_wrap_symbols): New function.
7459         (General_options::is_wrap_symbol): New function.
7460         * options.cc (General_options::parse_wrap): New function.
7461         (General_options::General_options): Initialize wrap_symbols_.
7462         * symtab.cc (Symbol_table::wrap_symbol): New function.
7463         (Symbol_table::add_from_object): Handle --wrap.
7464         * symtab.h (class Symbol_table): Declare wrap_symbol.
7465         * target.h (Target::wrap_char): New function.
7466         (Target::Target_info): Add wrap_char field.
7467         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7468         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7469         * testsuite/testfile.cc (Target_test::test_target_info):
7470         Likewise.
7471
7472         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7473         there is one.
7474
7475         * layout.h (class Layout): Add added_eh_frame_data_ field.
7476         * layout.cc (Layout::Layout): Initialize new field.
7477         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7478         output section until we find a section we merged successfully.
7479         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7480         that the size be non-zero.
7481
7482         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7483         qualifier.
7484
7485 2008-04-08  Craig Silverstein  <csilvers@google.com>
7486
7487         * configure.ac: Export new conditional variable HAVE_ZLIB.
7488         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7489         on HAVE_ZLIB.
7490         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7491         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7492
7493 2008-04-07  Ian Lance Taylor  <iant@google.com>
7494
7495         * version.cc (version_string): Set to "1.5".
7496
7497         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7498         Add issued_non_pic_error_ field.  Declare check_non_pic.
7499         (Target_x86_64::Scan::check_non_pic): New function.
7500         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7501         (Target_x86_64::Scan::global): Likewise.
7502
7503         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7504         addend parameter.  Change caller.  Handle merge sections.
7505         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7506         Address to Addend.  Don't add in the result of
7507         local_section_offset, pass down the addend and use the returned
7508         value.
7509         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7510         Update declarations of local_section_offset and symbol_value.
7511         * testsuite/two_file_test_1.cc (t18): New function.
7512         * testsuite/two_file_test_2.cc (f18): New function.
7513         * testsuite/two_file_test_main.cc (main): Call t18.
7514         * testsuite/two_file_test.h (t18, f18): Declare.
7515
7516         * configure.ac: Don't test for objdump, c++filt, or readelf.
7517         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7518         conditionals.
7519         (TEST_READELF): New variable.
7520         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7521         (check_PROGRAMS): Add two_file_strip_test.
7522         (two_file_strip_test): New target.
7523         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7524         (two_file_same_shared_strip_test_SOURCES): New variable.
7525         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7526         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7527         (two_file_same_shared_strip_test_LDADD): New variable.
7528         (two_file_shared_strip.so): New target.
7529         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7530         (ver_test_5.syms, ver_test_7.syms): Likewise.
7531         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7532         (strip_test_3.stdout): Use TEST_OBJDUMP.
7533         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7534
7535 2008-04-04  Cary Coutant  <ccoutant@google.com>
7536
7537         * symtab.h (Symbol::is_weak_undefined): New function.
7538         (Symbol::is_strong_undefined): New function.
7539         (Symbol::is_absolute): New function.
7540         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7541         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7542         absolute symbols.
7543         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7544         (weak_undef_test): New target.
7545         * testsuite/Makefile.in: Rebuild.
7546         * testsuite/weak_undef_file1.cc: New file.
7547         * testsuite/weak_undef_file2.cc: New file.
7548         * testsuite/weak_undef_test.cc: New file.
7549
7550 2008-04-03  Craig Silverstein  <csilvers@google.com>
7551
7552         * compressed_output.h (class Output_compressed_section): Use
7553         unsigned buffer.
7554         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7555         add zlib header.
7556         (zlib_compressed_suffix): Removed.
7557         (Output_compressed_section::set_final_data_size): Use unsigned
7558         buffers.
7559         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7560         Fix linker invocation.
7561         (flagstest_o_specialfile_and_compress_debug_sections):
7562         Likewise.
7563         * testsuite/Makefile.in: Regenerated.
7564
7565 2008-04-02  David S. Miller  <davem@davemloft.net>
7566
7567         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7568         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7569
7570 2008-04-02  Craig Silverstein  <csilvers@google.com>
7571
7572         * TODO: New file.
