4f5833b00b0fa9bcf3bbfd52e326d7db61a90501
[platform/upstream/binutils.git] / gold / ChangeLog
1 2010-07-13  Doug Kwan  <dougkwan@google.com>
2
3         * arm.cc (Arm_input_section::Arm_input_section): For a
4         SHT_ARM_EXIDX section, always keeps the input sections.
5         (Arm_input_section::set_exidx_section_link): New method.
6         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
7         has_errors_ to false.
8         (Arm_exidx_input_section::has_errors,
9         Arm_exidx_input_section::set_has_errors): New methods.
10         (Arm_exidx_input_section::has_errors_): New data member.
11         (Arm_relobj::get_exidx_shndx_list): New method.
12         (Arm_output_section::append_text_sections_to_list): Do not skip
13         section without SHF_EXECINSTR.
14         (Arm_output_section::fix_exidx_coverage): Skip input sections with
15         errors.
16         (Arm_relobj::make_exidx_input_section): Add new parameter for text
17         section header.  Make error messages more verbose.  Check for
18         a non-executable section linked to an EXIDX section.
19         (Arm_relobj::do_read_symbols): Remove error checking, which has been
20         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
21         check that there is no deferred EXIDX section if we exit early.
22         Instead of not making an EXIDX section in case of an error, make one
23         and set the has_errors flag of it.
24         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
25         in a relocatable link.
26         (Target_arm::do_relax): Look for the EXIDX output section instead of
27         assuming that it is called .ARM.exidx.
28         (Target_arm::fix_exidx_coverage): Add a new parameter for input
29         section list.  Do not check for SHF_EXECINSTR section flags but
30         skip any input section with errors.
31         * output.cc (Output_section::Output_section): Initialize
32         always_keeps_input_sections_ to false.
33         (Output_section::add_input_section): Check for
34         always_keeps_input_sections_.
35         *  output.h (Output_section::always_keeps_input_sections,
36         Output_section::set_always_keeps_input_sections): New methods.
37         (Output_section::always_keeps_input_sections): New data member.
38
39 2010-07-13  Rafael Espindola  <espindola@google.com>
40
41         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
42         * fileread.h (Input_file): Add try_extra_search_path and find_file.
43
44 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
45             Ian Lance Taylor  <iant@google.com>
46
47         * output.h (Output_section_lookup_maps::add_merge_section):
48         Correct check of whether value was inserted.
49         (Output_section_lookup_maps::add_merge_input_section): Likewise.
50         (Output_section_lookup_maps::add_relaxed_input_section):
51         Likewise.
52         * arm.cc (Target_arm::got_section): Remove used local os.
53         * i386.cc (Target_i386::got_section): Likewise.
54         * x86_64.cc (Target_x86_64::got_section): Likewise.
55         * sparc.cc (Target_sparc::got_section): Likewise.
56         (Target_sparc::relocate): Remove unused local have_got_offset.
57         * powerpc.cc (Target_powerpc::relocate): Likewise.
58
59 2010-07-13  Ian Lance Taylor  <iant@google.com>
60
61         * compressed_output.cc (zlib_decompress): Fix signature in
62         !HAVE_ZLIB_H case.
63
64         * archive.cc (Archive::include_member): Unlock an external member
65         of a thin archive.  Don't bother to delete an object we know is
66         NULL.
67
68 2010-07-12  Cary Coutant  <ccoutant@google.com>
69
70         * compressed_output.cc (zlib_decompress): New function.
71         (get_uncompressed_size): New function.
72         (decompress_input_section): New function.
73         * compressed_output.h (get_uncompressed_size): New function.
74         (decompress_input_section): New function.
75         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
76         Handle compressed debug sections.
77         * layout.cc (is_compressed_debug_section): New function.
78         (Layout::output_section_name): Map compressed section names to
79         canonical names.
80         * layout.h (is_compressed_debug_section): New function.
81         (is_debug_info_section): Recognize compressed debug sections.
82         * merge.cc: Include compressed_output.h.
83         (Output_merge_data::do_add_input_section): Handle compressed
84         debug sections.
85         (Output_merge_string::do_add_input_section): Handle compressed
86         debug sections.
87         * object.cc: Include compressed_output.h.
88         (Sized_relobj::Sized_relobj): Initialize new data members.
89         (build_compressed_section_map): New function.
90         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
91         * object.h (Object::section_is_compressed): New method.
92         (Object::do_section_is_compressed): New method.
93         (Sized_relobj::Compressed_section_map): New type.
94         (Sized_relobj::do_section_is_compressed): New method.
95         (Sized_relobj::compressed_sections_): New data member.
96         * output.cc (Output_section::add_input_section): Handle compressed
97         debug sections.
98         * reloc.cc: Include compressed_output.h.
99         (Sized_relobj::write_sections): Handle compressed debug sections.
100
101 2010-07-08  Cary Coutant  <ccoutant@google.com>
102
103         * resolve.cc (Symbol_table::resolve): Remember whether undef was
104         weak when resolving to a dynamic def.
105         (Symbol_table::should_override): Add adjust_dyndef flag; set it
106         for weak undef/dynamic def cases. Adjust callers.
107         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
108         undef_binding_weak_.
109         (Symbol_table::sized_write_globals): Adjust symbol binding.
110         (Symbol_table::sized_write_symbol): Add binding parameter.
111         * symtab.h (Symbol::set_undef_binding): New method.
112         (Symbol::is_undef_binding_weak): New method.
113         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
114         (Symbol_table::should_override): Add new parameter.
115         (Symbol_table::sized_write_symbol): Add new parameter.
116
117         * testsuite/weak_undef_file1.cc: Add new test case.
118         * testsuite/weak_undef_file2.cc: Fix header comment.
119         * testsuite/weak_undef_test.cc: Add new test case.
120
121 2010-06-29  Doug Kwan  <dougkwan@google.com>
122
123         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
124         Initialize USE_SYMBOL_.
125         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
126         definition.
127         (Arm_reloc_property::uses_symbol_): New data member declaration.
128         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
129         uses symbol value and symbol is undefined but not weakly undefined.
130
131 2010-06-28  Rafael Espindola  <espindola@google.com>
132
133         * plugin.cc (Plugin::load): Use dlerror.
134
135 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
136
137         * symtab.cc (detect_odr_violations): When reporting an ODR
138         violation, report an object where the symbol is defined.
139
140 2010-06-25  Doug Kwan  <dougkwan@google.com>
141
142         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
143         (Target_arm::section_may_have_icf_unsafe_pointers): New method
144         definition.
145         (Target_arm::Scan::local_reloc_may_be_function_pointer,
146         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
147         target hook to detect function points.
148         (Target_arm::Scan::possible_function_pointer_reloc): New method.
149         * icf.h (Icf::check_section_for_function_pointers): Change type of
150         parameter SECTION_NAME to const reference to std::string.  Use
151         target hook to determine if section may have unsafe pointers.
152         * target.h (Target::section_may_have_icf_unsafe_pointers): New
153         method definition.
154
155 2010-06-21  Rafael Espindola  <espindola@google.com>
156
157         * fileread.cc (Input_file::find_fie): New
158         (Input_file::open): Use Input_file::find_fie.
159         * fileread.h (Input_file::find_fie): New
160         * plugin.cc (set_extra_library_path): New.
161         (Plugin::load): Add set_extra_library_path to the transfer vector.
162         (Plugin_manager::set_extra_library_path): New.
163         (Plugin_manager::add_input_file): Use the extra search path if set.
164         (set_extra_library_path(): New.
165         * plugin.h (Plugin_manager): Add set_extra_library_path and
166         extra_search_path_.
167
168 2010-06-19  Cary Coutant  <ccoutant@google.com>
169
170         * layout.cc (gdb_sections): Add .debug_types.
171         (lines_only_debug_sections): Likewise.
172
173 2010-06-18  Rafael Espindola  <espindola@google.com>
174
175         * plugin.cc (add_input_file,add_input_library)
176         (Plugin_manager::add_input_file): Make filename arguments const.
177         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
178         const.
179
180 2010-06-16  Doug Kwan  <dougkwan@google.com>
181
182         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
183         .ARM.attributes section if we have not merged any input
184         attributes sections.
185
186 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
187
188         * arm.cc: Allow combining objects with no EABI version
189         information.
190
191 2010-06-15  Rafael Espindola  <espindola@google.com>
192
193         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
194
195 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
196
197         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
198         (struct iovec): Correct !HAVE_READV definition.
199
200 2010-06-10  Cary Coutant  <ccoutant@google.com>
201
202         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
203         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
204         reloc sections.
205         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
206
207         PR 11683
208         * symtab.h (Symbol::is_placeholder): New member function.
209         * target-reloc.h (relocate_section): Check for placeholder symbols.
210
211         * testsuite/Makefile.am (plugin_test_8): New test.
212         (plugin_test_9): New test.
213         * testsuite/Makefile.in: Regenerate.
214
215 2010-06-09  Nick Clifton  <nickc@redhat.com>
216
217         * yyscript.y (input_list_element): Allow strings prefixed with
218         the '-' character.  Treat these as libraries.
219         * script.cc (script_add_library): New function.  Adds a library
220         specified by "-l<name>" found in an input script.
221         * script-c.h: Add prototype for script_add_library.
222
223 2010-06-07  Doug Kwan  <dougkwan@google.com>
224
225         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
226         Restrict stub-group size to be within long conditional branch
227         range when working around cortex-A8 erratum.
228
229 2010-06-07  Damien Diederen  <dd@crosstwine.com>
230
231         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
232         #ifdef typo.
233
234 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
235
236         PR gold/11658
237         * output.cc
238         (Output_section::Input_section_sort_entry::compare_section_ordering):
239         Change to return non-zero correctly.
240         (Output_section::Input_section_sort_section_order_index_compare
241         ::operator()): Change to fix ambiguity in comparisons.
242
243 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
244
245         * gold.h (is_wildcard_string): New function.
246         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
247         (Layout::layout_eh_frame): Ditto.
248         (Layout::find_section_order_index): New method.
249         (Layout::read_layout_from_file): New method.
250         * layout.h (Layout::find_section_order_index): New method.
251         (Layout::read_layout_from_file): New method.
252         (Layout::input_section_position_): New private member.
253         (Layout::input_section_glob_): New private member.
254         * main.cc (main): Call read_layout_from_file here.
255         * options.h (--section-ordering-file): New option.
256         * output.cc (Output_section::input_section_order_specified_): New
257         member.
258         (Output_section::Output_section): Initialize new member.
259         (Output_section::add_input_section): Add new parameter.
260         Keep input sections when --section-ordering-file is used.
261         (Output_section::set_final_data_size): Sort input sections when
262         section ordering file is specified.
263         (Output_section::Input_section_sort_entry): Add new parameter.
264         Check sorting type.
265         (Output_section::Input_section_sort_entry::compare_section_ordering):
266         New method.
267         (Output_section::Input_section_sort_compare::operator()): Change to
268         consider section_order_index.
269         (Output_section::Input_section_sort_init_fini_compare::operator()):
270         Change to consider section_order_index.
271         (Output_section::Input_section_sort_section_order_index_compare
272         ::operator()): New method.
273         (Output_section::sort_attached_input_sections): Change to sort
274         according to section order when specified.
275         (Output_section::add_input_section<32, true>): Add new parameter.
276         (Output_section::add_input_section<64, true>): Add new parameter.
277         (Output_section::add_input_section<32, false>): Add new parameter.
278         (Output_section::add_input_section<64, false>): Add new parameter.
279         * output.h (Output_section::add_input_section): Add new parameter.
280         (Output_section::input_section_order_specified): New
281         method.
282         (Output_section::set_input_section_order_specified): New method.
283         (Input_section::Input_section): Initialize section_order_index_.
284         (Input_section::section_order_index): New method.
285         (Input_section::set_section_order_index): New method.
286         (Input_section::section_order_index_): New member.
287         (Input_section::Input_section_sort_section_order_index_compare): New
288         struct.
289         (Output_section::input_section_order_specified_): New member.
290         * script-sections.cc (is_wildcard_string): Delete and move modified
291         method to gold.h.
292         (Output_section_element_input::Output_section_element_input): Modify
293         call to is_wildcard_string.
294         (Output_section_element_input::Input_section_pattern
295         ::Input_section_pattern): Ditto.
296         (Output_section_element_input::Output_section_element_input): Ditto.
297         * testsuite/Makefile.am (final_layout): New test case.
298         * testsuite/Makefile.in: Regenerate.
299         * testsuite/final_layout.cc: New file.
300         * testsuite/final_layout.sh: New file.
301
302 2010-06-01  Rafael Espindola  <espindola@google.com>
303
304         * plugin.cc (Plugin::load): Pass the output name to the plugin.
305
306 2010-06-01  Rafael Espindola  <espindola@google.com>
307
308         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
309         visibility of symbols.
310
311 2010-05-27  Doug Kwan  <dougkwan@google.com>
312
313         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
314         from start of output section instead of address for a local symbol
315         in a merged or relaxed section when doing a relocatable link.
316
317 2010-05-26  Rafael Espindola  <espindola@google.com>
318
319        PR 11604
320         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
321         adding sections the garbage collector removed.
322         * gold/testsuite/Makefile.am: Add test.
323         * gold/testsuite/Makefile.in: Regenerate.
324         * gold/testsuite/plugin_test_7.sh: New.
325         * gold/testsuite/plugin_test_7_1.c: New.
326         * gold/testsuite/plugin_test_7_2.c: New.
327
328 2010-05-26  Rafael Espindola  <espindola@google.com>
329
330         * script-sections.cc (Output_section_definition::set_section_addresses):
331         Check for --section-start.
332
333 2010-05-26  Doug Kwan  <dougkwan@google.com>
334
335         * arm.cc (Arm_scan_relocatable_relocs): New class.
336         (Target_arm::relocate_special_relocatable): New method.
337         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
338         (Arm_relocate_functions::thumb_branch_common): Same.
339         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
340         instead of Default_scan_relocatable_relocs.
341         * target-reloc.h (relocate_for_relocatable): Let target handle
342         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
343         * target.h (Sized_target::relocate_special_relocatable): New method.
344
345 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
346
347         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
348
349 2010-05-23  Doug Kwan  <dougkwan@google.com>
350
351         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
352         instead of a cast.
353         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
354         with a direct branch, not a conditional branch, to a stub.
355         * merge.cc (Output_merge_base::record_input_section): New method
356         defintion.
357         (Output_merge_data::do_add_input_section): Record input section if
358         keeps-input-sections flag is set.
359         (Output_merge_string::do_add_input_section): Ditto.
360         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
361         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
362         INPUT_SECTIONS_.
363         (Output_merge_base::keeps_input_sections,
364         Output_merge_base::set_keeps_input_sections,
365         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
366         method definitions.
367         (Output_merge_base::Input_sections): New type declaration.
368         (Output_merge_base::input_sections_begin,
369         Output_merge_base::input_sections_end,
370         Output_merge_base::do_set_keeps_input_sections): New method definitions.
371         (Output_merge_base::bool keeps_input_sections_,
372         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
373         Output_merge_base::input_sections_): New data members.
374         (Output_merge_data::do_set_keeps_input_sections): New method
375         defintion.
376         (Output_merge_string::do_set_keeps_input_sections): Ditto.
377         * output.cc (Output_section::Input_section::relobj): Move method
378         defintion from class declaration to here and handle merge sections.
379         (Output_section::Input_section::shndx): Ditto.
380         (Output_section::Output_section): Remove initializations of removed
381         data members and initialize new data member LOOKUP_MAPS_.
382         (Output_section::add_input_section): Set keeps-input-sections flag
383         for a newly created merge output section as appropriate.  Adjust code
384         to use Output_section_lookup_maps class.
385         (Output_section::add_relaxed_input_section): Adjst code for lookup
386         maps code refactoring.
387         (Output_section::add_merge_input_section): Add a new parameter
388         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
389         class.  If adding input section to a newly created merge output
390         section fails, remove the new merge section.
391         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
392         Adjust code for use of the Output_section_lookup_maps class.
393         (Output_section::find_merge_section): Ditto.
394         (Output_section::build_lookup_maps): New method defintion.
395         (Output_section::find_relaxed_input_section): Adjust code to use
396         Output_section_lookup_maps class.
397         (Output_section::get_input_sections): Export merge sections.  Adjust
398         code to use Output_section_lookup_maps class.
399         (Output_section:::add_script_input_section): Adjust code to use
400         Output_section_lookup_maps class.  Update lookup maps for merge
401         sections also.
402         (Output_section::discard_states): Use Output_section_lookup_maps.
403         (Output_section::restore_states): Same.
404         * output.h (Merge_section_properties): Move class defintion out of
405         Output_section.
406         (Output_section_lookup_maps): New class.
407         (Output_section::Input_section::is_merge_section): New method
408         defintion.
409         (Output_section::Input_section::relobj): Move defintion out of class
410         defintion.  Declare method only.
411         (Output_section::Input_section::shndx): Ditto.
412         (Output_section::Input_section::output_merge_base): New method defintion.
413         (Output_section::Input_section::u2_.pomb): New union field.
414         (Output_section::Merge_section_by_properties_map,
415         Output_section::Output_section_data_by_input_section_map,
416         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
417         Remove types.
418         (Output_section::add_merge_input_section): Add new parameter
419         KEEPS_INPUT_SECTIONS.
420         (Output_section::build_lookup_maps): New method declaration.
421         (Output_section::merge_section_map_,
422         Output_section::merge_section_by_properties_map_,
423         Output_section::relaxed_input_section_map_,
424         Output_section::is_relaxed_input_section_map_valid_): Remove data
425         members.
426         (Output_section::lookup_maps_): New data member.
427
428 2010-05-21  Doug Kwan  <dougkwan@google.com>
429
430         PR gold/11619
431         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
432         avoid a compilation error.
433
434 2010-05-19  Rafael Espindola  <espindola@google.com>
435
436         * script-sections.cc (Output_section_definition::allocate_to_segment):
437         Update the phdrs_list even when the output section is NULL.
438         * testsuite/Makefile.am: Add test.
439         * testsuite/Makefile.in: Regenerate.
440         * testsuite/script_test_9.cc: New.
441         * testsuite/script_test_9.sh: New.
442         * testsuite/script_test_9.t: New.
443
444 2010-05-19  Doug Kwan  <dougkwan@google.com>
445
446         * arm.cc (Arm_input_section::original_size): New method.
447         (Arm_input_section::do_addralign): Add a cast.
448         (Arm_input_section::do_output_offset): Remove static cast.
449         (Arm_input_section::original_addralign,
450          Arm_input_section::original_size_): Change type to uint32_t.
451         (Arm_input_section::init): Add safe casts for section alignment
452         and size.
453         (Arm_input_section::set_final_data_size): Do not set address and
454         offset of stub table.
455         (Arm_output_section::fix_exidx_coverage): Change use of of
456         Output_section::Simple_input_section to that of
457         Output_section::Input_section.
458         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
459         except for the first pass.
460         * output.cc (Output_section::get_input_sections): Change type of
461         input_sections to std::list<Input_section>.
462         (Output_section::add_script_input_section): Rename from
463         Output_section::add_simple_input_section.  Change type of SIS
464         parameter from Simple_input_section to Input_section.
465         * output.h (Output_section::Simple_input_section): Remove class.
466         (Output_section::Input_section): Change class visibility to public.
467         (Output_section::Input_section::addralign): Use stored alignments
468         for special input sections if set.
469         (Output_section::Input_section::set_addralign): New method.
470         (Output_section::get_input_sections): Change parameter type from
471         list of Simple_input_section to list of Input_section.
472         (Output_section::add_script_input_section): Rename from
473         Output_section::add_simple_input_section. Change first parameter's
474         type from Simple_input_section to Input_section and remove the
475         second and third parameters.
476         * script-sections.cc (Input_section::Input_section_list): Change
477         type to list of Output_section::Input_section/
478         (Input_section_info::Input_section_info): Change parameter type of
479         INPUT_SECTION to Output_section::Input_section.
480         (Input_section_info::input_section): Change return type.
481         (Input_section_info::input_section_): Change type to
482         Output_section::Input_section.
483         (Output_section_element_input::set_section_addresses): Adjust code
484         to use Output_section::Input_section instead of
485         Output_section::Simple_input_section.  Adjust code for renaming
486         of Output_section::add_simple_input_section.
487         (Orphan_output_section::set_section_addresses): Ditto.
488
489 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
490
491         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
492         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
493
494 2010-05-18  Rafael Espindola  <espindola@google.com>
495
496         * options.cc (General_options::finalize): Handle -nostdlib.
497         * options.h (nostdlib): New option.
498         * script.cc (script_add_search_dir): Handle -nostdlib.
499
500 2010-05-12  Doug Kwan  <dougkwan@google.com>
501
502         * arm.cc (Target_arm::do_finalize_sections): Create an empty
503         attributes section only if there no attributes section after merging.
504         (Target_arm::merge_object_attributes): Move value of
505         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
506         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
507         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
508         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
509         and arm_attr_merge_7.stdout.
510         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
511         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
512         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
513         arm_attr_merge_7b.o): New rules.
514         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
515         arm_attr_merge_7
516         * testsuite/Makefile.in: Regenerate.
517         * testsuite/arm_attr_merge.sh: New file.
518         * testsuite/arm_attr_merge_[67][ab].s: Same.
519
520 2010-05-05  Nick Clifton  <nickc@redhat.com>
521
522         * po/es.po: Updated Spanish translation.
