0e07650f57ba9ff5c6868ed7a5f25e58f25b171e
[platform/upstream/binutils.git] / gold / ChangeLog
1 2010-06-18  Rafael Espindola  <espindola@google.com>
2
3         * plugin.cc (add_input_file,add_input_library)
4         (Plugin_manager::add_input_file): Make filename arguments const.
5         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6         const.
7
8 2010-06-16  Doug Kwan  <dougkwan@google.com>
9
10         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
11         .ARM.attributes section if we have not merged any input
12         attributes sections.
13
14 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
15
16         * arm.cc: Allow combining objects with no EABI version
17         information.
18
19 2010-06-15  Rafael Espindola  <espindola@google.com>
20
21         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
22
23 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
24
25         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
26         (struct iovec): Correct !HAVE_READV definition.
27
28 2010-06-10  Cary Coutant  <ccoutant@google.com>
29
30         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
31         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
32         reloc sections.
33         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
34
35         PR 11683
36         * symtab.h (Symbol::is_placeholder): New member function.
37         * target-reloc.h (relocate_section): Check for placeholder symbols.
38
39         * testsuite/Makefile.am (plugin_test_8): New test.
40         (plugin_test_9): New test.
41         * testsuite/Makefile.in: Regenerate.
42
43 2010-06-09  Nick Clifton  <nickc@redhat.com>
44
45         * yyscript.y (input_list_element): Allow strings prefixed with
46         the '-' character.  Treat these as libraries.
47         * script.cc (script_add_library): New function.  Adds a library
48         specified by "-l<name>" found in an input script.
49         * script-c.h: Add prototype for script_add_library.
50
51 2010-06-07  Doug Kwan  <dougkwan@google.com>
52
53         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
54         Restrict stub-group size to be within long conditional branch
55         range when working around cortex-A8 erratum.
56
57 2010-06-07  Damien Diederen  <dd@crosstwine.com>
58
59         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
60         #ifdef typo.
61
62 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
63
64         PR gold/11658
65         * output.cc
66         (Output_section::Input_section_sort_entry::compare_section_ordering):
67         Change to return non-zero correctly.
68         (Output_section::Input_section_sort_section_order_index_compare
69         ::operator()): Change to fix ambiguity in comparisons.
70
71 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
72
73         * gold.h (is_wildcard_string): New function.
74         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
75         (Layout::layout_eh_frame): Ditto.
76         (Layout::find_section_order_index): New method.
77         (Layout::read_layout_from_file): New method.
78         * layout.h (Layout::find_section_order_index): New method.
79         (Layout::read_layout_from_file): New method.
80         (Layout::input_section_position_): New private member.
81         (Layout::input_section_glob_): New private member.
82         * main.cc (main): Call read_layout_from_file here.
83         * options.h (--section-ordering-file): New option.
84         * output.cc (Output_section::input_section_order_specified_): New
85         member.
86         (Output_section::Output_section): Initialize new member.
87         (Output_section::add_input_section): Add new parameter.
88         Keep input sections when --section-ordering-file is used.
89         (Output_section::set_final_data_size): Sort input sections when
90         section ordering file is specified.
91         (Output_section::Input_section_sort_entry): Add new parameter.
92         Check sorting type.
93         (Output_section::Input_section_sort_entry::compare_section_ordering):
94         New method.
95         (Output_section::Input_section_sort_compare::operator()): Change to
96         consider section_order_index.
97         (Output_section::Input_section_sort_init_fini_compare::operator()):
98         Change to consider section_order_index.
99         (Output_section::Input_section_sort_section_order_index_compare
100         ::operator()): New method.
101         (Output_section::sort_attached_input_sections): Change to sort
102         according to section order when specified.
103         (Output_section::add_input_section<32, true>): Add new parameter.
104         (Output_section::add_input_section<64, true>): Add new parameter.
105         (Output_section::add_input_section<32, false>): Add new parameter.
106         (Output_section::add_input_section<64, false>): Add new parameter.
107         * output.h (Output_section::add_input_section): Add new parameter.
108         (Output_section::input_section_order_specified): New
109         method.
110         (Output_section::set_input_section_order_specified): New method.
111         (Input_section::Input_section): Initialize section_order_index_.
112         (Input_section::section_order_index): New method.
113         (Input_section::set_section_order_index): New method.
114         (Input_section::section_order_index_): New member.
115         (Input_section::Input_section_sort_section_order_index_compare): New
116         struct.
117         (Output_section::input_section_order_specified_): New member.
118         * script-sections.cc (is_wildcard_string): Delete and move modified
119         method to gold.h.
120         (Output_section_element_input::Output_section_element_input): Modify
121         call to is_wildcard_string.
122         (Output_section_element_input::Input_section_pattern
123         ::Input_section_pattern): Ditto.
124         (Output_section_element_input::Output_section_element_input): Ditto.
125         * testsuite/Makefile.am (final_layout): New test case.
126         * testsuite/Makefile.in: Regenerate.
127         * testsuite/final_layout.cc: New file.
128         * testsuite/final_layout.sh: New file.
129
130 2010-06-01  Rafael Espindola  <espindola@google.com>
131
132         * plugin.cc (Plugin::load): Pass the output name to the plugin.
133
134 2010-06-01  Rafael Espindola  <espindola@google.com>
135
136         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
137         visibility of symbols.
138
139 2010-05-27  Doug Kwan  <dougkwan@google.com>
140
141         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
142         from start of output section instead of address for a local symbol
143         in a merged or relaxed section when doing a relocatable link.
144
145 2010-05-26  Rafael Espindola  <espindola@google.com>
146
147        PR 11604
148         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
149         adding sections the garbage collector removed.
150         * gold/testsuite/Makefile.am: Add test.
151         * gold/testsuite/Makefile.in: Regenerate.
152         * gold/testsuite/plugin_test_7.sh: New.
153         * gold/testsuite/plugin_test_7_1.c: New.
154         * gold/testsuite/plugin_test_7_2.c: New.
155
156 2010-05-26  Rafael Espindola  <espindola@google.com>
157
158         * script-sections.cc (Output_section_definition::set_section_addresses):
159         Check for --section-start.
160
161 2010-05-26  Doug Kwan  <dougkwan@google.com>
162
163         * arm.cc (Arm_scan_relocatable_relocs): New class.
164         (Target_arm::relocate_special_relocatable): New method.
165         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
166         (Arm_relocate_functions::thumb_branch_common): Same.
167         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
168         instead of Default_scan_relocatable_relocs.
169         * target-reloc.h (relocate_for_relocatable): Let target handle
170         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
171         * target.h (Sized_target::relocate_special_relocatable): New method.
172
173 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
174
175         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
176
177 2010-05-23  Doug Kwan  <dougkwan@google.com>
178
179         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
180         instead of a cast.
181         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
182         with a direct branch, not a conditional branch, to a stub.
183         * merge.cc (Output_merge_base::record_input_section): New method
184         defintion.
185         (Output_merge_data::do_add_input_section): Record input section if
186         keeps-input-sections flag is set.
187         (Output_merge_string::do_add_input_section): Ditto.
188         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
189         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
190         INPUT_SECTIONS_.
191         (Output_merge_base::keeps_input_sections,
192         Output_merge_base::set_keeps_input_sections,
193         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
194         method definitions.
195         (Output_merge_base::Input_sections): New type declaration.
196         (Output_merge_base::input_sections_begin,
197         Output_merge_base::input_sections_end,
198         Output_merge_base::do_set_keeps_input_sections): New method definitions.
199         (Output_merge_base::bool keeps_input_sections_,
200         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
201         Output_merge_base::input_sections_): New data members.
202         (Output_merge_data::do_set_keeps_input_sections): New method
203         defintion.
204         (Output_merge_string::do_set_keeps_input_sections): Ditto.
205         * output.cc (Output_section::Input_section::relobj): Move method
206         defintion from class declaration to here and handle merge sections.
207         (Output_section::Input_section::shndx): Ditto.
208         (Output_section::Output_section): Remove initializations of removed
209         data members and initialize new data member LOOKUP_MAPS_.
210         (Output_section::add_input_section): Set keeps-input-sections flag
211         for a newly created merge output section as appropriate.  Adjust code
212         to use Output_section_lookup_maps class.
213         (Output_section::add_relaxed_input_section): Adjst code for lookup
214         maps code refactoring.
215         (Output_section::add_merge_input_section): Add a new parameter
216         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
217         class.  If adding input section to a newly created merge output
218         section fails, remove the new merge section.
219         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
220         Adjust code for use of the Output_section_lookup_maps class.
221         (Output_section::find_merge_section): Ditto.
222         (Output_section::build_lookup_maps): New method defintion.
223         (Output_section::find_relaxed_input_section): Adjust code to use
224         Output_section_lookup_maps class.
225         (Output_section::get_input_sections): Export merge sections.  Adjust
226         code to use Output_section_lookup_maps class.
227         (Output_section:::add_script_input_section): Adjust code to use
228         Output_section_lookup_maps class.  Update lookup maps for merge
229         sections also.
230         (Output_section::discard_states): Use Output_section_lookup_maps.
231         (Output_section::restore_states): Same.
232         * output.h (Merge_section_properties): Move class defintion out of
233         Output_section.
234         (Output_section_lookup_maps): New class.
235         (Output_section::Input_section::is_merge_section): New method
236         defintion.
237         (Output_section::Input_section::relobj): Move defintion out of class
238         defintion.  Declare method only.
239         (Output_section::Input_section::shndx): Ditto.
240         (Output_section::Input_section::output_merge_base): New method defintion.
241         (Output_section::Input_section::u2_.pomb): New union field.
242         (Output_section::Merge_section_by_properties_map,
243         Output_section::Output_section_data_by_input_section_map,
244         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
245         Remove types.
246         (Output_section::add_merge_input_section): Add new parameter
247         KEEPS_INPUT_SECTIONS.
248         (Output_section::build_lookup_maps): New method declaration.
249         (Output_section::merge_section_map_,
250         Output_section::merge_section_by_properties_map_,
251         Output_section::relaxed_input_section_map_,
252         Output_section::is_relaxed_input_section_map_valid_): Remove data
253         members.
254         (Output_section::lookup_maps_): New data member.
255
256 2010-05-21  Doug Kwan  <dougkwan@google.com>
257
258         PR gold/11619
259         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
260         avoid a compilation error.
261
262 2010-05-19  Rafael Espindola  <espindola@google.com>
263
264         * script-sections.cc (Output_section_definition::allocate_to_segment):
265         Update the phdrs_list even when the output section is NULL.
266         * testsuite/Makefile.am: Add test.
267         * testsuite/Makefile.in: Regenerate.
268         * testsuite/script_test_9.cc: New.
269         * testsuite/script_test_9.sh: New.
270         * testsuite/script_test_9.t: New.
271
272 2010-05-19  Doug Kwan  <dougkwan@google.com>
273
274         * arm.cc (Arm_input_section::original_size): New method.
275         (Arm_input_section::do_addralign): Add a cast.
276         (Arm_input_section::do_output_offset): Remove static cast.
277         (Arm_input_section::original_addralign,
278          Arm_input_section::original_size_): Change type to uint32_t.
279         (Arm_input_section::init): Add safe casts for section alignment
280         and size.
281         (Arm_input_section::set_final_data_size): Do not set address and
282         offset of stub table.
283         (Arm_output_section::fix_exidx_coverage): Change use of of
284         Output_section::Simple_input_section to that of
285         Output_section::Input_section.
286         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
287         except for the first pass.
288         * output.cc (Output_section::get_input_sections): Change type of
289         input_sections to std::list<Input_section>.
290         (Output_section::add_script_input_section): Rename from
291         Output_section::add_simple_input_section.  Change type of SIS
292         parameter from Simple_input_section to Input_section.
293         * output.h (Output_section::Simple_input_section): Remove class.
294         (Output_section::Input_section): Change class visibility to public.
295         (Output_section::Input_section::addralign): Use stored alignments
296         for special input sections if set.
297         (Output_section::Input_section::set_addralign): New method.
298         (Output_section::get_input_sections): Change parameter type from
299         list of Simple_input_section to list of Input_section.
300         (Output_section::add_script_input_section): Rename from
301         Output_section::add_simple_input_section. Change first parameter's
302         type from Simple_input_section to Input_section and remove the
303         second and third parameters.
304         * script-sections.cc (Input_section::Input_section_list): Change
305         type to list of Output_section::Input_section/
306         (Input_section_info::Input_section_info): Change parameter type of
307         INPUT_SECTION to Output_section::Input_section.
308         (Input_section_info::input_section): Change return type.
309         (Input_section_info::input_section_): Change type to
310         Output_section::Input_section.
311         (Output_section_element_input::set_section_addresses): Adjust code
312         to use Output_section::Input_section instead of
313         Output_section::Simple_input_section.  Adjust code for renaming
314         of Output_section::add_simple_input_section.
315         (Orphan_output_section::set_section_addresses): Ditto.
316
317 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
318
319         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
320         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
321
322 2010-05-18  Rafael Espindola  <espindola@google.com>
323
324         * options.cc (General_options::finalize): Handle -nostdlib.
325         * options.h (nostdlib): New option.
326         * script.cc (script_add_search_dir): Handle -nostdlib.
327
328 2010-05-12  Doug Kwan  <dougkwan@google.com>
329
330         * arm.cc (Target_arm::do_finalize_sections): Create an empty
331         attributes section only if there no attributes section after merging.
332         (Target_arm::merge_object_attributes): Move value of
333         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
334         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
335         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
336         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
337         and arm_attr_merge_7.stdout.
338         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
339         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
340         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
341         arm_attr_merge_7b.o): New rules.
342         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
343         arm_attr_merge_7
344         * testsuite/Makefile.in: Regenerate.
345         * testsuite/arm_attr_merge.sh: New file.
346         * testsuite/arm_attr_merge_[67][ab].s: Same.
347
348 2010-05-05  Nick Clifton  <nickc@redhat.com>
349
350         * po/es.po: Updated Spanish translation.
351
352 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
353
354         * Makefile.am (install-exec-local): Properly install gold as
355         default cross linker.
356         * Makefile.in: Regenerated.
357
358 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
359             Nick Clifton  <nickc@redhat.com>
360
361         * configure.ac (install_as_default): Define and set to false
362         unless --enable-gold or --enable-gold=both/gold has been
363         specified.
364         * configure: Regenerate.
365
366         * Makefile.am (install-exec-local): Install the executable as
367         'ld.gold'.  If install_as_default is true then also install it as
368         'ld'.
369         * Makefile.in: Regenerated.
370
371 2010-04-24  Ian Lance Taylor  <iant@google.com>
372
373         * layout.cc (Layout::layout_reloc): In relocatable link don't
374         combine reloc sections for grouped sections.
375
376 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
377
378         * gc.h (gc_process_relocs): Pass information on relocs pointing to
379         sections that are not ordinary to icf.
380         * icf.cc (get_section_contents): Handle relocation pointing to section
381         with no object or shndx information.
382         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
383         * testsuite/Makefile.in: Regenerate.
384         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
385         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
386
387 2010-04-22  Ian Lance Taylor  <iant@google.com>
388
389         * expression.cc (Expression::Expression_eval_info): Add
390         result_alignment_pointer field.
391         (Expression::eval_with_dot): Add result_alignment_pointer
392         parameter.  Change all callers.
393         (Expression::eval_maybe_dot): Likewise.
394         (class Binary_expression): Add alignment_pointer parameter to
395         left_value and right_value.  Change all callers.
396         (BINARY_EXPRESSION): Set result alignment.
397         (class Trinary_expression): Add alignment_pointer parameter to
398         arg2_value and arg3_value.  Change all callers.
399         (Trinary_cond::value): Set result alignment.
400         (Max_expression::value, Min_expression::value): Likewise.
401         (Align_expression::value): Likewise.
402         * script-sections.cc (class Sections_element): Add dot_alignment
403         parameter to set_section_addresses virtual function.  Update
404         instantiations.
405         (class Output_section_element): Likewise.
406         (Script_sections::create_segments): Add dot_alignment parameter.
407         Change all callers.
408         (Script_sections::create_segments_from_phdrs_clause): Likewise.
409         (Script_sections::set_phdrs_clause_addresses): Likewise.
410         * script-sections.h: Update declarations.
411         * script.h: Update declarations.
412         * output.h (Output_segment::set_minimum_p_align): Don't decrease
413         min_p_align.
414         * testsuite/script_test_3.t: Set large alignment.
415         * testsuite/script_test_3.sh: Make sure that at least one LOAD
416         segment has expected alignment.
417
418 2010-04-22  Nick Clifton  <nickc@redhat.com>
419
420         * po/gold.pot: Updated by the Translation project.
421         * po/vi.po: Updated Vietnamese translation.
422
423 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
424
425         * testsuite/Makefile.am (check_PROGRAMS): Add
426         icf_virtual_function_folding_test.
427         * testsuite/Makefile.in: Regenerated.
428
429 2010-04-15  Andrew Haley  <aph@redhat.com>
430
431         * options.h (merge_exidx_entries): New option.
432         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
433         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
434         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
435         (Target_arm::merge_exidx_entries): New function.
436         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
437         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
438         to Arm_exidx_fixup constructor.
439         Add new arg, merge_exidx_entries.
440         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
441         Arm_output_section::fix_exidx_coverage.
442
443 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
444
445         * icf.cc (get_section_contents): Check for preemptible functions.
446         Ignore addend when appropriate.
447         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
448         section folded.
449         (add_from_relobj): Check for section folded.
450         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
451         * symtab.h (should_add_dynsym_entry): Add new parameter.
452         * target-reloc.h (scan_relocs): Check for section folded.
453         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
454         Check reloc types for function pointers in shared objects.
455         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
456         case.
457         (icf_preemptible_functions_test): New test case.
458         (icf_string_merge_test): New test case.
459         * testsuite.Makefile.in: Regenerate.
460         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
461         bar_glob.  Refactor code.
462         * testsuite/icf_preemptible_functions_test.cc: New file.
463         * testsuite/icf_preemptible_functions_test.sh: New file.
464         * testsuite/icf_string_merge_test.cc: New file.
465         * testsuite/icf_string_merge_test.sh: New file.
466         * testsuite/icf_virtual_function_folding_test.cc: New file.
467         * testsuite/icf_virtual_function_folding_test.sh: New file.
468
469 2010-04-14  Doug Kwan  <dougkwan@google.com>
470
471         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
472         for local symbol recounting if we remove a section due to ICF.
473         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
474         there are no regular objects in input.
475
476 2010-04-13  Doug Kwan  <dougkwan@google.com>
477
478         * arm.cc (Arm_input_section::set_final_data_size): Compute
479         accurate final data size instead of using current data size.
480
481 2010-04-09  Doug Kwan  <dougkwan@google.com>
482
483         * layout.cc (Layout::choose_output_section): Handle script section
484         types.
485         (Layout::make_output_section_for_script): Add section type parameter.
486         Handle script section types.
487         * layout.h (Layout::make_output_section_for_script): Add section
488         type parameter.
489         * output.cc (Output_section::Output_section): Initialize data member
490         is_noload_.
491         (Output_section::do_reset_address_and_file_offset): Do not set address
492         to 0 if section is a NOLOAD section.
493         * output.h (Output_section::is_noload): New method.
494         (Output_section::set_is_noload): Ditto.
495         (Output_section::is_noload_): New data member.
496         * script-c.h (Script_section_type): New enum type.
497         (struct Parser_output_section_header): Add new file section_type.
498         * script-sections.cc (Sections_element::output_section_name): Add
499         parameter for returning script section type.
500         (Output_section_definition::output_section_name): Ditto.
501         (Output_section_definition::section_type)P; New method.
502         (Output_section_definiton::script_section_type_name): Ditto.
503         (Output_section_definition::script_section_type_): New data member.
504         (Output_section_definition::Output_section_definition): Initialize
505         data member Output_section_definition::script_section_type_.
506         (Output_section_definition::create_sections): Pass script section type
507         to Layout::make_output_section_for_script.
508         (Output_section_definition::output_section_name): Return script
509         section type to caller.
510         (Output_section_definition::set_section_address): Do not advance
511         dot value and load address if section type is NOLOAD.  Set address
512         of NOLOAD sections regardless of section flags.
513         (Output_section_definition::print): Print section type if it is
514         not SCRIPT_SECTION_TYPE_NONE.
515         (Output_section_definition::section_type): New method.
516         (Output_section_definition::script_section_type_name): Ditto.
517         (Script_sections::output_section_name): Add new parameter
518         PSECTION_TYPE for returning script section type.  Pass it to
519         section elements.  Handle discard sections.
520         (Sort_output_sections::operator()): Handle NOLOAD sections.
521         * script-sections.h (Script_sections::Section_type): New enum type.
522         (Script_sections::output_section_name): Add a new parameter for
523         returning script section type.
524         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
525         INFO and NOLOAD.
526         * yyscript.y (union): Add new field SECTION_TYPE.
527         (COPY, DSECT, INFO, NOLOAD): New tokens.
528         (opt_address_and_section_type): Change type to output_section_header.
529         (section_type): New non-terminal
530         (section_header): Handle section type.
531         (opt_address_and_section_type): Return section type value.
532
533 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
534
535         * testsuite/plugin_common_test_1.c (foo): Add prototype.
536         * testsuite/plugin_common_test_2.c (foo): Likewise.
537
538 2010-04-08  Doug Kwan  <dougkwan@google.com>
539
540         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
541         Output_merge_data.
542         * output.cc (Output_section::add_merge_input_section): Simplify
543         code and return status of Output_merge_base::add_input_section.
544         Update merge section map only if Output_merge_base::add_input_section
545         returns true.
546
547 2010-04-07  Doug Kwan  <dougkwan@google.com>
548
549         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
550         if section is marked as containing instructions but has no mapping
551         symbols.
552         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
553         correct section index.
554         (Arm_relobj::find_linked_text_section): Ditto.
555
556 2010-04-07  Cary Coutant  <ccoutant@google.com>
557
558         * archive.cc (include_member): Destroy Read_symbols_data object before
559         releasing file.
560         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
561         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
562         (Read_symbols_data::~Read_symbols_data) New destructor.
563         (Section_relocs::Section_relocs) New constructor.
564         (Section_relocs::~Section_relocs) New destructor.
565         (Read_relocs_data::Read_relocs_data) New constructor.
566         (Read_relocs_data::~Read_relocs_data) New destructor.
567         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
568         pointers to NULL after deleting.
569
570 2010-04-07  Doug Kwan  <dougkwan@google.com>
571
572         * arm.cc: Replace "endianity" with "endianness" in comments.
573         (Arm_exidx_cantunwind): Ditto.
574         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
575         (Arm_relobj::merge_flags_and_attributes): New method.
576         (Arm_relobj::merge_flags_and_attributes_): New data member.
577         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
578         (Arm_relobj::scan_sections_for_stubs): Ditto.
579         (Arm_relobj::do_read_symbols): Check to see if we really want to
580         merge processor-specific flags and attributes.  Exit early if
581         an object is empty except for section names and the undefined symbol.
582         (Target_arm::do_finalize_sections): Move check for ELF format to
583         Arm_relobj::do_read_symbols.  Merge processor specific flags and
584         attributes from a regular object only when we have determined that
585         it is aapropriate.  Do not create an .ARM.attributes section in
586         output if there is no regular input object.
587         (Target_arm::merge_processor_specific_flags): Check
588         --warn-mismatch before printing any error.
589         (Target_arm::merge_object_attributes): Ditto.
590         * gold.cc (queue_middle_tasks): Handle the case in which there is
591         no regular object in input.
592         * options.cc (General_options::parse_EB): New method.
593         (General_options::parse_EL): Same.
594         (General_options::General_options): Initialize endianness_.
595         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
596         New options.
597         (General_options::Endianness): New enum.
598         (General_options::endianness): New method.
599         (General_options::endianness_): New data member.
600         * parameters.cc (Parameters::set_options): Check target endianness.
601         (Parameters::set_target_once): Ditto.
602         (Parameters::check_target_endianness): New method.
603         (parameters_force_valid_target): If either -EL or -EB is specified,
604         use it to define endianness of default target.
605         * parameters.h (Parameters::check_target_endianness): New method
606         declaration.
607         * target.h (class Target): Change "endianity" to "endianness"
608         in comments.
609
610 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
611
612         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
613         * configure: Regenerate.
614         * Makefile.in: Regenerate.
615         * testsuite/Makefile.in: Regenerate.
616
617 2010-04-06  Cary Coutant  <ccoutant@google.com>
618
619         gcc PR lto/42757
620         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
621         prevailing definitions of common symbols.
622         * testsuite/plugin_test_6.sh: New test case.
623         * testsuite/plugin_common_test_1.c: New test case.
624         * testsuite/plugin_common_test_2.c: New test case.
625         * testsuite/Makefile.am (plugin_test_6): New test case.
626         * testsuite/Makefile.in: Regenerate.
627
628 2010-04-06  Nick Clifton  <nickc@redhat.com>
629
630         * po/vi.po: New Vietnamese translation.
631
632 2010-03-30  Doug Kwan  <dougkwan@google.com>
633
634         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
635
636 2010-03-25  Doug Kwan  <dougkwan@google.com>
637
638         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
639         to avoid a conversion warning on a 32-bit host.
640
641 2010-03-24  Ian Lance Taylor  <iant@google.com>
642
643         * testsuite/script_test_3.t: Add a TLS segment.
644         * testsuite/Makefile.am (check_PROGRAMS): Add
645         tls_phdrs_script_test.
646         (tls_phdrs_script_test_SOURCES): Define.
647         (tls_phdrs_script_test_DEPENDENCIES): Define.
648         (tls_phdrs_script_test_LDFLAGS): Define.
649         (tls_phdrs_script_test_LDADD): Define.
650         * testsuite/Makefile.in: Rebuild.
651
652 2010-03-23  Cary Coutant  <ccoutant@google.com>
653
654         * fileread.cc (find_or_make_view): Fix comment.
655
656 2010-03-23  Ian Lance Taylor  <iant@google.com>
657
658         * script-sections.cc (class Orphan_section_placement): Define
659         PLACE_TLS and PLACE_TLS_BSS.
660         (Orphan_section_placement::Orphan_section_placement): Initialize
661         new places.
662         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
663         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
664         (tls_script_test_SOURCES): Define.
665         (tls_script_test_DEPENDENCIES): Define.
666         (tls_script_test_LDFLAGS): Define.
667         (tls_script_test_LDADD): Define.
668         * testsuite/Makefile.in: Rebuild.
669
670 2010-03-22  Doug Kwan  <dougkwan@google.com>
671
672         * arm.cc (Arm_relocate_functions::abs8,
673         Arm_relocate_functions::abs16): Use correct check for overflow
674         specified in the ARM ELF specs.
675         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
676         target of a BLX instruction specially.
677         (Reloc_stub::stub_type_for_reloc): Ditto.
678         (Relocate::relocate): Use symbolic names instead of numeric relocation
679         codes to report error.
680         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
681         workaround.
682         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
683         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
684         thumb2_blx_out_of_range.stdout
685         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
686         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
687         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
688         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
689         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
690         thumb2_blx_in_range, thumb2_blx_in_range.o,
691         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
692         thumb2_blx_out_of_range.o): New rules.
693         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
694         thumb2_blx_in_range and thumb2_blx_out_of_range.
695         * testsuite/Makefile.in: Regenerate.
696         * arm_branch_in_range.sh: Add tests for THUMB BLX.
697         * testsuite/thumb_blx_in_range.s: New file.
698         * testsuite/thumb_blx_out_of_range.s: New file.
699
700 2010-03-22  Rafael Espindola  <espindola@google.com>
701
702         * archive.cc (Should_include): Move to archive.h.
703         (should_include_member): Make it a member of Archive.
704         (Lib_group): New.
705         (Add_lib_group_symbols): New.
706         * archive.h: Include options.h.
707         (Archive_member): Moved from Archive.
708         (Should_include): Moved from archive.cc.
709         (Lib_group): New.
710         (Add_lib_group_symbols): New.
711         * dynobj.cc (do_should_include_member): New.
712         * dynobj.h (do_should_include_member): New.
713         * gold.cc (queue_initial_tasks): Update call to queue.
714         * main.cc (main): Print lib group stats.
715         * object.cc (do_should_include_member): New.
716         * object.h: Include archive.h.
717         (Object::should_include_member): New.
718         (Object::do_should_include_member): New.
719         (Sized_relobj::do_should_include_member): New.
720         * options.cc (General_options::parse_start_lib): New.
721         (General_options::parse_end_lib): New.
722         (Input_arguments::add_file): Handle lib groups.
723         (Input_arguments::start_group): Check we are not in a lib.
724         (Input_arguments::start_lib): New.
725         (Input_arguments::end_lib): New.
726         * options.h (General_options): Add start_lib and end_lib.
727         (Input_argument::lib_): New.
728         (Input_argument::lib): New.
729         (Input_argument::is_lib): New.
730         (Input_file_lib): New.
731         (Input_arguments::in_lib_): New.
732         (Input_arguments::in_lib): New.
733         (Input_arguments::start_lib): New.
734         (Input_arguments::end_lib_): New.
735         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
736         in unused members as preempted.
737         (Sized_pluginobj::do_should_include_member): New.
738         * plugin.h (Sized_pluginobj::do_should_include_member): New.
739         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
740         return the blocker.
741         (Read_symbols::do_whole_lib_group): New.
742         (Read_symbols::do_lib_group): New.
743         (Read_symbols::do_read_symbols): Handle lib groups.
744         (Read_symbols::get_name): Handle lib groups.
745         * readsyms.h (Read_symbols): Add an archive member pointer.
746         (Read_symbols::do_whole_lib_group): New.
747         (Read_symbols::do_lib_group): New.
748         (Read_symbols::member_): New.
749         * script.cc (read_input_script): Update call to queue_soon.
750
751 2010-03-19  Doug Kwan  <dougkwan@google.com>
752
753         * arm.cc (Stub_table::Stub_table): Initialize new data members
754         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
755         (Stub_table::add_reloc_stub): Assign stub offset and update
756         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
757         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
758         New data members.
759         (Stub_table::update_data_size_and_addralign): Use
760         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
761         instead of going over all reloc stubs.
762         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
763         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
764         Stringpool_template::offset_ to size of Stringpool_char.
765         (Stringpool_template::new_key_offset): Remove code to initialize
766         Stringpool_template::offset_.
767         * stringpool.h (Stringpool_template::set_no_zero_null): Set
768         Stringpool_template::offset_ to zero.
769
770 2010-03-15  Doug Kwan  <dougkwan@google.com>
771
772         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
773         offset_.
774         (Stringpool_template::new_key_offset): New method.
775         (Stringpool_template::add_string): Assign offsets when adding new
776         strings.
777         (Stringpool_template::set_string_offsets): Do not set string offsets
778         when not optimizing.
779         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
780         member size_.
781         (Chunked_vector::clear): Clear size_.
782         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
783         (Chunked_vector::size): Return size_.
784         (Chunked_vector::push_back): Use size_ to find insert position.
785         (Chunked_vector::size_): New data member.
786         (Stringpool_template::set_no_zero_null): Assert string set is empty.
787         (Stringpool_template::new_key_offset): New method declaration.
788         (Stringpool_template::offset_): New data member.
789
790 2010-03-15   Rafael Espindola  <espindola@google.com>
791
792         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
793         Add_symbols' constructor.
794         * readsyms.h (Add_symbols): Remove the input_group member.
795
796 2010-03-10  Ian Lance Taylor  <iant@google.com>
797
798         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
799         target to ask whether a reference to a symbol requires a stack
800         split.
801         * target.h (Target::is_call_to_non_split): New function.
802         (Target::do_is_call_to_non_split): Declare virtual function.
803         * target.cc: Include "symtab.h".
804         (Target::do_is_call_to_non_split): New function.
805         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
806
807 2010-03-10  Cary Coutant  <ccoutant@google.com>
808
809         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
810         (File_read::open[1]): Remove initial mapping of whole_file_view_.
811         (File_read::open[2]): Add whole_file_view_ to list of views.
812         (File_read::make_view): Remove test of whole_file_view_.
813         (File_read::find_or_make_view): Create whole_file_view_ if
814         necessary.
815         (File_read::clear_views): Replace bool parameter with enum;
816         adjust all callers.  Don't delete views with permanent data;
817         do delete cached views and views from archives if
818         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
819         if clearing the corresponding view.
820         * fileread.h (File_read::Clear_views_mode): New enum.
821         (File_read::View::is_permanent_view): New method.
822         (File_read::clear_views): Replace bool parameter
823         with enum; adjust all callers.
824         * options.h (General_options): Change keep_files_mapped option;
825         add map_whole_files.
826         * readsyms.cc (Add_symbols::run): Delete sd_ object before
827         releasing the file.
828         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
829         the file.
830
831 2010-03-10  David S. Miller  <davem@davemloft.net>
832
833         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
834
835 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
836
837         * icf.cc (get_section_contents): Add '@' marker after processing the
838         merge reloc.
839
840 2010-03-08  Doug Kwan  <dougkwan@google.com>
841
842         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
843         due to a conversion warning.
844         (Arm_relobj::update_output_local_symbol_count): Check for local
845         symbol with unset output index.
846
847 2010-03-05  Ian Lance Taylor  <iant@google.com>
848
849         * options.h (class General_options): Add --spare-dynamic-tags.
850         * output.cc (Output_data_dynamic::set_final_data_size): Implement
851         --spare-dynamic-tags.
852
853 2010-03-05  Ian Lance Taylor  <iant@google.com>
854
855         * incremental.cc: Include "libiberty.h".
856
857 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
858
859         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
860         function, is_info_ member.
861         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
862         (Versions::Versions): Update caller.
863         (Versions::define_base_version): Likewise.
864         (Versions::add_def): Likewise.
865
866 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
867
868         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
869         (Scan::possible_function_pointer_reloc): New function.
870         (Scan::local_reloc_may_be_function_pointer): Change to call
871         possible_function_pointer_reloc.
872         (Scan::global_reloc_may_be_function_pointer): Ditto.
873         * icf.h (Icf::check_section_for_function_pointers): Change to reject
874         relocations in ".data.rel.ro._ZTV" section.
875         * testsuite/icf_safe_so_test.sh: Change to pass i386.
876         * testsuite/icf_safe_so_test.cc: Ditto.
877         * testsuite/icf_safe_test.cc: Ditto.
878         * testsuite/icf_safe_test.sh: Ditto.
879
880 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
881             Ian Lance Taylor  <iant@google.com>
882
883         * target-reloc.h (relocate_section): Check the symbol table index
884         for -1U before setting the local symbol index.
885         (scan_relocatable_relocs): If copying the relocation, record that
886         the local symbol is required.
887         * object.h (Symbol_value::is_output_symtab_index_set): New
888         function.
889         (Symbol_value::may_be_discarded_from_output_symtab): New
890         function.
891         (Symbol_value::has_output_symtab_entry): New function.
892         (Symbol_value::needs_output_symtab_entry): Remove.
893         (Symbol_value::output_symtab_index): Make sure the symbol index is
894         set.
895         (Symbol_value::set_output_symtab_index): Make sure the symbol
896         index is not set.  Make sure the new index is valid.
897         (Symbol_value::set_must_have_output_symtab_entry): New function.
898         (Symbol_value::has_output_dynsym_entry): New function.
899         (Symbol_value::set_output_dynsym_index): Make sure the new index
900         is valid.
901         (Sized_relobj::set_must_have_output_symtab_entry): New function.
902         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
903         local symbol if permitted.
904         (Sized_relobj::do_finalize_local_symbols): Call
905         is_output_symtab_index_set rather than needs_output_symtab_entry.
906         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
907         rather than needs_output_symtab_entry.  Call
908         has_output_dynsym_entry rather than needs_output_dynsym_entry.
909         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
910         is_output_symtab_index_set rather than needs_output_symtab_entry.
911         * testsuite/discard_locals_relocatable_test.c: New file.
912         * testsuite/discard_locals_test.sh: Test -r.
913         * testsuite/Makefile.am (check_DATA): Add
914         discard_locals_relocatable_test1.syms,
915         discard_local_relocatable_test2.syms.
916         (MOSTLYCLEANFILES): Likewise.  Also add
917         discard_locals_relocatable_test1.lout and
918         discard_locals_relocatable_test2.out.
919         (discard_locals_relocatable_test1.syms): New target.
920         (discard_locals_relocatable_test.o): New target.
921         (discard_locals_relocatable_test1.out): New target.
922         (discard_locals_relocatable_test2.syms): New target.
923         (discard_locals_relocatable_test2.out): New target.
924         (various): Add missing ../ld-new dependencies.
925         * testsuite/Makefile.in: Rebuild.
926
927 2010-03-03  Nick Clifton  <nickc@redhat.com>
928
929         * po/fi.po: New Finnish translation.
930
931 2010-03-01  Doug Kwan  <dougkwan@google.com>
932
933         * layout.cc (Layout::Layout): Force section types of .init_array*,
934         .preinit_array* and .fini_array* sections.
935         * output.cc (Output_section::Input_section_sort_entry::has_priority):
936         Fix check of return value of std::string::find.().
937         (Output_section::Input_section_sort_compare::operator()): Remove
938         comment about .init_array.
939         (Output_section::Input_section_sort_init_fini_compare::operator()):
940         New method.
941         (Output_section::sort_attached_input_sections): Handle .init_array
942         and .fini_array specially.
943         * output.h (Output_section::Inut_section_sort_compare): Update
944         comment.
945         (Output_section::Input_section_sort_init_fini_compare): New struct.
946
947 2010-02-26  Doug Kwan  <dougkwan@google.com>
948
949         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
950         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
951         * testsuite/debug_msg.sh: Avoid matching source line number for
952         use of global variable undef_int.
953
954 2010-02-26  Doug Kwan  <dougkwan@google.com>
955
956         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
957         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
958         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
959         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
960         * options.cc (General_options::General_options): Initialize member
961         fix_v4bx_.
962         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
963         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
964         and rm_no_fix_v4bx.stdout
965         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
966         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
967         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
968         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
969         and arm_no_fix_v4bx.
970         * Makefile.in: Regenerate.
971         * testsuite/arm_fix_v4bx.s: New file.
972         * testsuite/arm_fix_v4bx.sh: Ditto.
973
974 2010-02-24  Doug Kwan  <dougkwan@google.com>
975
976         * arm.cc (Target_arm::got_section): Make the .got section the first
977         non RELRO section in the data segment.
978         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
979         suffixes of section names.
980
981 2010-02-24  Doug Kwan  <dougkwan@google.com>
982
983         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
984         flags and attributes merging if an input file is a binary file.
985         * fileread.cc (Input_file::open): Record format of original file.
986         * fileread.h (Input_file::Format): New enum type.
987         (Input_file::Input_file): Initialize data member format_.
988         (Input_file::format): New method definition.
989         (Input_file::format_):: New data member.
990
991 2010-02-24  Doug Kwan  <dougkwan@google.com>
992
993         * arm.cc (Arm_output_data_got): New class.
994         (ARM_TCB_SIZE): New constant
995         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
996         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
997         If user uses a script with a SECTIONS clause, issue only a warning
998         for a misplaced EXIDX input section.  Otherwise, issue an error.
999         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1000         garbage collection.
1001         (Target_arm::got_mode_index_entry): Handle static linking.
1002         (Target_arm::Scan::local): Ditto.
1003         (Target_arm::Scan::global): Ditto.
1004         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
1005         all incorrectly implemented relocations.
1006         (Target_arm::fix_exidx_coverage): Pass layout to
1007         Arm_output_section::fix_exidx_coverage.
1008         * layout.cc (Layout::section_name_mapping): Remove trailing dots
1009         from ".ARM.exidx." and ".ARM.extab.".
