PR gold/11658
[external/binutils.git] / gold / ChangeLog
1 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
2
3         PR gold/11658
4         * output.cc
5         (Output_section::Input_section_sort_entry::compare_section_ordering):
6         Change to return non-zero correctly.
7         (Output_section::Input_section_sort_section_order_index_compare
8         ::operator()): Change to fix ambiguity in comparisons.
9
10 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
11
12         * gold.h (is_wildcard_string): New function.
13         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
14         (Layout::layout_eh_frame): Ditto.
15         (Layout::find_section_order_index): New method.
16         (Layout::read_layout_from_file): New method.
17         * layout.h (Layout::find_section_order_index): New method.
18         (Layout::read_layout_from_file): New method.
19         (Layout::input_section_position_): New private member.
20         (Layout::input_section_glob_): New private member.
21         * main.cc (main): Call read_layout_from_file here.
22         * options.h (--section-ordering-file): New option.
23         * output.cc (Output_section::input_section_order_specified_): New
24         member.
25         (Output_section::Output_section): Initialize new member.
26         (Output_section::add_input_section): Add new parameter.
27         Keep input sections when --section-ordering-file is used.
28         (Output_section::set_final_data_size): Sort input sections when
29         section ordering file is specified.
30         (Output_section::Input_section_sort_entry): Add new parameter.
31         Check sorting type.
32         (Output_section::Input_section_sort_entry::compare_section_ordering):
33         New method.
34         (Output_section::Input_section_sort_compare::operator()): Change to
35         consider section_order_index.
36         (Output_section::Input_section_sort_init_fini_compare::operator()):
37         Change to consider section_order_index.
38         (Output_section::Input_section_sort_section_order_index_compare
39         ::operator()): New method.
40         (Output_section::sort_attached_input_sections): Change to sort
41         according to section order when specified.
42         (Output_section::add_input_section<32, true>): Add new parameter. 
43         (Output_section::add_input_section<64, true>): Add new parameter. 
44         (Output_section::add_input_section<32, false>): Add new parameter. 
45         (Output_section::add_input_section<64, false>): Add new parameter. 
46         * output.h (Output_section::add_input_section): Add new parameter.
47         (Output_section::input_section_order_specified): New
48         method.
49         (Output_section::set_input_section_order_specified): New method.
50         (Input_section::Input_section): Initialize section_order_index_.
51         (Input_section::section_order_index): New method.
52         (Input_section::set_section_order_index): New method.
53         (Input_section::section_order_index_): New member.
54         (Input_section::Input_section_sort_section_order_index_compare): New
55         struct.
56         (Output_section::input_section_order_specified_): New member.
57         * script-sections.cc (is_wildcard_string): Delete and move modified
58         method to gold.h.
59         (Output_section_element_input::Output_section_element_input): Modify
60         call to is_wildcard_string.
61         (Output_section_element_input::Input_section_pattern
62         ::Input_section_pattern): Ditto.
63         (Output_section_element_input::Output_section_element_input): Ditto.
64         * testsuite/Makefile.am (final_layout): New test case.
65         * testsuite/Makefile.in: Regenerate.
66         * testsuite/final_layout.cc: New file.
67         * testsuite/final_layout.sh: New file.
68
69 2010-06-01  Rafael Espindola  <espindola@google.com>
70
71         * plugin.cc (Plugin::load): Pass the output name to the plugin.
72
73 2010-06-01  Rafael Espindola  <espindola@google.com>
74
75         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
76         visibility of symbols.
77
78 2010-05-27  Doug Kwan  <dougkwan@google.com>
79
80         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
81         from start of output section instead of address for a local symbol
82         in a merged or relaxed section when doing a relocatable link.
83
84 2010-05-26  Rafael Espindola  <espindola@google.com>
85
86        PR 11604
87         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
88         adding sections the garbage collector removed.
89         * gold/testsuite/Makefile.am: Add test.
90         * gold/testsuite/Makefile.in: Regenerate.
91         * gold/testsuite/plugin_test_7.sh: New.
92         * gold/testsuite/plugin_test_7_1.c: New.
93         * gold/testsuite/plugin_test_7_2.c: New.
94
95 2010-05-26  Rafael Espindola  <espindola@google.com>
96
97         * script-sections.cc (Output_section_definition::set_section_addresses):
98         Check for --section-start.
99
100 2010-05-26  Doug Kwan  <dougkwan@google.com>
101
102         * arm.cc (Arm_scan_relocatable_relocs): New class.
103         (Target_arm::relocate_special_relocatable): New method.
104         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
105         (Arm_relocate_functions::thumb_branch_common): Same.
106         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
107         instead of Default_scan_relocatable_relocs.
108         * target-reloc.h (relocate_for_relocatable): Let target handle
109         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
110         * target.h (Sized_target::relocate_special_relocatable): New method.
111
112 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
113
114         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
115
116 2010-05-23  Doug Kwan  <dougkwan@google.com>
117
118         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
119         instead of a cast.
120         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
121         with a direct branch, not a conditional branch, to a stub.
122         * merge.cc (Output_merge_base::record_input_section): New method
123         defintion.
124         (Output_merge_data::do_add_input_section): Record input section if
125         keeps-input-sections flag is set.
126         (Output_merge_string::do_add_input_section): Ditto.
127         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
128         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
129         INPUT_SECTIONS_.
130         (Output_merge_base::keeps_input_sections,
131         Output_merge_base::set_keeps_input_sections,
132         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
133         method definitions.
134         (Output_merge_base::Input_sections): New type declaration.
135         (Output_merge_base::input_sections_begin,
136         Output_merge_base::input_sections_end,
137         Output_merge_base::do_set_keeps_input_sections): New method definitions.
138         (Output_merge_base::bool keeps_input_sections_,
139         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
140         Output_merge_base::input_sections_): New data members.
141         (Output_merge_data::do_set_keeps_input_sections): New method
142         defintion.
143         (Output_merge_string::do_set_keeps_input_sections): Ditto.
144         * output.cc (Output_section::Input_section::relobj): Move method
145         defintion from class declaration to here and handle merge sections.
146         (Output_section::Input_section::shndx): Ditto.
147         (Output_section::Output_section): Remove initializations of removed
148         data members and initialize new data member LOOKUP_MAPS_.
149         (Output_section::add_input_section): Set keeps-input-sections flag
150         for a newly created merge output section as appropriate.  Adjust code
151         to use Output_section_lookup_maps class.
152         (Output_section::add_relaxed_input_section): Adjst code for lookup
153         maps code refactoring.
154         (Output_section::add_merge_input_section): Add a new parameter
155         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
156         class.  If adding input section to a newly created merge output
157         section fails, remove the new merge section.
158         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
159         Adjust code for use of the Output_section_lookup_maps class. 
160         (Output_section::find_merge_section): Ditto.
161         (Output_section::build_lookup_maps): New method defintion.
162         (Output_section::find_relaxed_input_section): Adjust code to use
163         Output_section_lookup_maps class.
164         (Output_section::get_input_sections): Export merge sections.  Adjust
165         code to use Output_section_lookup_maps class.
166         (Output_section:::add_script_input_section): Adjust code to use
167         Output_section_lookup_maps class.  Update lookup maps for merge
168         sections also.
169         (Output_section::discard_states): Use Output_section_lookup_maps.
170         (Output_section::restore_states): Same.
171         * output.h (Merge_section_properties): Move class defintion out of
172         Output_section.
173         (Output_section_lookup_maps): New class.
174         (Output_section::Input_section::is_merge_section): New method
175         defintion.
176         (Output_section::Input_section::relobj): Move defintion out of class
177         defintion.  Declare method only.
178         (Output_section::Input_section::shndx): Ditto.
179         (Output_section::Input_section::output_merge_base): New method defintion.
180         (Output_section::Input_section::u2_.pomb): New union field.
181         (Output_section::Merge_section_by_properties_map,
182         Output_section::Output_section_data_by_input_section_map,
183         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
184         Remove types.
185         (Output_section::add_merge_input_section): Add new parameter
186         KEEPS_INPUT_SECTIONS.
187         (Output_section::build_lookup_maps): New method declaration.
188         (Output_section::merge_section_map_,
189         Output_section::merge_section_by_properties_map_,
190         Output_section::relaxed_input_section_map_,
191         Output_section::is_relaxed_input_section_map_valid_): Remove data
192         members.
193         (Output_section::lookup_maps_): New data member.
194
195 2010-05-21  Doug Kwan  <dougkwan@google.com>
196
197         PR gold/11619
198         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
199         avoid a compilation error.
200
201 2010-05-19  Rafael Espindola  <espindola@google.com>
202
203         * script-sections.cc (Output_section_definition::allocate_to_segment):
204         Update the phdrs_list even when the output section is NULL.
205         * testsuite/Makefile.am: Add test.
206         * testsuite/Makefile.in: Regenerate.
207         * testsuite/script_test_9.cc: New.
208         * testsuite/script_test_9.sh: New.
209         * testsuite/script_test_9.t: New.
210
211 2010-05-19  Doug Kwan  <dougkwan@google.com>
212
213         * arm.cc (Arm_input_section::original_size): New method.
214         (Arm_input_section::do_addralign): Add a cast.
215         (Arm_input_section::do_output_offset): Remove static cast.
216         (Arm_input_section::original_addralign,
217          Arm_input_section::original_size_): Change type to uint32_t.
218         (Arm_input_section::init): Add safe casts for section alignment
219         and size.
220         (Arm_input_section::set_final_data_size): Do not set address and
221         offset of stub table.
222         (Arm_output_section::fix_exidx_coverage): Change use of of
223         Output_section::Simple_input_section to that of
224         Output_section::Input_section.
225         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
226         except for the first pass.
227         * output.cc (Output_section::get_input_sections): Change type of
228         input_sections to std::list<Input_section>.
229         (Output_section::add_script_input_section): Rename from
230         Output_section::add_simple_input_section.  Change type of SIS
231         parameter from Simple_input_section to Input_section.
232         * output.h (Output_section::Simple_input_section): Remove class.
233         (Output_section::Input_section): Change class visibility to public.
234         (Output_section::Input_section::addralign): Use stored alignments
235         for special input sections if set.
236         (Output_section::Input_section::set_addralign): New method.
237         (Output_section::get_input_sections): Change parameter type from
238         list of Simple_input_section to list of Input_section.
239         (Output_section::add_script_input_section): Rename from
240         Output_section::add_simple_input_section. Change first parameter's
241         type from Simple_input_section to Input_section and remove the
242         second and third parameters.
243         * script-sections.cc (Input_section::Input_section_list): Change
244         type to list of Output_section::Input_section/
245         (Input_section_info::Input_section_info): Change parameter type of
246         INPUT_SECTION to Output_section::Input_section.
247         (Input_section_info::input_section): Change return type.
248         (Input_section_info::input_section_): Change type to
249         Output_section::Input_section.
250         (Output_section_element_input::set_section_addresses): Adjust code
251         to use Output_section::Input_section instead of
252         Output_section::Simple_input_section.  Adjust code for renaming
253         of Output_section::add_simple_input_section.
254         (Orphan_output_section::set_section_addresses): Ditto.
255
256 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
257
258         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
259         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
260
261 2010-05-18  Rafael Espindola  <espindola@google.com>
262
263         * options.cc (General_options::finalize): Handle -nostdlib.
264         * options.h (nostdlib): New option.
265         * script.cc (script_add_search_dir): Handle -nostdlib.
266
267 2010-05-12  Doug Kwan  <dougkwan@google.com>
268
269         * arm.cc (Target_arm::do_finalize_sections): Create an empty
270         attributes section only if there no attributes section after merging.
271         (Target_arm::merge_object_attributes): Move value of
272         Tag_MPextension_use_legacy to that of Tag_MPextension_use. 
273         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
274         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
275         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
276         and arm_attr_merge_7.stdout.
277         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
278         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
279         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
280         arm_attr_merge_7b.o): New rules.
281         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
282         arm_attr_merge_7
283         * testsuite/Makefile.in: Regenerate.
284         * testsuite/arm_attr_merge.sh: New file.
285         * testsuite/arm_attr_merge_[67][ab].s: Same.
286
287 2010-05-05  Nick Clifton  <nickc@redhat.com>
288
289         * po/es.po: Updated Spanish translation.
290
291 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
292
293         * Makefile.am (install-exec-local): Properly install gold as
294         default cross linker.
295         * Makefile.in: Regenerated.
296
297 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
298             Nick Clifton  <nickc@redhat.com>
299
300         * configure.ac (install_as_default): Define and set to false
301         unless --enable-gold or --enable-gold=both/gold has been
302         specified.
303         * configure: Regenerate.
304
305         * Makefile.am (install-exec-local): Install the executable as
306         'ld.gold'.  If install_as_default is true then also install it as
307         'ld'.
308         * Makefile.in: Regenerated.
309
310 2010-04-24  Ian Lance Taylor  <iant@google.com>
311
312         * layout.cc (Layout::layout_reloc): In relocatable link don't
313         combine reloc sections for grouped sections.
314
315 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
316
317         * gc.h (gc_process_relocs): Pass information on relocs pointing to
318         sections that are not ordinary to icf.
319         * icf.cc (get_section_contents): Handle relocation pointing to section
320         with no object or shndx information.
321         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
322         * testsuite/Makefile.in: Regenerate.
323         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
324         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
325
326 2010-04-22  Ian Lance Taylor  <iant@google.com>
327
328         * expression.cc (Expression::Expression_eval_info): Add
329         result_alignment_pointer field.
330         (Expression::eval_with_dot): Add result_alignment_pointer
331         parameter.  Change all callers.
332         (Expression::eval_maybe_dot): Likewise.
333         (class Binary_expression): Add alignment_pointer parameter to
334         left_value and right_value.  Change all callers.
335         (BINARY_EXPRESSION): Set result alignment.
336         (class Trinary_expression): Add alignment_pointer parameter to
337         arg2_value and arg3_value.  Change all callers.
338         (Trinary_cond::value): Set result alignment.
339         (Max_expression::value, Min_expression::value): Likewise.
340         (Align_expression::value): Likewise.
341         * script-sections.cc (class Sections_element): Add dot_alignment
342         parameter to set_section_addresses virtual function.  Update
343         instantiations.
344         (class Output_section_element): Likewise.
345         (Script_sections::create_segments): Add dot_alignment parameter.
346         Change all callers.
347         (Script_sections::create_segments_from_phdrs_clause): Likewise.
348         (Script_sections::set_phdrs_clause_addresses): Likewise.
349         * script-sections.h: Update declarations.
350         * script.h: Update declarations.
351         * output.h (Output_segment::set_minimum_p_align): Don't decrease
352         min_p_align.
353         * testsuite/script_test_3.t: Set large alignment.
354         * testsuite/script_test_3.sh: Make sure that at least one LOAD
355         segment has expected alignment.
356
357 2010-04-22  Nick Clifton  <nickc@redhat.com>
358
359         * po/gold.pot: Updated by the Translation project.
360         * po/vi.po: Updated Vietnamese translation.
361
362 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
363
364         * testsuite/Makefile.am (check_PROGRAMS): Add
365         icf_virtual_function_folding_test.
366         * testsuite/Makefile.in: Regenerated.
367
368 2010-04-15  Andrew Haley  <aph@redhat.com>
369
370         * options.h (merge_exidx_entries): New option.
371         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
372         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
373         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
374         (Target_arm::merge_exidx_entries): New function.
375         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
376         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
377         to Arm_exidx_fixup constructor.
378         Add new arg, merge_exidx_entries.
379         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
380         Arm_output_section::fix_exidx_coverage.
381
382 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
383
384         * icf.cc (get_section_contents): Check for preemptible functions.
385         Ignore addend when appropriate.
386         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
387         section folded.
388         (add_from_relobj): Check for section folded.
389         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
390         * symtab.h (should_add_dynsym_entry): Add new parameter.
391         * target-reloc.h (scan_relocs): Check for section folded.
392         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
393         Check reloc types for function pointers in shared objects.
394         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
395         case.
396         (icf_preemptible_functions_test): New test case.
397         (icf_string_merge_test): New test case.
398         * testsuite.Makefile.in: Regenerate.
399         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
400         bar_glob.  Refactor code.
401         * testsuite/icf_preemptible_functions_test.cc: New file.
402         * testsuite/icf_preemptible_functions_test.sh: New file.
403         * testsuite/icf_string_merge_test.cc: New file.
404         * testsuite/icf_string_merge_test.sh: New file.
405         * testsuite/icf_virtual_function_folding_test.cc: New file.
406         * testsuite/icf_virtual_function_folding_test.sh: New file.
407
408 2010-04-14  Doug Kwan  <dougkwan@google.com>
409
410         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
411         for local symbol recounting if we remove a section due to ICF.
412         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
413         there are no regular objects in input.
414
415 2010-04-13  Doug Kwan  <dougkwan@google.com>
416
417         * arm.cc (Arm_input_section::set_final_data_size): Compute
418         accurate final data size instead of using current data size.
419
420 2010-04-09  Doug Kwan  <dougkwan@google.com>
421
422         * layout.cc (Layout::choose_output_section): Handle script section
423         types.
424         (Layout::make_output_section_for_script): Add section type parameter.
425         Handle script section types.
426         * layout.h (Layout::make_output_section_for_script): Add section
427         type parameter.
428         * output.cc (Output_section::Output_section): Initialize data member
429         is_noload_.
430         (Output_section::do_reset_address_and_file_offset): Do not set address
431         to 0 if section is a NOLOAD section.
432         * output.h (Output_section::is_noload): New method.
433         (Output_section::set_is_noload): Ditto.
434         (Output_section::is_noload_): New data member.
435         * script-c.h (Script_section_type): New enum type.
436         (struct Parser_output_section_header): Add new file section_type.
437         * script-sections.cc (Sections_element::output_section_name): Add
438         parameter for returning script section type.
439         (Output_section_definition::output_section_name): Ditto.
440         (Output_section_definition::section_type)P; New method.
441         (Output_section_definiton::script_section_type_name): Ditto.
442         (Output_section_definition::script_section_type_): New data member.
443         (Output_section_definition::Output_section_definition): Initialize
444         data member Output_section_definition::script_section_type_.
445         (Output_section_definition::create_sections): Pass script section type
446         to Layout::make_output_section_for_script.
447         (Output_section_definition::output_section_name): Return script
448         section type to caller.
449         (Output_section_definition::set_section_address): Do not advance
450         dot value and load address if section type is NOLOAD.  Set address
451         of NOLOAD sections regardless of section flags.
452         (Output_section_definition::print): Print section type if it is
453         not SCRIPT_SECTION_TYPE_NONE.
454         (Output_section_definition::section_type): New method.
455         (Output_section_definition::script_section_type_name): Ditto.
456         (Script_sections::output_section_name): Add new parameter
457         PSECTION_TYPE for returning script section type.  Pass it to
458         section elements.  Handle discard sections.
459         (Sort_output_sections::operator()): Handle NOLOAD sections.
460         * script-sections.h (Script_sections::Section_type): New enum type.
461         (Script_sections::output_section_name): Add a new parameter for
462         returning script section type.
463         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
464         INFO and NOLOAD.
465         * yyscript.y (union): Add new field SECTION_TYPE.
466         (COPY, DSECT, INFO, NOLOAD): New tokens.
467         (opt_address_and_section_type): Change type to output_section_header.
468         (section_type): New non-terminal
469         (section_header): Handle section type.
470         (opt_address_and_section_type): Return section type value.
471
472 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
473
474         * testsuite/plugin_common_test_1.c (foo): Add prototype.
475         * testsuite/plugin_common_test_2.c (foo): Likewise.
476
477 2010-04-08  Doug Kwan  <dougkwan@google.com>
478
479         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
480         Output_merge_data.
481         * output.cc (Output_section::add_merge_input_section): Simplify
482         code and return status of Output_merge_base::add_input_section.
483         Update merge section map only if Output_merge_base::add_input_section 
484         returns true.
485
486 2010-04-07  Doug Kwan  <dougkwan@google.com>
487
488         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
489         if section is marked as containing instructions but has no mapping
490         symbols.
491         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
492         correct section index.
493         (Arm_relobj::find_linked_text_section): Ditto.
494
495 2010-04-07  Cary Coutant  <ccoutant@google.com>
496
497         * archive.cc (include_member): Destroy Read_symbols_data object before
498         releasing file.
499         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
500         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
501         (Read_symbols_data::~Read_symbols_data) New destructor.
502         (Section_relocs::Section_relocs) New constructor.
503         (Section_relocs::~Section_relocs) New destructor.
504         (Read_relocs_data::Read_relocs_data) New constructor.
505         (Read_relocs_data::~Read_relocs_data) New destructor.
506         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
507         pointers to NULL after deleting.
508
509 2010-04-07  Doug Kwan  <dougkwan@google.com>
510
511         * arm.cc: Replace "endianity" with "endianness" in comments.
512         (Arm_exidx_cantunwind): Ditto.
513         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
514         (Arm_relobj::merge_flags_and_attributes): New method.
515         (Arm_relobj::merge_flags_and_attributes_): New data member.
516         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
517         (Arm_relobj::scan_sections_for_stubs): Ditto.
518         (Arm_relobj::do_read_symbols): Check to see if we really want to
519         merge processor-specific flags and attributes.  Exit early if
520         an object is empty except for section names and the undefined symbol.
521         (Target_arm::do_finalize_sections): Move check for ELF format to
522         Arm_relobj::do_read_symbols.  Merge processor specific flags and
523         attributes from a regular object only when we have determined that
524         it is aapropriate.  Do not create an .ARM.attributes section in
525         output if there is no regular input object.
526         (Target_arm::merge_processor_specific_flags): Check
527         --warn-mismatch before printing any error.
528         (Target_arm::merge_object_attributes): Ditto.
529         * gold.cc (queue_middle_tasks): Handle the case in which there is
530         no regular object in input.
531         * options.cc (General_options::parse_EB): New method.
532         (General_options::parse_EL): Same.
533         (General_options::General_options): Initialize endianness_.
534         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
535         New options.
536         (General_options::Endianness): New enum.
537         (General_options::endianness): New method.
538         (General_options::endianness_): New data member.
539         * parameters.cc (Parameters::set_options): Check target endianness.
540         (Parameters::set_target_once): Ditto.
541         (Parameters::check_target_endianness): New method.
542         (parameters_force_valid_target): If either -EL or -EB is specified,
543         use it to define endianness of default target.
544         * parameters.h (Parameters::check_target_endianness): New method
545         declaration.
546         * target.h (class Target): Change "endianity" to "endianness"
547         in comments.
548
549 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
550
551         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
552         * configure: Regenerate.
553         * Makefile.in: Regenerate.
554         * testsuite/Makefile.in: Regenerate.
555
556 2010-04-06  Cary Coutant  <ccoutant@google.com>
557
558         gcc PR lto/42757
559         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
560         prevailing definitions of common symbols.
561         * testsuite/plugin_test_6.sh: New test case.
562         * testsuite/plugin_common_test_1.c: New test case.
563         * testsuite/plugin_common_test_2.c: New test case.
564         * testsuite/Makefile.am (plugin_test_6): New test case.
565         * testsuite/Makefile.in: Regenerate.
566
567 2010-04-06  Nick Clifton  <nickc@redhat.com>
568
569         * po/vi.po: New Vietnamese translation.
570
571 2010-03-30  Doug Kwan  <dougkwan@google.com>
572
573         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
574
575 2010-03-25  Doug Kwan  <dougkwan@google.com>
576
577         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
578         to avoid a conversion warning on a 32-bit host.
579
580 2010-03-24  Ian Lance Taylor  <iant@google.com>
581
582         * testsuite/script_test_3.t: Add a TLS segment.
583         * testsuite/Makefile.am (check_PROGRAMS): Add
584         tls_phdrs_script_test.
585         (tls_phdrs_script_test_SOURCES): Define.
586         (tls_phdrs_script_test_DEPENDENCIES): Define.
587         (tls_phdrs_script_test_LDFLAGS): Define.
588         (tls_phdrs_script_test_LDADD): Define.
589         * testsuite/Makefile.in: Rebuild.
590
591 2010-03-23  Cary Coutant  <ccoutant@google.com>
592
593         * fileread.cc (find_or_make_view): Fix comment.
594
595 2010-03-23  Ian Lance Taylor  <iant@google.com>
596
597         * script-sections.cc (class Orphan_section_placement): Define
598         PLACE_TLS and PLACE_TLS_BSS.
599         (Orphan_section_placement::Orphan_section_placement): Initialize
600         new places.
601         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
602         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
603         (tls_script_test_SOURCES): Define.
604         (tls_script_test_DEPENDENCIES): Define.
605         (tls_script_test_LDFLAGS): Define.
606         (tls_script_test_LDADD): Define.
607         * testsuite/Makefile.in: Rebuild.
608
609 2010-03-22  Doug Kwan  <dougkwan@google.com>
610
611         * arm.cc (Arm_relocate_functions::abs8,
612         Arm_relocate_functions::abs16): Use correct check for overflow
613         specified in the ARM ELF specs.
614         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
615         target of a BLX instruction specially.
616         (Reloc_stub::stub_type_for_reloc): Ditto.
617         (Relocate::relocate): Use symbolic names instead of numeric relocation
618         codes to report error.
619         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
620         workaround.
621         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
622         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
623         thumb2_blx_out_of_range.stdout
624         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
625         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
626         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
627         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
628         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
629         thumb2_blx_in_range, thumb2_blx_in_range.o,
630         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
631         thumb2_blx_out_of_range.o): New rules.
632         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
633         thumb2_blx_in_range and thumb2_blx_out_of_range.
634         * testsuite/Makefile.in: Regenerate.
635         * arm_branch_in_range.sh: Add tests for THUMB BLX.
636         * testsuite/thumb_blx_in_range.s: New file.
637         * testsuite/thumb_blx_out_of_range.s: New file.
638
639 2010-03-22  Rafael Espindola  <espindola@google.com>
640
641         * archive.cc (Should_include): Move to archive.h.
642         (should_include_member): Make it a member of Archive.
643         (Lib_group): New.
644         (Add_lib_group_symbols): New.
645         * archive.h: Include options.h.
646         (Archive_member): Moved from Archive.
647         (Should_include): Moved from archive.cc.
648         (Lib_group): New.
649         (Add_lib_group_symbols): New.
650         * dynobj.cc (do_should_include_member): New.
651         * dynobj.h (do_should_include_member): New.
652         * gold.cc (queue_initial_tasks): Update call to queue.
653         * main.cc (main): Print lib group stats.
654         * object.cc (do_should_include_member): New.
655         * object.h: Include archive.h.
656         (Object::should_include_member): New.
657         (Object::do_should_include_member): New.
658         (Sized_relobj::do_should_include_member): New.
659         * options.cc (General_options::parse_start_lib): New.
660         (General_options::parse_end_lib): New.
661         (Input_arguments::add_file): Handle lib groups.
662         (Input_arguments::start_group): Check we are not in a lib.
663         (Input_arguments::start_lib): New.
664         (Input_arguments::end_lib): New.
665         * options.h (General_options): Add start_lib and end_lib.
666         (Input_argument::lib_): New.
667         (Input_argument::lib): New.
668         (Input_argument::is_lib): New.
669         (Input_file_lib): New.
670         (Input_arguments::in_lib_): New.
671         (Input_arguments::in_lib): New.
672         (Input_arguments::start_lib): New.
673         (Input_arguments::end_lib_): New.
674         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
675         in unused members as preempted.
676         (Sized_pluginobj::do_should_include_member): New.
677         * plugin.h (Sized_pluginobj::do_should_include_member): New.
678         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
679         return the blocker.
680         (Read_symbols::do_whole_lib_group): New.
681         (Read_symbols::do_lib_group): New.
682         (Read_symbols::do_read_symbols): Handle lib groups.
683         (Read_symbols::get_name): Handle lib groups.
684         * readsyms.h (Read_symbols): Add an archive member pointer.
685         (Read_symbols::do_whole_lib_group): New.
686         (Read_symbols::do_lib_group): New.
687         (Read_symbols::member_): New.
688         * script.cc (read_input_script): Update call to queue_soon.
689
690 2010-03-19  Doug Kwan  <dougkwan@google.com>
691
692         * arm.cc (Stub_table::Stub_table): Initialize new data members
693         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
694         (Stub_table::add_reloc_stub): Assign stub offset and update
695         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
696         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
697         New data members.
698         (Stub_table::update_data_size_and_addralign): Use
699         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
700         instead of going over all reloc stubs.
701         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
702         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
703         Stringpool_template::offset_ to size of Stringpool_char.
704         (Stringpool_template::new_key_offset): Remove code to initialize
705         Stringpool_template::offset_.
706         * stringpool.h (Stringpool_template::set_no_zero_null): Set
707         Stringpool_template::offset_ to zero.
708
709 2010-03-15  Doug Kwan  <dougkwan@google.com>
710
711         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
712         offset_.
713         (Stringpool_template::new_key_offset): New method.
714         (Stringpool_template::add_string): Assign offsets when adding new
715         strings.
716         (Stringpool_template::set_string_offsets): Do not set string offsets
717         when not optimizing.
718         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
719         member size_.
720         (Chunked_vector::clear): Clear size_.
721         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
722         (Chunked_vector::size): Return size_.
723         (Chunked_vector::push_back): Use size_ to find insert position.
724         (Chunked_vector::size_): New data member. 
725         (Stringpool_template::set_no_zero_null): Assert string set is empty.
726         (Stringpool_template::new_key_offset): New method declaration.
727         (Stringpool_template::offset_): New data member.
728
729 2010-03-15   Rafael Espindola  <espindola@google.com>
730
731         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
732         Add_symbols' constructor.
733         * readsyms.h (Add_symbols): Remove the input_group member.
734
735 2010-03-10  Ian Lance Taylor  <iant@google.com>
736
737         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
738         target to ask whether a reference to a symbol requires a stack
739         split.
740         * target.h (Target::is_call_to_non_split): New function.
741         (Target::do_is_call_to_non_split): Declare virtual function.
742         * target.cc: Include "symtab.h".
743         (Target::do_is_call_to_non_split): New function.
744         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
745
746 2010-03-10  Cary Coutant  <ccoutant@google.com>
747
748         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
749         (File_read::open[1]): Remove initial mapping of whole_file_view_.
750         (File_read::open[2]): Add whole_file_view_ to list of views.
751         (File_read::make_view): Remove test of whole_file_view_.
752         (File_read::find_or_make_view): Create whole_file_view_ if
753         necessary.
754         (File_read::clear_views): Replace bool parameter with enum;
755         adjust all callers.  Don't delete views with permanent data;
756         do delete cached views and views from archives if
757         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
758         if clearing the corresponding view.
759         * fileread.h (File_read::Clear_views_mode): New enum.
760         (File_read::View::is_permanent_view): New method.
761         (File_read::clear_views): Replace bool parameter
762         with enum; adjust all callers.
763         * options.h (General_options): Change keep_files_mapped option;
764         add map_whole_files.
765         * readsyms.cc (Add_symbols::run): Delete sd_ object before
766         releasing the file.
767         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
768         the file.
769
770 2010-03-10  David S. Miller  <davem@davemloft.net>
771
772         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
773
774 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
775
776         * icf.cc (get_section_contents): Add '@' marker after processing the
777         merge reloc.
778
779 2010-03-08  Doug Kwan  <dougkwan@google.com>
780
781         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
782         due to a conversion warning.
783         (Arm_relobj::update_output_local_symbol_count): Check for local
784         symbol with unset output index.
785
786 2010-03-05  Ian Lance Taylor  <iant@google.com>
787
788         * options.h (class General_options): Add --spare-dynamic-tags.
789         * output.cc (Output_data_dynamic::set_final_data_size): Implement
790         --spare-dynamic-tags.
791
792 2010-03-05  Ian Lance Taylor  <iant@google.com>
793
794         * incremental.cc: Include "libiberty.h".
795
796 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
797
798         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
799         function, is_info_ member.
800         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
801         (Versions::Versions): Update caller.
802         (Versions::define_base_version): Likewise.
803         (Versions::add_def): Likewise.
804
805 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
806
807         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
808         (Scan::possible_function_pointer_reloc): New function.
809         (Scan::local_reloc_may_be_function_pointer): Change to call
810         possible_function_pointer_reloc.
811         (Scan::global_reloc_may_be_function_pointer): Ditto.
812         * icf.h (Icf::check_section_for_function_pointers): Change to reject
813         relocations in ".data.rel.ro._ZTV" section.
814         * testsuite/icf_safe_so_test.sh: Change to pass i386.
815         * testsuite/icf_safe_so_test.cc: Ditto.
816         * testsuite/icf_safe_test.cc: Ditto.
817         * testsuite/icf_safe_test.sh: Ditto.
818
819 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
820             Ian Lance Taylor  <iant@google.com>
821
822         * target-reloc.h (relocate_section): Check the symbol table index
823         for -1U before setting the local symbol index.
824         (scan_relocatable_relocs): If copying the relocation, record that
825         the local symbol is required.
826         * object.h (Symbol_value::is_output_symtab_index_set): New
827         function.
828         (Symbol_value::may_be_discarded_from_output_symtab): New
829         function.
830         (Symbol_value::has_output_symtab_entry): New function.
831         (Symbol_value::needs_output_symtab_entry): Remove.
832         (Symbol_value::output_symtab_index): Make sure the symbol index is
833         set.
834         (Symbol_value::set_output_symtab_index): Make sure the symbol
835         index is not set.  Make sure the new index is valid.
836         (Symbol_value::set_must_have_output_symtab_entry): New function.
837         (Symbol_value::has_output_dynsym_entry): New function.
838         (Symbol_value::set_output_dynsym_index): Make sure the new index
839         is valid.
840         (Sized_relobj::set_must_have_output_symtab_entry): New function.
841         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
842         local symbol if permitted.
843         (Sized_relobj::do_finalize_local_symbols): Call
844         is_output_symtab_index_set rather than needs_output_symtab_entry.
845         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
846         rather than needs_output_symtab_entry.  Call
847         has_output_dynsym_entry rather than needs_output_dynsym_entry.
848         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
849         is_output_symtab_index_set rather than needs_output_symtab_entry.
850         * testsuite/discard_locals_relocatable_test.c: New file.
851         * testsuite/discard_locals_test.sh: Test -r.
852         * testsuite/Makefile.am (check_DATA): Add
853         discard_locals_relocatable_test1.syms,
854         discard_local_relocatable_test2.syms.
855         (MOSTLYCLEANFILES): Likewise.  Also add
856         discard_locals_relocatable_test1.lout and
857         discard_locals_relocatable_test2.out.
858         (discard_locals_relocatable_test1.syms): New target.
859         (discard_locals_relocatable_test.o): New target.
860         (discard_locals_relocatable_test1.out): New target.
861         (discard_locals_relocatable_test2.syms): New target.
862         (discard_locals_relocatable_test2.out): New target.
863         (various): Add missing ../ld-new dependencies.
864         * testsuite/Makefile.in: Rebuild.
865
866 2010-03-03  Nick Clifton  <nickc@redhat.com>
867
868         * po/fi.po: New Finnish translation.
869
870 2010-03-01  Doug Kwan  <dougkwan@google.com>
871
872         * layout.cc (Layout::Layout): Force section types of .init_array*,
873         .preinit_array* and .fini_array* sections.
874         * output.cc (Output_section::Input_section_sort_entry::has_priority):
875         Fix check of return value of std::string::find.().
876         (Output_section::Input_section_sort_compare::operator()): Remove
877         comment about .init_array.
878         (Output_section::Input_section_sort_init_fini_compare::operator()):
879         New method.
880         (Output_section::sort_attached_input_sections): Handle .init_array
881         and .fini_array specially.
882         * output.h (Output_section::Inut_section_sort_compare): Update
883         comment.
884         (Output_section::Input_section_sort_init_fini_compare): New struct.
885
886 2010-02-26  Doug Kwan  <dougkwan@google.com>
887
888         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
889         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
890         * testsuite/debug_msg.sh: Avoid matching source line number for
891         use of global variable undef_int.
892
893 2010-02-26  Doug Kwan  <dougkwan@google.com>
894
895         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
896         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
897         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
898         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
899         * options.cc (General_options::General_options): Initialize member
900         fix_v4bx_.
901         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
902         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
903         and rm_no_fix_v4bx.stdout
904         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
905         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
906         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
907         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
908         and arm_no_fix_v4bx.
909         * Makefile.in: Regenerate.
910         * testsuite/arm_fix_v4bx.s: New file.
911         * testsuite/arm_fix_v4bx.sh: Ditto.
912
913 2010-02-24  Doug Kwan  <dougkwan@google.com>
914
915         * arm.cc (Target_arm::got_section): Make the .got section the first
916         non RELRO section in the data segment.
917         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
918         suffixes of section names.
919
920 2010-02-24  Doug Kwan  <dougkwan@google.com>
921
922         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
923         flags and attributes merging if an input file is a binary file.
924         * fileread.cc (Input_file::open): Record format of original file.
925         * fileread.h (Input_file::Format): New enum type.
926         (Input_file::Input_file): Initialize data member format_.
927         (Input_file::format): New method definition.
928         (Input_file::format_):: New data member.
929
930 2010-02-24  Doug Kwan  <dougkwan@google.com>
931
932         * arm.cc (Arm_output_data_got): New class.
933         (ARM_TCB_SIZE): New constant
934         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
935         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
936         If user uses a script with a SECTIONS clause, issue only a warning
937         for a misplaced EXIDX input section.  Otherwise, issue an error.
938         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
939         garbage collection.
940         (Target_arm::got_mode_index_entry): Handle static linking.
941         (Target_arm::Scan::local): Ditto.
942         (Target_arm::Scan::global): Ditto.
943         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
944         all incorrectly implemented relocations.
945         (Target_arm::fix_exidx_coverage): Pass layout to 
946         Arm_output_section::fix_exidx_coverage.
947         * layout.cc (Layout::section_name_mapping): Remove trailing dots
948         from ".ARM.exidx." and ".ARM.extab.".
949
950 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
951
952         * arm.cc (Target_arm::do_finalize_sections): Create attribute
953         section if it does not already exist.
954         * attributes.cc (Attributes_section_data::Attributes_section_data):
955         Don't crash if size is zero.
956
957 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
958             Ian Lance Taylor  <iant@google.com>
959
960         * gold.cc (queue_middle_tasks): If no input files were opened,
961         exit.
962         * workqueue.h (Task_function::Task_function): Assert that there is
963         a blocker.
964
965 2010-02-22  Doug Kwan  <dougkwan@google.com>
966
967         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
968         * icf.cc (get_section_contents): Cast snprintf arguments to long long
969         types to avoid warnings due to different uint64_t implementations
970         on different hosts.
971
972 2010-02-21  Doug Kwan  <dougkwan@google.com>
973
974         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
975         handling of the maximum backward branch offset.
976         (Arm_relocate_functions::thumb_branch_common): Ditto.
977         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
978         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
979         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
980         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
981         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
982         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
983         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
984         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
985         thumb_bl_out_of_range thumb_bl_out_of_range.o,
986         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
987         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
988         thumb2_bl_out_of_range.o): New rules.
989         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
990         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
991         thumb2_bl_out_of_range
992         * testsuite/Makefile.in: Regenerate.
993         * testsuite/arm_bl_in_range.s: New file.