523
524 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
525
526         * Makefile.am (install-exec-local): Properly install gold as
527         default cross linker.
528         * Makefile.in: Regenerated.
529
530 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
531             Nick Clifton  <nickc@redhat.com>
532
533         * configure.ac (install_as_default): Define and set to false
534         unless --enable-gold or --enable-gold=both/gold has been
535         specified.
536         * configure: Regenerate.
537
538         * Makefile.am (install-exec-local): Install the executable as
539         'ld.gold'.  If install_as_default is true then also install it as
540         'ld'.
541         * Makefile.in: Regenerated.
542
543 2010-04-24  Ian Lance Taylor  <iant@google.com>
544
545         * layout.cc (Layout::layout_reloc): In relocatable link don't
546         combine reloc sections for grouped sections.
547
548 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
549
550         * gc.h (gc_process_relocs): Pass information on relocs pointing to
551         sections that are not ordinary to icf.
552         * icf.cc (get_section_contents): Handle relocation pointing to section
553         with no object or shndx information.
554         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
555         * testsuite/Makefile.in: Regenerate.
556         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
557         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
558
559 2010-04-22  Ian Lance Taylor  <iant@google.com>
560
561         * expression.cc (Expression::Expression_eval_info): Add
562         result_alignment_pointer field.
563         (Expression::eval_with_dot): Add result_alignment_pointer
564         parameter.  Change all callers.
565         (Expression::eval_maybe_dot): Likewise.
566         (class Binary_expression): Add alignment_pointer parameter to
567         left_value and right_value.  Change all callers.
568         (BINARY_EXPRESSION): Set result alignment.
569         (class Trinary_expression): Add alignment_pointer parameter to
570         arg2_value and arg3_value.  Change all callers.
571         (Trinary_cond::value): Set result alignment.
572         (Max_expression::value, Min_expression::value): Likewise.
573         (Align_expression::value): Likewise.
574         * script-sections.cc (class Sections_element): Add dot_alignment
575         parameter to set_section_addresses virtual function.  Update
576         instantiations.
577         (class Output_section_element): Likewise.
578         (Script_sections::create_segments): Add dot_alignment parameter.
579         Change all callers.
580         (Script_sections::create_segments_from_phdrs_clause): Likewise.
581         (Script_sections::set_phdrs_clause_addresses): Likewise.
582         * script-sections.h: Update declarations.
583         * script.h: Update declarations.
584         * output.h (Output_segment::set_minimum_p_align): Don't decrease
585         min_p_align.
586         * testsuite/script_test_3.t: Set large alignment.
587         * testsuite/script_test_3.sh: Make sure that at least one LOAD
588         segment has expected alignment.
589
590 2010-04-22  Nick Clifton  <nickc@redhat.com>
591
592         * po/gold.pot: Updated by the Translation project.
593         * po/vi.po: Updated Vietnamese translation.
594
595 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
596
597         * testsuite/Makefile.am (check_PROGRAMS): Add
598         icf_virtual_function_folding_test.
599         * testsuite/Makefile.in: Regenerated.
600
601 2010-04-15  Andrew Haley  <aph@redhat.com>
602
603         * options.h (merge_exidx_entries): New option.
604         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
605         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
606         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
607         (Target_arm::merge_exidx_entries): New function.
608         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
609         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
610         to Arm_exidx_fixup constructor.
611         Add new arg, merge_exidx_entries.
612         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
613         Arm_output_section::fix_exidx_coverage.
614
615 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
616
617         * icf.cc (get_section_contents): Check for preemptible functions.
618         Ignore addend when appropriate.
619         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
620         section folded.
621         (add_from_relobj): Check for section folded.
622         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
623         * symtab.h (should_add_dynsym_entry): Add new parameter.
624         * target-reloc.h (scan_relocs): Check for section folded.
625         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
626         Check reloc types for function pointers in shared objects.
627         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
628         case.
629         (icf_preemptible_functions_test): New test case.
630         (icf_string_merge_test): New test case.
631         * testsuite.Makefile.in: Regenerate.
632         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
633         bar_glob.  Refactor code.
634         * testsuite/icf_preemptible_functions_test.cc: New file.
635         * testsuite/icf_preemptible_functions_test.sh: New file.
636         * testsuite/icf_string_merge_test.cc: New file.
637         * testsuite/icf_string_merge_test.sh: New file.
638         * testsuite/icf_virtual_function_folding_test.cc: New file.
639         * testsuite/icf_virtual_function_folding_test.sh: New file.
640
641 2010-04-14  Doug Kwan  <dougkwan@google.com>
642
643         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
644         for local symbol recounting if we remove a section due to ICF.
645         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
646         there are no regular objects in input.
647
648 2010-04-13  Doug Kwan  <dougkwan@google.com>
649
650         * arm.cc (Arm_input_section::set_final_data_size): Compute
651         accurate final data size instead of using current data size.
652
653 2010-04-09  Doug Kwan  <dougkwan@google.com>
654
655         * layout.cc (Layout::choose_output_section): Handle script section
656         types.
657         (Layout::make_output_section_for_script): Add section type parameter.
658         Handle script section types.
659         * layout.h (Layout::make_output_section_for_script): Add section
660         type parameter.
661         * output.cc (Output_section::Output_section): Initialize data member
662         is_noload_.
663         (Output_section::do_reset_address_and_file_offset): Do not set address
664         to 0 if section is a NOLOAD section.
665         * output.h (Output_section::is_noload): New method.
666         (Output_section::set_is_noload): Ditto.
667         (Output_section::is_noload_): New data member.
668         * script-c.h (Script_section_type): New enum type.
669         (struct Parser_output_section_header): Add new file section_type.
670         * script-sections.cc (Sections_element::output_section_name): Add
671         parameter for returning script section type.
672         (Output_section_definition::output_section_name): Ditto.
673         (Output_section_definition::section_type)P; New method.
674         (Output_section_definiton::script_section_type_name): Ditto.
675         (Output_section_definition::script_section_type_): New data member.
676         (Output_section_definition::Output_section_definition): Initialize
677         data member Output_section_definition::script_section_type_.
678         (Output_section_definition::create_sections): Pass script section type
679         to Layout::make_output_section_for_script.
680         (Output_section_definition::output_section_name): Return script
681         section type to caller.
682         (Output_section_definition::set_section_address): Do not advance
683         dot value and load address if section type is NOLOAD.  Set address
684         of NOLOAD sections regardless of section flags.
685         (Output_section_definition::print): Print section type if it is
686         not SCRIPT_SECTION_TYPE_NONE.
687         (Output_section_definition::section_type): New method.
688         (Output_section_definition::script_section_type_name): Ditto.
689         (Script_sections::output_section_name): Add new parameter
690         PSECTION_TYPE for returning script section type.  Pass it to
691         section elements.  Handle discard sections.
692         (Sort_output_sections::operator()): Handle NOLOAD sections.
693         * script-sections.h (Script_sections::Section_type): New enum type.
694         (Script_sections::output_section_name): Add a new parameter for
695         returning script section type.
696         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
697         INFO and NOLOAD.
698         * yyscript.y (union): Add new field SECTION_TYPE.
699         (COPY, DSECT, INFO, NOLOAD): New tokens.
700         (opt_address_and_section_type): Change type to output_section_header.
701         (section_type): New non-terminal
702         (section_header): Handle section type.
703         (opt_address_and_section_type): Return section type value.
704
705 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
706
707         * testsuite/plugin_common_test_1.c (foo): Add prototype.
708         * testsuite/plugin_common_test_2.c (foo): Likewise.
709
710 2010-04-08  Doug Kwan  <dougkwan@google.com>
711
712         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
713         Output_merge_data.
714         * output.cc (Output_section::add_merge_input_section): Simplify
715         code and return status of Output_merge_base::add_input_section.
716         Update merge section map only if Output_merge_base::add_input_section
717         returns true.
718
719 2010-04-07  Doug Kwan  <dougkwan@google.com>
720
721         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
722         if section is marked as containing instructions but has no mapping
723         symbols.
724         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
725         correct section index.
726         (Arm_relobj::find_linked_text_section): Ditto.
727
728 2010-04-07  Cary Coutant  <ccoutant@google.com>
729
730         * archive.cc (include_member): Destroy Read_symbols_data object before
731         releasing file.
732         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
733         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
734         (Read_symbols_data::~Read_symbols_data) New destructor.
735         (Section_relocs::Section_relocs) New constructor.
736         (Section_relocs::~Section_relocs) New destructor.
737         (Read_relocs_data::Read_relocs_data) New constructor.
738         (Read_relocs_data::~Read_relocs_data) New destructor.
739         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
740         pointers to NULL after deleting.
741
742 2010-04-07  Doug Kwan  <dougkwan@google.com>
743
744         * arm.cc: Replace "endianity" with "endianness" in comments.
745         (Arm_exidx_cantunwind): Ditto.
746         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
747         (Arm_relobj::merge_flags_and_attributes): New method.
748         (Arm_relobj::merge_flags_and_attributes_): New data member.
749         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
750         (Arm_relobj::scan_sections_for_stubs): Ditto.
751         (Arm_relobj::do_read_symbols): Check to see if we really want to
752         merge processor-specific flags and attributes.  Exit early if
753         an object is empty except for section names and the undefined symbol.
754         (Target_arm::do_finalize_sections): Move check for ELF format to
755         Arm_relobj::do_read_symbols.  Merge processor specific flags and
756         attributes from a regular object only when we have determined that
757         it is aapropriate.  Do not create an .ARM.attributes section in
758         output if there is no regular input object.
759         (Target_arm::merge_processor_specific_flags): Check
760         --warn-mismatch before printing any error.
761         (Target_arm::merge_object_attributes): Ditto.
762         * gold.cc (queue_middle_tasks): Handle the case in which there is
763         no regular object in input.
764         * options.cc (General_options::parse_EB): New method.
765         (General_options::parse_EL): Same.
766         (General_options::General_options): Initialize endianness_.
767         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
768         New options.
769         (General_options::Endianness): New enum.
770         (General_options::endianness): New method.
771         (General_options::endianness_): New data member.
772         * parameters.cc (Parameters::set_options): Check target endianness.
773         (Parameters::set_target_once): Ditto.
774         (Parameters::check_target_endianness): New method.
775         (parameters_force_valid_target): If either -EL or -EB is specified,
776         use it to define endianness of default target.
777         * parameters.h (Parameters::check_target_endianness): New method
778         declaration.
779         * target.h (class Target): Change "endianity" to "endianness"
780         in comments.
781
782 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
783
784         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
785         * configure: Regenerate.
786         * Makefile.in: Regenerate.
787         * testsuite/Makefile.in: Regenerate.
788
789 2010-04-06  Cary Coutant  <ccoutant@google.com>
790
791         gcc PR lto/42757
792         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
793         prevailing definitions of common symbols.
794         * testsuite/plugin_test_6.sh: New test case.
795         * testsuite/plugin_common_test_1.c: New test case.
796         * testsuite/plugin_common_test_2.c: New test case.
797         * testsuite/Makefile.am (plugin_test_6): New test case.
798         * testsuite/Makefile.in: Regenerate.
799
800 2010-04-06  Nick Clifton  <nickc@redhat.com>
801
802         * po/vi.po: New Vietnamese translation.
803
804 2010-03-30  Doug Kwan  <dougkwan@google.com>
805
806         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
807
808 2010-03-25  Doug Kwan  <dougkwan@google.com>
809
810         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
811         to avoid a conversion warning on a 32-bit host.
812
813 2010-03-24  Ian Lance Taylor  <iant@google.com>
814
815         * testsuite/script_test_3.t: Add a TLS segment.
816         * testsuite/Makefile.am (check_PROGRAMS): Add
817         tls_phdrs_script_test.
818         (tls_phdrs_script_test_SOURCES): Define.
819         (tls_phdrs_script_test_DEPENDENCIES): Define.
820         (tls_phdrs_script_test_LDFLAGS): Define.
821         (tls_phdrs_script_test_LDADD): Define.
822         * testsuite/Makefile.in: Rebuild.
823
824 2010-03-23  Cary Coutant  <ccoutant@google.com>
825
826         * fileread.cc (find_or_make_view): Fix comment.
827
828 2010-03-23  Ian Lance Taylor  <iant@google.com>
829
830         * script-sections.cc (class Orphan_section_placement): Define
831         PLACE_TLS and PLACE_TLS_BSS.
832         (Orphan_section_placement::Orphan_section_placement): Initialize
833         new places.
834         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
835         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
836         (tls_script_test_SOURCES): Define.
837         (tls_script_test_DEPENDENCIES): Define.
838         (tls_script_test_LDFLAGS): Define.
839         (tls_script_test_LDADD): Define.
840         * testsuite/Makefile.in: Rebuild.
841
842 2010-03-22  Doug Kwan  <dougkwan@google.com>
843
844         * arm.cc (Arm_relocate_functions::abs8,
845         Arm_relocate_functions::abs16): Use correct check for overflow
846         specified in the ARM ELF specs.
847         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
848         target of a BLX instruction specially.
849         (Reloc_stub::stub_type_for_reloc): Ditto.
850         (Relocate::relocate): Use symbolic names instead of numeric relocation
851         codes to report error.
852         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
853         workaround.
854         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
855         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
856         thumb2_blx_out_of_range.stdout
857         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
858         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
859         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
860         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
861         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
862         thumb2_blx_in_range, thumb2_blx_in_range.o,
863         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
864         thumb2_blx_out_of_range.o): New rules.
865         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
866         thumb2_blx_in_range and thumb2_blx_out_of_range.
867         * testsuite/Makefile.in: Regenerate.
868         * arm_branch_in_range.sh: Add tests for THUMB BLX.
869         * testsuite/thumb_blx_in_range.s: New file.
870         * testsuite/thumb_blx_out_of_range.s: New file.
871
872 2010-03-22  Rafael Espindola  <espindola@google.com>
873
874         * archive.cc (Should_include): Move to archive.h.
875         (should_include_member): Make it a member of Archive.
876         (Lib_group): New.
877         (Add_lib_group_symbols): New.
878         * archive.h: Include options.h.
879         (Archive_member): Moved from Archive.
880         (Should_include): Moved from archive.cc.
881         (Lib_group): New.
882         (Add_lib_group_symbols): New.
883         * dynobj.cc (do_should_include_member): New.
884         * dynobj.h (do_should_include_member): New.
885         * gold.cc (queue_initial_tasks): Update call to queue.
886         * main.cc (main): Print lib group stats.
887         * object.cc (do_should_include_member): New.
888         * object.h: Include archive.h.
889         (Object::should_include_member): New.
890         (Object::do_should_include_member): New.
891         (Sized_relobj::do_should_include_member): New.
892         * options.cc (General_options::parse_start_lib): New.
893         (General_options::parse_end_lib): New.
894         (Input_arguments::add_file): Handle lib groups.
895         (Input_arguments::start_group): Check we are not in a lib.
896         (Input_arguments::start_lib): New.
897         (Input_arguments::end_lib): New.
898         * options.h (General_options): Add start_lib and end_lib.
899         (Input_argument::lib_): New.
900         (Input_argument::lib): New.
901         (Input_argument::is_lib): New.
902         (Input_file_lib): New.
903         (Input_arguments::in_lib_): New.
904         (Input_arguments::in_lib): New.
905         (Input_arguments::start_lib): New.
906         (Input_arguments::end_lib_): New.
907         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
908         in unused members as preempted.
909         (Sized_pluginobj::do_should_include_member): New.
910         * plugin.h (Sized_pluginobj::do_should_include_member): New.
911         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
912         return the blocker.
913         (Read_symbols::do_whole_lib_group): New.
914         (Read_symbols::do_lib_group): New.
915         (Read_symbols::do_read_symbols): Handle lib groups.
916         (Read_symbols::get_name): Handle lib groups.
917         * readsyms.h (Read_symbols): Add an archive member pointer.
918         (Read_symbols::do_whole_lib_group): New.
919         (Read_symbols::do_lib_group): New.
920         (Read_symbols::member_): New.
921         * script.cc (read_input_script): Update call to queue_soon.
922
923 2010-03-19  Doug Kwan  <dougkwan@google.com>
924
925         * arm.cc (Stub_table::Stub_table): Initialize new data members
926         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
927         (Stub_table::add_reloc_stub): Assign stub offset and update
928         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
929         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
930         New data members.
931         (Stub_table::update_data_size_and_addralign): Use
932         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
933         instead of going over all reloc stubs.
934         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
935         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
936         Stringpool_template::offset_ to size of Stringpool_char.
937         (Stringpool_template::new_key_offset): Remove code to initialize
938         Stringpool_template::offset_.
939         * stringpool.h (Stringpool_template::set_no_zero_null): Set
940         Stringpool_template::offset_ to zero.
941
942 2010-03-15  Doug Kwan  <dougkwan@google.com>
943
944         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
945         offset_.
946         (Stringpool_template::new_key_offset): New method.
947         (Stringpool_template::add_string): Assign offsets when adding new
948         strings.
949         (Stringpool_template::set_string_offsets): Do not set string offsets
950         when not optimizing.
951         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
952         member size_.
953         (Chunked_vector::clear): Clear size_.
954         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
955         (Chunked_vector::size): Return size_.
956         (Chunked_vector::push_back): Use size_ to find insert position.
957         (Chunked_vector::size_): New data member.
958         (Stringpool_template::set_no_zero_null): Assert string set is empty.
959         (Stringpool_template::new_key_offset): New method declaration.
960         (Stringpool_template::offset_): New data member.
961
962 2010-03-15   Rafael Espindola  <espindola@google.com>
963
964         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
965         Add_symbols' constructor.
966         * readsyms.h (Add_symbols): Remove the input_group member.
967
968 2010-03-10  Ian Lance Taylor  <iant@google.com>
969
970         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
971         target to ask whether a reference to a symbol requires a stack
972         split.
973         * target.h (Target::is_call_to_non_split): New function.
974         (Target::do_is_call_to_non_split): Declare virtual function.
975         * target.cc: Include "symtab.h".
976         (Target::do_is_call_to_non_split): New function.
977         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
978
979 2010-03-10  Cary Coutant  <ccoutant@google.com>
980
981         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
982         (File_read::open[1]): Remove initial mapping of whole_file_view_.
983         (File_read::open[2]): Add whole_file_view_ to list of views.
984         (File_read::make_view): Remove test of whole_file_view_.
985         (File_read::find_or_make_view): Create whole_file_view_ if
986         necessary.
987         (File_read::clear_views): Replace bool parameter with enum;
988         adjust all callers.  Don't delete views with permanent data;
989         do delete cached views and views from archives if
990         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
991         if clearing the corresponding view.
992         * fileread.h (File_read::Clear_views_mode): New enum.
993         (File_read::View::is_permanent_view): New method.
994         (File_read::clear_views): Replace bool parameter
995         with enum; adjust all callers.
996         * options.h (General_options): Change keep_files_mapped option;
997         add map_whole_files.
998         * readsyms.cc (Add_symbols::run): Delete sd_ object before
999         releasing the file.
1000         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1001         the file.
1002
1003 2010-03-10  David S. Miller  <davem@davemloft.net>
1004
1005         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1006
1007 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
1008
1009         * icf.cc (get_section_contents): Add '@' marker after processing the
1010         merge reloc.
1011
1012 2010-03-08  Doug Kwan  <dougkwan@google.com>
1013
1014         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1015         due to a conversion warning.
1016         (Arm_relobj::update_output_local_symbol_count): Check for local
1017         symbol with unset output index.
1018
1019 2010-03-05  Ian Lance Taylor  <iant@google.com>
1020
1021         * options.h (class General_options): Add --spare-dynamic-tags.
1022         * output.cc (Output_data_dynamic::set_final_data_size): Implement
1023         --spare-dynamic-tags.
1024
1025 2010-03-05  Ian Lance Taylor  <iant@google.com>
1026
1027         * incremental.cc: Include "libiberty.h".
1028
1029 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1030
1031         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
1032         function, is_info_ member.
1033         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
1034         (Versions::Versions): Update caller.
1035         (Versions::define_base_version): Likewise.
1036         (Versions::add_def): Likewise.
1037
1038 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
1039
1040         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
1041         (Scan::possible_function_pointer_reloc): New function.
1042         (Scan::local_reloc_may_be_function_pointer): Change to call
1043         possible_function_pointer_reloc.
1044         (Scan::global_reloc_may_be_function_pointer): Ditto.
1045         * icf.h (Icf::check_section_for_function_pointers): Change to reject
1046         relocations in ".data.rel.ro._ZTV" section.
1047         * testsuite/icf_safe_so_test.sh: Change to pass i386.
1048         * testsuite/icf_safe_so_test.cc: Ditto.
1049         * testsuite/icf_safe_test.cc: Ditto.
1050         * testsuite/icf_safe_test.sh: Ditto.
1051
1052 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1053             Ian Lance Taylor  <iant@google.com>
1054
1055         * target-reloc.h (relocate_section): Check the symbol table index
1056         for -1U before setting the local symbol index.
1057         (scan_relocatable_relocs): If copying the relocation, record that
1058         the local symbol is required.
1059         * object.h (Symbol_value::is_output_symtab_index_set): New
1060         function.
1061         (Symbol_value::may_be_discarded_from_output_symtab): New
1062         function.
1063         (Symbol_value::has_output_symtab_entry): New function.