1010
1011 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1012
1013         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1014         section if it does not already exist.
1015         * attributes.cc (Attributes_section_data::Attributes_section_data):
1016         Don't crash if size is zero.
1017
1018 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1019             Ian Lance Taylor  <iant@google.com>
1020
1021         * gold.cc (queue_middle_tasks): If no input files were opened,
1022         exit.
1023         * workqueue.h (Task_function::Task_function): Assert that there is
1024         a blocker.
1025
1026 2010-02-22  Doug Kwan  <dougkwan@google.com>
1027
1028         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1029         * icf.cc (get_section_contents): Cast snprintf arguments to long long
1030         types to avoid warnings due to different uint64_t implementations
1031         on different hosts.
1032
1033 2010-02-21  Doug Kwan  <dougkwan@google.com>
1034
1035         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1036         handling of the maximum backward branch offset.
1037         (Arm_relocate_functions::thumb_branch_common): Ditto.
1038         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1039         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1040         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1041         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1042         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1043         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1044         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1045         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1046         thumb_bl_out_of_range thumb_bl_out_of_range.o,
1047         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1048         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1049         thumb2_bl_out_of_range.o): New rules.
1050         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1051         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1052         thumb2_bl_out_of_range
1053         * testsuite/Makefile.in: Regenerate.
1054         * testsuite/arm_bl_in_range.s: New file.
1055         * testsuite/arm_bl_out_of_range.s: Ditto.
1056         * testsuite/arm_branch_in_range.sh: Ditto.
1057         * testsuite/arm_branch_range.t: Ditto.
1058         * testsuite/thumb2_branch_range.t: Ditto.
1059         * testsuite/thumb_bl_in_range.s: Ditto.
1060         * testsuite/thumb_bl_out_of_range.s: Ditto.
1061         * testsuite/thumb_branch_range.t: Ditto.
1062
1063 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1064
1065         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1066         Add reloc offset information.
1067         * icf.cc (get_section_contents): Change iterators to point to the new
1068         vectors. Add reloc offset information to the contents.
1069         * icf.h (Icf::Sections_reachable_info): New typedef.
1070         (Icf::Sections_reachable_list): New typedef.
1071         (Icf::Offset_info): New typedef.
1072         (Icf::Reloc_info): New struct typedef.
1073         (Icf::Reloc_info_list): New typedef.
1074         (Icf::symbol_reloc_list): Delete method.
1075         (Icf::addend_reloc_list): Delete method.
1076         (Icf::section_reloc_list): Delete method.
1077         (Icf::reloc_info_list): New method.
1078         (Icf::reloc_info_list_): New member.
1079
1080 2010-02-19  Doug Kwan  <dougkwan@google.com>
1081
1082         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1083         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1084         * arm.cc (Arm_relocation_functions): New forward declaration.
1085         (Target_arm::Target_arm): Initialize new data members
1086         got_mod_index_offset_ and tls_base_symbol_defined_.
1087         (Target_arm::Relocate::relocate_tls): New method.
1088         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1089          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1090         New methods.
1091         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1092         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1093         (Target_arm::got_mod_index_offset_,
1094         Target_arm::tls_base_symbol_defined_): New data members.
1095         (Target_arm::Scan::local, Target::Scan::global,
1096         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1097         relocations.
1098
1099 2010-02-18  Doug Kwan  <dougkwan@google.com>
1100
1101         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1102         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1103         text section as a parameter becuase some broken tools may not set
1104         the link in section header.
1105         (Target_arm::has_got_section): New method.
1106         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1107         without any mapping symbol as data only.  Remove warning.
1108         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1109         link in its section header, try to discover the link by inspecting the
1110         REL31 relocation at the beginning of the section.
1111         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1112         in error message.
1113         (Target_arm::Scan::global): Treat any reference to the symbol
1114         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1115
1116 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1117
1118         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1119         (Scan::global_reloc_may_be_function_pointer): New function.
1120         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1121         (Scan::global_reloc_may_be_function_pointer): New function.
1122         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1123         (Scan::global_reloc_may_be_function_pointer): New function.
1124         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1125         (Scan::global_reloc_may_be_function_pointer): New function.
1126         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1127         (Scan::global_reloc_may_be_function_pointer): New function.
1128         (Scan::possible_function_pointer_reloc): New function.
1129         (Target_x86_64::can_check_for_function_pointers): New function.
1130         * gc.h (gc_process_relocs): Scan relocation types to determine if
1131         function pointers were taken for targets that support it.
1132         * icf.cc (Icf::find_identical_sections): Include functions for
1133         folding in safe ICF whose pointer is not taken.
1134         * icf.h (Secn_fptr_taken_set): New typedef.
1135         (fptr_section_id_): New member.
1136         (section_has_function_pointers): New function.
1137         (set_section_has_function_pointers): New function.
1138         (check_section_for_function_pointers): New function.
1139         * options.h: Fix comment for safe ICF option.
1140         * target.h (can_check_for_function_pointers): New function.
1141         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1142         Modify icf_safe_test for X86-64.
1143         * testsuite/Makefile.in: Regenerate.
1144         * testsuite/icf_safe_so_test.cc: New file.
1145         * testsuite/icf_safe_so_test.sh: New file.
1146         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1147         (main): Change to take pointer to function kept_func_3.
1148         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1149         folding is done correctly for X86-64.
1150
1151 2010-02-12  David S. Miller  <davem@davemloft.net>
1152
1153         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1154         is_symbolless parameter.
1155         (Output_reloc<SHT_REL>::is_symbolless): New.
1156         (Output_reloc<SHT_REL>::is_symbolless_): New.
1157         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1158         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1159         (Output_reloc<SHT_RELA>::is_symbolless): New.
1160         (Output_data_reloc::add_global): Handle is_symbolless.
1161         (Output_data_reloc::add_global_relative): Likewise.
1162         (Output_data_reloc::add_local): Likewise.
1163         (Output_data_reloc::add_local_relative): Likewise.
1164         (Output_data_reloc::add_symbolless_global_addend): New.
1165         (Output_data_reloc::add_symbolless_local_addend): New.
1166         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1167         is_symbolless.
1168         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1169         instead of ->is_relative_
1170         (Output_reloc::write): Likewise.
1171         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1172         (Output_reloc::write_rel): Simplify.
1173
1174         * sparc.cc (Target_sparc::Scan::local): Use
1175         ->add_symbolless_local_addend as needed.
1176         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1177         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1178         based upon relocation offset.
1179
1180 2010-02-11  Doug Kwan  <dougkwan@google.com>
1181
1182         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1183         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1184         beginning of function.
1185         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1186         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1187         parameter is_32bit in calls to should_apply_static_reloc.
1188         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1189         (check_DATA): Add arm_abs_global.stdout.
1190         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1191         arm_abs_global.stdout): New rules.
1192         (MOSTLLYCLEANFILES): Add arm_abs_global
1193         * Makefile.in: Regenerate.
1194         * testsuite/arm_abs_global.s: New file.
1195         * testsuite/arm_abs_global.sh: Ditto.
1196         * testsuite/arm_abs_lib.s: Ditto.
1197
1198 2010-02-11  Ian Lance Taylor  <iant@google.com>
1199
1200         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1201         Read_relocs task.
1202         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1203         Allocate_commons_task first.
1204         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1205         task, rather than symtab_lock_.
1206         (Gc_process_relocs::~Gc_process_relocs): New function.
1207         (Gc_process_relocs::is_runnable): Check this_blocker_.
1208         (Gc_process_relocs::locks): Use next_blocker_ rather than
1209         blocker_.
1210         (Scan_relocs::~Scan_relocs): New function.
1211         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1212         symtab_lock_.
1213         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1214         next_blocker_.
1215         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1216         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1217         constructor accordingly.
1218         (class Gc_process_relocs): Likewise.
1219         (class Scan_relocs): Likewise.
1220         * common.h (class Allocate_commons_task): Remove symtab_lock_
1221         field, and corresponding constructor parameter.
1222         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1223         symtab_lock_.
1224         (Allocate_commons_task::locks): Likewise.
1225
1226 2010-02-11  Ian Lance Taylor  <iant@google.com>
1227
1228         * gold-threads.h (class Once): Define.
1229         (class Initialize_lock): Rewrite as child of Once.
1230         * gold-threads.cc (class Once_initialize): Define.
1231         (once_pointer_control): New static variable.
1232         (once_pointer, once_arg): New static variables.
1233         (c_run_once): New static function.
1234         (Once::Once, Once::run_once, Once::internal_run): New functions.
1235         (class Initialize_lock_once): Remove.
1236         (initialize_lock_control): Remove.
1237         (initialize_lock_pointer): Remove.
1238         (initialize_lock_once): Remove.
1239         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1240         (Initialize_lock::initialize): Rewrite.
1241         (Initialize_lock::do_run_once): New function.
1242         * archive.cc (Archive::interpret_header): Only clear name if it is
1243         not already empty.
1244         * fileread.cc: Include "gold-threads.h"
1245         (file_counts_lock): New static variable.
1246         (file_counts_initialize_lock): Likewise.
1247         (File_read::release): Only increment counts when using --stats.
1248         Use a lock around the increment.
1249         * parameters.cc (class Set_parameters_target_once): Define.
1250         (set_parameters_target_once): New static variable.
1251         (Parameters::Parameters): Move here from parameters.h.
1252         (Parameters::set_target): Rewrite.
1253         (Parameters::set_target_once): New function.
1254         (Parameters::clear_target): Move here and rewrite.
1255         * parameters.h (class Parameters): Update declarations.  Add
1256         set_parameters_target_once_ field.
1257         (Parameters::Parameters): Move to parameters.cc.
1258         (Parameters::clear_target): Likewise.
1259         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1260         task.
1261         (Start_group::~Start_group): New function.
1262         (Start_group::is_runnable): New function.
1263         (Start_group::locks, Start_group::run): New functions.
1264         (Finish_group::run): Change saw_undefined to size_t.
1265         * readsyms.h (class Start_group): Define.
1266         (class Finish_group): Change saw_undefined_ field to size_t.
1267         (Finish_group::Finish_group): Remove saw_undefined and
1268         this_blocker parameters.  Change all callers.
1269         (Finish_group::set_saw_undefined): New function.
1270         (Finish_group::set_blocker): New function.
1271         * symtab.h (class Symbol_table): Change saw_undefined to return
1272         size_t.  Change saw_undefined_ field to size_t.
1273         * target-select.cc (Set_target_once::do_run_once): New function.
1274         (Target_selector::Target_selector): Initialize set_target_once_
1275         field.  Don't initialize lock_ and initialize_lock_ fields.
1276         (Target_selector::instantiate_target): Rewrite.
1277         (Target_selector::set_target): New function.
1278         * target-select.h (class Set_target_once): Define.
1279         (class Target_selector): Update declarations.  Make
1280         Set_target_once a friend.  Remove lock_ and initialize_lock_
1281         fields.  Add set_target_once_ field.
1282
1283 2010-02-10  Ian Lance Taylor  <iant@google.com>
1284
1285         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1286         queueing any tasks.
1287         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1288         (queue_middle_tasks): Add all blockers before queueing any tasks.
1289         (queue_final_tasks): Likewise.
1290         * token.h (Task_token::add_blockers): New function.
1291         * object.h (Input_objects::number_of_relobjs): New function.
1292
1293 2010-02-10  Ian Lance Taylor  <iant@google.com>
1294
1295         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1296         shared, not if not position independent.
1297         * x86_64.cc (Relocate::relocate_tls): Likewise.
1298         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1299         (tls_pie_pic_test): New target.
1300         * testsuite/Makefile.in: Rebuild.
1301
1302         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1303         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1304         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1305         * testsuite/Makefile.in: Rebuild.
1306
1307 2010-02-09  David S. Miller  <davem@davemloft.net>
1308
1309         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1310         R_SPARC_RELATIVE using ->add_local_relative().
1311         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1312
1313         * output.h (Output_data_dynamic::add_section_size): New method
1314         that takes two Output_data objects.
1315         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1316         entry param.  Handle it in initializers.
1317         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1318         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1319         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1320         arg.
1321         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1322         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1323         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1324         for dynrel_includes_plt.
1325         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1326         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1327         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1328         before .rela.plt
1329         (Target_sparc::do_finalize_sections): Update to pass true for
1330         dynrel_includes_plt.
1331         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1332         output before .rela.plt
1333         (Target_powerpc::do_finalize_sections): Update to pass true for
1334         dynrel_includes_plt when 32-bit.
1335
1336 2010-02-08  Doug Kwan  <dougkwan@google.com>
1337
1338         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1339         method.
1340         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1341         Arm_relobj::scan_section_for_cortex_a8_stubs,
1342         Arm_relobj::do_relocation_section): Instead of calling
1343         Output_section::output_address, use faster
1344         Arm_relobj::simple_input_section_output_address.
1345
1346 2010-02-08  David S. Miller  <davem@davemloft.net>
1347
1348         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1349         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1350         relocation helper function.
1351
1352         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1353         just like R_SPARC_GOT{10,13,22}.
1354         (Target_sparc::Scan::local): Likewise.
1355         (Target_sparc::Relocate:relocate): Likewise.
1356
1357 2010-02-06  Ian Lance Taylor  <iant@google.com>
1358
1359         * configure.ac: Rewrite targetobjs duplicate removal code to use
1360         only shell constructs.
1361         * configure: Rebuild.
1362
1363 2010-02-05  Doug Kwan  <dougkwan@google.com>
1364
1365         PR 11247
1366         * arm.cc (Arm_relobj::section_is_scannable): New method.
1367         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1368         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1369
1370 2010-02-04  Doug Kwan  <dougkwan@google.com>
1371
1372         PR 11247
1373         * arm-reloc-property.cc (cstdio): Include.
1374         * configure.ac (targetobjs): Remove duplicates.
1375         * configure: Regenerate.
1376         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1377         big and little endian version for a given address size.
1378
1379 2010-02-03  Doug Kwan  <dougkwan@google.com>
1380
1381         * arm-reloc-property.cc
1382         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1383         definition.
1384         * arm-reloc-property.h
1385         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1386         New method definition.
1387         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1388         declaration.
1389         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1390         overflow to N.
1391         (GOT_PREL): Change implemented to Y.
1392         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1393         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1394         (Arm_relocate_functions::movw_abs_nc): Remove method.
1395         (Arm_relocate_functions::movt_abs): Ditto.
1396         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1397         (Arm_relocate_functions::thm_movt_abs): Ditto.
1398         (Arm_relocate_functions::movw_rel_nc): Ditto.
1399         (Arm_relocate_functions::movw_rel): Ditto.
1400         (Arm_relocate_functions::movt_rel): Ditto.
1401         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1402         (Arm_relocate_functions:thm_movw_rel): Ditto.
1403         (Arm_relocate_functions:thm_movt_rel): Ditto.
1404         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1405         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1406         New method definitions.
1407         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1408         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1409         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1410         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1411         (Target_arm::Relocate::relocate): Check for non-static or
1412         unimplemented relocation code and exit early.  Change calls to
1413         Target_arm::reloc_uses_thumb_bit and
1414         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1415         instead.  Refactor code to handle similar relocations to increase
1416         code sharing.  Remove check for unsupported relocation code in switch
1417         statement.
1418         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1419         relocation property table to find out size.  Change error message to
1420         print out the name of a relocation code instead of the numeric value.
1421         (Target_arm::scan_reloc_for_stub): Use relocation property table
1422         instead of calling Target_arm::reloc_uses_thumb_bit().
1423
1424 2010-02-02  Doug Kwan  <dougkwan@google.com>
1425
1426         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1427         types of relaxed input section.
1428
1429 2010-02-02  Doug Kwan  <dougkwan@google.com>
1430
1431         * Makefile.am (HFILES): Add arm-reloc-property.h.
1432         (DEFFILES): New.
1433         (TARGETSOURCES): Add arm-reloc-property.cc
1434         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1435         (libgold_a_SOURCES): $(DEFFILES)
1436         * Makefile.in: Regenerate.
1437         * arm-reloc-property.cc: New file.
1438         * arm-reloc-property.h: New file.
1439         * arm-reloc.def: New file.
1440         * arm.cc: Update comments.
1441         (arm-reloc-property.h): New included header.
1442         (arm_reloc_property_table): New global variable.
1443         (Target_arm::do_select_as_default_target): New method definition.
1444         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1445         arm-reloc-property to targ_extra_obj.
1446         * parameters.cc (set_parameters_target): Call
1447         Target::select_as_default_target().
1448         * target.h (Target::select_as_default_target): New method definition.
1449         (Target::do_select_as_default_target): Same.
1450
1451 2010-02-01  Doug Kwan  <dougkwan@google.com>
1452
1453         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1454         first_output_text_section_.
1455         (Arm_exidx_fixup::first_output_text_section): New method definition.
1456         (Arm_exidx_fixup::first_output_text_section_): New data member.
1457         (Arm_exidx_fixup::process_exidx_section): Record the first text
1458         output section seen.
1459         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1460         and entsize in output section header.
1461
1462 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1463
1464         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1465         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1466         (Arm_relocate_functions::thm_alu11): New Method.
1467         (Arm_relocate_functions::thm_pc8): New Method.
1468         (Arm_relocate_functions::thm_pc12): New Method.
1469         (Target_arm::Scan::local): Handle the relocations.
1470         (Target_arm::Scan::global): Likewise.
1471         (Target_arm::Relocate::relocate): Likewise.
1472         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1473
1474 2010-01-29  Doug Kwan  <dougkwan@google.com>
1475
1476         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1477         of relocation types as ld.
1478
1479 2010-01-29  Doug Kwan  <dougkwan@google.com>
1480
1481         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1482         to public.
1483         (Arm_relocate_functions::thumb_branch_common): Ditto.
1484         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1485         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1486         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1487         Arm_relocate_functions::jump24): Remove.
1488         (Target_arm::Relocate::relocate): Adjust code to call
1489         Arm_relocation_functions::arm_branch_common and
1490         Arm_relocation_functions::thumb_branch_common instead of their removed
1491         wrappers.  Merge switch-cases together to reduce source code size.
1492
1493 2010-01-29  Doug Kwan  <dougkwan@google.com>
1494
1495         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1496         output_local_symbol_count_needs_update_.
1497         (Arm_relobj::output_local_symbol_count_needs_update,
1498          Arm_relobj::set_output_local_symbol_count_needs_update,
1499          Arm_relobj::update_output_local_symbol_count): New methods.
1500         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1501         member.
1502         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1503         of pointed function as in a R_ARM_PREL31 relocation.
1504         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1505         for output local symbol count updating.
1506         (Target_arm::do_relax): Update output local symbol counts in objects
1507         if necessary.
1508         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1509
1510 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1511
1512         * arm.cc: Added support for the ARM relocations:
1513         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1514         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1515         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1516         movw_prel_nc).
1517         (Arm_relocate_functions::movw_rel): New method.
1518         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1519         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1520         thm_movw_prel_nc).
1521         (Arm_relocate_functions::thm_movw_rel): New method.
1522         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1523         thm_movt_prel).
1524         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1525         relocations.
1526         (Target_arm::Scan::global): Likewise.
1527         (Target_arm::Relocate::relocate): Likewise.
1528         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1529         Likewise.
1530
1531 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1532
1533         * arm.cc: Added support for ARM group relocations.
1534         (Target_arm::reloc_needs_sym_origin): New method.
1535         (Arm_relocate_functions::calc_grp_kn): New method.
1536         (Arm_relocate_functions::calc_grp_residual): New method.
1537         (Arm_relocate_functions::calc_grp_gn): New method.
1538         (Arm_relocate_functions::arm_grp_alu): New Method.
1539         (Arm_relocate_functions::arm_grp_ldr): New Method.
1540         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1541         (Arm_relocate_functions::arm_grp_ldc): New Method.
1542         (Target_arm::Scan::local): Handle the ARM group relocations.
1543         (Target_arm::Scan::global): Likewise.
1544         (Target_arm::Relocate::relocate): Likewise.
1545         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1546         Likewise.
1547
1548 2010-01-26  Doug Kwan  <dougkwan@google.com>
1549
1550         * arm.cc (set): Include.
1551         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1552         pointer type.
1553         (Arm_output_section::Text_section_list): New type.
1554         (Arm_output_section::append_text_sections_to_list): New method.
1555         (Arm_output_section::fix_exidx_coverage): Ditto.
1556         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1557         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1558         Relobj::set_section_offset() instead of
1559         Sized_relobj::invalidate_section_offset().
1560         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1561         parameter for section headers. Ignore relocation sections for
1562         unallocated sections and EXIDX sections.
1563         (Target_arm::fix_exidx_coverage): New method.
1564         (Target_arm::output_section_address_less_than): New type.
1565         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1566         linked text section instead of the EXIDX section.
1567         (Arm_output_section::create_stub_group): Add an assertion to check
1568         that this is not an EXIDX output section.
1569         (Arm_output_section::append_text_sections_to_list): New method.
1570         (Arm_output_section::fix_exidx_coverage): Ditto.
1571         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1572         Arm_relobj::section_needs_reloc_stub_scanning.
1573         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1574         first pass.
1575         (Target_arm::fix_exidx_coverage): New method.
1576         * object.h (Relobj::set_output_section): New method.
1577         (Sized_relobj::invalidate_section_offset): Remove method.
1578         (Sized_relobj::do_invalidate_section_offset): Remove method.
1579         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1580
1581 2010-01-25  Doug Kwan  <dougkwan@google.com>
1582
1583         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1584         Fix warning due to signed and unsigned comparison on a 32-bit host.
1585
1586 2010-01-22  Doug Kwan  <dougkwan@google.com>
1587
1588         * arm.cc (Target_arm::do_relax): Record an output section for section
1589         offset adjustment it contains any stub table that has changed.
1590         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1591         offsets in an output section if necessary.
1592         * output.cc (Output_section::Output_section): Initialize
1593         section_offsets_need_adjustments_.
1594         (Output_section::add_input_section_for_script): Renamed to
1595         Output_section::add_simple_input_section.
1596         (Output_section::save_states): Add a comment.
1597         (Output_section::discard_states): New method defintion.
1598         (Output_section::adjust_section_offsets): Same.
1599         * output.h (Output_section::add_input_section_for_script): Renamed to
1600         Output_section::add_simple_input_section.
1601         (Output_section::discard_states): New method declaration.
1602         (Output_section::adjust_section_offsets): Same.
1603         (Output_section::section_offsets_need_adjustment,
1604         Output_section::set_section_offsets_need_adjustment): New method
1605         definitions.
1606         (Output_section::section_offsets_need_adjustment_): New data member.
1607         * script-sections.cc
1608         (Output_section_element_input::set_section_address): Adjust code for
1609         renaming of Output_section::add_input_section_for_script.
1610         (Orphan_output_section::set_section_address): Same.
1611
1612 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1613
1614         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1615         Fix_v4bx enum values .
1616         * gold/options.h (General_options): New option definitions.
1617         (General_options::fix_v4bx): New method.
1618         (General_options::Fix_v4bx): New enum.
1619         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1620         (General_options::parse_fix_v4bx_interworking): New method.
1621
1622 2010-01-22  Doug Kwan  <dougkwan@google.com>
1623
1624         * arm.cc (Arm_exidx_fixup): New class.
1625
1626 2010-01-21  Doug Kwan  <dougkwan@google.com>
1627
1628         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1629         classes.
1630         (Arm_exidx_section_offset_map): New type.
1631
1632 2010-01-21  Doug Kwan  <dougkwan@google.com>
1633
1634         * arm.cc (Arm_exidx_input_section): New class.
1635         (Arm_relobj::exidx_input_section_by_link,
1636         Arm_relobj::exidx_input_section_by_shndx,
1637         Arm_relobj::make_exidx_input_section): New methods.
1638         (read_arm_attributes_section): Remove.
1639         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1640         information about them.
1641         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1642         to here.
1643
1644 2010-01-20  Doug Kwan  <dougkwan@google.com>
1645
1646         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1647         Input_section_specifier to Section_id.
1648         (Target_arm::new_arm_input_section: Adjust code for change of key
1649         type.
1650         (Target_arm::find_arm_input_section): Ditto.
1651         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1652         (Section_id): Remove.
1653         (Garbage_collection::Section_id_hash): Remove.
1654         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1655         (Section_id): Remove.
1656         (Icf::Section_id_hash): Remove.
1657         * object.h (Section_id, Const_section_id, Section_id_hash,
1658         Const_section_id_hash): New type definitions.
1659         * output.cc (Output_section::add_relaxed_input_section): Change to
1660         use Const_section_id instead of Input_section_specifier as key type.
1661         (Output_section::add_merge_input_section): Ditto.
1662         (Output_section::build_relaxation_map): Change to use Section_id
1663         instead of Input_section_specifier as key type.
1664         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1665         Ditto.
1666         (Output_section::convert_input_sections_to_relaxed_sections): Change
1667         to use Const_section_id instead of Input_section_specifier as key type.
1668         (Output_section::find_merge_section): Ditto.
1669         (Output_section::find_relaxed_input_section): Ditto.
1670         * output.h (Input_section_specifier): Remove class.
1671         (Output_section::Output_section_data_by_input_section_map): Change
1672         key type to Const_section_id.
1673         (Output_section::Output_relaxed_input_section_by_input_section_map):
1674         Ditto.
1675         (Output_section::Relaxation_map): Change key type to Section_id.
1676
1677 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1678
1679         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1680         (class Arm_v4bx_stub): New class.
1681         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1682         (Stub_factory::make_arm_v4bx_stub): New method.
1683         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1684         (Stub_table::empty): Handle v4bx stubs.
1685         (Stub_table::add_arm_v4bx_stub): New method.
1686         (Stub_table::find_arm_v4bx_stub): New method.
1687         (Arm_relocate_functions::v4bx): New method.
1688         (Target_arm::fix_v4bx): New method.
1689         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1690         (Stub_table::relocate_stubs): Likewise.
1691         (Stub_table::do_write): Likewise.
1692         (Stub_table::update_data_size_and_addralign): Likewise.
1693         (Stub_table::finalize_stubs):  Likewise.
1694         (Target_arm::Scan::local): Likewise.
1695         (Target_arm::Scan::global): Likewise.
1696         (Target_arm::do_finalize_sections): Likewise.
1697         (Target_arm::Relocate::relocate): Likewise.
1698         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1699         Likewise.
1700         (Target_arm::scan_reloc_for_stub): Likewise.
1701         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1702
1703 2010-01-19  Ian Lance Taylor  <iant@google.com>
1704
1705         * output.cc (Output_section_headers::do_sized_write): Write large
1706         segment count to sh_info field.
1707         (Output_file_header::do_sized_write): For large segment count,
1708         write PN_XNUM to e_phnum field.
1709
1710 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1711
1712         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1713         (Arm_relocate_functions::thm_jump8): New function.
1714         (Arm_relocate_functions::thm_jump11): New function.
1715         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1716         R_ARM_THM_JUMP11.
1717         (Target_arm::Scan::global): Likewise.
1718         (Target_arm::Relocate::relocate): Likewise.
1719         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1720         Likewise.
1721
1722 2010-01-14  Doug Kwan  <dougkwan@google.com>
1723
1724         * arm.cc (map, utility): Include headers.
1725         (Target_arm::apply_cortex_a8_workaround): New method.
1726         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1727         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1728         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1729         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1730         the --[no-]fix-cortex-a8 command line options.
1731         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1732         (Target_arm::relocate_stub): Use addend in instruction template.
1733         * options.h (DEFINE_bool): Set the user-set flag.
1734         (General_options): Add --[no-]-fix-cortex options.
1735         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1736         : Update fast look-up map after conversion.
1737
1738 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1739
1740         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1741         in the first pass of do_layout.
1742
1743 2010-01-13  Doug Kwan  <dougkwan@google.com>
1744
1745         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1746         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1747         apparent compiler problem of not folding static constant integral
1748         data members of elfcpp::Elf_sizes<32>.
1749
1750 2010-01-13  Doug Kwan  <dougkwan@google.com>
1751
1752         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1753         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1754         Arm_relobj::scan_section_for_cortex_a8_erratum,
1755         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1756         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1757         sections to scan for relocation stubs into a new method
1758         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1759         relocation and Cortex-A8 stub scanning.
1760         (Target_arm::do_relax): Force stubs to be after stubbed sections
1761         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1762         the beginning of a new relaxation pass.  Update a comment.
1763         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1764
1765 2010-01-12  Ian Lance Taylor  <iant@google.com>
1766
1767         * target-reloc.h (visibility_error): New inline function.
1768         (relocate_section): Call visibility_error.
1769         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1770         (MOSTLYCLEANFILES): Likewise.
1771         (protected_4_pic.o, protected_3.err): New targets.
1772         * testsuite/protected_4.cc: New file.
1773
1774 2010-01-12  Doug Kwan  <dougkwan@google.com>
1775
1776         * arm.cc (Cortex_a8_reloc): New class.
1777         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1778         and cortex_a8_relocs_info_.
1779         (Target_arm::fix_cortex_a8): New method definition.
1780         (Target_arm::Cortex_a8_relocs_info): New type.
1781         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1782         New data member declarations.
1783         (Target_arm::scan_reloc_for_stub): Record information about
1784         relocations for THUMB branches that might be exempted from the
1785         Cortex-A8 workaround.
1786         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1787         at the beginning of a relaxation pass.
1788
1789 2010-01-12  Doug Kwan  <dougkwan@google.com>
1790
1791         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1792         (Arm_relobj::Mapping_symbol_position,
1793          Arm_reloj::Mapping_symbol_position_less,
1794          Arm_relobj::Mapping_symbols_info): New types.
1795         (Target_arm::is_mapping_symbol_name): New method definition.
1796         (Arm_relobj::do_count_local_symbols): Save information about mapping
1797         symbols.
1798
1799 2010-01-11  Doug Kwan  <dougkwan@google.com>
1800
1801         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1802         Arm_relocate_functions::thumb32_branch_upper,
1803         Arm_relocate_functions::thumb32_branch_lower,
1804         Arm_relocate_functions::thumb32_cond_branch_offset,
1805         Arm_relocate_functions::thumb32_cond_branch_upper,
1806         Arm_relocate_functions::thumb32_cond_branch_lower,
1807         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1808         branch offset encoding.
1809         (Arm_relocate_functions::thumb_branch_common): Use new branch
1810         offset encoding methods to avoid code duplication.
1811         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1812         (Stub_addend_reader::operator()): Use new branch encoding method
1813         to avoid code duplication.
1814
1815 2010-01-11  Doug Kwan  <dougkwan@google.com>
1816
1817         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1818         (Target_arm::do_finalize_sections): Define special EXIDX section
1819         symbols only if referenced.
1820         * gc.h (Garbage_collection::add_reference): New method.
1821         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1822         code duplication.
1823
1824 2010-01-11  Ian Lance Taylor  <iant@google.com>
1825
1826         * script.cc (Version_script_info::build_expression_list_lookup):
1827         Change complaing about duplicate wildcard match from error to
1828         warning.
1829
1830         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1831         of 2009-12-30.
1832         (Version_script_info::Version_script_info): Initialize globs_,
1833         default_version_, default_is_global_, and exact_.  Don't
1834         initialize globals_ or locals_.
1835         (Version_script_info::build_lookup_tables): Build local symbols
1836         first.
1837         (Version_script_info::unquote): New function.
1838         (Version_script_info::add_exact_match): New function.
1839         (Version_script_info::build_expression_list_lookup): Remove lookup
1840         parameter.  Add is_global parameter.  Change all callers.  Handle
1841         wildcard pattern specially.  Unquote pattern.  Call
1842         add_exact_match.
1843         (Version_script_info::get_name_to_match): New function.
1844         (Version_script_info::get_symbol_version): New function.
1845         (Version_script_info::get_symbol_version_helper): Remove.
1846         (Version_script_info::check_unmatched_names): Call unquote.
1847         * script.h (class Version_script_info): Change get_symbol_version
1848         to be non-inline and add is_global parameter; change all callers.
1849         Rewrite symbol_is_local.  Update declarations.  Define struct
1850         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1851         Remove globals_ and locals_ members.  Add exact_, globs_,
1852         default_version_, is_global_.
1853         (Version_script_info::Glob): Remove pattern, add expression and
1854         is_global.  Update constructor.  Change all callers.
1855         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1856         default version.
1857         (Versions::symbol_section_contents): If a symbol is undefined, or
1858         defined in a dynamic object, set the version index to
1859         VER_NDX_LOCAL.
1860         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1861         symbol_is_local.
1862         (Symbol_table::add_from_pluginobj): Likewise.
1863         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1864
1865 2010-01-11  Doug Kwan  <dougkwan@google.com>
1866
1867         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1868         (incremental_dump_LDADD): Add linking option for libintl.
1869         * Makefile.in: Regenerate.
1870
1871 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1872
1873         PR gold/11144
1874         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1875         instead of -Ds.
1876         * testsuite/Makefile.in: Regenerated.
1877
1878 2010-01-10  Doug Kwan  <dougkwan@google.com>
1879
1880         * options.h (DEFINE_var): Use parentheses around argument varname__
1881         in macro body to avoid any unintended subsequent substitutions.
1882
1883 2010-01-10  Ian Lance Taylor  <iant@google.com>
1884
1885         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1886         candidates before doing symbol resolution.
1887
1888         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1889         ODR candidates if only one is weak.
1890
1891 2010-01-08  Ian Lance Taylor  <iant@google.com>
1892
1893         * script.cc (Version_script_info::build_expression_list_lookup):
1894         Don't warn about ambiguous version, just record the ambiguity.
1895         (Version_script_info::get_symbol_version_helper): Give error if
1896         version is ambiguous.
1897
1898 2010-01-08  Doug Kwan  <dougkwan@google.com>
1899
1900         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1901           prev_data_size_ and prev_addralign_.  Remove initializer for
1902           deleted data member has_been_changed_.
1903           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1904           to determine if the table is empty.
1905           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1906           Remove.
1907           (Stub_table::add_reloc_stub): Define method in class definition
1908           instead of just declaring it there.
1909           (Stub_table::add_cortex_a8_stub): New method definition.
1910           (Stub_table::update_data_size_and_addralign): Ditto.
1911           (Stub_table::finalize_stubs): Ditto.
1912           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1913           (Stub_table::do_addralign_): Return address alignment in the
1914           (Stub_table::do_reset_address_and_file_offset): Define method in
1915           class definition instead of declaring it there.  Set current data
1916           size to be the data size of the previous pass.
1917           (Stub_table::set_final_data_size): Use current data size as the
1918           final data size.
1919           (Stub_table::relocate_stub): Change parameter type of stub from
1920           Reloc_stub pointer to Stub pointer.
1921           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1922           (Stub_table::Cortex_a8_stub_list): New typedef.
1923           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1924            Stub_table::prev_addralign_): New data member.
1925           (Arm_relobj::Arm_relobj): Initialize data member
1926           section_has_cortex_a8_workaround_.
1927           (Arm_relobj::section_has_cortex_a8_workaround,
1928            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1929            definitions.
1930           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1931           declarations.
1932           (Target_arm::relocate_stub): Change parameter type of stub from
1933           Reloc_stub pointer to Stub pointer.
1934           (Insn_template::size, Insn_template::alignment): Handle
1935           THUMB16_SPECIAL_TYPE.
1936           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1937            Stub_table::update_data_size_and_addralign,
1938            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1939           definitions.
1940           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1941           (Stub_table::do_write): Ditto.
1942           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1943
1944 2010-01-08  Ian Lance Taylor  <iant@google.com>
1945
1946         PR 11108
1947         * symtab.h (class Symbol): Remove fields is_target_special_ and
1948         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1949         (Symbol::is_defined_in_discarded_section): New function.
1950         (Symbol::set_is_defined_in_discarded_section): New function.
1951         (Symbol::has_plt_offset): Rewrite.
1952         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1953         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1954         Don't initialize is_target_special_ or has_plt_offset_.
1955         Initialize is_defined_in_discarded_section_.
1956         (Symbol_table::add_from_relobj): If appropriate, set
1957         is_defined_in_discarded_section.
1958         * resolve.cc (Symbol::override_base_with_special): Don't test
1959         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1960         * target-reloc.h (relocate_section): Do special handling for
1961         symbols defined in discarded sections for global symbols as well
1962         as local symbols.
1963
1964 2010-01-08  Ian Lance Taylor  <iant@google.com>
1965
1966         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1967         the SHT_SYMTAB case.
1968
1969 2010-01-08  Ian Lance Taylor  <iant@google.com>
1970
1971         * object.cc (Sized_relobj::do_layout): Don't get confused if
1972         layout_eh_frame returns NULL.
1973
1974 2010-01-08  Ian Lance Taylor  <iant@google.com>
1975
1976         PR 11084
1977         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1978         dynamic symbol table, use the normal symbol table.
1979         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1980         symbol table.
1981
1982 2010-01-08  Ian Lance Taylor  <iant@google.com>
1983
1984         PR 11072
1985         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1986         sections.
1987
1988 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1989
1990         * version.cc (print_version): Change to "Copyright 2010".
1991
1992 2010-01-08  Ian Lance Taylor  <iant@google.com>
1993
1994         PR 10287
1995         PR 11063
1996         * i386.cc (class Target_i386): Change return type of plt_section
1997         to be non-const.
1998         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1999         (Output_data_plt_i386::Output_data_plt_i386): Initialize
2000         tls_desc_rel_ field.
2001         (Output_data_plt_i386::rel_tls_desc): New function.
2002         (Target_i386::rel_tls_desc_section): New function.
2003         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2004         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2005         R_386_TLS_DESC reloc in rel_tls_desc_section.
2006         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2007         Define struct Tlsdesc_info.
2008         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2009         (Target_x86_64::do_reloc_symbol_index): New function.
2010         (Target_x86_64::add_tlsdesc_info): New function.
2011         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2012         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2013         tlsdesc_rel_ field.
2014         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
2015         all callers.
2016         (Output_data_plt_x86_64::rela_tlsdesc): New function.
2017         (Target_x86_64::rela_tlsdesc_section): New function.
2018         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2019         handling.
2020         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2021         (Target_x86_64::do_reloc_addend): New function.
2022         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2023         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2024         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
2025         (Output_reloc::type): New function.
2026         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2027         (Output_reloc::is_target_specific): New function.
2028         (Output_reloc::target_arg): New function.
2029         (class Output_reloc) [SHT_RELA]: Add four new constructors for
2030         absolute relocs and target specific relocs.
2031         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2032         add_target_specific.
2033         (class Output_data_reloc) [SHT_RELA]: Likewise.
2034         * output.cc (Output_reloc::Output_reloc): Add four new versions
2035         for absolute relocs and target specific relocs.
2036         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2037         (Output_reloc::get_symbol_index): Likewise.
2038         (Output_reloc::local_section_offset): Check that local_sym_index_
2039         is not TARGET_CODE or 0.
2040         (Output_reloc::symbol_value): Likewise.
2041         (Output_reloc::write) [SHT_RELA]: Call target for target specific
2042         reloc.
2043         * target.h (class Target): Add reloc_symbol_index and reloc_addend
2044         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
2045         functions.
2046         * layout.cc (add_target_dynamic_tags): Use output section for
2047         DT_PLTRELSZ and DT_JMPREL.
2048
2049 2010-01-07  Ian Lance Taylor  <iant@google.com>
2050
2051         PR 11061
2052         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2053         function.
2054         (class Output_data_reloc_generic): Define.
2055         (class Output_data_reloc_base): Change base class to
2056         Output_data_reloc_generic.  Change add() method to call
2057         bump_relative_reloc_count for a relative reloc.  Remove
2058         sort_relocs_ field.
2059         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2060         to sort_relocs().