7573
7574 2008-04-02  Ian Lance Taylor  <iant@google.com>
7575
7576         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7577         parameters.  Update for new key type to views_.  Change all
7578         callers.
7579         (File_read::read): Adjust for byteshift in returned view.
7580         (File_read::add_view): New function, broken out of
7581         find_and_make_view.
7582         (File_read::make_view): New function, broken out of
7583         find_and_make_view.
7584         (File_read::find_or_make_view): Add offset and aligned
7585         parameters.  Rewrite accordingly.  Change all callers.
7586         (File_read::get_view): Add offset and aligned parameters.  Adjust
7587         for byteshift in return value.
7588         (File_read::get_lasting_view): Likewise.
7589         * fileread.h (class File_read): Update declarations.
7590         (class File_read::View): Add byteshift_ field.  Add byteshift to
7591         constructor.  Add byteshift method.
7592         * archive.h (Archive::clear_uncached_views): New function.
7593         (Archive::get_view): Add aligned parameter.  Change all callers.
7594         * object.h (Object::get_view): Add aligned parameter.  Change all
7595         callers.
7596         (Object::get_lasting_view): Likewise.
7597
7598         * fileread.cc (File_read::release): Don't call clear_views if
7599         there are multiple objects.
7600         * fileread.h (File_read::clear_uncached_views): New function.
7601         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7602         on the archive.
7603
7604 2008-03-31  Cary Coutant  <ccoutant@google.com>
7605
7606         Add thin archive support.
7607         * archive.cc (Archive::armagt): New const.
7608         (Archive::setup): Remove task parameter and calls to unlock.
7609         (Archive::unlock_nested_archives): New function.
7610         (Archive::read_header): Add nested_off parameter. Change
7611         all callers.
7612         (Archive::interpret_header): Likewise.
7613         (Archive::include_all_members): Change to handle thin
7614         archives.
7615         (Archive::include_member): Likewise.
7616         * archive.h (Archive::Archive): Add new parameters and
7617         initializers.
7618         (Archive::armagt): New const.
7619         (Archive::setup): Remove task parameter.
7620         (Archive::unlock_nested_archives): New function.
7621         (Archive::read_header): Add nested_off parameter.
7622         (Archive::interpret_header): Likewise.
7623         (Archive::Nested_archive_table): New typedef.
7624         (Archive::is_thin_archive_): New field.
7625         (Archive::nested_archives_): New field.
7626         (Archive::options_): New field.
7627         (Archive::dirpath_): New field.
7628         (Archive::task_): New field.
7629         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7630         for thin archives.  Pass additional parameters to
7631         Archive::Archive.  Unlock the archive file after calling
7632         Archive::setup.
7633
7634 2008-03-29  Ian Lance Taylor  <iant@google.com>
7635
7636         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7637         version symbol to be local.
7638         * testsuite/ver_test_4.sh: New file.
7639         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7640         (check_DATA): Add ver_test_4.syms.
7641         (ver_test_4.syms): New target.
7642         * testsuite/Makefile.in: Rebuild.
7643
7644         * output.cc
7645         (Output_section::Input_section_sort_entry::has_priority): New
7646         function.
7647         (Output_section::Input_section_sort_entry::match_file_name): New
7648         function.
7649         (Output_section::Input_section_sort_entry::match_section_name):
7650         Remove.
7651         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7652         Remove.
7653         (Output_section::Input_section_sort_entry::match_section_file):
7654         Remove.
7655         (Output_section::Input_section_sort_compare::operator()): Rewrite
7656         using new Input_section_sort_entry functions.  Sort crtbegin and
7657         crtend first.  Sort sections with no priority before sections with
7658         a priority.
7659         * testsuite/initpri1.c (d3): Check j != 4.
7660         (cd5): New constructor/destructor function.
7661         (main): Check j != 2.
7662
7663         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7664         new symbol when resolving, don't call set_is_default.
7665         * testsuite/ver_test_7.cc: New file.
7666         * testsuite/ver_test_7.sh: New file.
7667         * testsuite/Makefile.am (ver_test_7.so): New target.
7668         (ver_test_7.o): New target.
7669         (check_SCRIPTS): Add ver_test_7.sh.
7670         (check_DATA): Add ver_test_7.syms.