1064         (Symbol_value::needs_output_symtab_entry): Remove.
1065         (Symbol_value::output_symtab_index): Make sure the symbol index is
1066         set.
1067         (Symbol_value::set_output_symtab_index): Make sure the symbol
1068         index is not set.  Make sure the new index is valid.
1069         (Symbol_value::set_must_have_output_symtab_entry): New function.
1070         (Symbol_value::has_output_dynsym_entry): New function.
1071         (Symbol_value::set_output_dynsym_index): Make sure the new index
1072         is valid.
1073         (Sized_relobj::set_must_have_output_symtab_entry): New function.
1074         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
1075         local symbol if permitted.
1076         (Sized_relobj::do_finalize_local_symbols): Call
1077         is_output_symtab_index_set rather than needs_output_symtab_entry.
1078         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
1079         rather than needs_output_symtab_entry.  Call
1080         has_output_dynsym_entry rather than needs_output_dynsym_entry.
1081         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
1082         is_output_symtab_index_set rather than needs_output_symtab_entry.
1083         * testsuite/discard_locals_relocatable_test.c: New file.
1084         * testsuite/discard_locals_test.sh: Test -r.
1085         * testsuite/Makefile.am (check_DATA): Add
1086         discard_locals_relocatable_test1.syms,
1087         discard_local_relocatable_test2.syms.
1088         (MOSTLYCLEANFILES): Likewise.  Also add
1089         discard_locals_relocatable_test1.lout and
1090         discard_locals_relocatable_test2.out.
1091         (discard_locals_relocatable_test1.syms): New target.
1092         (discard_locals_relocatable_test.o): New target.
1093         (discard_locals_relocatable_test1.out): New target.
1094         (discard_locals_relocatable_test2.syms): New target.
1095         (discard_locals_relocatable_test2.out): New target.
1096         (various): Add missing ../ld-new dependencies.
1097         * testsuite/Makefile.in: Rebuild.
1098
1099 2010-03-03  Nick Clifton  <nickc@redhat.com>
1100
1101         * po/fi.po: New Finnish translation.
1102
1103 2010-03-01  Doug Kwan  <dougkwan@google.com>
1104
1105         * layout.cc (Layout::Layout): Force section types of .init_array*,
1106         .preinit_array* and .fini_array* sections.
1107         * output.cc (Output_section::Input_section_sort_entry::has_priority):
1108         Fix check of return value of std::string::find.().
1109         (Output_section::Input_section_sort_compare::operator()): Remove
1110         comment about .init_array.
1111         (Output_section::Input_section_sort_init_fini_compare::operator()):
1112         New method.
1113         (Output_section::sort_attached_input_sections): Handle .init_array
1114         and .fini_array specially.
1115         * output.h (Output_section::Inut_section_sort_compare): Update
1116         comment.
1117         (Output_section::Input_section_sort_init_fini_compare): New struct.
1118
1119 2010-02-26  Doug Kwan  <dougkwan@google.com>
1120
1121         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
1122         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
1123         * testsuite/debug_msg.sh: Avoid matching source line number for
1124         use of global variable undef_int.
1125
1126 2010-02-26  Doug Kwan  <dougkwan@google.com>
1127
1128         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
1129         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
1130         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
1131         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
1132         * options.cc (General_options::General_options): Initialize member
1133         fix_v4bx_.
1134         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
1135         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
1136         and rm_no_fix_v4bx.stdout
1137         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
1138         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1139         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1140         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1141         and arm_no_fix_v4bx.
1142         * Makefile.in: Regenerate.
1143         * testsuite/arm_fix_v4bx.s: New file.
1144         * testsuite/arm_fix_v4bx.sh: Ditto.
1145
1146 2010-02-24  Doug Kwan  <dougkwan@google.com>
1147
1148         * arm.cc (Target_arm::got_section): Make the .got section the first
1149         non RELRO section in the data segment.
1150         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1151         suffixes of section names.
1152
1153 2010-02-24  Doug Kwan  <dougkwan@google.com>
1154
1155         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1156         flags and attributes merging if an input file is a binary file.
1157         * fileread.cc (Input_file::open): Record format of original file.
1158         * fileread.h (Input_file::Format): New enum type.
1159         (Input_file::Input_file): Initialize data member format_.
1160         (Input_file::format): New method definition.
1161         (Input_file::format_):: New data member.
1162
1163 2010-02-24  Doug Kwan  <dougkwan@google.com>
1164
1165         * arm.cc (Arm_output_data_got): New class.
1166         (ARM_TCB_SIZE): New constant
1167         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1168         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1169         If user uses a script with a SECTIONS clause, issue only a warning
1170         for a misplaced EXIDX input section.  Otherwise, issue an error.
1171         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1172         garbage collection.
1173         (Target_arm::got_mode_index_entry): Handle static linking.
1174         (Target_arm::Scan::local): Ditto.
1175         (Target_arm::Scan::global): Ditto.
1176         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
1177         all incorrectly implemented relocations.
1178         (Target_arm::fix_exidx_coverage): Pass layout to
1179         Arm_output_section::fix_exidx_coverage.
1180         * layout.cc (Layout::section_name_mapping): Remove trailing dots
1181         from ".ARM.exidx." and ".ARM.extab.".
1182
1183 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1184
1185         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1186         section if it does not already exist.
1187         * attributes.cc (Attributes_section_data::Attributes_section_data):
1188         Don't crash if size is zero.
1189
1190 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1191             Ian Lance Taylor  <iant@google.com>
1192
1193         * gold.cc (queue_middle_tasks): If no input files were opened,
1194         exit.
1195         * workqueue.h (Task_function::Task_function): Assert that there is
1196         a blocker.
1197
1198 2010-02-22  Doug Kwan  <dougkwan@google.com>
1199
1200         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1201         * icf.cc (get_section_contents): Cast snprintf arguments to long long
1202         types to avoid warnings due to different uint64_t implementations
1203         on different hosts.
1204
1205 2010-02-21  Doug Kwan  <dougkwan@google.com>
1206
1207         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1208         handling of the maximum backward branch offset.
1209         (Arm_relocate_functions::thumb_branch_common): Ditto.
1210         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1211         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1212         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1213         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1214         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1215         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1216         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1217         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1218         thumb_bl_out_of_range thumb_bl_out_of_range.o,
1219         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1220         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1221         thumb2_bl_out_of_range.o): New rules.
1222         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1223         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1224         thumb2_bl_out_of_range
1225         * testsuite/Makefile.in: Regenerate.
1226         * testsuite/arm_bl_in_range.s: New file.
1227         * testsuite/arm_bl_out_of_range.s: Ditto.
1228         * testsuite/arm_branch_in_range.sh: Ditto.
1229         * testsuite/arm_branch_range.t: Ditto.
1230         * testsuite/thumb2_branch_range.t: Ditto.
1231         * testsuite/thumb_bl_in_range.s: Ditto.
1232         * testsuite/thumb_bl_out_of_range.s: Ditto.
1233         * testsuite/thumb_branch_range.t: Ditto.
1234
1235 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1236
1237         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1238         Add reloc offset information.
1239         * icf.cc (get_section_contents): Change iterators to point to the new
1240         vectors. Add reloc offset information to the contents.
1241         * icf.h (Icf::Sections_reachable_info): New typedef.
1242         (Icf::Sections_reachable_list): New typedef.
1243         (Icf::Offset_info): New typedef.
1244         (Icf::Reloc_info): New struct typedef.
1245         (Icf::Reloc_info_list): New typedef.
1246         (Icf::symbol_reloc_list): Delete method.
1247         (Icf::addend_reloc_list): Delete method.
1248         (Icf::section_reloc_list): Delete method.
1249         (Icf::reloc_info_list): New method.
1250         (Icf::reloc_info_list_): New member.
1251
1252 2010-02-19  Doug Kwan  <dougkwan@google.com>
1253
1254         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1255         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1256         * arm.cc (Arm_relocation_functions): New forward declaration.
1257         (Target_arm::Target_arm): Initialize new data members
1258         got_mod_index_offset_ and tls_base_symbol_defined_.
1259         (Target_arm::Relocate::relocate_tls): New method.
1260         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1261          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1262         New methods.
1263         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1264         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1265         (Target_arm::got_mod_index_offset_,
1266         Target_arm::tls_base_symbol_defined_): New data members.
1267         (Target_arm::Scan::local, Target::Scan::global,
1268         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1269         relocations.
1270
1271 2010-02-18  Doug Kwan  <dougkwan@google.com>
1272
1273         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1274         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1275         text section as a parameter becuase some broken tools may not set
1276         the link in section header.
1277         (Target_arm::has_got_section): New method.
1278         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1279         without any mapping symbol as data only.  Remove warning.
1280         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1281         link in its section header, try to discover the link by inspecting the
1282         REL31 relocation at the beginning of the section.
1283         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1284         in error message.
1285         (Target_arm::Scan::global): Treat any reference to the symbol
1286         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1287
1288 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1289
1290         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1291         (Scan::global_reloc_may_be_function_pointer): New function.
1292         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1293         (Scan::global_reloc_may_be_function_pointer): New function.
1294         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1295         (Scan::global_reloc_may_be_function_pointer): New function.
1296         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1297         (Scan::global_reloc_may_be_function_pointer): New function.
1298         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1299         (Scan::global_reloc_may_be_function_pointer): New function.
1300         (Scan::possible_function_pointer_reloc): New function.
1301         (Target_x86_64::can_check_for_function_pointers): New function.
1302         * gc.h (gc_process_relocs): Scan relocation types to determine if
1303         function pointers were taken for targets that support it.
1304         * icf.cc (Icf::find_identical_sections): Include functions for
1305         folding in safe ICF whose pointer is not taken.
1306         * icf.h (Secn_fptr_taken_set): New typedef.
1307         (fptr_section_id_): New member.
1308         (section_has_function_pointers): New function.
1309         (set_section_has_function_pointers): New function.
1310         (check_section_for_function_pointers): New function.
1311         * options.h: Fix comment for safe ICF option.
1312         * target.h (can_check_for_function_pointers): New function.
1313         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1314         Modify icf_safe_test for X86-64.
1315         * testsuite/Makefile.in: Regenerate.
1316         * testsuite/icf_safe_so_test.cc: New file.
1317         * testsuite/icf_safe_so_test.sh: New file.
1318         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1319         (main): Change to take pointer to function kept_func_3.
1320         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1321         folding is done correctly for X86-64.
1322
1323 2010-02-12  David S. Miller  <davem@davemloft.net>
1324
1325         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1326         is_symbolless parameter.
1327         (Output_reloc<SHT_REL>::is_symbolless): New.
1328         (Output_reloc<SHT_REL>::is_symbolless_): New.
1329         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1330         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1331         (Output_reloc<SHT_RELA>::is_symbolless): New.
1332         (Output_data_reloc::add_global): Handle is_symbolless.
1333         (Output_data_reloc::add_global_relative): Likewise.
1334         (Output_data_reloc::add_local): Likewise.
1335         (Output_data_reloc::add_local_relative): Likewise.
1336         (Output_data_reloc::add_symbolless_global_addend): New.
1337         (Output_data_reloc::add_symbolless_local_addend): New.
1338         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1339         is_symbolless.
1340         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1341         instead of ->is_relative_
1342         (Output_reloc::write): Likewise.
1343         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1344         (Output_reloc::write_rel): Simplify.
1345
1346         * sparc.cc (Target_sparc::Scan::local): Use
1347         ->add_symbolless_local_addend as needed.
1348         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1349         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1350         based upon relocation offset.
1351
1352 2010-02-11  Doug Kwan  <dougkwan@google.com>
1353
1354         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1355         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1356         beginning of function.
1357         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1358         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1359         parameter is_32bit in calls to should_apply_static_reloc.
1360         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1361         (check_DATA): Add arm_abs_global.stdout.
1362         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1363         arm_abs_global.stdout): New rules.
1364         (MOSTLLYCLEANFILES): Add arm_abs_global
1365         * Makefile.in: Regenerate.
1366         * testsuite/arm_abs_global.s: New file.
1367         * testsuite/arm_abs_global.sh: Ditto.
1368         * testsuite/arm_abs_lib.s: Ditto.
1369
1370 2010-02-11  Ian Lance Taylor  <iant@google.com>
1371
1372         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1373         Read_relocs task.
1374         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1375         Allocate_commons_task first.
1376         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1377         task, rather than symtab_lock_.
1378         (Gc_process_relocs::~Gc_process_relocs): New function.
1379         (Gc_process_relocs::is_runnable): Check this_blocker_.
1380         (Gc_process_relocs::locks): Use next_blocker_ rather than
1381         blocker_.
1382         (Scan_relocs::~Scan_relocs): New function.
1383         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1384         symtab_lock_.
1385         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1386         next_blocker_.
1387         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1388         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1389         constructor accordingly.
1390         (class Gc_process_relocs): Likewise.
1391         (class Scan_relocs): Likewise.
1392         * common.h (class Allocate_commons_task): Remove symtab_lock_
1393         field, and corresponding constructor parameter.
1394         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1395         symtab_lock_.
1396         (Allocate_commons_task::locks): Likewise.
1397
1398 2010-02-11  Ian Lance Taylor  <iant@google.com>
1399
1400         * gold-threads.h (class Once): Define.
1401         (class Initialize_lock): Rewrite as child of Once.
1402         * gold-threads.cc (class Once_initialize): Define.
1403         (once_pointer_control): New static variable.
1404         (once_pointer, once_arg): New static variables.
1405         (c_run_once): New static function.
1406         (Once::Once, Once::run_once, Once::internal_run): New functions.
1407         (class Initialize_lock_once): Remove.
1408         (initialize_lock_control): Remove.
1409         (initialize_lock_pointer): Remove.
1410         (initialize_lock_once): Remove.
1411         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1412         (Initialize_lock::initialize): Rewrite.
1413         (Initialize_lock::do_run_once): New function.
1414         * archive.cc (Archive::interpret_header): Only clear name if it is
1415         not already empty.
1416         * fileread.cc: Include "gold-threads.h"
1417         (file_counts_lock): New static variable.
1418         (file_counts_initialize_lock): Likewise.
1419         (File_read::release): Only increment counts when using --stats.
1420         Use a lock around the increment.
1421         * parameters.cc (class Set_parameters_target_once): Define.
1422         (set_parameters_target_once): New static variable.
1423         (Parameters::Parameters): Move here from parameters.h.
1424         (Parameters::set_target): Rewrite.
1425         (Parameters::set_target_once): New function.
1426         (Parameters::clear_target): Move here and rewrite.
1427         * parameters.h (class Parameters): Update declarations.  Add
1428         set_parameters_target_once_ field.
1429         (Parameters::Parameters): Move to parameters.cc.
1430         (Parameters::clear_target): Likewise.
1431         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1432         task.
1433         (Start_group::~Start_group): New function.
1434         (Start_group::is_runnable): New function.
1435         (Start_group::locks, Start_group::run): New functions.
1436         (Finish_group::run): Change saw_undefined to size_t.
1437         * readsyms.h (class Start_group): Define.
1438         (class Finish_group): Change saw_undefined_ field to size_t.
1439         (Finish_group::Finish_group): Remove saw_undefined and
1440         this_blocker parameters.  Change all callers.
1441         (Finish_group::set_saw_undefined): New function.
1442         (Finish_group::set_blocker): New function.
1443         * symtab.h (class Symbol_table): Change saw_undefined to return
1444         size_t.  Change saw_undefined_ field to size_t.
1445         * target-select.cc (Set_target_once::do_run_once): New function.
1446         (Target_selector::Target_selector): Initialize set_target_once_
1447         field.  Don't initialize lock_ and initialize_lock_ fields.
1448         (Target_selector::instantiate_target): Rewrite.
1449         (Target_selector::set_target): New function.
1450         * target-select.h (class Set_target_once): Define.
1451         (class Target_selector): Update declarations.  Make
1452         Set_target_once a friend.  Remove lock_ and initialize_lock_
1453         fields.  Add set_target_once_ field.
1454
1455 2010-02-10  Ian Lance Taylor  <iant@google.com>
1456
1457         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1458         queueing any tasks.
1459         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1460         (queue_middle_tasks): Add all blockers before queueing any tasks.
1461         (queue_final_tasks): Likewise.
1462         * token.h (Task_token::add_blockers): New function.
1463         * object.h (Input_objects::number_of_relobjs): New function.
1464
1465 2010-02-10  Ian Lance Taylor  <iant@google.com>
1466
1467         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1468         shared, not if not position independent.
1469         * x86_64.cc (Relocate::relocate_tls): Likewise.
1470         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1471         (tls_pie_pic_test): New target.
1472         * testsuite/Makefile.in: Rebuild.
1473
1474         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1475         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1476         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1477         * testsuite/Makefile.in: Rebuild.
1478
1479 2010-02-09  David S. Miller  <davem@davemloft.net>
1480
1481         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1482         R_SPARC_RELATIVE using ->add_local_relative().
1483         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1484
1485         * output.h (Output_data_dynamic::add_section_size): New method
1486         that takes two Output_data objects.
1487         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1488         entry param.  Handle it in initializers.
1489         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1490         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1491         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1492         arg.
1493         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1494         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1495         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1496         for dynrel_includes_plt.
1497         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1498         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1499         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1500         before .rela.plt
1501         (Target_sparc::do_finalize_sections): Update to pass true for
1502         dynrel_includes_plt.
1503         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1504         output before .rela.plt
1505         (Target_powerpc::do_finalize_sections): Update to pass true for
1506         dynrel_includes_plt when 32-bit.
1507
1508 2010-02-08  Doug Kwan  <dougkwan@google.com>
1509
1510         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1511         method.
1512         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1513         Arm_relobj::scan_section_for_cortex_a8_stubs,
1514         Arm_relobj::do_relocation_section): Instead of calling
1515         Output_section::output_address, use faster
1516         Arm_relobj::simple_input_section_output_address.
1517
1518 2010-02-08  David S. Miller  <davem@davemloft.net>
1519
1520         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1521         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1522         relocation helper function.
1523
1524         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1525         just like R_SPARC_GOT{10,13,22}.
1526         (Target_sparc::Scan::local): Likewise.
1527         (Target_sparc::Relocate:relocate): Likewise.
1528
1529 2010-02-06  Ian Lance Taylor  <iant@google.com>
1530
1531         * configure.ac: Rewrite targetobjs duplicate removal code to use
1532         only shell constructs.
1533         * configure: Rebuild.
1534
1535 2010-02-05  Doug Kwan  <dougkwan@google.com>
1536
1537         PR 11247
1538         * arm.cc (Arm_relobj::section_is_scannable): New method.
1539         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1540         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1541
1542 2010-02-04  Doug Kwan  <dougkwan@google.com>
1543
1544         PR 11247
1545         * arm-reloc-property.cc (cstdio): Include.
1546         * configure.ac (targetobjs): Remove duplicates.
1547         * configure: Regenerate.
1548         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1549         big and little endian version for a given address size.
1550
1551 2010-02-03  Doug Kwan  <dougkwan@google.com>
1552
1553         * arm-reloc-property.cc
1554         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1555         definition.
1556         * arm-reloc-property.h
1557         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1558         New method definition.
1559         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1560         declaration.
1561         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1562         overflow to N.
1563         (GOT_PREL): Change implemented to Y.
1564         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1565         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1566         (Arm_relocate_functions::movw_abs_nc): Remove method.
1567         (Arm_relocate_functions::movt_abs): Ditto.
1568         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1569         (Arm_relocate_functions::thm_movt_abs): Ditto.
1570         (Arm_relocate_functions::movw_rel_nc): Ditto.
1571         (Arm_relocate_functions::movw_rel): Ditto.
1572         (Arm_relocate_functions::movt_rel): Ditto.
1573         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1574         (Arm_relocate_functions:thm_movw_rel): Ditto.
1575         (Arm_relocate_functions:thm_movt_rel): Ditto.
1576         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1577         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1578         New method definitions.
1579         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1580         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1581         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1582         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1583         (Target_arm::Relocate::relocate): Check for non-static or
1584         unimplemented relocation code and exit early.  Change calls to
1585         Target_arm::reloc_uses_thumb_bit and
1586         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1587         instead.  Refactor code to handle similar relocations to increase
1588         code sharing.  Remove check for unsupported relocation code in switch
1589         statement.
1590         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1591         relocation property table to find out size.  Change error message to
1592         print out the name of a relocation code instead of the numeric value.
1593         (Target_arm::scan_reloc_for_stub): Use relocation property table
1594         instead of calling Target_arm::reloc_uses_thumb_bit().
1595
1596 2010-02-02  Doug Kwan  <dougkwan@google.com>
1597
1598         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1599         types of relaxed input section.
1600
1601 2010-02-02  Doug Kwan  <dougkwan@google.com>
1602
1603         * Makefile.am (HFILES): Add arm-reloc-property.h.
1604         (DEFFILES): New.
1605         (TARGETSOURCES): Add arm-reloc-property.cc
1606         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1607         (libgold_a_SOURCES): $(DEFFILES)
1608         * Makefile.in: Regenerate.
1609         * arm-reloc-property.cc: New file.
1610         * arm-reloc-property.h: New file.
1611         * arm-reloc.def: New file.
1612         * arm.cc: Update comments.
1613         (arm-reloc-property.h): New included header.
1614         (arm_reloc_property_table): New global variable.
1615         (Target_arm::do_select_as_default_target): New method definition.