2061         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2062         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2063         appropriate.
2064         * layout.h (class Layout): Update declaration.
2065
2066 2010-01-07  Ian Lance Taylor  <iant@google.com>
2067
2068         * output.h (class Output_data): Add const version of
2069         output_section and do_output_section.
2070         (class Output_section_data): Add const version of
2071         do_output_section.
2072         (class Output_section): Likewise.
2073         * layout.cc (Layout::add_target_dynamic_tags): New function.
2074         * layout.h (class Layout): Update declarations.
2075         * arm.cc (Target_arm::do_finalize_sections): Use
2076         add_target_dynamic_tags.
2077         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2078         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2079         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2080         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2081
2082 2010-01-07  Ian Lance Taylor  <iant@google.com>
2083
2084         PR 11042
2085         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2086         object as needed.
2087
2088 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2089             Ian Lance Taylor  <iant@google.com>
2090
2091         PR 11019
2092         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2093         Xindex::read_symtab_xindex.
2094
2095 2010-01-07  Doug Kwan  <dougkwan@google.com>
2096
2097         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2098         (Insn_template::thumb16_bcond_insn): New method declaration.
2099         (Insn_template): Fix spelling.
2100         (Stub::thumb16_special): New method declaration.
2101         (Stub::do_write): Define virtual method which was previously pure
2102         virtual.
2103         (Stub::do_thumb16_special): New method declaration.
2104         (Stub::do_fixed_endian_write): New template member.
2105         (Reloc_stub::do_write): Remove.
2106         (Reloc_stub::do_fixed_endian_write): Remove.
2107         (Cortex_a8_stub): New class definition.
2108         (Stub_factory::make_cortex_a8_stub): New method definition.
2109         (Stub_factory::Stub_factory): Add missing static storage class
2110         qualifier for elf32_arm_stub_a8_veneer_blx.
2111
2112 2010-01-07  Ian Lance Taylor  <iant@google.com>
2113
2114         PR 10980
2115         * options.h (class General_options): Add --warn-unresolved-symbols
2116         and --error-unresolved-symbols.
2117         * errors.cc (Errors::undefined_symbol): Implement
2118         --warn-unresolved-symbols.
2119
2120         * options.h (class General_options): Add -z text and -z textoff.
2121         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2122
2123 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2124
2125         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2126         (Garbage_collection::cident_sections): New function.
2127         (Garbage_collection::add_cident_section): New function.
2128         (Garbage_collection::cident_sections_): New member.
2129         (gc_process_relocs): Add references to sections whose names are C
2130         identifiers.
2131         * gold.h (cident_section_start_prefix): New constant.
2132         (cident_section_stop_prefix): New constant.
2133         (is_cident): New function.
2134         * layout.cc (Layout::define_section_symbols): Replace string constants
2135         with the newly defined constants.
2136         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2137         C identifiers.
2138         * testsuite/Makefile.am: Add gc_orphan_section_test.
2139         * testsuite/Makefile.in: Regenerate.
2140         * testsuite/gc_orphan_section_test.cc: New file.
2141         * testsuite/gc_orphan_section_test.sh: New file.
2142
2143 2010-01-06  Ian Lance Taylor  <iant@google.com>
2144
2145         PR 10980
2146         * options.h (class General_options): Add --warn-shared-textrel.
2147         * layout.cc (Layout::finish_dynamic_section): Implement
2148         --warn-shared-textrel.
2149
2150         PR 10980
2151         * options.h (class General_options): Add --warn-multiple-gp.
2152
2153 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2154
2155         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2156         $(THREADSLIB) and $(LIBDL).
2157         * Makefile.in: Rebuild.
2158
2159 2010-01-06  Ian Lance Taylor  <iant@google.com>
2160
2161         PR 10980
2162         * options.cc (General_options::parse_section_start): New function.
2163         (General_options::section_start): New function.
2164         (General_options::General_options): Initialize all members.
2165         * options.h: Include <map>
2166         (class General_options): Add --section-start.  Add section_starts_
2167         member.
2168         * layout.cc (Layout::attach_allocated_section_to_segment): If
2169         --section-start was used, set the address of the segment.  Remove
2170         local sort_sections.
2171         (Layout::relaxation_loop_body): If the address of the load segment
2172         has been set by --section-start, don't use it.
2173         * output.h (Output_segment::update_flags_for_output_section): New
2174         function.
2175         * output.cc (Output_segment::add_output_section): Call
2176         update_flags_for_output_section.
2177
2178 2010-01-05  Ian Lance Taylor  <iant@google.com>
2179
2180         PR 10980
2181         * options.h (class General_options): Add --undefined-version.
2182         * script.cc (struct Version_expression): Add was_matched_by_symbol
2183         field.
2184         (Version_script_info::matched_symbol): New function.
2185         (Version_script_info::get_symbol_version_helper): Call
2186         matched_symbol.
2187         (Version_script_info::check_unmatched_names): New function.
2188         * script.h (class Version_script_info): Update declarations.
2189         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2190
2191         * options.h (class General_options): Use DEFINE_bool_alias for
2192         allow_multiple_definition.
2193         * resolve.cc (Symbol_table::should_override): Don't test
2194         allow_multiple_definition.
2195
2196         PR 10980
2197         * options.h (class General_options): Add --cref.
2198         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2199         until after printing cref table.
2200         * cref.cc: Include "symtab.h".
2201         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2202         (Cref_table_compare::operator()): New function.
2203         (Cref_inputs::gather_cref): New function.
2204         (filecol): New static const.
2205         (Cref_inputs::print_cref): New function.
2206         (Cref::print_cref): New function.
2207         * cref.h: Include <cstdio>.
2208         (class Cref): Update declarations.
2209         * mapfile.h (Mapfile::file): New function.
2210         * object.h (class Object): Define Symbols.  Declare virtual
2211         do_get_global_symbols.
2212         (Object::get_global_symbols): New function.
2213         * object.cc (Input_objects::add_object): Pass object to cref_ if
2214         --cref.
2215         (Input_objects::archive_start): Likewise.
2216         (Input_objects::archive_stop): Likewise.
2217         (Input_objects::print_cref): New function.
2218         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2219         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2220         --cref.
2221         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2222         function.
2223         * plugin.h (class Sized_pluginobj): Update declarations.
2224
2225 2010-01-05  Ian Lance Taylor  <iant@google.com>
2226
2227         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2228         to is_default_version.  Rename insdef to insdefault.
2229         (Symbol_table::add_from_relobj): Rename def to is_default_version
2230         and local to is_forced_local.
2231         (Symbol_table::add_from_pluginobj): Likewise.
2232         (Symbol_table::add_from_dynobj): Likewise.
2233         (Symbol_table::define_special_symbol): Rename insdef to
2234         insdefault.
2235
2236 2010-01-04  Ian Lance Taylor  <iant@google.com>
2237
2238         PR 10980
2239         * options.h (class General_options): Add
2240         --allow-multiple-definition and -z muldefs.
2241         * resolve.cc (Symbol_table::should_override): Don't warn about a
2242         multiple symbol definition if --allow-multiple-definition or -z
2243         muldefs.
2244
2245         PR 10980
2246         * options.h (class General_options): Add --add-needed and
2247         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2248         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2249         error if --copy-dt-needed-entries aka --add-needed is used and
2250         would cause a change in behaviour.
2251
2252         PR 10980
2253         * options.h (class General_options): Add -G as a short version of
2254         --shared.  Add no-op options -assert, -g, and -i.
2255
2256 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2257
2258         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2259         check for .text or .gnu.linkonce.t sections.
2260         * icf.cc (Icf::find_identical_sections): Ditto.
2261         Change the detection for mangled function name within the section
2262         name.
2263         * icf.h (is_section_foldable_candidate): New function.
2264
2265 2009-12-30  Ian Lance Taylor  <iant@google.com>
2266
2267         PR 10980
2268         * options.h (class General_options): Permit two dashes with
2269         --retain-symbols-file.
2270
2271 2009-12-30  Ian Lance Taylor  <iant@google.com>
2272
2273         PR 10979
2274         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2275         don't put the file header and segment headers in the text
2276         segment.
2277
2278         PR 10979
2279         * common.cc (Sort_commons::operator()): Stabilize sort when both
2280         entries are NULL.
2281         (Symbol_table::do_allocate_commons_list): When allocating common
2282         symbols, skip a symbol which is no longer common.
2283         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2284         an object before checking its type.
2285         * testsuite/common_test_2.c: New file.
2286         * testsuite/common_test_3.c: New file.
2287         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2288         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2289         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2290         (common_test_2_pic.o, common_test_2.so): New targets.
2291         (common_test_3_pic.o, common_test_3.so): New targets.
2292         * testsuite/Makefile.in: Rebuild.
2293
2294         PR 10979
2295         * script.cc (read_input_script): If we see a new SECTIONS clause,
2296         and we have added an input section, give an error.
2297         * layout.h (class Layout): Add have_added_input_section function.
2298         Add have_added_input_section_ field.
2299         * layout.cc (Layout::Layout): Initialize
2300         have_added_input_section_.
2301         (Layout::layout): Set have_added_input_section_.
2302         (Layout::layout_eh_frame): Likewise.
2303
2304 2009-12-30  Ian Lance Taylor  <iant@google.com>
2305
2306         PR 10931
2307         * options.h (class General_options): Add --sort-common option.
2308         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2309         * common.cc (Sort_common): Add sort_order parameter to
2310         constructor.  Add sort_order_ field.
2311         (Sort_commons::operator): Check sort_order_.
2312         (Symbol_table::allocate_commons): Determine the sort order.
2313         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2314         Change all callers.
2315         (Symbol_table::do_allocate_commons_list): Likewise.
2316
2317 2009-12-30  Ian Lance Taylor  <iant@google.com>
2318
2319         PR 10916
2320         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2321         symbols from this object, don't change the visibility of an
2322         undefined symbol.
2323         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2324
2325 2009-12-30  Ian Lance Taylor  <iant@google.com>
2326
2327         PR 10861
2328         * script.h (class Version_script_info): Define Language enum.
2329         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2330         new fields globals_, locals_, and is_finalized_.
2331         * script.cc: Various formatting fixes.
2332         (class Parser_closure): Change language_stack_ from a vector of
2333         std::string to one of Version_script_info::Language.  Adjust all
2334         uses accordingly.
2335         (class Lazy_demangler): Remove.
2336         (struct Version_expression): Change language from std::string to
2337         Version_script_info::Language.
2338         (Version_script_info::Version_script_info): New function.
2339         (Version_script_info::~Version_script_info): Don't call clear.
2340         (Version_script_info::finalize): New function.
2341         (Version_script_info::build_lookup_tables): New function.
2342         (Version_script_info::build_expression_list_lookup): New
2343         function.
2344         (Version_script_info::get_symbol_version_helper): Rewrite to use
2345         lookup tables.
2346         (Version_script_info::print_expression_list): Adjust to use
2347         Version_script_info::Language.
2348         (script_push_lex_into_version_mode): Check that the version script
2349         has not been finalized.
2350         (version_script_push_lang): Change language string to
2351         Version_script_info::Language.
2352         * options.cc (Command_line::version_script): New function.
2353         * options.h (class General_options): Add finalize_dynamic_list
2354         function.  Change version_script from declaration to definition.
2355         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2356         * testsuite/version_script.map: Remove duplicate def of foo.
2357         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2358         version_script.map.
2359         * testsuite/Makefile.in: Rebuild.
2360
2361 2009-12-30  Ian Lance Taylor  <iant@google.com>
2362
2363         PR 10843
2364         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2365         if the input symbol index is 0, make the output symbol index 0.
2366
2367 2009-12-30  Ian Lance Taylor  <iant@google.com>
2368
2369         PR 10670
2370         * options.h (class General_options): Add -x/--discard-all.
2371         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2372         --discard-all.  If the local symbol needs a dynamic entry, check
2373         that before handling --discard-locals.
2374
2375 2009-12-30  Ian Lance Taylor  <iant@google.com>
2376
2377         PR 10450
2378         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2379         flags to PF_R.
2380         (Output_segment::add_output_section): Don't change the flags if
2381         the type is PT_TLS.
2382
2383         PR 10450
2384         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2385         GNU hash table if they need a dynamic value.  Otherwise, don't add
2386         them if they are defined in a dynamic object or are forced local.
2387
2388 2009-12-29  Ian Lance Taylor  <iant@google.com>
2389
2390         PR 10450
2391         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2392         .gnu.hash table for a 32-bit target.
2393
2394         PR 10450
2395         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2396         regular and a dynamic object only needs a dynamic symbol table
2397         entry if it is externally visible.
2398
2399         PR 10450
2400         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2401         constructor.  Add global_offset_table_ field.
2402         (Target_i386::got_section): Set global_offset_table_.
2403         (Target_i386::do_finalize_sections): Set global_offset_table_
2404         size.
2405         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2406         in constructor.  Add global_offset_table_ field.
2407         (Target_x86_64::got_section): Set global_offset_table_.
2408         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2409         size.
2410
2411         * layout.cc (Layout::Layout): Initialize increase_relro_.
2412         (Layout::get_output_section): Add is_relro, is_last_relro, and
2413         is_first_non_relro parameters.  Change all callers.
2414         (Layout::choose_output_section): Likewise.
2415         (Layout::add_output_section_data): Likewise.
2416         (Layout::make_output_section): Likewise.
2417         (Layout::set_segment_offsets): Clear increase_relro when using a
2418         linker script.
2419         * layout.h (class Layout): Add increase_relro method.  Add
2420         increase_relro_ field.  Update declarations.
2421         * output.cc (Output_section::Output_section): Initialize
2422         is_last_relro_ and is_first_non_relro_.
2423         (Output_segment::add_output_section): Group relro sections is
2424         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2425         (Output_segment::maximum_alignment): Remove relro handling.
2426         (Output_segment::set_section_addresses): Add increase_relro
2427         parameter.  Change all callers.  Add initial alignment to align
2428         relro sections on separate page.  Remove old relro handling.
2429         (Output_segment::set_section_list_addresses): Remove in_relro
2430         parameter.  Change all callers.
2431         (Output_segment::set_offset): Add increase parameter.  Change all
2432         callers.  Remove old relro handling.
2433         * output.h (class Output_section): Add new methods: is_last_relro,
2434         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2435         Add is_last_relro_ and is_first_non_relro_ fields.
2436         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2437         Create separate .got.plt section.  Call increase_relro.
2438         * x86_64.cc (Target_x86_64::got_section): Likewise.
2439         * testsuite/relro_script_test.t: Add .got.plt.
2440
2441         PR 10450
2442         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2443         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2444         (Layout::finalize): Call set_dynamic_symbol_size.
2445         (Layout::set_dynamic_symbol_size): New function.
2446         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2447         set_dynamic_symbol_size.
2448
2449         PR 10450
2450         * output.h (class Output_section): Add is_entsize_zero_ field.
2451         * output.cc (Output_section::Output_section): Initialize
2452         is_entsize_zero_.
2453         (Output_section::set_entsize): If two different entsizes are
2454         requested, force it to zero.
2455         (Output_section::add_input_section): Set flags for .debug_str
2456         before updating section flags.  Set entsize.
2457         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2458         and SHF_STRING if all input sections have those flags.
2459
2460 2009-12-29   Rafael Espindola  <espindola@google.com>
2461
2462         * main.cc (main): Fix the sys time reporting.
2463         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2464         reporting.
2465
2466 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2467
2468         * options.cc (General_options::parse_version): Allow -v to exit
2469         without an error if there is nothing to link.
2470
2471 2009-12-29  Ian Lance Taylor  <iant@google.com>
2472
2473         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2474         using a version of gcc before 4.1.
2475         * configure: Rebuild.
2476
2477 2009-12-28  Chris Demetriou  <cgd@google.com>
2478
2479         * attributes.cc (Output_attributes_section_data::do_write): Use
2480         std::vector::front rather than std::vector::data.
2481
2482 2009-12-28  Ian Lance Taylor  <iant@google.com>
2483
2484         * symtab.h (class Symbol_table): Add enum Defined.
2485         * resolve.cc (Symbol_table::should_override): Add defined
2486         parameter.  Change all callers.  Test whether object is NULL
2487         before calling a method on it.
2488         (Symbol_table::report_resolve_problem): Add defined parameter.
2489         Change all callers.
2490         (Symbol_table::should_override_with_special): Likewise.
2491         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2492         parameter.  Change all callers.
2493         (Symbol_table::do_define_in_output_data): Likewise.
2494         (Symbol_table::define_in_output_segment): Likewise.
2495         (Symbol_table::do_define_in_output_segment): Likewise.
2496         (Symbol_table::define_as_constant): Likewise.
2497         (Symbol_table::do_define_as_constant): Likewise.
2498         * script.h (class Symbol_assignment): Add is_defsym parameter to
2499         constructor; change all callers.
2500         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2501         parameter.  Change all callers.  Add is_defsym_ field.
2502         (class Parser_closure): Add parsing_defsym parameter to
2503         constructor; change all callers.  Add parsing_defsym accessor
2504         function.  Add parsing_defsym_ field.
2505
2506 2009-12-28  Ian Lance Taylor  <iant@google.com>
2507
2508         * gold.cc (queue_middle_tasks): Fix formatting.
2509         * object.cc (Relobj::is_section_name_included): Likewise.
2510
2511 2009-12-23  Ian Lance Taylor  <iant@google.com>
2512
2513         * i386.cc (Target_i386::do_calls_non_split): Recognize
2514         -fsplit-stack prologue for a function with a static chain.
2515         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2516         -fsplit-stack prologue when using %r11.
2517
2518 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2519
2520         * options.cc (General_options::parse_version): Make -v continue and do
2521         the link like GNU ld does.
2522
2523 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2524
2525         * Makefile.am (CCFILES): Add timer.cc.
2526         (HFILES): Add timer.h.
2527         * configure.ac: Check for sysconf and times.
2528         * main.cc: include timer.h.
2529         (main): Use Timer instead of get_run_time.
2530         * timer.cc: New.
2531         * timer.h: New.
2532         * workqueue.cc: include timer.h.
2533         (Workqueue::find_and_run_task):
2534         Report user, sys and wall time.
2535         * Makefile.in: Regenerate.
2536         * config.in: Regenerate.
2537         * configure: Regenerate.
2538
2539 2009-12-16  Doug Kwan  <dougkwan@google.com>
2540
2541         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2542         sections.
2543         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2544         relaxed input sections.
2545         * output.cc (Output_section::find_relaxed_input_section): Change
2546         return type to Output_relaxed_input_section pointer.  Adjust code
2547         for new type of relaxed_input_section_map_.
2548         * output.h (Output_section::find_relaxed_input_section): Change
2549         return type to Output_relaxed_input_section pointer.
2550         (Output_section::Output_relaxed_input_section_by_input_section_map):
2551         New type.
2552         (Output_section::relaxed_input_section_map_): Change type to
2553         Output_section::Output_relaxed_input_section_by_input_section_map.
2554         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2555         input section.
2556
2557 2009-12-15  Ian Lance Taylor  <iant@google.com>
2558
2559         * layout.cc (Layout::create_shstrtab): Only write out after input
2560         sections if we are compressing debug sections.
2561
2562 2009-12-15  Ian Lance Taylor  <iant@google.com>
2563
2564         * archive.cc (Archive::add_symbols): Only look up a symbol without
2565         a version if there is, in fact, a version.
2566
2567 2009-12-14  Ian Lance Taylor  <iant@google.com>
2568
2569         Revert -Wshadow changes, all changes from:
2570         2009-12-11  Doug Kwan  <dougkwan@google.com>
2571         2009-12-11  Nick Clifton  <nickc@redhat.com>
2572         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2573
2574 2009-12-11  Doug Kwan  <dougkwan@google.com>
2575
2576         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2577         due to -Wshadow.
2578         * attributes.cc (Object_attribute::size): Ditto.
2579         (Attributes_section_data::size): Ditto.
2580         (Attributes_section_data::Attributes_section_data): Ditto.
2581         (Output_attributes_section_data::do_write): Ditto.
2582         * attributes.h (Object_attribute::set_type): Ditto.
2583         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2584
2585 2009-12-11  Nick Clifton  <nickc@redhat.com>
2586
2587         * archive.cc: Fix shadowed variable warnings.
2588         * arm.cc: Likewise.
2589         * compressed_output.cc: Likewise.
2590         * compressed_output.h: Likewise.
2591         * configure: Likewise.
2592         * dwarf_reader.cc: Likewise.
2593         * dynobj.cc: Likewise.
2594         * dynobj.h: Likewise.
2595         * ehframe.cc: Likewise.
2596         * ehframe.h: Likewise.
2597         * errors.cc: Likewise.
2598         * expression.cc: Likewise.
2599         * fileread.cc: Likewise.
2600         * fileread.h: Likewise.
2601         * freebsd.h: Likewise.
2602         * i386.cc: Likewise.
2603         * icf.cc: Likewise.
2604         * incremental.h: Likewise.
2605         * layout.cc: Likewise.
2606         * layout.h: Likewise.
2607         * mapfile.cc: Likewise.
2608         * merge.cc: Likewise.
2609         * merge.h: Likewise.
2610         * object.cc: Likewise.
2611         * object.h: Likewise.
2612         * options.h: Likewise.
2613         * output.cc: Likewise.
2614         * output.h: Likewise.
2615         * parameters.cc: Likewise.
2616         * plugin.cc: Likewise.
2617         * powerpc.cc: Likewise.
2618         * reduced_debug_output.cc: Likewise.
2619         * reduced_debug_output.h: Likewise.
2620         * reloc.cc: Likewise.
2621         * reloc.h: Likewise.
2622         * resolve.cc: Likewise.
2623         * script-sections.cc: Likewise.
2624         * script.cc: Likewise.
2625         * script.h: Likewise.
2626         * sparc.cc: Likewise.
2627         * symtab.cc: Likewise.
2628         * symtab.h: Likewise.
2629         * target-select.cc: Likewise.
2630         * target-select.h: Likewise.
2631         * token.h: Likewise.
2632         * workqueue.cc: Likewise.
2633         * workqueue.h: Likewise.
2634         * x86_64.cc: Likewise.
2635
2636 2009-12-10  Doug Kwan  <dougkwan@google.com>
2637
2638         * arm.cc (attributes.h): New include.
2639         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2640         (Arm_relobj::~Arm_relobj): Delete object pointed by
2641         attributes_section_data_.
2642         (Arm_relobj::attributes_section_data): New method definition.
2643         (Arm_relobj::attributes_section_data_): New data member declaration.
2644         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2645         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2646         attributes_section_data_.
2647         (Arm_dynobj::attributes_section_data): New method definition.
2648         (Arm_dynobj::attributes_section_data_): New data member declaration.
2649         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2650         initialization value of may_use_blx_ to false.
2651         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2652         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2653         object attributes to compute results instead of hard-coding.
2654         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2655         Target_arm::get_secondary_compatible_arch,
2656         Target_arm::set_secondary_compatible_arch
2657         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2658         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2659         New method declarations.
2660         (Target_arm::get_aeabi_object_attribute): New method definition.
2661         (Target_arm::attributes_section_data_): New data member declaration.
2662         (read_arm_attributes_section): New template definition.
2663         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2664         (Arm_dynobj::do_read_symbols): Ditto.
2665         (Target_arm::do_finalize_sections): Merge attributes sections from
2666         input.  Check for BLX use after attributes section merging.
2667         Fix __exidx_start and __exidx_end visibility.  Create an
2668         .ARM.attributes section if necessary.
2669         (Target_arm::get_secondary_compatible_arch,
2670         Target_arm::set_secondary_compatible_arch,
2671         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2672         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2673         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
2674         New method definitions.
2675
2676 2009-12-09  Ian Lance Taylor  <iant@google.com>
2677
2678         * plugin.cc (Plugin::load): Don't cast from void* to a function
2679         pointer.
2680
2681 2009-12-09  Ian Lance Taylor  <iant@google.com>
2682
2683         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2684         information fields.
2685
2686 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2687
2688         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2689         Replace two_file_shared_1.so with two_file_shared_2.so.
2690         * testsuite/Makefile.in: Regenerated.
2691
2692 2009-12-08  Doug Kwan  <dougkwan@google.com>
2693
2694         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2695         (HFILES): Add attributes.h and int_encoding.h.
2696         * Makefile.in: Regenerate.
2697         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2698         function definitions to int_encoding.cc
2699         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2700         prototypes to int_encoding.h
2701         * reduced_debug_output.cc (int_encoding.h): New include.
2702         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2703         function definitions to int_encoding.cc
2704         (insert_into_vector, read_from_pointer): Move template definitions to
2705         int_encoding.h
2706         * attributes.cc: New file.
2707         * attributes.h: New file.
2708         * int_encoding.cc: New file.
2709         * int_encoding.h: New file.
2710
2711 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2712
2713         PR gold/11055
2714         * incremental-dump.cc (dump_incremental_inputs): New.
2715         (main): Use dump_incremental_inputs.
2716
2717 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2718
2719         PR gold/10893
2720         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2721         checking elfcpp::STT_FUNC.
2722         (Target_i386::Relocate::relocate): Likewise.
2723         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2724
2725         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2726         symbols from shared libraries into normal FUNC symbols.
2727
2728         * symtab.h (Symbol): Add is_func and use it.
2729
2730 2009-12-05  Doug Kwan  <dougkwan@google.com>
2731
2732         * arm.cc (Target_arm::arm_info): Initialize new fields
2733         attributes_section and attributes_vendor.
2734         * i386.cc (Target_i386::i386_info): Same.
2735         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2736         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2737         fields attributes_section and attributes_vendor.
2738         * sparc.cc (Target_sparc::sparc_info): Same.
2739         * target.h (Target::attributes_section, Target::attributes_vendor,
2740         Target::is_attributes_section, Target::attribute_arg_type,
2741         Target::attributes_order): New method definitions.
2742         (Target::Target_info::attributes_section,
2743         Target::Target_info::attributes_vendor): New fields.
2744         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2745         virtual method definitions.
2746         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2747         attributes_section and attributes_vendor.
2748         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2749
2750 2009-12-05  Doug Kwan  <dougkwan@google.com>
2751
2752         * arm.cc: Update comments about interworking and stub generation.
2753         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2754         considered as non-PIC.
2755         (Arm_relocate_functions::base_abs): Fix formatting.
2756         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2757         of function to use GOT entry address instead of offset.
2758         (Target_arm::Scan::global): Issue an error if a symbol would need a
2759         PLT does not get one because it is untyped.  Remove code to create
2760         dynamic symbols for relative branches.
2761         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2762         takes unsigned integer instead of boolean.
2763
2764 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2765
2766         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2767         (two_file_test_LDADD): Likewise.
2768         (common_test_1_LDADD): Likewise.
2769         (exception_test_LDADD) Likewise.
2770         (weak_test_LDADD): Likewise.
2771         (many_sections_test_LDADD): Likewise.
2772         (initpri1_LDADD): Likewise.
2773         (script_test_1_LDADD): Likewise.
2774         (script_test_2_LDADD): Likewise.
2775         (justsyms_LDADD): Likewise.
2776         (binary_test_LDADD): Likewise.
2777         (large_LDADD): Likewise.
2778         * testsuite/Makefile.in: Regenerated.
2779
2780 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2781
2782         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2783         (Symbol_table::override_with_special): Likewise.
2784         (Symbol_table::add_from_object): Likewise.
2785
2786 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2787
2788         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2789         Don't set the data_offset twice.
2790
2791 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2792
2793         * testsuite/Makefile.in: Regenerate.
2794
2795 2009-12-03  Doug Kwan  <dougkwan@google.com>
2796
2797         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2798         (Target_arm::do_finalize_sections): Add parameter for symbol table
2799         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2800         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2801         parameter for symbol table pointer.
2802         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2803         an additional parameter for a pointer to symbol table.
2804         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2805         parameter for a symbol table pointer.
2806         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2807         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2808         Ditto.
2809         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2810         parameter for a symbol table pointer.
2811
2812 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2813
2814         * incremental.cc (Incremental_inputs_header)
2815         (Incremental_inputs_header_write, Incremental_inputs_entry)
2816         (Incremental_inputs_entry_write): Move ...
2817         * incremental.h (Incremental_inputs_header)
2818         (Incremental_inputs_header_write, Incremental_inputs_entry)
2819         (Incremental_inputs_entry_write): here.
2820
2821 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2822
2823         * incremental.cc (make_sized_incremental_binary): Set the target.
2824         Error if it is incompatible.
2825         * output.h (Output_file): Add filename method.
2826
2827 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2828
2829         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2830         from the get_* methods.
2831
2832 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2833
2834         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2835         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2836         Write 0 for the data_offset of scripts.
2837
2838 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2839
2840         * testsuite/Makefile.am: Add the incremental_test.sh test.
2841         * testsuite/incremental_test.sh: New.
2842         * testsuite/incremental_test_1.c: New.
2843         * testsuite/incremental_test_2.c: New.
2844
2845 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2846
2847        * incremental-dump.cc (main): Fix typos.
2848
2849 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2850
2851         PR gold/11025
2852         * incremental-dump.cc (main): Use llu to print 64 bit values.
2853
2854 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2855             H.J. Lu  <hongjiu.lu@intel.com>
2856
2857         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2858         $(LIBDL).
2859         (incremental_dump_LDADD): Likewise.
2860         * Makefile.in: Regenerated.
2861
2862 2009-11-25  Doug Kwan  <dougkwan@google.com>
2863
2864         Revert:
2865
2866         2009-11-25  Doug Kwan  <dougkwan@google.com>
2867
2868                 * arm.cc (Target_arm::Target_arm): Move method definition
2869                 outside of class definition.  Add code to handle
2870                 --target1-rel, --target1-abs and --target2= options.
2871                 (Target_arm::get_reloc_reloc_type): Change method to be
2872                 non-static and const.
2873                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2874                 New data member declaration.
2875                 (Target_arm::Scan::local, Target_arm::Scan::global,
2876                 Target_arm::Relocate::relocate,
2877                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2878                 Adjust call to Target_arm::get_real_reloc_type.
2879                 (Target_arm::get_real_reloc_type): Use command line options
2880                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2881                 * options.h (--target1-rel, --target1-abs, --target2): New
2882                 ARM-only options.
2883
2884 2009-11-25  Doug Kwan  <dougkwan@google.com>
2885
2886         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2887         class definition.  Add code to handle --target1-rel, --target1-abs
2888         and --target2= options.
2889         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2890         and const.
2891         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2892         member declaration.
2893         (Target_arm::Scan::local, Target_arm::Scan::global,
2894         Target_arm::Relocate::relocate,
2895         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2896         call to Target_arm::get_real_reloc_type.
2897         (Target_arm::get_real_reloc_type): Use command line options to
2898         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2899         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2900         options.
2901
2902 2009-11-25  Doug Kwan  <dougkwan@google.com>
2903
2904         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2905         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2906         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2907         formatting.
2908         (Arm_relocate_functions::thm_call): Replace body with a call to
2909         Arm_relocate_functions::thumb_branch_common.
2910         (Arm_relocate_functions::thm_jump24,
2911         Arm_relocate_functions::thm_xpc22): New method definitions.
2912         (Arm_relocate_functions::thumb_branch_common): New method definition.
2913         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2914         operator.
2915         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2916         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2917
2918 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2919
2920         * Makefile.am: Build incremental-dump
2921         * Makefile.in: Regenerate.
2922         * incremental-dump.cc: New.
2923         * incremental.cc (Incremental_inputs_header_data,
2924         Incremental_inputs_entry_data): Move to incremental.h
2925         * incremental.h: (Incremental_inputs_header_data,
2926         Incremental_inputs_entry_data): Move from incremental.cc
2927
2928 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2929
2930         * incremental.cc (Incremental_inputs_header,
2931         Incremental_inputs_header_write, Incremental_inputs_entry,
2932         Incremental_inputs_entry_write): Add a typedef with the data type.
2933
2934 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2935
2936         * incremental.cc (Incremental_inputs_header,
2937         Incremental_inputs_header_write, Incremental_inputs_entry,
2938         Incremental_inputs_entry_write): Update comment about which
2939         type has the filed descriptions.
2940
2941 2009-11-15  Doug Kwan  <dougkwan@google.com>
2942
2943         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2944         (Arm_relocate_functions::arm_branch_common): Change method defintion
2945         in class definition to a method declaration and update list of formal
2946         parameters.
2947         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2948         Arm_relocation_functions::jump24): Adjust call to
2949         Arm_relocate_functions::arm_branch_common.  Update list of formal
2950         parameters.
2951         (Arm_relocate_functions::xpc25): New method definition.
2952         (Arm_relocate_functions::arm_branch_common): Move method defintion
2953         out from class definition.  Use stubs for mode-switching and extending
2954         branch ranges.
2955         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2956         specially.  Change code to enable use of stubs in ARM branches.
2957
2958 2009-11-10  Doug Kwan  <dougkwan@google.com>
2959
2960         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2961         in method declaration.
2962         (Target_arm::relocate_stub): New method declaration.
2963         (Target_arm::default_target): Change to return a pointer instead of
2964         a const reference.
2965         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2966         Target_arm::default_target.
2967         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2968         method definition.
2969         (Target_arm::relocate_section): Adjust view.
2970         (Target_arm::relocate_stub): New method definition.
2971
2972 2009-11-10  Doug Kwan  <dougkwan@google.com>
2973
2974         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2975         a format warning.
2976         * incremental.cc (open_incremental_binary): Initialized local
2977         variables to avoid warnings.
2978         * object.cc (make_elf_object): Ditto.
2979         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2980         a format warning.
2981
2982 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2983
2984         PR gold/10930
2985         * testsuite/plugin_test.c: Include "config.h".
2986
2987 2009-11-09  Doug Kwan  <dougkwan@google.com>
2988
2989         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2990         (arm_symbol_value): Remove.
2991         (Arm_relocate_functions::arm_branch_common,
2992         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2993         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2994         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2995         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2996         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2997         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2998         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2999         Arm_relocate_functions::thm_mobw_abs_nc,
3000         Arm_relocate_functions::thm_mov_abs,
3001         Arm_relocate_functions::movw_prel_nc,
3002         Arm_relocate_functions::thm_movt_abs,
3003         Arm_relocate_functions::movt_prel,
3004         Arm_relocate_functions::thm_movw_prel_nc,
3005         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3006         (Target_arm::Relocate::relocate): Only decompose address into two
3007         parts if relocation type uses the thumb-bit and pass the actual
3008         bit instead of a flag indicating that the thumb-bit is used.  Adjust
3009         calls to methods in Arm_relocate_functions for this change.
3010
3011 2009-11-08  Ian Lance Taylor  <iant@google.com>
3012
3013         PR 10925
3014         * reloc.cc: Instantiate
3015         Sized_relobj::initialize_input_to_output_maps and
3016         Sized_relobj:free_input_to_output_maps.
3017
3018 2009-11-06  Ian Lance Taylor  <iant@google.com>
3019
3020         PR 10876
3021         * defstd.cc (in_segment): Set only_if_ref true for "end".
3022
3023 2009-11-06  Doug Kwan  <dougkwan@google.com>
3024
3025         * arm.cc (class Reloc_stub): Correct a comment.
3026         (Target_arm::Target_arm): Initialize arm_input_section_map_.
3027         (Target_arm::scan_section_for_stubs): New method declaration.
3028         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3029         Change methods from private to protected.
3030         (Target_arm::do_may_relax): New method definition.
3031         (Target_arm::do_relax, Target_arm::group_sections,
3032         Target_arm::scan_reloc_for_stub,
3033         Target_arm::scan_reloc_section_for_stubs): New method declarations.
3034         (Target_arm::arm_input_section_map_): New data member declaration.
3035         (Target_arm::scan_reloc_for_stub,
3036         Target_arm::scan_reloc_section_for_stubs,
3037         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3038         Target_arm::do_relax): New method definitions.
3039
3040 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
3041
3042         * configure.ac: Check for (struct stat)::st_mtim
3043         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3044         * config.in: Regenerate.
3045         * configure: Regenerate.
3046
3047 2009-11-05  Ian Lance Taylor  <iant@google.com>
3048
3049         PR 10910
3050         * output.cc (Output_segment::add_output_section): Add missing
3051         return statement.
3052
3053 2009-11-04  Ian Lance Taylor  <iant@google.com>
3054
3055         PR 10880
3056         * object.h (class Object): Add is_needed and set_is_needed
3057         methods.  Add is_needed_ field.  Make bool fields into bitfields.
3058         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3059         defined in a dynamic object and referenced by a regular object,
3060         set is_needed for the dynamic object.
3061         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3062         if the file is marked with as_needed and it is not needed.
3063
3064 2009-11-04  Ian Lance Taylor  <iant@google.com>
3065
3066         PR 10887
3067         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3068         tags if data is discarded by linker script.
3069         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3070         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3071         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3072         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3073
3074 2009-11-04  Ian Lance Taylor  <iant@google.com>
3075
3076         * layout.cc (Layout::get_output_section): Add is_interp and
3077         is_dynamic_linker_section parameters.  Change all callers.
3078         (Layout::choose_output_section): Likewise.
3079         (Layout::make_output_section): Likewise.
3080         (Layout::add_output_section_data): Add is_dynamic_linker_section
3081         parameter.  Change all callers.
3082         * layout.h (class Layout): Update declarations.
3083         * output.h (class Output_section): Add is_interp, set_is_interp,
3084         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3085         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3086         generate_code_fills_at_write_ to a bitfield.
3087         * output.cc (Output_section::Output_sections): Initialize new
3088         fields.
3089         (Output_segment::add_output_section): Add do_sort parameter.
3090         Change all callers.
3091
3092 2009-11-03  Ian Lance Taylor  <iant@google.com>
3093
3094         PR 10860
3095         * options.h (class General_options): Add --warn-common.
3096         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3097         merging two common symbols.
3098         (Symbol_table::should_override): Handle --warn-common when merging
3099         a common symbol with a defined symbol.  Use report_resolve_problem
3100         for multiple definitions.
3101         (Symbol_table::report_resolve_problem): New function.
3102         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3103
3104 2009-11-03  Doug Kwan  <dougkwan@google.com>
3105
3106         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3107         stub_factory_.
3108         (Target_arm::stub_factory): New method definition.
3109         (Target_arm::new_arm_input_section,
3110         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3111         Target_arm::reloc_uses_thumb_bit): New method declarations.
3112         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
3113         New type definitions.
3114         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3115         member declarations.
3116         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3117         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3118         New method definitions.
3119
3120 2009-11-03  Ian Lance Taylor  <iant@google.com>
3121
3122         * options.h (class General_options): Add --warn_constructors.
3123
3124 2009-11-03  Ian Lance Taylor  <iant@google.com>
3125
3126         PR 10893
3127         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3128         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3129
3130 2009-11-03  Ian Lance Taylor  <iant@google.com>
3131
3132         PR 10895
3133         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3134         --msgid-bugs-address.
3135         (install-pdf): New target.
3136         (install-data_yes): Look up one directory to find mkinstalldirs.
3137
3138 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3139
3140         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3141         tree.
3142
3143 2009-10-30  Doug Kwan  <dougkwan@google.com>
3144
3145         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3146
3147 2009-10-30  Doug Kwan  <dougkwan@google.com>
3148
3149         * arm.cc (Stub_addend_reader): New struct template definition
3150         and partial specializations.
3151         (Stub_addend_reader::operator()): New method definition for a
3152         partially specialized template.
3153
3154 2009-10-30  Doug Kwan  <dougkwan@google.com>
3155
3156         * arm.cc (Arm_relobj::processor_specific_flags): New method
3157         definition.
3158         (Arm_relobj::do_read_symbols): New method declaration.
3159         (Arm_relobj::processor_specific_flags_): New data member declaration.