994         * testsuite/arm_bl_out_of_range.s: Ditto.
995         * testsuite/arm_branch_in_range.sh: Ditto.
996         * testsuite/arm_branch_range.t: Ditto.
997         * testsuite/thumb2_branch_range.t: Ditto.
998         * testsuite/thumb_bl_in_range.s: Ditto.
999         * testsuite/thumb_bl_out_of_range.s: Ditto.
1000         * testsuite/thumb_branch_range.t: Ditto.
1001
1002 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1003
1004         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1005         Add reloc offset information.
1006         * icf.cc (get_section_contents): Change iterators to point to the new
1007         vectors. Add reloc offset information to the contents.
1008         * icf.h (Icf::Sections_reachable_info): New typedef.
1009         (Icf::Sections_reachable_list): New typedef.
1010         (Icf::Offset_info): New typedef.
1011         (Icf::Reloc_info): New struct typedef.
1012         (Icf::Reloc_info_list): New typedef.
1013         (Icf::symbol_reloc_list): Delete method.
1014         (Icf::addend_reloc_list): Delete method.
1015         (Icf::section_reloc_list): Delete method.
1016         (Icf::reloc_info_list): New method.
1017         (Icf::reloc_info_list_): New member.
1018
1019 2010-02-19  Doug Kwan  <dougkwan@google.com>
1020
1021         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1022         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1023         * arm.cc (Arm_relocation_functions): New forward declaration.
1024         (Target_arm::Target_arm): Initialize new data members
1025         got_mod_index_offset_ and tls_base_symbol_defined_.
1026         (Target_arm::Relocate::relocate_tls): New method.
1027         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1028          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1029         New methods.
1030         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1031         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1032         (Target_arm::got_mod_index_offset_,
1033         Target_arm::tls_base_symbol_defined_): New data members.
1034         (Target_arm::Scan::local, Target::Scan::global,
1035         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1036         relocations.
1037
1038 2010-02-18  Doug Kwan  <dougkwan@google.com>
1039
1040         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1041         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1042         text section as a parameter becuase some broken tools may not set
1043         the link in section header.
1044         (Target_arm::has_got_section): New method.
1045         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1046         without any mapping symbol as data only.  Remove warning.
1047         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1048         link in its section header, try to discover the link by inspecting the
1049         REL31 relocation at the beginning of the section.
1050         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1051         in error message.
1052         (Target_arm::Scan::global): Treat any reference to the symbol
1053         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1054
1055 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1056
1057         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1058         (Scan::global_reloc_may_be_function_pointer): New function.
1059         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1060         (Scan::global_reloc_may_be_function_pointer): New function.
1061         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1062         (Scan::global_reloc_may_be_function_pointer): New function.
1063         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1064         (Scan::global_reloc_may_be_function_pointer): New function.
1065         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1066         (Scan::global_reloc_may_be_function_pointer): New function.
1067         (Scan::possible_function_pointer_reloc): New function.
1068         (Target_x86_64::can_check_for_function_pointers): New function.
1069         * gc.h (gc_process_relocs): Scan relocation types to determine if
1070         function pointers were taken for targets that support it.
1071         * icf.cc (Icf::find_identical_sections): Include functions for
1072         folding in safe ICF whose pointer is not taken.
1073         * icf.h (Secn_fptr_taken_set): New typedef.
1074         (fptr_section_id_): New member.
1075         (section_has_function_pointers): New function.
1076         (set_section_has_function_pointers): New function.
1077         (check_section_for_function_pointers): New function.
1078         * options.h: Fix comment for safe ICF option.
1079         * target.h (can_check_for_function_pointers): New function.
1080         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1081         Modify icf_safe_test for X86-64.
1082         * testsuite/Makefile.in: Regenerate.
1083         * testsuite/icf_safe_so_test.cc: New file.
1084         * testsuite/icf_safe_so_test.sh: New file.
1085         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1086         (main): Change to take pointer to function kept_func_3.
1087         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1088         folding is done correctly for X86-64.
1089
1090 2010-02-12  David S. Miller  <davem@davemloft.net>
1091
1092         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1093         is_symbolless parameter.
1094         (Output_reloc<SHT_REL>::is_symbolless): New.
1095         (Output_reloc<SHT_REL>::is_symbolless_): New.
1096         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1097         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1098         (Output_reloc<SHT_RELA>::is_symbolless): New.
1099         (Output_data_reloc::add_global): Handle is_symbolless.
1100         (Output_data_reloc::add_global_relative): Likewise.
1101         (Output_data_reloc::add_local): Likewise.
1102         (Output_data_reloc::add_local_relative): Likewise.
1103         (Output_data_reloc::add_symbolless_global_addend): New.
1104         (Output_data_reloc::add_symbolless_local_addend): New.
1105         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1106         is_symbolless.
1107         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1108         instead of ->is_relative_
1109         (Output_reloc::write): Likewise.
1110         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1111         (Output_reloc::write_rel): Simplify.
1112
1113         * sparc.cc (Target_sparc::Scan::local): Use
1114         ->add_symbolless_local_addend as needed.
1115         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1116         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1117         based upon relocation offset.
1118
1119 2010-02-11  Doug Kwan  <dougkwan@google.com>
1120
1121         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1122         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1123         beginning of function.
1124         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1125         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1126         parameter is_32bit in calls to should_apply_static_reloc.
1127         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1128         (check_DATA): Add arm_abs_global.stdout.
1129         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1130         arm_abs_global.stdout): New rules.
1131         (MOSTLLYCLEANFILES): Add arm_abs_global
1132         * Makefile.in: Regenerate.
1133         * testsuite/arm_abs_global.s: New file.
1134         * testsuite/arm_abs_global.sh: Ditto.
1135         * testsuite/arm_abs_lib.s: Ditto.
1136
1137 2010-02-11  Ian Lance Taylor  <iant@google.com>
1138
1139         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1140         Read_relocs task.
1141         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1142         Allocate_commons_task first.
1143         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1144         task, rather than symtab_lock_.
1145         (Gc_process_relocs::~Gc_process_relocs): New function.
1146         (Gc_process_relocs::is_runnable): Check this_blocker_.
1147         (Gc_process_relocs::locks): Use next_blocker_ rather than
1148         blocker_.
1149         (Scan_relocs::~Scan_relocs): New function.
1150         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1151         symtab_lock_.
1152         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1153         next_blocker_.
1154         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1155         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1156         constructor accordingly.
1157         (class Gc_process_relocs): Likewise.
1158         (class Scan_relocs): Likewise.
1159         * common.h (class Allocate_commons_task): Remove symtab_lock_
1160         field, and corresponding constructor parameter.
1161         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1162         symtab_lock_.
1163         (Allocate_commons_task::locks): Likewise.
1164
1165 2010-02-11  Ian Lance Taylor  <iant@google.com>
1166
1167         * gold-threads.h (class Once): Define.
1168         (class Initialize_lock): Rewrite as child of Once.
1169         * gold-threads.cc (class Once_initialize): Define.
1170         (once_pointer_control): New static variable.
1171         (once_pointer, once_arg): New static variables.
1172         (c_run_once): New static function.
1173         (Once::Once, Once::run_once, Once::internal_run): New functions.
1174         (class Initialize_lock_once): Remove.
1175         (initialize_lock_control): Remove.
1176         (initialize_lock_pointer): Remove.
1177         (initialize_lock_once): Remove.
1178         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1179         (Initialize_lock::initialize): Rewrite.
1180         (Initialize_lock::do_run_once): New function.
1181         * archive.cc (Archive::interpret_header): Only clear name if it is
1182         not already empty.
1183         * fileread.cc: Include "gold-threads.h"
1184         (file_counts_lock): New static variable.
1185         (file_counts_initialize_lock): Likewise.
1186         (File_read::release): Only increment counts when using --stats.
1187         Use a lock around the increment.
1188         * parameters.cc (class Set_parameters_target_once): Define.
1189         (set_parameters_target_once): New static variable.
1190         (Parameters::Parameters): Move here from parameters.h.
1191         (Parameters::set_target): Rewrite.
1192         (Parameters::set_target_once): New function.
1193         (Parameters::clear_target): Move here and rewrite.
1194         * parameters.h (class Parameters): Update declarations.  Add
1195         set_parameters_target_once_ field.
1196         (Parameters::Parameters): Move to parameters.cc.
1197         (Parameters::clear_target): Likewise.
1198         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1199         task.
1200         (Start_group::~Start_group): New function.
1201         (Start_group::is_runnable): New function.
1202         (Start_group::locks, Start_group::run): New functions.
1203         (Finish_group::run): Change saw_undefined to size_t.
1204         * readsyms.h (class Start_group): Define.
1205         (class Finish_group): Change saw_undefined_ field to size_t.
1206         (Finish_group::Finish_group): Remove saw_undefined and
1207         this_blocker parameters.  Change all callers.
1208         (Finish_group::set_saw_undefined): New function.
1209         (Finish_group::set_blocker): New function.
1210         * symtab.h (class Symbol_table): Change saw_undefined to return
1211         size_t.  Change saw_undefined_ field to size_t.
1212         * target-select.cc (Set_target_once::do_run_once): New function.
1213         (Target_selector::Target_selector): Initialize set_target_once_
1214         field.  Don't initialize lock_ and initialize_lock_ fields.
1215         (Target_selector::instantiate_target): Rewrite.
1216         (Target_selector::set_target): New function.
1217         * target-select.h (class Set_target_once): Define.
1218         (class Target_selector): Update declarations.  Make
1219         Set_target_once a friend.  Remove lock_ and initialize_lock_
1220         fields.  Add set_target_once_ field.
1221
1222 2010-02-10  Ian Lance Taylor  <iant@google.com>
1223
1224         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1225         queueing any tasks.
1226         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1227         (queue_middle_tasks): Add all blockers before queueing any tasks.
1228         (queue_final_tasks): Likewise.
1229         * token.h (Task_token::add_blockers): New function.
1230         * object.h (Input_objects::number_of_relobjs): New function.
1231
1232 2010-02-10  Ian Lance Taylor  <iant@google.com>
1233
1234         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1235         shared, not if not position independent.
1236         * x86_64.cc (Relocate::relocate_tls): Likewise.
1237         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1238         (tls_pie_pic_test): New target.
1239         * testsuite/Makefile.in: Rebuild.
1240
1241         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1242         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1243         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1244         * testsuite/Makefile.in: Rebuild.
1245
1246 2010-02-09  David S. Miller  <davem@davemloft.net>
1247
1248         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1249         R_SPARC_RELATIVE using ->add_local_relative().
1250         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1251
1252         * output.h (Output_data_dynamic::add_section_size): New method
1253         that takes two Output_data objects.
1254         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1255         entry param.  Handle it in initializers.
1256         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1257         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1258         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1259         arg.
1260         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1261         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1262         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1263         for dynrel_includes_plt.
1264         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1265         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1266         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1267         before .rela.plt
1268         (Target_sparc::do_finalize_sections): Update to pass true for
1269         dynrel_includes_plt.
1270         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1271         output before .rela.plt
1272         (Target_powerpc::do_finalize_sections): Update to pass true for
1273         dynrel_includes_plt when 32-bit.
1274
1275 2010-02-08  Doug Kwan  <dougkwan@google.com>
1276
1277         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1278         method.
1279         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1280         Arm_relobj::scan_section_for_cortex_a8_stubs,
1281         Arm_relobj::do_relocation_section): Instead of calling
1282         Output_section::output_address, use faster
1283         Arm_relobj::simple_input_section_output_address.
1284
1285 2010-02-08  David S. Miller  <davem@davemloft.net>
1286
1287         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1288         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1289         relocation helper function.
1290
1291         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1292         just like R_SPARC_GOT{10,13,22}.
1293         (Target_sparc::Scan::local): Likewise.
1294         (Target_sparc::Relocate:relocate): Likewise.
1295
1296 2010-02-06  Ian Lance Taylor  <iant@google.com>
1297
1298         * configure.ac: Rewrite targetobjs duplicate removal code to use
1299         only shell constructs.
1300         * configure: Rebuild.
1301
1302 2010-02-05  Doug Kwan  <dougkwan@google.com>
1303
1304         PR 11247
1305         * arm.cc (Arm_relobj::section_is_scannable): New method.
1306         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1307         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1308
1309 2010-02-04  Doug Kwan  <dougkwan@google.com>
1310
1311         PR 11247
1312         * arm-reloc-property.cc (cstdio): Include.
1313         * configure.ac (targetobjs): Remove duplicates.
1314         * configure: Regenerate.
1315         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1316         big and little endian version for a given address size.
1317
1318 2010-02-03  Doug Kwan  <dougkwan@google.com>
1319
1320         * arm-reloc-property.cc
1321         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1322         definition.
1323         * arm-reloc-property.h
1324         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1325         New method definition.
1326         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1327         declaration.
1328         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1329         overflow to N.
1330         (GOT_PREL): Change implemented to Y.
1331         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1332         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1333         (Arm_relocate_functions::movw_abs_nc): Remove method.
1334         (Arm_relocate_functions::movt_abs): Ditto.
1335         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1336         (Arm_relocate_functions::thm_movt_abs): Ditto.
1337         (Arm_relocate_functions::movw_rel_nc): Ditto.
1338         (Arm_relocate_functions::movw_rel): Ditto.
1339         (Arm_relocate_functions::movt_rel): Ditto.
1340         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1341         (Arm_relocate_functions:thm_movw_rel): Ditto.
1342         (Arm_relocate_functions:thm_movt_rel): Ditto.
1343         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1344         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1345         New method definitions.
1346         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1347         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1348         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1349         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1350         (Target_arm::Relocate::relocate): Check for non-static or
1351         unimplemented relocation code and exit early.  Change calls to
1352         Target_arm::reloc_uses_thumb_bit and
1353         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1354         instead.  Refactor code to handle similar relocations to increase
1355         code sharing.  Remove check for unsupported relocation code in switch
1356         statement.
1357         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1358         relocation property table to find out size.  Change error message to
1359         print out the name of a relocation code instead of the numeric value.
1360         (Target_arm::scan_reloc_for_stub): Use relocation property table
1361         instead of calling Target_arm::reloc_uses_thumb_bit().
1362
1363 2010-02-02  Doug Kwan  <dougkwan@google.com>
1364
1365         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1366         types of relaxed input section.
1367
1368 2010-02-02  Doug Kwan  <dougkwan@google.com>
1369
1370         * Makefile.am (HFILES): Add arm-reloc-property.h.
1371         (DEFFILES): New.
1372         (TARGETSOURCES): Add arm-reloc-property.cc
1373         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1374         (libgold_a_SOURCES): $(DEFFILES)
1375         * Makefile.in: Regenerate.
1376         * arm-reloc-property.cc: New file.
1377         * arm-reloc-property.h: New file.
1378         * arm-reloc.def: New file.
1379         * arm.cc: Update comments.
1380         (arm-reloc-property.h): New included header.
1381         (arm_reloc_property_table): New global variable.
1382         (Target_arm::do_select_as_default_target): New method definition.
1383         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1384         arm-reloc-property to targ_extra_obj.
1385         * parameters.cc (set_parameters_target): Call
1386         Target::select_as_default_target().
1387         * target.h (Target::select_as_default_target): New method definition.
1388         (Target::do_select_as_default_target): Same.
1389
1390 2010-02-01  Doug Kwan  <dougkwan@google.com>
1391
1392         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1393         first_output_text_section_.
1394         (Arm_exidx_fixup::first_output_text_section): New method definition.
1395         (Arm_exidx_fixup::first_output_text_section_): New data member.
1396         (Arm_exidx_fixup::process_exidx_section): Record the first text
1397         output section seen.
1398         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1399         and entsize in output section header.
1400
1401 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1402
1403         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1404         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1405         (Arm_relocate_functions::thm_alu11): New Method.
1406         (Arm_relocate_functions::thm_pc8): New Method.
1407         (Arm_relocate_functions::thm_pc12): New Method.
1408         (Target_arm::Scan::local): Handle the relocations.
1409         (Target_arm::Scan::global): Likewise.
1410         (Target_arm::Relocate::relocate): Likewise.
1411         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1412
1413 2010-01-29  Doug Kwan  <dougkwan@google.com>
1414
1415         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1416         of relocation types as ld.
1417
1418 2010-01-29  Doug Kwan  <dougkwan@google.com>
1419
1420         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1421         to public.
1422         (Arm_relocate_functions::thumb_branch_common): Ditto.
1423         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1424         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1425         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1426         Arm_relocate_functions::jump24): Remove.
1427         (Target_arm::Relocate::relocate): Adjust code to call
1428         Arm_relocation_functions::arm_branch_common and
1429         Arm_relocation_functions::thumb_branch_common instead of their removed
1430         wrappers.  Merge switch-cases together to reduce source code size.  
1431
1432 2010-01-29  Doug Kwan  <dougkwan@google.com>
1433
1434         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1435         output_local_symbol_count_needs_update_.
1436         (Arm_relobj::output_local_symbol_count_needs_update,
1437          Arm_relobj::set_output_local_symbol_count_needs_update,
1438          Arm_relobj::update_output_local_symbol_count): New methods.
1439         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1440         member.
1441         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1442         of pointed function as in a R_ARM_PREL31 relocation.
1443         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1444         for output local symbol count updating.
1445         (Target_arm::do_relax): Update output local symbol counts in objects
1446         if necessary.
1447         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1448
1449 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1450
1451         * arm.cc: Added support for the ARM relocations:
1452         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1453         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1454         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1455         movw_prel_nc).
1456         (Arm_relocate_functions::movw_rel): New method.
1457         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1458         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1459         thm_movw_prel_nc).
1460         (Arm_relocate_functions::thm_movw_rel): New method.
1461         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1462         thm_movt_prel).
1463         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1464         relocations.
1465         (Target_arm::Scan::global): Likewise.
1466         (Target_arm::Relocate::relocate): Likewise.
1467         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1468         Likewise.
1469
1470 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1471
1472         * arm.cc: Added support for ARM group relocations.
1473         (Target_arm::reloc_needs_sym_origin): New method.
1474         (Arm_relocate_functions::calc_grp_kn): New method.
1475         (Arm_relocate_functions::calc_grp_residual): New method.
1476         (Arm_relocate_functions::calc_grp_gn): New method.
1477         (Arm_relocate_functions::arm_grp_alu): New Method.
1478         (Arm_relocate_functions::arm_grp_ldr): New Method.
1479         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1480         (Arm_relocate_functions::arm_grp_ldc): New Method.
1481         (Target_arm::Scan::local): Handle the ARM group relocations.
1482         (Target_arm::Scan::global): Likewise.
1483         (Target_arm::Relocate::relocate): Likewise.
1484         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1485         Likewise.
1486
1487 2010-01-26  Doug Kwan  <dougkwan@google.com>
1488
1489         * arm.cc (set): Include.
1490         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1491         pointer type.
1492         (Arm_output_section::Text_section_list): New type.
1493         (Arm_output_section::append_text_sections_to_list): New method.
1494         (Arm_output_section::fix_exidx_coverage): Ditto.
1495         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1496         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1497         Relobj::set_section_offset() instead of
1498         Sized_relobj::invalidate_section_offset().
1499         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1500         parameter for section headers. Ignore relocation sections for
1501         unallocated sections and EXIDX sections.
1502         (Target_arm::fix_exidx_coverage): New method.
1503         (Target_arm::output_section_address_less_than): New type.
1504         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1505         linked text section instead of the EXIDX section.
1506         (Arm_output_section::create_stub_group): Add an assertion to check
1507         that this is not an EXIDX output section.
1508         (Arm_output_section::append_text_sections_to_list): New method.
1509         (Arm_output_section::fix_exidx_coverage): Ditto.
1510         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1511         Arm_relobj::section_needs_reloc_stub_scanning.
1512         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1513         first pass.
1514         (Target_arm::fix_exidx_coverage): New method.
1515         * object.h (Relobj::set_output_section): New method.
1516         (Sized_relobj::invalidate_section_offset): Remove method.
1517         (Sized_relobj::do_invalidate_section_offset): Remove method.
1518         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1519
1520 2010-01-25  Doug Kwan  <dougkwan@google.com>
1521
1522         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1523         Fix warning due to signed and unsigned comparison on a 32-bit host.
1524
1525 2010-01-22  Doug Kwan  <dougkwan@google.com>
1526
1527         * arm.cc (Target_arm::do_relax): Record an output section for section
1528         offset adjustment it contains any stub table that has changed.
1529         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1530         offsets in an output section if necessary.
1531         * output.cc (Output_section::Output_section): Initialize
1532         section_offsets_need_adjustments_.
1533         (Output_section::add_input_section_for_script): Renamed to
1534         Output_section::add_simple_input_section.
1535         (Output_section::save_states): Add a comment.
1536         (Output_section::discard_states): New method defintion.
1537         (Output_section::adjust_section_offsets): Same.
1538         * output.h (Output_section::add_input_section_for_script): Renamed to
1539         Output_section::add_simple_input_section.
1540         (Output_section::discard_states): New method declaration.
1541         (Output_section::adjust_section_offsets): Same.
1542         (Output_section::section_offsets_need_adjustment,
1543         Output_section::set_section_offsets_need_adjustment): New method
1544         definitions.
1545         (Output_section::section_offsets_need_adjustment_): New data member.
1546         * script-sections.cc
1547         (Output_section_element_input::set_section_address): Adjust code for
1548         renaming of Output_section::add_input_section_for_script.
1549         (Orphan_output_section::set_section_address): Same.
1550
1551 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1552
1553         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1554         Fix_v4bx enum values .
1555         * gold/options.h (General_options): New option definitions.
1556         (General_options::fix_v4bx): New method.
1557         (General_options::Fix_v4bx): New enum.
1558         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1559         (General_options::parse_fix_v4bx_interworking): New method.
1560
1561 2010-01-22  Doug Kwan  <dougkwan@google.com>
1562
1563         * arm.cc (Arm_exidx_fixup): New class.
1564
1565 2010-01-21  Doug Kwan  <dougkwan@google.com>
1566
1567         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1568         classes.
1569         (Arm_exidx_section_offset_map): New type.
1570
1571 2010-01-21  Doug Kwan  <dougkwan@google.com>
1572
1573         * arm.cc (Arm_exidx_input_section): New class.
1574         (Arm_relobj::exidx_input_section_by_link,
1575         Arm_relobj::exidx_input_section_by_shndx,
1576         Arm_relobj::make_exidx_input_section): New methods.
1577         (read_arm_attributes_section): Remove.
1578         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1579         information about them.
1580         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1581         to here.
1582
1583 2010-01-20  Doug Kwan  <dougkwan@google.com>
1584
1585         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1586         Input_section_specifier to Section_id.
1587         (Target_arm::new_arm_input_section: Adjust code for change of key
1588         type.
1589         (Target_arm::find_arm_input_section): Ditto.
1590         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1591         (Section_id): Remove.
1592         (Garbage_collection::Section_id_hash): Remove.
1593         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1594         (Section_id): Remove.
1595         (Icf::Section_id_hash): Remove.
1596         * object.h (Section_id, Const_section_id, Section_id_hash,
1597         Const_section_id_hash): New type definitions.
1598         * output.cc (Output_section::add_relaxed_input_section): Change to
1599         use Const_section_id instead of Input_section_specifier as key type.
1600         (Output_section::add_merge_input_section): Ditto.
1601         (Output_section::build_relaxation_map): Change to use Section_id
1602         instead of Input_section_specifier as key type.
1603         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1604         Ditto.
1605         (Output_section::convert_input_sections_to_relaxed_sections): Change
1606         to use Const_section_id instead of Input_section_specifier as key type.
1607         (Output_section::find_merge_section): Ditto.
1608         (Output_section::find_relaxed_input_section): Ditto.
1609         * output.h (Input_section_specifier): Remove class.
1610         (Output_section::Output_section_data_by_input_section_map): Change
1611         key type to Const_section_id.
1612         (Output_section::Output_relaxed_input_section_by_input_section_map):
1613         Ditto.
1614         (Output_section::Relaxation_map): Change key type to Section_id.
1615
1616 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1617
1618         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1619         (class Arm_v4bx_stub): New class.
1620         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1621         (Stub_factory::make_arm_v4bx_stub): New method.
1622         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1623         (Stub_table::empty): Handle v4bx stubs.
1624         (Stub_table::add_arm_v4bx_stub): New method.
1625         (Stub_table::find_arm_v4bx_stub): New method.
1626         (Arm_relocate_functions::v4bx): New method.
1627         (Target_arm::fix_v4bx): New method.
1628         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1629         (Stub_table::relocate_stubs): Likewise.
1630         (Stub_table::do_write): Likewise.
1631         (Stub_table::update_data_size_and_addralign): Likewise.
1632         (Stub_table::finalize_stubs):  Likewise.
1633         (Target_arm::Scan::local): Likewise.
1634         (Target_arm::Scan::global): Likewise.
1635         (Target_arm::do_finalize_sections): Likewise.
1636         (Target_arm::Relocate::relocate): Likewise.
1637         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1638         Likewise.
1639         (Target_arm::scan_reloc_for_stub): Likewise.
1640         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1641
1642 2010-01-19  Ian Lance Taylor  <iant@google.com>
1643
1644         * output.cc (Output_section_headers::do_sized_write): Write large
1645         segment count to sh_info field.
1646         (Output_file_header::do_sized_write): For large segment count,
1647         write PN_XNUM to e_phnum field.
1648
1649 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1650
1651         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1652         (Arm_relocate_functions::thm_jump8): New function.
1653         (Arm_relocate_functions::thm_jump11): New function.
1654         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1655         R_ARM_THM_JUMP11.
1656         (Target_arm::Scan::global): Likewise.
1657         (Target_arm::Relocate::relocate): Likewise.
1658         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1659         Likewise.
1660
1661 2010-01-14  Doug Kwan  <dougkwan@google.com>
1662
1663         * arm.cc (map, utility): Include headers.
1664         (Target_arm::apply_cortex_a8_workaround): New method.
1665         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1666         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1667         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1668         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1669         the --[no-]fix-cortex-a8 command line options.
1670         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1671         (Target_arm::relocate_stub): Use addend in instruction template.
1672         * options.h (DEFINE_bool): Set the user-set flag.
1673         (General_options): Add --[no-]-fix-cortex options.
1674         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1675         : Update fast look-up map after conversion. 
1676
1677 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1678
1679         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1680         in the first pass of do_layout.
1681
1682 2010-01-13  Doug Kwan  <dougkwan@google.com>
1683
1684         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1685         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1686         apparent compiler problem of not folding static constant integral
1687         data members of elfcpp::Elf_sizes<32>.
1688
1689 2010-01-13  Doug Kwan  <dougkwan@google.com>
1690
1691         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1692         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1693         Arm_relobj::scan_section_for_cortex_a8_erratum,
1694         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1695         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1696         sections to scan for relocation stubs into a new method
1697         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1698         relocation and Cortex-A8 stub scanning.
1699         (Target_arm::do_relax): Force stubs to be after stubbed sections
1700         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1701         the beginning of a new relaxation pass.  Update a comment. 
1702         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1703
1704 2010-01-12  Ian Lance Taylor  <iant@google.com>
1705
1706         * target-reloc.h (visibility_error): New inline function.
1707         (relocate_section): Call visibility_error.
1708         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1709         (MOSTLYCLEANFILES): Likewise.
1710         (protected_4_pic.o, protected_3.err): New targets.
1711         * testsuite/protected_4.cc: New file.
1712
1713 2010-01-12  Doug Kwan  <dougkwan@google.com>
1714
1715         * arm.cc (Cortex_a8_reloc): New class.
1716         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1717         and cortex_a8_relocs_info_.
1718         (Target_arm::fix_cortex_a8): New method definition.
1719         (Target_arm::Cortex_a8_relocs_info): New type.
1720         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1721         New data member declarations.
1722         (Target_arm::scan_reloc_for_stub): Record information about
1723         relocations for THUMB branches that might be exempted from the
1724         Cortex-A8 workaround.
1725         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1726         at the beginning of a relaxation pass.
1727
1728 2010-01-12  Doug Kwan  <dougkwan@google.com>
1729
1730         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1731         (Arm_relobj::Mapping_symbol_position,
1732          Arm_reloj::Mapping_symbol_position_less,
1733          Arm_relobj::Mapping_symbols_info): New types.
1734         (Target_arm::is_mapping_symbol_name): New method definition.
1735         (Arm_relobj::do_count_local_symbols): Save information about mapping
1736         symbols.
1737
1738 2010-01-11  Doug Kwan  <dougkwan@google.com>
1739
1740         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1741         Arm_relocate_functions::thumb32_branch_upper,
1742         Arm_relocate_functions::thumb32_branch_lower,
1743         Arm_relocate_functions::thumb32_cond_branch_offset,
1744         Arm_relocate_functions::thumb32_cond_branch_upper,
1745         Arm_relocate_functions::thumb32_cond_branch_lower,
1746         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1747         branch offset encoding.
1748         (Arm_relocate_functions::thumb_branch_common): Use new branch
1749         offset encoding methods to avoid code duplication.
1750         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1751         (Stub_addend_reader::operator()): Use new branch encoding method
1752         to avoid code duplication.
1753
1754 2010-01-11  Doug Kwan  <dougkwan@google.com>
1755
1756         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1757         (Target_arm::do_finalize_sections): Define special EXIDX section
1758         symbols only if referenced.
1759         * gc.h (Garbage_collection::add_reference): New method.
1760         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1761         code duplication.
1762
1763 2010-01-11  Ian Lance Taylor  <iant@google.com>
1764
1765         * script.cc (Version_script_info::build_expression_list_lookup):
1766         Change complaing about duplicate wildcard match from error to
1767         warning.
1768
1769         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1770         of 2009-12-30.
1771         (Version_script_info::Version_script_info): Initialize globs_,
1772         default_version_, default_is_global_, and exact_.  Don't
1773         initialize globals_ or locals_.
1774         (Version_script_info::build_lookup_tables): Build local symbols
1775         first.
1776         (Version_script_info::unquote): New function.
1777         (Version_script_info::add_exact_match): New function.
1778         (Version_script_info::build_expression_list_lookup): Remove lookup
1779         parameter.  Add is_global parameter.  Change all callers.  Handle
1780         wildcard pattern specially.  Unquote pattern.  Call
1781         add_exact_match.
1782         (Version_script_info::get_name_to_match): New function.
1783         (Version_script_info::get_symbol_version): New function.
1784         (Version_script_info::get_symbol_version_helper): Remove.
1785         (Version_script_info::check_unmatched_names): Call unquote.
1786         * script.h (class Version_script_info): Change get_symbol_version
1787         to be non-inline and add is_global parameter; change all callers.
1788         Rewrite symbol_is_local.  Update declarations.  Define struct
1789         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1790         Remove globals_ and locals_ members.  Add exact_, globs_,
1791         default_version_, is_global_.
1792         (Version_script_info::Glob): Remove pattern, add expression and
1793         is_global.  Update constructor.  Change all callers.
1794         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1795         default version.
1796         (Versions::symbol_section_contents): If a symbol is undefined, or
1797         defined in a dynamic object, set the version index to
1798         VER_NDX_LOCAL.
1799         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1800         symbol_is_local.
1801         (Symbol_table::add_from_pluginobj): Likewise.
1802         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1803
1804 2010-01-11  Doug Kwan  <dougkwan@google.com>
1805
1806         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1807         (incremental_dump_LDADD): Add linking option for libintl.
1808         * Makefile.in: Regenerate.
1809
1810 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1811
1812         PR gold/11144
1813         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1814         instead of -Ds.
1815         * testsuite/Makefile.in: Regenerated.
1816
1817 2010-01-10  Doug Kwan  <dougkwan@google.com>
1818
1819         * options.h (DEFINE_var): Use parentheses around argument varname__
1820         in macro body to avoid any unintended subsequent substitutions.
1821
1822 2010-01-10  Ian Lance Taylor  <iant@google.com>
1823
1824         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1825         candidates before doing symbol resolution.
1826
1827         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1828         ODR candidates if only one is weak.
1829
1830 2010-01-08  Ian Lance Taylor  <iant@google.com>
1831
1832         * script.cc (Version_script_info::build_expression_list_lookup):
1833         Don't warn about ambiguous version, just record the ambiguity.
1834         (Version_script_info::get_symbol_version_helper): Give error if
1835         version is ambiguous.
1836
1837 2010-01-08  Doug Kwan  <dougkwan@google.com>
1838
1839         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1840           prev_data_size_ and prev_addralign_.  Remove initializer for
1841           deleted data member has_been_changed_.
1842           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1843           to determine if the table is empty.
1844           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1845           Remove.
1846           (Stub_table::add_reloc_stub): Define method in class definition
1847           instead of just declaring it there.
1848           (Stub_table::add_cortex_a8_stub): New method definition.
1849           (Stub_table::update_data_size_and_addralign): Ditto.
1850           (Stub_table::finalize_stubs): Ditto.
1851           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1852           (Stub_table::do_addralign_): Return address alignment in the
1853           (Stub_table::do_reset_address_and_file_offset): Define method in
1854           class definition instead of declaring it there.  Set current data
1855           size to be the data size of the previous pass.
1856           (Stub_table::set_final_data_size): Use current data size as the
1857           final data size.
1858           (Stub_table::relocate_stub): Change parameter type of stub from
1859           Reloc_stub pointer to Stub pointer.
1860           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1861           (Stub_table::Cortex_a8_stub_list): New typedef.
1862           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1863            Stub_table::prev_addralign_): New data member.
1864           (Arm_relobj::Arm_relobj): Initialize data member
1865           section_has_cortex_a8_workaround_.
1866           (Arm_relobj::section_has_cortex_a8_workaround,
1867            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1868            definitions.
1869           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1870           declarations.
1871           (Target_arm::relocate_stub): Change parameter type of stub from
1872           Reloc_stub pointer to Stub pointer.
1873           (Insn_template::size, Insn_template::alignment): Handle
1874           THUMB16_SPECIAL_TYPE.
1875           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1876            Stub_table::update_data_size_and_addralign,
1877            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1878           definitions.
1879           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1880           (Stub_table::do_write): Ditto.
1881           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1882
1883 2010-01-08  Ian Lance Taylor  <iant@google.com>
1884
1885         PR 11108
1886         * symtab.h (class Symbol): Remove fields is_target_special_ and
1887         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1888         (Symbol::is_defined_in_discarded_section): New function.
1889         (Symbol::set_is_defined_in_discarded_section): New function.
1890         (Symbol::has_plt_offset): Rewrite.
1891         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1892         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1893         Don't initialize is_target_special_ or has_plt_offset_.
1894         Initialize is_defined_in_discarded_section_.
1895         (Symbol_table::add_from_relobj): If appropriate, set
1896         is_defined_in_discarded_section.
1897         * resolve.cc (Symbol::override_base_with_special): Don't test
1898         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1899         * target-reloc.h (relocate_section): Do special handling for
1900         symbols defined in discarded sections for global symbols as well
1901         as local symbols.
1902
1903 2010-01-08  Ian Lance Taylor  <iant@google.com>
1904
1905         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1906         the SHT_SYMTAB case.
1907
1908 2010-01-08  Ian Lance Taylor  <iant@google.com>
1909
1910         * object.cc (Sized_relobj::do_layout): Don't get confused if
1911         layout_eh_frame returns NULL.
1912
1913 2010-01-08  Ian Lance Taylor  <iant@google.com>
1914
1915         PR 11084
1916         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1917         dynamic symbol table, use the normal symbol table.
1918         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1919         symbol table.
1920
1921 2010-01-08  Ian Lance Taylor  <iant@google.com>
1922
1923         PR 11072
1924         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1925         sections.
1926
1927 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1928
1929         * version.cc (print_version): Change to "Copyright 2010".
1930
1931 2010-01-08  Ian Lance Taylor  <iant@google.com>
1932
1933         PR 10287
1934         PR 11063
1935         * i386.cc (class Target_i386): Change return type of plt_section
1936         to be non-const.
1937         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1938         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1939         tls_desc_rel_ field.
1940         (Output_data_plt_i386::rel_tls_desc): New function.
1941         (Target_i386::rel_tls_desc_section): New function.
1942         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1943         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1944         R_386_TLS_DESC reloc in rel_tls_desc_section.
1945         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1946         Define struct Tlsdesc_info.
1947         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1948         (Target_x86_64::do_reloc_symbol_index): New function.
1949         (Target_x86_64::add_tlsdesc_info): New function.
1950         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1951         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1952         tlsdesc_rel_ field.
1953         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1954         all callers.
1955         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1956         (Target_x86_64::rela_tlsdesc_section): New function.
1957         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1958         handling.
1959         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1960         (Target_x86_64::do_reloc_addend): New function.
1961         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1962         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1963         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1964         (Output_reloc::type): New function.
1965         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1966         (Output_reloc::is_target_specific): New function.
1967         (Output_reloc::target_arg): New function.
1968         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1969         absolute relocs and target specific relocs.
1970         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1971         add_target_specific.
1972         (class Output_data_reloc) [SHT_RELA]: Likewise.
1973         * output.cc (Output_reloc::Output_reloc): Add four new versions
1974         for absolute relocs and target specific relocs.
1975         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1976         (Output_reloc::get_symbol_index): Likewise.
1977         (Output_reloc::local_section_offset): Check that local_sym_index_
1978         is not TARGET_CODE or 0.
1979         (Output_reloc::symbol_value): Likewise.
1980         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1981         reloc.
1982         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1983         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1984         functions.
1985         * layout.cc (add_target_dynamic_tags): Use output section for
1986         DT_PLTRELSZ and DT_JMPREL.
1987
1988 2010-01-07  Ian Lance Taylor  <iant@google.com>
1989
1990         PR 11061
1991         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1992         function.
1993         (class Output_data_reloc_generic): Define.
1994         (class Output_data_reloc_base): Change base class to
1995         Output_data_reloc_generic.  Change add() method to call
1996         bump_relative_reloc_count for a relative reloc.  Remove
1997         sort_relocs_ field.
1998         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1999         to sort_relocs().
2000         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2001         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2002         appropriate.
2003         * layout.h (class Layout): Update declaration.
2004
2005 2010-01-07  Ian Lance Taylor  <iant@google.com>
2006
2007         * output.h (class Output_data): Add const version of
2008         output_section and do_output_section.
2009         (class Output_section_data): Add const version of
2010         do_output_section.
2011         (class Output_section): Likewise.
2012         * layout.cc (Layout::add_target_dynamic_tags): New function.
2013         * layout.h (class Layout): Update declarations.
2014         * arm.cc (Target_arm::do_finalize_sections): Use
2015         add_target_dynamic_tags.
2016         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2017         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2018         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2019         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2020
2021 2010-01-07  Ian Lance Taylor  <iant@google.com>
2022
2023         PR 11042
2024         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2025         object as needed.
2026
2027 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2028             Ian Lance Taylor  <iant@google.com>
2029
2030         PR 11019
2031         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2032         Xindex::read_symtab_xindex.
2033
2034 2010-01-07  Doug Kwan  <dougkwan@google.com>
2035
2036         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2037         (Insn_template::thumb16_bcond_insn): New method declaration.
2038         (Insn_template): Fix spelling.
2039         (Stub::thumb16_special): New method declaration.
2040         (Stub::do_write): Define virtual method which was previously pure
2041         virtual.
2042         (Stub::do_thumb16_special): New method declaration.