1616         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1617         arm-reloc-property to targ_extra_obj.
1618         * parameters.cc (set_parameters_target): Call
1619         Target::select_as_default_target().
1620         * target.h (Target::select_as_default_target): New method definition.
1621         (Target::do_select_as_default_target): Same.
1622
1623 2010-02-01  Doug Kwan  <dougkwan@google.com>
1624
1625         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1626         first_output_text_section_.
1627         (Arm_exidx_fixup::first_output_text_section): New method definition.
1628         (Arm_exidx_fixup::first_output_text_section_): New data member.
1629         (Arm_exidx_fixup::process_exidx_section): Record the first text
1630         output section seen.
1631         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1632         and entsize in output section header.
1633
1634 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1635
1636         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1637         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1638         (Arm_relocate_functions::thm_alu11): New Method.
1639         (Arm_relocate_functions::thm_pc8): New Method.
1640         (Arm_relocate_functions::thm_pc12): New Method.
1641         (Target_arm::Scan::local): Handle the relocations.
1642         (Target_arm::Scan::global): Likewise.
1643         (Target_arm::Relocate::relocate): Likewise.
1644         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1645
1646 2010-01-29  Doug Kwan  <dougkwan@google.com>
1647
1648         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1649         of relocation types as ld.
1650
1651 2010-01-29  Doug Kwan  <dougkwan@google.com>
1652
1653         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1654         to public.
1655         (Arm_relocate_functions::thumb_branch_common): Ditto.
1656         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1657         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1658         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1659         Arm_relocate_functions::jump24): Remove.
1660         (Target_arm::Relocate::relocate): Adjust code to call
1661         Arm_relocation_functions::arm_branch_common and
1662         Arm_relocation_functions::thumb_branch_common instead of their removed
1663         wrappers.  Merge switch-cases together to reduce source code size.
1664
1665 2010-01-29  Doug Kwan  <dougkwan@google.com>
1666
1667         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1668         output_local_symbol_count_needs_update_.
1669         (Arm_relobj::output_local_symbol_count_needs_update,
1670          Arm_relobj::set_output_local_symbol_count_needs_update,
1671          Arm_relobj::update_output_local_symbol_count): New methods.
1672         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1673         member.
1674         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1675         of pointed function as in a R_ARM_PREL31 relocation.
1676         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1677         for output local symbol count updating.
1678         (Target_arm::do_relax): Update output local symbol counts in objects
1679         if necessary.
1680         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1681
1682 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1683
1684         * arm.cc: Added support for the ARM relocations:
1685         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1686         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1687         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1688         movw_prel_nc).
1689         (Arm_relocate_functions::movw_rel): New method.
1690         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1691         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1692         thm_movw_prel_nc).
1693         (Arm_relocate_functions::thm_movw_rel): New method.
1694         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1695         thm_movt_prel).
1696         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1697         relocations.
1698         (Target_arm::Scan::global): Likewise.
1699         (Target_arm::Relocate::relocate): Likewise.
1700         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1701         Likewise.
1702
1703 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1704
1705         * arm.cc: Added support for ARM group relocations.
1706         (Target_arm::reloc_needs_sym_origin): New method.
1707         (Arm_relocate_functions::calc_grp_kn): New method.
1708         (Arm_relocate_functions::calc_grp_residual): New method.
1709         (Arm_relocate_functions::calc_grp_gn): New method.
1710         (Arm_relocate_functions::arm_grp_alu): New Method.
1711         (Arm_relocate_functions::arm_grp_ldr): New Method.
1712         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1713         (Arm_relocate_functions::arm_grp_ldc): New Method.
1714         (Target_arm::Scan::local): Handle the ARM group relocations.
1715         (Target_arm::Scan::global): Likewise.
1716         (Target_arm::Relocate::relocate): Likewise.
1717         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1718         Likewise.
1719
1720 2010-01-26  Doug Kwan  <dougkwan@google.com>
1721
1722         * arm.cc (set): Include.
1723         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1724         pointer type.
1725         (Arm_output_section::Text_section_list): New type.
1726         (Arm_output_section::append_text_sections_to_list): New method.
1727         (Arm_output_section::fix_exidx_coverage): Ditto.
1728         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1729         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1730         Relobj::set_section_offset() instead of
1731         Sized_relobj::invalidate_section_offset().
1732         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1733         parameter for section headers. Ignore relocation sections for
1734         unallocated sections and EXIDX sections.
1735         (Target_arm::fix_exidx_coverage): New method.
1736         (Target_arm::output_section_address_less_than): New type.
1737         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1738         linked text section instead of the EXIDX section.
1739         (Arm_output_section::create_stub_group): Add an assertion to check
1740         that this is not an EXIDX output section.
1741         (Arm_output_section::append_text_sections_to_list): New method.
1742         (Arm_output_section::fix_exidx_coverage): Ditto.
1743         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1744         Arm_relobj::section_needs_reloc_stub_scanning.
1745         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1746         first pass.
1747         (Target_arm::fix_exidx_coverage): New method.
1748         * object.h (Relobj::set_output_section): New method.
1749         (Sized_relobj::invalidate_section_offset): Remove method.
1750         (Sized_relobj::do_invalidate_section_offset): Remove method.
1751         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1752
1753 2010-01-25  Doug Kwan  <dougkwan@google.com>
1754
1755         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1756         Fix warning due to signed and unsigned comparison on a 32-bit host.
1757
1758 2010-01-22  Doug Kwan  <dougkwan@google.com>
1759
1760         * arm.cc (Target_arm::do_relax): Record an output section for section
1761         offset adjustment it contains any stub table that has changed.
1762         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1763         offsets in an output section if necessary.
1764         * output.cc (Output_section::Output_section): Initialize
1765         section_offsets_need_adjustments_.
1766         (Output_section::add_input_section_for_script): Renamed to
1767         Output_section::add_simple_input_section.
1768         (Output_section::save_states): Add a comment.
1769         (Output_section::discard_states): New method defintion.
1770         (Output_section::adjust_section_offsets): Same.
1771         * output.h (Output_section::add_input_section_for_script): Renamed to
1772         Output_section::add_simple_input_section.
1773         (Output_section::discard_states): New method declaration.
1774         (Output_section::adjust_section_offsets): Same.
1775         (Output_section::section_offsets_need_adjustment,
1776         Output_section::set_section_offsets_need_adjustment): New method
1777         definitions.
1778         (Output_section::section_offsets_need_adjustment_): New data member.
1779         * script-sections.cc
1780         (Output_section_element_input::set_section_address): Adjust code for
1781         renaming of Output_section::add_input_section_for_script.
1782         (Orphan_output_section::set_section_address): Same.
1783
1784 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1785
1786         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1787         Fix_v4bx enum values .
1788         * gold/options.h (General_options): New option definitions.
1789         (General_options::fix_v4bx): New method.
1790         (General_options::Fix_v4bx): New enum.
1791         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1792         (General_options::parse_fix_v4bx_interworking): New method.
1793
1794 2010-01-22  Doug Kwan  <dougkwan@google.com>
1795
1796         * arm.cc (Arm_exidx_fixup): New class.
1797
1798 2010-01-21  Doug Kwan  <dougkwan@google.com>
1799
1800         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1801         classes.
1802         (Arm_exidx_section_offset_map): New type.
1803
1804 2010-01-21  Doug Kwan  <dougkwan@google.com>
1805
1806         * arm.cc (Arm_exidx_input_section): New class.
1807         (Arm_relobj::exidx_input_section_by_link,
1808         Arm_relobj::exidx_input_section_by_shndx,
1809         Arm_relobj::make_exidx_input_section): New methods.
1810         (read_arm_attributes_section): Remove.
1811         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1812         information about them.
1813         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1814         to here.
1815
1816 2010-01-20  Doug Kwan  <dougkwan@google.com>
1817
1818         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1819         Input_section_specifier to Section_id.
1820         (Target_arm::new_arm_input_section: Adjust code for change of key
1821         type.
1822         (Target_arm::find_arm_input_section): Ditto.
1823         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1824         (Section_id): Remove.
1825         (Garbage_collection::Section_id_hash): Remove.
1826         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1827         (Section_id): Remove.
1828         (Icf::Section_id_hash): Remove.
1829         * object.h (Section_id, Const_section_id, Section_id_hash,
1830         Const_section_id_hash): New type definitions.
1831         * output.cc (Output_section::add_relaxed_input_section): Change to
1832         use Const_section_id instead of Input_section_specifier as key type.
1833         (Output_section::add_merge_input_section): Ditto.
1834         (Output_section::build_relaxation_map): Change to use Section_id
1835         instead of Input_section_specifier as key type.
1836         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1837         Ditto.
1838         (Output_section::convert_input_sections_to_relaxed_sections): Change
1839         to use Const_section_id instead of Input_section_specifier as key type.
1840         (Output_section::find_merge_section): Ditto.
1841         (Output_section::find_relaxed_input_section): Ditto.
1842         * output.h (Input_section_specifier): Remove class.
1843         (Output_section::Output_section_data_by_input_section_map): Change
1844         key type to Const_section_id.
1845         (Output_section::Output_relaxed_input_section_by_input_section_map):
1846         Ditto.
1847         (Output_section::Relaxation_map): Change key type to Section_id.
1848
1849 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1850
1851         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1852         (class Arm_v4bx_stub): New class.
1853         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1854         (Stub_factory::make_arm_v4bx_stub): New method.
1855         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1856         (Stub_table::empty): Handle v4bx stubs.
1857         (Stub_table::add_arm_v4bx_stub): New method.
1858         (Stub_table::find_arm_v4bx_stub): New method.
1859         (Arm_relocate_functions::v4bx): New method.
1860         (Target_arm::fix_v4bx): New method.
1861         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1862         (Stub_table::relocate_stubs): Likewise.
1863         (Stub_table::do_write): Likewise.
1864         (Stub_table::update_data_size_and_addralign): Likewise.
1865         (Stub_table::finalize_stubs):  Likewise.
1866         (Target_arm::Scan::local): Likewise.
1867         (Target_arm::Scan::global): Likewise.
1868         (Target_arm::do_finalize_sections): Likewise.
1869         (Target_arm::Relocate::relocate): Likewise.
1870         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1871         Likewise.
1872         (Target_arm::scan_reloc_for_stub): Likewise.
1873         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1874
1875 2010-01-19  Ian Lance Taylor  <iant@google.com>
1876
1877         * output.cc (Output_section_headers::do_sized_write): Write large
1878         segment count to sh_info field.
1879         (Output_file_header::do_sized_write): For large segment count,
1880         write PN_XNUM to e_phnum field.
1881
1882 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1883
1884         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1885         (Arm_relocate_functions::thm_jump8): New function.
1886         (Arm_relocate_functions::thm_jump11): New function.
1887         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1888         R_ARM_THM_JUMP11.
1889         (Target_arm::Scan::global): Likewise.
1890         (Target_arm::Relocate::relocate): Likewise.
1891         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1892         Likewise.
1893
1894 2010-01-14  Doug Kwan  <dougkwan@google.com>
1895
1896         * arm.cc (map, utility): Include headers.
1897         (Target_arm::apply_cortex_a8_workaround): New method.
1898         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1899         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1900         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1901         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1902         the --[no-]fix-cortex-a8 command line options.
1903         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1904         (Target_arm::relocate_stub): Use addend in instruction template.
1905         * options.h (DEFINE_bool): Set the user-set flag.
1906         (General_options): Add --[no-]-fix-cortex options.
1907         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1908         : Update fast look-up map after conversion.
1909
1910 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1911
1912         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1913         in the first pass of do_layout.
1914
1915 2010-01-13  Doug Kwan  <dougkwan@google.com>
1916
1917         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1918         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1919         apparent compiler problem of not folding static constant integral
1920         data members of elfcpp::Elf_sizes<32>.
1921
1922 2010-01-13  Doug Kwan  <dougkwan@google.com>
1923
1924         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1925         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1926         Arm_relobj::scan_section_for_cortex_a8_erratum,
1927         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1928         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1929         sections to scan for relocation stubs into a new method
1930         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1931         relocation and Cortex-A8 stub scanning.
1932         (Target_arm::do_relax): Force stubs to be after stubbed sections
1933         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1934         the beginning of a new relaxation pass.  Update a comment.
1935         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1936
1937 2010-01-12  Ian Lance Taylor  <iant@google.com>
1938
1939         * target-reloc.h (visibility_error): New inline function.
1940         (relocate_section): Call visibility_error.
1941         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1942         (MOSTLYCLEANFILES): Likewise.
1943         (protected_4_pic.o, protected_3.err): New targets.
1944         * testsuite/protected_4.cc: New file.
1945
1946 2010-01-12  Doug Kwan  <dougkwan@google.com>
1947
1948         * arm.cc (Cortex_a8_reloc): New class.
1949         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1950         and cortex_a8_relocs_info_.
1951         (Target_arm::fix_cortex_a8): New method definition.
1952         (Target_arm::Cortex_a8_relocs_info): New type.
1953         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1954         New data member declarations.
1955         (Target_arm::scan_reloc_for_stub): Record information about
1956         relocations for THUMB branches that might be exempted from the
1957         Cortex-A8 workaround.
1958         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1959         at the beginning of a relaxation pass.
1960
1961 2010-01-12  Doug Kwan  <dougkwan@google.com>
1962
1963         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1964         (Arm_relobj::Mapping_symbol_position,
1965          Arm_reloj::Mapping_symbol_position_less,
1966          Arm_relobj::Mapping_symbols_info): New types.
1967         (Target_arm::is_mapping_symbol_name): New method definition.
1968         (Arm_relobj::do_count_local_symbols): Save information about mapping
1969         symbols.
1970
1971 2010-01-11  Doug Kwan  <dougkwan@google.com>
1972
1973         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1974         Arm_relocate_functions::thumb32_branch_upper,
1975         Arm_relocate_functions::thumb32_branch_lower,
1976         Arm_relocate_functions::thumb32_cond_branch_offset,
1977         Arm_relocate_functions::thumb32_cond_branch_upper,
1978         Arm_relocate_functions::thumb32_cond_branch_lower,
1979         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1980         branch offset encoding.
1981         (Arm_relocate_functions::thumb_branch_common): Use new branch
1982         offset encoding methods to avoid code duplication.
1983         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1984         (Stub_addend_reader::operator()): Use new branch encoding method
1985         to avoid code duplication.
1986
1987 2010-01-11  Doug Kwan  <dougkwan@google.com>
1988
1989         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1990         (Target_arm::do_finalize_sections): Define special EXIDX section
1991         symbols only if referenced.
1992         * gc.h (Garbage_collection::add_reference): New method.
1993         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1994         code duplication.
1995
1996 2010-01-11  Ian Lance Taylor  <iant@google.com>
1997
1998         * script.cc (Version_script_info::build_expression_list_lookup):
1999         Change complaing about duplicate wildcard match from error to
2000         warning.
2001
2002         * script.cc (class Lazy_demangler): Recreate--revert part of patch
2003         of 2009-12-30.
2004         (Version_script_info::Version_script_info): Initialize globs_,
2005         default_version_, default_is_global_, and exact_.  Don't
2006         initialize globals_ or locals_.
2007         (Version_script_info::build_lookup_tables): Build local symbols
2008         first.
2009         (Version_script_info::unquote): New function.
2010         (Version_script_info::add_exact_match): New function.
2011         (Version_script_info::build_expression_list_lookup): Remove lookup
2012         parameter.  Add is_global parameter.  Change all callers.  Handle
2013         wildcard pattern specially.  Unquote pattern.  Call
2014         add_exact_match.
2015         (Version_script_info::get_name_to_match): New function.
2016         (Version_script_info::get_symbol_version): New function.
2017         (Version_script_info::get_symbol_version_helper): Remove.
2018         (Version_script_info::check_unmatched_names): Call unquote.
2019         * script.h (class Version_script_info): Change get_symbol_version
2020         to be non-inline and add is_global parameter; change all callers.
2021         Rewrite symbol_is_local.  Update declarations.  Define struct
2022         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
2023         Remove globals_ and locals_ members.  Add exact_, globs_,
2024         default_version_, is_global_.
2025         (Version_script_info::Glob): Remove pattern, add expression and
2026         is_global.  Update constructor.  Change all callers.
2027         * dynobj.cc (Versions::finalize): Mark the version symbol as the
2028         default version.
2029         (Versions::symbol_section_contents): If a symbol is undefined, or
2030         defined in a dynamic object, set the version index to
2031         VER_NDX_LOCAL.
2032         * symtab.cc (Symbol_table::add_from_relobj): Don't call
2033         symbol_is_local.
2034         (Symbol_table::add_from_pluginobj): Likewise.
2035         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
2036
2037 2010-01-11  Doug Kwan  <dougkwan@google.com>
2038
2039         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
2040         (incremental_dump_LDADD): Add linking option for libintl.
2041         * Makefile.in: Regenerate.
2042
2043 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
2044
2045         PR gold/11144
2046         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
2047         instead of -Ds.
2048         * testsuite/Makefile.in: Regenerated.
2049
2050 2010-01-10  Doug Kwan  <dougkwan@google.com>
2051
2052         * options.h (DEFINE_var): Use parentheses around argument varname__
2053         in macro body to avoid any unintended subsequent substitutions.
2054
2055 2010-01-10  Ian Lance Taylor  <iant@google.com>
2056
2057         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
2058         candidates before doing symbol resolution.
2059
2060         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
2061         ODR candidates if only one is weak.
2062
2063 2010-01-08  Ian Lance Taylor  <iant@google.com>
2064
2065         * script.cc (Version_script_info::build_expression_list_lookup):
2066         Don't warn about ambiguous version, just record the ambiguity.
2067         (Version_script_info::get_symbol_version_helper): Give error if
2068         version is ambiguous.
2069
2070 2010-01-08  Doug Kwan  <dougkwan@google.com>
2071
2072         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
2073           prev_data_size_ and prev_addralign_.  Remove initializer for
2074           deleted data member has_been_changed_.
2075           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
2076           to determine if the table is empty.
2077           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
2078           Remove.
2079           (Stub_table::add_reloc_stub): Define method in class definition
2080           instead of just declaring it there.
2081           (Stub_table::add_cortex_a8_stub): New method definition.
2082           (Stub_table::update_data_size_and_addralign): Ditto.
2083           (Stub_table::finalize_stubs): Ditto.
2084           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
2085           (Stub_table::do_addralign_): Return address alignment in the
2086           (Stub_table::do_reset_address_and_file_offset): Define method in
2087           class definition instead of declaring it there.  Set current data
2088           size to be the data size of the previous pass.
2089           (Stub_table::set_final_data_size): Use current data size as the
2090           final data size.
2091           (Stub_table::relocate_stub): Change parameter type of stub from
2092           Reloc_stub pointer to Stub pointer.
2093           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
2094           (Stub_table::Cortex_a8_stub_list): New typedef.
2095           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
2096            Stub_table::prev_addralign_): New data member.
2097           (Arm_relobj::Arm_relobj): Initialize data member
2098           section_has_cortex_a8_workaround_.
2099           (Arm_relobj::section_has_cortex_a8_workaround,
2100            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
2101            definitions.
2102           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
2103           declarations.
2104           (Target_arm::relocate_stub): Change parameter type of stub from
2105           Reloc_stub pointer to Stub pointer.
2106           (Insn_template::size, Insn_template::alignment): Handle
2107           THUMB16_SPECIAL_TYPE.
2108           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
2109            Stub_table::update_data_size_and_addralign,
2110            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
2111           definitions.
2112           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
2113           (Stub_table::do_write): Ditto.
2114           (Target_arm::do_relax): Adjust code for changes in Stub_table.
2115
2116 2010-01-08  Ian Lance Taylor  <iant@google.com>
2117
2118         PR 11108
2119         * symtab.h (class Symbol): Remove fields is_target_special_ and
2120         has_plt_offset_.  Add field is_defined_in_discarded_section_.
2121         (Symbol::is_defined_in_discarded_section): New function.
2122         (Symbol::set_is_defined_in_discarded_section): New function.
2123         (Symbol::has_plt_offset): Rewrite.
2124         (Symbol::set_plt_offset): Verify that new offset is not -1U.
2125         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
2126         Don't initialize is_target_special_ or has_plt_offset_.
2127         Initialize is_defined_in_discarded_section_.
2128         (Symbol_table::add_from_relobj): If appropriate, set
2129         is_defined_in_discarded_section.
2130         * resolve.cc (Symbol::override_base_with_special): Don't test
2131         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
2132         * target-reloc.h (relocate_section): Do special handling for
2133         symbols defined in discarded sections for global symbols as well
2134         as local symbols.
2135
2136 2010-01-08  Ian Lance Taylor  <iant@google.com>
2137
2138         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2139         the SHT_SYMTAB case.
2140
2141 2010-01-08  Ian Lance Taylor  <iant@google.com>
2142
2143         * object.cc (Sized_relobj::do_layout): Don't get confused if
2144         layout_eh_frame returns NULL.
2145
2146 2010-01-08  Ian Lance Taylor  <iant@google.com>
2147
2148         PR 11084
2149         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2150         dynamic symbol table, use the normal symbol table.
2151         (Sized_dynobj::do_read_symbols): Remove assertion about type of
2152         symbol table.
2153
2154 2010-01-08  Ian Lance Taylor  <iant@google.com>
2155
2156         PR 11072
2157         * layout.cc (Layout::include_section): Remove .gnu_debuglink
2158         sections.