7671         (ver_test_7.syms): New target.
7672
7673 2008-03-28  Ian Lance Taylor  <iant@google.com>
7674
7675         * layout.cc (Layout::layout): If we see an input section with a
7676         name that needs sorting, set the must_sort flag for the output
7677         section.
7678         (Layout::make_output_section): If the name of the output section
7679         indicates that it might require sorting, set the may_sort flag.
7680         * output.h (Output_section::may_sort_attached_input_sections): New
7681         function.
7682         (Output_section::set_may_sort_attached_input_sections): New
7683         function.
7684         (Output_section::must_sort_attached_input_sections): New
7685         function.
7686         (Output_section::set_must_sort_attached_input_sections): New
7687         function.
7688         (class Output_section): Declare Input_section_sort_entry.  Define
7689         Input_section_sort_compare.  Declare
7690         sort_attached_input_sections.  Add new fields:
7691         may_sort_attached_input_sections_,
7692         must_sort_attached_input_sections_,
7693         attached_input_sections_are_sorted_.
7694         * output.cc (Output_section::Output_section): Initialize new
7695         fields.
7696         (Output_section::add_input_section): Add an entry to
7697         input_sections_ if may_sort or must_sort are true.
7698         (Output_section::set_final_data_size): Call
7699         sort_attached_input_sections if necessary.
7700         (Output_section::Input_section_sort_entry): Define new class.
7701         (Output_section::Input_section_sort_compare::operator()): New
7702         function.
7703         (Output_section::sort_attached_input_sections): New function.
7704         * configure.ac: Check whether the compiler supports constructor
7705         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7706         * testsuite/initpri1.c: New file.
7707         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7708         CONSTRUCTOR_PRIORITY.
7709         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7710         (initpri1_LDFLAGS): New variable.
7711         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7712
7713 2008-03-27  Ian Lance Taylor  <iant@google.com>
7714
7715         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7716         * testsuite/common_test_1.c: New file.
7717         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7718         (common_test_1_SOURCES): New variable.
7719         (common_test_1_DEPENDENCIES): New variable.
7720         (common_test_1_LDFLAGS): New variable.
7721
7722         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7723         and commons_ correctly when NAME/VERSION does not override
7724         NAME/NULL.
7725         * testsuite/ver_test_6.c: New file.
7726         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7727         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7728         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7729
7730 2008-03-26  Ian Lance Taylor  <iant@google.com>
7731
7732         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7733         of an undefined symbol from a version script.
7734         * testsuite/Makefile.am (ver_test_5.so): New target.
7735         (ver_test_5.o): New target.
7736         (check_SCRIPTS): Add ver_test_5.sh.
7737         (check_DATA): Add ver_test_5.syms.
7738         (ver_test_5.syms): New target.
7739         * testsuite/ver_test_5.cc: New file.
7740         * testsuite/ver_test_5.script: New file.
7741         * testsuite/ver_test_5.sh: New file.
7742         * Makefile.in, testsuite/Makefile.in: Rebuild.
7743
7744         PR gold/5986
7745         Fix problems building gold with gcc 4.3.0.
7746         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7747         (gold_error_at_location, gold_warning_at_location): Use it.
7748         * configure.ac: Check whether we can compile and use a template
7749         function with a printf attribute.
7750         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7751         when jumping over bytes.
7752         * object.cc: Instantiate Object::read_section_data.
7753         * debug.h: Include <cstring>
7754         * dwarf_reader.cc: Include <algorithm>
7755         * main.cc: Include <cstring>.
7756         * options.cc: Include <cstring>.
7757         * output.cc: Include <cstring>.
7758         * script.cc: Include <cstring>.
7759         * script.h: Include <string>.
7760         * symtab.cc: Include <cstring> and <algorithm>.
7761         * target-select.cc: Include <cstring>.
7762         * version.cc: Include <string>.
7763         * testsuite/testmain.cc: Include <cstdlib>.
7764         * configure, config.in: Rebuild.
7765
7766 2008-03-25  Ian Lance Taylor  <iant@google.com>
7767
7768         * options.cc: Include "../bfd/bfdver.h".
7769         (options::help): Print bug reporting address.
7770
7771         * version.cc (print_version): Adjust output for current value of
7772         BFD_VERSION_STRING.
7773
7774         * NEWS: New file.