3160         (Arm_dynobj): New class definition.
3161         (Target_arm::do_finalize_sections): Add input_objects parameter.
3162         (Target_arm::do_adjust_elf_header): New method declaration.
3163         (Target_arm::are_eabi_versions_compatible,
3164         (Target_arm::merge_processor_specific_flags): New method declaration.
3165         (Target_arm::do_make_elf_object): New overloaded method definitions
3166         and declaration.
3167         (Arm_relobj::do_read_symbols): New method definition.
3168         (Arm_dynobj::do_read_symbols): Ditto.
3169         (Target_arm::do_finalize_sections): Add input_objects parameters.
3170         Merge processor-specific flags from all input objects.
3171         (Target_arm::are_eabi_versions_compatible,
3172         Target_arm::merge_processor_specific_flags,
3173         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3174         New method definitions.
3175         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3176         Input_objects pointer type parameter.
3177         * layout.cc (Layout::finalize): Pass input objects to target's.
3178         finalize_sections function.
3179         * output.cc (Output_file_header::do_sized_write): Set ELF file
3180         header's processor-specific flags.
3181         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3182         Input_objects pointer type parameter.
3183         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3184         * target.h (Input_objects): New forward class declaration.
3185         (Target::processor_specific_flags,
3186         Target::are_processor_specific_flags_sect): New method definitions.
3187         (Target::finalize_sections): Add input_objects parameter.
3188         (Target::Target): Initialize processor_specific_flags_ and
3189         are_processor_specific_flags_set_.
3190         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3191         parameter.
3192         (Target::set_processor_specific_flags): New method definition.
3193         (Target::processor_specific_flags_,
3194         Target::are_processor_specific_flags_set_): New data member
3195         declarations.
3196         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3197         Input_objects pointer type parameter.
3198
3199 2009-10-30  Doug Kwan  <dougkwan@google.com>
3200
3201         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3202
3203 2009-10-28  Ian Lance Taylor  <iant@google.com>
3204
3205         * object.h (class Relobj): Drop options parameter from
3206         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3207         do_scan_relocs, do_relocate.  Change all callers.
3208         (class Sized_relobj): Drop options parameters from
3209         do_gc_process_relocs, do_scan_relocs, do_relocate,
3210         do_relocate_sections, relocate_sections, emit_relocs_scan,
3211         emit_relocs_scan_reltype.  Change all callers.
3212         (struct Relocate_info): Remove options field and all references to
3213         it.
3214         * reloc.h (class Read_relocs): Remove options constructor
3215         parameter and options_ field.  Change all callers.
3216         (class Gc_process_relocs, class Scan_relocs): Likewise.
3217         (class Relocate_task): Likewise.
3218         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3219         all callers.
3220         (scan_relocatable_relocs): Likewise.
3221         * target.h (class Sized_target): Remove options parameter from
3222         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3223         all callers.
3224         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3225         callers.
3226         * arm.cc: Update functions to remove options parameters.
3227         * i386.cc: Likewise.
3228         * powerpc.cc: Likewise.
3229         * sparc.cc: Likewise.
3230         * x86_64.cc: Likewise.
3231         * testsuite/testfile.cc: Likewise.
3232
3233 2009-10-28  Doug Kwan  <dougkwan@google.com>
3234
3235         * arm.cc (Arm_relobj): New class definition.
3236         (Arm_relobj::scan_sections_for_stubs,
3237         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3238         New method definitions.
3239
3240 2009-10-28  Cary Coutant  <ccoutant@google.com>
3241
3242         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3243         (Plugin::cleanup_done_): New member.
3244         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3245         (Plugin_manager::cleanup_done_): Remove.
3246         (Plugin_manager::add_input_file): Edit error message.
3247         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3248         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3249
3250 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3251
3252         * fileread.cc: (File_read::View::~View): Use the new
3253         data_ownership_ filed.
3254         (File_read::~File_read): Dispose the new whole_file_view_.
3255         (File_read::open): Mmap the whole file if needed.
3256         (File_read::open): Use whole_file_view_ instead of contents_.
3257         (File_read::find_view): Use whole_file_view_ if applicable.
3258         (File_read::do_read): Use whole_file_view_ instead of contents_.
3259         (File_read::make_view): Use whole_file_view_ instead of contents_,
3260         update File_read::View::View call.
3261         (File_read::find_or_make_view): Update File_read::View::View
3262         call.
3263         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3264         remove contents_
3265         (File_read::View::Data_ownership): New enum.
3266         (File_read::View::View): Replace bool mapped_ with Data_ownership
3267         argument.
3268         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3269         (File_read::View::data_ownership_): New field.
3270         (File_read::contents_): Remove (replaced by whole_file_view_).
3271         (File_read::whole_file_view_): New field.
3272         * options.h (class General_options): Add --keep-files-mapped.
3273
3274 2009-10-27  Cary Coutant  <ccoutant@google.com>
3275
3276         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3277         * testsuite/Makefile.am (plugin_test_5): New test case.
3278         * testsuite/Makefile.in: Regenerate.
3279
3280 2009-10-25  Doug Kwan  <dougkwan@google.com>
3281
3282         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3283         from private to protected to allow access by child class.
3284         (Sized_relobj::do_relocate_sections): New method declaration.
3285         (Sized_relobj::relocate_sections): Virtualize.
3286         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
3287         Sized_relobj::relocate_sections.  Instantiate template explicitly
3288         for different target sizes and endianity.
3289
3290 2009-10-24  Doug Kwan  <dougkwan@google.com>
3291
3292         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3293         (Arm_input_section::as_arm_input_section): New method.
3294         (Arm_output_section): New class definition.
3295         (Arm_output_section::create_stub_group,
3296         Arm_output_section::group_sections): New method definitions.
3297
3298 2009-10-22  Doug Kwan  <dougkwan@google.com>
3299
3300         * arm.cc (Arm_input_section): New class definition.
3301         (Arm_input_section::init, Arm_input_section:do_write,
3302         Arm_input_section::set_final_data_size,
3303         Arm_input_section::do_reset_address_and_file_offset): New method
3304         definitions.
3305
3306 2009-10-21  Doug Kwan  <dougkwan@google.com>
3307
3308         * arm.cc (Stub_table, Arm_input_section): New forward class
3309         declarations.
3310         (Stub_table): New class defintion.
3311         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3312         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3313         New method definition.
3314
3315 2009-10-21  Doug Kwan  <dougkwan@google.com>
3316
3317         * arm.cc: Update copyright comments.
3318         (Target_arm): New forward class template declaration.
3319         (Arm_address): New type.
3320         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3321         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3322         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3323         constants.
3324         (Insn_template): Same.
3325         (DEF_STUBS): New macro.
3326         (Stub_type): New enum type.
3327         (Stub_template): New class definition.
3328         (Stub): Same.
3329         (Reloc_stub): Same.
3330         (Stub_factory): Same.
3331         (Target_arm::Target_arm): Initialize may_use_blx_ and
3332         should_force_pic_veneer_.
3333         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3334         Target_arm::should_force_pic_veneer,
3335         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3336         Target_arm::using_thumb_only, Target_arm:;default_target): New
3337         method defintions.
3338         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3339         New data member declarations.
3340         (Insn_template::size, Insn_template::alignment): New method defintions.
3341         (Stub_template::Stub_template): New method definition.
3342         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3343         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3344         (Stub_factory::Stub_factory): New method definition.
3345         * gold.h (string_hash): New template.
3346         * output.h (Input_section_specifier::hash_value): Use
3347         gold::string_hash.
3348         (Input_section_specifier::string_hash): Remove.
3349         * stringpool.cc (Stringpool_template::string_hash): Use
3350         gold::string_hash.
3351
3352 2009-10-20  Doug Kwan  <dougkwan@google.com>
3353
3354         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3355         symbols of relaxed input sections.
3356         * output.h (Output_section::find_relaxed_input_section): Make
3357         method public.
3358
3359 2009-10-16  Doug Kwan  <dougkwan@google.com>
3360
3361         * dynobj.cc (Versions::Versions): Initialize version_script_.
3362         Only insert base version symbol definition for a shared object
3363         if version script defines any version versions.
3364         (Versions::define_base_version): New method definition.
3365         (Versions::add_def): Check that base version is not needed.
3366         (Versions::add_need): Define base version lazily.
3367         * dynobj.h (Versions::define_base_version): New method declaration.
3368         (Versions::needs_base_version_): New data member declaration.
3369         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3370         (check_DATA): Add no_version_test.stdout.
3371         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3372         New make rules.
3373         * testsuite/Makefile.in: Regenerate.
3374         * testsuite/no_version_test.c: New file.
3375         * testsuite/no_version_test.sh: Ditto.
3376
3377 2009-10-16  Doug Kwan  <dougkwan@google.com>
3378
3379         * expression.cc (class Segment_start_expression): New class definition.
3380         (Segment_start_expression::value): New method definition.
3381         (script_exp_function_segment_start): Return a new
3382         Segment_start_expression.
3383         * gold/script-c.h (script_saw_segment_start_expression): New function
3384         prototype.
3385         * script-sections.cc (Script_sections::Script_sections): Initialize
3386         SAW_SEGMENT_START_EXPRESSION_ to false.
3387         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3388         and -Tbbs options to specify section addresses if given in
3389         command line and no SEGMENT_START expression is seen in a script.
3390         * script-sections.h (Script_sections::saw_segment_start_expression,
3391         Script_sections::set_saw_segment_start_expression): New method
3392         definition.
3393         (Script_sections::saw_segment_start_expression_): New data member
3394         declaration.
3395         * script.cc (script_saw_segment_start_expression): New function.
3396         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3397         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3398         script_test_7.sh and script_test_8.sh.
3399         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3400         script_test_8.stdout.
3401         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3402         (script_test_6, script_test_6.stdout, script_test_7,
3403         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3404         * Makefile.in: Regenerate.
3405         * testsuite/script_test_6.sh: New file.
3406         * testsuite/script_test_6.t: Same.
3407         * testsuite/script_test_7.sh: Same.
3408         * testsuite/script_test_7.t: Same.
3409         * testsuite/script_test_8.sh: Same.
3410
3411 2009-10-16  Doug Kwan  <dougkwan@google.com>
3412
3413         * output.cc (Output_segment::set_section_list_address): Cast
3414         expressions to unsigned long long type to avoid format warnings.
3415
3416 2009-10-15  Ian Lance Taylor  <iant@google.com>
3417
3418         * script.cc (Script_options::add_symbol_assignment): Always add a
3419         dot assignment to script_sections_.
3420         * script-sections.cc (Script_sections::add_dot_assignment):
3421         Initialize if necessary.
3422
3423         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3424         program headers with no load segment if there is a linker script.
3425
3426         * layout.cc (Layout::set_segment_offsets): Align the file offset
3427         to the segment aligment for -N or -n with no load segment.
3428         * output.cc (Output_segment::add_output_section): Don't crash if
3429         the first section is a TLS section.
3430         (Output_segment::set_section_list_addresses): Print an error
3431         message if the address moves backward in a linker script.
3432         * script-sections.cc
3433         (Output_section_element_input::set_section_addresses): Don't
3434         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3435         (Orphan_output_section::set_section_addresses): Likewise.
3436
3437 2009-10-15  Doug Kwan  <dougkwan@google.com>
3438
3439         * layout.cc (Layout::finish_dynamic_section): Generate tags
3440         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3441         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3442         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3443
3444 2009-10-14  Ian Lance Taylor  <iant@google.com>
3445
3446         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3447         fields.
3448         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3449         data_shdr fields of relinfo.
3450         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3451         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3452         R_386_TLS_LDO_32, adjust based on section flags.
3453         (Target_i386::Relocate::fix_up_ldo): Remove.
3454
3455 2009-10-13  Ian Lance Taylor  <iant@google.com>
3456
3457         Add support for -pie.
3458         * options.h (class General_options): Add -pie and
3459         --pic-executable.
3460         (General_options::output_is_position_independent): Test -pie.
3461         (General_options::output_is_executable): Return true if not shared
3462         and not relocatable.
3463         (General_options::output_is_pie): Remove.
3464         * options.cc (General_options::finalize): Reject incompatible uses
3465         of -pie.
3466         * gold.cc (queue_middle_tasks): A -pie link is not static.
3467         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3468         * symtab.cc (Symbol::final_value_is_known): Return false if
3469         output_is_position_independent.
3470         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3471         output_is_position_independent.
3472         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3473         output_is_position_independent.
3474         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3475         output_is_position_independent.
3476         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3477         two_file_pie_test.
3478         (basic_pie_test.o, basic_pie_test): New targets.
3479         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3480         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3481         (two_file_pie_test): New target.
3482         * testsuite/Makefile.in: Rebuild.
3483         * README: Remove note saying that -pie is not supported.
3484
3485 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3486
3487         * options.h (class General_options): Add -init and -fini.
3488         * layout.cc (Layout::finish_dynamic_section): Emit
3489         given init and fini functions.
3490
3491 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3492
3493         * gc.h (gc_process_relocs): Check if icf is enabled using new
3494         function.
3495         * gold.cc (queue_initial_tasks): Likewise.
3496         (queue_middle_tasks): Likewise.
3497         * object.cc (do_layout): Likewise.
3498         * symtab.cc (is_section_folded): Likewise.
3499         * main.cc (main): Likewise.
3500         * reloc.cc (Read_relocs::run): Likewise.
3501         (Sized_relobj::do_scan_relocs): Likewise.
3502         * icf.cc (is_function_ctor_or_dtor): New function.
3503         (Icf::find_identical_sections): Check if function is ctor or dtor when
3504         safe icf is chosen.
3505         * options.h (General_options::icf): Change option to be an enum.
3506         (Icf_status): New enum.
3507         (icf_enabled): New method.
3508         (icf_safe_folding): New method.
3509         (set_icf_status): New method.
3510         (icf_status_): New variable.
3511         * (options.cc) (General_options::finalize): Set icf_status_.
3512         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3513         icf_test and icf_keep_unique_test to use the --icf enum flag.
3514         * testsuite/icf_safe_test.sh: New file.
3515         * testsuite/icf_safe_test.cc: New file.
3516
3517 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3518
3519         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3520         includes to gc.h and icf.h.
3521         * arm.cc: Include gc.h.
3522         * gold.cc: Likewise.
3523         * i386.cc: Likewise.
3524         * powerpc.cc: Likewise.
3525         * sparc.cc: Likewise.
3526         * x86_64.cc: Likewise.
3527         * gc.h: Include icf.h.
3528
3529 2009-10-11  Ian Lance Taylor  <iant@google.com>
3530
3531         * plugin.cc: Include "gold.h" before other header files.
3532
3533 2009-10-10  Chris Demetriou  <cgd@google.com>
3534
3535         * options.h (Input_file_argument::Input_file_type): New enum.
3536         (Input_file_argument::is_lib_): Replace with...
3537         (Input_file_argument::type_): New member.
3538         (Input_file_argument::Input_file_argument): Take Input_file_type
3539         'type' rather than boolean 'is_lib' as second argument.
3540         (Input_file_argument::is_lib): Use type_.
3541         (Input_file_argument::is_searched_file): New function.
3542         (Input_file_argument::may_need_search): Handle is_searched_file.
3543         * options.cc (General_options::parse_library): Support -l:filename.
3544         (General_options::parse_just_symbols): Update for Input_file_argument
3545         changes.
3546         (Command_line::process): Likewise.
3547         * archive.cc (Archive::get_file_and_offset): Likewise.
3548         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3549         * script.cc (read_script_file, script_add_file): Likewise.
3550         * fileread.cc (Input_file::Input_file): Likewise.
3551         (Input_file::will_search_for): Handle is_searched_file.
3552         (Input_file::open): Likewise.
3553         * readsyms.cc (Read_symbols::get_name): Likewise.
3554         * testsuite/Makefile.am (searched_file_test): New test.
3555         * testsuite/Makefile.in: Regenerate.
3556         * testsuite/searched_file_test.cc: New file.
3557         * testsuite/searched_file_test_lib.cc: New file.
3558
3559 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3560             Ian Lance Taylor  <iant@google.com>
3561
3562         * descriptor.cc: Include <cstdio> and "binary-io.h".
3563         (Descriptors::open): Open the files in binary mode always.
3564         * script.cc (Lex::get_token): Treat \r as whitespace.
3565
3566 2009-10-09  Ian Lance Taylor  <iant@google.com>
3567
3568         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3569
3570 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3571             Ian Lance Taylor  <iant@google.com>
3572
3573         * configure.ac: Check for readv function also.
3574         * fileread.cc (readv): Define if not HAVE_READV.
3575         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3576         does not exist.
3577         * config.in: Regenerate.
3578         * configure: Regenerate.
3579
3580 2009-10-09  Doug Kwan  <dougkwan@google.com>
3581
3582         * layout.cc (Layout::make_output_section): Call target hook to make
3583         ordinary output section.
3584         (Layout::finalize): Adjust parameter list of call the
3585         Target::may_relax().
3586         * layout.h (class Layout::section_list): New method.
3587         * merge.h (Output_merge_base::entsize): Change visibility to public.
3588         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3589         New methods.
3590         (Output_merge_string::do_is_string): New method.
3591         * object.cc (Sized_relobj::do_setup): renamed from
3592         Sized_relobj::set_up.
3593         * object.h (Sized_relobj::adjust_shndx,
3594         Sized_relobj::initializ_input_to_output_maps,
3595         Sized_relobj::free_input_to_output_maps): Change visibilities to
3596         protected.
3597         (Sized_relobj::setup): Virtualize.
3598         (Sized_relobj::do_setup): New method declaration.
3599         (Sized_relobj::invalidate_section_offset,
3600         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3601         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3602         * options.cc (parse_int): New function.
3603         * options.h (parse_int): New declaration.
3604         (DEFINE_int): New macro.
3605         (stub_group_size): New option.
3606         * output.cc (Output_section::Output_section): Initialize memebers
3607         merge_section_map_, merge_section_by_properties_map_,
3608         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3609         (Output_section::add_input_section): Handled deferred code-fill
3610         generation and remove an old comment.
3611         (Output_section::add_relaxed_input_section): New method definition.
3612         (Output_section::add_merge_input_section): Use merge section by
3613         properties map to speed to search.  Update merge section maps
3614         as appropriate.
3615         (Output_section::build_relaxation_map): New method definition.
3616         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3617         Same.
3618         (Output_section::relax_input_section): Renamed to
3619         Output_section::convert_input_sections_to_relaxed_sections and change
3620         interface to take a vector of pointers to relaxed sections.
3621         (Output_section::find_merge_section,
3622         Output_section::find_relaxed_input_section): New method definitions.
3623         (Output_section::is_input_address_mapped,
3624         Output_section::output_offset, Output_section::output_address):
3625         Use output section data maps to speed up searching.
3626         (Output_section::find_starting_output_address): Add comments.
3627         (Output_section::do_write,
3628         Output_section::write_to_postprocessing_buffer): Do code-fill
3629         generation as appropriate.
3630         (Output_section::get_input_sections): Invalidate relaxed input section
3631         map.
3632         (Output_section::restore_states): Adjust type of checkpoint .
3633         Invalidate relaxed input section map.
3634         * output.h (Output_merge_base): New class declaration.
3635         (Input_section_specifier): New class defintion.
3636         (class Output_relaxed_input_section) Change base class to
3637         Output_section_data_build.
3638         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3639         base class initializer.
3640         (Output_section::add_relaxed_input_section): New method declaration.
3641         (Output_section::Input_section): Change visibility to protected.
3642         (Output_section::Input_section::relobj,
3643         Output_section::Input_section::shndx): Handle relaxed input sections.
3644         Output_section::input_sections) Change visibility to protected.  Also
3645         define overload to return a non-const pointer.
3646         (Output_section::Merge_section_properties): New class defintion.
3647         (Output_section::Merge_section_by_properties_map,
3648         Output_section::Output_section_data_by_input_section_map,
3649         Output_section::Relaxation_map): New types.
3650         (Output_section::relax_input_section): Rename method to
3651         Output_section::convert_input_sections_to_relaxed_sections and change
3652         interface to take a vector of relaxed section pointers.
3653         (Output_section::find_merge_section,
3654         Output_section::find_relaxed_input_section,
3655         Output_section::build_relaxation_map,
3656         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3657         New method declarations.
3658         (Output_section::merge_section_map_
3659         Output_section::merge_section_by_properties_map_,
3660         Output_section::relaxed_input_section_map_,
3661         Output_section::is_relaxed_input_section_map_valid_,
3662         Output_section::generate_code_fills_at_write_): New data members.
3663         * script-sections.cc
3664         (Output_section_element_input::set_section_addresses): Call
3665         current_data_size and addralign methods of relaxed input sections.
3666         (Orphan_output_section::set_section_addresses): Call current_data_size
3667         and addralign methods of relaxed input sections.
3668         * symtab.cc (Symbol_table::compute_final_value): Extract template
3669         from the body of Symbol_table::sized_finalize_symbol.
3670         (Symbol_table::sized_finalized_symbol): Call
3671         Symbol_table::compute_final_value.
3672         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3673         (Symbol_table::compute_final_value): New templated method declaration.
3674         * target.cc (Target::do_make_output_section): New method defintion.
3675         * target.h (Target::make_output_section): New method declaration.
3676         (Target::relax): Add more parameters for input objects, symbol table
3677         and layout.  Adjust call to do_relax.
3678         (Target::do_make_output_section): New method declaration.
3679         (Target::do_relax): Add parameters for input objects, symbol table
3680         and layout.
3681
3682 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3683
3684         * pread.c: Include stdio.h.
3685
3686 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3687
3688         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3689         defined.
3690
3691 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3692
3693         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3694         Change read_shndx type to unsigned int.
3695         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3696         int.
3697         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3698         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3699         Change read_shndx type to unsigned int.
3700         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3701         int.
3702         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3703         * layout.cc (Layout::create_symtab_sections): Cast the result of
3704         local_symcount * symsize to off_t in the gold_assert.
3705
3706 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3707
3708         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3709         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3710         R_ARM_BASE_ABS.
3711         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3712         (Arm_relocate_functions::thm_abs5): New function.
3713         (Arm_relocate_functions::abs12): New function.
3714         (Arm_relocate_functions::abs16): New function.
3715         (Arm_relocate_functions::base_abs): New function.
3716         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3717         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3718         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3719         R_ARM_BASE_ABS.
3720         (Scan::global): Likewise.
3721         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3722         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3723         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3724         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3725         R_ARM_BASE_ABS.
3726
3727 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3728
3729         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3730         (Arm_relocate_functions::movt_prel): New function.
3731         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3732         (Arm_relocate_functions::thm_movt_prel): New function.
3733         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3734         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3735         (Scan::global, Relocate::relocate): Likewise.
3736         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3737
3738 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3739
3740         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3741         Incremental_checker.
3742         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3743         unsigned int.
3744         (class Incremental_inputs_header): New class.
3745         (Incremental_inputs_header_writer): Edit comment.
3746         (Incremental_inputs_entry): New class.
3747         (Incremental_inputs_entry_writer): Edit comment.
3748         (Sized_incremental_binary::do_find_incremental_inputs_section):
3749         Add *strtab_shndx parameter, fill it.
3750         (Sized_incremental_binary::do_check_inputs): New method.
3751         (Incremental_checker::can_incrementally_link_output_file): Use
3752         Sized_incremental_binary::check_inputs.
3753         (Incremental_inputs::report_command_line): Save command line in
3754         command_line_.
3755         * incremental.h:
3756         (Incremental_binary::find_incremental_inputs_section): New
3757         method.
3758         (Incremental_binary::do_find_incremental_inputs_section): Add
3759         strtab_shndx parameter.
3760         (Incremental_binary::do_check_inputs): New pure virtual method.
3761         (Sized_incremental_binary::do_check_inputs): Declare.
3762         (Incremental_checker::Incremental_checker): Add incremental_inputs
3763         parameter, use it to initialize incremental_inputs_.
3764         (Incremental_checker::incremental_inputs_): New field.
3765         (Incremental_checker::command_line): New method.
3766         (Incremental_checker::inputs): New method.
3767         (Incremental_checker::command_line_): New field.
3768
3769 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3770
3771         * incremental.cc: Include <cstdarg> and "target-select.h".
3772         (vexplain_no_incremental): New function.
3773         (explain_no_incremental): New function.
3774         (Incremental_binary::error): New method.
3775         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3776         method.
3777         (make_sized_incremental_binary): New function.
3778         (open_incremental_binary): New function.
3779         (can_incrementally_link_file): Add checks if output is ELF and has
3780         inputs section.
3781         * incremental.h: Include "elfcpp_file.h" and "output.h".
3782         (Incremental_binary): New class.
3783         (Sized_incremental_binary): New class.
3784         (open_incremental_binary): Declare.
3785         * object.cc (is_elf_object): Use
3786         elfcpp::Elf_recognizer::is_elf_file.
3787         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3788         * output.h (Output_file::filesize): New method.
3789
3790 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3791
3792         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3793         New function.
3794         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3795         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3796         function.
3797         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3798         function.
3799         (Arm_relocate_functions::movw_abs_nc): New function.
3800         (Arm_relocate_functions::movt_abs): New function.
3801         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3802         (Arm_relocate_functions::thm_movt_abs): New function.
3803         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3804         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3805         (Scan::global): Likewise.
3806         (Relocate::relocate): Likewise.
3807         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3808
3809 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3810
3811         * arm.cc (Arm_relocate_functions::got_prel) New function.
3812         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3813         (Relocate::relocate): Likewise.
3814         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3815
3816 2009-10-06  Ian Lance Taylor  <iant@google.com>
3817
3818         * options.h (class General_options): Define
3819         split_stack_adjust_size parameter.
3820         * object.h (class Object): Add uses_split_stack_ and
3821         has_no_split_stack_ fields.  Add uses_split_stack and
3822         has_no_split_stack accessor functions.  Declare
3823         handle_split_stack_section.
3824         (class Reloc_symbol_changes): Define.
3825         (class Sized_relobj): Define Function_offsets.  Declare
3826         split_stack_adjust, split_stack_adjust_reltype, and
3827         find_functions.
3828         * object.cc (Object::handle_split_stack_section): New function.
3829         (Sized_relobj::do_layout): Call handle_split_stack_section.
3830         * dynobj.cc (Sized_dynobj::do_layout): Call
3831         handle_split_stack_section.
3832         * reloc.cc (Sized_relobj::relocate_sections): Call
3833         split_stack_adjust for executable sections in split_stack
3834         objects.  Pass reloc_map to relocate_section.
3835         (Sized_relobj::split_stack_adjust): New function.
3836         (Sized_relobj::split_stack_adjust_reltype): New function.
3837         (Sized_relobj::find_functions): New function.
3838         * target-reloc.h: Include "object.h".
3839         (relocate_section): Add reloc_symbol_changes parameter.  Change
3840         all callers.
3841         * target.h (class Target): Add calls_non_split method.  Declare
3842         do_calls_non_split virtual method.  Declare match_view and
3843         set_view_to_nop.
3844         * target.cc: Include "elfcpp.h".
3845         (Target::do_calls_non_split): New function.
3846         (Target::match_view): New function.
3847         (Target::set_view_to_nop): New function.
3848         * gold.cc (queue_middle_tasks): Give an error if mixing
3849         split-stack and non-split-stack objects with -r.
3850         * i386.cc (Target_i386::relocate_section): Add
3851         reloc_symbol_changes parameter.
3852         (Target_i386::do_calls_non_split): New function.
3853         * x86_64.cc (Target_x86_64::relocate_section): Add
3854         reloc_symbol_changes parameter.
3855         (Target_x86_64::do_calls_non_split): New function.
3856         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3857         parameter.
3858         * powerpc.cc (Target_powerpc::relocate_section): Add
3859         reloc_symbol_changes parameter.
3860         * sparc.cc (Target_sparc::relocate_section): Add
3861         reloc_symbol_changes parameter.
3862         * configure.ac: Call AM_CONDITIONAL for the default target.
3863         * configure: Rebuild.
3864         * testsuite/Makefile.am (TEST_AS): New variable.
3865         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3866         (check_DATA): Add split_i386 and split_x86_64 files.
3867         (SPLIT_DEFSYMS): Define.
3868         (split_i386_[1234n].o): New targets.
3869         (split_i386_[124]): New targets.
3870         (split_i386_[1234r].stdout): New targets.
3871         (split_x86_64_[1234n].o): New targets.
3872         (split_x86_64_[124]): New targets.
3873         (split_x86_64_[1234r].stdout): New targets.
3874         (MOSTLYCLEANFILES): Add new executables.
3875         * testsuite/split_i386.sh: New file.
3876         * testsuite/split_x86_64.sh: New file.
3877         * testsuite/split_i386_1.s: New file.
3878         * testsuite/split_i386_2.s: New file.
3879         * testsuite/split_i386_3.s: New file.
3880         * testsuite/split_i386_4.s: New file.
3881         * testsuite/split_i386_n.s: New file.
3882         * testsuite/split_x86_64_1.s: New file.
3883         * testsuite/split_x86_64_2.s: New file.
3884         * testsuite/split_x86_64_3.s: New file.
3885         * testsuite/split_x86_64_4.s: New file.
3886         * testsuite/split_x86_64_n.s: New file.
3887         * testsuite/testfile.cc (Target_test): Update relocation_section
3888         function.
3889         * testsuite/Makefile.in: Rebuild.
3890
3891 2009-10-06  Ian Lance Taylor  <iant@google.com>
3892
3893         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3894         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3895         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3896         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3897         the address on ldo_addrs_.
3898         (Target_i386::Relocate::fix_up_ldo): New function.
3899
3900 2009-10-06   Rafael Espindola  <espindola@google.com>
3901
3902         * plugin.cc (add_input_library): New.
3903         (Plugin::load): Add add_input_library to tv.
3904         (Plugin_manager::add_input_file): Add the is_lib argument.
3905         (add_input_file): Update call to Plugin_manager::add_input_file.
3906         (add_input_library): New.
3907         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3908
3909 2009-09-30  Doug Kwan  <dougkwan@google.com>
3910
3911         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3912         symbol and call Symbol::may_need_copy_reloc to determine if
3913         a copy reloc is needed.
3914         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3915         nocopyreloc is given in command line.
3916         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3917         given in command line.
3918         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3919         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3920         of the removed Target_i386::may_need_copy_reloc.
3921         * options.h (copyreloc): New option with default value false.
3922         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3923         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3924         instead of the removed Target_powerpc::may_need_copy_reloc.
3925         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3926         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3927         instead of the removed Target_sparc::may_need_copy_reloc.
3928         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3929         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3930         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3931         instead of the removed Target_x86_64::may_need_copy_reloc.
3932
3933 2009-09-30  Ian Lance Taylor  <iant@google.com>
3934
3935         * object.h (class Object): Remove target_ field, and target,
3936         sized_target, and set_target methods.
3937         (Object::sized_target): Remove.
3938         (class Sized_relobj): Update declarations.  Remove sized_target.
3939         * object.cc (Sized_relobj::setup): Remove target parameter.
3940         Change all callers.
3941         (Input_objects::add_object): Don't do anything with the target.
3942         (make_elf_sized_object): Add punconfigured parameter.  Change all
3943         callers.  Set or test parameter target.
3944         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3945         Change all callers.
3946         * parameters.cc (Parameters::set_target): Change parameter type to
3947         be non-const.
3948         (Parameters::default_target): Remove.
3949         (set_parameters_target): Change parameter type to be non-const.
3950         (parameters_force_valid_target): New function.
3951         (parameters_clear_target): New function.
3952         * parameters.h (class Parameters): Update declarations.  Remove
3953         default_target method.  Add sized_target and clear_target
3954         methods.  Change target_ to be non-const.
3955         (set_parameters_target): Update declaration.
3956         (parameters_force_valid_target): Declare.
3957         (parameters_clear_target): Declare.
3958         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3959         as NULL if we aren't searching.
3960         (Add_symbols::run): Don't check for compatible target.
3961         * fileread.cc (Input_file::open_binary): Call
3962         parameters_force_valid_target.
3963         * gold.cc (queue_middle_tasks): Likewise.
3964         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3965         set_target on object.
3966         * dynobj.h (class Sized_dynobj): Update declarations.
3967         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3968         make_elf_object returns NULL.
3969         (Archive::include_member): Don't check whether object target is
3970         compatible.
3971         * output.cc (Output_section::add_input_section): Get target from
3972         parameters.
3973         (Output_section::relax_input_section): Likewise.
3974         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3975         parameters.
3976         (Sized_relobj::do_scan_relocs): Likewise.
3977         (Sized_relobj::relocate_sections): Likewise.
3978         * resolve.cc (Symbol_table::resolve): Likewise.
3979         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3980         parameter.  Change all callers.
3981         (Symbol_table::add_from_object): Get target from parameters.
3982         (Symbol_table::add_from_relobj): Don't check object target.
3983         (Symbol_table::add_from_dynobj): Likewise.
3984         (Symbol_table::define_special_symbol): Get target from
3985         parameters.
3986         * symtab.h (class Symbol_table): Update declaration.
3987         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3988         parameter.  Change all callers.  Clear parameter target.
3989         (Binary_test): Test target here.
3990         * testsuite/object_unittest.cc (gold_testsuite): Remove
3991         target_test_pointer parameter.  Change all callers.
3992         (Object_test): Test target here.
3993
3994 2009-09-26  Ian Lance Taylor  <iant@google.com>
3995
3996         * testsuite/initpri1.c: Don't try to use constructor priorities if
3997         compiling with gcc before 4.3.
3998
3999 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
4000
4001         * testsuite/retain_symbols_file_test.sh (check_present): Change
4002         output file name to retain_symbols_file_test.stdout.
4003         (check_absent): Likewise.
4004
4005 2009-09-18  Craig Silverstein  <csilvers@google.com>
4006
4007         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4008         * options.cc: Include <cerrno> and <fstream>.
4009         (General_options::finalize): Parse -retain-symbols-file tag.
4010         * options.h: New flag.
4011         (General_options): New method should_retain_symbol, new
4012         variable symbols_to_retain.
4013         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4014         should_retain_symbol map.
4015         * testsuite/Makefile.am (retain_symbols_file_test): New test.
4016         * testsuite/Makefile.in: Regenerate.
4017         * testsuite/retain_symbols_file_test.sh: New file.
4018
4019 2009-09-18  Nick Clifton  <nickc@redhat.com>
4020
4021         * po/es.po: Updated Spanish translation.
4022
4023 2009-09-17  Doug Kwan  <dougkwan@google.com>
4024
4025         * debug.h (DEBUG_RELAXATION): New constant.
4026         (DEBUG_ALL): Add DEBUG_RELAXATION.
4027         (debug_string_to_enum): Add relaxation debug option.
4028         * layout.cc
4029         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4030         Layout::Relaxation_debug_check::read_sections,
4031         Layout::Relaxation_debug_check::read_sections): New method definitions.
4032         (Layout::Layout): Initialize data members
4033         record_output_section_data_from_scrips_,
4034         script_output_section_data_list_ and relaxation_debug_check_.
4035         (Layout::save_segments, Layout::restore_segments,
4036         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4037         Layout::relaxation_loop_body): New method definitions.
4038         (Layout::finalize): Support relaxation.  Move section layout code to
4039         Layout::relaxation_loop_body.
4040         (Layout::set_asection_address_from_script): Move code for orphan
4041         section placement out.
4042         (Layout::place_orphan_sections_in_script): New method definition.
4043         * layout.h (Output_segment_headers, Output_file_header):
4044         New forward class declarations.
4045         (Layout::~Layout): Define.
4046         (Layout::new_output_section_data_from_script): New method definition.
4047         (Layout::place_orphan_sections_in_script): New method declaration.
4048         (Layout::Segment_states): New type declaration.
4049         (Layout::save_segments, Layout::restore_segments,
4050         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4051         Layout::relaxation_loop_body): New method declarations.
4052         (Layout::Output_section_data_list): New type declaration.
4053         (Layout::Relaxation_debug_check): New class definition.
4054         (Layout::record_output_section_data_from_script_,
4055         Layout::script_output_section_data_list_, Layout::segment_states_,
4056         Layout::relaxation_debug_check_): New data members.
4057         * output.cc: (Output_section_headers::do_size): New method definition.
4058         (Output_section_headers::Output_section_headers): Move size
4059         computation to Output_section_headers::do_size.
4060         (Output_segment_headers::do_size): New method definition.
4061         (Output_file_header::Output_file_header): Move size computation to
4062         Output_file_header::do_size and call it.
4063         (Output_file_header::do_size): New method definition.
4064         (Output_data_group::Output_data_group): Adjust call to
4065         Output_section_data.
4066         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4067         (Output_symtab_xindex::do_write): Add array bound check.
4068         (Output_section::Input_section::print_to_mapfile): Handle
4069         RELAXED_INPUT_SECTION_CODE.
4070         (Output_section::Output_section): Initialize data member checkpoint_.
4071         (Output_section::~Output_section): Delete checkpoint object pointed
4072         by checkpoint_.
4073         (Output_section::add_input_section): Always add an Input_section if
4074         relaxing.
4075         (Output_section::add_merge_input_section): Add assert.
4076         (Output_section::relax_input_section): New method definition.
4077         (Output_section::set_final_data_size): Set load address to zero for
4078         an unallocated section.
4079         (Output_section::do_address_and_file_offset_have_reset_values):
4080         New method definition.
4081         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4082         Handle relaxed input section.
4083         (Output_section::sort_attached_input_sections): Checkpoint input
4084         section list lazily.
4085         (Output_section::get_input_sections): Change type of input_sections to
4086         list of Simple_input_section pointers.  Checkpoint input section list
4087         lazily.  Also handle relaxed input sections.
4088         (Output_section::add_input_section_for_script): Take a reference to
4089         a Simple_input_section object instead of Relobj pointer and section
4090         index as parameter.  Handle relaxed input sections.
4091         (Output_section::save_states, Output_section::restore_states): New
4092         method definitions.
4093         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4094         (Output_data::is_data_size_fixed): New method definition.
4095         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4096         if it is fixed.
4097         (Output_data::address_and_file_offset_have_reset_values): New method
4098         definition.
4099         (Output_data::do_address_and_file_offset_have_reset_values): New method
4100         definition.
4101         (Output_data::set_data_size): Check that data size is not fixed.
4102         (Output_data::fix_data_size): New method definition.
4103         (Output_data::is_data_size_fixed_): New data member.
4104         (Output_section_headers::set_final_data_size): New method definition.
4105         (Output_section_headers::do_size): New method declaration.
4106         (Output_segment_headers::set_final_data_size): New method definition.
4107         (Output_segment_headers::do_size): New method declaration.
4108         (Output_file_header::set_final_data_size)::New method definition.
4109         (Output_file_header::do_size)::New method declaration.
4110         (Output_section_data::Output_section_data): Add new parameter
4111         is_data_size_fixed and use it to fix data size.
4112         (Output_data_const::Output_data_const): Adjust call to base class
4113         constructor and fix data size.
4114         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4115         base class constructor and fix data size.
4116         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4117         base class constructor and fix data size.
4118         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4119         class constructor and fix data size.
4120         (Output_data_group::set_final_data_size): New method definition.
4121         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4122         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4123         class constructor and fix data size.
4124         (Output_relaxed_input_section): New class definition.
4125         (Output_section::Simple_input_section): New class definition.
4126         (Output_section::get_input_sections): Adjust parameter list.
4127         (Output_section::add_input_section_for_script): Same.
4128         (Output_section::save_states, Output_section::restore_states,
4129         Output_section::do_address_and_file_offset_have_reset_values,
4130         (Output_section::Input_section::Input_section): Handle
4131         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4132         Output_relaxed_input_section.