2159
2160 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
2161
2162         * version.cc (print_version): Change to "Copyright 2010".
2163
2164 2010-01-08  Ian Lance Taylor  <iant@google.com>
2165
2166         PR 10287
2167         PR 11063
2168         * i386.cc (class Target_i386): Change return type of plt_section
2169         to be non-const.
2170         (class Output_data_plt_i386): Add tls_desc_rel_ field.
2171         (Output_data_plt_i386::Output_data_plt_i386): Initialize
2172         tls_desc_rel_ field.
2173         (Output_data_plt_i386::rel_tls_desc): New function.
2174         (Target_i386::rel_tls_desc_section): New function.
2175         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2176         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2177         R_386_TLS_DESC reloc in rel_tls_desc_section.
2178         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2179         Define struct Tlsdesc_info.
2180         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2181         (Target_x86_64::do_reloc_symbol_index): New function.
2182         (Target_x86_64::add_tlsdesc_info): New function.
2183         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2184         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2185         tlsdesc_rel_ field.
2186         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
2187         all callers.
2188         (Output_data_plt_x86_64::rela_tlsdesc): New function.
2189         (Target_x86_64::rela_tlsdesc_section): New function.
2190         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2191         handling.
2192         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2193         (Target_x86_64::do_reloc_addend): New function.
2194         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2195         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2196         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
2197         (Output_reloc::type): New function.
2198         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2199         (Output_reloc::is_target_specific): New function.
2200         (Output_reloc::target_arg): New function.
2201         (class Output_reloc) [SHT_RELA]: Add four new constructors for
2202         absolute relocs and target specific relocs.
2203         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2204         add_target_specific.
2205         (class Output_data_reloc) [SHT_RELA]: Likewise.
2206         * output.cc (Output_reloc::Output_reloc): Add four new versions
2207         for absolute relocs and target specific relocs.
2208         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2209         (Output_reloc::get_symbol_index): Likewise.
2210         (Output_reloc::local_section_offset): Check that local_sym_index_
2211         is not TARGET_CODE or 0.
2212         (Output_reloc::symbol_value): Likewise.
2213         (Output_reloc::write) [SHT_RELA]: Call target for target specific
2214         reloc.
2215         * target.h (class Target): Add reloc_symbol_index and reloc_addend
2216         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
2217         functions.
2218         * layout.cc (add_target_dynamic_tags): Use output section for
2219         DT_PLTRELSZ and DT_JMPREL.
2220
2221 2010-01-07  Ian Lance Taylor  <iant@google.com>
2222
2223         PR 11061
2224         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2225         function.
2226         (class Output_data_reloc_generic): Define.
2227         (class Output_data_reloc_base): Change base class to
2228         Output_data_reloc_generic.  Change add() method to call
2229         bump_relative_reloc_count for a relative reloc.  Remove
2230         sort_relocs_ field.
2231         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2232         to sort_relocs().
2233         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2234         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2235         appropriate.
2236         * layout.h (class Layout): Update declaration.
2237
2238 2010-01-07  Ian Lance Taylor  <iant@google.com>
2239
2240         * output.h (class Output_data): Add const version of
2241         output_section and do_output_section.
2242         (class Output_section_data): Add const version of
2243         do_output_section.
2244         (class Output_section): Likewise.
2245         * layout.cc (Layout::add_target_dynamic_tags): New function.
2246         * layout.h (class Layout): Update declarations.
2247         * arm.cc (Target_arm::do_finalize_sections): Use
2248         add_target_dynamic_tags.
2249         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2250         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2251         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2252         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2253
2254 2010-01-07  Ian Lance Taylor  <iant@google.com>
2255
2256         PR 11042
2257         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2258         object as needed.
2259
2260 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2261             Ian Lance Taylor  <iant@google.com>
2262
2263         PR 11019
2264         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2265         Xindex::read_symtab_xindex.
2266
2267 2010-01-07  Doug Kwan  <dougkwan@google.com>
2268
2269         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2270         (Insn_template::thumb16_bcond_insn): New method declaration.
2271         (Insn_template): Fix spelling.
2272         (Stub::thumb16_special): New method declaration.
2273         (Stub::do_write): Define virtual method which was previously pure
2274         virtual.
2275         (Stub::do_thumb16_special): New method declaration.
2276         (Stub::do_fixed_endian_write): New template member.
2277         (Reloc_stub::do_write): Remove.
2278         (Reloc_stub::do_fixed_endian_write): Remove.
2279         (Cortex_a8_stub): New class definition.
2280         (Stub_factory::make_cortex_a8_stub): New method definition.
2281         (Stub_factory::Stub_factory): Add missing static storage class
2282         qualifier for elf32_arm_stub_a8_veneer_blx.
2283
2284 2010-01-07  Ian Lance Taylor  <iant@google.com>
2285
2286         PR 10980
2287         * options.h (class General_options): Add --warn-unresolved-symbols
2288         and --error-unresolved-symbols.
2289         * errors.cc (Errors::undefined_symbol): Implement
2290         --warn-unresolved-symbols.
2291
2292         * options.h (class General_options): Add -z text and -z textoff.
2293         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2294
2295 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2296
2297         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2298         (Garbage_collection::cident_sections): New function.
2299         (Garbage_collection::add_cident_section): New function.
2300         (Garbage_collection::cident_sections_): New member.
2301         (gc_process_relocs): Add references to sections whose names are C
2302         identifiers.
2303         * gold.h (cident_section_start_prefix): New constant.
2304         (cident_section_stop_prefix): New constant.
2305         (is_cident): New function.
2306         * layout.cc (Layout::define_section_symbols): Replace string constants
2307         with the newly defined constants.
2308         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2309         C identifiers.
2310         * testsuite/Makefile.am: Add gc_orphan_section_test.
2311         * testsuite/Makefile.in: Regenerate.
2312         * testsuite/gc_orphan_section_test.cc: New file.
2313         * testsuite/gc_orphan_section_test.sh: New file.
2314
2315 2010-01-06  Ian Lance Taylor  <iant@google.com>
2316
2317         PR 10980
2318         * options.h (class General_options): Add --warn-shared-textrel.
2319         * layout.cc (Layout::finish_dynamic_section): Implement
2320         --warn-shared-textrel.
2321
2322         PR 10980
2323         * options.h (class General_options): Add --warn-multiple-gp.
2324
2325 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2326
2327         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2328         $(THREADSLIB) and $(LIBDL).
2329         * Makefile.in: Rebuild.
2330
2331 2010-01-06  Ian Lance Taylor  <iant@google.com>
2332
2333         PR 10980
2334         * options.cc (General_options::parse_section_start): New function.
2335         (General_options::section_start): New function.
2336         (General_options::General_options): Initialize all members.
2337         * options.h: Include <map>
2338         (class General_options): Add --section-start.  Add section_starts_
2339         member.
2340         * layout.cc (Layout::attach_allocated_section_to_segment): If
2341         --section-start was used, set the address of the segment.  Remove
2342         local sort_sections.
2343         (Layout::relaxation_loop_body): If the address of the load segment
2344         has been set by --section-start, don't use it.
2345         * output.h (Output_segment::update_flags_for_output_section): New
2346         function.
2347         * output.cc (Output_segment::add_output_section): Call
2348         update_flags_for_output_section.
2349
2350 2010-01-05  Ian Lance Taylor  <iant@google.com>
2351
2352         PR 10980
2353         * options.h (class General_options): Add --undefined-version.
2354         * script.cc (struct Version_expression): Add was_matched_by_symbol
2355         field.
2356         (Version_script_info::matched_symbol): New function.
2357         (Version_script_info::get_symbol_version_helper): Call
2358         matched_symbol.
2359         (Version_script_info::check_unmatched_names): New function.
2360         * script.h (class Version_script_info): Update declarations.
2361         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2362
2363         * options.h (class General_options): Use DEFINE_bool_alias for
2364         allow_multiple_definition.
2365         * resolve.cc (Symbol_table::should_override): Don't test
2366         allow_multiple_definition.
2367
2368         PR 10980
2369         * options.h (class General_options): Add --cref.
2370         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2371         until after printing cref table.
2372         * cref.cc: Include "symtab.h".
2373         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2374         (Cref_table_compare::operator()): New function.
2375         (Cref_inputs::gather_cref): New function.
2376         (filecol): New static const.
2377         (Cref_inputs::print_cref): New function.
2378         (Cref::print_cref): New function.
2379         * cref.h: Include <cstdio>.
2380         (class Cref): Update declarations.
2381         * mapfile.h (Mapfile::file): New function.
2382         * object.h (class Object): Define Symbols.  Declare virtual
2383         do_get_global_symbols.
2384         (Object::get_global_symbols): New function.
2385         * object.cc (Input_objects::add_object): Pass object to cref_ if
2386         --cref.
2387         (Input_objects::archive_start): Likewise.
2388         (Input_objects::archive_stop): Likewise.
2389         (Input_objects::print_cref): New function.
2390         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2391         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2392         --cref.
2393         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2394         function.
2395         * plugin.h (class Sized_pluginobj): Update declarations.
2396
2397 2010-01-05  Ian Lance Taylor  <iant@google.com>
2398
2399         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2400         to is_default_version.  Rename insdef to insdefault.
2401         (Symbol_table::add_from_relobj): Rename def to is_default_version
2402         and local to is_forced_local.
2403         (Symbol_table::add_from_pluginobj): Likewise.
2404         (Symbol_table::add_from_dynobj): Likewise.
2405         (Symbol_table::define_special_symbol): Rename insdef to
2406         insdefault.
2407
2408 2010-01-04  Ian Lance Taylor  <iant@google.com>
2409
2410         PR 10980
2411         * options.h (class General_options): Add
2412         --allow-multiple-definition and -z muldefs.
2413         * resolve.cc (Symbol_table::should_override): Don't warn about a
2414         multiple symbol definition if --allow-multiple-definition or -z
2415         muldefs.
2416
2417         PR 10980
2418         * options.h (class General_options): Add --add-needed and
2419         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2420         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2421         error if --copy-dt-needed-entries aka --add-needed is used and
2422         would cause a change in behaviour.
2423
2424         PR 10980
2425         * options.h (class General_options): Add -G as a short version of
2426         --shared.  Add no-op options -assert, -g, and -i.
2427
2428 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2429
2430         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2431         check for .text or .gnu.linkonce.t sections.
2432         * icf.cc (Icf::find_identical_sections): Ditto.
2433         Change the detection for mangled function name within the section
2434         name.
2435         * icf.h (is_section_foldable_candidate): New function.
2436
2437 2009-12-30  Ian Lance Taylor  <iant@google.com>
2438
2439         PR 10980
2440         * options.h (class General_options): Permit two dashes with
2441         --retain-symbols-file.
2442
2443 2009-12-30  Ian Lance Taylor  <iant@google.com>
2444
2445         PR 10979
2446         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2447         don't put the file header and segment headers in the text
2448         segment.
2449
2450         PR 10979
2451         * common.cc (Sort_commons::operator()): Stabilize sort when both
2452         entries are NULL.
2453         (Symbol_table::do_allocate_commons_list): When allocating common
2454         symbols, skip a symbol which is no longer common.
2455         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2456         an object before checking its type.
2457         * testsuite/common_test_2.c: New file.
2458         * testsuite/common_test_3.c: New file.
2459         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2460         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2461         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2462         (common_test_2_pic.o, common_test_2.so): New targets.
2463         (common_test_3_pic.o, common_test_3.so): New targets.
2464         * testsuite/Makefile.in: Rebuild.
2465
2466         PR 10979
2467         * script.cc (read_input_script): If we see a new SECTIONS clause,
2468         and we have added an input section, give an error.
2469         * layout.h (class Layout): Add have_added_input_section function.
2470         Add have_added_input_section_ field.
2471         * layout.cc (Layout::Layout): Initialize
2472         have_added_input_section_.
2473         (Layout::layout): Set have_added_input_section_.
2474         (Layout::layout_eh_frame): Likewise.
2475
2476 2009-12-30  Ian Lance Taylor  <iant@google.com>
2477
2478         PR 10931
2479         * options.h (class General_options): Add --sort-common option.
2480         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2481         * common.cc (Sort_common): Add sort_order parameter to
2482         constructor.  Add sort_order_ field.
2483         (Sort_commons::operator): Check sort_order_.
2484         (Symbol_table::allocate_commons): Determine the sort order.
2485         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2486         Change all callers.
2487         (Symbol_table::do_allocate_commons_list): Likewise.
2488
2489 2009-12-30  Ian Lance Taylor  <iant@google.com>
2490
2491         PR 10916
2492         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2493         symbols from this object, don't change the visibility of an
2494         undefined symbol.
2495         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2496
2497 2009-12-30  Ian Lance Taylor  <iant@google.com>
2498
2499         PR 10861
2500         * script.h (class Version_script_info): Define Language enum.
2501         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2502         new fields globals_, locals_, and is_finalized_.
2503         * script.cc: Various formatting fixes.
2504         (class Parser_closure): Change language_stack_ from a vector of
2505         std::string to one of Version_script_info::Language.  Adjust all
2506         uses accordingly.
2507         (class Lazy_demangler): Remove.
2508         (struct Version_expression): Change language from std::string to
2509         Version_script_info::Language.
2510         (Version_script_info::Version_script_info): New function.
2511         (Version_script_info::~Version_script_info): Don't call clear.
2512         (Version_script_info::finalize): New function.
2513         (Version_script_info::build_lookup_tables): New function.
2514         (Version_script_info::build_expression_list_lookup): New
2515         function.
2516         (Version_script_info::get_symbol_version_helper): Rewrite to use
2517         lookup tables.
2518         (Version_script_info::print_expression_list): Adjust to use
2519         Version_script_info::Language.
2520         (script_push_lex_into_version_mode): Check that the version script
2521         has not been finalized.
2522         (version_script_push_lang): Change language string to
2523         Version_script_info::Language.
2524         * options.cc (Command_line::version_script): New function.
2525         * options.h (class General_options): Add finalize_dynamic_list
2526         function.  Change version_script from declaration to definition.
2527         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2528         * testsuite/version_script.map: Remove duplicate def of foo.
2529         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2530         version_script.map.
2531         * testsuite/Makefile.in: Rebuild.
2532
2533 2009-12-30  Ian Lance Taylor  <iant@google.com>
2534
2535         PR 10843
2536         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2537         if the input symbol index is 0, make the output symbol index 0.
2538
2539 2009-12-30  Ian Lance Taylor  <iant@google.com>
2540
2541         PR 10670
2542         * options.h (class General_options): Add -x/--discard-all.
2543         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2544         --discard-all.  If the local symbol needs a dynamic entry, check
2545         that before handling --discard-locals.
2546
2547 2009-12-30  Ian Lance Taylor  <iant@google.com>
2548
2549         PR 10450
2550         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2551         flags to PF_R.
2552         (Output_segment::add_output_section): Don't change the flags if
2553         the type is PT_TLS.
2554
2555         PR 10450
2556         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2557         GNU hash table if they need a dynamic value.  Otherwise, don't add
2558         them if they are defined in a dynamic object or are forced local.
2559
2560 2009-12-29  Ian Lance Taylor  <iant@google.com>
2561
2562         PR 10450
2563         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2564         .gnu.hash table for a 32-bit target.
2565
2566         PR 10450
2567         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2568         regular and a dynamic object only needs a dynamic symbol table
2569         entry if it is externally visible.
2570
2571         PR 10450
2572         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2573         constructor.  Add global_offset_table_ field.
2574         (Target_i386::got_section): Set global_offset_table_.
2575         (Target_i386::do_finalize_sections): Set global_offset_table_
2576         size.
2577         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2578         in constructor.  Add global_offset_table_ field.
2579         (Target_x86_64::got_section): Set global_offset_table_.
2580         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2581         size.
2582
2583         * layout.cc (Layout::Layout): Initialize increase_relro_.
2584         (Layout::get_output_section): Add is_relro, is_last_relro, and
2585         is_first_non_relro parameters.  Change all callers.
2586         (Layout::choose_output_section): Likewise.
2587         (Layout::add_output_section_data): Likewise.
2588         (Layout::make_output_section): Likewise.
2589         (Layout::set_segment_offsets): Clear increase_relro when using a
2590         linker script.
2591         * layout.h (class Layout): Add increase_relro method.  Add
2592         increase_relro_ field.  Update declarations.
2593         * output.cc (Output_section::Output_section): Initialize
2594         is_last_relro_ and is_first_non_relro_.
2595         (Output_segment::add_output_section): Group relro sections is
2596         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2597         (Output_segment::maximum_alignment): Remove relro handling.
2598         (Output_segment::set_section_addresses): Add increase_relro
2599         parameter.  Change all callers.  Add initial alignment to align
2600         relro sections on separate page.  Remove old relro handling.
2601         (Output_segment::set_section_list_addresses): Remove in_relro
2602         parameter.  Change all callers.
2603         (Output_segment::set_offset): Add increase parameter.  Change all
2604         callers.  Remove old relro handling.
2605         * output.h (class Output_section): Add new methods: is_last_relro,
2606         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2607         Add is_last_relro_ and is_first_non_relro_ fields.
2608         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2609         Create separate .got.plt section.  Call increase_relro.
2610         * x86_64.cc (Target_x86_64::got_section): Likewise.
2611         * testsuite/relro_script_test.t: Add .got.plt.
2612
2613         PR 10450
2614         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2615         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2616         (Layout::finalize): Call set_dynamic_symbol_size.
2617         (Layout::set_dynamic_symbol_size): New function.
2618         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2619         set_dynamic_symbol_size.
2620
2621         PR 10450
2622         * output.h (class Output_section): Add is_entsize_zero_ field.
2623         * output.cc (Output_section::Output_section): Initialize
2624         is_entsize_zero_.
2625         (Output_section::set_entsize): If two different entsizes are
2626         requested, force it to zero.
2627         (Output_section::add_input_section): Set flags for .debug_str
2628         before updating section flags.  Set entsize.
2629         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2630         and SHF_STRING if all input sections have those flags.
2631
2632 2009-12-29   Rafael Espindola  <espindola@google.com>
2633
2634         * main.cc (main): Fix the sys time reporting.
2635         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2636         reporting.
2637
2638 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2639
2640         * options.cc (General_options::parse_version): Allow -v to exit
2641         without an error if there is nothing to link.
2642
2643 2009-12-29  Ian Lance Taylor  <iant@google.com>
2644
2645         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2646         using a version of gcc before 4.1.
2647         * configure: Rebuild.
2648
2649 2009-12-28  Chris Demetriou  <cgd@google.com>
2650
2651         * attributes.cc (Output_attributes_section_data::do_write): Use
2652         std::vector::front rather than std::vector::data.
2653
2654 2009-12-28  Ian Lance Taylor  <iant@google.com>
2655
2656         * symtab.h (class Symbol_table): Add enum Defined.
2657         * resolve.cc (Symbol_table::should_override): Add defined
2658         parameter.  Change all callers.  Test whether object is NULL
2659         before calling a method on it.
2660         (Symbol_table::report_resolve_problem): Add defined parameter.
2661         Change all callers.
2662         (Symbol_table::should_override_with_special): Likewise.
2663         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2664         parameter.  Change all callers.
2665         (Symbol_table::do_define_in_output_data): Likewise.
2666         (Symbol_table::define_in_output_segment): Likewise.
2667         (Symbol_table::do_define_in_output_segment): Likewise.
2668         (Symbol_table::define_as_constant): Likewise.
2669         (Symbol_table::do_define_as_constant): Likewise.
2670         * script.h (class Symbol_assignment): Add is_defsym parameter to
2671         constructor; change all callers.
2672         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2673         parameter.  Change all callers.  Add is_defsym_ field.
2674         (class Parser_closure): Add parsing_defsym parameter to
2675         constructor; change all callers.  Add parsing_defsym accessor
2676         function.  Add parsing_defsym_ field.
2677
2678 2009-12-28  Ian Lance Taylor  <iant@google.com>
2679
2680         * gold.cc (queue_middle_tasks): Fix formatting.
2681         * object.cc (Relobj::is_section_name_included): Likewise.
2682
2683 2009-12-23  Ian Lance Taylor  <iant@google.com>
2684
2685         * i386.cc (Target_i386::do_calls_non_split): Recognize
2686         -fsplit-stack prologue for a function with a static chain.
2687         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2688         -fsplit-stack prologue when using %r11.
2689
2690 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2691
2692         * options.cc (General_options::parse_version): Make -v continue and do
2693         the link like GNU ld does.
2694
2695 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2696
2697         * Makefile.am (CCFILES): Add timer.cc.
2698         (HFILES): Add timer.h.
2699         * configure.ac: Check for sysconf and times.
2700         * main.cc: include timer.h.
2701         (main): Use Timer instead of get_run_time.
2702         * timer.cc: New.
2703         * timer.h: New.
2704         * workqueue.cc: include timer.h.
2705         (Workqueue::find_and_run_task):
2706         Report user, sys and wall time.
2707         * Makefile.in: Regenerate.
2708         * config.in: Regenerate.
2709         * configure: Regenerate.
2710
2711 2009-12-16  Doug Kwan  <dougkwan@google.com>
2712
2713         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2714         sections.
2715         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2716         relaxed input sections.
2717         * output.cc (Output_section::find_relaxed_input_section): Change
2718         return type to Output_relaxed_input_section pointer.  Adjust code
2719         for new type of relaxed_input_section_map_.