2043         (Stub::do_fixed_endian_write): New template member.
2044         (Reloc_stub::do_write): Remove.
2045         (Reloc_stub::do_fixed_endian_write): Remove.
2046         (Cortex_a8_stub): New class definition.
2047         (Stub_factory::make_cortex_a8_stub): New method definition.
2048         (Stub_factory::Stub_factory): Add missing static storage class
2049         qualifier for elf32_arm_stub_a8_veneer_blx.
2050
2051 2010-01-07  Ian Lance Taylor  <iant@google.com>
2052
2053         PR 10980
2054         * options.h (class General_options): Add --warn-unresolved-symbols
2055         and --error-unresolved-symbols.
2056         * errors.cc (Errors::undefined_symbol): Implement
2057         --warn-unresolved-symbols.
2058
2059         * options.h (class General_options): Add -z text and -z textoff.
2060         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2061
2062 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2063
2064         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2065         (Garbage_collection::cident_sections): New function.
2066         (Garbage_collection::add_cident_section): New function.
2067         (Garbage_collection::cident_sections_): New member.
2068         (gc_process_relocs): Add references to sections whose names are C
2069         identifiers.
2070         * gold.h (cident_section_start_prefix): New constant.
2071         (cident_section_stop_prefix): New constant.
2072         (is_cident): New function.
2073         * layout.cc (Layout::define_section_symbols): Replace string constants
2074         with the newly defined constants.
2075         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2076         C identifiers.
2077         * testsuite/Makefile.am: Add gc_orphan_section_test.
2078         * testsuite/Makefile.in: Regenerate.
2079         * testsuite/gc_orphan_section_test.cc: New file.
2080         * testsuite/gc_orphan_section_test.sh: New file.
2081
2082 2010-01-06  Ian Lance Taylor  <iant@google.com>
2083
2084         PR 10980
2085         * options.h (class General_options): Add --warn-shared-textrel.
2086         * layout.cc (Layout::finish_dynamic_section): Implement
2087         --warn-shared-textrel.
2088
2089         PR 10980
2090         * options.h (class General_options): Add --warn-multiple-gp.
2091
2092 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2093
2094         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2095         $(THREADSLIB) and $(LIBDL).
2096         * Makefile.in: Rebuild.
2097
2098 2010-01-06  Ian Lance Taylor  <iant@google.com>
2099
2100         PR 10980
2101         * options.cc (General_options::parse_section_start): New function.
2102         (General_options::section_start): New function.
2103         (General_options::General_options): Initialize all members.
2104         * options.h: Include <map>
2105         (class General_options): Add --section-start.  Add section_starts_
2106         member.
2107         * layout.cc (Layout::attach_allocated_section_to_segment): If
2108         --section-start was used, set the address of the segment.  Remove
2109         local sort_sections.
2110         (Layout::relaxation_loop_body): If the address of the load segment
2111         has been set by --section-start, don't use it.
2112         * output.h (Output_segment::update_flags_for_output_section): New
2113         function.
2114         * output.cc (Output_segment::add_output_section): Call
2115         update_flags_for_output_section.
2116
2117 2010-01-05  Ian Lance Taylor  <iant@google.com>
2118
2119         PR 10980
2120         * options.h (class General_options): Add --undefined-version.
2121         * script.cc (struct Version_expression): Add was_matched_by_symbol
2122         field.
2123         (Version_script_info::matched_symbol): New function.
2124         (Version_script_info::get_symbol_version_helper): Call
2125         matched_symbol.
2126         (Version_script_info::check_unmatched_names): New function.
2127         * script.h (class Version_script_info): Update declarations.
2128         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2129
2130         * options.h (class General_options): Use DEFINE_bool_alias for
2131         allow_multiple_definition.
2132         * resolve.cc (Symbol_table::should_override): Don't test
2133         allow_multiple_definition.
2134
2135         PR 10980
2136         * options.h (class General_options): Add --cref.
2137         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2138         until after printing cref table.
2139         * cref.cc: Include "symtab.h".
2140         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2141         (Cref_table_compare::operator()): New function.
2142         (Cref_inputs::gather_cref): New function.
2143         (filecol): New static const.
2144         (Cref_inputs::print_cref): New function.
2145         (Cref::print_cref): New function.
2146         * cref.h: Include <cstdio>.
2147         (class Cref): Update declarations.
2148         * mapfile.h (Mapfile::file): New function.
2149         * object.h (class Object): Define Symbols.  Declare virtual
2150         do_get_global_symbols.
2151         (Object::get_global_symbols): New function.
2152         * object.cc (Input_objects::add_object): Pass object to cref_ if
2153         --cref.
2154         (Input_objects::archive_start): Likewise.
2155         (Input_objects::archive_stop): Likewise.
2156         (Input_objects::print_cref): New function.
2157         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2158         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2159         --cref.
2160         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2161         function.
2162         * plugin.h (class Sized_pluginobj): Update declarations.
2163
2164 2010-01-05  Ian Lance Taylor  <iant@google.com>
2165
2166         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2167         to is_default_version.  Rename insdef to insdefault.
2168         (Symbol_table::add_from_relobj): Rename def to is_default_version
2169         and local to is_forced_local.
2170         (Symbol_table::add_from_pluginobj): Likewise.
2171         (Symbol_table::add_from_dynobj): Likewise.
2172         (Symbol_table::define_special_symbol): Rename insdef to
2173         insdefault.
2174
2175 2010-01-04  Ian Lance Taylor  <iant@google.com>
2176
2177         PR 10980
2178         * options.h (class General_options): Add
2179         --allow-multiple-definition and -z muldefs.
2180         * resolve.cc (Symbol_table::should_override): Don't warn about a
2181         multiple symbol definition if --allow-multiple-definition or -z
2182         muldefs.
2183
2184         PR 10980
2185         * options.h (class General_options): Add --add-needed and
2186         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2187         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2188         error if --copy-dt-needed-entries aka --add-needed is used and
2189         would cause a change in behaviour.
2190
2191         PR 10980
2192         * options.h (class General_options): Add -G as a short version of
2193         --shared.  Add no-op options -assert, -g, and -i.
2194
2195 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2196
2197         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2198         check for .text or .gnu.linkonce.t sections.
2199         * icf.cc (Icf::find_identical_sections): Ditto.
2200         Change the detection for mangled function name within the section
2201         name.
2202         * icf.h (is_section_foldable_candidate): New function.
2203
2204 2009-12-30  Ian Lance Taylor  <iant@google.com>
2205
2206         PR 10980
2207         * options.h (class General_options): Permit two dashes with
2208         --retain-symbols-file.
2209
2210 2009-12-30  Ian Lance Taylor  <iant@google.com>
2211
2212         PR 10979
2213         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2214         don't put the file header and segment headers in the text
2215         segment.
2216
2217         PR 10979
2218         * common.cc (Sort_commons::operator()): Stabilize sort when both
2219         entries are NULL.
2220         (Symbol_table::do_allocate_commons_list): When allocating common
2221         symbols, skip a symbol which is no longer common.
2222         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2223         an object before checking its type.
2224         * testsuite/common_test_2.c: New file.
2225         * testsuite/common_test_3.c: New file.
2226         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2227         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2228         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2229         (common_test_2_pic.o, common_test_2.so): New targets.
2230         (common_test_3_pic.o, common_test_3.so): New targets.
2231         * testsuite/Makefile.in: Rebuild.
2232
2233         PR 10979
2234         * script.cc (read_input_script): If we see a new SECTIONS clause,
2235         and we have added an input section, give an error.
2236         * layout.h (class Layout): Add have_added_input_section function.
2237         Add have_added_input_section_ field.
2238         * layout.cc (Layout::Layout): Initialize
2239         have_added_input_section_.
2240         (Layout::layout): Set have_added_input_section_.
2241         (Layout::layout_eh_frame): Likewise.
2242
2243 2009-12-30  Ian Lance Taylor  <iant@google.com>
2244
2245         PR 10931
2246         * options.h (class General_options): Add --sort-common option.
2247         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2248         * common.cc (Sort_common): Add sort_order parameter to
2249         constructor.  Add sort_order_ field.
2250         (Sort_commons::operator): Check sort_order_.
2251         (Symbol_table::allocate_commons): Determine the sort order.
2252         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2253         Change all callers.
2254         (Symbol_table::do_allocate_commons_list): Likewise.
2255
2256 2009-12-30  Ian Lance Taylor  <iant@google.com>
2257
2258         PR 10916
2259         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2260         symbols from this object, don't change the visibility of an
2261         undefined symbol.
2262         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2263
2264 2009-12-30  Ian Lance Taylor  <iant@google.com>
2265
2266         PR 10861
2267         * script.h (class Version_script_info): Define Language enum.
2268         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2269         new fields globals_, locals_, and is_finalized_.
2270         * script.cc: Various formatting fixes.
2271         (class Parser_closure): Change language_stack_ from a vector of
2272         std::string to one of Version_script_info::Language.  Adjust all
2273         uses accordingly.
2274         (class Lazy_demangler): Remove.
2275         (struct Version_expression): Change language from std::string to
2276         Version_script_info::Language.
2277         (Version_script_info::Version_script_info): New function.
2278         (Version_script_info::~Version_script_info): Don't call clear.
2279         (Version_script_info::finalize): New function.
2280         (Version_script_info::build_lookup_tables): New function.
2281         (Version_script_info::build_expression_list_lookup): New
2282         function.
2283         (Version_script_info::get_symbol_version_helper): Rewrite to use
2284         lookup tables.
2285         (Version_script_info::print_expression_list): Adjust to use
2286         Version_script_info::Language.
2287         (script_push_lex_into_version_mode): Check that the version script
2288         has not been finalized.
2289         (version_script_push_lang): Change language string to
2290         Version_script_info::Language.
2291         * options.cc (Command_line::version_script): New function.
2292         * options.h (class General_options): Add finalize_dynamic_list
2293         function.  Change version_script from declaration to definition.
2294         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2295         * testsuite/version_script.map: Remove duplicate def of foo.
2296         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2297         version_script.map.
2298         * testsuite/Makefile.in: Rebuild.
2299
2300 2009-12-30  Ian Lance Taylor  <iant@google.com>
2301
2302         PR 10843
2303         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2304         if the input symbol index is 0, make the output symbol index 0.
2305
2306 2009-12-30  Ian Lance Taylor  <iant@google.com>
2307
2308         PR 10670
2309         * options.h (class General_options): Add -x/--discard-all.
2310         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2311         --discard-all.  If the local symbol needs a dynamic entry, check
2312         that before handling --discard-locals.
2313
2314 2009-12-30  Ian Lance Taylor  <iant@google.com>
2315
2316         PR 10450
2317         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2318         flags to PF_R.
2319         (Output_segment::add_output_section): Don't change the flags if
2320         the type is PT_TLS.
2321
2322         PR 10450
2323         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2324         GNU hash table if they need a dynamic value.  Otherwise, don't add
2325         them if they are defined in a dynamic object or are forced local.
2326
2327 2009-12-29  Ian Lance Taylor  <iant@google.com>
2328
2329         PR 10450
2330         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2331         .gnu.hash table for a 32-bit target.
2332
2333         PR 10450
2334         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2335         regular and a dynamic object only needs a dynamic symbol table
2336         entry if it is externally visible.
2337
2338         PR 10450
2339         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2340         constructor.  Add global_offset_table_ field.
2341         (Target_i386::got_section): Set global_offset_table_.
2342         (Target_i386::do_finalize_sections): Set global_offset_table_
2343         size.
2344         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2345         in constructor.  Add global_offset_table_ field.
2346         (Target_x86_64::got_section): Set global_offset_table_.
2347         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2348         size.
2349
2350         * layout.cc (Layout::Layout): Initialize increase_relro_.
2351         (Layout::get_output_section): Add is_relro, is_last_relro, and
2352         is_first_non_relro parameters.  Change all callers.
2353         (Layout::choose_output_section): Likewise.
2354         (Layout::add_output_section_data): Likewise.
2355         (Layout::make_output_section): Likewise.
2356         (Layout::set_segment_offsets): Clear increase_relro when using a
2357         linker script.
2358         * layout.h (class Layout): Add increase_relro method.  Add
2359         increase_relro_ field.  Update declarations.
2360         * output.cc (Output_section::Output_section): Initialize
2361         is_last_relro_ and is_first_non_relro_.
2362         (Output_segment::add_output_section): Group relro sections is
2363         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2364         (Output_segment::maximum_alignment): Remove relro handling.
2365         (Output_segment::set_section_addresses): Add increase_relro
2366         parameter.  Change all callers.  Add initial alignment to align
2367         relro sections on separate page.  Remove old relro handling.
2368         (Output_segment::set_section_list_addresses): Remove in_relro
2369         parameter.  Change all callers.
2370         (Output_segment::set_offset): Add increase parameter.  Change all
2371         callers.  Remove old relro handling.
2372         * output.h (class Output_section): Add new methods: is_last_relro,
2373         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2374         Add is_last_relro_ and is_first_non_relro_ fields.
2375         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2376         Create separate .got.plt section.  Call increase_relro.
2377         * x86_64.cc (Target_x86_64::got_section): Likewise.
2378         * testsuite/relro_script_test.t: Add .got.plt.
2379
2380         PR 10450
2381         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2382         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2383         (Layout::finalize): Call set_dynamic_symbol_size.
2384         (Layout::set_dynamic_symbol_size): New function.
2385         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2386         set_dynamic_symbol_size.
2387
2388         PR 10450
2389         * output.h (class Output_section): Add is_entsize_zero_ field.
2390         * output.cc (Output_section::Output_section): Initialize
2391         is_entsize_zero_.
2392         (Output_section::set_entsize): If two different entsizes are
2393         requested, force it to zero.
2394         (Output_section::add_input_section): Set flags for .debug_str
2395         before updating section flags.  Set entsize.
2396         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2397         and SHF_STRING if all input sections have those flags.
2398
2399 2009-12-29   Rafael Espindola  <espindola@google.com>
2400
2401         * main.cc (main): Fix the sys time reporting.
2402         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2403         reporting.
2404
2405 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2406
2407         * options.cc (General_options::parse_version): Allow -v to exit
2408         without an error if there is nothing to link.
2409
2410 2009-12-29  Ian Lance Taylor  <iant@google.com>
2411
2412         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2413         using a version of gcc before 4.1.
2414         * configure: Rebuild.
2415
2416 2009-12-28  Chris Demetriou  <cgd@google.com>
2417
2418         * attributes.cc (Output_attributes_section_data::do_write): Use
2419         std::vector::front rather than std::vector::data.
2420
2421 2009-12-28  Ian Lance Taylor  <iant@google.com>
2422
2423         * symtab.h (class Symbol_table): Add enum Defined.
2424         * resolve.cc (Symbol_table::should_override): Add defined
2425         parameter.  Change all callers.  Test whether object is NULL
2426         before calling a method on it.
2427         (Symbol_table::report_resolve_problem): Add defined parameter.
2428         Change all callers.
2429         (Symbol_table::should_override_with_special): Likewise.
2430         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2431         parameter.  Change all callers.
2432         (Symbol_table::do_define_in_output_data): Likewise.
2433         (Symbol_table::define_in_output_segment): Likewise.
2434         (Symbol_table::do_define_in_output_segment): Likewise.
2435         (Symbol_table::define_as_constant): Likewise.
2436         (Symbol_table::do_define_as_constant): Likewise.
2437         * script.h (class Symbol_assignment): Add is_defsym parameter to
2438         constructor; change all callers.
2439         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2440         parameter.  Change all callers.  Add is_defsym_ field.
2441         (class Parser_closure): Add parsing_defsym parameter to
2442         constructor; change all callers.  Add parsing_defsym accessor
2443         function.  Add parsing_defsym_ field.
2444
2445 2009-12-28  Ian Lance Taylor  <iant@google.com>
2446
2447         * gold.cc (queue_middle_tasks): Fix formatting.
2448         * object.cc (Relobj::is_section_name_included): Likewise.
2449
2450 2009-12-23  Ian Lance Taylor  <iant@google.com>
2451
2452         * i386.cc (Target_i386::do_calls_non_split): Recognize
2453         -fsplit-stack prologue for a function with a static chain.
2454         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2455         -fsplit-stack prologue when using %r11.
2456
2457 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2458
2459         * options.cc (General_options::parse_version): Make -v continue and do
2460         the link like GNU ld does.
2461
2462 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2463
2464         * Makefile.am (CCFILES): Add timer.cc.
2465         (HFILES): Add timer.h.
2466         * configure.ac: Check for sysconf and times.
2467         * main.cc: include timer.h.
2468         (main): Use Timer instead of get_run_time.
2469         * timer.cc: New.
2470         * timer.h: New.
2471         * workqueue.cc: include timer.h.
2472         (Workqueue::find_and_run_task):
2473         Report user, sys and wall time.
2474         * Makefile.in: Regenerate.
2475         * config.in: Regenerate.
2476         * configure: Regenerate.
2477
2478 2009-12-16  Doug Kwan  <dougkwan@google.com>
2479
2480         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2481         sections.
2482         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2483         relaxed input sections.
2484         * output.cc (Output_section::find_relaxed_input_section): Change
2485         return type to Output_relaxed_input_section pointer.  Adjust code
2486         for new type of relaxed_input_section_map_.
2487         * output.h (Output_section::find_relaxed_input_section): Change
2488         return type to Output_relaxed_input_section pointer.
2489         (Output_section::Output_relaxed_input_section_by_input_section_map):
2490         New type.
2491         (Output_section::relaxed_input_section_map_): Change type to
2492         Output_section::Output_relaxed_input_section_by_input_section_map.
2493         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2494         input section.
2495
2496 2009-12-15  Ian Lance Taylor  <iant@google.com>
2497
2498         * layout.cc (Layout::create_shstrtab): Only write out after input
2499         sections if we are compressing debug sections.
2500
2501 2009-12-15  Ian Lance Taylor  <iant@google.com>
2502
2503         * archive.cc (Archive::add_symbols): Only look up a symbol without
2504         a version if there is, in fact, a version.
2505
2506 2009-12-14  Ian Lance Taylor  <iant@google.com>
2507
2508         Revert -Wshadow changes, all changes from:
2509         2009-12-11  Doug Kwan  <dougkwan@google.com>
2510         2009-12-11  Nick Clifton  <nickc@redhat.com>
2511         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2512
2513 2009-12-11  Doug Kwan  <dougkwan@google.com>
2514
2515         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2516         due to -Wshadow.
2517         * attributes.cc (Object_attribute::size): Ditto.
2518         (Attributes_section_data::size): Ditto.
2519         (Attributes_section_data::Attributes_section_data): Ditto.
2520         (Output_attributes_section_data::do_write): Ditto.
2521         * attributes.h (Object_attribute::set_type): Ditto.
2522         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2523
2524 2009-12-11  Nick Clifton  <nickc@redhat.com>
2525
2526         * archive.cc: Fix shadowed variable warnings.
2527         * arm.cc: Likewise.
2528         * compressed_output.cc: Likewise.
2529         * compressed_output.h: Likewise.
2530         * configure: Likewise.
2531         * dwarf_reader.cc: Likewise.
2532         * dynobj.cc: Likewise.
2533         * dynobj.h: Likewise.
2534         * ehframe.cc: Likewise.
2535         * ehframe.h: Likewise.
2536         * errors.cc: Likewise.
2537         * expression.cc: Likewise.
2538         * fileread.cc: Likewise.
2539         * fileread.h: Likewise.
2540         * freebsd.h: Likewise.
2541         * i386.cc: Likewise.
2542         * icf.cc: Likewise.
2543         * incremental.h: Likewise.
2544         * layout.cc: Likewise.
2545         * layout.h: Likewise.
2546         * mapfile.cc: Likewise.
2547         * merge.cc: Likewise.
2548         * merge.h: Likewise.
2549         * object.cc: Likewise.
2550         * object.h: Likewise.
2551         * options.h: Likewise.
2552         * output.cc: Likewise.
2553         * output.h: Likewise.
2554         * parameters.cc: Likewise.
2555         * plugin.cc: Likewise.
2556         * powerpc.cc: Likewise.
2557         * reduced_debug_output.cc: Likewise.
2558         * reduced_debug_output.h: Likewise.
2559         * reloc.cc: Likewise.
2560         * reloc.h: Likewise.
2561         * resolve.cc: Likewise.
2562         * script-sections.cc: Likewise.
2563         * script.cc: Likewise.
2564         * script.h: Likewise.
2565         * sparc.cc: Likewise.
2566         * symtab.cc: Likewise.
2567         * symtab.h: Likewise.
2568         * target-select.cc: Likewise.
2569         * target-select.h: Likewise.
2570         * token.h: Likewise.
2571         * workqueue.cc: Likewise.
2572         * workqueue.h: Likewise.
2573         * x86_64.cc: Likewise.
2574
2575 2009-12-10  Doug Kwan  <dougkwan@google.com>
2576
2577         * arm.cc (attributes.h): New include.
2578         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2579         (Arm_relobj::~Arm_relobj): Delete object pointed by
2580         attributes_section_data_.
2581         (Arm_relobj::attributes_section_data): New method definition.
2582         (Arm_relobj::attributes_section_data_): New data member declaration.
2583         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2584         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2585         attributes_section_data_.
2586         (Arm_dynobj::attributes_section_data): New method definition.
2587         (Arm_dynobj::attributes_section_data_): New data member declaration.
2588         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2589         initialization value of may_use_blx_ to false.
2590         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2591         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2592         object attributes to compute results instead of hard-coding.
2593         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2594         Target_arm::get_secondary_compatible_arch,
2595         Target_arm::set_secondary_compatible_arch
2596         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2597         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2598         New method declarations.
2599         (Target_arm::get_aeabi_object_attribute): New method definition.
2600         (Target_arm::attributes_section_data_): New data member declaration.
2601         (read_arm_attributes_section): New template definition.
2602         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2603         (Arm_dynobj::do_read_symbols): Ditto.
2604         (Target_arm::do_finalize_sections): Merge attributes sections from
2605         input.  Check for BLX use after attributes section merging.
2606         Fix __exidx_start and __exidx_end visibility.  Create an
2607         .ARM.attributes section if necessary.
2608         (Target_arm::get_secondary_compatible_arch,
2609         Target_arm::set_secondary_compatible_arch,
2610         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2611         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2612         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2613         New method definitions.
2614
2615 2009-12-09  Ian Lance Taylor  <iant@google.com>
2616
2617         * plugin.cc (Plugin::load): Don't cast from void* to a function
2618         pointer.
2619
2620 2009-12-09  Ian Lance Taylor  <iant@google.com>
2621
2622         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2623         information fields.
2624
2625 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2626
2627         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2628         Replace two_file_shared_1.so with two_file_shared_2.so.
2629         * testsuite/Makefile.in: Regenerated.
2630
2631 2009-12-08  Doug Kwan  <dougkwan@google.com>
2632
2633         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2634         (HFILES): Add attributes.h and int_encoding.h.
2635         * Makefile.in: Regenerate.
2636         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2637         function definitions to int_encoding.cc
2638         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2639         prototypes to int_encoding.h
2640         * reduced_debug_output.cc (int_encoding.h): New include.
2641         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2642         function definitions to int_encoding.cc
2643         (insert_into_vector, read_from_pointer): Move template definitions to
2644         int_encoding.h
2645         * attributes.cc: New file.
2646         * attributes.h: New file.
2647         * int_encoding.cc: New file.
2648         * int_encoding.h: New file.
2649
2650 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2651
2652         PR gold/11055
2653         * incremental-dump.cc (dump_incremental_inputs): New.
2654         (main): Use dump_incremental_inputs.
2655
2656 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2657
2658         PR gold/10893
2659         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2660         checking elfcpp::STT_FUNC.
2661         (Target_i386::Relocate::relocate): Likewise.
2662         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2663
2664         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2665         symbols from shared libraries into normal FUNC symbols.
2666
2667         * symtab.h (Symbol): Add is_func and use it.
2668
2669 2009-12-05  Doug Kwan  <dougkwan@google.com>
2670
2671         * arm.cc (Target_arm::arm_info): Initialize new fields
2672         attributes_section and attributes_vendor.
2673         * i386.cc (Target_i386::i386_info): Same.
2674         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2675         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2676         fields attributes_section and attributes_vendor.
2677         * sparc.cc (Target_sparc::sparc_info): Same.
2678         * target.h (Target::attributes_section, Target::attributes_vendor,
2679         Target::is_attributes_section, Target::attribute_arg_type,
2680         Target::attributes_order): New method definitions.
2681         (Target::Target_info::attributes_section,
2682         Target::Target_info::attributes_vendor): New fields.
2683         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2684         virtual method definitions.
2685         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2686         attributes_section and attributes_vendor.
2687         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2688
2689 2009-12-05  Doug Kwan  <dougkwan@google.com>
2690
2691         * arm.cc: Update comments about interworking and stub generation.
2692         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2693         considered as non-PIC.
2694         (Arm_relocate_functions::base_abs): Fix formatting.
2695         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2696         of function to use GOT entry address instead of offset.
2697         (Target_arm::Scan::global): Issue an error if a symbol would need a
2698         PLT does not get one because it is untyped.  Remove code to create
2699         dynamic symbols for relative branches.
2700         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2701         takes unsigned integer instead of boolean.
2702
2703 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2704
2705         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2706         (two_file_test_LDADD): Likewise.
2707         (common_test_1_LDADD): Likewise.
2708         (exception_test_LDADD) Likewise.
2709         (weak_test_LDADD): Likewise.
2710         (many_sections_test_LDADD): Likewise.
2711         (initpri1_LDADD): Likewise.
2712         (script_test_1_LDADD): Likewise.
2713         (script_test_2_LDADD): Likewise.
2714         (justsyms_LDADD): Likewise.
2715         (binary_test_LDADD): Likewise.
2716         (large_LDADD): Likewise.
2717         * testsuite/Makefile.in: Regenerated.
2718
2719 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2720
2721         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2722         (Symbol_table::override_with_special): Likewise.
2723         (Symbol_table::add_from_object): Likewise.
2724
2725 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2726
2727         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2728         Don't set the data_offset twice.
2729
2730 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2731
2732         * testsuite/Makefile.in: Regenerate.
2733
2734 2009-12-03  Doug Kwan  <dougkwan@google.com>
2735
2736         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2737         (Target_arm::do_finalize_sections): Add parameter for symbol table
2738         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2739         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2740         parameter for symbol table pointer.
2741         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2742         an additional parameter for a pointer to symbol table.
2743         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2744         parameter for a symbol table pointer.
2745         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2746         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2747         Ditto.
2748         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2749         parameter for a symbol table pointer.
2750
2751 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2752
2753         * incremental.cc (Incremental_inputs_header)
2754         (Incremental_inputs_header_write, Incremental_inputs_entry)
2755         (Incremental_inputs_entry_write): Move ...
2756         * incremental.h (Incremental_inputs_header)
2757         (Incremental_inputs_header_write, Incremental_inputs_entry)
2758         (Incremental_inputs_entry_write): here.
2759
2760 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2761
2762         * incremental.cc (make_sized_incremental_binary): Set the target.
2763         Error if it is incompatible.
2764         * output.h (Output_file): Add filename method.
2765
2766 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2767
2768         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2769         from the get_* methods.
2770
2771 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2772
2773         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2774         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2775         Write 0 for the data_offset of scripts.
2776
2777 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2778
2779         * testsuite/Makefile.am: Add the incremental_test.sh test.
2780         * testsuite/incremental_test.sh: New.
2781         * testsuite/incremental_test_1.c: New.
2782         * testsuite/incremental_test_2.c: New.
2783
2784 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2785
2786        * incremental-dump.cc (main): Fix typos.
2787
2788 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2789
2790         PR gold/11025
2791         * incremental-dump.cc (main): Use llu to print 64 bit values.
2792
2793 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2794             H.J. Lu  <hongjiu.lu@intel.com>
2795
2796         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2797         $(LIBDL).
2798         (incremental_dump_LDADD): Likewise.
2799         * Makefile.in: Regenerated.
2800
2801 2009-11-25  Doug Kwan  <dougkwan@google.com>
2802         
2803         Revert:
2804
2805         2009-11-25  Doug Kwan  <dougkwan@google.com>
2806
2807                 * arm.cc (Target_arm::Target_arm): Move method definition
2808                 outside of class definition.  Add code to handle
2809                 --target1-rel, --target1-abs and --target2= options.
2810                 (Target_arm::get_reloc_reloc_type): Change method to be
2811                 non-static and const.
2812                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2813                 New data member declaration.
2814                 (Target_arm::Scan::local, Target_arm::Scan::global,
2815                 Target_arm::Relocate::relocate,
2816                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2817                 Adjust call to Target_arm::get_real_reloc_type.
2818                 (Target_arm::get_real_reloc_type): Use command line options
2819                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2820                 * options.h (--target1-rel, --target1-abs, --target2): New
2821                 ARM-only options.
2822
2823 2009-11-25  Doug Kwan  <dougkwan@google.com>
2824
2825         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2826         class definition.  Add code to handle --target1-rel, --target1-abs
2827         and --target2= options.
2828         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2829         and const.
2830         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2831         member declaration.
2832         (Target_arm::Scan::local, Target_arm::Scan::global,
2833         Target_arm::Relocate::relocate,
2834         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2835         call to Target_arm::get_real_reloc_type.
2836         (Target_arm::get_real_reloc_type): Use command line options to
2837         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2838         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2839         options.
2840
2841 2009-11-25  Doug Kwan  <dougkwan@google.com>
2842
2843         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2844         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2845         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2846         formatting.
2847         (Arm_relocate_functions::thm_call): Replace body with a call to
2848         Arm_relocate_functions::thumb_branch_common.
2849         (Arm_relocate_functions::thm_jump24,
2850         Arm_relocate_functions::thm_xpc22): New method definitions.
2851         (Arm_relocate_functions::thumb_branch_common): New method definition.
2852         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2853         operator.
2854         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2855         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2856
2857 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2858
2859         * Makefile.am: Build incremental-dump
2860         * Makefile.in: Regenerate.
2861         * incremental-dump.cc: New.
2862         * incremental.cc (Incremental_inputs_header_data,
2863         Incremental_inputs_entry_data): Move to incremental.h
2864         * incremental.h: (Incremental_inputs_header_data,
2865         Incremental_inputs_entry_data): Move from incremental.cc
2866
2867 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2868
2869         * incremental.cc (Incremental_inputs_header,
2870         Incremental_inputs_header_write, Incremental_inputs_entry,
2871         Incremental_inputs_entry_write): Add a typedef with the data type.
2872
2873 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2874
2875         * incremental.cc (Incremental_inputs_header,
2876         Incremental_inputs_header_write, Incremental_inputs_entry,
2877         Incremental_inputs_entry_write): Update comment about which
2878         type has the filed descriptions.
2879
2880 2009-11-15  Doug Kwan  <dougkwan@google.com>
2881
2882         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2883         (Arm_relocate_functions::arm_branch_common): Change method defintion
2884         in class definition to a method declaration and update list of formal
2885         parameters.
2886         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2887         Arm_relocation_functions::jump24): Adjust call to
2888         Arm_relocate_functions::arm_branch_common.  Update list of formal
2889         parameters.
2890         (Arm_relocate_functions::xpc25): New method definition.
2891         (Arm_relocate_functions::arm_branch_common): Move method defintion
2892         out from class definition.  Use stubs for mode-switching and extending
2893         branch ranges.
2894         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2895         specially.  Change code to enable use of stubs in ARM branches.
2896
2897 2009-11-10  Doug Kwan  <dougkwan@google.com>
2898
2899         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2900         in method declaration.
2901         (Target_arm::relocate_stub): New method declaration.
2902         (Target_arm::default_target): Change to return a pointer instead of
2903         a const reference.
2904         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2905         Target_arm::default_target.
2906         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2907         method definition.
2908         (Target_arm::relocate_section): Adjust view.
2909         (Target_arm::relocate_stub): New method definition.
2910
2911 2009-11-10  Doug Kwan  <dougkwan@google.com>
2912
2913         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2914         a format warning.
2915         * incremental.cc (open_incremental_binary): Initialized local
2916         variables to avoid warnings.
2917         * object.cc (make_elf_object): Ditto.
2918         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2919         a format warning.
2920  
2921 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2922
2923         PR gold/10930
2924         * testsuite/plugin_test.c: Include "config.h".
2925
2926 2009-11-09  Doug Kwan  <dougkwan@google.com>
2927
2928         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2929         (arm_symbol_value): Remove.
2930         (Arm_relocate_functions::arm_branch_common,
2931         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2932         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2933         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2934         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2935         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2936         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2937         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2938         Arm_relocate_functions::thm_mobw_abs_nc,
2939         Arm_relocate_functions::thm_mov_abs,
2940         Arm_relocate_functions::movw_prel_nc,
2941         Arm_relocate_functions::thm_movt_abs,
2942         Arm_relocate_functions::movt_prel,
2943         Arm_relocate_functions::thm_movw_prel_nc,
2944         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2945         (Target_arm::Relocate::relocate): Only decompose address into two
2946         parts if relocation type uses the thumb-bit and pass the actual
2947         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2948         calls to methods in Arm_relocate_functions for this change.
2949
2950 2009-11-08  Ian Lance Taylor  <iant@google.com>
2951
2952         PR 10925
2953         * reloc.cc: Instantiate
2954         Sized_relobj::initialize_input_to_output_maps and
2955         Sized_relobj:free_input_to_output_maps.
2956
2957 2009-11-06  Ian Lance Taylor  <iant@google.com>
2958
2959         PR 10876
2960         * defstd.cc (in_segment): Set only_if_ref true for "end".
2961
2962 2009-11-06  Doug Kwan  <dougkwan@google.com>
2963
2964         * arm.cc (class Reloc_stub): Correct a comment.
2965         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2966         (Target_arm::scan_section_for_stubs): New method declaration.
2967         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2968         Change methods from private to protected.
2969         (Target_arm::do_may_relax): New method definition.
2970         (Target_arm::do_relax, Target_arm::group_sections,
2971         Target_arm::scan_reloc_for_stub,
2972         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2973         (Target_arm::arm_input_section_map_): New data member declaration.
2974         (Target_arm::scan_reloc_for_stub,
2975         Target_arm::scan_reloc_section_for_stubs,
2976         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2977         Target_arm::do_relax): New method definitions.
2978
2979 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2980
2981         * configure.ac: Check for (struct stat)::st_mtim
2982         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2983         * config.in: Regenerate.
2984         * configure: Regenerate.
2985
2986 2009-11-05  Ian Lance Taylor  <iant@google.com>
2987
2988         PR 10910
2989         * output.cc (Output_segment::add_output_section): Add missing
2990         return statement.
2991
2992 2009-11-04  Ian Lance Taylor  <iant@google.com>
2993
2994         PR 10880
2995         * object.h (class Object): Add is_needed and set_is_needed
2996         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2997         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2998         defined in a dynamic object and referenced by a regular object,
2999         set is_needed for the dynamic object.
3000         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3001         if the file is marked with as_needed and it is not needed.
3002
3003 2009-11-04  Ian Lance Taylor  <iant@google.com>
3004
3005         PR 10887
3006         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3007         tags if data is discarded by linker script.
3008         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3009         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3010         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3011         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3012
3013 2009-11-04  Ian Lance Taylor  <iant@google.com>
3014
3015         * layout.cc (Layout::get_output_section): Add is_interp and
3016         is_dynamic_linker_section parameters.  Change all callers.
3017         (Layout::choose_output_section): Likewise.
3018         (Layout::make_output_section): Likewise.
3019         (Layout::add_output_section_data): Add is_dynamic_linker_section
3020         parameter.  Change all callers.
3021         * layout.h (class Layout): Update declarations.
3022         * output.h (class Output_section): Add is_interp, set_is_interp,
3023         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3024         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3025         generate_code_fills_at_write_ to a bitfield.
3026         * output.cc (Output_section::Output_sections): Initialize new
3027         fields.
3028         (Output_segment::add_output_section): Add do_sort parameter.
3029         Change all callers.
3030
3031 2009-11-03  Ian Lance Taylor  <iant@google.com>
3032
3033         PR 10860
3034         * options.h (class General_options): Add --warn-common.
3035         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3036         merging two common symbols.
3037         (Symbol_table::should_override): Handle --warn-common when merging
3038         a common symbol with a defined symbol.  Use report_resolve_problem
3039         for multiple definitions.
3040         (Symbol_table::report_resolve_problem): New function.
3041         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3042
3043 2009-11-03  Doug Kwan  <dougkwan@google.com>
3044
3045         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3046         stub_factory_.
3047         (Target_arm::stub_factory): New method definition.
3048         (Target_arm::new_arm_input_section,
3049         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3050         Target_arm::reloc_uses_thumb_bit): New method declarations.
3051         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
3052         New type definitions.
3053         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3054         member declarations.
3055         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3056         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3057         New method definitions.
3058
3059 2009-11-03  Ian Lance Taylor  <iant@google.com>
3060
3061         * options.h (class General_options): Add --warn_constructors.
3062
3063 2009-11-03  Ian Lance Taylor  <iant@google.com>
3064
3065         PR 10893
3066         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3067         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3068
3069 2009-11-03  Ian Lance Taylor  <iant@google.com>
3070
3071         PR 10895
3072         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3073         --msgid-bugs-address.
3074         (install-pdf): New target.
3075         (install-data_yes): Look up one directory to find mkinstalldirs.
3076
3077 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3078
3079         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3080         tree.
3081
3082 2009-10-30  Doug Kwan  <dougkwan@google.com>
3083
3084         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3085
3086 2009-10-30  Doug Kwan  <dougkwan@google.com>
3087
3088         * arm.cc (Stub_addend_reader): New struct template definition
3089         and partial specializations.
3090         (Stub_addend_reader::operator()): New method definition for a
3091         partially specialized template.
3092
3093 2009-10-30  Doug Kwan  <dougkwan@google.com>
3094
3095         * arm.cc (Arm_relobj::processor_specific_flags): New method
3096         definition.
3097         (Arm_relobj::do_read_symbols): New method declaration.
3098         (Arm_relobj::processor_specific_flags_): New data member declaration.
3099         (Arm_dynobj): New class definition.
3100         (Target_arm::do_finalize_sections): Add input_objects parameter.
3101         (Target_arm::do_adjust_elf_header): New method declaration.
3102         (Target_arm::are_eabi_versions_compatible,
3103         (Target_arm::merge_processor_specific_flags): New method declaration.
3104         (Target_arm::do_make_elf_object): New overloaded method definitions
3105         and declaration.
3106         (Arm_relobj::do_read_symbols): New method definition.
3107         (Arm_dynobj::do_read_symbols): Ditto.
3108         (Target_arm::do_finalize_sections): Add input_objects parameters.
3109         Merge processor-specific flags from all input objects.
3110         (Target_arm::are_eabi_versions_compatible,
3111         Target_arm::merge_processor_specific_flags,
3112         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3113         New method definitions.
3114         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3115         Input_objects pointer type parameter.
3116         * layout.cc (Layout::finalize): Pass input objects to target's.
3117         finalize_sections function.
3118         * output.cc (Output_file_header::do_sized_write): Set ELF file
3119         header's processor-specific flags.
3120         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3121         Input_objects pointer type parameter.
3122         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3123         * target.h (Input_objects): New forward class declaration.