4133         (Output_section::Input_section::is_input_section,
4134         Output_section::Input_section::set_output_section): Handle relaxed
4135         input section.
4136         (Output_section::Input_section::is_relaxed_input_section,
4137         Output_section::Input_section::output_section_data,
4138         Output_section::Input_section::relaxed_input_section): New method
4139         definitions.
4140         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4141         value.
4142         (Output_section::Input_section::u1_): Update comments.
4143         (Output_section::Input_section::u2_): Add new union member poris.
4144         (Output_section::Checkpoint_output_section): New classs definition.
4145         (Output_section::relax_input_section): New method declaration.
4146         (Output_section::checkpoint_): New data member.
4147         (Output_segment): Update comments.
4148         (Output_segment::Output_segment): Un-privatize copy constructor.
4149         (Output_segment::operator=): Un-privatize.
4150         * script-sections.cc (Output_section_element::Input_section_list):
4151         Change element type to Output_section::Simple_input_section.
4152         (Output_section_element_dot_assignment::set_section_addresses):
4153         Register output section data for relaxation clean up.
4154         (Output_data_exression::Output_data_expression): Adjust call to base
4155         constructor to fix data size.
4156         (Output_section_element_data::set_section_addresses): Register
4157         Output_data_expression object for relaxation clean up.
4158         (struct Input_section_info): Replace Relobj pointer and section index
4159         pair with Output_section::Simple_input_section and Convert struct to a
4160         class.
4161         (Input_section_sorter::operator()): Adjust access to
4162         Input_section_info data member to use accessors.
4163         (Output_section_element_input::set_section_addresses): Use layout
4164         parameter.  Adjust code to use Output_section::Simple_input_section
4165         and Input_secction_info classes.  Register filler for relaxation
4166         clean up.
4167         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4168         and section index pair with Output_section::Simple_input_section
4169         class.  Adjust code accordingly.
4170         (Phdrs_element::release_segment): New method definition.
4171         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4172         segment list.
4173         (Script_sections::release_segments): New method definition.
4174         * gold/script-sections.h (Script_sections::release_segments): New
4175         method declaration.
4176         * gold/target.h (Target::may_relax, Target::relax,
4177         Target::do_may_relax, Target::do_relax): New method definitions.
4178
4179 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4180
4181         * arm.cc (has_signed_unsigned_overflow): New function.
4182         (Arm_relocate_functions::abs8): New function.
4183         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4184         (Target_arm::Scan::global): Likewise.
4185         (Target_arm::relocate::relocate): Likewise.
4186         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4187         Likewise.
4188
4189 2009-09-16  Cary Coutant  <ccoutant@google.com>
4190
4191         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4192         * testsuite/Makefile.in: Regenerate.
4193
4194 2009-09-11  Nick Clifton  <nickc@redhat.com>
4195
4196         * po/gold.pot: Updated by the Translation project.
4197
4198 2009-09-08  Cary Coutant  <ccoutant@google.com>
4199
4200         * output.cc (Output_file::open): Add execute permission to empty file.
4201         * testsuite/Makefile.am (permission_test): New test.
4202         * testsuite/Makefile.in: Regenerate.
4203
4204 2009-09-02  Ian Lance Taylor  <iant@google.com>
4205
4206         * output.cc (Output_file::resize): Call map_no_anonymous rather
4207         than map.
4208
4209 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4210
4211         * gold.cc: Include "incremental.h".
4212         (queue_initial_tasks): Call Incremental_checker methods.
4213         * incremental.cc: Include "output.h".
4214         (Incremental_checker::can_incrementally_link_output_file): New
4215         method.
4216         * incremental.h (Incremental_checker): New class.
4217
4218         * output.cc (Output_file::open_for_modification): New method.
4219         (Output_file::map_anonymous): Changed return type to bool.  Record
4220         map in base_ field.
4221         (Output_file::map_no_anonymous): New method, broken out of map.
4222         (Output_file::map): Use map_no_anonymous and map_anonymous.
4223         * output.h (class Output_file): Update declarations.
4224
4225 2009-08-24  Cary Coutant  <ccoutant@google.com>
4226
4227         * options.h (Command_line::Pre_options): New class.
4228         (Command_line::pre_options): New member.
4229         * options.cc (gold::options::ready_to_register): New variable.
4230         (One_option::register_option): Do nothing if not registering options.
4231         Assert if same short option registered twice.
4232         (General_options::General_options): Turn off option registration when
4233         done constructing.
4234         (Command_line::Pre_options::Pre_options): New constructor.
4235
4236 2009-08-24  Cary Coutant  <ccoutant@google.com>
4237
4238         * options.h (General_options::no_keep_memory): Remove incorrect
4239         short option.
4240
4241 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4242
4243         * Makefile.am (am__skiplex, am__skipyacc): New.
4244         * Makefile.in: Regenerate.
4245
4246 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4247
4248         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4249         (INCLUDES): ... this.
4250         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4251         (AM_CPPFLAGS): Renamed from ...
4252         (INCLUDE): ... this.
4253         * Makefile.in, testsuite/Makefile.in: Regenerate.
4254
4255         * Makefile.in: Regenerate.
4256         * aclocal.m4: Likewise.
4257         * config.in: Likewise.
4258         * configure: Likewise.
4259         * testsuite/Makefile.in: Likewise.
4260
4261         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4262         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4263         * Makefile.in: Regenerate.
4264         * testsuite/Makefile.in: Regenerate.
4265
4266 2009-08-19  Cary Coutant  <ccoutant@google.com>
4267
4268         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4269         symbols in shared libraries overridden by hidden or internal symbols
4270         in the main program.
4271
4272 2009-08-19  Chris Demetriou  <cgd@google.com>
4273
4274         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4275         checking source file names in error messages.
4276
4277 2009-08-18  Doug Kwan  <dougkwan@google.com>
4278
4279         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4280         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4281         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4282         an elfcpp::Ehdr as parameter.
4283         * object.cc (Object::set_target): Remove the version that looks up
4284         a target and sets it.
4285         (Sized_relobj::setup): Take a Target object instead of
4286         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4287         (make_elf_sized_object): Find target and ask target to
4288         make an ELF object.
4289         * object.h: (Object::set_target): Remove the version that looks up
4290         a target and sets it.
4291         (Sized_relobj::setup): Take a Target object instead of
4292         an elfcpp:Ehdr as parameter.
4293         * target.cc: Include dynobj.h.
4294         (Target::do_make_elf_object_implementation): New.
4295         (Target::do_make_elf_object): New.
4296         * target.h (Target::make_elf_object): New template declaration.
4297         (Target::do_make_elf_object): New method declarations.
4298         (Target::do_make_elf_object_implementation): New template declaration.
4299
4300 2009-08-14  Ian Lance Taylor  <iant@google.com>
4301
4302         * gold.h (FUNCTION_NAME): Define.
4303         (gold_unreachable): Use FUNCTION_NAME.
4304
4305 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4306
4307         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4308         symbol in the --keep-unique list is not found.
4309
4310 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4311
4312         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4313         been maked as --keep-unique.
4314         (Icf::unfold_section): New function.
4315         * icf.h (Icf::unfold_section): New function.
4316         * options.h (General_options::keep_unique): New option.
4317         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4318         * testsuite/Makefile.in: Regenerate.
4319         * testsuite/icf_keep_unique_test.sh: New file.
4320         * testsuite/icf_keep_unique_test.cc: New file.
4321
4322 2009-08-12  Cary Coutant  <ccoutant@google.com>
4323
4324         PR 10471
4325         * resolve.cc (Symbol_table::resolve): Check for references from
4326         dynamic objects to hidden and internal symbols.
4327         * testsuite/Makefile.am (hidden_test.sh): New test.
4328         * testsuite/Makefile.in: Regenerate.
4329         * testsuite/hidden_test.sh: New script.
4330         * testsuite/hidden_test_1.c: New test source.
4331         * testsuite/hidden_test_main.c: New test source.
4332
4333 2009-08-11  Doug Kwan  <dougkwan@google.com>
4334
4335         * arm.cc: Update comments.
4336         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4337         segment to locate the .ARM.exidx section if present.
4338
4339 2009-08-09  Doug Kwan  <dougkwan@google.com>
4340
4341         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4342         patch.
4343
4344 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4345         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4346         compiler warnings.
4347
4348 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4349
4350         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4351         valid tls_segment only for non-debug-section relocations.
4352         * testsuite/Makefile.am: Add gc_tls_test.
4353         * testsuite/Makefile.in: Regenerate.
4354         * testsuite/gc_tls_test.cc: New file.
4355         * testsuite/gc_tls_test.sh: New file.
4356
4357 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4358
4359         * icf.cc: New file.
4360         * icf.h: New file.
4361         * Makefile.am (CCFILES): Add icf.cc.
4362         (HFILES): Add icf.h
4363         * Makefile.in: Regenerate.
4364         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4365         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4366         section, symbol and addend information for the relocs.
4367         * gold.cc (queue_middle_tasks): Call identical code folding.
4368         * gold.h: Add defines for multimap.
4369         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4370         to the call of finalize_local_symbols.
4371         * main.cc (main): Create object of class Icf.
4372         * object.cc (Sized_relobj::do_layout): Allow this function to be
4373         called twice during icf.
4374         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4375         to sections marked as identical by icf.
4376         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4377         when available.
4378         (Sized_relobj::do_section_entsize): New function.
4379         * object.h (Object::section_entsize): New function.
4380         (Object::do_section_entsize): New pure virtual function.
4381         (Relobj::finalize_local_symbols): Add new parameter.
4382         (Relobj::do_section_entsize): New function.
4383         * options.h (General_options::icf): New option.
4384         (General_options::icf_iterations): New option.
4385         (General_options::print_icf_sections): New option.
4386         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4387         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4388         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4389         icf.
4390         * symtab.cc (Symbol_table::is_section_folded): New function.
4391         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4392         to sections marked as identical by icf.
4393         * symtab.h (Symbol_table::set_icf): New function.
4394         (Symbol_table::icf): New function.
4395         (Symbol_table::is_section_folded): New function.
4396         (Symbol_table::icf_): New data member.
4397         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4398         * testsuite/Makefile.am: Add commands to build icf_test.
4399         * testsuite/Makefile.in: Regenerate.
4400         * testsuite/icf_test.sh: New file.
4401         * testsuite/icf_test.cc: New file.
4402
4403 2009-07-24  Chris Demetriou  <cgd@google.com>
4404
4405         * layout.cc (is_compressible_debug_section): Fix incorrect
4406         comment about compressed section names.
4407
4408 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4409
4410         PR 10419
4411         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4412
4413 2009-07-16  Ian Lance Taylor  <iant@google.com>
4414
4415         PR 10400
4416         * layout.h: #include <map>.
4417         (class Kept_section): Change from struct to class.  Add accessors
4418         and setters.  Add section size to Comdat_group mapping.  Change
4419         Comdat_group to std::map.  Add is_comdat_ field.  Add
4420         linkonce_size field in union.
4421         (class Layout): Update declaration of find_or_add_kept_section.
4422         Don't declare find_kept_object.
4423         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4424         parameter.  Add object, shndx, is_comdat, and is_group_name
4425         parameters.  Change all callers.  Adjust for new Kept_section.
4426         (Layout::find_kept_object): Remove.
4427         * object.cc (Sized_relobj::include_section_group): Update use of
4428         Kept_section.  Rename secnum to shndx.  Only record
4429         Kept_comdat_section if sections are the same size.
4430         (Sized_relobj::include_linkonce_section): Update use of
4431         Kept_section.  Only record Kept_comdat_section if sections are the
4432         same size.  Set size of linkonce section.
4433         (Sized_relobj::map_to_kept_section): Update call to
4434         get_kept_comdat_section.
4435         * object.h (class Sized_relobj): Rename fields in
4436         Kept_comdat_section to drop trailing underscores; change object
4437         field to Relobj*.  Change Kept_comdat_section_table to store
4438         struct rather than pointer.
4439         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4440         Add kept_object and kept_shndx parameters.  Change all callers.
4441         (Sized_relobj::get_kept_comdat_section): Change return type to
4442         bool.  Add kept_object and kept_shndx parameters.  Change all
4443         callers.
4444         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4445         Layout::find_or_add_kept_section.
4446
4447 2009-07-09  Ian Lance Taylor  <iant@google.com>
4448
4449         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4450         Reserve space in the hash table.
4451
4452 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4453
4454         * fileread.cc (File_read::get_mtime): New method.
4455         * fileread.h (Timespec): New structure.
4456         (File_read::get_mtime): New method.
4457         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4458         Renamed from timestamp_nsec.
4459         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4460         Elf_Xword.
4461         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
4462         timestamp_nsec.
4463         (Incremental_inputs::report_archive): Save mtime; style fix.
4464         (Incremental_inputs::report_obejct): Save mtime; style fix.
4465         (Incremental_inputs::report_script): Save mtime; style fix.
4466         (Incremental_inputs::finalize_inputs): Style fix.
4467         (Incremental_inputs::finalize): Style fix.
4468         (Incremental_inputs::create_input_section_data): Store inputs
4469         mtime.
4470         * incremental.h (Incremental_inputs::report_script): Add mtime
4471         argument.
4472         (Incremental_inputs::Input_info::Input_info): Intialize only one
4473         union member.
4474         (Incremental_inputs::Input_info::archive): Move to nameless
4475         union.
4476         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4477         (Incremental_inputs::Input_info::script): Move to nameless union.
4478         (Incremental_inputs::mtime): New field.
4479         * script.cc (read_input_script): Pass file mtime to
4480         Incremental_input.
4481         * script.h (Script_info::inputs): Style fix.
4482
4483 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4484
4485         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4486         instead of 32.
4487
4488 2009-06-24  Ian Lance Taylor  <iant@google.com>
4489
4490         PR 10156
4491         * layout.cc (Layout::choose_output_section): If we find an
4492         existing section, update the flags.
4493         (Layout::create_notes): New function, broken out of
4494         Layout::finalize.
4495         (Layout::finalize): Don't create note sections.
4496         (Layout::create_note): Don't crash if linker script discards
4497         section.
4498         (Layout::create_gold_note): Likewise.
4499         (Layout::create_build_id): Likewise.  Don't set
4500         after_input_sections on the section.
4501         (Layout::create_executable_stack_info): Remove target parameter.
4502         Change caller.
4503         * layout.h (class Layout): Declare create_notes.  Update
4504         declaration of create_executable_stack_info.
4505         * gold.cc (queue_middle_tasks): Call create_notes.
4506         * output.cc (Output_section::update_flags_for_input_section): Move
4507         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4508         invalid.
4509         * output.h (Output_data::mark_address_invalid): New function.
4510         (class Output_section): Only declare, not define,
4511         update_flags_for_input_section.  Remove set_flags.
4512
4513 2009-06-24  Ian Lance Taylor  <iant@google.com>
4514
4515         * script-sections.cc (Output_section_definition::
4516         set_section_addresses): Rename shadowing local load_address to
4517         laddr.
4518
4519 2009-06-24  Ian Lance Taylor  <iant@google.com>
4520
4521         PR 10244
4522         * reloc.cc (relocate_sections): Skip empty relocation sections.
4523
4524 2009-06-23  Ian Lance Taylor  <iant@google.com>
4525
4526         PR 10156
4527         * layout.cc (Layout::create_note): Use choose_output_section
4528         rather than make_output_section.
4529
4530 2009-06-23  Ian Lance Taylor  <iant@google.com>
4531
4532         PR 10237
4533         * options.cc (General_options::parse_V): Set printed_version_.
4534         (General_options::General_options): Initialize printed_version_.
4535         * options.h (class General_options): Add printed_version_ field.
4536         * gold.cc (queue_initial_tasks): If there are no input files,
4537         don't give a fatal error if we printed the version information.
4538         (queue_middle_tasks): If using -r with a shared object, give a
4539         fatal error rather than an ordinary error.
4540
4541 2009-06-23  Ian Lance Taylor  <iant@google.com>
4542
4543         PR 10219
4544         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4545         (Layout::make_output_section): Set have_stabstr_section_ if we see
4546         a .stab*str section.
4547         (Layout::finalize): Call link_stabs_sections.
4548         (Layout::link_stabs_sections): New file.
4549         * layout.h (class Layout): Add have_stabstr_section_ field.
4550         Declare link_stabs_sections.
4551
4552 2009-06-23  Doug Kwan  <dougkwan@google.com>
4553
4554         * Makefile.am (libgold_a_LIBADD): New.
4555         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4556         * Makefile.in: Regenerate.
4557         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4558         * configure: Regenerate.
4559         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4560         * fileread.cc: Include sys/state.h
4561         * gold.h: Declare memmem and strndup if found missing.
4562         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4563
4564 2009-06-23  Ian Lance Taylor  <iant@google.com>
4565
4566         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4567         * configure: Rebuild.
4568
4569 2009-06-23  Ian Lance Taylor  <iant@google.com>
4570
4571         PR 10147
4572         * object.cc (Object::section_contents): Don't try to get a view if
4573         the section has length zero.
4574         (Object::handle_gnu_warning_section): If the section is empty, use
4575         the name of the section as the warning.
4576
4577 2009-06-23  Ian Lance Taylor  <iant@google.com>
4578
4579         PR 10133
4580         * stringpool.h (class Stringpool_template): Add optimize_ field.
4581         (Stringpool_template::set_optimize): New function.
4582         * stringpool.cc (Stringpool_template::Stringpool_template):
4583         Initialize optimize_ field.
4584         (Stringpool_template::set_string_offsets): Test local optimize
4585         fild rather than parameter.
4586         * layout.cc (Layout::Layout): Call set_optimize on the section
4587         name stringpool.
4588
4589 2009-06-22  Ian Lance Taylor  <iant@google.com>
4590
4591         PR 10030
4592         * yyscript.y: Parse TARGET.
4593         * script.cc (script_set_target): New function.
4594         * script-c.h (script_set_target): Declare.
4595         * options.cc (General_options::string_to_object_format): Rename
4596         from string_to_object_format in anonymous namespace.  Change
4597         callers.
4598         * options.h (class General_options): Declare
4599         string_to_object_format.
4600
4601 2009-06-22  Ian Lance Taylor  <iant@google.com>
4602
4603         * script-sections.cc (Script_sections::create_segments): Don't put
4604         program headers in a PT_LOAD segment if -n or -N.
4605
4606 2009-06-22  Ian Lance Taylor  <iant@google.com>
4607
4608         PR 10141
4609         * options.h (class General_options): Add -z lazy and -z now.  Sort
4610         -z options into alphabetical order.
4611         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4612
4613 2009-06-21  Ian Lance Taylor  <iant@google.com>
4614
4615         * layout.cc (Layout::make_output_section): Call
4616         Target::new_output_section.
4617         (Layout::attach_allocated_section_to_segment): Put large section
4618         sections in a separate load segment with the large segment flag
4619         set.
4620         (Layout::segment_precedes): Sort large data segments after other
4621         load segments.
4622         (align_file_offset): New static function.
4623         (Layout::set_segment_offsets): Use align_file_offset.
4624         * output.h (class Output_section): Add is_small_section_ and
4625         is_large_section_ fields.
4626         (Output_section::is_small_section): New function.
4627         (Output_section::set_is_small_section):  New function.
4628         (Output_section::is_large_section): New function.
4629         (Output_section::set_is_large_section): New function.
4630         (Output_section::is_large_data_section): New function.
4631         (class Output_segment): Add is_large_data_segment_ field.
4632         (Output_segment::is_large_data_segment): New function.
4633         (Output_segment::set_is_large_data_segment): New function.
4634         * output.cc (Output_section::Output_section): Initialize new
4635         fields.
4636         (Output_segment::Output_segment): Likewise.
4637         (Output_segment::add_output_section): Add assertion that large
4638         data sections always go in large data segments.  Force small data
4639         sections to the end of the list of data sections.  Force small BSS
4640         sections to the start of the list of BSS sections.  For large BSS
4641         sections to the end of the list of BSS sections.
4642         * symtab.h (class Symbol): Declare is_common_shndx.
4643         (Symbol::is_defined): Check Symbol::is_common_shndx.
4644         (Symbol::is_common): Likewise.
4645         (class Symbol_table): Define enum Commons_section_type.  Update
4646         declarations.  Add small_commons_ and large_commons_ fields.
4647         * symtab.cc (Symbol::is_common_shndx): New function.
4648         (Symbol_table::Symbol_table): Initialize new fields.
4649         (Symbol_table::add_from_object): Put small and large common
4650         symbols in the right list.
4651         (Symbol_table::sized_finalized_symbol): Check
4652         Symbol::is_common_shndx.
4653         (Symbol_table::sized_write_globals): Likewise.
4654         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4655         common symbol lists.  Don't call do_allocate_commons_list if the
4656         list is empty.
4657         (Symbol_table::do_allocate_commons_list): Remove is_tls
4658         parameter.  Add comons_section_type parameter.  Change all
4659         callers.  Handle small and large common symbols.
4660         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4661         Symbol::is_common_shndx.
4662         * resolve.cc (symbol_to_bits): Likewise.
4663         * target.h (Target::small_common_shndx): New function.
4664         (Target::small_common_section_flags): New function.
4665         (Target::large_common_shndx): New function.
4666         (Target::large_common_section_flags): New function.
4667         (Target::new_output_section): New function.
4668         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4669         small_common_section_flags, and large_common_section_flags
4670         fields.
4671         (Target::do_new_output_section): New virtual function.
4672         * arm.cc (Target_arm::arm_info): Initialize new fields.
4673         * i386.cc (Target_i386::i386_info): Likewise.
4674         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4675         Likewise.
4676         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4677         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4678         (Target_x86_64::do_new_output_section): New function.
4679         * configure.ac: Define conditional MCMODEL_MEDIUM.
4680         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4681         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4682         (large_LDFLAGS): Define.
4683         * testsuite/large.c: New file.
4684         * testsuite/testfile.cc (Target_test::test_target_info):
4685         Initialize new fields.
4686         * configure, testsuite/Makefile.in: Rebuild.
4687
4688 2009-06-05  Doug Kwan  <dougkwan@google.com>
4689
4690         * Makefile.am (CCFILES): Add target.cc.
4691         * Makefile.in: Regenerate.
4692         * i386.cc (class Target_i386): Define new virtual method to
4693         override do_is_local_label_name in parent.
4694         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4695         local symbols if --discard-locals or -X is given.
4696         * options.h (class General_options): Declare new options
4697         '--discard-locals' and '-X' for discarding locals.
4698         * target.h (class Target): Define new methods is_local_label_name.
4699         Declare new virtual method do_is_local_label_name.
4700         * target.cc: New file.
4701         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4702         (check_SCRIPTS): Add discard_locals_test.sh.
4703         (check_DATA): Add discard_local_tests.syms.
4704         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4705         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4706         * testsuite/Makefile.in: Regenerate.
4707         * testsuite/discard_locals_test.c: New file.
4708         * testsuite/discard_locals_test.sh: Same.
4709
4710 2009-06-05  Doug Kwan  <dougkwan@google.com>
4711
4712         * object.cc (Sized_relobj::Sized_relobj): Initialize
4713         discarded_eh_frame_shndx_ to -1U.
4714         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4715         section.
4716         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4717         a discarded .eh_frame section.
4718         (Sized_relobj::do_finalize_local_symbols): Ditto.
4719         * object.h (class Sized_relobj): Declare new member
4720         discarded_eh_frame_shndx_.
4721         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4722         (local_labels_test.o, local_labels_test): New rules.
4723         * testsuite/Makefile.in: Regenerate.
4724
4725 2009-06-04  Doug Kwan  <dougkwan@google.com>
4726
4727         * layout.cc (Layout::section_name_mapping): Add mapping for
4728         special ARM sections.
4729
4730 2009-06-03  Doug Kwan  <dougkwan@google.com>
4731
4732         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4733         (utils::has_overflow): Same.
4734
4735 2009-06-03  Ian Lance Taylor  <iant@google.com>
4736
4737         * layout.cc (Layout::section_name_mapping): New array, replacing
4738         Layout::linkonce_mapping.
4739         (Layout::section_name_mapping_count): New variable, replacing
4740         Layout::linkonce_mapping_count.
4741         (Layout::linkonce_output_name): Remove.
4742         (Layout::output_section_name): Rewrite.
4743         * layout.h (class Layout): Rename Linkonce_mapping to
4744         Section_name_mapping, linkonce_mapping to section_name_mapping,
4745         linkonce_mapping_count to section_name_mapping_count.  Don't
4746         declare linkonce_output_name.
4747
4748 2009-06-03  Doug Kwan  <dougkwan@google.com>
4749
4750         * gold/arm.cc (namespace utils): New.
4751         (Target_arm::reloc_is_non_pic): Define new method.
4752         (class Arm_relocate_functions): New.
4753         (Target_arm::Relocate::relocate): Handle relocation types used by
4754         Android.
4755
4756 2009-06-03  Ian Lance Taylor  <iant@google.com>
4757
4758         * arm.cc (Target_arm::scan::global): Use || instead of |.
4759
4760 2009-06-02  Doug Kwan  <dougkwan@google.com>
4761
4762         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4763         issued_non_pic_error_.
4764         (class Target_arm::Scan): Declare new method check_non_pic.
4765         Define new method symbol_needs_plt_entry.
4766         Declare new data member issued_non_pic_error_.
4767         (class Target_arm::Relocate): Declare new method
4768         should_apply_static_reloc.
4769         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4770         (Target_arm::Scan::check_non_pic): Define new method.
4771         (Target_arm::Scan::local): Handle a small subset of reloc types used
4772         by Android.
4773         (Target_arm::Scan::local): Same.
4774         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4775
4776 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4777
4778         * incremental.cc (Incremental_inputs::report_command_line): Filter
4779         out --incremental-* options.
4780
4781 2009-05-29  Doug Kwan  <dougkwan@google.com>
4782
4783         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4784         template class.
4785         (class Target_arm): Update comment.
4786         (Target_arm::Target_arm): Initialize new data members GOT_,
4787         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4788         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4789         and Target_arm::rel_dyn_section.
4790         Declare new_enum Target_arm::Got_type.
4791         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4792         and DYNBSS_.
4793         Update commments for member do_dynsym_value.
4794         (Target_arm::got_size, Target_arm::plt_section,
4795         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4796         new methods inside class defintion.
4797         (Target_arm::got_section): Define new method.
4798         (Target_arm::rel_dyn_section): Same.
4799         (Output_data_plt_arm): New template class.
4800         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4801         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4802         (Output_data_plt_arm::add_entry): Same.
4803         (Output_data_plt_arm::first_plt_entry): Define new
4804         static data member for PLT instruction template.
4805         (Output_data_plt_arm::plt_entry): Same.
4806         (Output_data_plt_arm::do_write): Define new method.
4807         (Target_arm::make_plt_entry): Same.
4808         (Target_arm::do_finalize_sections): Same.
4809         (Target_arm::do_dynsym_value): Same.
4810
4811 2009-05-28  Doug Kwan  <dougkwan@google.com>
4812
4813         * Makefile.am (TARGETSOURCES): Add arm.cc.
4814         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4815         * Makefile.in: Regenerate.
4816         * arm.cc: New file.
4817         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4818
4819 2009-05-26  Doug Kwan  <dougkwan@google.com>
4820
4821         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4822         (General_options::check_excluded_libs): Strip off directories in
4823         archive name before matching like GNU ld does.
4824         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4825         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4826         (exclude_libs_test_LDFLAGS): Add linker option
4827         -Wl,--exclude-libs,libexclude_libs_test_3
4828         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4829         an explicit archive without using -l.
4830         (alt/libexclude_libs_test_3.a): New make rule.
4831         * testsuite/Makefile.in: Regenerate.
4832         * testsuite/exclude_libs_test.c : Declare lib3_default().
4833         (main): Call it.
4834         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4835         * exclude_libs_test_3.c: New file.
4836
4837 2009-05-26  Nick Clifton  <nickc@redhat.com>
4838
4839         * po/id.po: New Indonesian translation.
4840         * po/gold.pot: Updated template file.
4841
4842 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4843
4844         * testsuite/Makefile.am: Add -ffunction-sections to compile
4845         gc_comdat_test files.  Add -Wl,--gc-sections to build
4846         gc_comdat_test.
4847         * testsuite/Makefile.in: Regenerate.
4848         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4849
4850 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4851
4852         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4853         kept comdat section was garbage collected.
4854         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4855         * testsuite/Makefile.in: Regenerate.
4856         * testsuite/gc_comdat_test.sh: New file.
4857         * testsuite/gc_comdat_test_1.cc: New file.
4858         * testsuite/gc_comdat_test_2.cc: New file.
4859
4860 2009-05-19  Doug Kwan  <dougkwan@google.com>
4861
4862         * archive.cc (Archive::Archive): Move constructor from archive.h
4863         to here.  Initialize no_export_.
4864         (Archive::get_elf_object_for_member): Set no_export flag of object.
4865         * archive.h (Archive::Archive): Move constructor body to
4866         archive.cc.
4867         (Archive::no_export): New method.
4868         (Archive::no_export_): New field.
4869         * object.h (Object::Object): Initialize no_export_ to false.
4870         (Object::no_export, Object::set_no_export): New methods.
4871         (Object::no_export_): New field.
4872         * options.cc (General_options::parse_exclude_libs): New method.
4873         (General_options::check_excluded_libs) Same.
4874         * options.h (exclude_libs): New option.
4875         (General_options::check_excluded_libs): New method declaration.
4876         (General_options::excluded_libs_): New field.
4877         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4878         default or protected visibility if an object has no-export flag set.
4879         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4880         (check_SCRIPTS): Add exclude_libs_test.sh.
4881         (check_DATA): Add exclude_libs_test.syms.
4882         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4883         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4884         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4885         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4886         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4887         libexclude_libs_test_2.a): New rules.
4888         * testsuite/Makefile.in: Regenerate.
4889         * testsuite/exclude_libs_test.c: New file.
4890         * testsuite/exclude_libs_test.sh: Ditto.
4891         * testsuite/exclude_libs_test_1.c: Ditto.
4892         * testsuite/exclude_libs_test_2.c: Ditto.
4893
4894 2009-05-15  Ian Lance Taylor  <iant@google.com>
4895
4896         * configure.ac: Check for declarations for cases where libiberty.h
4897         checks HAVE_DECL_xxx.
4898         * configure, config.in: Rebuild.
4899
4900 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4901
4902         * gold.h (Incremental_argument_list): Remove (invalid) forward
4903         declaration.
4904         * incremental.cc (Incremental_inputs::report_achive): New method.
4905         (Incremental_inputs::report_object): New method.
4906         (Incremental_inputs::report_script): New method.
4907         (Incremental_inputs::finalize_inputs): New method.
4908         (Incremental_inputs::finalize): Call finalize_inputs().
4909         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4910         Create inputs entries.
4911         * incremental.h (Incremental_input_type): New enum.
4912         (Incremental_inputs::Incremental_input): Initialize new fields.
4913         (Incremental_inputs::report_inputs): New method.
4914         (Incremental_inputs::report_achive): New method.
4915         (Incremental_inputs::report_object): New method.
4916         (Incremental_inputs::report_script): New method.
4917         (Incremental_inputs::finalize_inputs): New method.
4918         (Incremental_inputs::Input_info): New struct.
4919         (Incremental_inputs::Input_info_map): New typedef.
4920         (Incremental_inputs::lock_): New field.
4921         (Incremental_inputs::Inputs_): New field.
4922         (Incremental_inputs::Inputs_map): New field.
4923         * main.cc (main): Call Incremental_input::report_inputs.
4924         * options.h (Input_argument_list): Typedef moved from
4925         Input_arguments.
4926         (Input_file_group::Files): Remove, use ::Input_argument_list.
4927         (Input_file_group::Input_argument_list): Remove, use
4928         ::Input_argument_list.
4929         * plugin.cc (Plugin_manager::add_input_file): Add error in
4930         incremental build.
4931         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4932         functions.
4933         * script.cc (read_input_script): Call
4934         Incremental_input::report_script.
4935         * script.h (Script_info): New class.
4936
4937 2009-04-27  Ian Lance Taylor  <iant@google.com>
4938
4939         * x86_64.cc (do_adjust_output_section): Set entsize to
4940         plt_entry_size.
4941
4942 2009-04-23  Elliott Hughes  <enh@google.com>
4943
4944         * output.cc (Output_file::close): After short writes, continue
4945         writing from the correct offset in the buffer being written.
4946
4947 2009-04-23  Chris Demetriou  <cgd@google.com>
4948
4949         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4950         * configure: Regenerate.
4951         * config.in: Regenerate.
4952         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4953         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4954
4955 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4956
4957         * incremental.cc (Incremental_inputs_header_data): Renamed from
4958         Incremental_input_header_data.
4959         (Incremental_inputs_header_data::data_size): New field.
4960         (Incremental_inputs_header_data::put_input_file_count): Renamed
4961         from input_file_count.
4962         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4963         from command_line_offset.
4964         (Incremental_inputs_header_data::put_reserved): Renamed from
4965         put_reserved.
4966         (Incremental_inputs_entry_data): Renamed from
4967         Incremental_input_entry_data.
4968         (Incremental_inputs_entry_data::data_size): New field.
4969         (Incremental_inputs::report_command_line): New method.
4970         (Incremental_inputs::finalize): New method.
4971         (Incremental_inputs::create_incremental_inputs_data): New method.
4972         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4973         * incremental.h: New file.
4974         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4975        (Layout::finalize): Create incremental inputs section in
4976         incremental builds.
4977        (Layout::create_incremental_info_sections): New method.
4978         * layout.h (Layout::incremental_inputs): New method.
4979        (Layout::create_incremental_info_sections): New method.
4980        (Layout::incremental_inputs_): New field.
4981         * main.cc (main): Notify Incremental_input of the command line.
4982
4983 2009-04-01  Ian Lance Taylor  <iant@google.com>
4984             Mikolaj Zalewski  <mikolajz@google.com>
4985
4986         * gold.h (reserve_unordered_map): Define, three versions, one for
4987         each version of Unordered_map.
4988         * layout.cc (Layout::Layout): Remove options parameter.  Add
4989         number_of_input_files parameter.  Don't initialize options_.
4990         Initialize number_of_input_files_ and resized_signatures_.  Move
4991         sections_are_attached_.
4992         (Layout::layout_group): Reserve space for group_signatures_.
4993         (Layout::find_or_add_kept_section): Change name parameter to be a
4994         reference.  Resize signatures_ map when it gets large enough.
4995         (Layout::layout_eh_frame): Use parameters->options() instead of
4996         this->options_.
4997         (Layout::make_output_section): Likewise.
4998         (Layout::attach_allocated_section_to_segment): Likewise.
4999         (Layout::finalize, Layout::create_executable_stack): Likewise.
5000         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5001         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5002         * layout.h (class Layout): Update declarations.  Remove options_
5003         field.  Add number_of_input_files_ and resized_signatures_
5004         fields.  Move sections_are_attached_ field.
5005         * main.cc (main): Pass number of input files to Layout
5006         constructor.  Don't pass options.
5007
5008 2009-03-30  Ian Lance Taylor  <iant@google.com>
5009
5010         * ffsll.c (ffsll): Correct implementation.
5011
5012 2009-03-27  Ian Lance Taylor  <iant@google.com>
5013
5014         * ffsll.c: New file.
5015         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5016         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5017         * ftruncate.c (ftruncate): Declare before definition.
5018         * mremap.c (mremap): Likewise.
5019         * pread.c (pread): Likewise.
5020         * configure, Makefile.in, config.in: Rebuild.
5021
5022         * mremap.c: New file.
5023         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5024         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5025         (mremap): Declare if HAVE_MREMAP is not defined.
5026         * configure, Makefile.in, config.in: Rebuild.
5027
5028 2009-03-27  Cary Coutant  <ccoutant@google.com>
5029
5030         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5031         position independent.
5032         * sparc.cc (Target_sparc::check_non_pic): Likewise.
5033         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5034
5035 2009-03-24  Cary Coutant  <ccoutant@google.com>
5036
5037         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5038         an executable.
5039         (needs_dynamic_reloc): Likewise.
5040
5041 2009-03-24  Ian Lance Taylor  <iant@google.com>
5042
5043         * yyscript.y (file_cmd): Recognize EXTERN.
5044         (extern_name_list, extern_name_list_body): New nonterminals.
5045         * script.cc (script_add_extern): Define.
5046         * script-c.h (script_add_extern): Declare.
5047
5048 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
5049
5050         * object.cc (is_elf_object): Define.
5051         * object.h (is_elf_object): Declare.
5052         * archive.cc (Archive::get_elf_object_for_member): Call
5053         is_elf_object.
5054         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5055
5056 2009-03-24  Elliott Hughes  <enh@google.com>
5057
5058         * output.cc (Output_file::map_anonymous): Define.
5059         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
5060         try an anonymous one.  Report the size if the mmap fails.
5061         * output.h (class Output_file): Declare map_anonymous.
5062
5063 2009-03-24  Ian Lance Taylor  <iant@google.com>
5064
5065         * target-select.cc (instantiate_target): Don't acquire the lock if
5066         the instantiated_target_ field has already been set.
5067
5068 2009-03-23  Ian Lance Taylor  <iant@google.com>
5069
5070         * gold-threads.h (class Initialize_lock): Define.
5071         * gold-threads.cc (class Initialize_lock_once): Define.
5072         (initialize_lock_control): New static variable.
5073         (initialize_lock_pointer): New static variable.
5074         (initialize_lock_once): New static function.
5075         (Initialize_lock::Initialize_lock): Define.
5076         (Initialize_lock::initialize): Define.
5077         * target-select.h: Include "gold-threads.h".
5078         (class Target_selector): Add lock_ and initialize_lock_ fields.
5079         Don't define instantiate_target, just declare it.
5080         * target-select.cc (Target_selector::Target_selector): Initialize
5081         new fields.
5082         (Target_selector::instantiate_target): Define.
5083         * descriptors.h: Include "gold-threads.h".
5084         (class Descriptors): Add initialize_lock_ field.
5085         * descriptors.cc (Descriptors::Descriptors): Initialize new
5086         field.
5087         (Descriptors::open): Use initialize_lock_ field
5088         * errors.h (class Errors): Add initialize_lock_ field.
5089         * errors.cc (Errors::Errors): Initialize new field.
5090         (Errors::initialize_lock): Use initialize_lock_ field.
5091         * powerpc.cc (class Target_selector_powerpc): Remove
5092         instantiated_target_ field.  In do_recognize call
5093         instantiate_target rather than do_instantiate_target.  In
5094         do_instantiate_target just allocate a new target.
5095         * sparc.cc (class Target_selector_sparc): Likewise.
5096
5097         * freebsd.h: New file.
5098         * i386.cc: Include "freebsd.h".
5099         (Target_i386): Derive from Target_freebsd rather than
5100         Sized_target.
5101         (Target_selector_i386): Derive from Target_selector_freebsd rather
5102         than Target_selector.
5103         * x86_64.cc: Include "freebsd.h".
5104         (Target_x86_64): Derive from Target_freebsd rather than
5105         Sized_target.
5106         (Target_selector_x86_64): Derive from Target_selector_freebsd
5107         rather than Target_selector.
5108         * target.h (class Target): Add adjust_elf_header and
5109         do_adjust_elf_header.
5110         * output.cc (Output_file_header:: do_sized_write): Call target
5111         adjust_elf_header routine.
5112         * configure.tgt: Set targ_osabi.
5113         * configure.ac: Define GOLD_DEFAULT_OSABI.
5114         * parameters.cc (Parameters::default_target): Pass
5115         GOLD_DEFAULT_OSABI to select_target.
5116         * target-select.h (class Target_selector): Make instantiate_target
5117         protected rather than private.