2720         * output.h (Output_section::find_relaxed_input_section): Change
2721         return type to Output_relaxed_input_section pointer.
2722         (Output_section::Output_relaxed_input_section_by_input_section_map):
2723         New type.
2724         (Output_section::relaxed_input_section_map_): Change type to
2725         Output_section::Output_relaxed_input_section_by_input_section_map.
2726         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2727         input section.
2728
2729 2009-12-15  Ian Lance Taylor  <iant@google.com>
2730
2731         * layout.cc (Layout::create_shstrtab): Only write out after input
2732         sections if we are compressing debug sections.
2733
2734 2009-12-15  Ian Lance Taylor  <iant@google.com>
2735
2736         * archive.cc (Archive::add_symbols): Only look up a symbol without
2737         a version if there is, in fact, a version.
2738
2739 2009-12-14  Ian Lance Taylor  <iant@google.com>
2740
2741         Revert -Wshadow changes, all changes from:
2742         2009-12-11  Doug Kwan  <dougkwan@google.com>
2743         2009-12-11  Nick Clifton  <nickc@redhat.com>
2744         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2745
2746 2009-12-11  Doug Kwan  <dougkwan@google.com>
2747
2748         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2749         due to -Wshadow.
2750         * attributes.cc (Object_attribute::size): Ditto.
2751         (Attributes_section_data::size): Ditto.
2752         (Attributes_section_data::Attributes_section_data): Ditto.
2753         (Output_attributes_section_data::do_write): Ditto.
2754         * attributes.h (Object_attribute::set_type): Ditto.
2755         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2756
2757 2009-12-11  Nick Clifton  <nickc@redhat.com>
2758
2759         * archive.cc: Fix shadowed variable warnings.
2760         * arm.cc: Likewise.
2761         * compressed_output.cc: Likewise.
2762         * compressed_output.h: Likewise.
2763         * configure: Likewise.
2764         * dwarf_reader.cc: Likewise.
2765         * dynobj.cc: Likewise.
2766         * dynobj.h: Likewise.
2767         * ehframe.cc: Likewise.
2768         * ehframe.h: Likewise.
2769         * errors.cc: Likewise.
2770         * expression.cc: Likewise.
2771         * fileread.cc: Likewise.
2772         * fileread.h: Likewise.
2773         * freebsd.h: Likewise.
2774         * i386.cc: Likewise.
2775         * icf.cc: Likewise.
2776         * incremental.h: Likewise.
2777         * layout.cc: Likewise.
2778         * layout.h: Likewise.
2779         * mapfile.cc: Likewise.
2780         * merge.cc: Likewise.
2781         * merge.h: Likewise.
2782         * object.cc: Likewise.
2783         * object.h: Likewise.
2784         * options.h: Likewise.
2785         * output.cc: Likewise.
2786         * output.h: Likewise.
2787         * parameters.cc: Likewise.
2788         * plugin.cc: Likewise.
2789         * powerpc.cc: Likewise.
2790         * reduced_debug_output.cc: Likewise.
2791         * reduced_debug_output.h: Likewise.
2792         * reloc.cc: Likewise.
2793         * reloc.h: Likewise.
2794         * resolve.cc: Likewise.
2795         * script-sections.cc: Likewise.
2796         * script.cc: Likewise.
2797         * script.h: Likewise.
2798         * sparc.cc: Likewise.
2799         * symtab.cc: Likewise.
2800         * symtab.h: Likewise.
2801         * target-select.cc: Likewise.
2802         * target-select.h: Likewise.
2803         * token.h: Likewise.
2804         * workqueue.cc: Likewise.
2805         * workqueue.h: Likewise.
2806         * x86_64.cc: Likewise.
2807
2808 2009-12-10  Doug Kwan  <dougkwan@google.com>
2809
2810         * arm.cc (attributes.h): New include.
2811         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2812         (Arm_relobj::~Arm_relobj): Delete object pointed by
2813         attributes_section_data_.
2814         (Arm_relobj::attributes_section_data): New method definition.
2815         (Arm_relobj::attributes_section_data_): New data member declaration.
2816         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2817         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2818         attributes_section_data_.
2819         (Arm_dynobj::attributes_section_data): New method definition.
2820         (Arm_dynobj::attributes_section_data_): New data member declaration.
2821         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2822         initialization value of may_use_blx_ to false.
2823         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2824         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2825         object attributes to compute results instead of hard-coding.
2826         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2827         Target_arm::get_secondary_compatible_arch,
2828         Target_arm::set_secondary_compatible_arch
2829         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2830         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2831         New method declarations.
2832         (Target_arm::get_aeabi_object_attribute): New method definition.
2833         (Target_arm::attributes_section_data_): New data member declaration.
2834         (read_arm_attributes_section): New template definition.
2835         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2836         (Arm_dynobj::do_read_symbols): Ditto.
2837         (Target_arm::do_finalize_sections): Merge attributes sections from
2838         input.  Check for BLX use after attributes section merging.
2839         Fix __exidx_start and __exidx_end visibility.  Create an
2840         .ARM.attributes section if necessary.
2841         (Target_arm::get_secondary_compatible_arch,
2842         Target_arm::set_secondary_compatible_arch,
2843         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2844         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2845         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
2846         New method definitions.
2847
2848 2009-12-09  Ian Lance Taylor  <iant@google.com>
2849
2850         * plugin.cc (Plugin::load): Don't cast from void* to a function
2851         pointer.
2852
2853 2009-12-09  Ian Lance Taylor  <iant@google.com>
2854
2855         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2856         information fields.
2857
2858 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2859
2860         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2861         Replace two_file_shared_1.so with two_file_shared_2.so.
2862         * testsuite/Makefile.in: Regenerated.
2863
2864 2009-12-08  Doug Kwan  <dougkwan@google.com>
2865
2866         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2867         (HFILES): Add attributes.h and int_encoding.h.
2868         * Makefile.in: Regenerate.
2869         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2870         function definitions to int_encoding.cc
2871         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2872         prototypes to int_encoding.h
2873         * reduced_debug_output.cc (int_encoding.h): New include.
2874         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2875         function definitions to int_encoding.cc
2876         (insert_into_vector, read_from_pointer): Move template definitions to
2877         int_encoding.h
2878         * attributes.cc: New file.
2879         * attributes.h: New file.
2880         * int_encoding.cc: New file.
2881         * int_encoding.h: New file.
2882
2883 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2884
2885         PR gold/11055
2886         * incremental-dump.cc (dump_incremental_inputs): New.
2887         (main): Use dump_incremental_inputs.
2888
2889 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2890
2891         PR gold/10893
2892         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2893         checking elfcpp::STT_FUNC.
2894         (Target_i386::Relocate::relocate): Likewise.
2895         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2896
2897         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2898         symbols from shared libraries into normal FUNC symbols.
2899
2900         * symtab.h (Symbol): Add is_func and use it.
2901
2902 2009-12-05  Doug Kwan  <dougkwan@google.com>
2903
2904         * arm.cc (Target_arm::arm_info): Initialize new fields
2905         attributes_section and attributes_vendor.
2906         * i386.cc (Target_i386::i386_info): Same.
2907         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2908         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2909         fields attributes_section and attributes_vendor.
2910         * sparc.cc (Target_sparc::sparc_info): Same.
2911         * target.h (Target::attributes_section, Target::attributes_vendor,
2912         Target::is_attributes_section, Target::attribute_arg_type,
2913         Target::attributes_order): New method definitions.
2914         (Target::Target_info::attributes_section,
2915         Target::Target_info::attributes_vendor): New fields.
2916         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2917         virtual method definitions.
2918         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2919         attributes_section and attributes_vendor.
2920         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2921
2922 2009-12-05  Doug Kwan  <dougkwan@google.com>
2923
2924         * arm.cc: Update comments about interworking and stub generation.
2925         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2926         considered as non-PIC.
2927         (Arm_relocate_functions::base_abs): Fix formatting.
2928         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2929         of function to use GOT entry address instead of offset.
2930         (Target_arm::Scan::global): Issue an error if a symbol would need a
2931         PLT does not get one because it is untyped.  Remove code to create
2932         dynamic symbols for relative branches.
2933         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2934         takes unsigned integer instead of boolean.
2935
2936 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2937
2938         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2939         (two_file_test_LDADD): Likewise.
2940         (common_test_1_LDADD): Likewise.
2941         (exception_test_LDADD) Likewise.
2942         (weak_test_LDADD): Likewise.
2943         (many_sections_test_LDADD): Likewise.
2944         (initpri1_LDADD): Likewise.
2945         (script_test_1_LDADD): Likewise.
2946         (script_test_2_LDADD): Likewise.
2947         (justsyms_LDADD): Likewise.
2948         (binary_test_LDADD): Likewise.
2949         (large_LDADD): Likewise.
2950         * testsuite/Makefile.in: Regenerated.
2951
2952 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2953
2954         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2955         (Symbol_table::override_with_special): Likewise.
2956         (Symbol_table::add_from_object): Likewise.
2957
2958 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2959
2960         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2961         Don't set the data_offset twice.
2962
2963 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2964
2965         * testsuite/Makefile.in: Regenerate.
2966
2967 2009-12-03  Doug Kwan  <dougkwan@google.com>
2968
2969         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2970         (Target_arm::do_finalize_sections): Add parameter for symbol table
2971         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2972         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2973         parameter for symbol table pointer.
2974         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2975         an additional parameter for a pointer to symbol table.
2976         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2977         parameter for a symbol table pointer.
2978         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2979         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2980         Ditto.
2981         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2982         parameter for a symbol table pointer.
2983
2984 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2985
2986         * incremental.cc (Incremental_inputs_header)
2987         (Incremental_inputs_header_write, Incremental_inputs_entry)
2988         (Incremental_inputs_entry_write): Move ...
2989         * incremental.h (Incremental_inputs_header)
2990         (Incremental_inputs_header_write, Incremental_inputs_entry)
2991         (Incremental_inputs_entry_write): here.
2992
2993 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2994
2995         * incremental.cc (make_sized_incremental_binary): Set the target.
2996         Error if it is incompatible.
2997         * output.h (Output_file): Add filename method.
2998
2999 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3000
3001         * incremental.cc (Incremental_inputs_entry): Remove unused argument
3002         from the get_* methods.
3003
3004 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3005
3006         * incremental-dump.cc (main): Check that the offeset of a script is 0.
3007         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3008         Write 0 for the data_offset of scripts.
3009
3010 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3011
3012         * testsuite/Makefile.am: Add the incremental_test.sh test.
3013         * testsuite/incremental_test.sh: New.
3014         * testsuite/incremental_test_1.c: New.
3015         * testsuite/incremental_test_2.c: New.
3016
3017 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
3018
3019        * incremental-dump.cc (main): Fix typos.
3020
3021 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
3022
3023         PR gold/11025
3024         * incremental-dump.cc (main): Use llu to print 64 bit values.
3025
3026 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
3027             H.J. Lu  <hongjiu.lu@intel.com>
3028
3029         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
3030         $(LIBDL).
3031         (incremental_dump_LDADD): Likewise.
3032         * Makefile.in: Regenerated.
3033
3034 2009-11-25  Doug Kwan  <dougkwan@google.com>
3035
3036         Revert:
3037
3038         2009-11-25  Doug Kwan  <dougkwan@google.com>
3039
3040                 * arm.cc (Target_arm::Target_arm): Move method definition
3041                 outside of class definition.  Add code to handle
3042                 --target1-rel, --target1-abs and --target2= options.
3043                 (Target_arm::get_reloc_reloc_type): Change method to be
3044                 non-static and const.
3045                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
3046                 New data member declaration.
3047                 (Target_arm::Scan::local, Target_arm::Scan::global,
3048                 Target_arm::Relocate::relocate,
3049                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3050                 Adjust call to Target_arm::get_real_reloc_type.
3051                 (Target_arm::get_real_reloc_type): Use command line options
3052                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3053                 * options.h (--target1-rel, --target1-abs, --target2): New
3054                 ARM-only options.
3055
3056 2009-11-25  Doug Kwan  <dougkwan@google.com>
3057
3058         * arm.cc (Target_arm::Target_arm): Move method definition outside of
3059         class definition.  Add code to handle --target1-rel, --target1-abs
3060         and --target2= options.
3061         (Target_arm::get_reloc_reloc_type): Change method to be non-static
3062         and const.
3063         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
3064         member declaration.
3065         (Target_arm::Scan::local, Target_arm::Scan::global,
3066         Target_arm::Relocate::relocate,
3067         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
3068         call to Target_arm::get_real_reloc_type.
3069         (Target_arm::get_real_reloc_type): Use command line options to
3070         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3071         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
3072         options.
3073
3074 2009-11-25  Doug Kwan  <dougkwan@google.com>
3075
3076         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
3077         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
3078         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
3079         formatting.
3080         (Arm_relocate_functions::thm_call): Replace body with a call to
3081         Arm_relocate_functions::thumb_branch_common.
3082         (Arm_relocate_functions::thm_jump24,
3083         Arm_relocate_functions::thm_xpc22): New method definitions.
3084         (Arm_relocate_functions::thumb_branch_common): New method definition.
3085         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
3086         operator.
3087         (Target_arm::Relocate::relocate): Adjust call to thm_call.
3088         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
3089
3090 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3091
3092         * Makefile.am: Build incremental-dump
3093         * Makefile.in: Regenerate.
3094         * incremental-dump.cc: New.
3095         * incremental.cc (Incremental_inputs_header_data,
3096         Incremental_inputs_entry_data): Move to incremental.h
3097         * incremental.h: (Incremental_inputs_header_data,
3098         Incremental_inputs_entry_data): Move from incremental.cc
3099
3100 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3101
3102         * incremental.cc (Incremental_inputs_header,
3103         Incremental_inputs_header_write, Incremental_inputs_entry,
3104         Incremental_inputs_entry_write): Add a typedef with the data type.
3105
3106 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3107
3108         * incremental.cc (Incremental_inputs_header,
3109         Incremental_inputs_header_write, Incremental_inputs_entry,
3110         Incremental_inputs_entry_write): Update comment about which
3111         type has the filed descriptions.
3112
3113 2009-11-15  Doug Kwan  <dougkwan@google.com>
3114
3115         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
3116         (Arm_relocate_functions::arm_branch_common): Change method defintion
3117         in class definition to a method declaration and update list of formal
3118         parameters.
3119         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
3120         Arm_relocation_functions::jump24): Adjust call to
3121         Arm_relocate_functions::arm_branch_common.  Update list of formal
3122         parameters.
3123         (Arm_relocate_functions::xpc25): New method definition.
3124         (Arm_relocate_functions::arm_branch_common): Move method defintion
3125         out from class definition.  Use stubs for mode-switching and extending
3126         branch ranges.
3127         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
3128         specially.  Change code to enable use of stubs in ARM branches.
3129
3130 2009-11-10  Doug Kwan  <dougkwan@google.com>
3131
3132         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
3133         in method declaration.
3134         (Target_arm::relocate_stub): New method declaration.
3135         (Target_arm::default_target): Change to return a pointer instead of
3136         a const reference.
3137         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
3138         Target_arm::default_target.
3139         (Arm_Relobj::do_relocate_sections): Remove options paramater in
3140         method definition.
3141         (Target_arm::relocate_section): Adjust view.
3142         (Target_arm::relocate_stub): New method definition.
3143
3144 2009-11-10  Doug Kwan  <dougkwan@google.com>
3145
3146         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3147         a format warning.
3148         * incremental.cc (open_incremental_binary): Initialized local
3149         variables to avoid warnings.
3150         * object.cc (make_elf_object): Ditto.
3151         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3152         a format warning.
3153
3154 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
3155
3156         PR gold/10930
3157         * testsuite/plugin_test.c: Include "config.h".
3158
3159 2009-11-09  Doug Kwan  <dougkwan@google.com>
3160
3161         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3162         (arm_symbol_value): Remove.
3163         (Arm_relocate_functions::arm_branch_common,
3164         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3165         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3166         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3167         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3168         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3169         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3170         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3171         Arm_relocate_functions::thm_mobw_abs_nc,
3172         Arm_relocate_functions::thm_mov_abs,
3173         Arm_relocate_functions::movw_prel_nc,
3174         Arm_relocate_functions::thm_movt_abs,
3175         Arm_relocate_functions::movt_prel,
3176         Arm_relocate_functions::thm_movw_prel_nc,
3177         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3178         (Target_arm::Relocate::relocate): Only decompose address into two
3179         parts if relocation type uses the thumb-bit and pass the actual
3180         bit instead of a flag indicating that the thumb-bit is used.  Adjust
3181         calls to methods in Arm_relocate_functions for this change.
3182
3183 2009-11-08  Ian Lance Taylor  <iant@google.com>
3184
3185         PR 10925
3186         * reloc.cc: Instantiate
3187         Sized_relobj::initialize_input_to_output_maps and
3188         Sized_relobj:free_input_to_output_maps.
3189
3190 2009-11-06  Ian Lance Taylor  <iant@google.com>
3191
3192         PR 10876
3193         * defstd.cc (in_segment): Set only_if_ref true for "end".
3194
3195 2009-11-06  Doug Kwan  <dougkwan@google.com>
3196
3197         * arm.cc (class Reloc_stub): Correct a comment.
3198         (Target_arm::Target_arm): Initialize arm_input_section_map_.
3199         (Target_arm::scan_section_for_stubs): New method declaration.
3200         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3201         Change methods from private to protected.
3202         (Target_arm::do_may_relax): New method definition.
3203         (Target_arm::do_relax, Target_arm::group_sections,
3204         Target_arm::scan_reloc_for_stub,
3205         Target_arm::scan_reloc_section_for_stubs): New method declarations.
3206         (Target_arm::arm_input_section_map_): New data member declaration.
3207         (Target_arm::scan_reloc_for_stub,
3208         Target_arm::scan_reloc_section_for_stubs,
3209         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3210         Target_arm::do_relax): New method definitions.
3211
3212 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
3213
3214         * configure.ac: Check for (struct stat)::st_mtim
3215         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3216         * config.in: Regenerate.
3217         * configure: Regenerate.
3218
3219 2009-11-05  Ian Lance Taylor  <iant@google.com>
3220
3221         PR 10910
3222         * output.cc (Output_segment::add_output_section): Add missing
3223         return statement.
3224
3225 2009-11-04  Ian Lance Taylor  <iant@google.com>
3226
3227         PR 10880
3228         * object.h (class Object): Add is_needed and set_is_needed
3229         methods.  Add is_needed_ field.  Make bool fields into bitfields.
3230         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3231         defined in a dynamic object and referenced by a regular object,
3232         set is_needed for the dynamic object.
3233         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3234         if the file is marked with as_needed and it is not needed.
3235
3236 2009-11-04  Ian Lance Taylor  <iant@google.com>
3237
3238         PR 10887
3239         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3240         tags if data is discarded by linker script.
3241         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3242         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3243         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3244         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3245
3246 2009-11-04  Ian Lance Taylor  <iant@google.com>
3247
3248         * layout.cc (Layout::get_output_section): Add is_interp and
3249         is_dynamic_linker_section parameters.  Change all callers.
3250         (Layout::choose_output_section): Likewise.
3251         (Layout::make_output_section): Likewise.
3252         (Layout::add_output_section_data): Add is_dynamic_linker_section
3253         parameter.  Change all callers.
3254         * layout.h (class Layout): Update declarations.
3255         * output.h (class Output_section): Add is_interp, set_is_interp,
3256         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3257         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3258         generate_code_fills_at_write_ to a bitfield.
3259         * output.cc (Output_section::Output_sections): Initialize new
3260         fields.
3261         (Output_segment::add_output_section): Add do_sort parameter.
3262         Change all callers.
3263
3264 2009-11-03  Ian Lance Taylor  <iant@google.com>
3265
3266         PR 10860
3267         * options.h (class General_options): Add --warn-common.
3268         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3269         merging two common symbols.
3270         (Symbol_table::should_override): Handle --warn-common when merging
3271         a common symbol with a defined symbol.  Use report_resolve_problem
3272         for multiple definitions.
3273         (Symbol_table::report_resolve_problem): New function.
3274         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3275
3276 2009-11-03  Doug Kwan  <dougkwan@google.com>
3277
3278         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3279         stub_factory_.
3280         (Target_arm::stub_factory): New method definition.
3281         (Target_arm::new_arm_input_section,
3282         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3283         Target_arm::reloc_uses_thumb_bit): New method declarations.
3284         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
3285         New type definitions.
3286         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3287         member declarations.
3288         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3289         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3290         New method definitions.
3291
3292 2009-11-03  Ian Lance Taylor  <iant@google.com>
3293
3294         * options.h (class General_options): Add --warn_constructors.
3295
3296 2009-11-03  Ian Lance Taylor  <iant@google.com>
3297
3298         PR 10893
3299         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3300         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3301
3302 2009-11-03  Ian Lance Taylor  <iant@google.com>
3303
3304         PR 10895
3305         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3306         --msgid-bugs-address.
3307         (install-pdf): New target.
3308         (install-data_yes): Look up one directory to find mkinstalldirs.
3309
3310 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3311
3312         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3313         tree.
3314
3315 2009-10-30  Doug Kwan  <dougkwan@google.com>
3316
3317         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3318
3319 2009-10-30  Doug Kwan  <dougkwan@google.com>
3320
3321         * arm.cc (Stub_addend_reader): New struct template definition
3322         and partial specializations.