3124         (Target::processor_specific_flags,
3125         Target::are_processor_specific_flags_sect): New method definitions.
3126         (Target::finalize_sections): Add input_objects parameter.
3127         (Target::Target): Initialize processor_specific_flags_ and
3128         are_processor_specific_flags_set_.
3129         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3130         parameter.
3131         (Target::set_processor_specific_flags): New method definition.
3132         (Target::processor_specific_flags_,
3133         Target::are_processor_specific_flags_set_): New data member
3134         declarations.
3135         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3136         Input_objects pointer type parameter.
3137
3138 2009-10-30  Doug Kwan  <dougkwan@google.com>
3139
3140         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3141
3142 2009-10-28  Ian Lance Taylor  <iant@google.com>
3143
3144         * object.h (class Relobj): Drop options parameter from
3145         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3146         do_scan_relocs, do_relocate.  Change all callers.
3147         (class Sized_relobj): Drop options parameters from
3148         do_gc_process_relocs, do_scan_relocs, do_relocate,
3149         do_relocate_sections, relocate_sections, emit_relocs_scan,
3150         emit_relocs_scan_reltype.  Change all callers.
3151         (struct Relocate_info): Remove options field and all references to
3152         it.
3153         * reloc.h (class Read_relocs): Remove options constructor
3154         parameter and options_ field.  Change all callers.
3155         (class Gc_process_relocs, class Scan_relocs): Likewise.
3156         (class Relocate_task): Likewise.
3157         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3158         all callers.
3159         (scan_relocatable_relocs): Likewise.
3160         * target.h (class Sized_target): Remove options parameter from
3161         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3162         all callers.
3163         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3164         callers.
3165         * arm.cc: Update functions to remove options parameters.
3166         * i386.cc: Likewise.
3167         * powerpc.cc: Likewise.
3168         * sparc.cc: Likewise.
3169         * x86_64.cc: Likewise.
3170         * testsuite/testfile.cc: Likewise.
3171
3172 2009-10-28  Doug Kwan  <dougkwan@google.com>
3173
3174         * arm.cc (Arm_relobj): New class definition.
3175         (Arm_relobj::scan_sections_for_stubs, 
3176         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3177         New method definitions.
3178
3179 2009-10-28  Cary Coutant  <ccoutant@google.com>
3180
3181         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3182         (Plugin::cleanup_done_): New member.
3183         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3184         (Plugin_manager::cleanup_done_): Remove.
3185         (Plugin_manager::add_input_file): Edit error message.
3186         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3187         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3188
3189 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3190
3191         * fileread.cc: (File_read::View::~View): Use the new
3192         data_ownership_ filed.
3193         (File_read::~File_read): Dispose the new whole_file_view_.
3194         (File_read::open): Mmap the whole file if needed.
3195         (File_read::open): Use whole_file_view_ instead of contents_.
3196         (File_read::find_view): Use whole_file_view_ if applicable.
3197         (File_read::do_read): Use whole_file_view_ instead of contents_.
3198         (File_read::make_view): Use whole_file_view_ instead of contents_,
3199         update File_read::View::View call.
3200         (File_read::find_or_make_view): Update File_read::View::View
3201         call.
3202         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3203         remove contents_
3204         (File_read::View::Data_ownership): New enum.
3205         (File_read::View::View): Replace bool mapped_ with Data_ownership
3206         argument.
3207         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3208         (File_read::View::data_ownership_): New field.
3209         (File_read::contents_): Remove (replaced by whole_file_view_).
3210         (File_read::whole_file_view_): New field.
3211         * options.h (class General_options): Add --keep-files-mapped.
3212
3213 2009-10-27  Cary Coutant  <ccoutant@google.com>
3214
3215         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3216         * testsuite/Makefile.am (plugin_test_5): New test case.
3217         * testsuite/Makefile.in: Regenerate.
3218
3219 2009-10-25  Doug Kwan  <dougkwan@google.com>
3220
3221         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3222         from private to protected to allow access by child class.
3223         (Sized_relobj::do_relocate_sections): New method declaration.
3224         (Sized_relobj::relocate_sections): Virtualize.
3225         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
3226         Sized_relobj::relocate_sections.  Instantiate template explicitly
3227         for different target sizes and endianity.
3228
3229 2009-10-24  Doug Kwan  <dougkwan@google.com>
3230
3231         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3232         (Arm_input_section::as_arm_input_section): New method.
3233         (Arm_output_section): New class definition.
3234         (Arm_output_section::create_stub_group,
3235         Arm_output_section::group_sections): New method definitions.
3236
3237 2009-10-22  Doug Kwan  <dougkwan@google.com>
3238
3239         * arm.cc (Arm_input_section): New class definition.
3240         (Arm_input_section::init, Arm_input_section:do_write,
3241         Arm_input_section::set_final_data_size,
3242         Arm_input_section::do_reset_address_and_file_offset): New method
3243         definitions.
3244
3245 2009-10-21  Doug Kwan  <dougkwan@google.com>
3246
3247         * arm.cc (Stub_table, Arm_input_section): New forward class
3248         declarations.
3249         (Stub_table): New class defintion.
3250         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3251         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3252         New method definition.
3253
3254 2009-10-21  Doug Kwan  <dougkwan@google.com>
3255
3256         * arm.cc: Update copyright comments.
3257         (Target_arm): New forward class template declaration.
3258         (Arm_address): New type.
3259         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3260         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3261         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3262         constants.
3263         (Insn_template): Same.
3264         (DEF_STUBS): New macro.
3265         (Stub_type): New enum type.
3266         (Stub_template): New class definition.
3267         (Stub): Same.
3268         (Reloc_stub): Same.
3269         (Stub_factory): Same.
3270         (Target_arm::Target_arm): Initialize may_use_blx_ and
3271         should_force_pic_veneer_.
3272         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3273         Target_arm::should_force_pic_veneer,
3274         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3275         Target_arm::using_thumb_only, Target_arm:;default_target): New
3276         method defintions.
3277         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3278         New data member declarations.
3279         (Insn_template::size, Insn_template::alignment): New method defintions.
3280         (Stub_template::Stub_template): New method definition.
3281         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3282         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3283         (Stub_factory::Stub_factory): New method definition.
3284         * gold.h (string_hash): New template.
3285         * output.h (Input_section_specifier::hash_value): Use
3286         gold::string_hash.
3287         (Input_section_specifier::string_hash): Remove.
3288         * stringpool.cc (Stringpool_template::string_hash): Use
3289         gold::string_hash.
3290
3291 2009-10-20  Doug Kwan  <dougkwan@google.com>
3292
3293         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3294         symbols of relaxed input sections.
3295         * output.h (Output_section::find_relaxed_input_section): Make
3296         method public.
3297
3298 2009-10-16  Doug Kwan  <dougkwan@google.com>
3299
3300         * dynobj.cc (Versions::Versions): Initialize version_script_.
3301         Only insert base version symbol definition for a shared object
3302         if version script defines any version versions.
3303         (Versions::define_base_version): New method definition.
3304         (Versions::add_def): Check that base version is not needed.
3305         (Versions::add_need): Define base version lazily.
3306         * dynobj.h (Versions::define_base_version): New method declaration.
3307         (Versions::needs_base_version_): New data member declaration.
3308         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3309         (check_DATA): Add no_version_test.stdout.
3310         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3311         New make rules.
3312         * testsuite/Makefile.in: Regenerate.
3313         * testsuite/no_version_test.c: New file.
3314         * testsuite/no_version_test.sh: Ditto.
3315
3316 2009-10-16  Doug Kwan  <dougkwan@google.com>
3317
3318         * expression.cc (class Segment_start_expression): New class definition.
3319         (Segment_start_expression::value): New method definition.
3320         (script_exp_function_segment_start): Return a new
3321         Segment_start_expression.
3322         * gold/script-c.h (script_saw_segment_start_expression): New function
3323         prototype.
3324         * script-sections.cc (Script_sections::Script_sections): Initialize
3325         SAW_SEGMENT_START_EXPRESSION_ to false.
3326         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3327         and -Tbbs options to specify section addresses if given in
3328         command line and no SEGMENT_START expression is seen in a script.
3329         * script-sections.h (Script_sections::saw_segment_start_expression,
3330         Script_sections::set_saw_segment_start_expression): New method
3331         definition.
3332         (Script_sections::saw_segment_start_expression_): New data member
3333         declaration.
3334         * script.cc (script_saw_segment_start_expression): New function.
3335         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3336         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3337         script_test_7.sh and script_test_8.sh.
3338         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3339         script_test_8.stdout.
3340         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3341         (script_test_6, script_test_6.stdout, script_test_7,
3342         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3343         * Makefile.in: Regenerate.
3344         * testsuite/script_test_6.sh: New file.
3345         * testsuite/script_test_6.t: Same.
3346         * testsuite/script_test_7.sh: Same.
3347         * testsuite/script_test_7.t: Same.
3348         * testsuite/script_test_8.sh: Same.
3349
3350 2009-10-16  Doug Kwan  <dougkwan@google.com>
3351
3352         * output.cc (Output_segment::set_section_list_address): Cast
3353         expressions to unsigned long long type to avoid format warnings.
3354
3355 2009-10-15  Ian Lance Taylor  <iant@google.com>
3356
3357         * script.cc (Script_options::add_symbol_assignment): Always add a
3358         dot assignment to script_sections_.
3359         * script-sections.cc (Script_sections::add_dot_assignment):
3360         Initialize if necessary.
3361
3362         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3363         program headers with no load segment if there is a linker script.
3364
3365         * layout.cc (Layout::set_segment_offsets): Align the file offset
3366         to the segment aligment for -N or -n with no load segment.
3367         * output.cc (Output_segment::add_output_section): Don't crash if
3368         the first section is a TLS section.
3369         (Output_segment::set_section_list_addresses): Print an error
3370         message if the address moves backward in a linker script.
3371         * script-sections.cc
3372         (Output_section_element_input::set_section_addresses): Don't
3373         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3374         (Orphan_output_section::set_section_addresses): Likewise.
3375
3376 2009-10-15  Doug Kwan  <dougkwan@google.com>
3377
3378         * layout.cc (Layout::finish_dynamic_section): Generate tags
3379         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3380         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3381         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3382
3383 2009-10-14  Ian Lance Taylor  <iant@google.com>
3384
3385         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3386         fields.
3387         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3388         data_shdr fields of relinfo.
3389         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3390         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3391         R_386_TLS_LDO_32, adjust based on section flags.
3392         (Target_i386::Relocate::fix_up_ldo): Remove.
3393
3394 2009-10-13  Ian Lance Taylor  <iant@google.com>
3395
3396         Add support for -pie.
3397         * options.h (class General_options): Add -pie and
3398         --pic-executable.
3399         (General_options::output_is_position_independent): Test -pie.
3400         (General_options::output_is_executable): Return true if not shared
3401         and not relocatable.
3402         (General_options::output_is_pie): Remove.
3403         * options.cc (General_options::finalize): Reject incompatible uses
3404         of -pie.
3405         * gold.cc (queue_middle_tasks): A -pie link is not static.
3406         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3407         * symtab.cc (Symbol::final_value_is_known): Return false if
3408         output_is_position_independent.
3409         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3410         output_is_position_independent.
3411         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3412         output_is_position_independent.
3413         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3414         output_is_position_independent.
3415         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3416         two_file_pie_test.
3417         (basic_pie_test.o, basic_pie_test): New targets.
3418         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3419         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3420         (two_file_pie_test): New target.
3421         * testsuite/Makefile.in: Rebuild.
3422         * README: Remove note saying that -pie is not supported.
3423
3424 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3425
3426         * options.h (class General_options): Add -init and -fini.
3427         * layout.cc (Layout::finish_dynamic_section): Emit
3428         given init and fini functions.
3429
3430 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3431
3432         * gc.h (gc_process_relocs): Check if icf is enabled using new
3433         function.
3434         * gold.cc (queue_initial_tasks): Likewise.
3435         (queue_middle_tasks): Likewise.
3436         * object.cc (do_layout): Likewise.
3437         * symtab.cc (is_section_folded): Likewise.
3438         * main.cc (main): Likewise.
3439         * reloc.cc (Read_relocs::run): Likewise.
3440         (Sized_relobj::do_scan_relocs): Likewise.
3441         * icf.cc (is_function_ctor_or_dtor): New function.
3442         (Icf::find_identical_sections): Check if function is ctor or dtor when
3443         safe icf is chosen.
3444         * options.h (General_options::icf): Change option to be an enum.
3445         (Icf_status): New enum.
3446         (icf_enabled): New method.
3447         (icf_safe_folding): New method.
3448         (set_icf_status): New method.
3449         (icf_status_): New variable.
3450         * (options.cc) (General_options::finalize): Set icf_status_.
3451         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3452         icf_test and icf_keep_unique_test to use the --icf enum flag.
3453         * testsuite/icf_safe_test.sh: New file.
3454         * testsuite/icf_safe_test.cc: New file. 
3455
3456 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3457
3458         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3459         includes to gc.h and icf.h.
3460         * arm.cc: Include gc.h.
3461         * gold.cc: Likewise.
3462         * i386.cc: Likewise.
3463         * powerpc.cc: Likewise.
3464         * sparc.cc: Likewise.
3465         * x86_64.cc: Likewise.
3466         * gc.h: Include icf.h.
3467
3468 2009-10-11  Ian Lance Taylor  <iant@google.com>
3469
3470         * plugin.cc: Include "gold.h" before other header files.
3471
3472 2009-10-10  Chris Demetriou  <cgd@google.com>
3473
3474         * options.h (Input_file_argument::Input_file_type): New enum.
3475         (Input_file_argument::is_lib_): Replace with...
3476         (Input_file_argument::type_): New member.
3477         (Input_file_argument::Input_file_argument): Take Input_file_type
3478         'type' rather than boolean 'is_lib' as second argument.
3479         (Input_file_argument::is_lib): Use type_.
3480         (Input_file_argument::is_searched_file): New function.
3481         (Input_file_argument::may_need_search): Handle is_searched_file.
3482         * options.cc (General_options::parse_library): Support -l:filename.
3483         (General_options::parse_just_symbols): Update for Input_file_argument
3484         changes.
3485         (Command_line::process): Likewise.
3486         * archive.cc (Archive::get_file_and_offset): Likewise.
3487         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3488         * script.cc (read_script_file, script_add_file): Likewise.
3489         * fileread.cc (Input_file::Input_file): Likewise.
3490         (Input_file::will_search_for): Handle is_searched_file.
3491         (Input_file::open): Likewise.
3492         * readsyms.cc (Read_symbols::get_name): Likewise.
3493         * testsuite/Makefile.am (searched_file_test): New test.
3494         * testsuite/Makefile.in: Regenerate.
3495         * testsuite/searched_file_test.cc: New file.
3496         * testsuite/searched_file_test_lib.cc: New file.
3497
3498 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3499             Ian Lance Taylor  <iant@google.com>
3500
3501         * descriptor.cc: Include <cstdio> and "binary-io.h".
3502         (Descriptors::open): Open the files in binary mode always.
3503         * script.cc (Lex::get_token): Treat \r as whitespace.
3504
3505 2009-10-09  Ian Lance Taylor  <iant@google.com>
3506
3507         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3508
3509 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3510             Ian Lance Taylor  <iant@google.com>
3511
3512         * configure.ac: Check for readv function also.
3513         * fileread.cc (readv): Define if not HAVE_READV.
3514         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3515         does not exist.
3516         * config.in: Regenerate.
3517         * configure: Regenerate.
3518
3519 2009-10-09  Doug Kwan  <dougkwan@google.com>
3520
3521         * layout.cc (Layout::make_output_section): Call target hook to make
3522         ordinary output section.
3523         (Layout::finalize): Adjust parameter list of call the
3524         Target::may_relax().
3525         * layout.h (class Layout::section_list): New method.
3526         * merge.h (Output_merge_base::entsize): Change visibility to public.
3527         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3528         New methods.
3529         (Output_merge_string::do_is_string): New method.
3530         * object.cc (Sized_relobj::do_setup): renamed from
3531         Sized_relobj::set_up.
3532         * object.h (Sized_relobj::adjust_shndx,
3533         Sized_relobj::initializ_input_to_output_maps,
3534         Sized_relobj::free_input_to_output_maps): Change visibilities to
3535         protected.
3536         (Sized_relobj::setup): Virtualize.
3537         (Sized_relobj::do_setup): New method declaration.
3538         (Sized_relobj::invalidate_section_offset,
3539         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3540         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3541         * options.cc (parse_int): New function.
3542         * options.h (parse_int): New declaration.
3543         (DEFINE_int): New macro.
3544         (stub_group_size): New option.
3545         * output.cc (Output_section::Output_section): Initialize memebers
3546         merge_section_map_, merge_section_by_properties_map_,
3547         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3548         (Output_section::add_input_section): Handled deferred code-fill
3549         generation and remove an old comment.
3550         (Output_section::add_relaxed_input_section): New method definition.
3551         (Output_section::add_merge_input_section): Use merge section by
3552         properties map to speed to search.  Update merge section maps
3553         as appropriate.
3554         (Output_section::build_relaxation_map): New method definition.
3555         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3556         Same.
3557         (Output_section::relax_input_section): Renamed to
3558         Output_section::convert_input_sections_to_relaxed_sections and change
3559         interface to take a vector of pointers to relaxed sections.
3560         (Output_section::find_merge_section,
3561         Output_section::find_relaxed_input_section): New method definitions.
3562         (Output_section::is_input_address_mapped,
3563         Output_section::output_offset, Output_section::output_address):
3564         Use output section data maps to speed up searching.
3565         (Output_section::find_starting_output_address): Add comments.
3566         (Output_section::do_write,
3567         Output_section::write_to_postprocessing_buffer): Do code-fill
3568         generation as appropriate.
3569         (Output_section::get_input_sections): Invalidate relaxed input section
3570         map.
3571         (Output_section::restore_states): Adjust type of checkpoint .
3572         Invalidate relaxed input section map.
3573         * output.h (Output_merge_base): New class declaration.
3574         (Input_section_specifier): New class defintion.
3575         (class Output_relaxed_input_section) Change base class to
3576         Output_section_data_build.
3577         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3578         base class initializer.
3579         (Output_section::add_relaxed_input_section): New method declaration.
3580         (Output_section::Input_section): Change visibility to protected.
3581         (Output_section::Input_section::relobj,
3582         Output_section::Input_section::shndx): Handle relaxed input sections.
3583         Output_section::input_sections) Change visibility to protected.  Also
3584         define overload to return a non-const pointer.
3585         (Output_section::Merge_section_properties): New class defintion.
3586         (Output_section::Merge_section_by_properties_map,
3587         Output_section::Output_section_data_by_input_section_map,
3588         Output_section::Relaxation_map): New types.
3589         (Output_section::relax_input_section): Rename method to
3590         Output_section::convert_input_sections_to_relaxed_sections and change
3591         interface to take a vector of relaxed section pointers.
3592         (Output_section::find_merge_section,
3593         Output_section::find_relaxed_input_section,
3594         Output_section::build_relaxation_map,
3595         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3596         New method declarations.
3597         (Output_section::merge_section_map_
3598         Output_section::merge_section_by_properties_map_,
3599         Output_section::relaxed_input_section_map_,
3600         Output_section::is_relaxed_input_section_map_valid_,
3601         Output_section::generate_code_fills_at_write_): New data members.
3602         * script-sections.cc
3603         (Output_section_element_input::set_section_addresses): Call
3604         current_data_size and addralign methods of relaxed input sections.
3605         (Orphan_output_section::set_section_addresses): Call current_data_size
3606         and addralign methods of relaxed input sections.
3607         * symtab.cc (Symbol_table::compute_final_value): Extract template
3608         from the body of Symbol_table::sized_finalize_symbol.
3609         (Symbol_table::sized_finalized_symbol): Call
3610         Symbol_table::compute_final_value.
3611         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3612         (Symbol_table::compute_final_value): New templated method declaration.
3613         * target.cc (Target::do_make_output_section): New method defintion.
3614         * target.h (Target::make_output_section): New method declaration.
3615         (Target::relax): Add more parameters for input objects, symbol table
3616         and layout.  Adjust call to do_relax.
3617         (Target::do_make_output_section): New method declaration.
3618         (Target::do_relax): Add parameters for input objects, symbol table
3619         and layout.
3620
3621 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3622
3623         * pread.c: Include stdio.h.
3624
3625 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3626
3627         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3628         defined.
3629
3630 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3631
3632         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3633         Change read_shndx type to unsigned int.
3634         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3635         int.
3636         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3637         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3638         Change read_shndx type to unsigned int.
3639         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3640         int.
3641         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3642         * layout.cc (Layout::create_symtab_sections): Cast the result of
3643         local_symcount * symsize to off_t in the gold_assert.
3644
3645 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3646
3647         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3648         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3649         R_ARM_BASE_ABS.
3650         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3651         (Arm_relocate_functions::thm_abs5): New function.
3652         (Arm_relocate_functions::abs12): New function.
3653         (Arm_relocate_functions::abs16): New function.
3654         (Arm_relocate_functions::base_abs): New function.
3655         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3656         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3657         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3658         R_ARM_BASE_ABS.
3659         (Scan::global): Likewise.
3660         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3661         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3662         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3663         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3664         R_ARM_BASE_ABS.
3665
3666 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3667
3668         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3669         (Arm_relocate_functions::movt_prel): New function.
3670         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3671         (Arm_relocate_functions::thm_movt_prel): New function.
3672         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3673         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3674         (Scan::global, Relocate::relocate): Likewise.
3675         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3676
3677 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3678
3679         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3680         Incremental_checker.
3681         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3682         unsigned int.
3683         (class Incremental_inputs_header): New class.
3684         (Incremental_inputs_header_writer): Edit comment.
3685         (Incremental_inputs_entry): New class.
3686         (Incremental_inputs_entry_writer): Edit comment.
3687         (Sized_incremental_binary::do_find_incremental_inputs_section):
3688         Add *strtab_shndx parameter, fill it.
3689         (Sized_incremental_binary::do_check_inputs): New method.
3690         (Incremental_checker::can_incrementally_link_output_file): Use
3691         Sized_incremental_binary::check_inputs.
3692         (Incremental_inputs::report_command_line): Save command line in
3693         command_line_.
3694         * incremental.h:
3695         (Incremental_binary::find_incremental_inputs_section): New
3696         method.
3697         (Incremental_binary::do_find_incremental_inputs_section): Add
3698         strtab_shndx parameter.
3699         (Incremental_binary::do_check_inputs): New pure virtual method.
3700         (Sized_incremental_binary::do_check_inputs): Declare.
3701         (Incremental_checker::Incremental_checker): Add incremental_inputs
3702         parameter, use it to initialize incremental_inputs_.
3703         (Incremental_checker::incremental_inputs_): New field.
3704         (Incremental_checker::command_line): New method.
3705         (Incremental_checker::inputs): New method.
3706         (Incremental_checker::command_line_): New field.
3707
3708 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3709
3710         * incremental.cc: Include <cstdarg> and "target-select.h".
3711         (vexplain_no_incremental): New function.
3712         (explain_no_incremental): New function.
3713         (Incremental_binary::error): New method.
3714         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3715         method.
3716         (make_sized_incremental_binary): New function.
3717         (open_incremental_binary): New function.
3718         (can_incrementally_link_file): Add checks if output is ELF and has
3719         inputs section.
3720         * incremental.h: Include "elfcpp_file.h" and "output.h".
3721         (Incremental_binary): New class.
3722         (Sized_incremental_binary): New class.
3723         (open_incremental_binary): Declare.
3724         * object.cc (is_elf_object): Use
3725         elfcpp::Elf_recognizer::is_elf_file.
3726         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3727         * output.h (Output_file::filesize): New method.
3728
3729 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3730
3731         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3732         New function.
3733         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3734         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3735         function.
3736         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3737         function.
3738         (Arm_relocate_functions::movw_abs_nc): New function.
3739         (Arm_relocate_functions::movt_abs): New function.
3740         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3741         (Arm_relocate_functions::thm_movt_abs): New function.
3742         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3743         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3744         (Scan::global): Likewise.
3745         (Relocate::relocate): Likewise.
3746         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3747
3748 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3749
3750         * arm.cc (Arm_relocate_functions::got_prel) New function.
3751         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3752         (Relocate::relocate): Likewise.
3753         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3754
3755 2009-10-06  Ian Lance Taylor  <iant@google.com>
3756
3757         * options.h (class General_options): Define
3758         split_stack_adjust_size parameter.
3759         * object.h (class Object): Add uses_split_stack_ and
3760         has_no_split_stack_ fields.  Add uses_split_stack and
3761         has_no_split_stack accessor functions.  Declare
3762         handle_split_stack_section.
3763         (class Reloc_symbol_changes): Define.
3764         (class Sized_relobj): Define Function_offsets.  Declare
3765         split_stack_adjust, split_stack_adjust_reltype, and
3766         find_functions.
3767         * object.cc (Object::handle_split_stack_section): New function.
3768         (Sized_relobj::do_layout): Call handle_split_stack_section.
3769         * dynobj.cc (Sized_dynobj::do_layout): Call
3770         handle_split_stack_section.
3771         * reloc.cc (Sized_relobj::relocate_sections): Call
3772         split_stack_adjust for executable sections in split_stack
3773         objects.  Pass reloc_map to relocate_section.
3774         (Sized_relobj::split_stack_adjust): New function.
3775         (Sized_relobj::split_stack_adjust_reltype): New function.
3776         (Sized_relobj::find_functions): New function.
3777         * target-reloc.h: Include "object.h".
3778         (relocate_section): Add reloc_symbol_changes parameter.  Change
3779         all callers.
3780         * target.h (class Target): Add calls_non_split method.  Declare
3781         do_calls_non_split virtual method.  Declare match_view and
3782         set_view_to_nop.
3783         * target.cc: Include "elfcpp.h".
3784         (Target::do_calls_non_split): New function.
3785         (Target::match_view): New function.
3786         (Target::set_view_to_nop): New function.
3787         * gold.cc (queue_middle_tasks): Give an error if mixing
3788         split-stack and non-split-stack objects with -r.
3789         * i386.cc (Target_i386::relocate_section): Add
3790         reloc_symbol_changes parameter.
3791         (Target_i386::do_calls_non_split): New function.
3792         * x86_64.cc (Target_x86_64::relocate_section): Add
3793         reloc_symbol_changes parameter.
3794         (Target_x86_64::do_calls_non_split): New function.
3795         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3796         parameter.
3797         * powerpc.cc (Target_powerpc::relocate_section): Add
3798         reloc_symbol_changes parameter.
3799         * sparc.cc (Target_sparc::relocate_section): Add
3800         reloc_symbol_changes parameter.
3801         * configure.ac: Call AM_CONDITIONAL for the default target.
3802         * configure: Rebuild.
3803         * testsuite/Makefile.am (TEST_AS): New variable.
3804         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3805         (check_DATA): Add split_i386 and split_x86_64 files.
3806         (SPLIT_DEFSYMS): Define.
3807         (split_i386_[1234n].o): New targets.
3808         (split_i386_[124]): New targets.
3809         (split_i386_[1234r].stdout): New targets.
3810         (split_x86_64_[1234n].o): New targets.
3811         (split_x86_64_[124]): New targets.
3812         (split_x86_64_[1234r].stdout): New targets.
3813         (MOSTLYCLEANFILES): Add new executables.
3814         * testsuite/split_i386.sh: New file.
3815         * testsuite/split_x86_64.sh: New file.
3816         * testsuite/split_i386_1.s: New file.
3817         * testsuite/split_i386_2.s: New file.
3818         * testsuite/split_i386_3.s: New file.
3819         * testsuite/split_i386_4.s: New file.
3820         * testsuite/split_i386_n.s: New file.
3821         * testsuite/split_x86_64_1.s: New file.
3822         * testsuite/split_x86_64_2.s: New file.
3823         * testsuite/split_x86_64_3.s: New file.
3824         * testsuite/split_x86_64_4.s: New file.
3825         * testsuite/split_x86_64_n.s: New file.
3826         * testsuite/testfile.cc (Target_test): Update relocation_section
3827         function.
3828         * testsuite/Makefile.in: Rebuild.
3829
3830 2009-10-06  Ian Lance Taylor  <iant@google.com>
3831
3832         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3833         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3834         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3835         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3836         the address on ldo_addrs_.
3837         (Target_i386::Relocate::fix_up_ldo): New function.
3838
3839 2009-10-06   Rafael Espindola  <espindola@google.com>
3840
3841         * plugin.cc (add_input_library): New.
3842         (Plugin::load): Add add_input_library to tv.
3843         (Plugin_manager::add_input_file): Add the is_lib argument.
3844         (add_input_file): Update call to Plugin_manager::add_input_file.
3845         (add_input_library): New.
3846         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3847
3848 2009-09-30  Doug Kwan  <dougkwan@google.com>
3849
3850         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3851         symbol and call Symbol::may_need_copy_reloc to determine if
3852         a copy reloc is needed.
3853         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3854         nocopyreloc is given in command line.
3855         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3856         given in command line.
3857         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3858         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3859         of the removed Target_i386::may_need_copy_reloc.
3860         * options.h (copyreloc): New option with default value false.
3861         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3862         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3863         instead of the removed Target_powerpc::may_need_copy_reloc.
3864         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3865         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3866         instead of the removed Target_sparc::may_need_copy_reloc.
3867         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3868         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3869         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3870         instead of the removed Target_x86_64::may_need_copy_reloc.
3871
3872 2009-09-30  Ian Lance Taylor  <iant@google.com>
3873
3874         * object.h (class Object): Remove target_ field, and target,
3875         sized_target, and set_target methods.
3876         (Object::sized_target): Remove.
3877         (class Sized_relobj): Update declarations.  Remove sized_target.
3878         * object.cc (Sized_relobj::setup): Remove target parameter.
3879         Change all callers.
3880         (Input_objects::add_object): Don't do anything with the target.
3881         (make_elf_sized_object): Add punconfigured parameter.  Change all
3882         callers.  Set or test parameter target.
3883         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3884         Change all callers.
3885         * parameters.cc (Parameters::set_target): Change parameter type to
3886         be non-const.
3887         (Parameters::default_target): Remove.
3888         (set_parameters_target): Change parameter type to be non-const.
3889         (parameters_force_valid_target): New function.
3890         (parameters_clear_target): New function.
3891         * parameters.h (class Parameters): Update declarations.  Remove
3892         default_target method.  Add sized_target and clear_target
3893         methods.  Change target_ to be non-const.
3894         (set_parameters_target): Update declaration.
3895         (parameters_force_valid_target): Declare.
3896         (parameters_clear_target): Declare.
3897         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3898         as NULL if we aren't searching.
3899         (Add_symbols::run): Don't check for compatible target.
3900         * fileread.cc (Input_file::open_binary): Call
3901         parameters_force_valid_target.
3902         * gold.cc (queue_middle_tasks): Likewise.
3903         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3904         set_target on object.
3905         * dynobj.h (class Sized_dynobj): Update declarations.
3906         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3907         make_elf_object returns NULL.
3908         (Archive::include_member): Don't check whether object target is
3909         compatible.
3910         * output.cc (Output_section::add_input_section): Get target from
3911         parameters.
3912         (Output_section::relax_input_section): Likewise.
3913         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3914         parameters.
3915         (Sized_relobj::do_scan_relocs): Likewise.
3916         (Sized_relobj::relocate_sections): Likewise.
3917         * resolve.cc (Symbol_table::resolve): Likewise.
3918         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3919         parameter.  Change all callers.
3920         (Symbol_table::add_from_object): Get target from parameters.
3921         (Symbol_table::add_from_relobj): Don't check object target.
3922         (Symbol_table::add_from_dynobj): Likewise.
3923         (Symbol_table::define_special_symbol): Get target from
3924         parameters.
3925         * symtab.h (class Symbol_table): Update declaration.
3926         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3927         parameter.  Change all callers.  Clear parameter target.
3928         (Binary_test): Test target here.
3929         * testsuite/object_unittest.cc (gold_testsuite): Remove
3930         target_test_pointer parameter.  Change all callers.
3931         (Object_test): Test target here.
3932
3933 2009-09-26  Ian Lance Taylor  <iant@google.com>
3934
3935         * testsuite/initpri1.c: Don't try to use constructor priorities if
3936         compiling with gcc before 4.3.
3937
3938 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3939
3940         * testsuite/retain_symbols_file_test.sh (check_present): Change
3941         output file name to retain_symbols_file_test.stdout.
3942         (check_absent): Likewise.
3943
3944 2009-09-18  Craig Silverstein  <csilvers@google.com>
3945
3946         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3947         * options.cc: Include <cerrno> and <fstream>.
3948         (General_options::finalize): Parse -retain-symbols-file tag.
3949         * options.h: New flag.
3950         (General_options): New method should_retain_symbol, new
3951         variable symbols_to_retain.
3952         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3953         should_retain_symbol map.
3954         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3955         * testsuite/Makefile.in: Regenerate.
3956         * testsuite/retain_symbols_file_test.sh: New file.
3957
3958 2009-09-18  Nick Clifton  <nickc@redhat.com>
3959
3960         * po/es.po: Updated Spanish translation.
3961
3962 2009-09-17  Doug Kwan  <dougkwan@google.com>
3963
3964         * debug.h (DEBUG_RELAXATION): New constant.
3965         (DEBUG_ALL): Add DEBUG_RELAXATION.
3966         (debug_string_to_enum): Add relaxation debug option.
3967         * layout.cc
3968         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3969         Layout::Relaxation_debug_check::read_sections,
3970         Layout::Relaxation_debug_check::read_sections): New method definitions.
3971         (Layout::Layout): Initialize data members
3972         record_output_section_data_from_scrips_,
3973         script_output_section_data_list_ and relaxation_debug_check_.
3974         (Layout::save_segments, Layout::restore_segments,
3975         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3976         Layout::relaxation_loop_body): New method definitions.
3977         (Layout::finalize): Support relaxation.  Move section layout code to
3978         Layout::relaxation_loop_body.
3979         (Layout::set_asection_address_from_script): Move code for orphan
3980         section placement out.
3981         (Layout::place_orphan_sections_in_script): New method definition.
3982         * layout.h (Output_segment_headers, Output_file_header):
3983         New forward class declarations.
3984         (Layout::~Layout): Define.
3985         (Layout::new_output_section_data_from_script): New method definition.
3986         (Layout::place_orphan_sections_in_script): New method declaration.
3987         (Layout::Segment_states): New type declaration.
3988         (Layout::save_segments, Layout::restore_segments,
3989         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3990         Layout::relaxation_loop_body): New method declarations.
3991         (Layout::Output_section_data_list): New type declaration.
3992         (Layout::Relaxation_debug_check): New class definition.
3993         (Layout::record_output_section_data_from_script_,
3994         Layout::script_output_section_data_list_, Layout::segment_states_,
3995         Layout::relaxation_debug_check_): New data members.
3996         * output.cc: (Output_section_headers::do_size): New method definition.
3997         (Output_section_headers::Output_section_headers): Move size
3998         computation to Output_section_headers::do_size.
3999         (Output_segment_headers::do_size): New method definition.
4000         (Output_file_header::Output_file_header): Move size computation to 
4001         Output_file_header::do_size and call it.
4002         (Output_file_header::do_size): New method definition.
4003         (Output_data_group::Output_data_group): Adjust call to
4004         Output_section_data.
4005         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4006         (Output_symtab_xindex::do_write): Add array bound check.
4007         (Output_section::Input_section::print_to_mapfile): Handle
4008         RELAXED_INPUT_SECTION_CODE.
4009         (Output_section::Output_section): Initialize data member checkpoint_.
4010         (Output_section::~Output_section): Delete checkpoint object pointed
4011         by checkpoint_.
4012         (Output_section::add_input_section): Always add an Input_section if
4013         relaxing.
4014         (Output_section::add_merge_input_section): Add assert.
4015         (Output_section::relax_input_section): New method definition.
4016         (Output_section::set_final_data_size): Set load address to zero for
4017         an unallocated section.
4018         (Output_section::do_address_and_file_offset_have_reset_values):
4019         New method definition.
4020         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4021         Handle relaxed input section.
4022         (Output_section::sort_attached_input_sections): Checkpoint input
4023         section list lazily.
4024         (Output_section::get_input_sections): Change type of input_sections to
4025         list of Simple_input_section pointers.  Checkpoint input section list
4026         lazily.  Also handle relaxed input sections.
4027         (Output_section::add_input_section_for_script): Take a reference to
4028         a Simple_input_section object instead of Relobj pointer and section
4029         index as parameter.  Handle relaxed input sections.
4030         (Output_section::save_states, Output_section::restore_states): New
4031         method definitions.
4032         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4033         (Output_data::is_data_size_fixed): New method definition.
4034         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4035         if it is fixed.
4036         (Output_data::address_and_file_offset_have_reset_values): New method
4037         definition.
4038         (Output_data::do_address_and_file_offset_have_reset_values): New method
4039         definition.
4040         (Output_data::set_data_size): Check that data size is not fixed.
4041         (Output_data::fix_data_size): New method definition.
4042         (Output_data::is_data_size_fixed_): New data member.
4043         (Output_section_headers::set_final_data_size): New method definition.
4044         (Output_section_headers::do_size): New method declaration.
4045         (Output_segment_headers::set_final_data_size): New method definition.
4046         (Output_segment_headers::do_size): New method declaration.
4047         (Output_file_header::set_final_data_size)::New method definition.
4048         (Output_file_header::do_size)::New method declaration.
4049         (Output_section_data::Output_section_data): Add new parameter
4050         is_data_size_fixed and use it to fix data size.
4051         (Output_data_const::Output_data_const): Adjust call to base class
4052         constructor and fix data size.
4053         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4054         base class constructor and fix data size.
4055         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4056         base class constructor and fix data size.
4057         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4058         class constructor and fix data size.
4059         (Output_data_group::set_final_data_size): New method definition.
4060         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4061         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4062         class constructor and fix data size.
4063         (Output_relaxed_input_section): New class definition.
4064         (Output_section::Simple_input_section): New class definition.
4065         (Output_section::get_input_sections): Adjust parameter list.
4066         (Output_section::add_input_section_for_script): Same.
4067         (Output_section::save_states, Output_section::restore_states,
4068         Output_section::do_address_and_file_offset_have_reset_values,
4069         (Output_section::Input_section::Input_section): Handle
4070         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4071         Output_relaxed_input_section.
4072         (Output_section::Input_section::is_input_section,
4073         Output_section::Input_section::set_output_section): Handle relaxed
4074         input section.
4075         (Output_section::Input_section::is_relaxed_input_section,
4076         Output_section::Input_section::output_section_data,
4077         Output_section::Input_section::relaxed_input_section): New method
4078         definitions.
4079         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4080         value.
4081         (Output_section::Input_section::u1_): Update comments.
4082         (Output_section::Input_section::u2_): Add new union member poris.
4083         (Output_section::Checkpoint_output_section): New classs definition.
4084         (Output_section::relax_input_section): New method declaration.
4085         (Output_section::checkpoint_): New data member.
4086         (Output_segment): Update comments.
4087         (Output_segment::Output_segment): Un-privatize copy constructor.
4088         (Output_segment::operator=): Un-privatize.