5118         * Makefile.am (HFILES): Add freebsd.h.
5119         * configure, Makefile.in, config.in: Rebuild.
5120
5121         * merge.cc (do_add_input_section): Correct pend value.  Change
5122         message about last entry not being null terminated from error to
5123         warning.
5124
5125 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5126
5127         * incremental.cc: New file.
5128         * Makefile.am (CCFILES): Add incremental.cc.
5129         * Makefile.in: Rebuild.
5130
5131 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5132
5133         * layout.cc (Layout::output_section_name): Preserve names
5134         of '.note.' sections.
5135
5136 2009-03-19  Ian Lance Taylor  <iant@google.com>
5137
5138         * descriptors.cc (Descriptors::open): Check that the options are
5139         valid before using them.
5140
5141 2009-03-18  Ian Lance Taylor  <iant@google.com>
5142
5143         * script-sections.h: Include <list>.
5144         (class Script_sections): Change Sections_elements from std::vector
5145         to std::list.  Typedef public Elements_iterator.  Add
5146         orphan_section_placement_, data_segment_align_start_, and
5147         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5148         field.
5149         * script-sections.cc (class Orphan_section_placement): New class.
5150         (class Sections_element): Add virtual functions is_relro and
5151         orphan_section_init.  Remove virtual function place_orphan_here.
5152         (class Output_section_definition): Add is_relro and
5153         orphan_section_init.  Remove place_orphan_here.
5154         (class Orphan_output_section): Likewise.
5155         (Script_sections::Script_sections): Update for field changes.
5156         (Script_sections::data_segment_align): Set saw_data_segment_align_
5157         and data_segment_align_start_, not data_segment_align_index.
5158         (Script_sections::data_segment_relro_end): Check
5159         saw_data_segment_align_.  Use data_segment_align_start_ rather
5160         than data_segment_align_index_.
5161         (Script_sections::place_orphan): Rewrite to use
5162         Orphan_section_placement.
5163
5164 2009-03-17  Ian Lance Taylor  <iant@google.com>
5165
5166         * archive.cc (Archive::add_symbols): Check for a version attached
5167         to the symbol name in the archive map.
5168         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5169         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5170         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5171         (ver_test_11.a): New target.
5172         * testsuite/Makefile.in: Rebuild.
5173
5174         * configure.ac: Check for chsize and posix_fallocate.  Replace
5175         ftruncate.
5176         * ftruncate.c: New file, from gnulib.
5177         * output.cc (posix_fallocate): Define dummy version if not
5178         HAVE_POSIX_FALLOCATE.
5179         (Output_file::map): Call posix_fallocate rather than lseek and
5180         write.
5181         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5182         * configure, Makefile.in, config.in: Rebuild.
5183
5184 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5185
5186         * layout.h (Layout::create_note): Add section_name parameter.
5187         * layout.cc (Layout::create_note): Likewise.
5188         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5189
5190 2009-03-17  Ian Lance Taylor  <iant@google.com>
5191
5192         * descriptors.cc: Include "options.h".
5193         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5194         (Descriptors::open): Always use O_CLOEXEC when opening a new
5195         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5196         then set FD_CLOEXEC.
5197
5198         * sparc.cc (class Target_sparc): Add has_got_section.
5199         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5200         make sure we have a GOT section.
5201
5202         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5203         (Target_sparc::Scan::local): Likewise.
5204         (Target_sparc::Scan::global): Likewise.
5205         (Target_sparc::Relocate::relocate): Likewise.
5206         (Target_sparc::Relocate::relocate_tls): Likewise.
5207
5208         * symtab.cc (Symbol_table::define_default_version): New function,
5209         broken out of add_from_object.
5210         (Symbol_table::add_from_object): Call define_default_version.
5211         (Symbol_table::define_special_symbol): Add resolve_oldsym
5212         parameter.  Change all callers.  If the version for a symbol comes
5213         from a version script, resolve it with the symbol with the same
5214         name with no version.  Also add the symbol without a version if
5215         appropriate.
5216         (do_define_in_output_data): If resolving with oldsym, don't delete
5217         sym.
5218         (do_define_in_output_segment): Likewise.
5219         (do_define_as_constant): Likewise.
5220         * symtab.h (class Symbol_table): Update declarations.
5221
5222 2009-03-13  Ian Lance Taylor  <iant@google.com>
5223
5224         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5225         (Read_symbols::requeue): New function.
5226         (Read_symbols::do_read_symbols): If make_elf_object fails because
5227         the target type is not configured, and the file was searched for,
5228         issue a warning and retry with the next directory.
5229         (Add_symbols::run): If the file has an incompatible format, and
5230         it was searched for, requeue the Read_symbols task.  On error,
5231         release the object.
5232         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5233         dirindex parameter to constructor.  Change all callers.  Declare
5234         incompatible_warning and requeue.
5235         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5236         input_argument_ and input_group_ fields.  Add them to
5237         constructor.  Change all callers.
5238         (class Read_script): Add dirindex_ field.  Add it to constructor.
5239         Change all callers.
5240         * archive.cc (Archive::setup): Remove input_objects parameter.
5241         Change all callers.
5242         (Archive::get_file_and_offset): Likewise.
5243         (Archive::read_all_symbols): Likewise.
5244         (Archive::read_symbols): Likewise.
5245         (Archive::get_elf_object_for_member): Remove input_objects
5246         parameter.  Add punconfigured parameter.  Change all callers.
5247         (Archive::add_symbols): Change return type to bool.  Check return
5248         value of include_member.
5249         (Archive::include_all_members): Likewise.
5250         (Archive::include_member): Change return type to bool.  Return
5251         false if first included object has incompatible target.  Set
5252         included_member_ field.
5253         (Add_archive_symbols::run): If add_symbols returns false, requeue
5254         Read_symbols task.
5255         * archive.h (class Archive): Add included_member_ field.
5256         Initialize it in constructor.  Add input_file and searched_for
5257         methods.  Update declarations.
5258         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5259         input_argument_ fields.  Add them to constructor.  Change all
5260         callers.
5261         * script.cc: Include "target-select.h".
5262         (class Parser_closure): Add skip_on_incompatible_target_ and
5263         found_incompatible_target_ fields.  Add
5264         skip_on_incompatible_target parameter to constructor.  Change all
5265         callers.  Add methods skip_on_incompatible_target,
5266         clear_skip_on_incompatible_target, found_incompatible_target, and
5267         set_found_incompatible_target.
5268         (read_input_script): Add dirindex parameter.  Change all callers.
5269         If parser finds an incompatible target, requeue Read_symbols
5270         task.
5271         (script_set_symbol): Clear skip_on_incompatible_target in
5272         closure.
5273         (script_add_assertion, script_parse_option): Likewise.
5274         (script_start_sections, script_add_phdr): Likewise.
5275         (script_check_output_format): New function.
5276         * script.h (read_input_script): Update declaration.
5277         * script-c.h (script_check_output_format): Declare.
5278         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5279         (ignore_cmd): Remove OUTPUT_FORMAT.
5280         * fileread.cc (Input_file::Input_file): Add explicit this.
5281         (Input_file::will_search_for): New function.
5282         (Input_file::open): Add pindex parameter.  Change all callers.
5283         * fileread.h (class Input_file): Add input_file_argument method.
5284         Declare will_search_for.  Update declarations.
5285         * object.cc (make_elf_object): Add punconfigured parameter.
5286         Change all callers.
5287         * object.h (class Object): Make input_file public.  Add
5288         searched_for method.
5289         (make_elf_object): Update declaration.
5290         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5291         restart search.
5292         * dirsearch.h (class Dirsearch): Update declaration.
5293         * options.h (class General_options): Add --warn-search-mismatch.
5294         * parameters.cc (Parameters::is_compatible_target): New function.
5295         * parameters.h (class Parameters): Declare is_compatible_target.
5296         * workqueue.cc (Workqueue::add_blocker): New function.
5297         * workqueue.h (class Workqueue): Declare add_blocker.
5298
5299         * fileread.cc (Input_file::open): Remove options parameter.
5300         Change all callers.
5301         (Input_file::open_binary): Likewise.
5302         * script.cc (read_input_script): Likewise.
5303         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5304         options parameter from constructor.  Change all callers.
5305         (class Read_script): Likewise.
5306         * fileread.h (class Input_file): Update declarations.
5307         * script.h (read_input_script): Update declaration.
5308
5309 2009-03-10  Nick Clifton  <nickc@redhat.com>
5310
5311         * po/es.po: New Spanish translation.
5312
5313 2009-03-06  Cary Coutant  <ccoutant@google.com>
5314
5315         * options.cc (parse_short_option): Keep dash_z from registering itself.
5316
5317 2009-03-03  Ian Lance Taylor  <iant@google.com>
5318
5319         PR 9918
5320         * target-reloc.h (relocate_section): Pass output_section to
5321         relocate.
5322         * i386.cc (Target_i386::should_apply_static_reloc): Add
5323         output_section parameter.  Change all callers.
5324         (Target_i386::Relocate::relocate): Add output_section parameter.
5325         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5326         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5327         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5328         * testsuite/two_file_shared.sh: New script.
5329         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5330         (check_DATA): Add two_file_shared.dbg.
5331         (two_file_shared.dbg): New target.
5332         * testsuite/Makefile.in: Rebuild.
5333
5334 2009-03-01  Ian Lance Taylor  <iant@google.com>
5335
5336         * configure.ac: Check for byteswap.h.
5337         * configure: Rebuild.
5338         * config.in: Rebuild.
5339
5340 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5341
5342         * layout.cc (Layout::find_or_add_kept_section): New function.
5343         (Layout::add_comdat): Removed.
5344         * layout.h (struct Kept_section): Move out of class Layout.
5345         Remove trailing underscores from field names.  Add group_sections
5346         field.  Rename group_ field to is_group.  Change all uses.
5347         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5348         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5349         comdat_groups_ field.
5350         (Sized_relobj::include_section_group): Use
5351         find_or_add_kept_section and Kept_section::group_sections.
5352         (Sized_relobj::include_linkonce_section): Likewise.
5353         * object.cc (class Sized_relobj): Don't define Comdat_group or
5354         Comdat_group_table.  Remove find_comdat_group and
5355         add_comdat_group.  Remove comdat_groups_ field.
5356         * plugin.cc (include_comdat_group): Use
5357         Layout::find_or_add_kept_section.
5358
5359 2009-02-28  Ian Lance Taylor  <iant@google.com>
5360
5361         * README: --gc-sections and map files are now supported.  Document
5362         some build requirements.
5363
5364         PR 6992
5365         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5366         relocatable link set the value of the section symbol to zero.
5367         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5368         relocatable link don't include the section address in the local
5369         symbol value.
5370
5371 2009-02-27  Ian Lance Taylor  <iant@google.com>
5372
5373         PR 6811
5374         * options.h (class Search_directory): Add is_system_directory.
5375         (class General_options): Declare is_in_system_directory.
5376         * options.cc (get_relative_sysroot): Make static.
5377         (get_default_sysroot): Make static.
5378         (General_optoins::is_in_system_directory): New function.
5379         * fileread.cc (Input_file::is_in_system_directory): New function.
5380         * fileread.h (class Input_file): Declare is_in_system_directory.
5381         * object.h (class Object): Add is_in_system_directory.
5382         (class Input_objects): Remove system_library_directory_ field.
5383         * object.cc (Input_objects::add_object): Don't set
5384         system_library_directory_.
5385         (input_objects::found_in_system_library_directory): Remove.
5386         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5387         parameter.  Change all callers.
5388         (Symbol_table::sized_write_globals): Likewise.
5389         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5390         Call Object::is_in_system_directory.
5391         * symtab.h (class Symbol_table): Update declarations.
5392
5393         PR 5990
5394         * descriptors.h (Open_descriptor): Add is_on_stack field.
5395         * descriptors.cc (Descriptors::open): If the descriptor is on the
5396         top of the stack, remove it.  Initialize is_on_stack field.
5397         (Descriptors::release): Only add pod to stack if it is not on the
5398         stack already.
5399         (Descriptors::close_some_descriptor): Clear stack_next and
5400         is_on_stack fields.
5401
5402         PR 7091
5403         * output.cc (Output_section::find_starting_output_address): Rename
5404         from starting_output_address; add PADDR parameter; change return
5405         type.
5406         * output.h (class Output_section): Declare
5407         find_starting_output_address instead of starting_output_address.
5408         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5409         section symbol for which we can't find a merge section.
5410
5411         PR 9836
5412         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5413         hidden or internal, force the symbol to be local.
5414         * resolve.cc (Symbol::override_visibility): Define.
5415         (Symbol::override_base): Use override_visibility.
5416         (Symbol_table::resolve): Likewise.
5417         (Symbol::override_base_with_special): Likewise.
5418         (Symbol_table::override_with_special): If the visibility is hidden
5419         or internal, force the symbol to be local.
5420         * symtab.h (class Symbol): Add set_visibility and
5421         override_visibility.
5422         * testsuite/ver_test_1.sh: New file.
5423         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5424         (check_DATA): Add ver_test_1.syms.
5425         (ver_test_1.syms): New target.
5426         * testsuite/Makefile.in: Rebuild.
5427
5428 2009-02-25  Cary Coutant  <ccoutant@google.com>
5429
5430         * layout.cc (Layout::choose_output_section): Don't rename sections
5431         when using a linker script that has a SECTIONS clause.
5432         * Makefile.in: Regenerate.
5433
5434         * testsuite/Makefile.am (script_test_5.sh): New test case.
5435         * testsuite/Makefile.in: Regenerate.
5436         * testsuite/script_test_5.cc: New file.
5437         * testsuite/script_test_5.sh: New file.
5438         * testsuite/script_test_5.t: New file.
5439
5440 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5441
5442         * archive.cc (Archive::include_member): Update calls to add_symbols.
5443         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5444         the Layout argument.
5445         * dynobj.h (do_add_symbols): Add the Layout argument.
5446         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5447         Layout argument.
5448         * object.h (Object::add_symbols): Add the Layout argument.
5449         (Object::do_add_symbols): Add the Layout argument.
5450         (Sized_relobj::do_add_symbols): Add the Layout argument.
5451         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5452         Unify the two versions.
5453         (Add_plugin_symbols): Remove.
5454         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5455         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5456         (Add_plugin_symbols): Remove.
5457         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5458         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5459         (Add_symbols::run): Make it work with Pulginobj.
5460
5461 2009-02-06  Ian Lance Taylor  <iant@google.com>
5462
5463         * object.cc (Sized_relobj::do_layout): Make info message start
5464         with lower case letter.
5465
5466 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5467
5468         * binary.cc: Fix file comment.
5469
5470         * options.h (enum Incremental_disposition): Define.
5471         (class General_options): Add new options: --incremental,
5472         --incremental_changed, --incremental_unchanged,
5473         --incremental_unknown.  Add incremental_disposition_ and
5474         implicit_incremental_ fields.
5475         (General_options::incremental_disposition): New function.
5476         (class Position_dependent_options): Add incremental_disposition
5477         option.
5478         (Position_dependent_options::copy_from_options): Set incremental
5479         dispositions.
5480         * options.cc (General_options::parse_incremental_changed): New
5481         function.
5482         (General_options::parse_incremental_unchanged): New function.
5483         (General_options::parse_incremental_unknown): New function.
5484         (General_options::General_options): Initialize new fields
5485         incremental_disposition_ and implicit_incremental_.
5486         (General_options::finalize): Check for uasge of --incremental-*
5487         without --incremental.
5488
5489 2009-02-06  Chris Demetriou  <cgd@google.com>
5490
5491         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5492         pointer and to report location as the file name associated with
5493         the symbol.
5494         (gold_undefined_symbol_at_location): New function to replace the
5495         old gold_undefined_symbol functionality.
5496         * target-reloc.h (relocate_section): Update to use
5497         gold_undefined_symbol_at_location.
5498         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5499         Call gold_undefined_symbol function rather than gold_error.
5500         * errors.h (Errors::undefined_symbol): Take location as a
5501         string, rather than calculating it from a relocation.
5502         * errors.cc (Errors::fatal): Print "fatal error:" before the
5503         formatted message.
5504         (Errors::error, Errors::error_at_location): Print "error: "
5505         before the formatted message.
5506         (Errors::undefined_symbol): Take location as a string, rather
5507         than calculating it from a relocation.
5508         (gold_undefined_symbol_at_location): New function akin to
5509         old gold_undefined_symbol, calculates location from relocation.
5510         (gold_undefined_symbol): Change to take only a Symbol pointer
5511         and to report location as the file name associated with the symbol.
5512         * testsuite/debug_msg.sh: Update for changed error messages.
5513         * testsuite/undef_symbol.sh: Likewise.
5514
5515 2009-02-04  Duncan Sands  <baldrick@free.fr>
5516
5517         PR 9812
5518         * reduced_debug_output.h
5519         (Output_reduced_debug_abbrev_section::failed): Use format for
5520         gold_warning.
5521         (Output_reduced_debug_info_section::faild): Likewise.
5522
5523 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5524
5525         * script.cc (Lazy_demangler): New class.
5526         (Version_script_info::get_symbol_version_helper): Demangle a
5527         symbol only once.
5528
5529 2009-01-29  Cary Coutant  <ccoutant@google.com>
5530
5531         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5532         to __tls_get_addr.
5533         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5534
5535 2009-01-28  Ian Lance Taylor  <iant@google.com>
5536
5537         * version.cc (version_string): Bump to 1.9.
5538
5539         * gold.h: Include <cstring> and <stdint.h>.
5540         * version.cc: Include <cstdio>.
5541         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5542         warning.
5543         * reduced_debug_output.cc (insert_into_vector): Rename from
5544         Insert_into_vector; change all callers.  Use Swap_unaligned to
5545         avoid aliasing issue; remove union since it is unnecessary.
5546
5547 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5548
5549         * Makefile.am (CCFILES): Add gc.cc.
5550         (HFILES): Add gc.h.
5551         * Makefile.in: Regenerate.
5552         * gold.cc (Gc_runner): New class.
5553         (queue_initial_tasks): Call garbage collection related tasks
5554         when corresponding options are invoked.
5555         (queue_middle_gc_tasks): New function.
5556         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5557         processed early before laying out sections during garbage collection.
5558         * gold.h (queue_middle_gc_tasks): New function.
5559         (is_prefix_of): Move from "layout.cc".
5560         * i386.cc (Target_i386::gc_process_relocs): New function.
5561         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5562         * main.cc (main): Create object of class "Garbage_collection".
5563         * object.cc (Relobj::copy_symbols_data): New function.
5564         (Relobj::is_section_name_included): New function.
5565         (Sized_relobj::do_layout): Allow this function to be called twice
5566         during garbage collection and defer layout of section during the
5567         first call.
5568         * object.h (Relobj::get_symbols_data): New function.
5569         (Relobj::is_section_name_included): New function.
5570         (Relobj::copy_symbols_data): New function.
5571         (Relobj::set_symbols_data): New function.
5572         (Relobj::get_relocs_data): New function.
5573         (Relobj::set_relocs_data): New function.
5574         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5575         (Relobj::gc_process_relocs): New function.
5576         (Relobj::do_gc_process_relocs): New pure virtual function.
5577         (Relobj::sd_): New data member.
5578         (Sized_relobj::is_output_section_offset_invalid): New function.
5579         (Sized_relobj::do_gc_process_relocs): New function.
5580         * options.h (General_options::gc_sections): Modify to not be a no-op.
5581         (General_options::print_gc_sections): New option.
5582         * plugin.cc (Plugin_finish::run): Remove function call to
5583         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5584         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5585         * reloc.cc (Read_relocs::run): Add task to process relocs and
5586         determine unreferenced sections when doing garbage collection.
5587         (Gc_process_relocs): New class.
5588         (Sized_relobj::do_gc_process_relocs): New function.
5589         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5590         sections that are garbage collected.
5591         * reloc.h (Gc_process_relocs): New class.
5592         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5593         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5594         symbols whose corresponding sections are garbage collected.
5595         (Symbol_table::Symbol_table): Add new parameter for the garbage
5596         collection object.
5597         (Symbol_table::gc_mark_undef_symbols): New function.
5598         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5599         (Symbol_table::gc_mark_dyn_syms): New function.
5600         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5601         as garbage.
5602         (Symbol_table::add_from_object): Likewise.
5603         (Symbol_table::add_from_relobj): When building shared objects, do not
5604         treat externally visible symbols as garbage.
5605         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5606         table information for static and relocatable links.
5607         * symtab.h (Symbol_table::set_gc): New function.
5608         (Symbol_table::gc): New function.
5609         (Symbol_table::gc_mark_undef_symbols): New function.
5610         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5611         (Symbol_table::gc_mark_dyn_syms): New function.
5612         (Symbol_table::gc_): New data member.
5613         * target.h (Sized_target::gc_process_relocs): New pure virtual
5614         function.
5615         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5616         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5617
5618 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5619
5620         * options.h (General_options::gc_sections): Define as a no-op for now.
5621         (General_options::no_keep_memory): Ditto.
5622         (General_options::Bshareable): Define.
5623         * options.cc (General_options::finalize): Honor -Bshareable.
5624
5625 2009-01-20  Andreas Schwab  <schwab@suse.de>
5626
5627         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5628         read the value in the contents, since we don't use it.  Use the
5629         template endianness when writing.
5630         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5631
5632 2009-01-19  Andreas Schwab  <schwab@suse.de>
5633
5634         * configure.tgt (powerpc64-*): Fix targ_obj.
5635
5636 2009-01-15  Ian Lance Taylor  <iant@google.com>
5637
5638         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5639         local symbols when stripping all symbols.
5640
5641 2009-01-14  Cary Coutant  <ccoutant@google.com>
5642
5643         * output.cc (Output_reloc): Add explicit instantiations.
5644
5645 2009-01-14  Cary Coutant  <ccoutant@google.com>
5646
5647         * archive.cc (Archive::get_elf_object_for_member): Remove call
5648         to File_read::claim_for_plugin.
5649         * descriptors.cc (Descriptors::open): Remove reference to
5650         is_claimed.
5651         (Descriptors::claim_for_plugin): Remove.
5652         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5653         (Descriptors::is_claimed): Remove.
5654         (claim_descriptor_for_plugin): Remove.
5655         * fileread.cc (File_read::claim_for_plugin): Remove.
5656         * fileread.h (File_read::claim_for_plugin): Remove.
5657         (File_read::descriptor): Reopen descriptor if necessary.
5658         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5659         (Plugin_manager::all_symbols_read): Add task parameter. Change
5660         all callers.
5661         (Plugin_manager::get_input_file): New function.
5662         (Plugin_manager::release_input_file): New function.
5663         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5664         corresponding data member.
5665         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5666         and pass to base constructor. Change all callers.
5667         (get_input_file, release_input_file): New functions.
5668         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5669         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5670         (Plugin_manager::all_symbols_read): Add task parameter.
5671         (Plugin_manager::get_input_file): New function.
5672         (Plugin_manager::release_input_file): New function.
5673         (Plugin_manager::task_): New data member.
5674         (Pluginobj::Pluginobj): Add filesize parameter.
5675         (Pluginobj::filename): New function.
5676         (Pluginobj::descriptor): New function.
5677         (Pluginobj::filesize): New function.
5678         (Pluginobj::filesize_): New data member.
5679         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5680         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5681         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5682
5683         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5684         with archive libraries.
5685         * testsuite/Makefile.in: Regenerate.
5686         * testsuite/plugin_test.c (struct sym_info): New type.
5687         (get_input_file, release_input_file): New static variables.
5688         (onload): Capture new transfer vector entries.
5689         (claim_file_hook): Stop reading at end of file according to filesize.
5690         Factor out parsing of readelf output into separate function.
5691         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5692         APIs and get the source file name from the symbol table.  Convert
5693         source file name to corresponding object file name.  Print info
5694         message when adding new input files.
5695         (parse_readelf_line): New function.
5696         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5697         * testsuite/plugin_test_2.sh: Likewise.
5698         * testsuite/plugin_test_3.sh: Likewise.
5699         * testsuite/plugin_test_4.sh: New test case.
5700
5701 2009-01-07  Ian Lance Taylor  <iant@google.com>
5702
5703         * version.cc (version_string): Bump to 1.8.
5704
5705 2008-12-23  Cary Coutant  <ccoutant@google.com>
5706
5707         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5708         * plugin.cc (Plugin_manager::finish): Rename as
5709         layout_deferred_objects.  Move cleanup to separate function.
5710         (Plugin_manager::cleanup): New function.
5711         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5712         separately.
5713         * plugin.h (Plugin_manager::finish): Rename as
5714         layout_deferred_objects.
5715         (Plugin_manager::cleanup): New function.
5716         (Plugin_manager::cleanup_done): New field.
5717
5718 2008-12-23  Cary Coutant  <ccoutant@google.com>
5719
5720         * plugin.cc (is_visible_from_outside): New function.
5721         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5722         so we don't return "IR only" status for exported symbols or -r links.
5723
5724         * testsuite/Makefile.am (plugin_test_3): New test case.
5725         * testsuite/Makefile.in: Regenerate.
5726         * testsuite/plugin_test_3.sh: New file.
5727
5728 2008-12-22  Cary Coutant  <ccoutant@google.com>
5729
5730         * object.cc (Sized_relobj::layout_section): New function.
5731         (Sized_relobj::do_layout): Defer layout of input sections until after
5732         plugin has provided replacement files.
5733         (Sized_relobj::do_layout_deferred_sections): New function.
5734         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5735         (Relobj::layout_deferred_sections): New function.
5736         (Relobj::do_layout_deferred_sections): New function.
5737         (Sized_relobj::do_layout_deferred_sections): New function.
5738         (Sized_relobj::layout_section): New function.
5739         (Sized_relobj::Deferred_layout): New structure.
5740         (Sized_relobj::deferred_layout_): New field.
5741         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5742         Change all callers.  Layout deferred sections.
5743         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5744         references.
5745         (Plugin_hook::run): Move code from do_plugin_hook inline.
5746         (Plugin_hook::do_plugin_hook): Remove.
5747         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5748         (Plugin_manager::finish): Renamed, was cleanup.
5749         (Plugin_manager::should_defer_layout): New function.
5750         (Plugin_manager::add_deferred_layout_object): New function.
5751         (Plugin_manager::Deferred_layout_list): New type.
5752         (Plugin_manager::deferred_layout_objects_): New field.
5753         (Plugin_hook::do_plugin_hook): Remove.
5754
5755 2008-12-17  Ian Lance Taylor  <iant@google.com>
5756
5757         * options.h (class General_options): Add --no case for
5758         --export-dynamic.
5759
5760 2008-12-16  Cary Coutant  <ccoutant@google.com>
5761
5762         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5763         vector.
5764         (Plugin_manager::claim_file): Create plugin object even if
5765         plugin did not call the add_symbols callback.
5766         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5767         asking for more symbols than were added.
5768         * testsuite/Makefile.am (plugin_test_1): Add test case with
5769         no global symbols.
5770         (empty.syms): New target.
5771         * testsuite/Makefile.in: Regenerate.
5772         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5773         message. Don't call add_symbols if no globals.
5774         (all_symbols_read_hook): Don't provide replacement for empty
5775         claimed file.
5776
5777 2008-12-12  Ian Lance Taylor  <iant@google.com>
5778
5779         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5780         r_type == 0 for a local symbol with r_sym == 0.
5781         (scan_relocatable_relocs): Pass r_sym to
5782         local_non_section_strategy.
5783         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5784         r_sym parameter.
5785
5786         * configure.ac: Update test for TLS descriptors: they are
5787         supported as of glibc 2.9.
5788         * configure: Rebuild.
5789
5790 2008-12-11  Ian Lance Taylor  <iant@google.com>
5791
5792         PR 7091
5793         * target-reloc.h (Default_scan_relocatable_relocs): For each
5794         function, map r_type == 0 to RELOC_DISCARD.
5795
5796 2008-12-10  Cary Coutant  <ccoutant@google.com>
5797
5798         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5799         object to override a kept COMDAT group from a plugin object.
5800
5801 2008-12-09  Ian Lance Taylor  <iant@google.com>
5802
5803         PR 7088
5804         * yyscript.y (file_cmd): Handle INPUT.
5805
5806         * testsuite/initpri1.c: Change all declarations to be full
5807         prototypes by adding void, to avoid compiler warnings.
5808
5809 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5810
5811         * options.cc (General_options::parse_plugin_opt): New.
5812         (General_options::add_plugin): The argument now is just the filename.
5813         (General_options::add_plugin_option): New.
5814         * options.h (plugin_opt): New.
5815         (add_plugin): Change argument name.
5816         (add_plugin_option): New.
5817         * plugin.cc (Plugin::load): Don't parse the plugin option.
5818         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5819         (Plugin::add_option): New.
5820         (Plugin::args_): Change type.
5821         (Plugin::filename_): New.
5822         (Plugin_manager::add_plugin_option): New.
5823         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5824         * testsuite/Makefile.in: Regenerate.
5825
5826 2008-12-05  Cary Coutant  <ccoutant@google.com>
5827
5828         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5829         Handle --strip-lto-sections option.
5830         * options.h (strip_lto_sections): New option.
5831
5832 2008-12-01  Cary Coutant  <ccoutant@google.com>
5833
5834         * plugin.cc (ld_plugin_message): Change format parameter to const.
5835         Fix mismatch between new[] and delete.
5836
5837 2008-11-14  Cary Coutant  <ccoutant@google.com>
5838
5839         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5840         instead of -1U.
5841
5842 2008-11-05  Craig Silverstein  <csilvers@google.com>
5843
5844         * options.cc (General_options::parse_dynamic_list): New function.
5845         * options.h (General_options): New flags dynamic_list,
5846         dynamic_list_data, dynamic_list_cpp_new, and
5847         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5848         (General_options::in_dynamic_list): New function.
5849         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5850         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5851         (Lex::can_continue_name): Likewise.
5852         (yylex): Likewise.
5853         (read_script_file): New parameter script_options.
5854         (read_dynamic_list): New function.
5855         (Script_options::define_dynamic_list): New function.
5856         (dynamic_list_keyword_parsecodes): New variable.
5857         (dynamic_list_keywords): New variable.
5858         * script.h (Script_options::define_dynamic_list): New function
5859         prototype.
5860         (read_dynamic_list): New function prototype.
5861         * symtab.cc (strprefix): New macro.
5862         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5863         dynamic_list_data, dynamic_list_cpp_new, and
5864         dynamic_list_cpp_typeinfo.
5865         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5866         (dynamic_list_expr): New rule.
5867         (dynamic_list_nodes): Likewise.
5868         (dynamic_list_node): Likewise.
5869         * testsuite/Makefile.am (dynamic_list): New test.
5870         * testsuite/Makefile.in: Regenerated.
5871         * testsuite/dynamic_list.t: New file.
5872         * testsuite/dynamic_list.sh: New file.
5873
5874 2008-11-05  Craig Silverstein  <csilvers@google.com>
5875
5876         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5877         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5878         (t11_last): Likewise.
5879         * testsuite/ver_test_6.c (main): Likewise.
5880
5881 2008-10-07  Cary Coutant  <ccoutant@google.com>
5882
5883         * options.c (General_options::finalize): Add check for -static and
5884         -shared.
5885         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5886         is not empty.
5887
5888 2008-10-02  Cary Coutant  <ccoutant@google.com>
5889
5890         * plugin.cc (make_sized_plugin_object): Fix conditional
5891         compilation to work when not all targets are enabled.
5892
5893 2008-09-29  Cary Coutant  <ccoutant@google.com>
5894
5895         * archive.cc (Archive::get_file_and_offset): Use filename instead
5896         of name to get library path.
5897         (Archive::include_member): Unlock external member of a thin archive.
5898
5899         * testsuite/Makefile.am (TEST_AR): New variable.
5900         (thin_archive_test_1): New test.
5901         (thin_archive_test_2): New test.
5902         * testsuite/Makefile.in: Regenerate.
5903         * testsuite/thin_archive_main.cc: New file.
5904         * testsuite/thin_archive_test_1.cc: New file.
5905         * testsuite/thin_archive_test_2.cc: New file.
5906         * testsuite/thin_archive_test_3.cc: New file.
5907         * testsuite/thin_archive_test_4.cc: New file.
5908
5909 2008-09-29  Cary Coutant  <ccoutant@google.com>
5910
5911         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5912         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5913         instead of -1U.
5914         (Sized_relobj::do_finalize_local_symbols): Likewise.
5915         (Sized_relobj::map_to_kept_section): Likewise.
5916         * object.h (Sized_relobj::invalid_address): New constant.
5917         (Sized_relobj::do_output_section_offset): Check for invalid_address
5918         and return -1ULL.
5919         * output.cc (Output_reloc::local_section_offset): Use constant
5920         invalid_address instead of -1U.
5921         (Output_reloc::get_address): Likewise.
5922         (Output_section::output_address): Change -1U to -1ULL.
5923         * output.h (Output_reloc::invalid_address): New constant.
5924         * reloc.cc (Sized_relobj::write_sections): Use constant
5925         invalid_address instead of -1U.
5926         (Sized_relobj::relocate_sections): Likewise.
5927         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5928         values for merge sections.
5929         * target-reloc.h (relocate_for_relocatable): Use constant
5930         invalid_address instead of -1U.
5931
5932 2008-09-19  Cary Coutant  <ccoutant@google.com>
5933
5934         Add plugin functionality for link-time optimization (LTO).
5935         * configure.ac (plugins): Add --enable-plugins option.
5936         * configure: Regenerate.
5937         * config.in: Regenerate.
5938         * Makefile.am (LIBDL): New variable.
5939         (CCFILES): Add plugin.cc.
5940         (HFILES): Add plugin.h.
5941         (ldadd_var): Add LIBDL.
5942         * Makefile.in: Regenerate.
5943
5944         * archive.cc: Include "plugin.h".
5945         (Archive::setup): Don't preread archive symbols when using a plugin.
5946         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5947         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5948         files.
5949         (Archive::include_member): Add symbols from plugin objects.
5950         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5951         * descriptors.cc (Descriptors::open): Check for file descriptors
5952         abandoned by plugins.
5953         (Descriptors::claim_for_plugin): New function.
5954         * descriptors.h (Descriptors::claim_for_plugin): New function.
5955         (Open_descriptor::is_claimed): New field.
5956         (claim_descriptor_for_plugin): New function.
5957         * fileread.cc (File_read::claim_for_plugin): New function.
5958         * fileread.h (File_read::claim_for_plugin): New function.
5959         (File_read::descriptor): New function.
5960         * gold.cc: Include "plugin.h".
5961         (queue_initial_tasks): Add task to call plugin hooks for generating
5962         new object files.
5963         * main.cc: Include "plugin.h".
5964         (main): Load plugin libraries.
5965         * object.h (Pluginobj): Declare.
5966         (Object::pluginobj): New function.
5967         (Object::do_pluginobj): New function.
5968         (Object::set_target): New function.
5969         * options.cc: Include "plugin.h".
5970         (General_options::parse_plugin): New function.
5971         (General_options::General_options): Initialize plugins_ field.
5972         (General_options::add_plugin): New function.
5973         * options.h (Plugin_manager): Declare.
5974         (General_options): Add --plugin option.
5975         (General_options::has_plugins): New function.
5976         (General_options::plugins): New function.
5977         (General_options::add_plugin): New function.
5978         (General_options::plugins_): New field.
5979         * plugin.cc: New file.
5980         * plugin.h: New file.
5981         * readsyms.cc: Include "plugin.h".
5982         (Read_symbols::do_read_symbols): Check for archive before checking
5983         for ELF file.  Call plugin hooks to claim files.
5984         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5985         from a real object file; force override when processing replacement
5986         files.
5987         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5988         (Symbol::init_base_object): Likewise.
5989         (Symbol::init_base_output_data): Likewise.
5990         (Symbol::init_base_output_segment): Likewise.
5991         (Symbol::init_base_constant): Likewise.
5992         (Symbol::init_base_undefined): Likewise.
5993         (Symbol::output_section): Assert that object is not a plugin.
5994         (Symbol_table::add_from_pluginobj): New function.
5995         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5996         undefined.
5997         (Symbol_table::sized_write_globals): Likewise.
5998         (Symbol_table::add_from_pluginobj): Instantiate template.
5999         * symtab.h (Sized_pluginobj): Declare.
6000         (Symbol::in_real_elf): New function.
6001         (Symbol::set_in_real_elf): New function.
6002         (Symbol::in_real_elf_): New field.
6003         (Symbol_table::add_from_pluginobj): New function.
6004
6005         * testsuite/Makefile.am (AM_CFLAGS): New variable.
6006         (LIBDL): New variable.
6007         (LDADD): Add LIBDL.
6008         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6009         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6010         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6011         (MOSTLYCLEANFILES): Likewise.
6012         * testsuite/Makefile.in: Regenerate.
6013         * testsuite/plugin_test.c: New file.
6014         * testsuite/plugin_test_1.sh: New file.
6015         * testsuite/plugin_test_2.sh: New file.
6016
6017 2008-09-16  Ian Lance Taylor  <iant@google.com>
6018
6019         * target-reloc.h (relocate_section): Check whether a symbol is
6020         defined by the ABI before reporting an undefined symbol error.
6021         * target.h (Target::is_defined_by_abi): Make parameter const.
6022         (Target::do_is_defined_by_abi): Likewise.
6023         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6024         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6025         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6026         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6027         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6028         * testsuite/Makefile.in: Rebuild.
6029
6030         * fileread.cc (make_view): Add casts to avoid warning.
6031
6032 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6033
6034         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6035         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6036
6037 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6038
6039         * options.h (General_options::output_is_executable): New.
6040         (General_options::output_is_pie): New.
6041         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6042         for shared libraries.
6043         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6044
6045 2008-09-11  Chris Demetriou  <cgd@google.com>
6046
6047         * options.h (origin): New -z option.
6048         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6049         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6050         in DT_FLAGS_1.
6051
6052 2008-09-05  Cary Coutant  <ccoutant@google.com>
6053
6054         * fileread.cc (File_read::make_view): Add check for attempt to map
6055         beyond end of file.
6056
6057 2008-09-05  Cary Coutant  <ccoutant@google.com>
6058
6059         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6060         explicit instantiations.
6061
6062 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6063
6064         PR gold/6858
6065         * options.cc (General_options::finalize): Allow undefined symbols
6066         in shlibs if linking -shared.
6067
6068         PR gold/6859
6069         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6070         symbols as not needing a dynsym entry.
6071
6072 2008-08-20  Craig Silverstein  <csilvers@google.com>
6073
6074         * fileread.cc (File_read::open): Do not lock the file unless it
6075         was successfully opened.
6076
6077 2008-08-14  Cary Coutant  <ccoutant@google.com>
6078
6079         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6080         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6081         * testsuite/tls_test.cc (struct int128): 128-bit struct
6082         for testing TLS relocs with non-zero addend.
6083         (v12): New TLS variable.
6084         (t12): New test.
6085         (t_last): Add check for v12.
6086         * testsuite/tls_test.h (t12): New function.
6087         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6088
6089 2008-08-13  Ian Lance Taylor  <iant@google.com>
6090
6091         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6092         set tls_segment_ or relro_segment_.
6093         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6094         when appropriate.
6095         * output.h (Output_section::clear_is_relro): New function.
6096         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6097         sections specially even when output_data_ is empty.
6098         (Output_segment::maximum_alignment): When first section is relro,
6099         only force alignment for PT_LOAD segments.
6100         * script.cc (script_data_segment_align): New function.
6101         (script_data_segment_relro_end): New function.
6102         * script-c.h (script_data_segment_align): Declare.
6103         (script_data_segment_relro_end): Declare.