7775
7776         * options.cc (options::help): Print list of supported targets.
7777         * target-select.h: Include <vector>.
7778         (class Target_selector): Make machine_, size_, and is_big_endian_
7779         fields const.  Add bfd_name_ and instantiated_target_ fields.
7780         (Target_selector::Target_selector): Add bfd_name parameter.
7781         (Target_selector::recognize): Make non-virtual, call
7782         do_recognize.
7783         (Target_selector::recognize_by_name): Make non-virtual, call
7784         do_recognize_by_name.
7785         (Target_selector::supported_names): New function.
7786         (Target_selector::bfd_name): New function.
7787         (Target_selector::do_instantiate_target): New pure virtual
7788         function.
7789         (Target_selector::do_recognize): New virtual function.
7790         (Target_selector::do_recognize_by_name): New virtual function.
7791         (Target_selector::instantiate_target): New private function.
7792         (supported_target_names): Declare.
7793         * target-select.cc (Target_selector::Target_selector): Update for
7794         new parameter and fields.
7795         (select_target_by_name): Check that the name matches before
7796         calling recognize_by_name.
7797         (supported_target_names): New function.
7798         * i386.cc (class Target_selector_i386): Update Target_selector
7799         constructor call.  Remove recognize and recognize_by_name.  Add
7800         do_instantiate_target.
7801         * x86_64.cc (class Target_selector_x86_64): Likewise.
7802         * testsuite/testfile.cc (class Target_selector_test): Update for
7803         changes to Target_selector.
7804
7805         * README: Rewrite, with some notes on unsupported features.
7806
7807 2008-03-24  Cary Coutant  <ccoutant@google.com>
7808
7809         * i386.cc (Target_i386::Got_type): New enum declaration.
7810         (Target_i386::Scan::local): Updated callers of Output_data_got
7811         member functions.
7812         (Target_i386::Scan::global): Likewise.
7813         (Target_i386::Relocate::relocate): Likewise.
7814         (Target_i386::Relocate::relocate_tls): Likewise.
7815         * object.h (Got_offset_list): New class.
7816         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7817         (Sized_relobj::local_got_offset): Likewise.
7818         (Sized_relobj::set_local_got_offset): Likewise.
7819         (Sized_relobj::local_has_tls_got_offset): Removed.
7820         (Sized_relobj::local_tls_got_offset): Removed.
7821         (Sized_relobj::set_local_tls_got_offset): Removed.
7822         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7823         * output.cc (Output_data_got::add_global): Added got_type parameter.
7824         (Output_data_got::add_global_with_rel): Likewise.
7825         (Output_data_got::add_global_with_rela): Likewise.
7826         (Output_data_got::add_global_pair_with_rel): New function.
7827         (Output_data_got::add_global_pair_with_rela): New function.
7828         (Output_data_got::add_local): Added got_type parameter.
7829         (Output_data_got::add_local_with_rel): Likewise.
7830         (Output_data_got::add_local_with_rela): Likewise.
7831         (Output_data_got::add_local_pair_with_rel): New function.
7832         (Output_data_got::add_local_pair_with_rela): New function.
7833         (Output_data_got::add_global_tls): Removed.
7834         (Output_data_got::add_global_tls_with_rel): Removed.
7835         (Output_data_got::add_global_tls_with_rela): Removed.
7836         (Output_data_got::add_local_tls): Removed.
7837         (Output_data_got::add_local_tls_with_rel): Removed.
7838         (Output_data_got::add_local_tls_with_rela): Removed.
7839         * output.h (Output_data_got::add_global): Added got_type parameter.
7840         (Output_data_got::add_global_with_rel): Likewise.
7841         (Output_data_got::add_global_with_rela): Likewise.
7842         (Output_data_got::add_global_pair_with_rel): New function.
7843         (Output_data_got::add_global_pair_with_rela): New function.
7844         (Output_data_got::add_local): Added got_type parameter.
7845         (Output_data_got::add_local_with_rel): Likewise.
7846         (Output_data_got::add_local_with_rela): Likewise.
7847         (Output_data_got::add_local_pair_with_rel): New function.
7848         (Output_data_got::add_local_pair_with_rela): New function.