4089         * script-sections.cc (Output_section_element::Input_section_list):
4090         Change element type to Output_section::Simple_input_section.
4091         (Output_section_element_dot_assignment::set_section_addresses):
4092         Register output section data for relaxation clean up.
4093         (Output_data_exression::Output_data_expression): Adjust call to base
4094         constructor to fix data size.
4095         (Output_section_element_data::set_section_addresses): Register
4096         Output_data_expression object for relaxation clean up.
4097         (struct Input_section_info): Replace Relobj pointer and section index
4098         pair with Output_section::Simple_input_section and Convert struct to a
4099         class.
4100         (Input_section_sorter::operator()): Adjust access to
4101         Input_section_info data member to use accessors. 
4102         (Output_section_element_input::set_section_addresses): Use layout
4103         parameter.  Adjust code to use Output_section::Simple_input_section
4104         and Input_secction_info classes.  Register filler for relaxation
4105         clean up.
4106         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4107         and section index pair with Output_section::Simple_input_section
4108         class.  Adjust code accordingly.
4109         (Phdrs_element::release_segment): New method definition.
4110         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4111         segment list.
4112         (Script_sections::release_segments): New method definition.
4113         * gold/script-sections.h (Script_sections::release_segments): New
4114         method declaration.
4115         * gold/target.h (Target::may_relax, Target::relax,
4116         Target::do_may_relax, Target::do_relax): New method definitions.
4117
4118 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4119
4120         * arm.cc (has_signed_unsigned_overflow): New function.
4121         (Arm_relocate_functions::abs8): New function.
4122         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4123         (Target_arm::Scan::global): Likewise.
4124         (Target_arm::relocate::relocate): Likewise.
4125         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4126         Likewise.
4127
4128 2009-09-16  Cary Coutant  <ccoutant@google.com>
4129
4130         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4131         * testsuite/Makefile.in: Regenerate.
4132
4133 2009-09-11  Nick Clifton  <nickc@redhat.com>
4134
4135         * po/gold.pot: Updated by the Translation project.
4136
4137 2009-09-08  Cary Coutant  <ccoutant@google.com>
4138
4139         * output.cc (Output_file::open): Add execute permission to empty file.
4140         * testsuite/Makefile.am (permission_test): New test.
4141         * testsuite/Makefile.in: Regenerate.
4142
4143 2009-09-02  Ian Lance Taylor  <iant@google.com>
4144
4145         * output.cc (Output_file::resize): Call map_no_anonymous rather
4146         than map.
4147
4148 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4149
4150         * gold.cc: Include "incremental.h".
4151         (queue_initial_tasks): Call Incremental_checker methods.
4152         * incremental.cc: Include "output.h".
4153         (Incremental_checker::can_incrementally_link_output_file): New
4154         method.
4155         * incremental.h (Incremental_checker): New class.
4156
4157         * output.cc (Output_file::open_for_modification): New method.
4158         (Output_file::map_anonymous): Changed return type to bool.  Record
4159         map in base_ field.
4160         (Output_file::map_no_anonymous): New method, broken out of map.
4161         (Output_file::map): Use map_no_anonymous and map_anonymous.
4162         * output.h (class Output_file): Update declarations.
4163
4164 2009-08-24  Cary Coutant  <ccoutant@google.com>
4165
4166         * options.h (Command_line::Pre_options): New class.
4167         (Command_line::pre_options): New member.
4168         * options.cc (gold::options::ready_to_register): New variable.
4169         (One_option::register_option): Do nothing if not registering options.
4170         Assert if same short option registered twice.
4171         (General_options::General_options): Turn off option registration when
4172         done constructing.
4173         (Command_line::Pre_options::Pre_options): New constructor.
4174
4175 2009-08-24  Cary Coutant  <ccoutant@google.com>
4176
4177         * options.h (General_options::no_keep_memory): Remove incorrect
4178         short option.
4179
4180 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4181
4182         * Makefile.am (am__skiplex, am__skipyacc): New.
4183         * Makefile.in: Regenerate.
4184
4185 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4186
4187         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4188         (INCLUDES): ... this.
4189         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4190         (AM_CPPFLAGS): Renamed from ...
4191         (INCLUDE): ... this.
4192         * Makefile.in, testsuite/Makefile.in: Regenerate.
4193
4194         * Makefile.in: Regenerate.
4195         * aclocal.m4: Likewise.
4196         * config.in: Likewise.
4197         * configure: Likewise.
4198         * testsuite/Makefile.in: Likewise.
4199
4200         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4201         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4202         * Makefile.in: Regenerate.
4203         * testsuite/Makefile.in: Regenerate.
4204
4205 2009-08-19  Cary Coutant  <ccoutant@google.com>
4206
4207         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4208         symbols in shared libraries overridden by hidden or internal symbols
4209         in the main program.
4210
4211 2009-08-19  Chris Demetriou  <cgd@google.com>
4212
4213         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4214         checking source file names in error messages.
4215
4216 2009-08-18  Doug Kwan  <dougkwan@google.com>
4217
4218         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4219         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4220         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4221         an elfcpp::Ehdr as parameter.
4222         * object.cc (Object::set_target): Remove the version that looks up
4223         a target and sets it.
4224         (Sized_relobj::setup): Take a Target object instead of
4225         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4226         (make_elf_sized_object): Find target and ask target to
4227         make an ELF object.
4228         * object.h: (Object::set_target): Remove the version that looks up
4229         a target and sets it.
4230         (Sized_relobj::setup): Take a Target object instead of
4231         an elfcpp:Ehdr as parameter.
4232         * target.cc: Include dynobj.h.
4233         (Target::do_make_elf_object_implementation): New.
4234         (Target::do_make_elf_object): New.
4235         * target.h (Target::make_elf_object): New template declaration.
4236         (Target::do_make_elf_object): New method declarations.
4237         (Target::do_make_elf_object_implementation): New template declaration.
4238
4239 2009-08-14  Ian Lance Taylor  <iant@google.com>
4240
4241         * gold.h (FUNCTION_NAME): Define.
4242         (gold_unreachable): Use FUNCTION_NAME.
4243
4244 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4245
4246         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4247         symbol in the --keep-unique list is not found.
4248
4249 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4250
4251         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4252         been maked as --keep-unique.
4253         (Icf::unfold_section): New function.
4254         * icf.h (Icf::unfold_section): New function.
4255         * options.h (General_options::keep_unique): New option.
4256         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4257         * testsuite/Makefile.in: Regenerate.
4258         * testsuite/icf_keep_unique_test.sh: New file.
4259         * testsuite/icf_keep_unique_test.cc: New file.
4260
4261 2009-08-12  Cary Coutant  <ccoutant@google.com>
4262
4263         PR 10471
4264         * resolve.cc (Symbol_table::resolve): Check for references from
4265         dynamic objects to hidden and internal symbols.
4266         * testsuite/Makefile.am (hidden_test.sh): New test.
4267         * testsuite/Makefile.in: Regenerate.
4268         * testsuite/hidden_test.sh: New script.
4269         * testsuite/hidden_test_1.c: New test source.
4270         * testsuite/hidden_test_main.c: New test source.
4271
4272 2009-08-11  Doug Kwan  <dougkwan@google.com>
4273
4274         * arm.cc: Update comments.
4275         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4276         segment to locate the .ARM.exidx section if present.
4277
4278 2009-08-09  Doug Kwan  <dougkwan@google.com>
4279
4280         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4281         patch.
4282
4283 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4284         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4285         compiler warnings.
4286
4287 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4288
4289         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4290         valid tls_segment only for non-debug-section relocations.
4291         * testsuite/Makefile.am: Add gc_tls_test.
4292         * testsuite/Makefile.in: Regenerate.
4293         * testsuite/gc_tls_test.cc: New file.
4294         * testsuite/gc_tls_test.sh: New file.
4295
4296 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4297         
4298         * icf.cc: New file.
4299         * icf.h: New file.
4300         * Makefile.am (CCFILES): Add icf.cc.
4301         (HFILES): Add icf.h
4302         * Makefile.in: Regenerate.
4303         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4304         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4305         section, symbol and addend information for the relocs.
4306         * gold.cc (queue_middle_tasks): Call identical code folding.
4307         * gold.h: Add defines for multimap.
4308         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4309         to the call of finalize_local_symbols.
4310         * main.cc (main): Create object of class Icf.
4311         * object.cc (Sized_relobj::do_layout): Allow this function to be
4312         called twice during icf.
4313         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4314         to sections marked as identical by icf.
4315         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4316         when available.
4317         (Sized_relobj::do_section_entsize): New function.
4318         * object.h (Object::section_entsize): New function.
4319         (Object::do_section_entsize): New pure virtual function.
4320         (Relobj::finalize_local_symbols): Add new parameter.
4321         (Relobj::do_section_entsize): New function.
4322         * options.h (General_options::icf): New option.
4323         (General_options::icf_iterations): New option.
4324         (General_options::print_icf_sections): New option.
4325         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4326         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4327         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4328         icf.
4329         * symtab.cc (Symbol_table::is_section_folded): New function.
4330         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4331         to sections marked as identical by icf.
4332         * symtab.h (Symbol_table::set_icf): New function.
4333         (Symbol_table::icf): New function.
4334         (Symbol_table::is_section_folded): New function.
4335         (Symbol_table::icf_): New data member.
4336         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4337         * testsuite/Makefile.am: Add commands to build icf_test.
4338         * testsuite/Makefile.in: Regenerate.
4339         * testsuite/icf_test.sh: New file.
4340         * testsuite/icf_test.cc: New file.
4341
4342 2009-07-24  Chris Demetriou  <cgd@google.com>
4343
4344         * layout.cc (is_compressible_debug_section): Fix incorrect
4345         comment about compressed section names.
4346
4347 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4348
4349         PR 10419
4350         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4351
4352 2009-07-16  Ian Lance Taylor  <iant@google.com>
4353
4354         PR 10400
4355         * layout.h: #include <map>.
4356         (class Kept_section): Change from struct to class.  Add accessors
4357         and setters.  Add section size to Comdat_group mapping.  Change
4358         Comdat_group to std::map.  Add is_comdat_ field.  Add
4359         linkonce_size field in union.
4360         (class Layout): Update declaration of find_or_add_kept_section.
4361         Don't declare find_kept_object.
4362         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4363         parameter.  Add object, shndx, is_comdat, and is_group_name
4364         parameters.  Change all callers.  Adjust for new Kept_section.
4365         (Layout::find_kept_object): Remove.
4366         * object.cc (Sized_relobj::include_section_group): Update use of
4367         Kept_section.  Rename secnum to shndx.  Only record
4368         Kept_comdat_section if sections are the same size.
4369         (Sized_relobj::include_linkonce_section): Update use of
4370         Kept_section.  Only record Kept_comdat_section if sections are the
4371         same size.  Set size of linkonce section.
4372         (Sized_relobj::map_to_kept_section): Update call to
4373         get_kept_comdat_section.
4374         * object.h (class Sized_relobj): Rename fields in
4375         Kept_comdat_section to drop trailing underscores; change object
4376         field to Relobj*.  Change Kept_comdat_section_table to store
4377         struct rather than pointer.
4378         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4379         Add kept_object and kept_shndx parameters.  Change all callers.
4380         (Sized_relobj::get_kept_comdat_section): Change return type to
4381         bool.  Add kept_object and kept_shndx parameters.  Change all
4382         callers.
4383         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4384         Layout::find_or_add_kept_section.
4385
4386 2009-07-09  Ian Lance Taylor  <iant@google.com>
4387
4388         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4389         Reserve space in the hash table.
4390
4391 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4392
4393         * fileread.cc (File_read::get_mtime): New method.
4394         * fileread.h (Timespec): New structure.
4395         (File_read::get_mtime): New method.
4396         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4397         Renamed from timestamp_nsec.
4398         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4399         Elf_Xword.
4400         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4401         timestamp_nsec.
4402         (Incremental_inputs::report_archive): Save mtime; style fix. 
4403         (Incremental_inputs::report_obejct): Save mtime; style fix.
4404         (Incremental_inputs::report_script): Save mtime; style fix.
4405         (Incremental_inputs::finalize_inputs): Style fix.
4406         (Incremental_inputs::finalize): Style fix.
4407         (Incremental_inputs::create_input_section_data): Store inputs
4408         mtime.
4409         * incremental.h (Incremental_inputs::report_script): Add mtime
4410         argument.
4411         (Incremental_inputs::Input_info::Input_info): Intialize only one
4412         union member.
4413         (Incremental_inputs::Input_info::archive): Move to nameless
4414         union.
4415         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4416         (Incremental_inputs::Input_info::script): Move to nameless union.
4417         (Incremental_inputs::mtime): New field.
4418         * script.cc (read_input_script): Pass file mtime to
4419         Incremental_input.
4420         * script.h (Script_info::inputs): Style fix.
4421
4422 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4423
4424         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4425         instead of 32.
4426
4427 2009-06-24  Ian Lance Taylor  <iant@google.com>
4428
4429         PR 10156
4430         * layout.cc (Layout::choose_output_section): If we find an
4431         existing section, update the flags.
4432         (Layout::create_notes): New function, broken out of
4433         Layout::finalize.
4434         (Layout::finalize): Don't create note sections.
4435         (Layout::create_note): Don't crash if linker script discards
4436         section.
4437         (Layout::create_gold_note): Likewise.
4438         (Layout::create_build_id): Likewise.  Don't set
4439         after_input_sections on the section.
4440         (Layout::create_executable_stack_info): Remove target parameter.
4441         Change caller.
4442         * layout.h (class Layout): Declare create_notes.  Update
4443         declaration of create_executable_stack_info.
4444         * gold.cc (queue_middle_tasks): Call create_notes.
4445         * output.cc (Output_section::update_flags_for_input_section): Move
4446         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4447         invalid.
4448         * output.h (Output_data::mark_address_invalid): New function.
4449         (class Output_section): Only declare, not define,
4450         update_flags_for_input_section.  Remove set_flags.
4451
4452 2009-06-24  Ian Lance Taylor  <iant@google.com>
4453
4454         * script-sections.cc (Output_section_definition::
4455         set_section_addresses): Rename shadowing local load_address to
4456         laddr.
4457
4458 2009-06-24  Ian Lance Taylor  <iant@google.com>
4459
4460         PR 10244
4461         * reloc.cc (relocate_sections): Skip empty relocation sections.
4462
4463 2009-06-23  Ian Lance Taylor  <iant@google.com>
4464
4465         PR 10156
4466         * layout.cc (Layout::create_note): Use choose_output_section
4467         rather than make_output_section.
4468
4469 2009-06-23  Ian Lance Taylor  <iant@google.com>
4470
4471         PR 10237
4472         * options.cc (General_options::parse_V): Set printed_version_.
4473         (General_options::General_options): Initialize printed_version_.
4474         * options.h (class General_options): Add printed_version_ field.
4475         * gold.cc (queue_initial_tasks): If there are no input files,
4476         don't give a fatal error if we printed the version information.
4477         (queue_middle_tasks): If using -r with a shared object, give a
4478         fatal error rather than an ordinary error.
4479
4480 2009-06-23  Ian Lance Taylor  <iant@google.com>
4481
4482         PR 10219
4483         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4484         (Layout::make_output_section): Set have_stabstr_section_ if we see
4485         a .stab*str section.
4486         (Layout::finalize): Call link_stabs_sections.
4487         (Layout::link_stabs_sections): New file.
4488         * layout.h (class Layout): Add have_stabstr_section_ field.
4489         Declare link_stabs_sections.
4490
4491 2009-06-23  Doug Kwan  <dougkwan@google.com>
4492
4493         * Makefile.am (libgold_a_LIBADD): New.
4494         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4495         * Makefile.in: Regenerate.
4496         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4497         * configure: Regenerate.
4498         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4499         * fileread.cc: Include sys/state.h
4500         * gold.h: Declare memmem and strndup if found missing.
4501         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4502
4503 2009-06-23  Ian Lance Taylor  <iant@google.com>
4504
4505         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4506         * configure: Rebuild.
4507
4508 2009-06-23  Ian Lance Taylor  <iant@google.com>
4509
4510         PR 10147
4511         * object.cc (Object::section_contents): Don't try to get a view if
4512         the section has length zero.
4513         (Object::handle_gnu_warning_section): If the section is empty, use
4514         the name of the section as the warning.
4515
4516 2009-06-23  Ian Lance Taylor  <iant@google.com>
4517
4518         PR 10133
4519         * stringpool.h (class Stringpool_template): Add optimize_ field.
4520         (Stringpool_template::set_optimize): New function.
4521         * stringpool.cc (Stringpool_template::Stringpool_template):
4522         Initialize optimize_ field.
4523         (Stringpool_template::set_string_offsets): Test local optimize
4524         fild rather than parameter.
4525         * layout.cc (Layout::Layout): Call set_optimize on the section
4526         name stringpool.
4527
4528 2009-06-22  Ian Lance Taylor  <iant@google.com>
4529
4530         PR 10030
4531         * yyscript.y: Parse TARGET.
4532         * script.cc (script_set_target): New function.
4533         * script-c.h (script_set_target): Declare.
4534         * options.cc (General_options::string_to_object_format): Rename
4535         from string_to_object_format in anonymous namespace.  Change
4536         callers.
4537         * options.h (class General_options): Declare
4538         string_to_object_format.
4539
4540 2009-06-22  Ian Lance Taylor  <iant@google.com>
4541
4542         * script-sections.cc (Script_sections::create_segments): Don't put
4543         program headers in a PT_LOAD segment if -n or -N.
4544
4545 2009-06-22  Ian Lance Taylor  <iant@google.com>
4546
4547         PR 10141
4548         * options.h (class General_options): Add -z lazy and -z now.  Sort
4549         -z options into alphabetical order.
4550         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4551
4552 2009-06-21  Ian Lance Taylor  <iant@google.com>
4553
4554         * layout.cc (Layout::make_output_section): Call
4555         Target::new_output_section.
4556         (Layout::attach_allocated_section_to_segment): Put large section
4557         sections in a separate load segment with the large segment flag
4558         set.
4559         (Layout::segment_precedes): Sort large data segments after other
4560         load segments.
4561         (align_file_offset): New static function.
4562         (Layout::set_segment_offsets): Use align_file_offset.
4563         * output.h (class Output_section): Add is_small_section_ and
4564         is_large_section_ fields.
4565         (Output_section::is_small_section): New function.
4566         (Output_section::set_is_small_section):  New function.
4567         (Output_section::is_large_section): New function.
4568         (Output_section::set_is_large_section): New function.
4569         (Output_section::is_large_data_section): New function.
4570         (class Output_segment): Add is_large_data_segment_ field.
4571         (Output_segment::is_large_data_segment): New function.
4572         (Output_segment::set_is_large_data_segment): New function.
4573         * output.cc (Output_section::Output_section): Initialize new
4574         fields.
4575         (Output_segment::Output_segment): Likewise.
4576         (Output_segment::add_output_section): Add assertion that large
4577         data sections always go in large data segments.  Force small data
4578         sections to the end of the list of data sections.  Force small BSS
4579         sections to the start of the list of BSS sections.  For large BSS
4580         sections to the end of the list of BSS sections.
4581         * symtab.h (class Symbol): Declare is_common_shndx.
4582         (Symbol::is_defined): Check Symbol::is_common_shndx.
4583         (Symbol::is_common): Likewise.
4584         (class Symbol_table): Define enum Commons_section_type.  Update
4585         declarations.  Add small_commons_ and large_commons_ fields.
4586         * symtab.cc (Symbol::is_common_shndx): New function.
4587         (Symbol_table::Symbol_table): Initialize new fields.
4588         (Symbol_table::add_from_object): Put small and large common
4589         symbols in the right list.
4590         (Symbol_table::sized_finalized_symbol): Check
4591         Symbol::is_common_shndx.
4592         (Symbol_table::sized_write_globals): Likewise.
4593         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4594         common symbol lists.  Don't call do_allocate_commons_list if the
4595         list is empty.
4596         (Symbol_table::do_allocate_commons_list): Remove is_tls
4597         parameter.  Add comons_section_type parameter.  Change all
4598         callers.  Handle small and large common symbols.
4599         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4600         Symbol::is_common_shndx.
4601         * resolve.cc (symbol_to_bits): Likewise.
4602         * target.h (Target::small_common_shndx): New function.
4603         (Target::small_common_section_flags): New function.
4604         (Target::large_common_shndx): New function.
4605         (Target::large_common_section_flags): New function.
4606         (Target::new_output_section): New function.
4607         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4608         small_common_section_flags, and large_common_section_flags
4609         fields.
4610         (Target::do_new_output_section): New virtual function.
4611         * arm.cc (Target_arm::arm_info): Initialize new fields.
4612         * i386.cc (Target_i386::i386_info): Likewise.
4613         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4614         Likewise.
4615         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4616         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4617         (Target_x86_64::do_new_output_section): New function.
4618         * configure.ac: Define conditional MCMODEL_MEDIUM.
4619         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4620         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4621         (large_LDFLAGS): Define.
4622         * testsuite/large.c: New file.
4623         * testsuite/testfile.cc (Target_test::test_target_info):
4624         Initialize new fields.
4625         * configure, testsuite/Makefile.in: Rebuild.
4626
4627 2009-06-05  Doug Kwan  <dougkwan@google.com>
4628
4629         * Makefile.am (CCFILES): Add target.cc.
4630         * Makefile.in: Regenerate. 
4631         * i386.cc (class Target_i386): Define new virtual method to
4632         override do_is_local_label_name in parent.
4633         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4634         local symbols if --discard-locals or -X is given.
4635         * options.h (class General_options): Declare new options
4636         '--discard-locals' and '-X' for discarding locals.
4637         * target.h (class Target): Define new methods is_local_label_name.
4638         Declare new virtual method do_is_local_label_name.
4639         * target.cc: New file.
4640         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4641         (check_SCRIPTS): Add discard_locals_test.sh.
4642         (check_DATA): Add discard_local_tests.syms.
4643         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4644         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4645         * testsuite/Makefile.in: Regenerate.
4646         * testsuite/discard_locals_test.c: New file.
4647         * testsuite/discard_locals_test.sh: Same.
4648
4649 2009-06-05  Doug Kwan  <dougkwan@google.com>
4650
4651         * object.cc (Sized_relobj::Sized_relobj): Initialize
4652         discarded_eh_frame_shndx_ to -1U.
4653         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4654         section.
4655         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4656         a discarded .eh_frame section.
4657         (Sized_relobj::do_finalize_local_symbols): Ditto.
4658         * object.h (class Sized_relobj): Declare new member
4659         discarded_eh_frame_shndx_.
4660         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4661         (local_labels_test.o, local_labels_test): New rules.
4662         * testsuite/Makefile.in: Regenerate.
4663
4664 2009-06-04  Doug Kwan  <dougkwan@google.com>
4665
4666         * layout.cc (Layout::section_name_mapping): Add mapping for
4667         special ARM sections.
4668
4669 2009-06-03  Doug Kwan  <dougkwan@google.com>
4670
4671         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4672         (utils::has_overflow): Same.
4673
4674 2009-06-03  Ian Lance Taylor  <iant@google.com>
4675
4676         * layout.cc (Layout::section_name_mapping): New array, replacing
4677         Layout::linkonce_mapping.
4678         (Layout::section_name_mapping_count): New variable, replacing
4679         Layout::linkonce_mapping_count.
4680         (Layout::linkonce_output_name): Remove.
4681         (Layout::output_section_name): Rewrite.
4682         * layout.h (class Layout): Rename Linkonce_mapping to
4683         Section_name_mapping, linkonce_mapping to section_name_mapping,
4684         linkonce_mapping_count to section_name_mapping_count.  Don't
4685         declare linkonce_output_name.
4686
4687 2009-06-03  Doug Kwan  <dougkwan@google.com>
4688
4689         * gold/arm.cc (namespace utils): New.
4690         (Target_arm::reloc_is_non_pic): Define new method.
4691         (class Arm_relocate_functions): New.
4692         (Target_arm::Relocate::relocate): Handle relocation types used by
4693         Android.
4694
4695 2009-06-03  Ian Lance Taylor  <iant@google.com>
4696
4697         * arm.cc (Target_arm::scan::global): Use || instead of |.
4698
4699 2009-06-02  Doug Kwan  <dougkwan@google.com>
4700
4701         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4702         issued_non_pic_error_.
4703         (class Target_arm::Scan): Declare new method check_non_pic.
4704         Define new method symbol_needs_plt_entry.
4705         Declare new data member issued_non_pic_error_.
4706         (class Target_arm::Relocate): Declare new method
4707         should_apply_static_reloc.
4708         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4709         (Target_arm::Scan::check_non_pic): Define new method.
4710         (Target_arm::Scan::local): Handle a small subset of reloc types used
4711         by Android.
4712         (Target_arm::Scan::local): Same.
4713         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4714
4715 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4716
4717         * incremental.cc (Incremental_inputs::report_command_line): Filter
4718         out --incremental-* options.
4719
4720 2009-05-29  Doug Kwan  <dougkwan@google.com>
4721
4722         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4723         template class.
4724         (class Target_arm): Update comment.
4725         (Target_arm::Target_arm): Initialize new data members GOT_,
4726         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4727         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4728         and Target_arm::rel_dyn_section.
4729         Declare new_enum Target_arm::Got_type.
4730         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4731         and DYNBSS_.
4732         Update commments for member do_dynsym_value.
4733         (Target_arm::got_size, Target_arm::plt_section,
4734         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4735         new methods inside class defintion.
4736         (Target_arm::got_section): Define new method.
4737         (Target_arm::rel_dyn_section): Same.
4738         (Output_data_plt_arm): New template class.
4739         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4740         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4741         (Output_data_plt_arm::add_entry): Same.
4742         (Output_data_plt_arm::first_plt_entry): Define new
4743         static data member for PLT instruction template.
4744         (Output_data_plt_arm::plt_entry): Same.
4745         (Output_data_plt_arm::do_write): Define new method.
4746         (Target_arm::make_plt_entry): Same.
4747         (Target_arm::do_finalize_sections): Same.
4748         (Target_arm::do_dynsym_value): Same.
4749
4750 2009-05-28  Doug Kwan  <dougkwan@google.com>
4751
4752         * Makefile.am (TARGETSOURCES): Add arm.cc.
4753         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4754         * Makefile.in: Regenerate.
4755         * arm.cc: New file.
4756         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4757
4758 2009-05-26  Doug Kwan  <dougkwan@google.com>
4759
4760         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4761         (General_options::check_excluded_libs): Strip off directories in
4762         archive name before matching like GNU ld does.
4763         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4764         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4765         (exclude_libs_test_LDFLAGS): Add linker option
4766         -Wl,--exclude-libs,libexclude_libs_test_3
4767         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4768         an explicit archive without using -l.
4769         (alt/libexclude_libs_test_3.a): New make rule.
4770         * testsuite/Makefile.in: Regenerate.
4771         * testsuite/exclude_libs_test.c : Declare lib3_default().
4772         (main): Call it.
4773         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4774         * exclude_libs_test_3.c: New file.
4775
4776 2009-05-26  Nick Clifton  <nickc@redhat.com>
4777
4778         * po/id.po: New Indonesian translation.
4779         * po/gold.pot: Updated template file.
4780
4781 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4782
4783         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4784         gc_comdat_test files.  Add -Wl,--gc-sections to build
4785         gc_comdat_test.
4786         * testsuite/Makefile.in: Regenerate.
4787         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4788
4789 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4790
4791         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4792         kept comdat section was garbage collected.
4793         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4794         * testsuite/Makefile.in: Regenerate.
4795         * testsuite/gc_comdat_test.sh: New file.
4796         * testsuite/gc_comdat_test_1.cc: New file.
4797         * testsuite/gc_comdat_test_2.cc: New file.
4798
4799 2009-05-19  Doug Kwan  <dougkwan@google.com>
4800
4801         * archive.cc (Archive::Archive): Move constructor from archive.h
4802         to here.  Initialize no_export_.
4803         (Archive::get_elf_object_for_member): Set no_export flag of object.
4804         * archive.h (Archive::Archive): Move constructor body to
4805         archive.cc.
4806         (Archive::no_export): New method.
4807         (Archive::no_export_): New field.
4808         * object.h (Object::Object): Initialize no_export_ to false.
4809         (Object::no_export, Object::set_no_export): New methods.
4810         (Object::no_export_): New field.
4811         * options.cc (General_options::parse_exclude_libs): New method.
4812         (General_options::check_excluded_libs) Same.
4813         * options.h (exclude_libs): New option.
4814         (General_options::check_excluded_libs): New method declaration.
4815         (General_options::excluded_libs_): New field.
4816         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4817         default or protected visibility if an object has no-export flag set.
4818         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4819         (check_SCRIPTS): Add exclude_libs_test.sh.
4820         (check_DATA): Add exclude_libs_test.syms.
4821         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4822         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4823         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4824         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4825         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4826         libexclude_libs_test_2.a): New rules.
4827         * testsuite/Makefile.in: Regenerate.
4828         * testsuite/exclude_libs_test.c: New file.
4829         * testsuite/exclude_libs_test.sh: Ditto.
4830         * testsuite/exclude_libs_test_1.c: Ditto.
4831         * testsuite/exclude_libs_test_2.c: Ditto.
4832
4833 2009-05-15  Ian Lance Taylor  <iant@google.com>
4834
4835         * configure.ac: Check for declarations for cases where libiberty.h
4836         checks HAVE_DECL_xxx.
4837         * configure, config.in: Rebuild.
4838
4839 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4840
4841         * gold.h (Incremental_argument_list): Remove (invalid) forward
4842         declaration.
4843         * incremental.cc (Incremental_inputs::report_achive): New method.
4844         (Incremental_inputs::report_object): New method.
4845         (Incremental_inputs::report_script): New method.
4846         (Incremental_inputs::finalize_inputs): New method.
4847         (Incremental_inputs::finalize): Call finalize_inputs().
4848         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4849         Create inputs entries.
4850         * incremental.h (Incremental_input_type): New enum.
4851         (Incremental_inputs::Incremental_input): Initialize new fields.
4852         (Incremental_inputs::report_inputs): New method.
4853         (Incremental_inputs::report_achive): New method.
4854         (Incremental_inputs::report_object): New method.
4855         (Incremental_inputs::report_script): New method.
4856         (Incremental_inputs::finalize_inputs): New method.
4857         (Incremental_inputs::Input_info): New struct.
4858         (Incremental_inputs::Input_info_map): New typedef.
4859         (Incremental_inputs::lock_): New field.
4860         (Incremental_inputs::Inputs_): New field.
4861         (Incremental_inputs::Inputs_map): New field.
4862         * main.cc (main): Call Incremental_input::report_inputs.
4863         * options.h (Input_argument_list): Typedef moved from
4864         Input_arguments.
4865         (Input_file_group::Files): Remove, use ::Input_argument_list.
4866         (Input_file_group::Input_argument_list): Remove, use
4867         ::Input_argument_list.
4868         * plugin.cc (Plugin_manager::add_input_file): Add error in
4869         incremental build.
4870         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4871         functions.
4872         * script.cc (read_input_script): Call
4873         Incremental_input::report_script.
4874         * script.h (Script_info): New class.
4875
4876 2009-04-27  Ian Lance Taylor  <iant@google.com>
4877
4878         * x86_64.cc (do_adjust_output_section): Set entsize to
4879         plt_entry_size.
4880
4881 2009-04-23  Elliott Hughes  <enh@google.com>
4882
4883         * output.cc (Output_file::close): After short writes, continue
4884         writing from the correct offset in the buffer being written.
4885
4886 2009-04-23  Chris Demetriou  <cgd@google.com>
4887
4888         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4889         * configure: Regenerate.
4890         * config.in: Regenerate.
4891         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4892         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4893
4894 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4895
4896         * incremental.cc (Incremental_inputs_header_data): Renamed from
4897         Incremental_input_header_data.
4898         (Incremental_inputs_header_data::data_size): New field.
4899         (Incremental_inputs_header_data::put_input_file_count): Renamed
4900         from input_file_count.
4901         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4902         from command_line_offset.
4903         (Incremental_inputs_header_data::put_reserved): Renamed from
4904         put_reserved.
4905         (Incremental_inputs_entry_data): Renamed from
4906         Incremental_input_entry_data.
4907         (Incremental_inputs_entry_data::data_size): New field.
4908         (Incremental_inputs::report_command_line): New method.
4909         (Incremental_inputs::finalize): New method.
4910         (Incremental_inputs::create_incremental_inputs_data): New method.
4911         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4912         * incremental.h: New file.
4913         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4914        (Layout::finalize): Create incremental inputs section in
4915         incremental builds.
4916        (Layout::create_incremental_info_sections): New method.
4917         * layout.h (Layout::incremental_inputs): New method.
4918        (Layout::create_incremental_info_sections): New method.
4919        (Layout::incremental_inputs_): New field.
4920         * main.cc (main): Notify Incremental_input of the command line.
4921
4922 2009-04-01  Ian Lance Taylor  <iant@google.com>
4923             Mikolaj Zalewski  <mikolajz@google.com>
4924
4925         * gold.h (reserve_unordered_map): Define, three versions, one for
4926         each version of Unordered_map.
4927         * layout.cc (Layout::Layout): Remove options parameter.  Add
4928         number_of_input_files parameter.  Don't initialize options_.
4929         Initialize number_of_input_files_ and resized_signatures_.  Move
4930         sections_are_attached_.
4931         (Layout::layout_group): Reserve space for group_signatures_.
4932         (Layout::find_or_add_kept_section): Change name parameter to be a
4933         reference.  Resize signatures_ map when it gets large enough.
4934         (Layout::layout_eh_frame): Use parameters->options() instead of
4935         this->options_.
4936         (Layout::make_output_section): Likewise.
4937         (Layout::attach_allocated_section_to_segment): Likewise.
4938         (Layout::finalize, Layout::create_executable_stack): Likewise.
4939         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4940         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4941         * layout.h (class Layout): Update declarations.  Remove options_
4942         field.  Add number_of_input_files_ and resized_signatures_
4943         fields.  Move sections_are_attached_ field.
4944         * main.cc (main): Pass number of input files to Layout
4945         constructor.  Don't pass options.
4946
4947 2009-03-30  Ian Lance Taylor  <iant@google.com>
4948
4949         * ffsll.c (ffsll): Correct implementation.
4950
4951 2009-03-27  Ian Lance Taylor  <iant@google.com>
4952
4953         * ffsll.c: New file.
4954         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4955         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4956         * ftruncate.c (ftruncate): Declare before definition.
4957         * mremap.c (mremap): Likewise.
4958         * pread.c (pread): Likewise.
4959         * configure, Makefile.in, config.in: Rebuild.
4960
4961         * mremap.c: New file.
4962         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4963         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4964         (mremap): Declare if HAVE_MREMAP is not defined.
4965         * configure, Makefile.in, config.in: Rebuild.
4966
4967 2009-03-27  Cary Coutant  <ccoutant@google.com>
4968
4969         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4970         position independent.
4971         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4972         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4973
4974 2009-03-24  Cary Coutant  <ccoutant@google.com>
4975
4976         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4977         an executable.
4978         (needs_dynamic_reloc): Likewise.
4979
4980 2009-03-24  Ian Lance Taylor  <iant@google.com>
4981
4982         * yyscript.y (file_cmd): Recognize EXTERN.
4983         (extern_name_list, extern_name_list_body): New nonterminals.
4984         * script.cc (script_add_extern): Define.
4985         * script-c.h (script_add_extern): Declare.
4986
4987 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4988
4989         * object.cc (is_elf_object): Define.
4990         * object.h (is_elf_object): Declare.
4991         * archive.cc (Archive::get_elf_object_for_member): Call
4992         is_elf_object.
4993         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4994
4995 2009-03-24  Elliott Hughes  <enh@google.com>
4996
4997         * output.cc (Output_file::map_anonymous): Define.
4998         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4999         try an anonymous one.  Report the size if the mmap fails.
5000         * output.h (class Output_file): Declare map_anonymous.
5001
5002 2009-03-24  Ian Lance Taylor  <iant@google.com>
5003
5004         * target-select.cc (instantiate_target): Don't acquire the lock if
5005         the instantiated_target_ field has already been set.
5006
5007 2009-03-23  Ian Lance Taylor  <iant@google.com>
5008
5009         * gold-threads.h (class Initialize_lock): Define.
5010         * gold-threads.cc (class Initialize_lock_once): Define.
5011         (initialize_lock_control): New static variable.
5012         (initialize_lock_pointer): New static variable.
5013         (initialize_lock_once): New static function.
5014         (Initialize_lock::Initialize_lock): Define.
5015         (Initialize_lock::initialize): Define.
5016         * target-select.h: Include "gold-threads.h".
5017         (class Target_selector): Add lock_ and initialize_lock_ fields.
5018         Don't define instantiate_target, just declare it.
5019         * target-select.cc (Target_selector::Target_selector): Initialize
5020         new fields.
5021         (Target_selector::instantiate_target): Define.
5022         * descriptors.h: Include "gold-threads.h".
5023         (class Descriptors): Add initialize_lock_ field.
5024         * descriptors.cc (Descriptors::Descriptors): Initialize new
5025         field.
5026         (Descriptors::open): Use initialize_lock_ field
5027         * errors.h (class Errors): Add initialize_lock_ field.
5028         * errors.cc (Errors::Errors): Initialize new field.
5029         (Errors::initialize_lock): Use initialize_lock_ field.
5030         * powerpc.cc (class Target_selector_powerpc): Remove
5031         instantiated_target_ field.  In do_recognize call
5032         instantiate_target rather than do_instantiate_target.  In
5033         do_instantiate_target just allocate a new target.
5034         * sparc.cc (class Target_selector_sparc): Likewise.
5035
5036         * freebsd.h: New file.
5037         * i386.cc: Include "freebsd.h".
5038         (Target_i386): Derive from Target_freebsd rather than
5039         Sized_target.
5040         (Target_selector_i386): Derive from Target_selector_freebsd rather
5041         than Target_selector.
5042         * x86_64.cc: Include "freebsd.h".
5043         (Target_x86_64): Derive from Target_freebsd rather than
5044         Sized_target.
5045         (Target_selector_x86_64): Derive from Target_selector_freebsd
5046         rather than Target_selector.
5047         * target.h (class Target): Add adjust_elf_header and
5048         do_adjust_elf_header.
5049         * output.cc (Output_file_header:: do_sized_write): Call target
5050         adjust_elf_header routine.
5051         * configure.tgt: Set targ_osabi.
5052         * configure.ac: Define GOLD_DEFAULT_OSABI.
5053         * parameters.cc (Parameters::default_target): Pass
5054         GOLD_DEFAULT_OSABI to select_target.
5055         * target-select.h (class Target_selector): Make instantiate_target
5056         protected rather than private.
5057         * Makefile.am (HFILES): Add freebsd.h.
5058         * configure, Makefile.in, config.in: Rebuild.
5059
5060         * merge.cc (do_add_input_section): Correct pend value.  Change
5061         message about last entry not being null terminated from error to
5062         warning.
5063
5064 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5065
5066         * incremental.cc: New file.
5067         * Makefile.am (CCFILES): Add incremental.cc.
5068         * Makefile.in: Rebuild.
5069
5070 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5071
5072         * layout.cc (Layout::output_section_name): Preserve names
5073         of '.note.' sections.