6104         * script-sections.h (class Script_sections): Declare
6105         data_segment_align and data_segment_relro_end.  Add fields
6106         segment_align_index_ and saw_relro_end_.
6107         * script-sections.cc (class Sections_element): Add set_is_relro
6108         virtual function.  Add new bool* parameter to place_orphan_here.
6109         Add get_output_section virtual function.
6110         (class Output_section_definition): Add set_is_relro.  Add new
6111         bool* parameter to place_orphan_here.  Add get_output_section.
6112         Add is_relro_ field.
6113         (Output_section_definition::Output_section_definition): Initialize
6114         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6115         and is_relro_ fields.
6116         (Output_section_definition::place_orphan_here): Add is_relro
6117         parameter.
6118         (Output_section_definition::set_section_addresses): Set relro for
6119         output section.
6120         (Output_section_definition::alternate_constraint): Likewise.
6121         (class Orphan_output_section): Add new bool* parameter to
6122         place_orphan_here.  Add get_output_section.
6123         (Orphan_output_section::place_orphan_here): Add is_relro
6124         parameter.
6125         (Script_sections::Script_sections): Initialize
6126         data_segment_align_index_ and saw_relro_end_.
6127         (Script_sections::data_segment_align): New function.
6128         (Script_sections::data_segment_relro_end): New function.
6129         (Script_sections::place_orphan): Set or clear is_relro.
6130         (Script_sections::set_section_addresses): Force alignment of first
6131         TLS section.
6132         * yyscript.y (exp): Call script_data_segment_align and
6133         script_data_segment_relro_end.
6134         * testsuite/relro_script_test.t: New file.
6135         * testsuite/relro_test.cc (using_script): Declare.
6136         (t1, t2): Test using_script.
6137         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6138         (relro_script_test_SOURCES): Define.
6139         (relro_script_test_DEPENDENCIES): Define.
6140         (relro_script_test_LDFLAGS): Define.
6141         (relro_script_test_LDADD): Define.
6142         (relro_script_test.so): New target.
6143         * testsuite/Makefile.in: Rebuild.
6144
6145 2008-08-06  Cary Coutant <ccoutant@google.com>
6146
6147         * archive.cc (Archive::total_archives, Archive::total_members)
6148         (Archive::total_members_loaded): New variables.
6149         (Archive::setup): Add parameter.  Add option to preread
6150         archive symbols.
6151         (Archive::read_armap): Add counter.
6152         (Archive::get_file_and_offset): New function.
6153         (Archive::get_elf_object_for_member): New function.
6154         (Archive::read_all_symbols): New function.
6155         (Archive::read_symbols): New function.
6156         (Archive::add_symbols): Add counters.
6157         (Archive::include_all_members): Use armap to find members if it's
6158         already built.
6159         (Archive::include_member): Skip reading symbols if already read.
6160         Factored code into Archive::get_file_and_offset and
6161         Archive::get_elf_object_for_member.  Changed call to
6162         Mapfile::report_include_archive_member.
6163         (Archive::print_stats): New function.
6164         * archive.h: Declare Object and Read_symbols_data classes.
6165         (Archive::Archive): Add initializers for new members.
6166         (Archive::setup): Add parameter.
6167         (Archive::print_stats): New function.
6168         (Archive::total_archives, Archive::total_members)
6169         (Archive::total_members_loaded): New variables.
6170         (Archive::get_file_and_offset): New function.
6171         (Archive::get_elf_object_for_member): New function.
6172         (Archive::read_all_symbols): New function.
6173         (Archive::read_symbols): New function.
6174         (Archive::Archive_member): New class.
6175         (Archive::members_): New member.
6176         (Archive::num_members_): New member.
6177         * main.cc: Include archive.h.
6178         (main): Call Archive::print_stats.
6179         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6180         archive parameter; member_name is now the fully-decorated name.
6181         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6182         * options.h: (General_options): Add --preread-archive-symbols option.
6183         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6184         Archive::setup.
6185
6186 2008-08-04  Ian Lance Taylor  <iant@google.com>
6187
6188         * symtab.h (Symbol::use_plt_offset): New function.
6189         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6190         * powerpc.cc (Relocate::relocate): Likewise.
6191         * sparc.cc (Relocate::relocate): Likewise.
6192         * x86_64.cc (Relocate::relocate): Likewise.
6193         * testsuite/weak_plt.sh: New test.
6194         * testsuite/weak_plt_main.cc: New test.
6195         * testsuite/weak_plt_shared.cc: New test.
6196         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6197         (check_PROGRAMS): Add weak_plt.
6198         (check_DATA): Add weak_plt_shared.so.
6199         (weak_plt_main_pic.o, weak_plt): New targets.
6200         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6201         * testsuite/Makefile.in: Rebuild.
6202
6203         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6204         gcctestdir/ld.
6205         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6206         * testsuite/Makefile.in: Rebuild.
6207
6208 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6209
6210         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6211         * Makefile.in: Regenerate.
6212         * po/POTFILES.in: Regenerate.
6213
6214 2008-07-29  Ian Lance Taylor  <iant@google.com>
6215
6216         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6217         symbols before other symbols.
6218         * testsuite/script_test_2.cc (test_addr): Declare.
6219         (test_addr_alias): Declare.
6220         (main): Check that test_addr and test_addr_alias have the right
6221         values.
6222         * testsuite/script_test_2.t: Define test_addr_alias and
6223         test_addr.
6224
6225 2008-07-24  Ian Lance Taylor  <iant@google.com>
6226
6227         PR 5990
6228         * descriptors.cc: New file.
6229         * descriptors.h: New file.
6230         * gold-threads.h (class Hold_optional_lock): New class.
6231         * fileread.cc: Include "descriptors.h".
6232         (File_read::~File_read): Release descriptor rather than closing
6233         it.
6234         (File_read::open) [file]: Call open_descriptor rather than open.
6235         Set is_descriptor_opened_.
6236         (File_read::open) [memory]: Assert that descriptor is not open.
6237         (File_read::reopen_descriptor): New function.
6238         (File_read::release): Release descriptor.
6239         (File_read::do_read): Make non-const.  Reopen descriptor.
6240         (File_read::read): Make non-const.
6241         (File_read::make_view): Reopen descriptor.
6242         (File_read::do_readv): Likewise.
6243         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6244         Update declarations.
6245         * layout.cc: Include "descriptors.h".
6246         (Layout::create_build_id): Use open_descriptor rather than open.
6247         * output.cc: Include "descriptors.h".
6248         (Output_file::open): Use open_descriptor rather than open.
6249         * archive.cc (Archive::const_iterator): Change Archive to be
6250         non-const.
6251         (Archive::begin, Archive::end): Make non-const.
6252         (Archive::count_members): Likewise.
6253         * archive.h (class Archive): Update declarations.
6254         * object.h (Object::read): Make non-const.
6255         * Makefile.am (CCFILES): Add descriptors.cc.
6256         (HFILES): Add descriptors.h.
6257         * Makefile.in: Rebuild.
6258
6259         PR 6716
6260         * gold.h: Always include <clocale>.  Add Solaris workarounds
6261         following code in binutils/sysdep.h.
6262
6263         PR 6048
6264         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6265         this->eh_frame_hdr_ is NULL before using it.
6266
6267         * dynobj.cc (Versions::Versions): Update comment.
6268
6269         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6270         the base version name.
6271
6272         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6273         array size plus one.
6274         (Stringpool_template::set_string_offsets): Subtract one from key
6275         before using it as an array index.
6276         (Stringpool_template::get_offset_with_length): Likewise.
6277         (Stringpool_template::write_to_buffer): Likewise.
6278         * stringpool.h (Stringpool_template::get_offset_from_key):
6279         Likewise.
6280
6281 2008-07-23  Ian Lance Taylor  <iant@google.com>
6282
6283         PR 6658
6284         * object.h (Merged_symbol_value::value): Do our best to handle a
6285         negative addend.
6286
6287         PR 6647
6288         * script.cc (Version_script_info::get_versions): Don't add empty
6289         version tag to return value.
6290         (Version_script_info::get_symbol_version_helper): Change return
6291         type to bool.  Add pversion parameter.  Change all callers.
6292         (script_register_vers_node): Don't require a non-NULL tag.
6293         * script.h (class Version_script_info): Update declarations.
6294         (Version_script_info::get_symbol_version): Change return type to
6295         bool.  Add version parameter.  Change all callers.
6296         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6297         handling.  Handle an empty version from a version script.
6298         (Symbol_table::define_special_symbol): Likewise.
6299         * testsuite/ver_test_10.script: New file.
6300         * testsuite/ver_test_10.sh: New file.
6301         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6302         (check_DATA): Add ver_test_10.syms.
6303         (ver_test_10.syms, ver_test_10.so): New target.
6304         * testsuite/Makefile.in: Rebuild.
6305
6306 2008-07-23  Simon Baldwin  <simonb@google.com>
6307
6308         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6309         to zero for undefined symbols from dynamic libraries.
6310
6311 2008-07-23  Ian Lance Taylor  <iant@google.com>
6312
6313         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6314         Change all callers.
6315         * symtab.h (class Symbol_table): Update declaration.
6316         * testsuite/ver_test_9.cc: New file.
6317         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6318         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6319         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6320         (ver_test_9.so, ver_test_9.o): New targets.
6321         * testsuite/Makefile.in: Rebuild.
6322
6323 2008-07-22  Ian Lance Taylor  <iant@google.com>
6324
6325         * options.h (class General_options): Define --check-sections.
6326         * layout.cc (Layout::set_segment_offsets): Handle
6327         --check-sections.
6328
6329         * options.h (class General_options): Define -n/--nmagic and
6330         -N/--omagic.
6331         * options.cc (General_options::finalize): For -n/--nmagic or
6332         -N/--omagic, set -static.
6333         * layout.cc (Layout::attach_allocated_section_to_segment): If
6334         -N/--omagic, don't put read-only and read-write sections in
6335         different segments.
6336         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6337         finding a read-only segment.
6338         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6339         don't set the minimum segment alignment to the common page size,
6340         and don't set the file offset to the address modulo the page size.
6341         * script-sections.cc (Script_sections::create_segments): If
6342         -n/--omagic, don't put read-only and read-write sections in
6343         different segments.
6344
6345         * cref.cc: New file.
6346         * cref.h: New file.
6347         * options.h (class General_options): Add --print-symbol-counts.
6348         * main.cc (main): Issue defined symbol report if requested.
6349         * archive.cc (Archive::interpret_header): Make into a const member
6350         function.
6351         (Archive::add_symbols): Call Input_objects::archive_start and
6352         archive_stop.
6353         (Archive::const_iterator): Define new class.
6354         (Archive::begin, Archive::end): New functions.
6355         (Archive::include_all_members): Rewrite to use iterator.
6356         (Archive::count_members): New function.
6357         * archive.h (class Archive): Update declarations.
6358         (Archive::filename): New function.
6359         * object.cc: Include "cref.h".
6360         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6361         (Sized_relobj::do_get_global_symbol_counts): New function.
6362         (Input_objects::add_object): Add object to cross-referencer.
6363         (Input_objects::archive_start): New function.
6364         (Input_objects::archive_stop): New function.
6365         (Input_objects::print_symbol_counts): New function.
6366         * object.h: Declare Cref and Archive.
6367         (Object::get_global_symbol_counts): New function.
6368         (Object::do_get_global_symbol_counts): New pure virtual function.
6369         (class Sized_relobj): Add defined_count_ field.  Update
6370         declarations.
6371         (class Input_objects): Add cref_ field.  Update constructor.
6372         Update declarations.
6373         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6374         defined_count_.
6375         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6376         symbol counts.
6377         (Sized_dynobj::do_get_global_symbol_counts): New function.
6378         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6379         defined_count_.  Update declarations.  Define Symbols typedef.
6380         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6381         parameter.  Change all callers.
6382         (Symbol_table::add_from_dynobj): Add sympointers and defined
6383         parameters.  Change all callers.
6384         * symtab.h (class Symbol_table): Update declarations.
6385         * Makefile.am (CCFILES): Add cref.cc.
6386         (HFILES): Add cref.h.
6387         * Makefile.in: Rebuild.
6388
6389 2008-07-22  Simon Baldwin  <simonb@google.com>
6390
6391         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6392         to zero when writing undefined symbols.
6393
6394 2008-07-22  Ian Lance Taylor  <iant@google.com>
6395
6396         * output.cc (Output_section::add_input_section): Don't try to
6397         merge empty merge sections.
6398
6399 2008-07-21  Craig Silverstein  <csilvers@google.com>
6400
6401         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6402         Include symbol version in error message.
6403
6404 2008-07-20  Chris Demetriou  <cgd@google.com>
6405
6406         * configure.ac (gold_cv_c_random_seed): New configured variable.
6407         (RANDOM_SEED_CFLAGS): New substituted variable.
6408         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6409         * configure: Rebuild.
6410         * Makefile.in: Likewise.
6411         * testsuite/Makefile.in: Likewise.
6412
6413 2008-07-18  Ian Lance Taylor  <iant@google.com>
6414
6415         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6416         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6417         * testsuite/ver_test_main.cc (main): Call t4.
6418         (t4, t4_2a): Define.
6419         * testsuite/ver_test_2.cc (t4_2): Define.
6420         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6421         * testsuite/ver_test_4.cc (t4_2a): Define.
6422         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6423         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6424
6425 2008-07-17  Ian Lance Taylor  <iant@google.com>
6426
6427         * dynobj.cc (Versions::add_def): If we give an error about a
6428         missing version, go ahead and create the version anyhow.
6429
6430 2008-07-10  Ian Lance Taylor  <iant@google.com>
6431
6432         Handle output sections with more than 0x7fffffff bytes.
6433         * object.h (class Relobj): Change map_to_output_ to
6434         output_sections_, and just keep a section pointer.  Change all
6435         uses.  Move comdat group support to Sized_relobj.
6436         (Relobj::is_section_specially_mapped): Remove.
6437         (Relobj::output_section): Remove poff parameter.  Change all
6438         callers.
6439         (Relobj::output_section_offset): New function.
6440         (Relobj::set_section_offset): Rewrite.
6441         (Relobj::map_to_output): Remove.
6442         (Relobj::output_sections): New function.
6443         (Relobj::do_output_section_offset): New pure virtual function.
6444         (Relobj::do_set_section_offset): Likewise.
6445         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6446         group support from Relobj.  Update declarations.
6447         (Sized_relobj::get_output_section_offset): New function.
6448         (Sized_relobj::do_output_section_offset): New function.
6449         (Sized_relobj::do_set_section_offset): New function.
6450         * object.cc (Relobj::output_section_address): Remove.
6451         (Sized_relobj::Sized_relobj): Initialize new fields.
6452         (Sized_relobj::include_section_group): Cast find_kept_object to
6453         Sized_relobj.
6454         (Sized_relobj::include_linkonce_section): Likewise.
6455         (Sized_relobj::do_layout): Use separate arrays for output section
6456         and output offset.
6457         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6458         output_sections.
6459         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6460         output_sections and section_offsets.
6461         (Sized_relobj::write_local_symbols): Likewise.
6462         (map_to_kept_section): Compute output address directly.
6463         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6464         output_sections and section_offsets.
6465         (Sized_relobj::write_sections): Likewise.
6466         (Sized_relobj::relocate_sections): Likewise.
6467         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6468         * output.h (class Output_reloc): Update declarations.  Change
6469         u2_.relobj to Sized_relobj*.
6470         (class Output_data_reloc): Change add functions to use
6471         Sized_relobj*.
6472         * output.cc (Output_reloc::Output_reloc): Change relobj to
6473         Sized_relobj*.
6474         (Output_reloc::local_section_offset): Change return type to
6475         Elf_Addr.  Use get_output_section_offset.
6476         (Output_reloc::get_address): Likewise.
6477         (Output_section::is_input_address_mapped): Don't call
6478         is_section_specially_mapped.
6479         (Output_section::output_offset): Likewise.
6480         (Output_section::output_address): Likewise.
6481         (Output_section::starting_output_address): Likewise.
6482         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6483         parameter to Sized_relobj*.
6484         (Copy_relocs::need_copy_reloc): Likewise.
6485         (Copy_relocs::save): Likewise.
6486         * copy-relocs.h (class Copy_relocs): Update declarations.
6487         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6488         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6489         * target-reloc.h (relocate_for_relocatable): Change
6490         offset_in_output_section type to Elf_Addr.  Change code that uses
6491         it as well.
6492         * layout.cc (Layout::layout): Always set *off.
6493         * mapfile.cc (Mapfile::print_input_section): Use
6494         output_section_offset.
6495         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6496         Sized_relobj*.
6497         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6498         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6499         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6500
6501 2008-07-03  Ian Lance Taylor  <iant@google.com>
6502
6503         * layout.cc (Layout::include_section): Do not discard unrecognized
6504         SHT_STRTAB sections.
6505
6506 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6507
6508         * script.cc (Lex::can_continue_name): Make '?' allowable in
6509         version-script names.
6510         * testsuite/version_script.map: Change glob pattern to use '?'
6511
6512 2008-06-30  Manish Singh  <yosh@gimp.org>
6513
6514         PR 6585
6515         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6516         Correct typo.
6517
6518 2008-06-30  Ian Lance Taylor  <iant@google.com>
6519
6520         PR 6660
6521         PR 6682
6522         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6523         versions]: Don't try to read the value in the contents, since we
6524         don't use it.  Use the template endianness when writing.
6525
6526 2008-06-25  Cary Coutant  <ccoutant@google.com>
6527
6528         * fileread.cc (File_read::make_view): Assert on zero-length view.
6529         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6530         symbol table when there are no symbols to read.
6531
6532 2008-06-23  Craig Silverstein  <csilvers@google.com>
6533
6534         * version.cc (version_string): Bump to 1.7
6535
6536 2008-06-18  Craig Silverstein  <csilvers@google.com>
6537
6538         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6539         constant 0xFFFF to type Valtype.
6540         (Powerpc_relocate_functions::rel16_ha): Likewise.
6541
6542 2008-06-17  Ian Lance Taylor  <iant@google.com>
6543
6544         * output.h (Output_section::Input_section): Initialize p2align_ to
6545         zero for Output_section_data constructors.
6546         (Output_section::Input_section::addralign): If not an input
6547         section, return the alignment of the Output_section_data.
6548         * testsuite/copy_test.cc: New file.
6549         * testsuite/copy_test_1.cc: New file.
6550         * testsuite/copy_test_2.cc: New file.
6551         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6552         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6553         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6554         (copy_test_1_pic.o, copy_test_1.so): New targets.
6555         (copy_test_2_pic.o, copy_test_2.so): New targets.
6556         * testsuite/Makefile.in: Rebuild.
6557
6558         * script-sections.cc (Script_sections::place_orphan): Initialize
6559         local variable exact.
6560
6561 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6562
6563         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6564
6565 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6566             David S. Miller  <davem@davemloft.net>
6567
6568         * powerpc.cc: New file.
6569         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6570         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6571         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6572         * Makefile.in: Rebuild.
6573
6574 2008-06-09  Ian Lance Taylor  <iant@google.com>
6575
6576         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6577         <exception>.
6578         (throwing, orig_terminate): New static variables.
6579         (terminate_handler): New static function.
6580         (t2): Set terminate handler.
6581
6582 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6583
6584         PR 6584
6585         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6586         alignment.
6587
6588 2008-05-30  Cary Coutant  <ccoutant@google.com>
6589
6590         * archive.cc (Archive::include_all_members) Correct to step
6591         over symbol table and extended name table in thin archives.
6592
6593 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6594
6595         PR 6407
6596         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6597         calculation.
6598
6599 2008-05-28  Caleb Howe  <cshowe@google.com>
6600
6601         * reduced_debug_output.cc: New file.
6602         * reduced_debug_output.h: New file.
6603         * options.h (class General_options): Add --strip-debug-non-line.
6604         * options.cc (General_options::finalize): Add strip_debug_non_line
6605         to the strip heirarchy.
6606         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6607         fields.
6608         * layout.cc: Include "reduced_debug_output.h".
6609         (Layout::Layout): Initialize new fields.
6610         (line_only_debug_sections): New static array.
6611         (is_lines_only_debug_sections): New static inline function.
6612         (Layout::include_section): Handle --strip-debug-non-line.
6613         (Layout::make_output_section): If --strip-debug-non-line, build
6614         new output sections for .debug_abbrev and .debug_info.
6615         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6616         gold.  Warn about possible overflow.
6617         (read_signed_LEB_128): Likewise.
6618         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6619         (read_signed_LEB_128): Declare.
6620         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6621         (HFILES): Add reduced_debug_output.h.
6622         * Makefile.in: Rebuild.
6623
6624 2008-05-21  Ian Lance Taylor  <iant@google.com>
6625
6626         * mapfile.cc: New file.
6627         * mapfile.h: New file.
6628         * options.h (class General_options): Add -M/--print-map and -Map.
6629         * options.cc (General_options::finalize): Make -M equivalent to
6630         -Map -.
6631         * main.cc: Include <cstdio> and "mapfile.h".
6632         (main): Open mapfile if requested.
6633         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6634         constructor.  Change caller.
6635         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6636         (queue_middle_tasks): Likewise.
6637         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6638         declarations.
6639         * archive.cc: Include "mapfile.h".
6640         (Archive::add_symbols): Add mapfile parameter.  Change all
6641         callers.  Pass mapfile, symbol, and reason to include_member.
6642         (Archive::include_all_members): Add mapfile parameter.  Change all
6643         callers.
6644         (Archive::include_member): Add mapfile, sym, and why parameters.
6645         Change all callers.  Report inclusion to map file.
6646         * archive.h: Include "fileread.h".
6647         (class Archive): Update declarations.
6648         (Archive::file): New const method.
6649         (class Add_archive_symbols): Add mapfile_ field.  Update
6650         constructor.  Change all callers.
6651         * readsyms.h (class Read_symbols): Likewise.
6652         (class Finish_group): Likewise.
6653         (class Read_script): Likewise.
6654         * common.cc: Include "mapfile.h".
6655         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6656         all callers.
6657         (Symbol_table::do_allocate_commons): Likewise.
6658         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6659         symbol allocation to mapfile.
6660         * common.h (class Allocate_commons_task): Add mapfile_ field.
6661         Update constructor.  Change all callers.
6662         * symtab.h (class Symbol_table): Update declarations.
6663         * layout.cc: Include "mapfile.h".
6664         (Layout_task_runner::run): Print information to mapfile.
6665         (Layout::create_gold_note): Change Output_data_fixed_space to
6666         Output_data_zero_fill.
6667         (Layout::create_build_id): Likewise.
6668         (Layout::print_to_mapfile): New function.
6669         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6670         constructor.  Change caller.
6671         (class Layout): Declare print_to_mapfile.
6672         * output.cc (Output_section::Input_section::print_to_mapfile): New
6673         function.
6674         (Output_section::add_input_section): If producing a map, always
6675         add to input_sections_ list.
6676         (Output_section::do_print_to_mapfile): New function.
6677         (Output_segment::print_sections_to_mapfile): New function.
6678         (Output_segment::print_section_list_to_mapfile): New function.
6679         * output.h: Include "mapfile.h".
6680         (Output_data::print_to_mapfile): New function.
6681         (Output_data::do_print_to_mapfile): New virtual function.
6682         (Output_segment_headers::do_print_to_mapfile): New function.
6683         (Output_file_header::do_print_to_mapfile): New function.
6684         (Output_data_const::do_print_to_mapfile): New function.
6685         (class Output_data_const_buffer): Add map_name_ field.  Update
6686         constructor.  Change all callers.  Add do_print_to_mapfile
6687         function.
6688         (class Output_data_fixed_space): Likewise.
6689         (class Output_data_space): Likewise.
6690         (class Output_data_zero_fill): New class.
6691         (Output_data_strtab::do_print_to_mapfile): New function.
6692         (Output_data_reloc_base::do_print_to_mapfile): New function.
6693         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6694         (Output_data_group::do_print_to_mapfile): New function.
6695         (Output_data_got::do_print_to_mapfile): New function.
6696         (Output_data_dynamic::do_print_to_mapfile): New function.
6697         (Output_symtab_xindex::do_print_to_mapfile): New function.
6698         (class Output_section): Declare do_print_to_mapflie.  Declare
6699         print_to_mapfile in Input_section.
6700         (class Output_segment): Declare new functions.
6701         * object.h (Sized_relobj::symbol_count): New function.
6702         * script-sections.cc
6703         (Output_section_element_dot_assignment::set_section_addresses):
6704         Change Output_data_fixed_space to Output_data_zero_fill.
6705         (Output_data_expression::do_print_to_mapfile): New function.
6706         * script.cc (read_input_script): Add mapfile parameter.  Change
6707         all callers.
6708         * script.h (read_input_script): Update declaration.
6709         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6710         (Eh_frame::do_print_to_mapfile): New function.
6711         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6712         (Output_merge_string::do_print_to_mapfile): New function.
6713         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6714         function.
6715         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6716         function.
6717         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6718         function.
6719         * Makefile.am (CCFILES): Add mapfile.cc.
6720         (HFILES): Add mapfile.h.
6721         * Makefile.in: Rebuild.
6722
6723 2008-05-19  Ian Lance Taylor  <iant@google.com>
6724
6725         * options.h (class General_options): Add -z relro.
6726         * layout.cc (Layout::Layout): Initialize relro_segment_.
6727         (Layout::add_output_section_data): Return the output section.
6728         (Layout::make_output_section): Rcognize relro sections and mark
6729         them appropriately.
6730         (Layout::attach_allocated_section_to_segment): Put relro sections
6731         in a PT_GNU_RELRO segment.
6732         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6733         section as relro.
6734         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6735         PT_TLS segments.
6736         (Layout::linkonce_mapping): Map d.rel.ro.local to
6737         .data.rel.ro.local.
6738         (Layout::output_section_name): Us .data.rel.ro.local for any
6739         section which begins with that.
6740         * layout.h (class Layout): Update add_output_section_data
6741         declaration.  Add relro_segment_ field.
6742         * output.cc (Output_section::Output_section): Initialize is_relro_
6743         and is_relro_local_ fields.
6744         (Output_segment::add_output_section): Group relro sections.
6745         (Output_segment::is_first_section_relro): New function.
6746         (Output_segment::maximum_alignment): If there is a relro section,
6747         align the segment to the common page size.
6748         (Output_segment::set_section_addresses): Track whether we are
6749         looking at relro sections.  If the last section is a relro
6750         section, align to the common page size.
6751         (Output_segment::set_section_list_addresses): Add in_relro
6752         parameter.  Change all callers.  Align to the page size when
6753         moving from relro to non-relro section.
6754         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6755         segment.
6756         * output.h (class Output_section): Add is_relro_ and
6757         is_relro_local_ fields.
6758         (Output_section::is_relro): New function.
6759         (Output_section::set_is_relro): New function.
6760         (Output_section::is_relro_local): New function.
6761         (Output_section::set_is_relro_local): New function.
6762         (class Output_segment): Update declarations.
6763         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6764         * sparc.cc (Target_sparc::got_section): Likewise.
6765         * x86_64.cc (Target_x86_64::got_section): Likewise.
6766         * testsuite/relro_test_main.cc: New file.
6767         * testsuite/relro_test.cc: New file.
6768         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6769         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6770         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6771         (relro_test.so, relro_test_pic.o): New targets.
6772         * testsuite/Makefile.in: Rebuild.
6773
6774 2008-05-16  Ian Lance Taylor  <iant@google.com>
6775
6776         * output.cc (Output_segment::add_output_section): Remove front
6777         parameter.
6778         * output.h (class Output_segment): Remove
6779         add_initial_output_section and overloaded add_output_section.
6780         Update declaration of remaining add_output_section.
6781         * layout.cc (Layout::create_interp): Call add_output_section
6782         rather than add_initial_output_section.
6783         (Layout::finish_dynamic_section): Likewise.
6784
6785         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6786         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6787         know the dynamic type.
6788         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6789         field.  Initialize it in constructor.
6790         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6791         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6792         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6793         reloc.
6794
6795         * output.cc (Output_reloc::get_address): Change return type to
6796         Elf_Addr.
6797         * output.h (class Output_reloc): Update get_address declaration.
6798         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6799         for section addresses.
6800
6801 2008-05-09  Ian Lance Taylor  <iant@google.com>
6802
6803         PR 6493
6804         * gold.cc (gold_nomem): Use return value of write.
6805
6806 2008-05-08  Ian Lance Taylor  <iant@google.com>
6807
6808         * symtab.c (Symbol::init_base_output_data): Add version
6809         parameter.  Change all callers.
6810         (Symbol::init_base_output_segment): Likewise.
6811         (Symbol::init_base_constant): Likewise.
6812         (Symbol::init_base_undefined): Likewise.
6813         (Sized_symbol::init_output_data): Likewise.
6814         (Sized_symbol::init_output_segment): Likewise.
6815         (Sized_symbol::init_constant): Likewise.
6816         (Sized_symbol::init_undefined): Likewise.
6817         (Symbol_table::do_define_in_output_data): If the new symbol has a
6818         version, mark it as the default.
6819         (Symbol_table::do_define_in_output_segment): Likewise.
6820         (Symbol_table::do_define_as_constant): Likewise.
6821         * symtab.h (class Symbol): Update declarations.
6822         (class Sized_symbol): Likewise.
6823         * resolve.cc (Symbol::override_version): New function.
6824         (Symbol::override_base): Call override_version.
6825         (Symbol::override_base_with_special): Likewise.
6826         * testsuite/ver_script_8.script: New file.
6827         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6828         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6829         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6830         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6831
6832 2008-05-06  Ian Lance Taylor  <iant@google.com>
6833
6834         PR 6049
6835         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6836         functions.
6837         (class General_options): Remove existing --undefined, and add
6838         --no-undefined instead.  Add new --undefined as synonym for -u.
6839         * archive.cc (Archive::add_symbols): Check whether symbol was
6840         named with -u.
6841         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6842         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6843         all uses.  Add IS_UNDEFINED.  Update declarations to split
6844         different versions of init_base.  Declare init_base_undefined.
6845         (Symbol::is_defined): Handle IS_UNDEFINED.
6846         (Symbol::is_undefined): Likewise.
6847         (Symbol::is_weak_undefined): Call is_undefined.
6848         (Symbol::is_absolute): Handle IS_CONSTANT.
6849         (class Sized_symbol): Update declarations to split different
6850         versions of init.  Declare init_undefined.
6851         (class Symbol_table): Declare new functions.
6852         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6853         Change all callers.
6854         (Symbol::init_base_output_data): Likewise.
6855         (Symbol::init_base_output_segment): Likewise.
6856         (Symbol::init_base_constant): Likewise.
6857         (Symbol::init_base_undefined): New function.
6858         (Sized_symbol::init_object): Rename from init.  Change all
6859         callers.
6860         (Sized_symbol::init_output_data): Likewise.
6861         (Sized_symbol::init_output_segment): Likewise.
6862         (Sized_symbol::init_constant): Likewise.
6863         (Sized_symbol::init_undefined): New function.
6864         (Symbol_table::add_undefined_symbols_from_command_line): New
6865         function.
6866         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6867         function.
6868         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6869         (Symbol::output_section): Likewise.
6870         (Symbol::set_output_section): Likewise.
6871         (Symbol_table::sized_finalize_symbol): Likewise.
6872         (Symbol_table::sized_write_globals): Likewise.
6873         * resolve.cc (Symbol_table::should_override): Likewise.
6874         (Symbol::override_base_with_special): Likewise.
6875
6876         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6877         symbol, change it to have default visibility.
6878         * testsuite/protected_1.cc: New file.
6879         * testsuite/protected_2.cc: New file.
6880         * testsuite/protected_3.cc: New file.
6881         * testsuite/protected_main_1.cc: New file.
6882         * testsuite/protected_main_2.cc: New file.
6883         * testsuite/protected_main_3.cc: New file.
6884         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6885         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6886         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6887         (protected_1.so): New target.
6888         (protected_1_pic.o, protected_2_pic.o): New targets.
6889         (protected_3_pic.o): New target.
6890         (check_PROGRAMS): Add protected_2.
6891         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6892         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6893         * testsuite/Makefile.in: Rebuild.
6894
6895         * options.h (DEFINE_var): Add set_user_set_##varname__.
6896         (DEFINE_bool_alias): New macro.
6897         (class General_options): Define -Bstatic using DEFINE_bool_alias
6898         rather than DEFINE_special.  Add --undefined as an alias for -z
6899         defs.
6900         * options.cc (General_options::parse_Bstatic): Remove.
6901
6902         * options.h (class General_options): Add --fatal-warnings.
6903         * main.cc (main): Implement --fatal-warnings.
6904         * errors.h (Errors::warning_count): New function.
6905
6906         * options.h (class General_options): Add -Bsymbolic-functions.
6907         * symtab.h (Symbol::is_preemptible): Check for
6908         -Bsymbolic-functions.
6909
6910 2008-05-05  Ian Lance Taylor  <iant@google.com>
6911
6912         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6913         as noVARNAME rather than no-VARNAME.
6914         (class General_options): Add option -z combreloc.
6915         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6916         get_address.
6917         (Output_reloc::sort_before) [SHT_REL]: New function.
6918         (Output_reloc::sort_before) [SHT_RELA]: New function.
6919         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6920         Sort_relocs_comparison.
6921         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6922         parameter.  Change all callers.
6923         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6924         sort_relocs parameter.  Change all callers.
6925         * output.cc (Output_reloc::get_address): New function, broken out
6926         of write_rel.
6927         (Output_reloc::write_rel): Call it.
6928         (Output_reloc::compare): New function.
6929         (Output_data_reloc_base::do_write): Optionally sort relocs.
6930
6931         * configure.ac: If targ_extra_obj is set, link it in.
6932         * configure.tgt: Initialize all variables.
6933         (x86_64*): Set targ_extra_obj and targ_extra_size.
6934         * configure: Rebuild.
6935
6936         * object.cc (Sized_relobj::include_section_group): Adjust section
6937         indexes read from group data.  Build vector to pass to
6938         layout_group.
6939         * layout.cc (Layout::layout_group): Add flags and shndxes
6940         parameters.  Remove contents parameter.  Change caller.  Update
6941         explicit instantiations.
6942         * layout.h (class Layout): Update layout_group declaration.
6943         * output.cc (Output_data_group::Output_data_group): Add flags and
6944         input_shndxes parameters.  Remove contents parameter.  Change
6945         caller.
6946         (Output_data_group::do_write): Change input_sections_ to
6947         input_shndxes_.
6948         * output.h (class Output_data_group): Update constructor
6949         declaration.  Rename input_sections_ to input_shndxes_.
6950         * testsuite/many_sections_test.cc: Add template.
6951
6952 2008-04-30  Cary Coutant  <ccoutant@google.com>
6953
6954         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6955
6956         * layout.cc (Layout::include_section): Refactored check for debug
6957         info section.
6958         (Layout::add_comdat): Add new parameters.  Change type
6959         of signature parameter.  Add object and shndx to signatures table.
6960         (Layout::find_kept_object): New function.
6961         * layout.h: Include <cstring>.
6962         (Layout::is_debug_info_section): New function.
6963         (Layout::add_comdat): Add new parameters.
6964         (Layout::find_kept_object): New function.
6965         (Layout::Kept_section): New struct.
6966         (Layout::Signatures): Change type of map range.
6967         * object.cc (Relobj::output_section_address): New function.
6968         (Sized_relobj::include_section_group): Add new parameters.  Change
6969         calls to Layout::add_comdat.  Change to build table of kept comdat
6970         groups and table mapping discarded sections to kept sections.
6971         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6972         (Sized_relobj::do_layout): Change calls to include_section_group and
6973         include_linkonce_section.
6974         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6975         value to zero when section is discarded.
6976         (Sized_relobj::map_to_kept_section): New function.
6977         * object.h (Relobj::output_section_address): New function.
6978         (Relobj::Comdat_group): New type.
6979         (Relobj::find_comdat_group): New function.
6980         (Relobj::Comdat_group_table): New type.
6981         (Relobj::Kept_comdat_section): New type.
6982         (Relobj::Kept_comdat_section_table): New type.
6983         (Relobj::add_comdat_group): New function.
6984         (Relobj::set_kept_comdat_section): New function.
6985         (Relobj::get_kept_comdat_section): New function.
6986         (Relobj::comdat_groups_): New field.
6987         (Relobj::kept_comdat_sections_): New field.
6988         (Symbol_value::input_value): Update comment.
6989         (Sized_relobj::map_to_kept_section) New function.
6990         (Sized_relobj::include_linkonce_section): Add new parameter.
6991         * target-reloc.h (Comdat_behavior): New type.
6992         (get_comdat_behavior): New function.
6993         (relocate_section): Add code to map a discarded section to the
6994         corresponding kept section when applying a relocation.
6995
6996 2008-04-30  Craig Silverstein  <csilvers@google.com>
6997
6998         * dwarf_reader.cc (next_generation_count): New static var.
6999         (Addr2line_cache_entry): New struct.
7000         (addr2line_cache): New static var.
7001         (Dwarf_line_info::one_addr2line): Added caching.
7002         (Dwarf_line_info::clear_addr2line_cache): New function.
7003         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7004         cache-size parameter.
7005         (Dwarf_line_info::one_addr2line_cache): New function.
7006         * symtab.cc (Symbol_table::detect_odr_violations): Pass
7007         new cache-size argument to one_addr2line(), and clear cache.
7008
7009 2008-04-28  Cary Coutant  <ccoutant@google.com>
7010
7011         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7012         R_386_PC8 relocations.
7013
7014 2008-04-23  Ian Lance Taylor  <iant@google.com>
7015
7016         * object.cc (Sized_relobj::include_section_group): Check for
7017         invalid section group.
7018
7019         * object.cc (make_elf_object): Correct test for 64-bit ELF file
7020         header size.
7021
7022         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7023         than read for file header.
7024         * archive.cc (Archive::include_member): Likewise.
7025
7026 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
7027
7028         * aclocal.m4: Regenerate.
7029         * configure: Regenerate.
7030
7031 2008-04-19  Ian Lance Taylor  <iant@google.com>
7032
7033         * version.cc (version_string): Bump to 1.6.
7034
7035         * testsuite/Makefile.am (many_sections_r_test): New target.
7036         (many_sections_r_test_SOURCES): Remove.
7037         (many_sections_r_test_DEPENDENCIES): Remove.
7038         (many_sections_r_test_LDFLAGS): Remove.
7039         (many_sections_r_test_LDADD): Remove.
7040
7041         * object.cc (Sized_relobj::do_add_symbols): Always pass
7042         local_symbol_count_ to add_from_relobj.
7043
7044         * testsuite/Makefile.am (many_sections_check.h): Only check one in
7045         every thousand variables.
7046         * testsuite/Makefile.in: Rebuild.
7047
7048         * object.cc (Xindex::initialize_symtab_xindex): New function.
7049         (Xindex::read_symtab_xindex): New function.
7050         (Xindex::sym_xindex_to_shndx): New function.
7051         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7052         available.
7053         (Sized_relobj::do_initialize_xindex): New function.
7054         (Sized_relobj::do_read_symbols): Adjust section links.
7055         (Sized_relobj::symbol_section_and_value): Add is_ordinary
7056         parameter.  Change all callers.
7057         (Sized_relobj::include_section_group): Adjust section links and
7058         symbol section indexes.
7059         (Sized_relobj::do_layout): Adjust section links.
7060         (Sized_relobj::do_count_local_symbols): Adjust section links and
7061         symbol section indexes.
7062         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7063         ordinary and special symbols.
7064         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7065         dynsym_xindex parameters.  Change all callers.  Adjust section
7066         links.  Use SHN_XINDEX when needed.