3323         (Stub_addend_reader::operator()): New method definition for a
3324         partially specialized template.
3325
3326 2009-10-30  Doug Kwan  <dougkwan@google.com>
3327
3328         * arm.cc (Arm_relobj::processor_specific_flags): New method
3329         definition.
3330         (Arm_relobj::do_read_symbols): New method declaration.
3331         (Arm_relobj::processor_specific_flags_): New data member declaration.
3332         (Arm_dynobj): New class definition.
3333         (Target_arm::do_finalize_sections): Add input_objects parameter.
3334         (Target_arm::do_adjust_elf_header): New method declaration.
3335         (Target_arm::are_eabi_versions_compatible,
3336         (Target_arm::merge_processor_specific_flags): New method declaration.
3337         (Target_arm::do_make_elf_object): New overloaded method definitions
3338         and declaration.
3339         (Arm_relobj::do_read_symbols): New method definition.
3340         (Arm_dynobj::do_read_symbols): Ditto.
3341         (Target_arm::do_finalize_sections): Add input_objects parameters.
3342         Merge processor-specific flags from all input objects.
3343         (Target_arm::are_eabi_versions_compatible,
3344         Target_arm::merge_processor_specific_flags,
3345         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3346         New method definitions.
3347         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3348         Input_objects pointer type parameter.
3349         * layout.cc (Layout::finalize): Pass input objects to target's.
3350         finalize_sections function.
3351         * output.cc (Output_file_header::do_sized_write): Set ELF file
3352         header's processor-specific flags.
3353         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3354         Input_objects pointer type parameter.
3355         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3356         * target.h (Input_objects): New forward class declaration.
3357         (Target::processor_specific_flags,
3358         Target::are_processor_specific_flags_sect): New method definitions.
3359         (Target::finalize_sections): Add input_objects parameter.
3360         (Target::Target): Initialize processor_specific_flags_ and
3361         are_processor_specific_flags_set_.
3362         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3363         parameter.
3364         (Target::set_processor_specific_flags): New method definition.
3365         (Target::processor_specific_flags_,
3366         Target::are_processor_specific_flags_set_): New data member
3367         declarations.
3368         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3369         Input_objects pointer type parameter.
3370
3371 2009-10-30  Doug Kwan  <dougkwan@google.com>
3372
3373         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3374
3375 2009-10-28  Ian Lance Taylor  <iant@google.com>
3376
3377         * object.h (class Relobj): Drop options parameter from
3378         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3379         do_scan_relocs, do_relocate.  Change all callers.
3380         (class Sized_relobj): Drop options parameters from
3381         do_gc_process_relocs, do_scan_relocs, do_relocate,
3382         do_relocate_sections, relocate_sections, emit_relocs_scan,
3383         emit_relocs_scan_reltype.  Change all callers.
3384         (struct Relocate_info): Remove options field and all references to
3385         it.
3386         * reloc.h (class Read_relocs): Remove options constructor
3387         parameter and options_ field.  Change all callers.
3388         (class Gc_process_relocs, class Scan_relocs): Likewise.
3389         (class Relocate_task): Likewise.
3390         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3391         all callers.
3392         (scan_relocatable_relocs): Likewise.
3393         * target.h (class Sized_target): Remove options parameter from
3394         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3395         all callers.
3396         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3397         callers.
3398         * arm.cc: Update functions to remove options parameters.
3399         * i386.cc: Likewise.
3400         * powerpc.cc: Likewise.
3401         * sparc.cc: Likewise.
3402         * x86_64.cc: Likewise.
3403         * testsuite/testfile.cc: Likewise.
3404
3405 2009-10-28  Doug Kwan  <dougkwan@google.com>
3406
3407         * arm.cc (Arm_relobj): New class definition.
3408         (Arm_relobj::scan_sections_for_stubs,
3409         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3410         New method definitions.
3411
3412 2009-10-28  Cary Coutant  <ccoutant@google.com>
3413
3414         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3415         (Plugin::cleanup_done_): New member.
3416         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3417         (Plugin_manager::cleanup_done_): Remove.
3418         (Plugin_manager::add_input_file): Edit error message.
3419         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3420         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3421
3422 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3423
3424         * fileread.cc: (File_read::View::~View): Use the new
3425         data_ownership_ filed.
3426         (File_read::~File_read): Dispose the new whole_file_view_.
3427         (File_read::open): Mmap the whole file if needed.
3428         (File_read::open): Use whole_file_view_ instead of contents_.
3429         (File_read::find_view): Use whole_file_view_ if applicable.
3430         (File_read::do_read): Use whole_file_view_ instead of contents_.
3431         (File_read::make_view): Use whole_file_view_ instead of contents_,
3432         update File_read::View::View call.
3433         (File_read::find_or_make_view): Update File_read::View::View
3434         call.
3435         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3436         remove contents_
3437         (File_read::View::Data_ownership): New enum.
3438         (File_read::View::View): Replace bool mapped_ with Data_ownership
3439         argument.
3440         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3441         (File_read::View::data_ownership_): New field.
3442         (File_read::contents_): Remove (replaced by whole_file_view_).
3443         (File_read::whole_file_view_): New field.
3444         * options.h (class General_options): Add --keep-files-mapped.
3445
3446 2009-10-27  Cary Coutant  <ccoutant@google.com>
3447
3448         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3449         * testsuite/Makefile.am (plugin_test_5): New test case.
3450         * testsuite/Makefile.in: Regenerate.
3451
3452 2009-10-25  Doug Kwan  <dougkwan@google.com>
3453
3454         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3455         from private to protected to allow access by child class.
3456         (Sized_relobj::do_relocate_sections): New method declaration.
3457         (Sized_relobj::relocate_sections): Virtualize.
3458         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
3459         Sized_relobj::relocate_sections.  Instantiate template explicitly
3460         for different target sizes and endianity.
3461
3462 2009-10-24  Doug Kwan  <dougkwan@google.com>
3463
3464         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3465         (Arm_input_section::as_arm_input_section): New method.
3466         (Arm_output_section): New class definition.
3467         (Arm_output_section::create_stub_group,
3468         Arm_output_section::group_sections): New method definitions.
3469
3470 2009-10-22  Doug Kwan  <dougkwan@google.com>
3471
3472         * arm.cc (Arm_input_section): New class definition.
3473         (Arm_input_section::init, Arm_input_section:do_write,
3474         Arm_input_section::set_final_data_size,
3475         Arm_input_section::do_reset_address_and_file_offset): New method
3476         definitions.
3477
3478 2009-10-21  Doug Kwan  <dougkwan@google.com>
3479
3480         * arm.cc (Stub_table, Arm_input_section): New forward class
3481         declarations.
3482         (Stub_table): New class defintion.
3483         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3484         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3485         New method definition.
3486
3487 2009-10-21  Doug Kwan  <dougkwan@google.com>
3488
3489         * arm.cc: Update copyright comments.
3490         (Target_arm): New forward class template declaration.
3491         (Arm_address): New type.
3492         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3493         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3494         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3495         constants.
3496         (Insn_template): Same.
3497         (DEF_STUBS): New macro.
3498         (Stub_type): New enum type.
3499         (Stub_template): New class definition.
3500         (Stub): Same.
3501         (Reloc_stub): Same.
3502         (Stub_factory): Same.
3503         (Target_arm::Target_arm): Initialize may_use_blx_ and
3504         should_force_pic_veneer_.
3505         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3506         Target_arm::should_force_pic_veneer,
3507         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3508         Target_arm::using_thumb_only, Target_arm:;default_target): New
3509         method defintions.
3510         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3511         New data member declarations.
3512         (Insn_template::size, Insn_template::alignment): New method defintions.
3513         (Stub_template::Stub_template): New method definition.
3514         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3515         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3516         (Stub_factory::Stub_factory): New method definition.
3517         * gold.h (string_hash): New template.
3518         * output.h (Input_section_specifier::hash_value): Use
3519         gold::string_hash.
3520         (Input_section_specifier::string_hash): Remove.
3521         * stringpool.cc (Stringpool_template::string_hash): Use
3522         gold::string_hash.
3523
3524 2009-10-20  Doug Kwan  <dougkwan@google.com>
3525
3526         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3527         symbols of relaxed input sections.
3528         * output.h (Output_section::find_relaxed_input_section): Make
3529         method public.
3530
3531 2009-10-16  Doug Kwan  <dougkwan@google.com>
3532
3533         * dynobj.cc (Versions::Versions): Initialize version_script_.
3534         Only insert base version symbol definition for a shared object
3535         if version script defines any version versions.
3536         (Versions::define_base_version): New method definition.
3537         (Versions::add_def): Check that base version is not needed.
3538         (Versions::add_need): Define base version lazily.
3539         * dynobj.h (Versions::define_base_version): New method declaration.
3540         (Versions::needs_base_version_): New data member declaration.
3541         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3542         (check_DATA): Add no_version_test.stdout.
3543         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3544         New make rules.
3545         * testsuite/Makefile.in: Regenerate.
3546         * testsuite/no_version_test.c: New file.
3547         * testsuite/no_version_test.sh: Ditto.
3548
3549 2009-10-16  Doug Kwan  <dougkwan@google.com>
3550
3551         * expression.cc (class Segment_start_expression): New class definition.
3552         (Segment_start_expression::value): New method definition.
3553         (script_exp_function_segment_start): Return a new
3554         Segment_start_expression.
3555         * gold/script-c.h (script_saw_segment_start_expression): New function
3556         prototype.
3557         * script-sections.cc (Script_sections::Script_sections): Initialize
3558         SAW_SEGMENT_START_EXPRESSION_ to false.
3559         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3560         and -Tbbs options to specify section addresses if given in
3561         command line and no SEGMENT_START expression is seen in a script.
3562         * script-sections.h (Script_sections::saw_segment_start_expression,
3563         Script_sections::set_saw_segment_start_expression): New method
3564         definition.
3565         (Script_sections::saw_segment_start_expression_): New data member
3566         declaration.
3567         * script.cc (script_saw_segment_start_expression): New function.
3568         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3569         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3570         script_test_7.sh and script_test_8.sh.
3571         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3572         script_test_8.stdout.
3573         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3574         (script_test_6, script_test_6.stdout, script_test_7,
3575         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3576         * Makefile.in: Regenerate.
3577         * testsuite/script_test_6.sh: New file.
3578         * testsuite/script_test_6.t: Same.
3579         * testsuite/script_test_7.sh: Same.
3580         * testsuite/script_test_7.t: Same.
3581         * testsuite/script_test_8.sh: Same.
3582
3583 2009-10-16  Doug Kwan  <dougkwan@google.com>
3584
3585         * output.cc (Output_segment::set_section_list_address): Cast
3586         expressions to unsigned long long type to avoid format warnings.
3587
3588 2009-10-15  Ian Lance Taylor  <iant@google.com>
3589
3590         * script.cc (Script_options::add_symbol_assignment): Always add a
3591         dot assignment to script_sections_.
3592         * script-sections.cc (Script_sections::add_dot_assignment):
3593         Initialize if necessary.
3594
3595         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3596         program headers with no load segment if there is a linker script.
3597
3598         * layout.cc (Layout::set_segment_offsets): Align the file offset
3599         to the segment aligment for -N or -n with no load segment.
3600         * output.cc (Output_segment::add_output_section): Don't crash if
3601         the first section is a TLS section.
3602         (Output_segment::set_section_list_addresses): Print an error
3603         message if the address moves backward in a linker script.
3604         * script-sections.cc
3605         (Output_section_element_input::set_section_addresses): Don't
3606         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3607         (Orphan_output_section::set_section_addresses): Likewise.
3608
3609 2009-10-15  Doug Kwan  <dougkwan@google.com>
3610
3611         * layout.cc (Layout::finish_dynamic_section): Generate tags
3612         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3613         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3614         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3615
3616 2009-10-14  Ian Lance Taylor  <iant@google.com>
3617
3618         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3619         fields.
3620         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3621         data_shdr fields of relinfo.
3622         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3623         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3624         R_386_TLS_LDO_32, adjust based on section flags.
3625         (Target_i386::Relocate::fix_up_ldo): Remove.
3626
3627 2009-10-13  Ian Lance Taylor  <iant@google.com>
3628
3629         Add support for -pie.
3630         * options.h (class General_options): Add -pie and
3631         --pic-executable.
3632         (General_options::output_is_position_independent): Test -pie.
3633         (General_options::output_is_executable): Return true if not shared
3634         and not relocatable.
3635         (General_options::output_is_pie): Remove.
3636         * options.cc (General_options::finalize): Reject incompatible uses
3637         of -pie.
3638         * gold.cc (queue_middle_tasks): A -pie link is not static.
3639         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3640         * symtab.cc (Symbol::final_value_is_known): Return false if
3641         output_is_position_independent.
3642         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3643         output_is_position_independent.
3644         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3645         output_is_position_independent.
3646         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3647         output_is_position_independent.
3648         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3649         two_file_pie_test.
3650         (basic_pie_test.o, basic_pie_test): New targets.
3651         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3652         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3653         (two_file_pie_test): New target.
3654         * testsuite/Makefile.in: Rebuild.
3655         * README: Remove note saying that -pie is not supported.
3656
3657 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3658
3659         * options.h (class General_options): Add -init and -fini.
3660         * layout.cc (Layout::finish_dynamic_section): Emit
3661         given init and fini functions.
3662
3663 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3664
3665         * gc.h (gc_process_relocs): Check if icf is enabled using new
3666         function.
3667         * gold.cc (queue_initial_tasks): Likewise.
3668         (queue_middle_tasks): Likewise.
3669         * object.cc (do_layout): Likewise.
3670         * symtab.cc (is_section_folded): Likewise.
3671         * main.cc (main): Likewise.
3672         * reloc.cc (Read_relocs::run): Likewise.
3673         (Sized_relobj::do_scan_relocs): Likewise.
3674         * icf.cc (is_function_ctor_or_dtor): New function.
3675         (Icf::find_identical_sections): Check if function is ctor or dtor when
3676         safe icf is chosen.
3677         * options.h (General_options::icf): Change option to be an enum.
3678         (Icf_status): New enum.
3679         (icf_enabled): New method.
3680         (icf_safe_folding): New method.
3681         (set_icf_status): New method.
3682         (icf_status_): New variable.
3683         * (options.cc) (General_options::finalize): Set icf_status_.
3684         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3685         icf_test and icf_keep_unique_test to use the --icf enum flag.
3686         * testsuite/icf_safe_test.sh: New file.
3687         * testsuite/icf_safe_test.cc: New file.
3688
3689 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3690
3691         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3692         includes to gc.h and icf.h.
3693         * arm.cc: Include gc.h.
3694         * gold.cc: Likewise.
3695         * i386.cc: Likewise.
3696         * powerpc.cc: Likewise.
3697         * sparc.cc: Likewise.
3698         * x86_64.cc: Likewise.
3699         * gc.h: Include icf.h.
3700
3701 2009-10-11  Ian Lance Taylor  <iant@google.com>
3702
3703         * plugin.cc: Include "gold.h" before other header files.
3704
3705 2009-10-10  Chris Demetriou  <cgd@google.com>
3706
3707         * options.h (Input_file_argument::Input_file_type): New enum.
3708         (Input_file_argument::is_lib_): Replace with...
3709         (Input_file_argument::type_): New member.
3710         (Input_file_argument::Input_file_argument): Take Input_file_type
3711         'type' rather than boolean 'is_lib' as second argument.
3712         (Input_file_argument::is_lib): Use type_.
3713         (Input_file_argument::is_searched_file): New function.
3714         (Input_file_argument::may_need_search): Handle is_searched_file.
3715         * options.cc (General_options::parse_library): Support -l:filename.
3716         (General_options::parse_just_symbols): Update for Input_file_argument
3717         changes.
3718         (Command_line::process): Likewise.
3719         * archive.cc (Archive::get_file_and_offset): Likewise.
3720         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3721         * script.cc (read_script_file, script_add_file): Likewise.
3722         * fileread.cc (Input_file::Input_file): Likewise.
3723         (Input_file::will_search_for): Handle is_searched_file.
3724         (Input_file::open): Likewise.
3725         * readsyms.cc (Read_symbols::get_name): Likewise.
3726         * testsuite/Makefile.am (searched_file_test): New test.
3727         * testsuite/Makefile.in: Regenerate.
3728         * testsuite/searched_file_test.cc: New file.
3729         * testsuite/searched_file_test_lib.cc: New file.
3730
3731 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3732             Ian Lance Taylor  <iant@google.com>
3733
3734         * descriptor.cc: Include <cstdio> and "binary-io.h".
3735         (Descriptors::open): Open the files in binary mode always.
3736         * script.cc (Lex::get_token): Treat \r as whitespace.
3737
3738 2009-10-09  Ian Lance Taylor  <iant@google.com>
3739
3740         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3741
3742 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3743             Ian Lance Taylor  <iant@google.com>
3744
3745         * configure.ac: Check for readv function also.
3746         * fileread.cc (readv): Define if not HAVE_READV.
3747         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3748         does not exist.
3749         * config.in: Regenerate.
3750         * configure: Regenerate.
3751
3752 2009-10-09  Doug Kwan  <dougkwan@google.com>
3753
3754         * layout.cc (Layout::make_output_section): Call target hook to make
3755         ordinary output section.
3756         (Layout::finalize): Adjust parameter list of call the
3757         Target::may_relax().
3758         * layout.h (class Layout::section_list): New method.
3759         * merge.h (Output_merge_base::entsize): Change visibility to public.
3760         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3761         New methods.
3762         (Output_merge_string::do_is_string): New method.
3763         * object.cc (Sized_relobj::do_setup): renamed from
3764         Sized_relobj::set_up.
3765         * object.h (Sized_relobj::adjust_shndx,
3766         Sized_relobj::initializ_input_to_output_maps,
3767         Sized_relobj::free_input_to_output_maps): Change visibilities to
3768         protected.
3769         (Sized_relobj::setup): Virtualize.
3770         (Sized_relobj::do_setup): New method declaration.
3771         (Sized_relobj::invalidate_section_offset,
3772         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3773         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3774         * options.cc (parse_int): New function.
3775         * options.h (parse_int): New declaration.
3776         (DEFINE_int): New macro.
3777         (stub_group_size): New option.
3778         * output.cc (Output_section::Output_section): Initialize memebers
3779         merge_section_map_, merge_section_by_properties_map_,
3780         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3781         (Output_section::add_input_section): Handled deferred code-fill
3782         generation and remove an old comment.
3783         (Output_section::add_relaxed_input_section): New method definition.
3784         (Output_section::add_merge_input_section): Use merge section by
3785         properties map to speed to search.  Update merge section maps
3786         as appropriate.
3787         (Output_section::build_relaxation_map): New method definition.
3788         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3789         Same.
3790         (Output_section::relax_input_section): Renamed to
3791         Output_section::convert_input_sections_to_relaxed_sections and change
3792         interface to take a vector of pointers to relaxed sections.
3793         (Output_section::find_merge_section,
3794         Output_section::find_relaxed_input_section): New method definitions.
3795         (Output_section::is_input_address_mapped,
3796         Output_section::output_offset, Output_section::output_address):
3797         Use output section data maps to speed up searching.
3798         (Output_section::find_starting_output_address): Add comments.
3799         (Output_section::do_write,
3800         Output_section::write_to_postprocessing_buffer): Do code-fill
3801         generation as appropriate.
3802         (Output_section::get_input_sections): Invalidate relaxed input section
3803         map.
3804         (Output_section::restore_states): Adjust type of checkpoint .
3805         Invalidate relaxed input section map.
3806         * output.h (Output_merge_base): New class declaration.
3807         (Input_section_specifier): New class defintion.
3808         (class Output_relaxed_input_section) Change base class to
3809         Output_section_data_build.
3810         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3811         base class initializer.
3812         (Output_section::add_relaxed_input_section): New method declaration.
3813         (Output_section::Input_section): Change visibility to protected.
3814         (Output_section::Input_section::relobj,
3815         Output_section::Input_section::shndx): Handle relaxed input sections.
3816         Output_section::input_sections) Change visibility to protected.  Also
3817         define overload to return a non-const pointer.
3818         (Output_section::Merge_section_properties): New class defintion.
3819         (Output_section::Merge_section_by_properties_map,
3820         Output_section::Output_section_data_by_input_section_map,
3821         Output_section::Relaxation_map): New types.
3822         (Output_section::relax_input_section): Rename method to
3823         Output_section::convert_input_sections_to_relaxed_sections and change
3824         interface to take a vector of relaxed section pointers.
3825         (Output_section::find_merge_section,
3826         Output_section::find_relaxed_input_section,
3827         Output_section::build_relaxation_map,
3828         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3829         New method declarations.
3830         (Output_section::merge_section_map_
3831         Output_section::merge_section_by_properties_map_,
3832         Output_section::relaxed_input_section_map_,
3833         Output_section::is_relaxed_input_section_map_valid_,
3834         Output_section::generate_code_fills_at_write_): New data members.
3835         * script-sections.cc
3836         (Output_section_element_input::set_section_addresses): Call
3837         current_data_size and addralign methods of relaxed input sections.
3838         (Orphan_output_section::set_section_addresses): Call current_data_size
3839         and addralign methods of relaxed input sections.
3840         * symtab.cc (Symbol_table::compute_final_value): Extract template
3841         from the body of Symbol_table::sized_finalize_symbol.