5074         
5075 2009-03-19  Ian Lance Taylor  <iant@google.com>
5076
5077         * descriptors.cc (Descriptors::open): Check that the options are
5078         valid before using them.
5079
5080 2009-03-18  Ian Lance Taylor  <iant@google.com>
5081
5082         * script-sections.h: Include <list>.
5083         (class Script_sections): Change Sections_elements from std::vector
5084         to std::list.  Typedef public Elements_iterator.  Add
5085         orphan_section_placement_, data_segment_align_start_, and
5086         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5087         field.
5088         * script-sections.cc (class Orphan_section_placement): New class.
5089         (class Sections_element): Add virtual functions is_relro and
5090         orphan_section_init.  Remove virtual function place_orphan_here.
5091         (class Output_section_definition): Add is_relro and
5092         orphan_section_init.  Remove place_orphan_here.
5093         (class Orphan_output_section): Likewise.
5094         (Script_sections::Script_sections): Update for field changes.
5095         (Script_sections::data_segment_align): Set saw_data_segment_align_
5096         and data_segment_align_start_, not data_segment_align_index.
5097         (Script_sections::data_segment_relro_end): Check
5098         saw_data_segment_align_.  Use data_segment_align_start_ rather
5099         than data_segment_align_index_.
5100         (Script_sections::place_orphan): Rewrite to use
5101         Orphan_section_placement.
5102
5103 2009-03-17  Ian Lance Taylor  <iant@google.com>
5104
5105         * archive.cc (Archive::add_symbols): Check for a version attached
5106         to the symbol name in the archive map.
5107         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5108         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5109         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5110         (ver_test_11.a): New target.
5111         * testsuite/Makefile.in: Rebuild.
5112
5113         * configure.ac: Check for chsize and posix_fallocate.  Replace
5114         ftruncate.
5115         * ftruncate.c: New file, from gnulib.
5116         * output.cc (posix_fallocate): Define dummy version if not
5117         HAVE_POSIX_FALLOCATE.
5118         (Output_file::map): Call posix_fallocate rather than lseek and
5119         write.
5120         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5121         * configure, Makefile.in, config.in: Rebuild.
5122
5123 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5124         
5125         * layout.h (Layout::create_note): Add section_name parameter.
5126         * layout.cc (Layout::create_note): Likewise.
5127         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5128         
5129 2009-03-17  Ian Lance Taylor  <iant@google.com>
5130
5131         * descriptors.cc: Include "options.h".
5132         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5133         (Descriptors::open): Always use O_CLOEXEC when opening a new
5134         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5135         then set FD_CLOEXEC.
5136
5137         * sparc.cc (class Target_sparc): Add has_got_section.
5138         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5139         make sure we have a GOT section.
5140
5141         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5142         (Target_sparc::Scan::local): Likewise.
5143         (Target_sparc::Scan::global): Likewise.
5144         (Target_sparc::Relocate::relocate): Likewise.
5145         (Target_sparc::Relocate::relocate_tls): Likewise.
5146
5147         * symtab.cc (Symbol_table::define_default_version): New function,
5148         broken out of add_from_object.
5149         (Symbol_table::add_from_object): Call define_default_version.
5150         (Symbol_table::define_special_symbol): Add resolve_oldsym
5151         parameter.  Change all callers.  If the version for a symbol comes
5152         from a version script, resolve it with the symbol with the same
5153         name with no version.  Also add the symbol without a version if
5154         appropriate.
5155         (do_define_in_output_data): If resolving with oldsym, don't delete
5156         sym.
5157         (do_define_in_output_segment): Likewise.
5158         (do_define_as_constant): Likewise.
5159         * symtab.h (class Symbol_table): Update declarations.
5160
5161 2009-03-13  Ian Lance Taylor  <iant@google.com>
5162
5163         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5164         (Read_symbols::requeue): New function.
5165         (Read_symbols::do_read_symbols): If make_elf_object fails because
5166         the target type is not configured, and the file was searched for,
5167         issue a warning and retry with the next directory.
5168         (Add_symbols::run): If the file has an incompatible format, and
5169         it was searched for, requeue the Read_symbols task.  On error,
5170         release the object.
5171         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5172         dirindex parameter to constructor.  Change all callers.  Declare
5173         incompatible_warning and requeue.
5174         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5175         input_argument_ and input_group_ fields.  Add them to
5176         constructor.  Change all callers.
5177         (class Read_script): Add dirindex_ field.  Add it to constructor.
5178         Change all callers.
5179         * archive.cc (Archive::setup): Remove input_objects parameter.
5180         Change all callers.
5181         (Archive::get_file_and_offset): Likewise.
5182         (Archive::read_all_symbols): Likewise.
5183         (Archive::read_symbols): Likewise.
5184         (Archive::get_elf_object_for_member): Remove input_objects
5185         parameter.  Add punconfigured parameter.  Change all callers.
5186         (Archive::add_symbols): Change return type to bool.  Check return
5187         value of include_member.
5188         (Archive::include_all_members): Likewise.
5189         (Archive::include_member): Change return type to bool.  Return
5190         false if first included object has incompatible target.  Set
5191         included_member_ field.
5192         (Add_archive_symbols::run): If add_symbols returns false, requeue
5193         Read_symbols task.
5194         * archive.h (class Archive): Add included_member_ field.
5195         Initialize it in constructor.  Add input_file and searched_for
5196         methods.  Update declarations.
5197         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5198         input_argument_ fields.  Add them to constructor.  Change all
5199         callers.
5200         * script.cc: Include "target-select.h".
5201         (class Parser_closure): Add skip_on_incompatible_target_ and
5202         found_incompatible_target_ fields.  Add
5203         skip_on_incompatible_target parameter to constructor.  Change all
5204         callers.  Add methods skip_on_incompatible_target,
5205         clear_skip_on_incompatible_target, found_incompatible_target, and
5206         set_found_incompatible_target.
5207         (read_input_script): Add dirindex parameter.  Change all callers.
5208         If parser finds an incompatible target, requeue Read_symbols
5209         task.
5210         (script_set_symbol): Clear skip_on_incompatible_target in
5211         closure.
5212         (script_add_assertion, script_parse_option): Likewise.
5213         (script_start_sections, script_add_phdr): Likewise.
5214         (script_check_output_format): New function.
5215         * script.h (read_input_script): Update declaration.
5216         * script-c.h (script_check_output_format): Declare.
5217         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5218         (ignore_cmd): Remove OUTPUT_FORMAT.
5219         * fileread.cc (Input_file::Input_file): Add explicit this.
5220         (Input_file::will_search_for): New function.
5221         (Input_file::open): Add pindex parameter.  Change all callers.
5222         * fileread.h (class Input_file): Add input_file_argument method.
5223         Declare will_search_for.  Update declarations.
5224         * object.cc (make_elf_object): Add punconfigured parameter.
5225         Change all callers.
5226         * object.h (class Object): Make input_file public.  Add
5227         searched_for method.
5228         (make_elf_object): Update declaration.
5229         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5230         restart search.
5231         * dirsearch.h (class Dirsearch): Update declaration.
5232         * options.h (class General_options): Add --warn-search-mismatch.
5233         * parameters.cc (Parameters::is_compatible_target): New function.
5234         * parameters.h (class Parameters): Declare is_compatible_target.
5235         * workqueue.cc (Workqueue::add_blocker): New function.
5236         * workqueue.h (class Workqueue): Declare add_blocker.
5237
5238         * fileread.cc (Input_file::open): Remove options parameter.
5239         Change all callers.
5240         (Input_file::open_binary): Likewise.
5241         * script.cc (read_input_script): Likewise.
5242         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5243         options parameter from constructor.  Change all callers.
5244         (class Read_script): Likewise.
5245         * fileread.h (class Input_file): Update declarations.
5246         * script.h (read_input_script): Update declaration.
5247
5248 2009-03-10  Nick Clifton  <nickc@redhat.com>
5249
5250         * po/es.po: New Spanish translation.
5251
5252 2009-03-06  Cary Coutant  <ccoutant@google.com>
5253
5254         * options.cc (parse_short_option): Keep dash_z from registering itself.
5255
5256 2009-03-03  Ian Lance Taylor  <iant@google.com>
5257
5258         PR 9918
5259         * target-reloc.h (relocate_section): Pass output_section to
5260         relocate.
5261         * i386.cc (Target_i386::should_apply_static_reloc): Add
5262         output_section parameter.  Change all callers.
5263         (Target_i386::Relocate::relocate): Add output_section parameter.
5264         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5265         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5266         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5267         * testsuite/two_file_shared.sh: New script.
5268         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5269         (check_DATA): Add two_file_shared.dbg.
5270         (two_file_shared.dbg): New target.
5271         * testsuite/Makefile.in: Rebuild.
5272
5273 2009-03-01  Ian Lance Taylor  <iant@google.com>
5274
5275         * configure.ac: Check for byteswap.h.
5276         * configure: Rebuild.
5277         * config.in: Rebuild.
5278
5279 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5280
5281         * layout.cc (Layout::find_or_add_kept_section): New function.
5282         (Layout::add_comdat): Removed.
5283         * layout.h (struct Kept_section): Move out of class Layout.
5284         Remove trailing underscores from field names.  Add group_sections
5285         field.  Rename group_ field to is_group.  Change all uses.
5286         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5287         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5288         comdat_groups_ field.
5289         (Sized_relobj::include_section_group): Use
5290         find_or_add_kept_section and Kept_section::group_sections.
5291         (Sized_relobj::include_linkonce_section): Likewise.
5292         * object.cc (class Sized_relobj): Don't define Comdat_group or
5293         Comdat_group_table.  Remove find_comdat_group and
5294         add_comdat_group.  Remove comdat_groups_ field.
5295         * plugin.cc (include_comdat_group): Use
5296         Layout::find_or_add_kept_section.
5297
5298 2009-02-28  Ian Lance Taylor  <iant@google.com>
5299
5300         * README: --gc-sections and map files are now supported.  Document
5301         some build requirements.
5302
5303         PR 6992
5304         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5305         relocatable link set the value of the section symbol to zero.
5306         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5307         relocatable link don't include the section address in the local
5308         symbol value.
5309
5310 2009-02-27  Ian Lance Taylor  <iant@google.com>
5311
5312         PR 6811
5313         * options.h (class Search_directory): Add is_system_directory.
5314         (class General_options): Declare is_in_system_directory.
5315         * options.cc (get_relative_sysroot): Make static.
5316         (get_default_sysroot): Make static.
5317         (General_optoins::is_in_system_directory): New function.
5318         * fileread.cc (Input_file::is_in_system_directory): New function.
5319         * fileread.h (class Input_file): Declare is_in_system_directory.
5320         * object.h (class Object): Add is_in_system_directory.
5321         (class Input_objects): Remove system_library_directory_ field.
5322         * object.cc (Input_objects::add_object): Don't set
5323         system_library_directory_.
5324         (input_objects::found_in_system_library_directory): Remove.
5325         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5326         parameter.  Change all callers.
5327         (Symbol_table::sized_write_globals): Likewise.
5328         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5329         Call Object::is_in_system_directory.
5330         * symtab.h (class Symbol_table): Update declarations.
5331
5332         PR 5990
5333         * descriptors.h (Open_descriptor): Add is_on_stack field.
5334         * descriptors.cc (Descriptors::open): If the descriptor is on the
5335         top of the stack, remove it.  Initialize is_on_stack field.
5336         (Descriptors::release): Only add pod to stack if it is not on the
5337         stack already.
5338         (Descriptors::close_some_descriptor): Clear stack_next and
5339         is_on_stack fields.
5340
5341         PR 7091
5342         * output.cc (Output_section::find_starting_output_address): Rename
5343         from starting_output_address; add PADDR parameter; change return
5344         type.
5345         * output.h (class Output_section): Declare
5346         find_starting_output_address instead of starting_output_address.
5347         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5348         section symbol for which we can't find a merge section.
5349
5350         PR 9836
5351         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5352         hidden or internal, force the symbol to be local.
5353         * resolve.cc (Symbol::override_visibility): Define.
5354         (Symbol::override_base): Use override_visibility.
5355         (Symbol_table::resolve): Likewise.
5356         (Symbol::override_base_with_special): Likewise.
5357         (Symbol_table::override_with_special): If the visibility is hidden
5358         or internal, force the symbol to be local.
5359         * symtab.h (class Symbol): Add set_visibility and
5360         override_visibility.
5361         * testsuite/ver_test_1.sh: New file.
5362         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5363         (check_DATA): Add ver_test_1.syms.
5364         (ver_test_1.syms): New target.
5365         * testsuite/Makefile.in: Rebuild.
5366
5367 2009-02-25  Cary Coutant  <ccoutant@google.com>
5368
5369         * layout.cc (Layout::choose_output_section): Don't rename sections
5370         when using a linker script that has a SECTIONS clause.
5371         * Makefile.in: Regenerate.
5372
5373         * testsuite/Makefile.am (script_test_5.sh): New test case.
5374         * testsuite/Makefile.in: Regenerate.
5375         * testsuite/script_test_5.cc: New file.
5376         * testsuite/script_test_5.sh: New file.
5377         * testsuite/script_test_5.t: New file.
5378
5379 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5380
5381         * archive.cc (Archive::include_member): Update calls to add_symbols.
5382         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5383         the Layout argument.
5384         * dynobj.h (do_add_symbols): Add the Layout argument.
5385         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5386         Layout argument.
5387         * object.h (Object::add_symbols): Add the Layout argument.
5388         (Object::do_add_symbols): Add the Layout argument.
5389         (Sized_relobj::do_add_symbols): Add the Layout argument.
5390         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5391         Unify the two versions.
5392         (Add_plugin_symbols): Remove.
5393         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5394         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5395         (Add_plugin_symbols): Remove.
5396         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5397         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5398         (Add_symbols::run): Make it work with Pulginobj.
5399
5400 2009-02-06  Ian Lance Taylor  <iant@google.com>
5401
5402         * object.cc (Sized_relobj::do_layout): Make info message start
5403         with lower case letter.
5404
5405 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5406
5407         * binary.cc: Fix file comment.
5408
5409         * options.h (enum Incremental_disposition): Define.
5410         (class General_options): Add new options: --incremental,
5411         --incremental_changed, --incremental_unchanged,
5412         --incremental_unknown.  Add incremental_disposition_ and
5413         implicit_incremental_ fields.
5414         (General_options::incremental_disposition): New function.
5415         (class Position_dependent_options): Add incremental_disposition
5416         option.
5417         (Position_dependent_options::copy_from_options): Set incremental
5418         dispositions.
5419         * options.cc (General_options::parse_incremental_changed): New
5420         function.
5421         (General_options::parse_incremental_unchanged): New function.
5422         (General_options::parse_incremental_unknown): New function.
5423         (General_options::General_options): Initialize new fields
5424         incremental_disposition_ and implicit_incremental_.
5425         (General_options::finalize): Check for uasge of --incremental-*
5426         without --incremental.
5427
5428 2009-02-06  Chris Demetriou  <cgd@google.com>
5429
5430         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5431         pointer and to report location as the file name associated with
5432         the symbol.
5433         (gold_undefined_symbol_at_location): New function to replace the
5434         old gold_undefined_symbol functionality.
5435         * target-reloc.h (relocate_section): Update to use
5436         gold_undefined_symbol_at_location.
5437         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5438         Call gold_undefined_symbol function rather than gold_error.
5439         * errors.h (Errors::undefined_symbol): Take location as a
5440         string, rather than calculating it from a relocation.
5441         * errors.cc (Errors::fatal): Print "fatal error:" before the
5442         formatted message.
5443         (Errors::error, Errors::error_at_location): Print "error: "
5444         before the formatted message.
5445         (Errors::undefined_symbol): Take location as a string, rather
5446         than calculating it from a relocation.
5447         (gold_undefined_symbol_at_location): New function akin to
5448         old gold_undefined_symbol, calculates location from relocation.
5449         (gold_undefined_symbol): Change to take only a Symbol pointer
5450         and to report location as the file name associated with the symbol.
5451         * testsuite/debug_msg.sh: Update for changed error messages.
5452         * testsuite/undef_symbol.sh: Likewise.
5453
5454 2009-02-04  Duncan Sands  <baldrick@free.fr>
5455
5456         PR 9812
5457         * reduced_debug_output.h
5458         (Output_reduced_debug_abbrev_section::failed): Use format for
5459         gold_warning.
5460         (Output_reduced_debug_info_section::faild): Likewise.
5461
5462 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5463
5464         * script.cc (Lazy_demangler): New class.
5465         (Version_script_info::get_symbol_version_helper): Demangle a
5466         symbol only once.
5467
5468 2009-01-29  Cary Coutant  <ccoutant@google.com>
5469
5470         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5471         to __tls_get_addr.
5472         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5473
5474 2009-01-28  Ian Lance Taylor  <iant@google.com>
5475
5476         * version.cc (version_string): Bump to 1.9.
5477
5478         * gold.h: Include <cstring> and <stdint.h>.
5479         * version.cc: Include <cstdio>.
5480         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5481         warning.
5482         * reduced_debug_output.cc (insert_into_vector): Rename from
5483         Insert_into_vector; change all callers.  Use Swap_unaligned to
5484         avoid aliasing issue; remove union since it is unnecessary.
5485
5486 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5487
5488         * Makefile.am (CCFILES): Add gc.cc.
5489         (HFILES): Add gc.h.
5490         * Makefile.in: Regenerate.
5491         * gold.cc (Gc_runner): New class.
5492         (queue_initial_tasks): Call garbage collection related tasks
5493         when corresponding options are invoked.
5494         (queue_middle_gc_tasks): New function.
5495         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5496         processed early before laying out sections during garbage collection.
5497         * gold.h (queue_middle_gc_tasks): New function.
5498         (is_prefix_of): Move from "layout.cc".
5499         * i386.cc (Target_i386::gc_process_relocs): New function.
5500         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5501         * main.cc (main): Create object of class "Garbage_collection".
5502         * object.cc (Relobj::copy_symbols_data): New function.
5503         (Relobj::is_section_name_included): New function.
5504         (Sized_relobj::do_layout): Allow this function to be called twice 
5505         during garbage collection and defer layout of section during the 
5506         first call.
5507         * object.h (Relobj::get_symbols_data): New function.
5508         (Relobj::is_section_name_included): New function.
5509         (Relobj::copy_symbols_data): New function.
5510         (Relobj::set_symbols_data): New function.
5511         (Relobj::get_relocs_data): New function.
5512         (Relobj::set_relocs_data): New function.
5513         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5514         (Relobj::gc_process_relocs): New function.
5515         (Relobj::do_gc_process_relocs): New pure virtual function.
5516         (Relobj::sd_): New data member.
5517         (Sized_relobj::is_output_section_offset_invalid): New function.
5518         (Sized_relobj::do_gc_process_relocs): New function.
5519         * options.h (General_options::gc_sections): Modify to not be a no-op.
5520         (General_options::print_gc_sections): New option.
5521         * plugin.cc (Plugin_finish::run): Remove function call to
5522         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5523         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5524         * reloc.cc (Read_relocs::run): Add task to process relocs and
5525         determine unreferenced sections when doing garbage collection.
5526         (Gc_process_relocs): New class.
5527         (Sized_relobj::do_gc_process_relocs): New function.
5528         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5529         sections that are garbage collected.
5530         * reloc.h (Gc_process_relocs): New class.
5531         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5532         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5533         symbols whose corresponding sections are garbage collected.
5534         (Symbol_table::Symbol_table): Add new parameter for the garbage
5535         collection object.
5536         (Symbol_table::gc_mark_undef_symbols): New function.
5537         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5538         (Symbol_table::gc_mark_dyn_syms): New function.
5539         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5540         as garbage.
5541         (Symbol_table::add_from_object): Likewise.
5542         (Symbol_table::add_from_relobj): When building shared objects, do not
5543         treat externally visible symbols as garbage.
5544         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5545         table information for static and relocatable links.
5546         * symtab.h (Symbol_table::set_gc): New function.
5547         (Symbol_table::gc): New function.
5548         (Symbol_table::gc_mark_undef_symbols): New function.
5549         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5550         (Symbol_table::gc_mark_dyn_syms): New function.
5551         (Symbol_table::gc_): New data member.
5552         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5553         function.
5554         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5555         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5556
5557 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5558
5559         * options.h (General_options::gc_sections): Define as a no-op for now.
5560         (General_options::no_keep_memory): Ditto.
5561         (General_options::Bshareable): Define.
5562         * options.cc (General_options::finalize): Honor -Bshareable.
5563
5564 2009-01-20  Andreas Schwab  <schwab@suse.de>
5565
5566         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5567         read the value in the contents, since we don't use it.  Use the
5568         template endianness when writing.
5569         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5570
5571 2009-01-19  Andreas Schwab  <schwab@suse.de>
5572
5573         * configure.tgt (powerpc64-*): Fix targ_obj.
5574
5575 2009-01-15  Ian Lance Taylor  <iant@google.com>
5576
5577         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5578         local symbols when stripping all symbols.
5579
5580 2009-01-14  Cary Coutant  <ccoutant@google.com>
5581
5582         * output.cc (Output_reloc): Add explicit instantiations.
5583
5584 2009-01-14  Cary Coutant  <ccoutant@google.com>
5585
5586         * archive.cc (Archive::get_elf_object_for_member): Remove call
5587         to File_read::claim_for_plugin.
5588         * descriptors.cc (Descriptors::open): Remove reference to
5589         is_claimed.
5590         (Descriptors::claim_for_plugin): Remove.
5591         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5592         (Descriptors::is_claimed): Remove.
5593         (claim_descriptor_for_plugin): Remove.
5594         * fileread.cc (File_read::claim_for_plugin): Remove.
5595         * fileread.h (File_read::claim_for_plugin): Remove.
5596         (File_read::descriptor): Reopen descriptor if necessary.
5597         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5598         (Plugin_manager::all_symbols_read): Add task parameter. Change
5599         all callers.
5600         (Plugin_manager::get_input_file): New function.
5601         (Plugin_manager::release_input_file): New function.
5602         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5603         corresponding data member.
5604         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5605         and pass to base constructor. Change all callers.
5606         (get_input_file, release_input_file): New functions.
5607         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5608         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5609         (Plugin_manager::all_symbols_read): Add task parameter.
5610         (Plugin_manager::get_input_file): New function.
5611         (Plugin_manager::release_input_file): New function.
5612         (Plugin_manager::task_): New data member.
5613         (Pluginobj::Pluginobj): Add filesize parameter.
5614         (Pluginobj::filename): New function.
5615         (Pluginobj::descriptor): New function.
5616         (Pluginobj::filesize): New function.
5617         (Pluginobj::filesize_): New data member.
5618         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5619         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5620         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5621
5622         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5623         with archive libraries.
5624         * testsuite/Makefile.in: Regenerate.
5625         * testsuite/plugin_test.c (struct sym_info): New type.
5626         (get_input_file, release_input_file): New static variables.
5627         (onload): Capture new transfer vector entries.
5628         (claim_file_hook): Stop reading at end of file according to filesize.
5629         Factor out parsing of readelf output into separate function.
5630         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5631         APIs and get the source file name from the symbol table.  Convert
5632         source file name to corresponding object file name.  Print info
5633         message when adding new input files.
5634         (parse_readelf_line): New function.
5635         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5636         * testsuite/plugin_test_2.sh: Likewise.
5637         * testsuite/plugin_test_3.sh: Likewise.
5638         * testsuite/plugin_test_4.sh: New test case.
5639
5640 2009-01-07  Ian Lance Taylor  <iant@google.com>
5641
5642         * version.cc (version_string): Bump to 1.8.
5643
5644 2008-12-23  Cary Coutant  <ccoutant@google.com>
5645
5646         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5647         * plugin.cc (Plugin_manager::finish): Rename as
5648         layout_deferred_objects.  Move cleanup to separate function.
5649         (Plugin_manager::cleanup): New function.
5650         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5651         separately.
5652         * plugin.h (Plugin_manager::finish): Rename as
5653         layout_deferred_objects.
5654         (Plugin_manager::cleanup): New function.
5655         (Plugin_manager::cleanup_done): New field.
5656
5657 2008-12-23  Cary Coutant  <ccoutant@google.com>
5658
5659         * plugin.cc (is_visible_from_outside): New function.
5660         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5661         so we don't return "IR only" status for exported symbols or -r links.
5662
5663         * testsuite/Makefile.am (plugin_test_3): New test case.
5664         * testsuite/Makefile.in: Regenerate.
5665         * testsuite/plugin_test_3.sh: New file.
5666
5667 2008-12-22  Cary Coutant  <ccoutant@google.com>
5668
5669         * object.cc (Sized_relobj::layout_section): New function.
5670         (Sized_relobj::do_layout): Defer layout of input sections until after
5671         plugin has provided replacement files.
5672         (Sized_relobj::do_layout_deferred_sections): New function.
5673         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5674         (Relobj::layout_deferred_sections): New function.
5675         (Relobj::do_layout_deferred_sections): New function.
5676         (Sized_relobj::do_layout_deferred_sections): New function.
5677         (Sized_relobj::layout_section): New function.
5678         (Sized_relobj::Deferred_layout): New structure.
5679         (Sized_relobj::deferred_layout_): New field.
5680         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5681         Change all callers.  Layout deferred sections.
5682         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5683         references.
5684         (Plugin_hook::run): Move code from do_plugin_hook inline.
5685         (Plugin_hook::do_plugin_hook): Remove.
5686         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5687         (Plugin_manager::finish): Renamed, was cleanup.
5688         (Plugin_manager::should_defer_layout): New function.
5689         (Plugin_manager::add_deferred_layout_object): New function.
5690         (Plugin_manager::Deferred_layout_list): New type.
5691         (Plugin_manager::deferred_layout_objects_): New field.
5692         (Plugin_hook::do_plugin_hook): Remove.
5693
5694 2008-12-17  Ian Lance Taylor  <iant@google.com>
5695
5696         * options.h (class General_options): Add --no case for
5697         --export-dynamic.
5698
5699 2008-12-16  Cary Coutant  <ccoutant@google.com>
5700
5701         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5702         vector.
5703         (Plugin_manager::claim_file): Create plugin object even if
5704         plugin did not call the add_symbols callback.
5705         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5706         asking for more symbols than were added.
5707         * testsuite/Makefile.am (plugin_test_1): Add test case with
5708         no global symbols.
5709         (empty.syms): New target.
5710         * testsuite/Makefile.in: Regenerate.
5711         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5712         message. Don't call add_symbols if no globals.
5713         (all_symbols_read_hook): Don't provide replacement for empty
5714         claimed file.
5715
5716 2008-12-12  Ian Lance Taylor  <iant@google.com>
5717
5718         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5719         r_type == 0 for a local symbol with r_sym == 0.
5720         (scan_relocatable_relocs): Pass r_sym to
5721         local_non_section_strategy.
5722         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5723         r_sym parameter.
5724
5725         * configure.ac: Update test for TLS descriptors: they are
5726         supported as of glibc 2.9.
5727         * configure: Rebuild.
5728
5729 2008-12-11  Ian Lance Taylor  <iant@google.com>
5730
5731         PR 7091
5732         * target-reloc.h (Default_scan_relocatable_relocs): For each
5733         function, map r_type == 0 to RELOC_DISCARD.
5734
5735 2008-12-10  Cary Coutant  <ccoutant@google.com>
5736
5737         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5738         object to override a kept COMDAT group from a plugin object.
5739
5740 2008-12-09  Ian Lance Taylor  <iant@google.com>
5741
5742         PR 7088
5743         * yyscript.y (file_cmd): Handle INPUT.
5744
5745         * testsuite/initpri1.c: Change all declarations to be full
5746         prototypes by adding void, to avoid compiler warnings.
5747
5748 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5749
5750         * options.cc (General_options::parse_plugin_opt): New.
5751         (General_options::add_plugin): The argument now is just the filename.
5752         (General_options::add_plugin_option): New.
5753         * options.h (plugin_opt): New.
5754         (add_plugin): Change argument name.
5755         (add_plugin_option): New.
5756         * plugin.cc (Plugin::load): Don't parse the plugin option.
5757         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5758         (Plugin::add_option): New.
5759         (Plugin::args_): Change type.
5760         (Plugin::filename_): New.
5761         (Plugin_manager::add_plugin_option): New.
5762         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5763         * testsuite/Makefile.in: Regenerate.
5764
5765 2008-12-05  Cary Coutant  <ccoutant@google.com>
5766
5767         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5768         Handle --strip-lto-sections option.
5769         * options.h (strip_lto_sections): New option.
5770
5771 2008-12-01  Cary Coutant  <ccoutant@google.com>
5772
5773         * plugin.cc (ld_plugin_message): Change format parameter to const.
5774         Fix mismatch between new[] and delete.
5775
5776 2008-11-14  Cary Coutant  <ccoutant@google.com>
5777
5778         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5779         instead of -1U.
5780
5781 2008-11-05  Craig Silverstein  <csilvers@google.com>
5782
5783         * options.cc (General_options::parse_dynamic_list): New function.
5784         * options.h (General_options): New flags dynamic_list,
5785         dynamic_list_data, dynamic_list_cpp_new, and
5786         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5787         (General_options::in_dynamic_list): New function.
5788         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5789         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5790         (Lex::can_continue_name): Likewise.
5791         (yylex): Likewise.
5792         (read_script_file): New parameter script_options.
5793         (read_dynamic_list): New function.
5794         (Script_options::define_dynamic_list): New function.
5795         (dynamic_list_keyword_parsecodes): New variable.
5796         (dynamic_list_keywords): New variable.
5797         * script.h (Script_options::define_dynamic_list): New function
5798         prototype.
5799         (read_dynamic_list): New function prototype.
5800         * symtab.cc (strprefix): New macro.
5801         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5802         dynamic_list_data, dynamic_list_cpp_new, and
5803         dynamic_list_cpp_typeinfo.
5804         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5805         (dynamic_list_expr): New rule.
5806         (dynamic_list_nodes): Likewise.
5807         (dynamic_list_node): Likewise.
5808         * testsuite/Makefile.am (dynamic_list): New test.
5809         * testsuite/Makefile.in: Regenerated.
5810         * testsuite/dynamic_list.t: New file.
5811         * testsuite/dynamic_list.sh: New file.
5812
5813 2008-11-05  Craig Silverstein  <csilvers@google.com>
5814
5815         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5816         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5817         (t11_last): Likewise.
5818         * testsuite/ver_test_6.c (main): Likewise.
5819
5820 2008-10-07  Cary Coutant  <ccoutant@google.com>
5821
5822         * options.c (General_options::finalize): Add check for -static and
5823         -shared.
5824         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5825         is not empty.
5826
5827 2008-10-02  Cary Coutant  <ccoutant@google.com>
5828
5829         * plugin.cc (make_sized_plugin_object): Fix conditional
5830         compilation to work when not all targets are enabled.
5831
5832 2008-09-29  Cary Coutant  <ccoutant@google.com>
5833
5834         * archive.cc (Archive::get_file_and_offset): Use filename instead
5835         of name to get library path.
5836         (Archive::include_member): Unlock external member of a thin archive.
5837
5838         * testsuite/Makefile.am (TEST_AR): New variable.
5839         (thin_archive_test_1): New test.
5840         (thin_archive_test_2): New test.
5841         * testsuite/Makefile.in: Regenerate.
5842         * testsuite/thin_archive_main.cc: New file.
5843         * testsuite/thin_archive_test_1.cc: New file.
5844         * testsuite/thin_archive_test_2.cc: New file.
5845         * testsuite/thin_archive_test_3.cc: New file.
5846         * testsuite/thin_archive_test_4.cc: New file.
5847
5848 2008-09-29  Cary Coutant  <ccoutant@google.com>
5849
5850         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5851         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5852         instead of -1U.
5853         (Sized_relobj::do_finalize_local_symbols): Likewise.
5854         (Sized_relobj::map_to_kept_section): Likewise.
5855         * object.h (Sized_relobj::invalid_address): New constant.
5856         (Sized_relobj::do_output_section_offset): Check for invalid_address
5857         and return -1ULL.
5858         * output.cc (Output_reloc::local_section_offset): Use constant
5859         invalid_address instead of -1U.
5860         (Output_reloc::get_address): Likewise.
5861         (Output_section::output_address): Change -1U to -1ULL.
5862         * output.h (Output_reloc::invalid_address): New constant.
5863         * reloc.cc (Sized_relobj::write_sections): Use constant
5864         invalid_address instead of -1U.
5865         (Sized_relobj::relocate_sections): Likewise.
5866         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5867         values for merge sections.
5868         * target-reloc.h (relocate_for_relocatable): Use constant
5869         invalid_address instead of -1U.
5870
5871 2008-09-19  Cary Coutant  <ccoutant@google.com>
5872
5873         Add plugin functionality for link-time optimization (LTO).
5874         * configure.ac (plugins): Add --enable-plugins option.
5875         * configure: Regenerate.
5876         * config.in: Regenerate.
5877         * Makefile.am (LIBDL): New variable.
5878         (CCFILES): Add plugin.cc.
5879         (HFILES): Add plugin.h.
5880         (ldadd_var): Add LIBDL.
5881         * Makefile.in: Regenerate.
5882
5883         * archive.cc: Include "plugin.h".
5884         (Archive::setup): Don't preread archive symbols when using a plugin.
5885         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5886         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5887         files.
5888         (Archive::include_member): Add symbols from plugin objects.
5889         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5890         * descriptors.cc (Descriptors::open): Check for file descriptors
5891         abandoned by plugins.
5892         (Descriptors::claim_for_plugin): New function.
5893         * descriptors.h (Descriptors::claim_for_plugin): New function.
5894         (Open_descriptor::is_claimed): New field.
5895         (claim_descriptor_for_plugin): New function.
5896         * fileread.cc (File_read::claim_for_plugin): New function.
5897         * fileread.h (File_read::claim_for_plugin): New function.
5898         (File_read::descriptor): New function.
5899         * gold.cc: Include "plugin.h".
5900         (queue_initial_tasks): Add task to call plugin hooks for generating
5901         new object files.
5902         * main.cc: Include "plugin.h".
5903         (main): Load plugin libraries.
5904         * object.h (Pluginobj): Declare.
5905         (Object::pluginobj): New function.
5906         (Object::do_pluginobj): New function.
5907         (Object::set_target): New function.
5908         * options.cc: Include "plugin.h".
5909         (General_options::parse_plugin): New function.
5910         (General_options::General_options): Initialize plugins_ field.
5911         (General_options::add_plugin): New function.
5912         * options.h (Plugin_manager): Declare.
5913         (General_options): Add --plugin option.
5914         (General_options::has_plugins): New function.
5915         (General_options::plugins): New function.
5916         (General_options::add_plugin): New function.
5917         (General_options::plugins_): New field.
5918         * plugin.cc: New file.
5919         * plugin.h: New file.
5920         * readsyms.cc: Include "plugin.h".
5921         (Read_symbols::do_read_symbols): Check for archive before checking
5922         for ELF file.  Call plugin hooks to claim files.
5923         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5924         from a real object file; force override when processing replacement
5925         files.
5926         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5927         (Symbol::init_base_object): Likewise.
5928         (Symbol::init_base_output_data): Likewise.
5929         (Symbol::init_base_output_segment): Likewise.
5930         (Symbol::init_base_constant): Likewise.
5931         (Symbol::init_base_undefined): Likewise.
5932         (Symbol::output_section): Assert that object is not a plugin.
5933         (Symbol_table::add_from_pluginobj): New function.
5934         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5935         undefined.
5936         (Symbol_table::sized_write_globals): Likewise.
5937         (Symbol_table::add_from_pluginobj): Instantiate template.
5938         * symtab.h (Sized_pluginobj): Declare.
5939         (Symbol::in_real_elf): New function.
5940         (Symbol::set_in_real_elf): New function.
5941         (Symbol::in_real_elf_): New field.
5942         (Symbol_table::add_from_pluginobj): New function.
5943
5944         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5945         (LIBDL): New variable.
5946         (LDADD): Add LIBDL.
5947         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5948         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5949         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5950         (MOSTLYCLEANFILES): Likewise.
5951         * testsuite/Makefile.in: Regenerate.
5952         * testsuite/plugin_test.c: New file.
5953         * testsuite/plugin_test_1.sh: New file.
5954         * testsuite/plugin_test_2.sh: New file.
5955
5956 2008-09-16  Ian Lance Taylor  <iant@google.com>
5957
5958         * target-reloc.h (relocate_section): Check whether a symbol is
5959         defined by the ABI before reporting an undefined symbol error.
5960         * target.h (Target::is_defined_by_abi): Make parameter const.
5961         (Target::do_is_defined_by_abi): Likewise.
5962         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5963         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5964         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5965         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5966         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5967         * testsuite/Makefile.in: Rebuild.
5968
5969         * fileread.cc (make_view): Add casts to avoid warning.
5970
5971 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5972
5973         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5974         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5975
5976 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5977
5978         * options.h (General_options::output_is_executable): New.
5979         (General_options::output_is_pie): New.
5980         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5981         for shared libraries.
5982         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5983
5984 2008-09-11  Chris Demetriou  <cgd@google.com>
5985
5986         * options.h (origin): New -z option.
5987         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5988         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5989         in DT_FLAGS_1.
5990
5991 2008-09-05  Cary Coutant  <ccoutant@google.com>
5992
5993         * fileread.cc (File_read::make_view): Add check for attempt to map
5994         beyond end of file.
5995
5996 2008-09-05  Cary Coutant  <ccoutant@google.com>
5997
5998         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5999         explicit instantiations.
6000
6001 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6002
6003         PR gold/6858
6004         * options.cc (General_options::finalize): Allow undefined symbols
6005         in shlibs if linking -shared.
6006
6007         PR gold/6859
6008         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6009         symbols as not needing a dynsym entry.
6010
6011 2008-08-20  Craig Silverstein  <csilvers@google.com>
6012
6013         * fileread.cc (File_read::open): Do not lock the file unless it
6014         was successfully opened.
6015
6016 2008-08-14  Cary Coutant  <ccoutant@google.com>
6017
6018         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6019         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6020         * testsuite/tls_test.cc (struct int128): 128-bit struct
6021         for testing TLS relocs with non-zero addend.
6022         (v12): New TLS variable.
6023         (t12): New test.
6024         (t_last): Add check for v12.
6025         * testsuite/tls_test.h (t12): New function.
6026         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6027
6028 2008-08-13  Ian Lance Taylor  <iant@google.com>
6029
6030         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6031         set tls_segment_ or relro_segment_.
6032         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6033         when appropriate.
6034         * output.h (Output_section::clear_is_relro): New function.
6035         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6036         sections specially even when output_data_ is empty.
6037         (Output_segment::maximum_alignment): When first section is relro,
6038         only force alignment for PT_LOAD segments.
6039         * script.cc (script_data_segment_align): New function.
6040         (script_data_segment_relro_end): New function.
6041         * script-c.h (script_data_segment_align): Declare.
6042         (script_data_segment_relro_end): Declare.
6043         * script-sections.h (class Script_sections): Declare
6044         data_segment_align and data_segment_relro_end.  Add fields
6045         segment_align_index_ and saw_relro_end_.
6046         * script-sections.cc (class Sections_element): Add set_is_relro
6047         virtual function.  Add new bool* parameter to place_orphan_here.