7067         (Sized_relobj::get_symbol_location_info): Adjust section links.
7068         Don't get fooled by special symbols.
7069         * object.h (class Xindex): Define.
7070         (class Object): Add xindex_ parameter.  Declare virtual functoin
7071         do_initialize_xindex.
7072         (Object::adjust_sym_shndx): New function.
7073         (Object::set_xindex): New protected function.
7074         (class Symbol_value): Add is_ordinary_shndx_ field.
7075         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7076         (Symbol_value::value): Assert ordinary section.
7077         (Symbol_value::initialize_input_to_output_map): Likewise.
7078         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7079         Change all callers.
7080         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7081         all callers.
7082         (class Sized_relobj): Update declarations.
7083         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7084         parameter.  Change all callers.
7085         (Sized_relobj::adjust_shndx): New function.
7086         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7087         field.
7088         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7089         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7090         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7091         (Sized_dynobj::read_dynsym_section): Adjust section links.
7092         (Sized_dynobj::read_dynamic): Likewise.
7093         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7094         section links.
7095         (Sized_dynobj::do_initialize_xindex): New function.
7096         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7097         do_initialize_xindex.
7098         (Sized_dynobj::adjust_shndx): New function.
7099         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7100         dynsym_xindex_ fields.
7101         (Layout::finalize): Add a call to set_section_indexes before
7102         creating the symtab sections.
7103         (Layout::set_section_indexes): Don't do anything if the section
7104         already has a section index.
7105         (Layout::create_symtab_sections): Add shnum parameter.  Change
7106         caller.  Create .symtab_shndx section if needed.
7107         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7108         caller.
7109         (Layout::allocated_output_section_count): New function.
7110         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7111         needed.
7112         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7113         fields.  Update declarations.
7114         (Layout::symtab_xindex): New function.
7115         (Layout::dynsym_xindex): New function.
7116         (class Write_symbols_task): Add layout_ field.
7117         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7118         Change caller.
7119         * output.cc (Output_section_headers::Output_section_headers): Add
7120         shstrtab_section parameter.  Change all callers.
7121         (Output_section_headers::do_sized_write): Store overflow values
7122         for section count and section string table section index in
7123         section header zero.
7124         (Output_file_header::do_sized_write): Check for overflow of
7125         section count and section string table section index.
7126         (Output_symtab_xindex::do_write): New function.
7127         (Output_symtab_xindex::endian_do_write): New function.
7128         * output.h (class Output_section_headers): Add shstrtab_section_.
7129         Update declarations.
7130         (class Output_symtab_xindex): Define.
7131         (Output_section::has_out_shndx): New function.
7132         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7133         field.
7134         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7135         Change all callers.
7136         (Sized_symbol::init): Likewise.
7137         (Symbol::output_section): Check for ordinary symbol.
7138         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7139         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7140         callers.
7141         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7142         Change all callers.  Simplify handling of symbols from sections
7143         not included in the link.
7144         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7145         distinction.
7146         (Weak_alias_sorter::operator()): Assert that symbols are
7147         ordinary.
7148         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7149         distinction.
7150         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7151         parameters.  Change all callers.
7152         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7153         symbol distinction.  Use SHN_XINDEX when needed.
7154         (Symbol_table::write_section_symbol): Add symtab_xindex
7155         parameter.  Change all callers.
7156         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7157         SHN_XINDEX when needed.
7158         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7159         declarations.
7160         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7161         (Symbol::is_defined): Check is_ordinary.
7162         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7163         (Symbol::is_absolute, Symbol::is_common): Likewise.
7164         (class Sized_symbol): Update declarations.
7165         (class Symbol_table): Update declarations.
7166         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7167         parameters.  Change all callers.
7168         (Sized_symbol::override): Likewise.
7169         (Symbol_table::override): Likewise.
7170         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7171         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7172         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7173         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7174         to be in an ordinary section.
7175         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7176         object and is_ordinary parameters.  Change all callers.
7177         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7178         Change all callers.  Don't add undefined or non-ordinary symbols
7179         to reloc_map_.
7180         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7181         Change all callers.
7182         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7183         declarations.
7184         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7185         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7186         (Sized_relobj::relocate_sections): Likewise.
7187         * target-reloc.h (scan_relocs): Adjust section symbol index.
7188         (scan_relocatable_relocs): Likewise.
7189         * i386.cc (Scan::local): Check for ordinary symbols.
7190         * sparc.cc (Scan::local): Likewise.
7191         * x86_64.cc (Scan::local): Likewise.
7192         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7193         to symbol_section_and_value.
7194         * testsuite/many_sections_test.cc: New file.
7195         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7196         (check_PROGRAMS): Add many_sections_test.
7197         (many_sections_test_SOURCES): Define.
7198         (many_sections_test_DEPENDENCIES): Define.
7199         (many_sections_test_LDFLAGS): Define.
7200         (BUILT_SOURCES): Add many_sections_define.h.
7201         (many_sections_define.h): New target.
7202         (BUILT_SOURCES): Add many_sections_check.h.
7203         (many_sections_check.h): New target.
7204         (check_PROGRAMS): Add many_sections_r_test.
7205         (many_sections_r_test_SOURCES): Define.
7206         (many_sections_r_test_DEPENDENCIES): Define.
7207         (many_sections_r_test_LDFLAGS): Define.
7208         (many_sections_r_test_LDADD): Define.
7209         (many_sections_r_test.o): New target.
7210         * testsuite/Makefile.in: Rebuild.
7211
7212 2008-04-17  Cary Coutant  <ccoutant@google.com>
7213
7214         * errors.cc (Errors::info): New function.
7215         (gold_info): New function.
7216         * errors.h (Errors::info): New function.
7217         * gold.h (gold_info): New function.
7218         * object.cc (Input_objects::add_object): Print trace output.
7219         * options.cc (options::parse_set): New function.
7220         (General_options::parse_wrap): Deleted.
7221         (General_options::General_options): Deleted initializer.
7222         * options.h (options::String_set): New typedef.
7223         (options::parse_set): New function.
7224         (DEFINE_set): New macro.
7225         (General_options::wrap): Changed to use DEFINE_set. Changed
7226         callers of any_wrap_symbols and is_wrap_symbol.
7227         (General_options::trace, General_options::trace_symbol):
7228         New options.
7229         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7230         (General_options::wrap_symbols_): Deleted.
7231         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7232
7233 2008-04-17  David S. Miller  <davem@davemloft.net>
7234
7235         * options.cc (General_options::parse_V): New function.
7236         * options.h: Add entries for -V and -Qy.
7237
7238 2008-04-17  Ian Lance Taylor  <iant@google.com>
7239
7240         * common.cc (Symbol_table::allocate_commons): Remove options
7241         parameter.  Change caller.
7242         (Symbol_table::do_allocate_commons): Remove options parameter.
7243         Change caller.  Just call do_allocate_commons_list twice.
7244         (Symbol_table::do_allocate_commons_list): New function, broken out
7245         of do_allocate_commons.
7246         * common.h (class Allocate_commons_task): Remove options_ field.
7247         Update constructor.
7248         * symtab.cc (Symbol_table::Symbol_table): Initialize
7249         tls_commons_.
7250         (Symbol_table::add_from_object): Put TLS common symbols on
7251         tls_commons_ list.
7252         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7253         which are IN_OUTPUT_DATA.
7254         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7255         allocate_commons and do_allocate_commons declarations.  Declare
7256         do_allocate_commons_list.
7257         * gold.cc (queue_middle_tasks): Update creation of
7258         Allocate_commons_task to not pass options.
7259         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7260         (TLS_TEST_C_FLAGS): New variable.
7261         (tls_test_c_pic.o): New target.
7262         (tls_test_shared.so): Link in tls_test_c_pic.o.
7263         (tls_test_c_pic_ie.o): New target.
7264         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7265         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7266         (tls_test_c.o): New target.
7267         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7268         (tls_pic_test_LDADD): Likewise.
7269         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7270         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7271         (tls_test_c_gnu2.o): New target.
7272         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7273         tls_test_c_gnu2.o.
7274         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7275         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7276         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7277         * testsuite/tls_test.cc: Include "config.h".
7278         (t_last): Call t11_last.
7279         * testsuite/tls_test.h (t11, t11_last): Declare.
7280         * testsuite/tls_test_c.c: New file.
7281         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7282         * configure.ac: Check for OpenMP support.
7283         * configure, config.in, Makefile.in: Rebuild.
7284         * testsuite/Makefile.in: Rebuild.
7285
7286 2008-04-16  Cary Coutant  <ccoutant@google.com>
7287
7288         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7289         (Target_i386::tls_base_symbol_defined_): New field.
7290         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7291         (Target_i386::Scan::global): Likewise.
7292         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7293         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7294         (Target_x86_64::tls_base_symbol_defined_): New field.
7295         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7296         (Target_x86_64::Scan::global): Likewise.
7297
7298 2008-04-16  Cary Coutant  <ccoutant@google.com>
7299
7300         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7301         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7302         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7303         building shared libraries.
7304         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7305         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7306         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7307         * testsuite/Makefile.in: Rebuild.
7308         * testsuite/weak_undef.h: New file.
7309         * testsuite/weak_undef_file1.cc: Add extra test cases.
7310         * testsuite/weak_undef_file2.cc: Likewise.
7311         * testsuite/weak_undef_test.cc: Likewise.
7312
7313 2008-04-16  David S. Miller  <davem@davemloft.net>
7314
7315         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7316         Add issued_non_pic_error_ field.  Declare check_non_pic.
7317         (Target_sparc::Scan::check_non_pic): New function.
7318         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7319         (Target_sparc::Scan::global): Likewise.
7320
7321         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7322         * configure: Rebuild.
7323
7324         * options.h (DEFINE_enable): New macro.
7325         (new_dtags): New enable option.
7326         (initfirst, interpose, loadfltr, nodefaultlib,
7327         nodelete, nodlopen, nodump): New -z options.
7328         * layout.cc (Layout:finish_dynamic_section): If new
7329         dtags enabled, emit DT_RUNPATH.  Also, emit a
7330         DT_FLAGS_1 containing any specified -z flags.
7331
7332 2008-04-16  Ian Lance Taylor  <iant@google.com>
7333
7334         * copy-relocs.cc: New file.
7335         * copy-relocs.h: New file.
7336         * reloc.cc: Remove Copy_relocs code.
7337         * reloc.h: Likewise.
7338         * reloc-types.h (struct Reloc_types) [both versions]: Add
7339         get_reloc_addend_noerror.
7340         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7341         variants of add_global which take an addend which must be zero.
7342         * i386.cc: Include "copy-relocs.h".
7343         (class Target_i386): Change type of copy_relocs_ to variable,
7344         update initializer.
7345         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7346         Change all callers.
7347         (Target_i386::do_finalize_sections): Change handling of
7348         copy_relocs_.
7349         * sparc.cc: Include "copy-relocs.h".
7350         (class Target_sparc): Change type of copy_relocs_ to variable,
7351         update initializer.
7352         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7353         Change all callers.
7354         (Target_sparc::do_finalize_sections): Change handling of
7355         copy_relocs_.
7356         * x86_64.cc: Include "copy-relocs.h".
7357         (class Target_x86_64): Change type of copy_relocs_ to variable,
7358         update initializer.
7359         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7360         class.  Change all callers.
7361         (Target_x86_64::do_finalize_sections): Change handling of
7362         copy_relocs_.
7363         * Makefile.am (CCFILES): Add copy-relocs.cc.
7364         (HFILES): Add copy-relocs.h.
7365
7366         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7367
7368         * testsuite/script_test_4.sh: Permit leading zeroes.
7369
7370 2008-04-15  Ian Lance Taylor  <iant@google.com>
7371
7372         * script-sections.cc (Script_sections::create_segments): Use
7373         header_size_adjustment even when there is enough room for the
7374         headers.
7375         * testsuite/script_test_4.sh: New file.
7376         * testsuite/script_test_4.t: New file.
7377         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7378         (check_DATA): Add script_test_4.stdout.
7379         (MOSTLYCLEANFILES): Likewise.
7380         (script_test_4): New target.
7381         (script_test_4.stdout): New target.
7382         * testsuite/Makefile.in: Rebuild.
7383
7384         * sparc.cc: Add definitions for Output_data_plt_sparc class
7385         constants.
7386
7387 2008-04-14  David S. Miller  <davem@davemloft.net>
7388
7389         * sparc.cc: New file.
7390         * Makefile.am (TARGETSOURCES): Add sparc.cc
7391         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7392         * configure.tgt: Document targ_extra_size and
7393         targ_extra_big_endian.  Add entries for sparc-* and
7394         sparc64-*.
7395         * configure.ac: Handle targ_extra_size and
7396         targ_extra_big_endian.
7397         * Makefile.in: Rebuild.
7398         * configure: Likewise.
7399         * po/POTFILES.in: Likewise.
7400         * po/gold.pot: Likewise.
7401
7402 2008-04-14  Ian Lance Taylor  <iant@google.com>
7403
7404         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7405         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7406         in the name/type/flags to section mapping.  Don't call
7407         allocate_output_section.
7408         (Layout::choose_output_section): Change parameter from adjust_name
7409         to is_input_section.  Don't permit input sections after sections
7410         are attached to segments.  Don't call allocate_output_section.
7411         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7412         not write_enable_output_section.
7413         (Layout::make_output_section): Don't push to
7414         unattached_section_list_ nor call attach_to_segment.  Call
7415         attach_section_to_segment if sections are attached.
7416         (Layout::attach_sections_to_segments): New function.
7417         (Layout::attach_section_to_segment): New function.
7418         (Layout::attach_allocated_section_to_segment): Rename from
7419         attach_to_segment.  Remove flags parameter.
7420         (Layout::allocate_output_section): Remove function.
7421         (Layout::write_enable_output_section): Remove function.
7422         * layout.h (class Layout): Update for above changes.  Add new
7423         field sections_are_attached_.
7424         * output.h (Output_section::update_flags_for_input_section): New
7425         function.
7426         * output.cc (Output_section::add_input_section): Call
7427         update_flags_for_input_section.
7428         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7429
7430 2008-04-11  Cary Coutant  <ccoutant@google.com>
7431
7432         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7433         thought unnecessary.
7434         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7435
7436 2008-04-11  Ian Lance Taylor  <iant@google.com>
7437
7438         * output.h (class Output_section_data): Remove inline definition
7439         of set_addralign.
7440         * output.cc (Output_section_data::set_addralign): New function.
7441
7442 2008-04-11  Cary Coutant  <ccoutant@google.com>
7443
7444         Add support for TLS descriptors for i386 and x86_64.
7445         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7446         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7447         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7448         GOT_TYPE_TLS_DESC.
7449         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7450         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7451         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7452         relocations.
7453         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7454         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7455         Fix problem with initial-exec relocations.
7456         (Target_i386::Relocate::relocate_tls): Likewise.
7457         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7458         relaxation.
7459         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7460         support for section-plus-offset dynamic table entries.
7461         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7462         (Output_data_dynamic::Dynamic_entry): Add support for
7463         section-plus-offset dynamic table entries.
7464         (Output_data_dynamic::Classification): Likewise.
7465         (Output_data_dynamic::classification_): Renamed offset_.
7466         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7467         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7468         (Target_x86_64::make_plt_section): New function.
7469         (Target_x86_64::reserve_tlsdesc_entries): New function.
7470         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7471         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7472         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7473         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7474         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7475         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7476         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7477         add extra PLT entry for TLS descriptors.
7478         (Output_data_plt_x86_64::got_): New field.
7479         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7480         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7481         fields.
7482         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7483         descriptors.
7484         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7485         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7486         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7487         R_386_TLS_DESC_CALL relocations.
7488         (Target_x86_64::Scan::global): Likewise.
7489         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7490         for TLS descriptors.
7491         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7492         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7493         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7494         GD-to-IE relaxation.
7495         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7496         and TLS_DESCRIPTORS.
7497         * Makefile.in: Rebuild.
7498         * configure: Rebuild.
7499         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7500         (tls_test_shared2.so): New target.
7501         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7502         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7503         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7504         (tls_shared_gd_to_ie_test_LDADD): New variable.
7505         (tls_shared_gnu2_gd_to_ie_test): New target.
7506         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7507         New targets.
7508         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7509         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7510         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7511         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7512         (tls_shared_gnu2_test): New target.
7513         (tls_test_gnu2_shared.so): New target.
7514         (tls_shared_gnu2_test_SOURCES): New variable.
7515         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7516         (tls_shared_gnu2_test_LDFLAGS): New variable.
7517         (tls_shared_gnu2_test_LDADD): New variable.
7518         * testsuite/Makefile.in: Rebuild.
7519         * testsuite/Makefile.
7520
7521 2008-04-11  Ian Lance Taylor  <iant@google.com>
7522
7523         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7524         justsyms.t.
7525         * testsuite/Makefile.in: Rebuild.
7526
7527         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7528         long.
7529         * testsuite/script_test_2.cc (main): Adjust test.
7530
7531 2008-04-11  David S. Miller  <davem@davemloft.net>
7532             Ian Lance Taylor  <iant@google.com>
7533
7534         * options.h (General_options): Add entries for '-Y' and
7535         '-relax'.
7536         * options.cc (General_options:finalize): If -Y was used, add those
7537         entries to the library path instead of the default "/lib" and
7538         "/usr/lib".
7539
7540 2008-04-11  David S. Miller  <davem@davemloft.net>
7541
7542         * testsuite/justsyms.t: Start at 0x100.
7543         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7544         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7545         long.
7546         * testsuite/script_test_2.cc: Adjust string and section length
7547         checks.
7548
7549 2008-04-09  Ian Lance Taylor  <iant@google.com>
7550
7551         PR gold/5996
7552         * script-sections.cc (Sections_element::allocate_to_segment): Add
7553         orphan parameter.
7554         (Output_section_definition::allocate_to_segment): Likewise.
7555         (Orphan_output_section::allocate_to_segment): Likewise.
7556         (Script_sections::attach_sections_using_phdrs_clause): Don't
7557         propagate non-PT_LOAD segments to orphan sections.
7558         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7559         readelf rather than objdump.
7560         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7561         .interp section and PT_INTERP segment are the same size.
7562         * testsuite/Makefile.in: Rebuild.
7563
7564         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7565         aliases for symbols defined in the same object.
7566         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7567         (weak_alias_test_SOURCES): New variable.
7568         (weak_alias_test_DEPENDENCIES): New variable.
7569         (weak_alias_test_LDFLAGS): New variable.
7570         (weak_alias_test_LDADD): New variable.
7571         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7572         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7573         (weak_alias_test_3.o): New target.
7574         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7575         * testsuite/weak_alias_test_main.cc: New file.
7576         * testsuite/weak_alias_test_1.cc: New file.
7577         * testsuite/weak_alias_test_2.cc: New file.
7578         * testsuite/weak_alias_test_3.cc: New file.
7579
7580 2008-04-08  Ian Lance Taylor  <iant@google.com>
7581
7582         * options.h (class General_options): Add --noinhibit-exec option.
7583         * main.cc (main): Check --noinhibit-exec.
7584
7585         * options.h (class General_options): Define --wrap as a special
7586         option.  Add wrap_symbols_ field.
7587         (General_options::any_wrap_symbols): New function.
7588         (General_options::is_wrap_symbol): New function.
7589         * options.cc (General_options::parse_wrap): New function.
7590         (General_options::General_options): Initialize wrap_symbols_.
7591         * symtab.cc (Symbol_table::wrap_symbol): New function.
7592         (Symbol_table::add_from_object): Handle --wrap.
7593         * symtab.h (class Symbol_table): Declare wrap_symbol.
7594         * target.h (Target::wrap_char): New function.
7595         (Target::Target_info): Add wrap_char field.
7596         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7597         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7598         * testsuite/testfile.cc (Target_test::test_target_info):
7599         Likewise.
7600
7601         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7602         there is one.
7603
7604         * layout.h (class Layout): Add added_eh_frame_data_ field.
7605         * layout.cc (Layout::Layout): Initialize new field.
7606         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7607         output section until we find a section we merged successfully.
7608         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7609         that the size be non-zero.
7610
7611         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7612         qualifier.
7613
7614 2008-04-08  Craig Silverstein  <csilvers@google.com>
7615
7616         * configure.ac: Export new conditional variable HAVE_ZLIB.
7617         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7618         on HAVE_ZLIB.
7619         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7620         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7621
7622 2008-04-07  Ian Lance Taylor  <iant@google.com>
7623
7624         * version.cc (version_string): Set to "1.5".
7625
7626         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7627         Add issued_non_pic_error_ field.  Declare check_non_pic.
7628         (Target_x86_64::Scan::check_non_pic): New function.
7629         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7630         (Target_x86_64::Scan::global): Likewise.
7631
7632         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7633         addend parameter.  Change caller.  Handle merge sections.
7634         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7635         Address to Addend.  Don't add in the result of
7636         local_section_offset, pass down the addend and use the returned
7637         value.
7638         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7639         Update declarations of local_section_offset and symbol_value.
7640         * testsuite/two_file_test_1.cc (t18): New function.
7641         * testsuite/two_file_test_2.cc (f18): New function.
7642         * testsuite/two_file_test_main.cc (main): Call t18.
7643         * testsuite/two_file_test.h (t18, f18): Declare.
7644
7645         * configure.ac: Don't test for objdump, c++filt, or readelf.
7646         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7647         conditionals.
7648         (TEST_READELF): New variable.
7649         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7650         (check_PROGRAMS): Add two_file_strip_test.
7651         (two_file_strip_test): New target.
7652         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7653         (two_file_same_shared_strip_test_SOURCES): New variable.
7654         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7655         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7656         (two_file_same_shared_strip_test_LDADD): New variable.
7657         (two_file_shared_strip.so): New target.
7658         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7659         (ver_test_5.syms, ver_test_7.syms): Likewise.
7660         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7661         (strip_test_3.stdout): Use TEST_OBJDUMP.
7662         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7663
7664 2008-04-04  Cary Coutant  <ccoutant@google.com>
7665
7666         * symtab.h (Symbol::is_weak_undefined): New function.
7667         (Symbol::is_strong_undefined): New function.
7668         (Symbol::is_absolute): New function.
7669         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7670         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7671         absolute symbols.
7672         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7673         (weak_undef_test): New target.
7674         * testsuite/Makefile.in: Rebuild.
7675         * testsuite/weak_undef_file1.cc: New file.
7676         * testsuite/weak_undef_file2.cc: New file.
7677         * testsuite/weak_undef_test.cc: New file.
7678
7679 2008-04-03  Craig Silverstein  <csilvers@google.com>
7680
7681         * compressed_output.h (class Output_compressed_section): Use
7682         unsigned buffer.
7683         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7684         add zlib header.
7685         (zlib_compressed_suffix): Removed.
7686         (Output_compressed_section::set_final_data_size): Use unsigned
7687         buffers.
7688         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7689         Fix linker invocation.
7690         (flagstest_o_specialfile_and_compress_debug_sections):
7691         Likewise.
7692         * testsuite/Makefile.in: Regenerated.
7693
7694 2008-04-02  David S. Miller  <davem@davemloft.net>
7695
7696         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7697         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7698
7699 2008-04-02  Craig Silverstein  <csilvers@google.com>
7700
7701         * TODO: New file.
7702
7703 2008-04-02  Ian Lance Taylor  <iant@google.com>
7704
7705         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7706         parameters.  Update for new key type to views_.  Change all
7707         callers.
7708         (File_read::read): Adjust for byteshift in returned view.
7709         (File_read::add_view): New function, broken out of
7710         find_and_make_view.
7711         (File_read::make_view): New function, broken out of
7712         find_and_make_view.
7713         (File_read::find_or_make_view): Add offset and aligned
7714         parameters.  Rewrite accordingly.  Change all callers.
7715         (File_read::get_view): Add offset and aligned parameters.  Adjust
7716         for byteshift in return value.
7717         (File_read::get_lasting_view): Likewise.
7718         * fileread.h (class File_read): Update declarations.
7719         (class File_read::View): Add byteshift_ field.  Add byteshift to
7720         constructor.  Add byteshift method.
7721         * archive.h (Archive::clear_uncached_views): New function.
7722         (Archive::get_view): Add aligned parameter.  Change all callers.
7723         * object.h (Object::get_view): Add aligned parameter.  Change all
7724         callers.
7725         (Object::get_lasting_view): Likewise.
7726
7727         * fileread.cc (File_read::release): Don't call clear_views if
7728         there are multiple objects.
7729         * fileread.h (File_read::clear_uncached_views): New function.
7730         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7731         on the archive.
7732
7733 2008-03-31  Cary Coutant  <ccoutant@google.com>
7734
7735         Add thin archive support.
7736         * archive.cc (Archive::armagt): New const.
7737         (Archive::setup): Remove task parameter and calls to unlock.
7738         (Archive::unlock_nested_archives): New function.
7739         (Archive::read_header): Add nested_off parameter. Change
7740         all callers.
7741         (Archive::interpret_header): Likewise.
7742         (Archive::include_all_members): Change to handle thin
7743         archives.
7744         (Archive::include_member): Likewise.
7745         * archive.h (Archive::Archive): Add new parameters and
7746         initializers.
7747         (Archive::armagt): New const.
7748         (Archive::setup): Remove task parameter.
7749         (Archive::unlock_nested_archives): New function.
7750         (Archive::read_header): Add nested_off parameter.
7751         (Archive::interpret_header): Likewise.
7752         (Archive::Nested_archive_table): New typedef.
7753         (Archive::is_thin_archive_): New field.
7754         (Archive::nested_archives_): New field.
7755         (Archive::options_): New field.
7756         (Archive::dirpath_): New field.
7757         (Archive::task_): New field.
7758         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7759         for thin archives.  Pass additional parameters to
7760         Archive::Archive.  Unlock the archive file after calling
7761         Archive::setup.
7762
7763 2008-03-29  Ian Lance Taylor  <iant@google.com>
7764
7765         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7766         version symbol to be local.
7767         * testsuite/ver_test_4.sh: New file.
7768         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7769         (check_DATA): Add ver_test_4.syms.
7770         (ver_test_4.syms): New target.
7771         * testsuite/Makefile.in: Rebuild.
7772
7773         * output.cc
7774         (Output_section::Input_section_sort_entry::has_priority): New
7775         function.
7776         (Output_section::Input_section_sort_entry::match_file_name): New
7777         function.
7778         (Output_section::Input_section_sort_entry::match_section_name):
7779         Remove.
7780         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7781         Remove.
7782         (Output_section::Input_section_sort_entry::match_section_file):
7783         Remove.
7784         (Output_section::Input_section_sort_compare::operator()): Rewrite
7785         using new Input_section_sort_entry functions.  Sort crtbegin and
7786         crtend first.  Sort sections with no priority before sections with
7787         a priority.
7788         * testsuite/initpri1.c (d3): Check j != 4.
7789         (cd5): New constructor/destructor function.
7790         (main): Check j != 2.
7791
7792         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7793         new symbol when resolving, don't call set_is_default.
7794         * testsuite/ver_test_7.cc: New file.
7795         * testsuite/ver_test_7.sh: New file.
7796         * testsuite/Makefile.am (ver_test_7.so): New target.
7797         (ver_test_7.o): New target.
7798         (check_SCRIPTS): Add ver_test_7.sh.
7799         (check_DATA): Add ver_test_7.syms.
7800         (ver_test_7.syms): New target.
7801
7802 2008-03-28  Ian Lance Taylor  <iant@google.com>
7803
7804         * layout.cc (Layout::layout): If we see an input section with a
7805         name that needs sorting, set the must_sort flag for the output
7806         section.
7807         (Layout::make_output_section): If the name of the output section
7808         indicates that it might require sorting, set the may_sort flag.
7809         * output.h (Output_section::may_sort_attached_input_sections): New
7810         function.
7811         (Output_section::set_may_sort_attached_input_sections): New
7812         function.
7813         (Output_section::must_sort_attached_input_sections): New
7814         function.
7815         (Output_section::set_must_sort_attached_input_sections): New
7816         function.
7817         (class Output_section): Declare Input_section_sort_entry.  Define
7818         Input_section_sort_compare.  Declare
7819         sort_attached_input_sections.  Add new fields:
7820         may_sort_attached_input_sections_,
7821         must_sort_attached_input_sections_,
7822         attached_input_sections_are_sorted_.
7823         * output.cc (Output_section::Output_section): Initialize new
7824         fields.
7825         (Output_section::add_input_section): Add an entry to
7826         input_sections_ if may_sort or must_sort are true.
7827         (Output_section::set_final_data_size): Call
7828         sort_attached_input_sections if necessary.
7829         (Output_section::Input_section_sort_entry): Define new class.
7830         (Output_section::Input_section_sort_compare::operator()): New
7831         function.
7832         (Output_section::sort_attached_input_sections): New function.
7833         * configure.ac: Check whether the compiler supports constructor
7834         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7835         * testsuite/initpri1.c: New file.
7836         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7837         CONSTRUCTOR_PRIORITY.
7838         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7839         (initpri1_LDFLAGS): New variable.
7840         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7841
7842 2008-03-27  Ian Lance Taylor  <iant@google.com>
7843
7844         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7845         * testsuite/common_test_1.c: New file.
7846         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7847         (common_test_1_SOURCES): New variable.
7848         (common_test_1_DEPENDENCIES): New variable.
7849         (common_test_1_LDFLAGS): New variable.
7850
7851         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7852         and commons_ correctly when NAME/VERSION does not override
7853         NAME/NULL.
7854         * testsuite/ver_test_6.c: New file.
7855         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7856         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7857         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7858
7859 2008-03-26  Ian Lance Taylor  <iant@google.com>
7860
7861         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7862         of an undefined symbol from a version script.
7863         * testsuite/Makefile.am (ver_test_5.so): New target.
7864         (ver_test_5.o): New target.
7865         (check_SCRIPTS): Add ver_test_5.sh.
7866         (check_DATA): Add ver_test_5.syms.
7867         (ver_test_5.syms): New target.
7868         * testsuite/ver_test_5.cc: New file.
7869         * testsuite/ver_test_5.script: New file.
7870         * testsuite/ver_test_5.sh: New file.
7871         * Makefile.in, testsuite/Makefile.in: Rebuild.
7872
7873         PR gold/5986
7874         Fix problems building gold with gcc 4.3.0.
7875         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7876         (gold_error_at_location, gold_warning_at_location): Use it.
7877         * configure.ac: Check whether we can compile and use a template
7878         function with a printf attribute.
7879         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7880         when jumping over bytes.
7881         * object.cc: Instantiate Object::read_section_data.
7882         * debug.h: Include <cstring>
7883         * dwarf_reader.cc: Include <algorithm>
7884         * main.cc: Include <cstring>.
7885         * options.cc: Include <cstring>.
7886         * output.cc: Include <cstring>.
7887         * script.cc: Include <cstring>.
7888         * script.h: Include <string>.
7889         * symtab.cc: Include <cstring> and <algorithm>.
7890         * target-select.cc: Include <cstring>.
7891         * version.cc: Include <string>.
7892         * testsuite/testmain.cc: Include <cstdlib>.
7893         * configure, config.in: Rebuild.
7894
7895 2008-03-25  Ian Lance Taylor  <iant@google.com>
7896
7897         * options.cc: Include "../bfd/bfdver.h".
7898         (options::help): Print bug reporting address.
7899
7900         * version.cc (print_version): Adjust output for current value of
7901         BFD_VERSION_STRING.
7902
7903         * NEWS: New file.
7904
7905         * options.cc (options::help): Print list of supported targets.
7906         * target-select.h: Include <vector>.
7907         (class Target_selector): Make machine_, size_, and is_big_endian_
7908         fields const.  Add bfd_name_ and instantiated_target_ fields.
7909         (Target_selector::Target_selector): Add bfd_name parameter.
7910         (Target_selector::recognize): Make non-virtual, call
7911         do_recognize.
7912         (Target_selector::recognize_by_name): Make non-virtual, call
7913         do_recognize_by_name.
7914         (Target_selector::supported_names): New function.
7915         (Target_selector::bfd_name): New function.
7916         (Target_selector::do_instantiate_target): New pure virtual
7917         function.
7918         (Target_selector::do_recognize): New virtual function.
7919         (Target_selector::do_recognize_by_name): New virtual function.
7920         (Target_selector::instantiate_target): New private function.
7921         (supported_target_names): Declare.
7922         * target-select.cc (Target_selector::Target_selector): Update for
7923         new parameter and fields.
7924         (select_target_by_name): Check that the name matches before
7925         calling recognize_by_name.
7926         (supported_target_names): New function.
7927         * i386.cc (class Target_selector_i386): Update Target_selector
7928         constructor call.  Remove recognize and recognize_by_name.  Add
7929         do_instantiate_target.
7930         * x86_64.cc (class Target_selector_x86_64): Likewise.
7931         * testsuite/testfile.cc (class Target_selector_test): Update for
7932         changes to Target_selector.
7933
7934         * README: Rewrite, with some notes on unsupported features.
7935
7936 2008-03-24  Cary Coutant  <ccoutant@google.com>
7937
7938         * i386.cc (Target_i386::Got_type): New enum declaration.
7939         (Target_i386::Scan::local): Updated callers of Output_data_got
7940         member functions.
7941         (Target_i386::Scan::global): Likewise.
7942         (Target_i386::Relocate::relocate): Likewise.
7943         (Target_i386::Relocate::relocate_tls): Likewise.
7944         * object.h (Got_offset_list): New class.
7945         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7946         (Sized_relobj::local_got_offset): Likewise.
7947         (Sized_relobj::set_local_got_offset): Likewise.
7948         (Sized_relobj::local_has_tls_got_offset): Removed.
7949         (Sized_relobj::local_tls_got_offset): Removed.
7950         (Sized_relobj::set_local_tls_got_offset): Removed.
7951         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7952         * output.cc (Output_data_got::add_global): Added got_type parameter.
7953         (Output_data_got::add_global_with_rel): Likewise.
7954         (Output_data_got::add_global_with_rela): Likewise.
7955         (Output_data_got::add_global_pair_with_rel): New function.
7956         (Output_data_got::add_global_pair_with_rela): New function.
7957         (Output_data_got::add_local): Added got_type parameter.
7958         (Output_data_got::add_local_with_rel): Likewise.
7959         (Output_data_got::add_local_with_rela): Likewise.
7960         (Output_data_got::add_local_pair_with_rel): New function.
7961         (Output_data_got::add_local_pair_with_rela): New function.
7962         (Output_data_got::add_global_tls): Removed.
7963         (Output_data_got::add_global_tls_with_rel): Removed.
7964         (Output_data_got::add_global_tls_with_rela): Removed.
7965         (Output_data_got::add_local_tls): Removed.
7966         (Output_data_got::add_local_tls_with_rel): Removed.
7967         (Output_data_got::add_local_tls_with_rela): Removed.
7968         * output.h (Output_data_got::add_global): Added got_type parameter.
7969         (Output_data_got::add_global_with_rel): Likewise.
7970         (Output_data_got::add_global_with_rela): Likewise.
7971         (Output_data_got::add_global_pair_with_rel): New function.
7972         (Output_data_got::add_global_pair_with_rela): New function.
7973         (Output_data_got::add_local): Added got_type parameter.
7974         (Output_data_got::add_local_with_rel): Likewise.
7975         (Output_data_got::add_local_with_rela): Likewise.
7976         (Output_data_got::add_local_pair_with_rel): New function.
7977         (Output_data_got::add_local_pair_with_rela): New function.
7978         (Output_data_got::add_global_tls): Removed.
7979         (Output_data_got::add_global_tls_with_rel): Removed.
7980         (Output_data_got::add_global_tls_with_rela): Removed.
7981         (Output_data_got::add_local_tls): Removed.
7982         (Output_data_got::add_local_tls_with_rel): Removed.
7983         (Output_data_got::add_local_tls_with_rela): Removed.
7984         * resolve.cc (Symbol::override_base_with_special): Removed
7985         reference to has_got_offset_ field.
7986         * symtab.cc (Symbol::init_fields): Replaced initialization
7987         of got_offset_ with got_offsets_.  Removed initialization
7988         of has_got_offset_
7989         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7990         (Symbol::got_offset): Likewise.
7991         (Symbol::set_got_offset): Likewise.
7992         (Symbol::has_tls_got_offset): Removed.
7993         (Symbol::tls_got_offset): Removed.
7994         (Symbol::set_tls_got_offset): Removed.
7995         (Symbol::got_offset_): Removed.
7996         (Symbol::tls_mod_got_offset_): Removed.
7997         (Symbol::tls_pair_got_offset_): Removed.
7998         (Symbol::got_offsets_): New field.
7999         (Symbol::has_got_offset): Removed.
8000         (Symbol::has_tls_mod_got_offset): Removed.
8001         (Symbol::has_tls_pair_got_offset): Removed.
8002         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8003         (Target_x86_64::Scan::local): Updated callers of Output_data_got
8004         member functions.
8005         (Target_x86_64::Scan::global): Likewise.
8006         (Target_x86_64::Relocate::relocate): Likewise.
8007         (Target_x86_64::Relocate::relocate_tls): Likewise.
8008
8009 2008-03-25  Ben Elliston  <bje@au.ibm.com>
8010
8011         * yyscript.y: Fix spelling error in comment.
8012
8013 2008-03-24  Ian Lance Taylor  <iant@google.com>
8014
8015         * options.h (class General_options): Define build_id option.
8016         * layout.h (class Layout): Declare write_build_id, create_note,
8017         create_build_id.  Add build_id_note_ member.
8018         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8019         "libiberty.h", "md5.h", "sha1.h".
8020         (Layout::Layout): Initialize eh_frame_data_,
8021         eh_frame_hdr_section_, and build_id_note_.
8022         (Layout::finalize): Call create_build_id.
8023         (Layout::create_note): New function, broken out of
8024         Layout::create_gold_note.
8025         (Layout::create_gold_note): Call create_note.
8026         (Layout::create_build_id): New function.
8027         (Layout::write_build_id): New function.
8028         (Close_task_runner::run): Call write_build_id.
8029
8030         * x86_64.cc: Correct license to GPLv3.
8031
8032 2008-03-23  Ian Lance Taylor  <iant@google.com>
8033
8034         * options.cc: Include "demangle.h".
8035         (parse_optional_string): New function.
8036         (parse_long_option): Handle takes_optional_argument.
8037         (parse_short_option): Update dash_z initializer.  Handle
8038         takes_optional_argument.
8039         (General_options::General_options): Initialize do_demangle_.
8040         (General_options::finalize): Set do_demangle_.  Handle demangling
8041         style.
8042         * options.h (parse_optional_string): Declare.
8043         (struct One_option): Add optional_arg field.  Update constructor.
8044         Update call constructor calls.  Add takes_optional_argument
8045         function.
8046         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
8047         (DEFINE_optional_string): Define.
8048         (General_options::demangle): Change from DEFINE_bool to
8049         DEFINE_optional_string.
8050         (General_options::no_demangle): New function.
8051         (General_options::do_demangle): New function.
8052         (General_options::set_do_demangle): New function.
8053         (General_options::execstack_status_): Move definition to end of
8054         class definition.
8055         (General_options::static_): Likewise.
8056         (General_options::do_demangle_): New field.
8057         * object.cc (big_endian>::get_symbol_location_info): Call
8058         Options::do_demangle, not Options::demangle.
8059         * symtab.cc (demangle): Likewise.
8060
8061 2008-03-22  Ian Lance Taylor  <iant@google.com>
8062
8063         * gold.h: Include <cstddef> and <sys/types.h>
8064         * options.h: Include <cstring>.
8065
8066 2008-03-21  Ian Lance Taylor  <iant@google.com>
8067
8068         * Added source code to GNU binutils.