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