6048         Add get_output_section virtual function.
6049         (class Output_section_definition): Add set_is_relro.  Add new
6050         bool* parameter to place_orphan_here.  Add get_output_section.
6051         Add is_relro_ field.
6052         (Output_section_definition::Output_section_definition): Initialize
6053         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6054         and is_relro_ fields.
6055         (Output_section_definition::place_orphan_here): Add is_relro
6056         parameter.
6057         (Output_section_definition::set_section_addresses): Set relro for
6058         output section.
6059         (Output_section_definition::alternate_constraint): Likewise.
6060         (class Orphan_output_section): Add new bool* parameter to
6061         place_orphan_here.  Add get_output_section.
6062         (Orphan_output_section::place_orphan_here): Add is_relro
6063         parameter.
6064         (Script_sections::Script_sections): Initialize
6065         data_segment_align_index_ and saw_relro_end_.
6066         (Script_sections::data_segment_align): New function.
6067         (Script_sections::data_segment_relro_end): New function.
6068         (Script_sections::place_orphan): Set or clear is_relro.
6069         (Script_sections::set_section_addresses): Force alignment of first
6070         TLS section.
6071         * yyscript.y (exp): Call script_data_segment_align and
6072         script_data_segment_relro_end.
6073         * testsuite/relro_script_test.t: New file.
6074         * testsuite/relro_test.cc (using_script): Declare.
6075         (t1, t2): Test using_script.
6076         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6077         (relro_script_test_SOURCES): Define.
6078         (relro_script_test_DEPENDENCIES): Define.
6079         (relro_script_test_LDFLAGS): Define.
6080         (relro_script_test_LDADD): Define.
6081         (relro_script_test.so): New target.
6082         * testsuite/Makefile.in: Rebuild.
6083
6084 2008-08-06  Cary Coutant <ccoutant@google.com>
6085
6086         * archive.cc (Archive::total_archives, Archive::total_members)
6087         (Archive::total_members_loaded): New variables.
6088         (Archive::setup): Add parameter.  Add option to preread
6089         archive symbols.
6090         (Archive::read_armap): Add counter.
6091         (Archive::get_file_and_offset): New function.
6092         (Archive::get_elf_object_for_member): New function.
6093         (Archive::read_all_symbols): New function.
6094         (Archive::read_symbols): New function.
6095         (Archive::add_symbols): Add counters.
6096         (Archive::include_all_members): Use armap to find members if it's
6097         already built.
6098         (Archive::include_member): Skip reading symbols if already read.
6099         Factored code into Archive::get_file_and_offset and
6100         Archive::get_elf_object_for_member.  Changed call to
6101         Mapfile::report_include_archive_member.
6102         (Archive::print_stats): New function.
6103         * archive.h: Declare Object and Read_symbols_data classes.
6104         (Archive::Archive): Add initializers for new members.
6105         (Archive::setup): Add parameter.
6106         (Archive::print_stats): New function.
6107         (Archive::total_archives, Archive::total_members)
6108         (Archive::total_members_loaded): New variables.
6109         (Archive::get_file_and_offset): New function.
6110         (Archive::get_elf_object_for_member): New function.
6111         (Archive::read_all_symbols): New function.
6112         (Archive::read_symbols): New function.
6113         (Archive::Archive_member): New class.
6114         (Archive::members_): New member.
6115         (Archive::num_members_): New member.
6116         * main.cc: Include archive.h.
6117         (main): Call Archive::print_stats.
6118         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6119         archive parameter; member_name is now the fully-decorated name.
6120         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6121         * options.h: (General_options): Add --preread-archive-symbols option.
6122         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6123         Archive::setup.
6124
6125 2008-08-04  Ian Lance Taylor  <iant@google.com>
6126
6127         * symtab.h (Symbol::use_plt_offset): New function.
6128         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6129         * powerpc.cc (Relocate::relocate): Likewise.
6130         * sparc.cc (Relocate::relocate): Likewise.
6131         * x86_64.cc (Relocate::relocate): Likewise.
6132         * testsuite/weak_plt.sh: New test.
6133         * testsuite/weak_plt_main.cc: New test.
6134         * testsuite/weak_plt_shared.cc: New test.
6135         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6136         (check_PROGRAMS): Add weak_plt.
6137         (check_DATA): Add weak_plt_shared.so.
6138         (weak_plt_main_pic.o, weak_plt): New targets.
6139         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6140         * testsuite/Makefile.in: Rebuild.
6141
6142         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6143         gcctestdir/ld.
6144         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6145         * testsuite/Makefile.in: Rebuild.
6146
6147 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6148
6149         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6150         * Makefile.in: Regenerate.
6151         * po/POTFILES.in: Regenerate.
6152
6153 2008-07-29  Ian Lance Taylor  <iant@google.com>
6154
6155         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6156         symbols before other symbols.
6157         * testsuite/script_test_2.cc (test_addr): Declare.
6158         (test_addr_alias): Declare.
6159         (main): Check that test_addr and test_addr_alias have the right
6160         values.
6161         * testsuite/script_test_2.t: Define test_addr_alias and
6162         test_addr.
6163
6164 2008-07-24  Ian Lance Taylor  <iant@google.com>
6165
6166         PR 5990
6167         * descriptors.cc: New file.
6168         * descriptors.h: New file.
6169         * gold-threads.h (class Hold_optional_lock): New class.
6170         * fileread.cc: Include "descriptors.h".
6171         (File_read::~File_read): Release descriptor rather than closing
6172         it.
6173         (File_read::open) [file]: Call open_descriptor rather than open.
6174         Set is_descriptor_opened_.
6175         (File_read::open) [memory]: Assert that descriptor is not open.
6176         (File_read::reopen_descriptor): New function.
6177         (File_read::release): Release descriptor.
6178         (File_read::do_read): Make non-const.  Reopen descriptor.
6179         (File_read::read): Make non-const.
6180         (File_read::make_view): Reopen descriptor.
6181         (File_read::do_readv): Likewise.
6182         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6183         Update declarations.
6184         * layout.cc: Include "descriptors.h".
6185         (Layout::create_build_id): Use open_descriptor rather than open.
6186         * output.cc: Include "descriptors.h".
6187         (Output_file::open): Use open_descriptor rather than open.
6188         * archive.cc (Archive::const_iterator): Change Archive to be
6189         non-const.
6190         (Archive::begin, Archive::end): Make non-const.
6191         (Archive::count_members): Likewise.
6192         * archive.h (class Archive): Update declarations.
6193         * object.h (Object::read): Make non-const.
6194         * Makefile.am (CCFILES): Add descriptors.cc.
6195         (HFILES): Add descriptors.h.
6196         * Makefile.in: Rebuild.
6197
6198         PR 6716
6199         * gold.h: Always include <clocale>.  Add Solaris workarounds
6200         following code in binutils/sysdep.h.
6201
6202         PR 6048
6203         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6204         this->eh_frame_hdr_ is NULL before using it.
6205
6206         * dynobj.cc (Versions::Versions): Update comment.
6207
6208         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6209         the base version name.
6210
6211         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6212         array size plus one.
6213         (Stringpool_template::set_string_offsets): Subtract one from key
6214         before using it as an array index.
6215         (Stringpool_template::get_offset_with_length): Likewise.
6216         (Stringpool_template::write_to_buffer): Likewise.
6217         * stringpool.h (Stringpool_template::get_offset_from_key):
6218         Likewise.
6219
6220 2008-07-23  Ian Lance Taylor  <iant@google.com>
6221
6222         PR 6658
6223         * object.h (Merged_symbol_value::value): Do our best to handle a
6224         negative addend.
6225
6226         PR 6647
6227         * script.cc (Version_script_info::get_versions): Don't add empty
6228         version tag to return value.
6229         (Version_script_info::get_symbol_version_helper): Change return
6230         type to bool.  Add pversion parameter.  Change all callers.
6231         (script_register_vers_node): Don't require a non-NULL tag.
6232         * script.h (class Version_script_info): Update declarations.
6233         (Version_script_info::get_symbol_version): Change return type to
6234         bool.  Add version parameter.  Change all callers.
6235         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6236         handling.  Handle an empty version from a version script.
6237         (Symbol_table::define_special_symbol): Likewise.
6238         * testsuite/ver_test_10.script: New file.
6239         * testsuite/ver_test_10.sh: New file.
6240         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6241         (check_DATA): Add ver_test_10.syms.
6242         (ver_test_10.syms, ver_test_10.so): New target.
6243         * testsuite/Makefile.in: Rebuild.
6244
6245 2008-07-23  Simon Baldwin  <simonb@google.com>
6246
6247         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6248         to zero for undefined symbols from dynamic libraries.
6249
6250 2008-07-23  Ian Lance Taylor  <iant@google.com>
6251
6252         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6253         Change all callers.
6254         * symtab.h (class Symbol_table): Update declaration.
6255         * testsuite/ver_test_9.cc: New file.
6256         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6257         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6258         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6259         (ver_test_9.so, ver_test_9.o): New targets.
6260         * testsuite/Makefile.in: Rebuild.
6261
6262 2008-07-22  Ian Lance Taylor  <iant@google.com>
6263
6264         * options.h (class General_options): Define --check-sections.
6265         * layout.cc (Layout::set_segment_offsets): Handle
6266         --check-sections.
6267
6268         * options.h (class General_options): Define -n/--nmagic and
6269         -N/--omagic.
6270         * options.cc (General_options::finalize): For -n/--nmagic or
6271         -N/--omagic, set -static.
6272         * layout.cc (Layout::attach_allocated_section_to_segment): If
6273         -N/--omagic, don't put read-only and read-write sections in
6274         different segments.
6275         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6276         finding a read-only segment.
6277         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6278         don't set the minimum segment alignment to the common page size,
6279         and don't set the file offset to the address modulo the page size.
6280         * script-sections.cc (Script_sections::create_segments): If
6281         -n/--omagic, don't put read-only and read-write sections in
6282         different segments.
6283
6284         * cref.cc: New file.
6285         * cref.h: New file.
6286         * options.h (class General_options): Add --print-symbol-counts.
6287         * main.cc (main): Issue defined symbol report if requested.
6288         * archive.cc (Archive::interpret_header): Make into a const member
6289         function.
6290         (Archive::add_symbols): Call Input_objects::archive_start and
6291         archive_stop.
6292         (Archive::const_iterator): Define new class.
6293         (Archive::begin, Archive::end): New functions.
6294         (Archive::include_all_members): Rewrite to use iterator.
6295         (Archive::count_members): New function.
6296         * archive.h (class Archive): Update declarations.
6297         (Archive::filename): New function.
6298         * object.cc: Include "cref.h".
6299         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6300         (Sized_relobj::do_get_global_symbol_counts): New function.
6301         (Input_objects::add_object): Add object to cross-referencer.
6302         (Input_objects::archive_start): New function.
6303         (Input_objects::archive_stop): New function.
6304         (Input_objects::print_symbol_counts): New function.
6305         * object.h: Declare Cref and Archive.
6306         (Object::get_global_symbol_counts): New function.
6307         (Object::do_get_global_symbol_counts): New pure virtual function.
6308         (class Sized_relobj): Add defined_count_ field.  Update
6309         declarations.
6310         (class Input_objects): Add cref_ field.  Update constructor.
6311         Update declarations.
6312         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6313         defined_count_.
6314         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6315         symbol counts.
6316         (Sized_dynobj::do_get_global_symbol_counts): New function.
6317         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6318         defined_count_.  Update declarations.  Define Symbols typedef.
6319         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6320         parameter.  Change all callers.
6321         (Symbol_table::add_from_dynobj): Add sympointers and defined
6322         parameters.  Change all callers.
6323         * symtab.h (class Symbol_table): Update declarations.
6324         * Makefile.am (CCFILES): Add cref.cc.
6325         (HFILES): Add cref.h.
6326         * Makefile.in: Rebuild.
6327
6328 2008-07-22  Simon Baldwin  <simonb@google.com>
6329
6330         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6331         to zero when writing undefined symbols.
6332
6333 2008-07-22  Ian Lance Taylor  <iant@google.com>
6334
6335         * output.cc (Output_section::add_input_section): Don't try to
6336         merge empty merge sections.
6337
6338 2008-07-21  Craig Silverstein  <csilvers@google.com>
6339
6340         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6341         Include symbol version in error message.
6342
6343 2008-07-20  Chris Demetriou  <cgd@google.com>
6344
6345         * configure.ac (gold_cv_c_random_seed): New configured variable.
6346         (RANDOM_SEED_CFLAGS): New substituted variable.
6347         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6348         * configure: Rebuild.
6349         * Makefile.in: Likewise.
6350         * testsuite/Makefile.in: Likewise.
6351
6352 2008-07-18  Ian Lance Taylor  <iant@google.com>
6353
6354         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6355         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6356         * testsuite/ver_test_main.cc (main): Call t4.
6357         (t4, t4_2a): Define.
6358         * testsuite/ver_test_2.cc (t4_2): Define.
6359         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6360         * testsuite/ver_test_4.cc (t4_2a): Define.
6361         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6362         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6363
6364 2008-07-17  Ian Lance Taylor  <iant@google.com>
6365
6366         * dynobj.cc (Versions::add_def): If we give an error about a
6367         missing version, go ahead and create the version anyhow.
6368
6369 2008-07-10  Ian Lance Taylor  <iant@google.com>
6370
6371         Handle output sections with more than 0x7fffffff bytes.
6372         * object.h (class Relobj): Change map_to_output_ to
6373         output_sections_, and just keep a section pointer.  Change all
6374         uses.  Move comdat group support to Sized_relobj.
6375         (Relobj::is_section_specially_mapped): Remove.
6376         (Relobj::output_section): Remove poff parameter.  Change all
6377         callers.
6378         (Relobj::output_section_offset): New function.
6379         (Relobj::set_section_offset): Rewrite.
6380         (Relobj::map_to_output): Remove.
6381         (Relobj::output_sections): New function.
6382         (Relobj::do_output_section_offset): New pure virtual function.
6383         (Relobj::do_set_section_offset): Likewise.
6384         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6385         group support from Relobj.  Update declarations.
6386         (Sized_relobj::get_output_section_offset): New function.
6387         (Sized_relobj::do_output_section_offset): New function.
6388         (Sized_relobj::do_set_section_offset): New function.
6389         * object.cc (Relobj::output_section_address): Remove.
6390         (Sized_relobj::Sized_relobj): Initialize new fields.
6391         (Sized_relobj::include_section_group): Cast find_kept_object to
6392         Sized_relobj.
6393         (Sized_relobj::include_linkonce_section): Likewise.
6394         (Sized_relobj::do_layout): Use separate arrays for output section
6395         and output offset.
6396         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6397         output_sections.
6398         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6399         output_sections and section_offsets.
6400         (Sized_relobj::write_local_symbols): Likewise.
6401         (map_to_kept_section): Compute output address directly.
6402         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6403         output_sections and section_offsets.
6404         (Sized_relobj::write_sections): Likewise.
6405         (Sized_relobj::relocate_sections): Likewise.
6406         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6407         * output.h (class Output_reloc): Update declarations.  Change
6408         u2_.relobj to Sized_relobj*.
6409         (class Output_data_reloc): Change add functions to use
6410         Sized_relobj*.
6411         * output.cc (Output_reloc::Output_reloc): Change relobj to
6412         Sized_relobj*.
6413         (Output_reloc::local_section_offset): Change return type to
6414         Elf_Addr.  Use get_output_section_offset.
6415         (Output_reloc::get_address): Likewise.
6416         (Output_section::is_input_address_mapped): Don't call
6417         is_section_specially_mapped.
6418         (Output_section::output_offset): Likewise.
6419         (Output_section::output_address): Likewise.
6420         (Output_section::starting_output_address): Likewise.
6421         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6422         parameter to Sized_relobj*.
6423         (Copy_relocs::need_copy_reloc): Likewise.
6424         (Copy_relocs::save): Likewise.
6425         * copy-relocs.h (class Copy_relocs): Update declarations.
6426         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6427         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6428         * target-reloc.h (relocate_for_relocatable): Change
6429         offset_in_output_section type to Elf_Addr.  Change code that uses
6430         it as well.
6431         * layout.cc (Layout::layout): Always set *off.
6432         * mapfile.cc (Mapfile::print_input_section): Use
6433         output_section_offset.
6434         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6435         Sized_relobj*.
6436         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6437         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6438         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6439
6440 2008-07-03  Ian Lance Taylor  <iant@google.com>
6441
6442         * layout.cc (Layout::include_section): Do not discard unrecognized
6443         SHT_STRTAB sections.
6444
6445 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6446
6447         * script.cc (Lex::can_continue_name): Make '?' allowable in
6448         version-script names.
6449         * testsuite/version_script.map: Change glob pattern to use '?'
6450
6451 2008-06-30  Manish Singh  <yosh@gimp.org>
6452
6453         PR 6585
6454         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6455         Correct typo.
6456
6457 2008-06-30  Ian Lance Taylor  <iant@google.com>
6458
6459         PR 6660
6460         PR 6682
6461         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6462         versions]: Don't try to read the value in the contents, since we
6463         don't use it.  Use the template endianness when writing.
6464
6465 2008-06-25  Cary Coutant  <ccoutant@google.com>
6466
6467         * fileread.cc (File_read::make_view): Assert on zero-length view.
6468         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6469         symbol table when there are no symbols to read.
6470
6471 2008-06-23  Craig Silverstein  <csilvers@google.com>
6472
6473         * version.cc (version_string): Bump to 1.7
6474
6475 2008-06-18  Craig Silverstein  <csilvers@google.com>
6476
6477         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6478         constant 0xFFFF to type Valtype.
6479         (Powerpc_relocate_functions::rel16_ha): Likewise.
6480
6481 2008-06-17  Ian Lance Taylor  <iant@google.com>
6482
6483         * output.h (Output_section::Input_section): Initialize p2align_ to
6484         zero for Output_section_data constructors.
6485         (Output_section::Input_section::addralign): If not an input
6486         section, return the alignment of the Output_section_data.
6487         * testsuite/copy_test.cc: New file.
6488         * testsuite/copy_test_1.cc: New file.
6489         * testsuite/copy_test_2.cc: New file.
6490         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6491         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6492         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6493         (copy_test_1_pic.o, copy_test_1.so): New targets.
6494         (copy_test_2_pic.o, copy_test_2.so): New targets.
6495         * testsuite/Makefile.in: Rebuild.
6496
6497         * script-sections.cc (Script_sections::place_orphan): Initialize
6498         local variable exact.
6499
6500 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6501
6502         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6503
6504 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6505             David S. Miller  <davem@davemloft.net>
6506
6507         * powerpc.cc: New file.
6508         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6509         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6510         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6511         * Makefile.in: Rebuild.
6512
6513 2008-06-09  Ian Lance Taylor  <iant@google.com>
6514
6515         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6516         <exception>.
6517         (throwing, orig_terminate): New static variables.
6518         (terminate_handler): New static function.
6519         (t2): Set terminate handler.
6520
6521 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6522
6523         PR 6584
6524         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6525         alignment.
6526
6527 2008-05-30  Cary Coutant  <ccoutant@google.com>
6528
6529         * archive.cc (Archive::include_all_members) Correct to step
6530         over symbol table and extended name table in thin archives.
6531
6532 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6533
6534         PR 6407
6535         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6536         calculation.
6537
6538 2008-05-28  Caleb Howe  <cshowe@google.com>
6539
6540         * reduced_debug_output.cc: New file.
6541         * reduced_debug_output.h: New file.
6542         * options.h (class General_options): Add --strip-debug-non-line.
6543         * options.cc (General_options::finalize): Add strip_debug_non_line
6544         to the strip heirarchy.
6545         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6546         fields.
6547         * layout.cc: Include "reduced_debug_output.h".
6548         (Layout::Layout): Initialize new fields.
6549         (line_only_debug_sections): New static array.
6550         (is_lines_only_debug_sections): New static inline function.
6551         (Layout::include_section): Handle --strip-debug-non-line.
6552         (Layout::make_output_section): If --strip-debug-non-line, build
6553         new output sections for .debug_abbrev and .debug_info.
6554         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6555         gold.  Warn about possible overflow.
6556         (read_signed_LEB_128): Likewise.
6557         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6558         (read_signed_LEB_128): Declare.
6559         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6560         (HFILES): Add reduced_debug_output.h.
6561         * Makefile.in: Rebuild.
6562
6563 2008-05-21  Ian Lance Taylor  <iant@google.com>
6564
6565         * mapfile.cc: New file.
6566         * mapfile.h: New file.
6567         * options.h (class General_options): Add -M/--print-map and -Map.
6568         * options.cc (General_options::finalize): Make -M equivalent to
6569         -Map -.
6570         * main.cc: Include <cstdio> and "mapfile.h".
6571         (main): Open mapfile if requested.
6572         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6573         constructor.  Change caller.
6574         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6575         (queue_middle_tasks): Likewise.
6576         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6577         declarations.
6578         * archive.cc: Include "mapfile.h".
6579         (Archive::add_symbols): Add mapfile parameter.  Change all
6580         callers.  Pass mapfile, symbol, and reason to include_member.
6581         (Archive::include_all_members): Add mapfile parameter.  Change all
6582         callers.
6583         (Archive::include_member): Add mapfile, sym, and why parameters.
6584         Change all callers.  Report inclusion to map file.
6585         * archive.h: Include "fileread.h".
6586         (class Archive): Update declarations.
6587         (Archive::file): New const method.
6588         (class Add_archive_symbols): Add mapfile_ field.  Update
6589         constructor.  Change all callers.
6590         * readsyms.h (class Read_symbols): Likewise.
6591         (class Finish_group): Likewise.
6592         (class Read_script): Likewise.
6593         * common.cc: Include "mapfile.h".
6594         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6595         all callers.
6596         (Symbol_table::do_allocate_commons): Likewise.
6597         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6598         symbol allocation to mapfile.
6599         * common.h (class Allocate_commons_task): Add mapfile_ field.
6600         Update constructor.  Change all callers.
6601         * symtab.h (class Symbol_table): Update declarations.
6602         * layout.cc: Include "mapfile.h".
6603         (Layout_task_runner::run): Print information to mapfile.
6604         (Layout::create_gold_note): Change Output_data_fixed_space to
6605         Output_data_zero_fill.
6606         (Layout::create_build_id): Likewise.
6607         (Layout::print_to_mapfile): New function.
6608         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6609         constructor.  Change caller.
6610         (class Layout): Declare print_to_mapfile.
6611         * output.cc (Output_section::Input_section::print_to_mapfile): New
6612         function.
6613         (Output_section::add_input_section): If producing a map, always
6614         add to input_sections_ list.
6615         (Output_section::do_print_to_mapfile): New function.
6616         (Output_segment::print_sections_to_mapfile): New function.
6617         (Output_segment::print_section_list_to_mapfile): New function.
6618         * output.h: Include "mapfile.h".
6619         (Output_data::print_to_mapfile): New function.
6620         (Output_data::do_print_to_mapfile): New virtual function.
6621         (Output_segment_headers::do_print_to_mapfile): New function.
6622         (Output_file_header::do_print_to_mapfile): New function.
6623         (Output_data_const::do_print_to_mapfile): New function.
6624         (class Output_data_const_buffer): Add map_name_ field.  Update
6625         constructor.  Change all callers.  Add do_print_to_mapfile
6626         function.
6627         (class Output_data_fixed_space): Likewise.
6628         (class Output_data_space): Likewise.
6629         (class Output_data_zero_fill): New class.
6630         (Output_data_strtab::do_print_to_mapfile): New function.
6631         (Output_data_reloc_base::do_print_to_mapfile): New function.
6632         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6633         (Output_data_group::do_print_to_mapfile): New function.
6634         (Output_data_got::do_print_to_mapfile): New function.
6635         (Output_data_dynamic::do_print_to_mapfile): New function.
6636         (Output_symtab_xindex::do_print_to_mapfile): New function.
6637         (class Output_section): Declare do_print_to_mapflie.  Declare
6638         print_to_mapfile in Input_section.
6639         (class Output_segment): Declare new functions.
6640         * object.h (Sized_relobj::symbol_count): New function.
6641         * script-sections.cc
6642         (Output_section_element_dot_assignment::set_section_addresses):
6643         Change Output_data_fixed_space to Output_data_zero_fill.
6644         (Output_data_expression::do_print_to_mapfile): New function.
6645         * script.cc (read_input_script): Add mapfile parameter.  Change
6646         all callers.
6647         * script.h (read_input_script): Update declaration.
6648         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6649         (Eh_frame::do_print_to_mapfile): New function.
6650         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6651         (Output_merge_string::do_print_to_mapfile): New function.
6652         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6653         function.
6654         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6655         function.
6656         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6657         function.
6658         * Makefile.am (CCFILES): Add mapfile.cc.
6659         (HFILES): Add mapfile.h.
6660         * Makefile.in: Rebuild.
6661
6662 2008-05-19  Ian Lance Taylor  <iant@google.com>
6663
6664         * options.h (class General_options): Add -z relro.
6665         * layout.cc (Layout::Layout): Initialize relro_segment_.
6666         (Layout::add_output_section_data): Return the output section.
6667         (Layout::make_output_section): Rcognize relro sections and mark
6668         them appropriately.
6669         (Layout::attach_allocated_section_to_segment): Put relro sections
6670         in a PT_GNU_RELRO segment.
6671         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6672         section as relro.
6673         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6674         PT_TLS segments.
6675         (Layout::linkonce_mapping): Map d.rel.ro.local to
6676         .data.rel.ro.local.
6677         (Layout::output_section_name): Us .data.rel.ro.local for any
6678         section which begins with that.
6679         * layout.h (class Layout): Update add_output_section_data
6680         declaration.  Add relro_segment_ field.
6681         * output.cc (Output_section::Output_section): Initialize is_relro_
6682         and is_relro_local_ fields.
6683         (Output_segment::add_output_section): Group relro sections.
6684         (Output_segment::is_first_section_relro): New function.
6685         (Output_segment::maximum_alignment): If there is a relro section,
6686         align the segment to the common page size.
6687         (Output_segment::set_section_addresses): Track whether we are
6688         looking at relro sections.  If the last section is a relro
6689         section, align to the common page size.
6690         (Output_segment::set_section_list_addresses): Add in_relro
6691         parameter.  Change all callers.  Align to the page size when
6692         moving from relro to non-relro section.
6693         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6694         segment.
6695         * output.h (class Output_section): Add is_relro_ and
6696         is_relro_local_ fields.
6697         (Output_section::is_relro): New function.
6698         (Output_section::set_is_relro): New function.
6699         (Output_section::is_relro_local): New function.
6700         (Output_section::set_is_relro_local): New function.
6701         (class Output_segment): Update declarations.
6702         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6703         * sparc.cc (Target_sparc::got_section): Likewise.
6704         * x86_64.cc (Target_x86_64::got_section): Likewise.
6705         * testsuite/relro_test_main.cc: New file.
6706         * testsuite/relro_test.cc: New file.
6707         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6708         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6709         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6710         (relro_test.so, relro_test_pic.o): New targets.
6711         * testsuite/Makefile.in: Rebuild.
6712
6713 2008-05-16  Ian Lance Taylor  <iant@google.com>
6714
6715         * output.cc (Output_segment::add_output_section): Remove front
6716         parameter.
6717         * output.h (class Output_segment): Remove
6718         add_initial_output_section and overloaded add_output_section.
6719         Update declaration of remaining add_output_section.
6720         * layout.cc (Layout::create_interp): Call add_output_section
6721         rather than add_initial_output_section.
6722         (Layout::finish_dynamic_section): Likewise.
6723
6724         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6725         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6726         know the dynamic type.
6727         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6728         field.  Initialize it in constructor.
6729         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6730         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6731         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6732         reloc.
6733
6734         * output.cc (Output_reloc::get_address): Change return type to
6735         Elf_Addr.
6736         * output.h (class Output_reloc): Update get_address declaration.
6737         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6738         for section addresses.
6739
6740 2008-05-09  Ian Lance Taylor  <iant@google.com>
6741
6742         PR 6493
6743         * gold.cc (gold_nomem): Use return value of write.
6744
6745 2008-05-08  Ian Lance Taylor  <iant@google.com>
6746
6747         * symtab.c (Symbol::init_base_output_data): Add version
6748         parameter.  Change all callers.
6749         (Symbol::init_base_output_segment): Likewise.
6750         (Symbol::init_base_constant): Likewise.
6751         (Symbol::init_base_undefined): Likewise.
6752         (Sized_symbol::init_output_data): Likewise.
6753         (Sized_symbol::init_output_segment): Likewise.
6754         (Sized_symbol::init_constant): Likewise.
6755         (Sized_symbol::init_undefined): Likewise.
6756         (Symbol_table::do_define_in_output_data): If the new symbol has a
6757         version, mark it as the default.
6758         (Symbol_table::do_define_in_output_segment): Likewise.
6759         (Symbol_table::do_define_as_constant): Likewise.
6760         * symtab.h (class Symbol): Update declarations.
6761         (class Sized_symbol): Likewise.
6762         * resolve.cc (Symbol::override_version): New function.
6763         (Symbol::override_base): Call override_version.
6764         (Symbol::override_base_with_special): Likewise.
6765         * testsuite/ver_script_8.script: New file.
6766         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6767         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6768         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6769         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6770
6771 2008-05-06  Ian Lance Taylor  <iant@google.com>
6772
6773         PR 6049
6774         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6775         functions.
6776         (class General_options): Remove existing --undefined, and add
6777         --no-undefined instead.  Add new --undefined as synonym for -u.
6778         * archive.cc (Archive::add_symbols): Check whether symbol was
6779         named with -u.
6780         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6781         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6782         all uses.  Add IS_UNDEFINED.  Update declarations to split
6783         different versions of init_base.  Declare init_base_undefined.
6784         (Symbol::is_defined): Handle IS_UNDEFINED.
6785         (Symbol::is_undefined): Likewise.
6786         (Symbol::is_weak_undefined): Call is_undefined.
6787         (Symbol::is_absolute): Handle IS_CONSTANT.
6788         (class Sized_symbol): Update declarations to split different
6789         versions of init.  Declare init_undefined.
6790         (class Symbol_table): Declare new functions.
6791         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6792         Change all callers.
6793         (Symbol::init_base_output_data): Likewise.
6794         (Symbol::init_base_output_segment): Likewise.
6795         (Symbol::init_base_constant): Likewise.
6796         (Symbol::init_base_undefined): New function.
6797         (Sized_symbol::init_object): Rename from init.  Change all
6798         callers.
6799         (Sized_symbol::init_output_data): Likewise.
6800         (Sized_symbol::init_output_segment): Likewise.
6801         (Sized_symbol::init_constant): Likewise.
6802         (Sized_symbol::init_undefined): New function.
6803         (Symbol_table::add_undefined_symbols_from_command_line): New
6804         function.
6805         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6806         function.
6807         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6808         (Symbol::output_section): Likewise.
6809         (Symbol::set_output_section): Likewise.
6810         (Symbol_table::sized_finalize_symbol): Likewise.
6811         (Symbol_table::sized_write_globals): Likewise.
6812         * resolve.cc (Symbol_table::should_override): Likewise.
6813         (Symbol::override_base_with_special): Likewise.
6814
6815         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6816         symbol, change it to have default visibility.
6817         * testsuite/protected_1.cc: New file.
6818         * testsuite/protected_2.cc: New file.
6819         * testsuite/protected_3.cc: New file.
6820         * testsuite/protected_main_1.cc: New file.
6821         * testsuite/protected_main_2.cc: New file.
6822         * testsuite/protected_main_3.cc: New file.
6823         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6824         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6825         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6826         (protected_1.so): New target.
6827         (protected_1_pic.o, protected_2_pic.o): New targets.
6828         (protected_3_pic.o): New target.
6829         (check_PROGRAMS): Add protected_2.
6830         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6831         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6832         * testsuite/Makefile.in: Rebuild.
6833
6834         * options.h (DEFINE_var): Add set_user_set_##varname__.
6835         (DEFINE_bool_alias): New macro.
6836         (class General_options): Define -Bstatic using DEFINE_bool_alias
6837         rather than DEFINE_special.  Add --undefined as an alias for -z
6838         defs.
6839         * options.cc (General_options::parse_Bstatic): Remove.
6840
6841         * options.h (class General_options): Add --fatal-warnings.
6842         * main.cc (main): Implement --fatal-warnings.
6843         * errors.h (Errors::warning_count): New function.
6844
6845         * options.h (class General_options): Add -Bsymbolic-functions.
6846         * symtab.h (Symbol::is_preemptible): Check for
6847         -Bsymbolic-functions.
6848
6849 2008-05-05  Ian Lance Taylor  <iant@google.com>
6850
6851         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6852         as noVARNAME rather than no-VARNAME.
6853         (class General_options): Add option -z combreloc.
6854         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6855         get_address.
6856         (Output_reloc::sort_before) [SHT_REL]: New function.
6857         (Output_reloc::sort_before) [SHT_RELA]: New function.
6858         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6859         Sort_relocs_comparison.
6860         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6861         parameter.  Change all callers.
6862         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6863         sort_relocs parameter.  Change all callers.
6864         * output.cc (Output_reloc::get_address): New function, broken out
6865         of write_rel.
6866         (Output_reloc::write_rel): Call it.
6867         (Output_reloc::compare): New function.
6868         (Output_data_reloc_base::do_write): Optionally sort relocs.
6869
6870         * configure.ac: If targ_extra_obj is set, link it in.
6871         * configure.tgt: Initialize all variables.
6872         (x86_64*): Set targ_extra_obj and targ_extra_size.
6873         * configure: Rebuild.
6874
6875         * object.cc (Sized_relobj::include_section_group): Adjust section
6876         indexes read from group data.  Build vector to pass to
6877         layout_group.
6878         * layout.cc (Layout::layout_group): Add flags and shndxes
6879         parameters.  Remove contents parameter.  Change caller.  Update
6880         explicit instantiations.
6881         * layout.h (class Layout): Update layout_group declaration.
6882         * output.cc (Output_data_group::Output_data_group): Add flags and
6883         input_shndxes parameters.  Remove contents parameter.  Change
6884         caller.
6885         (Output_data_group::do_write): Change input_sections_ to
6886         input_shndxes_.
6887         * output.h (class Output_data_group): Update constructor
6888         declaration.  Rename input_sections_ to input_shndxes_.
6889         * testsuite/many_sections_test.cc: Add template.
6890
6891 2008-04-30  Cary Coutant  <ccoutant@google.com>
6892
6893         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6894
6895         * layout.cc (Layout::include_section): Refactored check for debug
6896         info section.
6897         (Layout::add_comdat): Add new parameters.  Change type
6898         of signature parameter.  Add object and shndx to signatures table.
6899         (Layout::find_kept_object): New function.
6900         * layout.h: Include <cstring>.
6901         (Layout::is_debug_info_section): New function.
6902         (Layout::add_comdat): Add new parameters.
6903         (Layout::find_kept_object): New function.
6904         (Layout::Kept_section): New struct.
6905         (Layout::Signatures): Change type of map range.
6906         * object.cc (Relobj::output_section_address): New function.
6907         (Sized_relobj::include_section_group): Add new parameters.  Change
6908         calls to Layout::add_comdat.  Change to build table of kept comdat
6909         groups and table mapping discarded sections to kept sections.
6910         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6911         (Sized_relobj::do_layout): Change calls to include_section_group and
6912         include_linkonce_section.
6913         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6914         value to zero when section is discarded.
6915         (Sized_relobj::map_to_kept_section): New function.
6916         * object.h (Relobj::output_section_address): New function.
6917         (Relobj::Comdat_group): New type.
6918         (Relobj::find_comdat_group): New function.
6919         (Relobj::Comdat_group_table): New type.
6920         (Relobj::Kept_comdat_section): New type.
6921         (Relobj::Kept_comdat_section_table): New type.
6922         (Relobj::add_comdat_group): New function.
6923         (Relobj::set_kept_comdat_section): New function.
6924         (Relobj::get_kept_comdat_section): New function.
6925         (Relobj::comdat_groups_): New field.
6926         (Relobj::kept_comdat_sections_): New field.
6927         (Symbol_value::input_value): Update comment.
6928         (Sized_relobj::map_to_kept_section) New function.
6929         (Sized_relobj::include_linkonce_section): Add new parameter.
6930         * target-reloc.h (Comdat_behavior): New type.
6931         (get_comdat_behavior): New function.
6932         (relocate_section): Add code to map a discarded section to the
6933         corresponding kept section when applying a relocation.
6934
6935 2008-04-30  Craig Silverstein  <csilvers@google.com>
6936
6937         * dwarf_reader.cc (next_generation_count): New static var.
6938         (Addr2line_cache_entry): New struct.
6939         (addr2line_cache): New static var.
6940         (Dwarf_line_info::one_addr2line): Added caching.
6941         (Dwarf_line_info::clear_addr2line_cache): New function.
6942         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6943         cache-size parameter.
6944         (Dwarf_line_info::one_addr2line_cache): New function.
6945         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6946         new cache-size argument to one_addr2line(), and clear cache.
6947
6948 2008-04-28  Cary Coutant  <ccoutant@google.com>
6949
6950         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6951         R_386_PC8 relocations.
6952
6953 2008-04-23  Ian Lance Taylor  <iant@google.com>
6954
6955         * object.cc (Sized_relobj::include_section_group): Check for
6956         invalid section group.
6957
6958         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6959         header size.
6960
6961         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6962         than read for file header.
6963         * archive.cc (Archive::include_member): Likewise.
6964
6965 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6966
6967         * aclocal.m4: Regenerate.
6968         * configure: Regenerate.
6969
6970 2008-04-19  Ian Lance Taylor  <iant@google.com>
6971
6972         * version.cc (version_string): Bump to 1.6.
6973
6974         * testsuite/Makefile.am (many_sections_r_test): New target.
6975         (many_sections_r_test_SOURCES): Remove.
6976         (many_sections_r_test_DEPENDENCIES): Remove.
6977         (many_sections_r_test_LDFLAGS): Remove.
6978         (many_sections_r_test_LDADD): Remove.
6979
6980         * object.cc (Sized_relobj::do_add_symbols): Always pass
6981         local_symbol_count_ to add_from_relobj.
6982
6983         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6984         every thousand variables.
6985         * testsuite/Makefile.in: Rebuild.
6986
6987         * object.cc (Xindex::initialize_symtab_xindex): New function.
6988         (Xindex::read_symtab_xindex): New function.
6989         (Xindex::sym_xindex_to_shndx): New function.
6990         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6991         available.
6992         (Sized_relobj::do_initialize_xindex): New function.
6993         (Sized_relobj::do_read_symbols): Adjust section links.
6994         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6995         parameter.  Change all callers.
6996         (Sized_relobj::include_section_group): Adjust section links and
6997         symbol section indexes.
6998         (Sized_relobj::do_layout): Adjust section links.
6999         (Sized_relobj::do_count_local_symbols): Adjust section links and
7000         symbol section indexes.
7001         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7002         ordinary and special symbols.
7003         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7004         dynsym_xindex parameters.  Change all callers.  Adjust section
7005         links.  Use SHN_XINDEX when needed.
7006         (Sized_relobj::get_symbol_location_info): Adjust section links.
7007         Don't get fooled by special symbols.
7008         * object.h (class Xindex): Define.
7009         (class Object): Add xindex_ parameter.  Declare virtual functoin
7010         do_initialize_xindex.