7849         (Output_data_got::add_global_tls): Removed.
7850         (Output_data_got::add_global_tls_with_rel): Removed.
7851         (Output_data_got::add_global_tls_with_rela): Removed.
7852         (Output_data_got::add_local_tls): Removed.
7853         (Output_data_got::add_local_tls_with_rel): Removed.
7854         (Output_data_got::add_local_tls_with_rela): Removed.
7855         * resolve.cc (Symbol::override_base_with_special): Removed
7856         reference to has_got_offset_ field.
7857         * symtab.cc (Symbol::init_fields): Replaced initialization
7858         of got_offset_ with got_offsets_.  Removed initialization
7859         of has_got_offset_
7860         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7861         (Symbol::got_offset): Likewise.
7862         (Symbol::set_got_offset): Likewise.
7863         (Symbol::has_tls_got_offset): Removed.
7864         (Symbol::tls_got_offset): Removed.
7865         (Symbol::set_tls_got_offset): Removed.
7866         (Symbol::got_offset_): Removed.
7867         (Symbol::tls_mod_got_offset_): Removed.
7868         (Symbol::tls_pair_got_offset_): Removed.
7869         (Symbol::got_offsets_): New field.
7870         (Symbol::has_got_offset): Removed.
7871         (Symbol::has_tls_mod_got_offset): Removed.
7872         (Symbol::has_tls_pair_got_offset): Removed.
7873         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7874         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7875         member functions.
7876         (Target_x86_64::Scan::global): Likewise.
7877         (Target_x86_64::Relocate::relocate): Likewise.
7878         (Target_x86_64::Relocate::relocate_tls): Likewise.
7879
7880 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7881
7882         * yyscript.y: Fix spelling error in comment.
7883
7884 2008-03-24  Ian Lance Taylor  <iant@google.com>
7885
7886         * options.h (class General_options): Define build_id option.
7887         * layout.h (class Layout): Declare write_build_id, create_note,
7888         create_build_id.  Add build_id_note_ member.
7889         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7890         "libiberty.h", "md5.h", "sha1.h".
7891         (Layout::Layout): Initialize eh_frame_data_,
7892         eh_frame_hdr_section_, and build_id_note_.
7893         (Layout::finalize): Call create_build_id.
7894         (Layout::create_note): New function, broken out of
7895         Layout::create_gold_note.
7896         (Layout::create_gold_note): Call create_note.
7897         (Layout::create_build_id): New function.
7898         (Layout::write_build_id): New function.
7899         (Close_task_runner::run): Call write_build_id.
7900
7901         * x86_64.cc: Correct license to GPLv3.
7902
7903 2008-03-23  Ian Lance Taylor  <iant@google.com>
7904
7905         * options.cc: Include "demangle.h".
7906         (parse_optional_string): New function.
7907         (parse_long_option): Handle takes_optional_argument.
7908         (parse_short_option): Update dash_z initializer.  Handle
7909         takes_optional_argument.
7910         (General_options::General_options): Initialize do_demangle_.
7911         (General_options::finalize): Set do_demangle_.  Handle demangling
7912         style.
7913         * options.h (parse_optional_string): Declare.
7914         (struct One_option): Add optional_arg field.  Update constructor.
7915         Update call constructor calls.  Add takes_optional_argument
7916         function.
7917         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7918         (DEFINE_optional_string): Define.
7919         (General_options::demangle): Change from DEFINE_bool to
7920         DEFINE_optional_string.
7921         (General_options::no_demangle): New function.
7922         (General_options::do_demangle): New function.
7923         (General_options::set_do_demangle): New function.
7924         (General_options::execstack_status_): Move definition to end of
7925         class definition.
7926         (General_options::static_): Likewise.
7927         (General_options::do_demangle_): New field.
7928         * object.cc (big_endian>::get_symbol_location_info): Call
7929         Options::do_demangle, not Options::demangle.
7930         * symtab.cc (demangle): Likewise.
7931
7932 2008-03-22  Ian Lance Taylor  <iant@google.com>
7933
7934         * gold.h: Include <cstddef> and <sys/types.h>
7935         * options.h: Include <cstring>.
7936
7937 2008-03-21  Ian Lance Taylor  <iant@google.com>
7938
7939         * Added source code to GNU binutils.