7011         (Object::adjust_sym_shndx): New function.
7012         (Object::set_xindex): New protected function.
7013         (class Symbol_value): Add is_ordinary_shndx_ field.
7014         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7015         (Symbol_value::value): Assert ordinary section.
7016         (Symbol_value::initialize_input_to_output_map): Likewise.
7017         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7018         Change all callers.
7019         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7020         all callers.
7021         (class Sized_relobj): Update declarations.
7022         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7023         parameter.  Change all callers.
7024         (Sized_relobj::adjust_shndx): New function.
7025         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7026         field.
7027         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7028         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7029         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7030         (Sized_dynobj::read_dynsym_section): Adjust section links.
7031         (Sized_dynobj::read_dynamic): Likewise.
7032         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7033         section links.
7034         (Sized_dynobj::do_initialize_xindex): New function.
7035         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7036         do_initialize_xindex.
7037         (Sized_dynobj::adjust_shndx): New function.
7038         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7039         dynsym_xindex_ fields.
7040         (Layout::finalize): Add a call to set_section_indexes before
7041         creating the symtab sections.
7042         (Layout::set_section_indexes): Don't do anything if the section
7043         already has a section index.
7044         (Layout::create_symtab_sections): Add shnum parameter.  Change
7045         caller.  Create .symtab_shndx section if needed.
7046         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7047         caller.
7048         (Layout::allocated_output_section_count): New function.
7049         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7050         needed.
7051         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7052         fields.  Update declarations.
7053         (Layout::symtab_xindex): New function.
7054         (Layout::dynsym_xindex): New function.
7055         (class Write_symbols_task): Add layout_ field.
7056         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7057         Change caller.
7058         * output.cc (Output_section_headers::Output_section_headers): Add
7059         shstrtab_section parameter.  Change all callers.
7060         (Output_section_headers::do_sized_write): Store overflow values
7061         for section count and section string table section index in
7062         section header zero.
7063         (Output_file_header::do_sized_write): Check for overflow of
7064         section count and section string table section index.
7065         (Output_symtab_xindex::do_write): New function.
7066         (Output_symtab_xindex::endian_do_write): New function.
7067         * output.h (class Output_section_headers): Add shstrtab_section_.
7068         Update declarations.
7069         (class Output_symtab_xindex): Define.
7070         (Output_section::has_out_shndx): New function.
7071         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7072         field.
7073         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7074         Change all callers.
7075         (Sized_symbol::init): Likewise.
7076         (Symbol::output_section): Check for ordinary symbol.
7077         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7078         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7079         callers.
7080         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7081         Change all callers.  Simplify handling of symbols from sections
7082         not included in the link.
7083         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7084         distinction.
7085         (Weak_alias_sorter::operator()): Assert that symbols are
7086         ordinary.
7087         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7088         distinction.
7089         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7090         parameters.  Change all callers.
7091         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7092         symbol distinction.  Use SHN_XINDEX when needed.
7093         (Symbol_table::write_section_symbol): Add symtab_xindex
7094         parameter.  Change all callers.
7095         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7096         SHN_XINDEX when needed.
7097         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7098         declarations.
7099         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7100         (Symbol::is_defined): Check is_ordinary.
7101         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7102         (Symbol::is_absolute, Symbol::is_common): Likewise.
7103         (class Sized_symbol): Update declarations.
7104         (class Symbol_table): Update declarations.
7105         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7106         parameters.  Change all callers.
7107         (Sized_symbol::override): Likewise.
7108         (Symbol_table::override): Likewise.
7109         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7110         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7111         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7112         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7113         to be in an ordinary section.
7114         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7115         object and is_ordinary parameters.  Change all callers.
7116         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7117         Change all callers.  Don't add undefined or non-ordinary symbols
7118         to reloc_map_.
7119         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7120         Change all callers.
7121         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7122         declarations.
7123         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7124         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7125         (Sized_relobj::relocate_sections): Likewise.
7126         * target-reloc.h (scan_relocs): Adjust section symbol index.
7127         (scan_relocatable_relocs): Likewise.
7128         * i386.cc (Scan::local): Check for ordinary symbols.
7129         * sparc.cc (Scan::local): Likewise.
7130         * x86_64.cc (Scan::local): Likewise.
7131         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7132         to symbol_section_and_value.
7133         * testsuite/many_sections_test.cc: New file.
7134         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7135         (check_PROGRAMS): Add many_sections_test.
7136         (many_sections_test_SOURCES): Define.
7137         (many_sections_test_DEPENDENCIES): Define.
7138         (many_sections_test_LDFLAGS): Define.
7139         (BUILT_SOURCES): Add many_sections_define.h.
7140         (many_sections_define.h): New target.
7141         (BUILT_SOURCES): Add many_sections_check.h.
7142         (many_sections_check.h): New target.
7143         (check_PROGRAMS): Add many_sections_r_test.
7144         (many_sections_r_test_SOURCES): Define.
7145         (many_sections_r_test_DEPENDENCIES): Define.
7146         (many_sections_r_test_LDFLAGS): Define.
7147         (many_sections_r_test_LDADD): Define.
7148         (many_sections_r_test.o): New target.
7149         * testsuite/Makefile.in: Rebuild.
7150
7151 2008-04-17  Cary Coutant  <ccoutant@google.com>
7152
7153         * errors.cc (Errors::info): New function.
7154         (gold_info): New function.
7155         * errors.h (Errors::info): New function.
7156         * gold.h (gold_info): New function.
7157         * object.cc (Input_objects::add_object): Print trace output.
7158         * options.cc (options::parse_set): New function.
7159         (General_options::parse_wrap): Deleted.
7160         (General_options::General_options): Deleted initializer.
7161         * options.h (options::String_set): New typedef.
7162         (options::parse_set): New function.
7163         (DEFINE_set): New macro.
7164         (General_options::wrap): Changed to use DEFINE_set. Changed
7165         callers of any_wrap_symbols and is_wrap_symbol.
7166         (General_options::trace, General_options::trace_symbol):
7167         New options.
7168         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7169         (General_options::wrap_symbols_): Deleted.
7170         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7171
7172 2008-04-17  David S. Miller  <davem@davemloft.net>
7173
7174         * options.cc (General_options::parse_V): New function.
7175         * options.h: Add entries for -V and -Qy.
7176
7177 2008-04-17  Ian Lance Taylor  <iant@google.com>
7178
7179         * common.cc (Symbol_table::allocate_commons): Remove options
7180         parameter.  Change caller.
7181         (Symbol_table::do_allocate_commons): Remove options parameter.
7182         Change caller.  Just call do_allocate_commons_list twice.
7183         (Symbol_table::do_allocate_commons_list): New function, broken out
7184         of do_allocate_commons.
7185         * common.h (class Allocate_commons_task): Remove options_ field.
7186         Update constructor.
7187         * symtab.cc (Symbol_table::Symbol_table): Initialize
7188         tls_commons_.
7189         (Symbol_table::add_from_object): Put TLS common symbols on
7190         tls_commons_ list.
7191         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7192         which are IN_OUTPUT_DATA.
7193         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7194         allocate_commons and do_allocate_commons declarations.  Declare
7195         do_allocate_commons_list.
7196         * gold.cc (queue_middle_tasks): Update creation of
7197         Allocate_commons_task to not pass options.
7198         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7199         (TLS_TEST_C_FLAGS): New variable.
7200         (tls_test_c_pic.o): New target.
7201         (tls_test_shared.so): Link in tls_test_c_pic.o.
7202         (tls_test_c_pic_ie.o): New target.
7203         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7204         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7205         (tls_test_c.o): New target.
7206         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7207         (tls_pic_test_LDADD): Likewise.
7208         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7209         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7210         (tls_test_c_gnu2.o): New target.
7211         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7212         tls_test_c_gnu2.o.
7213         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7214         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7215         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7216         * testsuite/tls_test.cc: Include "config.h".
7217         (t_last): Call t11_last.
7218         * testsuite/tls_test.h (t11, t11_last): Declare.
7219         * testsuite/tls_test_c.c: New file.
7220         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7221         * configure.ac: Check for OpenMP support.
7222         * configure, config.in, Makefile.in: Rebuild.
7223         * testsuite/Makefile.in: Rebuild.
7224
7225 2008-04-16  Cary Coutant  <ccoutant@google.com>
7226
7227         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7228         (Target_i386::tls_base_symbol_defined_): New field.
7229         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7230         (Target_i386::Scan::global): Likewise.
7231         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7232         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7233         (Target_x86_64::tls_base_symbol_defined_): New field.
7234         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7235         (Target_x86_64::Scan::global): Likewise.
7236
7237 2008-04-16  Cary Coutant  <ccoutant@google.com>
7238
7239         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7240         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7241         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7242         building shared libraries.
7243         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7244         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7245         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7246         * testsuite/Makefile.in: Rebuild.
7247         * testsuite/weak_undef.h: New file.
7248         * testsuite/weak_undef_file1.cc: Add extra test cases.
7249         * testsuite/weak_undef_file2.cc: Likewise.
7250         * testsuite/weak_undef_test.cc: Likewise.
7251
7252 2008-04-16  David S. Miller  <davem@davemloft.net>
7253
7254         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7255         Add issued_non_pic_error_ field.  Declare check_non_pic.
7256         (Target_sparc::Scan::check_non_pic): New function.
7257         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7258         (Target_sparc::Scan::global): Likewise.
7259
7260         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7261         * configure: Rebuild.
7262
7263         * options.h (DEFINE_enable): New macro.
7264         (new_dtags): New enable option.
7265         (initfirst, interpose, loadfltr, nodefaultlib,
7266         nodelete, nodlopen, nodump): New -z options.
7267         * layout.cc (Layout:finish_dynamic_section): If new
7268         dtags enabled, emit DT_RUNPATH.  Also, emit a
7269         DT_FLAGS_1 containing any specified -z flags.
7270
7271 2008-04-16  Ian Lance Taylor  <iant@google.com>
7272
7273         * copy-relocs.cc: New file.
7274         * copy-relocs.h: New file.
7275         * reloc.cc: Remove Copy_relocs code.
7276         * reloc.h: Likewise.
7277         * reloc-types.h (struct Reloc_types) [both versions]: Add
7278         get_reloc_addend_noerror.
7279         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7280         variants of add_global which take an addend which must be zero.
7281         * i386.cc: Include "copy-relocs.h".
7282         (class Target_i386): Change type of copy_relocs_ to variable,
7283         update initializer.
7284         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7285         Change all callers.
7286         (Target_i386::do_finalize_sections): Change handling of
7287         copy_relocs_.
7288         * sparc.cc: Include "copy-relocs.h".
7289         (class Target_sparc): Change type of copy_relocs_ to variable,
7290         update initializer.
7291         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7292         Change all callers.
7293         (Target_sparc::do_finalize_sections): Change handling of
7294         copy_relocs_.
7295         * x86_64.cc: Include "copy-relocs.h".
7296         (class Target_x86_64): Change type of copy_relocs_ to variable,
7297         update initializer.
7298         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7299         class.  Change all callers.
7300         (Target_x86_64::do_finalize_sections): Change handling of
7301         copy_relocs_.
7302         * Makefile.am (CCFILES): Add copy-relocs.cc.
7303         (HFILES): Add copy-relocs.h.
7304
7305         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7306
7307         * testsuite/script_test_4.sh: Permit leading zeroes.
7308
7309 2008-04-15  Ian Lance Taylor  <iant@google.com>
7310
7311         * script-sections.cc (Script_sections::create_segments): Use
7312         header_size_adjustment even when there is enough room for the
7313         headers.
7314         * testsuite/script_test_4.sh: New file.
7315         * testsuite/script_test_4.t: New file.
7316         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7317         (check_DATA): Add script_test_4.stdout.
7318         (MOSTLYCLEANFILES): Likewise.
7319         (script_test_4): New target.
7320         (script_test_4.stdout): New target.
7321         * testsuite/Makefile.in: Rebuild.
7322
7323         * sparc.cc: Add definitions for Output_data_plt_sparc class
7324         constants.
7325
7326 2008-04-14  David S. Miller  <davem@davemloft.net>
7327
7328         * sparc.cc: New file.
7329         * Makefile.am (TARGETSOURCES): Add sparc.cc
7330         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7331         * configure.tgt: Document targ_extra_size and
7332         targ_extra_big_endian.  Add entries for sparc-* and
7333         sparc64-*.
7334         * configure.ac: Handle targ_extra_size and
7335         targ_extra_big_endian.
7336         * Makefile.in: Rebuild.
7337         * configure: Likewise.
7338         * po/POTFILES.in: Likewise.
7339         * po/gold.pot: Likewise.
7340
7341 2008-04-14  Ian Lance Taylor  <iant@google.com>
7342
7343         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7344         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7345         in the name/type/flags to section mapping.  Don't call
7346         allocate_output_section.
7347         (Layout::choose_output_section): Change parameter from adjust_name
7348         to is_input_section.  Don't permit input sections after sections
7349         are attached to segments.  Don't call allocate_output_section.
7350         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7351         not write_enable_output_section.
7352         (Layout::make_output_section): Don't push to
7353         unattached_section_list_ nor call attach_to_segment.  Call
7354         attach_section_to_segment if sections are attached.
7355         (Layout::attach_sections_to_segments): New function.
7356         (Layout::attach_section_to_segment): New function.
7357         (Layout::attach_allocated_section_to_segment): Rename from
7358         attach_to_segment.  Remove flags parameter.
7359         (Layout::allocate_output_section): Remove function.
7360         (Layout::write_enable_output_section): Remove function.
7361         * layout.h (class Layout): Update for above changes.  Add new
7362         field sections_are_attached_.
7363         * output.h (Output_section::update_flags_for_input_section): New
7364         function.
7365         * output.cc (Output_section::add_input_section): Call
7366         update_flags_for_input_section.
7367         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7368
7369 2008-04-11  Cary Coutant  <ccoutant@google.com>
7370
7371         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7372         thought unnecessary.
7373         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7374
7375 2008-04-11  Ian Lance Taylor  <iant@google.com>
7376
7377         * output.h (class Output_section_data): Remove inline definition
7378         of set_addralign.
7379         * output.cc (Output_section_data::set_addralign): New function.
7380
7381 2008-04-11  Cary Coutant  <ccoutant@google.com>
7382
7383         Add support for TLS descriptors for i386 and x86_64.
7384         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7385         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7386         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7387         GOT_TYPE_TLS_DESC.
7388         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7389         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7390         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7391         relocations.
7392         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7393         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7394         Fix problem with initial-exec relocations.
7395         (Target_i386::Relocate::relocate_tls): Likewise.
7396         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7397         relaxation.
7398         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7399         support for section-plus-offset dynamic table entries.
7400         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7401         (Output_data_dynamic::Dynamic_entry): Add support for
7402         section-plus-offset dynamic table entries.
7403         (Output_data_dynamic::Classification): Likewise.
7404         (Output_data_dynamic::classification_): Renamed offset_.
7405         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7406         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7407         (Target_x86_64::make_plt_section): New function.
7408         (Target_x86_64::reserve_tlsdesc_entries): New function.
7409         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7410         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7411         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7412         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7413         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7414         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7415         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7416         add extra PLT entry for TLS descriptors.
7417         (Output_data_plt_x86_64::got_): New field.
7418         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7419         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7420         fields.
7421         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7422         descriptors.
7423         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7424         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7425         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7426         R_386_TLS_DESC_CALL relocations.
7427         (Target_x86_64::Scan::global): Likewise.
7428         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7429         for TLS descriptors.
7430         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7431         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7432         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7433         GD-to-IE relaxation.
7434         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7435         and TLS_DESCRIPTORS.
7436         * Makefile.in: Rebuild.
7437         * configure: Rebuild.
7438         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7439         (tls_test_shared2.so): New target.
7440         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7441         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7442         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7443         (tls_shared_gd_to_ie_test_LDADD): New variable.
7444         (tls_shared_gnu2_gd_to_ie_test): New target.
7445         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7446         New targets.
7447         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7448         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7449         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7450         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7451         (tls_shared_gnu2_test): New target.
7452         (tls_test_gnu2_shared.so): New target.
7453         (tls_shared_gnu2_test_SOURCES): New variable.
7454         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7455         (tls_shared_gnu2_test_LDFLAGS): New variable.
7456         (tls_shared_gnu2_test_LDADD): New variable.
7457         * testsuite/Makefile.in: Rebuild.
7458         * testsuite/Makefile.
7459
7460 2008-04-11  Ian Lance Taylor  <iant@google.com>
7461
7462         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7463         justsyms.t.
7464         * testsuite/Makefile.in: Rebuild.
7465
7466         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7467         long.
7468         * testsuite/script_test_2.cc (main): Adjust test.
7469
7470 2008-04-11  David S. Miller  <davem@davemloft.net>
7471             Ian Lance Taylor  <iant@google.com>
7472
7473         * options.h (General_options): Add entries for '-Y' and
7474         '-relax'.
7475         * options.cc (General_options:finalize): If -Y was used, add those
7476         entries to the library path instead of the default "/lib" and
7477         "/usr/lib".
7478
7479 2008-04-11  David S. Miller  <davem@davemloft.net>
7480
7481         * testsuite/justsyms.t: Start at 0x100.
7482         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7483         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7484         long.
7485         * testsuite/script_test_2.cc: Adjust string and section length
7486         checks.
7487
7488 2008-04-09  Ian Lance Taylor  <iant@google.com>
7489
7490         PR gold/5996
7491         * script-sections.cc (Sections_element::allocate_to_segment): Add
7492         orphan parameter.
7493         (Output_section_definition::allocate_to_segment): Likewise.
7494         (Orphan_output_section::allocate_to_segment): Likewise.
7495         (Script_sections::attach_sections_using_phdrs_clause): Don't
7496         propagate non-PT_LOAD segments to orphan sections.
7497         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7498         readelf rather than objdump.
7499         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7500         .interp section and PT_INTERP segment are the same size.
7501         * testsuite/Makefile.in: Rebuild.
7502
7503         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7504         aliases for symbols defined in the same object.
7505         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7506         (weak_alias_test_SOURCES): New variable.
7507         (weak_alias_test_DEPENDENCIES): New variable.
7508         (weak_alias_test_LDFLAGS): New variable.
7509         (weak_alias_test_LDADD): New variable.
7510         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7511         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7512         (weak_alias_test_3.o): New target.
7513         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7514         * testsuite/weak_alias_test_main.cc: New file.
7515         * testsuite/weak_alias_test_1.cc: New file.
7516         * testsuite/weak_alias_test_2.cc: New file.
7517         * testsuite/weak_alias_test_3.cc: New file.
7518
7519 2008-04-08  Ian Lance Taylor  <iant@google.com>
7520
7521         * options.h (class General_options): Add --noinhibit-exec option.
7522         * main.cc (main): Check --noinhibit-exec.
7523
7524         * options.h (class General_options): Define --wrap as a special
7525         option.  Add wrap_symbols_ field.
7526         (General_options::any_wrap_symbols): New function.
7527         (General_options::is_wrap_symbol): New function.
7528         * options.cc (General_options::parse_wrap): New function.
7529         (General_options::General_options): Initialize wrap_symbols_.
7530         * symtab.cc (Symbol_table::wrap_symbol): New function.
7531         (Symbol_table::add_from_object): Handle --wrap.
7532         * symtab.h (class Symbol_table): Declare wrap_symbol.
7533         * target.h (Target::wrap_char): New function.
7534         (Target::Target_info): Add wrap_char field.
7535         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7536         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7537         * testsuite/testfile.cc (Target_test::test_target_info):
7538         Likewise.
7539
7540         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7541         there is one.
7542
7543         * layout.h (class Layout): Add added_eh_frame_data_ field.
7544         * layout.cc (Layout::Layout): Initialize new field.
7545         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7546         output section until we find a section we merged successfully.
7547         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7548         that the size be non-zero.
7549
7550         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7551         qualifier.
7552
7553 2008-04-08  Craig Silverstein  <csilvers@google.com>
7554
7555         * configure.ac: Export new conditional variable HAVE_ZLIB.
7556         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7557         on HAVE_ZLIB.
7558         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7559         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7560
7561 2008-04-07  Ian Lance Taylor  <iant@google.com>
7562
7563         * version.cc (version_string): Set to "1.5".
7564
7565         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7566         Add issued_non_pic_error_ field.  Declare check_non_pic.
7567         (Target_x86_64::Scan::check_non_pic): New function.
7568         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7569         (Target_x86_64::Scan::global): Likewise.
7570
7571         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7572         addend parameter.  Change caller.  Handle merge sections.
7573         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7574         Address to Addend.  Don't add in the result of
7575         local_section_offset, pass down the addend and use the returned
7576         value.
7577         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7578         Update declarations of local_section_offset and symbol_value.
7579         * testsuite/two_file_test_1.cc (t18): New function.
7580         * testsuite/two_file_test_2.cc (f18): New function.
7581         * testsuite/two_file_test_main.cc (main): Call t18.
7582         * testsuite/two_file_test.h (t18, f18): Declare.
7583
7584         * configure.ac: Don't test for objdump, c++filt, or readelf.
7585         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7586         conditionals.
7587         (TEST_READELF): New variable.
7588         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7589         (check_PROGRAMS): Add two_file_strip_test.
7590         (two_file_strip_test): New target.
7591         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7592         (two_file_same_shared_strip_test_SOURCES): New variable.
7593         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7594         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7595         (two_file_same_shared_strip_test_LDADD): New variable.
7596         (two_file_shared_strip.so): New target.
7597         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7598         (ver_test_5.syms, ver_test_7.syms): Likewise.
7599         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7600         (strip_test_3.stdout): Use TEST_OBJDUMP.
7601         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7602
7603 2008-04-04  Cary Coutant  <ccoutant@google.com>
7604
7605         * symtab.h (Symbol::is_weak_undefined): New function.
7606         (Symbol::is_strong_undefined): New function.
7607         (Symbol::is_absolute): New function.
7608         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7609         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7610         absolute symbols.
7611         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7612         (weak_undef_test): New target.
7613         * testsuite/Makefile.in: Rebuild.
7614         * testsuite/weak_undef_file1.cc: New file.
7615         * testsuite/weak_undef_file2.cc: New file.
7616         * testsuite/weak_undef_test.cc: New file.
7617
7618 2008-04-03  Craig Silverstein  <csilvers@google.com>
7619
7620         * compressed_output.h (class Output_compressed_section): Use
7621         unsigned buffer.
7622         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7623         add zlib header.
7624         (zlib_compressed_suffix): Removed.
7625         (Output_compressed_section::set_final_data_size): Use unsigned
7626         buffers.
7627         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7628         Fix linker invocation.
7629         (flagstest_o_specialfile_and_compress_debug_sections):
7630         Likewise.
7631         * testsuite/Makefile.in: Regenerated.
7632
7633 2008-04-02  David S. Miller  <davem@davemloft.net>
7634
7635         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7636         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7637
7638 2008-04-02  Craig Silverstein  <csilvers@google.com>
7639
7640         * TODO: New file.
7641
7642 2008-04-02  Ian Lance Taylor  <iant@google.com>
7643
7644         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7645         parameters.  Update for new key type to views_.  Change all
7646         callers.
7647         (File_read::read): Adjust for byteshift in returned view.
7648         (File_read::add_view): New function, broken out of
7649         find_and_make_view.
7650         (File_read::make_view): New function, broken out of
7651         find_and_make_view.
7652         (File_read::find_or_make_view): Add offset and aligned
7653         parameters.  Rewrite accordingly.  Change all callers.
7654         (File_read::get_view): Add offset and aligned parameters.  Adjust
7655         for byteshift in return value.
7656         (File_read::get_lasting_view): Likewise.
7657         * fileread.h (class File_read): Update declarations.
7658         (class File_read::View): Add byteshift_ field.  Add byteshift to
7659         constructor.  Add byteshift method.
7660         * archive.h (Archive::clear_uncached_views): New function.
7661         (Archive::get_view): Add aligned parameter.  Change all callers.
7662         * object.h (Object::get_view): Add aligned parameter.  Change all
7663         callers.
7664         (Object::get_lasting_view): Likewise.
7665
7666         * fileread.cc (File_read::release): Don't call clear_views if
7667         there are multiple objects.
7668         * fileread.h (File_read::clear_uncached_views): New function.
7669         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7670         on the archive.
7671
7672 2008-03-31  Cary Coutant  <ccoutant@google.com>
7673
7674         Add thin archive support.
7675         * archive.cc (Archive::armagt): New const.
7676         (Archive::setup): Remove task parameter and calls to unlock.
7677         (Archive::unlock_nested_archives): New function.
7678         (Archive::read_header): Add nested_off parameter. Change
7679         all callers.
7680         (Archive::interpret_header): Likewise.
7681         (Archive::include_all_members): Change to handle thin
7682         archives.
7683         (Archive::include_member): Likewise.
7684         * archive.h (Archive::Archive): Add new parameters and
7685         initializers.
7686         (Archive::armagt): New const.
7687         (Archive::setup): Remove task parameter.
7688         (Archive::unlock_nested_archives): New function.
7689         (Archive::read_header): Add nested_off parameter.
7690         (Archive::interpret_header): Likewise.
7691         (Archive::Nested_archive_table): New typedef.
7692         (Archive::is_thin_archive_): New field.
7693         (Archive::nested_archives_): New field.
7694         (Archive::options_): New field.
7695         (Archive::dirpath_): New field.
7696         (Archive::task_): New field.
7697         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7698         for thin archives.  Pass additional parameters to
7699         Archive::Archive.  Unlock the archive file after calling
7700         Archive::setup.
7701
7702 2008-03-29  Ian Lance Taylor  <iant@google.com>
7703
7704         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7705         version symbol to be local.
7706         * testsuite/ver_test_4.sh: New file.
7707         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7708         (check_DATA): Add ver_test_4.syms.
7709         (ver_test_4.syms): New target.
7710         * testsuite/Makefile.in: Rebuild.
7711
7712         * output.cc
7713         (Output_section::Input_section_sort_entry::has_priority): New
7714         function.
7715         (Output_section::Input_section_sort_entry::match_file_name): New
7716         function.
7717         (Output_section::Input_section_sort_entry::match_section_name):
7718         Remove.
7719         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7720         Remove.
7721         (Output_section::Input_section_sort_entry::match_section_file):
7722         Remove.
7723         (Output_section::Input_section_sort_compare::operator()): Rewrite
7724         using new Input_section_sort_entry functions.  Sort crtbegin and
7725         crtend first.  Sort sections with no priority before sections with
7726         a priority.
7727         * testsuite/initpri1.c (d3): Check j != 4.
7728         (cd5): New constructor/destructor function.
7729         (main): Check j != 2.
7730
7731         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7732         new symbol when resolving, don't call set_is_default.
7733         * testsuite/ver_test_7.cc: New file.
7734         * testsuite/ver_test_7.sh: New file.
7735         * testsuite/Makefile.am (ver_test_7.so): New target.
7736         (ver_test_7.o): New target.
7737         (check_SCRIPTS): Add ver_test_7.sh.
7738         (check_DATA): Add ver_test_7.syms.
7739         (ver_test_7.syms): New target.
7740
7741 2008-03-28  Ian Lance Taylor  <iant@google.com>
7742
7743         * layout.cc (Layout::layout): If we see an input section with a
7744         name that needs sorting, set the must_sort flag for the output
7745         section.
7746         (Layout::make_output_section): If the name of the output section
7747         indicates that it might require sorting, set the may_sort flag.
7748         * output.h (Output_section::may_sort_attached_input_sections): New
7749         function.
7750         (Output_section::set_may_sort_attached_input_sections): New
7751         function.
7752         (Output_section::must_sort_attached_input_sections): New
7753         function.
7754         (Output_section::set_must_sort_attached_input_sections): New
7755         function.
7756         (class Output_section): Declare Input_section_sort_entry.  Define
7757         Input_section_sort_compare.  Declare
7758         sort_attached_input_sections.  Add new fields:
7759         may_sort_attached_input_sections_,
7760         must_sort_attached_input_sections_,
7761         attached_input_sections_are_sorted_.
7762         * output.cc (Output_section::Output_section): Initialize new
7763         fields.
7764         (Output_section::add_input_section): Add an entry to
7765         input_sections_ if may_sort or must_sort are true.
7766         (Output_section::set_final_data_size): Call
7767         sort_attached_input_sections if necessary.
7768         (Output_section::Input_section_sort_entry): Define new class.
7769         (Output_section::Input_section_sort_compare::operator()): New
7770         function.
7771         (Output_section::sort_attached_input_sections): New function.
7772         * configure.ac: Check whether the compiler supports constructor
7773         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7774         * testsuite/initpri1.c: New file.
7775         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7776         CONSTRUCTOR_PRIORITY.
7777         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7778         (initpri1_LDFLAGS): New variable.
7779         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7780
7781 2008-03-27  Ian Lance Taylor  <iant@google.com>
7782
7783         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7784         * testsuite/common_test_1.c: New file.
7785         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7786         (common_test_1_SOURCES): New variable.
7787         (common_test_1_DEPENDENCIES): New variable.
7788         (common_test_1_LDFLAGS): New variable.
7789
7790         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7791         and commons_ correctly when NAME/VERSION does not override
7792         NAME/NULL.
7793         * testsuite/ver_test_6.c: New file.
7794         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7795         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7796         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7797
7798 2008-03-26  Ian Lance Taylor  <iant@google.com>
7799
7800         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7801         of an undefined symbol from a version script.
7802         * testsuite/Makefile.am (ver_test_5.so): New target.
7803         (ver_test_5.o): New target.
7804         (check_SCRIPTS): Add ver_test_5.sh.
7805         (check_DATA): Add ver_test_5.syms.
7806         (ver_test_5.syms): New target.
7807         * testsuite/ver_test_5.cc: New file.
7808         * testsuite/ver_test_5.script: New file.
7809         * testsuite/ver_test_5.sh: New file.
7810         * Makefile.in, testsuite/Makefile.in: Rebuild.
7811
7812         PR gold/5986
7813         Fix problems building gold with gcc 4.3.0.
7814         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7815         (gold_error_at_location, gold_warning_at_location): Use it.
7816         * configure.ac: Check whether we can compile and use a template
7817         function with a printf attribute.
7818         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7819         when jumping over bytes.
7820         * object.cc: Instantiate Object::read_section_data.
7821         * debug.h: Include <cstring>
7822         * dwarf_reader.cc: Include <algorithm>
7823         * main.cc: Include <cstring>.
7824         * options.cc: Include <cstring>.
7825         * output.cc: Include <cstring>.
7826         * script.cc: Include <cstring>.
7827         * script.h: Include <string>.
7828         * symtab.cc: Include <cstring> and <algorithm>.
7829         * target-select.cc: Include <cstring>.
7830         * version.cc: Include <string>.
7831         * testsuite/testmain.cc: Include <cstdlib>.
7832         * configure, config.in: Rebuild.
7833
7834 2008-03-25  Ian Lance Taylor  <iant@google.com>
7835
7836         * options.cc: Include "../bfd/bfdver.h".
7837         (options::help): Print bug reporting address.
7838
7839         * version.cc (print_version): Adjust output for current value of
7840         BFD_VERSION_STRING.
7841
7842         * NEWS: New file.
7843
7844         * options.cc (options::help): Print list of supported targets.
7845         * target-select.h: Include <vector>.
7846         (class Target_selector): Make machine_, size_, and is_big_endian_
7847         fields const.  Add bfd_name_ and instantiated_target_ fields.
7848         (Target_selector::Target_selector): Add bfd_name parameter.
7849         (Target_selector::recognize): Make non-virtual, call
7850         do_recognize.
7851         (Target_selector::recognize_by_name): Make non-virtual, call
7852         do_recognize_by_name.
7853         (Target_selector::supported_names): New function.
7854         (Target_selector::bfd_name): New function.
7855         (Target_selector::do_instantiate_target): New pure virtual
7856         function.
7857         (Target_selector::do_recognize): New virtual function.
7858         (Target_selector::do_recognize_by_name): New virtual function.
7859         (Target_selector::instantiate_target): New private function.
7860         (supported_target_names): Declare.
7861         * target-select.cc (Target_selector::Target_selector): Update for
7862         new parameter and fields.
7863         (select_target_by_name): Check that the name matches before
7864         calling recognize_by_name.
7865         (supported_target_names): New function.
7866         * i386.cc (class Target_selector_i386): Update Target_selector
7867         constructor call.  Remove recognize and recognize_by_name.  Add
7868         do_instantiate_target.
7869         * x86_64.cc (class Target_selector_x86_64): Likewise.
7870         * testsuite/testfile.cc (class Target_selector_test): Update for
7871         changes to Target_selector.
7872
7873         * README: Rewrite, with some notes on unsupported features.
7874
7875 2008-03-24  Cary Coutant  <ccoutant@google.com>
7876
7877         * i386.cc (Target_i386::Got_type): New enum declaration.
7878         (Target_i386::Scan::local): Updated callers of Output_data_got
7879         member functions.
7880         (Target_i386::Scan::global): Likewise.
7881         (Target_i386::Relocate::relocate): Likewise.
7882         (Target_i386::Relocate::relocate_tls): Likewise.
7883         * object.h (Got_offset_list): New class.
7884         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7885         (Sized_relobj::local_got_offset): Likewise.
7886         (Sized_relobj::set_local_got_offset): Likewise.
7887         (Sized_relobj::local_has_tls_got_offset): Removed.
7888         (Sized_relobj::local_tls_got_offset): Removed.
7889         (Sized_relobj::set_local_tls_got_offset): Removed.
7890         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7891         * output.cc (Output_data_got::add_global): Added got_type parameter.
7892         (Output_data_got::add_global_with_rel): Likewise.
7893         (Output_data_got::add_global_with_rela): Likewise.
7894         (Output_data_got::add_global_pair_with_rel): New function.
7895         (Output_data_got::add_global_pair_with_rela): New function.
7896         (Output_data_got::add_local): Added got_type parameter.
7897         (Output_data_got::add_local_with_rel): Likewise.
7898         (Output_data_got::add_local_with_rela): Likewise.
7899         (Output_data_got::add_local_pair_with_rel): New function.
7900         (Output_data_got::add_local_pair_with_rela): New function.
7901         (Output_data_got::add_global_tls): Removed.
7902         (Output_data_got::add_global_tls_with_rel): Removed.
7903         (Output_data_got::add_global_tls_with_rela): Removed.
7904         (Output_data_got::add_local_tls): Removed.
7905         (Output_data_got::add_local_tls_with_rel): Removed.
7906         (Output_data_got::add_local_tls_with_rela): Removed.
7907         * output.h (Output_data_got::add_global): Added got_type parameter.
7908         (Output_data_got::add_global_with_rel): Likewise.
7909         (Output_data_got::add_global_with_rela): Likewise.
7910         (Output_data_got::add_global_pair_with_rel): New function.
7911         (Output_data_got::add_global_pair_with_rela): New function.
7912         (Output_data_got::add_local): Added got_type parameter.
7913         (Output_data_got::add_local_with_rel): Likewise.
7914         (Output_data_got::add_local_with_rela): Likewise.
7915         (Output_data_got::add_local_pair_with_rel): New function.
7916         (Output_data_got::add_local_pair_with_rela): New function.
7917         (Output_data_got::add_global_tls): Removed.
7918         (Output_data_got::add_global_tls_with_rel): Removed.
7919         (Output_data_got::add_global_tls_with_rela): Removed.
7920         (Output_data_got::add_local_tls): Removed.
7921         (Output_data_got::add_local_tls_with_rel): Removed.
7922         (Output_data_got::add_local_tls_with_rela): Removed.
7923         * resolve.cc (Symbol::override_base_with_special): Removed
7924         reference to has_got_offset_ field.
7925         * symtab.cc (Symbol::init_fields): Replaced initialization
7926         of got_offset_ with got_offsets_.  Removed initialization
7927         of has_got_offset_
7928         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7929         (Symbol::got_offset): Likewise.
7930         (Symbol::set_got_offset): Likewise.
7931         (Symbol::has_tls_got_offset): Removed.
7932         (Symbol::tls_got_offset): Removed.
7933         (Symbol::set_tls_got_offset): Removed.
7934         (Symbol::got_offset_): Removed.
7935         (Symbol::tls_mod_got_offset_): Removed.
7936         (Symbol::tls_pair_got_offset_): Removed.
7937         (Symbol::got_offsets_): New field.
7938         (Symbol::has_got_offset): Removed.
7939         (Symbol::has_tls_mod_got_offset): Removed.
7940         (Symbol::has_tls_pair_got_offset): Removed.
7941         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7942         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7943         member functions.
7944         (Target_x86_64::Scan::global): Likewise.
7945         (Target_x86_64::Relocate::relocate): Likewise.
7946         (Target_x86_64::Relocate::relocate_tls): Likewise.
7947
7948 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7949
7950         * yyscript.y: Fix spelling error in comment.
7951
7952 2008-03-24  Ian Lance Taylor  <iant@google.com>
7953
7954         * options.h (class General_options): Define build_id option.
7955         * layout.h (class Layout): Declare write_build_id, create_note,
7956         create_build_id.  Add build_id_note_ member.
7957         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7958         "libiberty.h", "md5.h", "sha1.h".
7959         (Layout::Layout): Initialize eh_frame_data_,
7960         eh_frame_hdr_section_, and build_id_note_.
7961         (Layout::finalize): Call create_build_id.
7962         (Layout::create_note): New function, broken out of
7963         Layout::create_gold_note.
7964         (Layout::create_gold_note): Call create_note.
7965         (Layout::create_build_id): New function.
7966         (Layout::write_build_id): New function.
7967         (Close_task_runner::run): Call write_build_id.
7968
7969         * x86_64.cc: Correct license to GPLv3.
7970
7971 2008-03-23  Ian Lance Taylor  <iant@google.com>
7972
7973         * options.cc: Include "demangle.h".
7974         (parse_optional_string): New function.
7975         (parse_long_option): Handle takes_optional_argument.
7976         (parse_short_option): Update dash_z initializer.  Handle
7977         takes_optional_argument.
7978         (General_options::General_options): Initialize do_demangle_.
7979         (General_options::finalize): Set do_demangle_.  Handle demangling
7980         style.
7981         * options.h (parse_optional_string): Declare.
7982         (struct One_option): Add optional_arg field.  Update constructor.
7983         Update call constructor calls.  Add takes_optional_argument
7984         function.
7985         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7986         (DEFINE_optional_string): Define.
7987         (General_options::demangle): Change from DEFINE_bool to
7988         DEFINE_optional_string.
7989         (General_options::no_demangle): New function.
7990         (General_options::do_demangle): New function.
7991         (General_options::set_do_demangle): New function.
7992         (General_options::execstack_status_): Move definition to end of
7993         class definition.
7994         (General_options::static_): Likewise.
7995         (General_options::do_demangle_): New field.
7996         * object.cc (big_endian>::get_symbol_location_info): Call
7997         Options::do_demangle, not Options::demangle.
7998         * symtab.cc (demangle): Likewise.
7999
8000 2008-03-22  Ian Lance Taylor  <iant@google.com>
8001
8002         * gold.h: Include <cstddef> and <sys/types.h>
8003         * options.h: Include <cstring>.
8004
8005 2008-03-21  Ian Lance Taylor  <iant@google.com>
8006
8007         * Added source code to GNU binutils.