3842         (Symbol_table::sized_finalized_symbol): Call
3843         Symbol_table::compute_final_value.
3844         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3845         (Symbol_table::compute_final_value): New templated method declaration.
3846         * target.cc (Target::do_make_output_section): New method defintion.
3847         * target.h (Target::make_output_section): New method declaration.
3848         (Target::relax): Add more parameters for input objects, symbol table
3849         and layout.  Adjust call to do_relax.
3850         (Target::do_make_output_section): New method declaration.
3851         (Target::do_relax): Add parameters for input objects, symbol table
3852         and layout.
3853
3854 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3855
3856         * pread.c: Include stdio.h.
3857
3858 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3859
3860         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3861         defined.
3862
3863 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3864
3865         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3866         Change read_shndx type to unsigned int.
3867         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3868         int.
3869         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3870         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3871         Change read_shndx type to unsigned int.
3872         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3873         int.
3874         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3875         * layout.cc (Layout::create_symtab_sections): Cast the result of
3876         local_symcount * symsize to off_t in the gold_assert.
3877
3878 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3879
3880         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3881         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3882         R_ARM_BASE_ABS.
3883         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3884         (Arm_relocate_functions::thm_abs5): New function.
3885         (Arm_relocate_functions::abs12): New function.
3886         (Arm_relocate_functions::abs16): New function.
3887         (Arm_relocate_functions::base_abs): New function.
3888         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3889         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3890         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3891         R_ARM_BASE_ABS.
3892         (Scan::global): Likewise.
3893         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3894         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3895         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3896         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3897         R_ARM_BASE_ABS.
3898
3899 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3900
3901         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3902         (Arm_relocate_functions::movt_prel): New function.
3903         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3904         (Arm_relocate_functions::thm_movt_prel): New function.
3905         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3906         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3907         (Scan::global, Relocate::relocate): Likewise.
3908         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3909
3910 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3911
3912         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3913         Incremental_checker.
3914         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3915         unsigned int.
3916         (class Incremental_inputs_header): New class.
3917         (Incremental_inputs_header_writer): Edit comment.
3918         (Incremental_inputs_entry): New class.
3919         (Incremental_inputs_entry_writer): Edit comment.
3920         (Sized_incremental_binary::do_find_incremental_inputs_section):
3921         Add *strtab_shndx parameter, fill it.
3922         (Sized_incremental_binary::do_check_inputs): New method.
3923         (Incremental_checker::can_incrementally_link_output_file): Use
3924         Sized_incremental_binary::check_inputs.
3925         (Incremental_inputs::report_command_line): Save command line in
3926         command_line_.
3927         * incremental.h:
3928         (Incremental_binary::find_incremental_inputs_section): New
3929         method.
3930         (Incremental_binary::do_find_incremental_inputs_section): Add
3931         strtab_shndx parameter.
3932         (Incremental_binary::do_check_inputs): New pure virtual method.
3933         (Sized_incremental_binary::do_check_inputs): Declare.
3934         (Incremental_checker::Incremental_checker): Add incremental_inputs
3935         parameter, use it to initialize incremental_inputs_.
3936         (Incremental_checker::incremental_inputs_): New field.
3937         (Incremental_checker::command_line): New method.
3938         (Incremental_checker::inputs): New method.
3939         (Incremental_checker::command_line_): New field.
3940
3941 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3942
3943         * incremental.cc: Include <cstdarg> and "target-select.h".
3944         (vexplain_no_incremental): New function.
3945         (explain_no_incremental): New function.
3946         (Incremental_binary::error): New method.
3947         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3948         method.
3949         (make_sized_incremental_binary): New function.
3950         (open_incremental_binary): New function.
3951         (can_incrementally_link_file): Add checks if output is ELF and has
3952         inputs section.
3953         * incremental.h: Include "elfcpp_file.h" and "output.h".
3954         (Incremental_binary): New class.
3955         (Sized_incremental_binary): New class.
3956         (open_incremental_binary): Declare.
3957         * object.cc (is_elf_object): Use
3958         elfcpp::Elf_recognizer::is_elf_file.
3959         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3960         * output.h (Output_file::filesize): New method.
3961
3962 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3963
3964         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3965         New function.
3966         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3967         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3968         function.
3969         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3970         function.
3971         (Arm_relocate_functions::movw_abs_nc): New function.
3972         (Arm_relocate_functions::movt_abs): New function.
3973         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3974         (Arm_relocate_functions::thm_movt_abs): New function.
3975         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3976         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3977         (Scan::global): Likewise.
3978         (Relocate::relocate): Likewise.
3979         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3980
3981 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3982
3983         * arm.cc (Arm_relocate_functions::got_prel) New function.
3984         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3985         (Relocate::relocate): Likewise.
3986         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3987
3988 2009-10-06  Ian Lance Taylor  <iant@google.com>
3989
3990         * options.h (class General_options): Define
3991         split_stack_adjust_size parameter.
3992         * object.h (class Object): Add uses_split_stack_ and
3993         has_no_split_stack_ fields.  Add uses_split_stack and
3994         has_no_split_stack accessor functions.  Declare
3995         handle_split_stack_section.
3996         (class Reloc_symbol_changes): Define.
3997         (class Sized_relobj): Define Function_offsets.  Declare
3998         split_stack_adjust, split_stack_adjust_reltype, and
3999         find_functions.
4000         * object.cc (Object::handle_split_stack_section): New function.
4001         (Sized_relobj::do_layout): Call handle_split_stack_section.
4002         * dynobj.cc (Sized_dynobj::do_layout): Call
4003         handle_split_stack_section.
4004         * reloc.cc (Sized_relobj::relocate_sections): Call
4005         split_stack_adjust for executable sections in split_stack
4006         objects.  Pass reloc_map to relocate_section.
4007         (Sized_relobj::split_stack_adjust): New function.
4008         (Sized_relobj::split_stack_adjust_reltype): New function.
4009         (Sized_relobj::find_functions): New function.
4010         * target-reloc.h: Include "object.h".
4011         (relocate_section): Add reloc_symbol_changes parameter.  Change
4012         all callers.
4013         * target.h (class Target): Add calls_non_split method.  Declare
4014         do_calls_non_split virtual method.  Declare match_view and
4015         set_view_to_nop.
4016         * target.cc: Include "elfcpp.h".
4017         (Target::do_calls_non_split): New function.
4018         (Target::match_view): New function.
4019         (Target::set_view_to_nop): New function.
4020         * gold.cc (queue_middle_tasks): Give an error if mixing
4021         split-stack and non-split-stack objects with -r.
4022         * i386.cc (Target_i386::relocate_section): Add
4023         reloc_symbol_changes parameter.
4024         (Target_i386::do_calls_non_split): New function.
4025         * x86_64.cc (Target_x86_64::relocate_section): Add
4026         reloc_symbol_changes parameter.
4027         (Target_x86_64::do_calls_non_split): New function.
4028         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
4029         parameter.
4030         * powerpc.cc (Target_powerpc::relocate_section): Add
4031         reloc_symbol_changes parameter.
4032         * sparc.cc (Target_sparc::relocate_section): Add
4033         reloc_symbol_changes parameter.
4034         * configure.ac: Call AM_CONDITIONAL for the default target.
4035         * configure: Rebuild.
4036         * testsuite/Makefile.am (TEST_AS): New variable.
4037         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
4038         (check_DATA): Add split_i386 and split_x86_64 files.
4039         (SPLIT_DEFSYMS): Define.
4040         (split_i386_[1234n].o): New targets.
4041         (split_i386_[124]): New targets.
4042         (split_i386_[1234r].stdout): New targets.
4043         (split_x86_64_[1234n].o): New targets.
4044         (split_x86_64_[124]): New targets.
4045         (split_x86_64_[1234r].stdout): New targets.
4046         (MOSTLYCLEANFILES): Add new executables.
4047         * testsuite/split_i386.sh: New file.
4048         * testsuite/split_x86_64.sh: New file.
4049         * testsuite/split_i386_1.s: New file.
4050         * testsuite/split_i386_2.s: New file.
4051         * testsuite/split_i386_3.s: New file.
4052         * testsuite/split_i386_4.s: New file.
4053         * testsuite/split_i386_n.s: New file.
4054         * testsuite/split_x86_64_1.s: New file.
4055         * testsuite/split_x86_64_2.s: New file.
4056         * testsuite/split_x86_64_3.s: New file.
4057         * testsuite/split_x86_64_4.s: New file.
4058         * testsuite/split_x86_64_n.s: New file.
4059         * testsuite/testfile.cc (Target_test): Update relocation_section
4060         function.
4061         * testsuite/Makefile.in: Rebuild.
4062
4063 2009-10-06  Ian Lance Taylor  <iant@google.com>
4064
4065         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
4066         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
4067         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
4068         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
4069         the address on ldo_addrs_.
4070         (Target_i386::Relocate::fix_up_ldo): New function.
4071
4072 2009-10-06   Rafael Espindola  <espindola@google.com>
4073
4074         * plugin.cc (add_input_library): New.
4075         (Plugin::load): Add add_input_library to tv.
4076         (Plugin_manager::add_input_file): Add the is_lib argument.
4077         (add_input_file): Update call to Plugin_manager::add_input_file.
4078         (add_input_library): New.
4079         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
4080
4081 2009-09-30  Doug Kwan  <dougkwan@google.com>
4082
4083         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
4084         symbol and call Symbol::may_need_copy_reloc to determine if
4085         a copy reloc is needed.
4086         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
4087         nocopyreloc is given in command line.
4088         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
4089         given in command line.
4090         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
4091         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
4092         of the removed Target_i386::may_need_copy_reloc.
4093         * options.h (copyreloc): New option with default value false.
4094         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4095         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
4096         instead of the removed Target_powerpc::may_need_copy_reloc.
4097         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4098         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
4099         instead of the removed Target_sparc::may_need_copy_reloc.
4100         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
4101         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
4102         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
4103         instead of the removed Target_x86_64::may_need_copy_reloc.
4104
4105 2009-09-30  Ian Lance Taylor  <iant@google.com>
4106
4107         * object.h (class Object): Remove target_ field, and target,
4108         sized_target, and set_target methods.
4109         (Object::sized_target): Remove.
4110         (class Sized_relobj): Update declarations.  Remove sized_target.
4111         * object.cc (Sized_relobj::setup): Remove target parameter.
4112         Change all callers.
4113         (Input_objects::add_object): Don't do anything with the target.
4114         (make_elf_sized_object): Add punconfigured parameter.  Change all
4115         callers.  Set or test parameter target.
4116         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
4117         Change all callers.
4118         * parameters.cc (Parameters::set_target): Change parameter type to
4119         be non-const.
4120         (Parameters::default_target): Remove.
4121         (set_parameters_target): Change parameter type to be non-const.
4122         (parameters_force_valid_target): New function.
4123         (parameters_clear_target): New function.
4124         * parameters.h (class Parameters): Update declarations.  Remove
4125         default_target method.  Add sized_target and clear_target
4126         methods.  Change target_ to be non-const.
4127         (set_parameters_target): Update declaration.
4128         (parameters_force_valid_target): Declare.
4129         (parameters_clear_target): Declare.
4130         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
4131         as NULL if we aren't searching.
4132         (Add_symbols::run): Don't check for compatible target.
4133         * fileread.cc (Input_file::open_binary): Call
4134         parameters_force_valid_target.
4135         * gold.cc (queue_middle_tasks): Likewise.
4136         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
4137         set_target on object.
4138         * dynobj.h (class Sized_dynobj): Update declarations.
4139         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4140         make_elf_object returns NULL.
4141         (Archive::include_member): Don't check whether object target is
4142         compatible.
4143         * output.cc (Output_section::add_input_section): Get target from
4144         parameters.
4145         (Output_section::relax_input_section): Likewise.
4146         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4147         parameters.
4148         (Sized_relobj::do_scan_relocs): Likewise.
4149         (Sized_relobj::relocate_sections): Likewise.
4150         * resolve.cc (Symbol_table::resolve): Likewise.
4151         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
4152         parameter.  Change all callers.
4153         (Symbol_table::add_from_object): Get target from parameters.
4154         (Symbol_table::add_from_relobj): Don't check object target.
4155         (Symbol_table::add_from_dynobj): Likewise.
4156         (Symbol_table::define_special_symbol): Get target from
4157         parameters.
4158         * symtab.h (class Symbol_table): Update declaration.
4159         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4160         parameter.  Change all callers.  Clear parameter target.
4161         (Binary_test): Test target here.
4162         * testsuite/object_unittest.cc (gold_testsuite): Remove
4163         target_test_pointer parameter.  Change all callers.
4164         (Object_test): Test target here.
4165
4166 2009-09-26  Ian Lance Taylor  <iant@google.com>
4167
4168         * testsuite/initpri1.c: Don't try to use constructor priorities if
4169         compiling with gcc before 4.3.
4170
4171 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
4172
4173         * testsuite/retain_symbols_file_test.sh (check_present): Change
4174         output file name to retain_symbols_file_test.stdout.
4175         (check_absent): Likewise.
4176
4177 2009-09-18  Craig Silverstein  <csilvers@google.com>
4178
4179         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4180         * options.cc: Include <cerrno> and <fstream>.
4181         (General_options::finalize): Parse -retain-symbols-file tag.
4182         * options.h: New flag.
4183         (General_options): New method should_retain_symbol, new
4184         variable symbols_to_retain.
4185         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4186         should_retain_symbol map.
4187         * testsuite/Makefile.am (retain_symbols_file_test): New test.
4188         * testsuite/Makefile.in: Regenerate.
4189         * testsuite/retain_symbols_file_test.sh: New file.
4190
4191 2009-09-18  Nick Clifton  <nickc@redhat.com>
4192
4193         * po/es.po: Updated Spanish translation.
4194
4195 2009-09-17  Doug Kwan  <dougkwan@google.com>
4196
4197         * debug.h (DEBUG_RELAXATION): New constant.
4198         (DEBUG_ALL): Add DEBUG_RELAXATION.
4199         (debug_string_to_enum): Add relaxation debug option.
4200         * layout.cc
4201         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4202         Layout::Relaxation_debug_check::read_sections,
4203         Layout::Relaxation_debug_check::read_sections): New method definitions.
4204         (Layout::Layout): Initialize data members
4205         record_output_section_data_from_scrips_,
4206         script_output_section_data_list_ and relaxation_debug_check_.
4207         (Layout::save_segments, Layout::restore_segments,
4208         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4209         Layout::relaxation_loop_body): New method definitions.
4210         (Layout::finalize): Support relaxation.  Move section layout code to
4211         Layout::relaxation_loop_body.
4212         (Layout::set_asection_address_from_script): Move code for orphan
4213         section placement out.
4214         (Layout::place_orphan_sections_in_script): New method definition.
4215         * layout.h (Output_segment_headers, Output_file_header):
4216         New forward class declarations.
4217         (Layout::~Layout): Define.
4218         (Layout::new_output_section_data_from_script): New method definition.
4219         (Layout::place_orphan_sections_in_script): New method declaration.
4220         (Layout::Segment_states): New type declaration.
4221         (Layout::save_segments, Layout::restore_segments,
4222         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4223         Layout::relaxation_loop_body): New method declarations.
4224         (Layout::Output_section_data_list): New type declaration.
4225         (Layout::Relaxation_debug_check): New class definition.
4226         (Layout::record_output_section_data_from_script_,
4227         Layout::script_output_section_data_list_, Layout::segment_states_,
4228         Layout::relaxation_debug_check_): New data members.
4229         * output.cc: (Output_section_headers::do_size): New method definition.
4230         (Output_section_headers::Output_section_headers): Move size
4231         computation to Output_section_headers::do_size.
4232         (Output_segment_headers::do_size): New method definition.
4233         (Output_file_header::Output_file_header): Move size computation to
4234         Output_file_header::do_size and call it.
4235         (Output_file_header::do_size): New method definition.
4236         (Output_data_group::Output_data_group): Adjust call to
4237         Output_section_data.
4238         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4239         (Output_symtab_xindex::do_write): Add array bound check.
4240         (Output_section::Input_section::print_to_mapfile): Handle
4241         RELAXED_INPUT_SECTION_CODE.
4242         (Output_section::Output_section): Initialize data member checkpoint_.
4243         (Output_section::~Output_section): Delete checkpoint object pointed
4244         by checkpoint_.
4245         (Output_section::add_input_section): Always add an Input_section if
4246         relaxing.
4247         (Output_section::add_merge_input_section): Add assert.
4248         (Output_section::relax_input_section): New method definition.
4249         (Output_section::set_final_data_size): Set load address to zero for
4250         an unallocated section.
4251         (Output_section::do_address_and_file_offset_have_reset_values):
4252         New method definition.
4253         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4254         Handle relaxed input section.
4255         (Output_section::sort_attached_input_sections): Checkpoint input
4256         section list lazily.
4257         (Output_section::get_input_sections): Change type of input_sections to
4258         list of Simple_input_section pointers.  Checkpoint input section list
4259         lazily.  Also handle relaxed input sections.
4260         (Output_section::add_input_section_for_script): Take a reference to
4261         a Simple_input_section object instead of Relobj pointer and section
4262         index as parameter.  Handle relaxed input sections.
4263         (Output_section::save_states, Output_section::restore_states): New
4264         method definitions.
4265         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4266         (Output_data::is_data_size_fixed): New method definition.
4267         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4268         if it is fixed.
4269         (Output_data::address_and_file_offset_have_reset_values): New method
4270         definition.
4271         (Output_data::do_address_and_file_offset_have_reset_values): New method
4272         definition.
4273         (Output_data::set_data_size): Check that data size is not fixed.
4274         (Output_data::fix_data_size): New method definition.
4275         (Output_data::is_data_size_fixed_): New data member.
4276         (Output_section_headers::set_final_data_size): New method definition.
4277         (Output_section_headers::do_size): New method declaration.
4278         (Output_segment_headers::set_final_data_size): New method definition.
4279         (Output_segment_headers::do_size): New method declaration.
4280         (Output_file_header::set_final_data_size)::New method definition.
4281         (Output_file_header::do_size)::New method declaration.
4282         (Output_section_data::Output_section_data): Add new parameter
4283         is_data_size_fixed and use it to fix data size.
4284         (Output_data_const::Output_data_const): Adjust call to base class
4285         constructor and fix data size.
4286         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4287         base class constructor and fix data size.
4288         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4289         base class constructor and fix data size.
4290         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4291         class constructor and fix data size.
4292         (Output_data_group::set_final_data_size): New method definition.
4293         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4294         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4295         class constructor and fix data size.
4296         (Output_relaxed_input_section): New class definition.
4297         (Output_section::Simple_input_section): New class definition.
4298         (Output_section::get_input_sections): Adjust parameter list.
4299         (Output_section::add_input_section_for_script): Same.
4300         (Output_section::save_states, Output_section::restore_states,
4301         Output_section::do_address_and_file_offset_have_reset_values,
4302         (Output_section::Input_section::Input_section): Handle
4303         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4304         Output_relaxed_input_section.
4305         (Output_section::Input_section::is_input_section,
4306         Output_section::Input_section::set_output_section): Handle relaxed
4307         input section.
4308         (Output_section::Input_section::is_relaxed_input_section,
4309         Output_section::Input_section::output_section_data,
4310         Output_section::Input_section::relaxed_input_section): New method
4311         definitions.
4312         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4313         value.
4314         (Output_section::Input_section::u1_): Update comments.
4315         (Output_section::Input_section::u2_): Add new union member poris.
4316         (Output_section::Checkpoint_output_section): New classs definition.
4317         (Output_section::relax_input_section): New method declaration.
4318         (Output_section::checkpoint_): New data member.
4319         (Output_segment): Update comments.
4320         (Output_segment::Output_segment): Un-privatize copy constructor.
4321         (Output_segment::operator=): Un-privatize.
4322         * script-sections.cc (Output_section_element::Input_section_list):
4323         Change element type to Output_section::Simple_input_section.
4324         (Output_section_element_dot_assignment::set_section_addresses):
4325         Register output section data for relaxation clean up.
4326         (Output_data_exression::Output_data_expression): Adjust call to base
4327         constructor to fix data size.
4328         (Output_section_element_data::set_section_addresses): Register
4329         Output_data_expression object for relaxation clean up.
4330         (struct Input_section_info): Replace Relobj pointer and section index
4331         pair with Output_section::Simple_input_section and Convert struct to a
4332         class.
4333         (Input_section_sorter::operator()): Adjust access to
4334         Input_section_info data member to use accessors.
4335         (Output_section_element_input::set_section_addresses): Use layout
4336         parameter.  Adjust code to use Output_section::Simple_input_section
4337         and Input_secction_info classes.  Register filler for relaxation
4338         clean up.
4339         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4340         and section index pair with Output_section::Simple_input_section
4341         class.  Adjust code accordingly.
4342         (Phdrs_element::release_segment): New method definition.
4343         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4344         segment list.
4345         (Script_sections::release_segments): New method definition.
4346         * gold/script-sections.h (Script_sections::release_segments): New
4347         method declaration.
4348         * gold/target.h (Target::may_relax, Target::relax,
4349         Target::do_may_relax, Target::do_relax): New method definitions.
4350
4351 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4352
4353         * arm.cc (has_signed_unsigned_overflow): New function.
4354         (Arm_relocate_functions::abs8): New function.
4355         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4356         (Target_arm::Scan::global): Likewise.
4357         (Target_arm::relocate::relocate): Likewise.
4358         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4359         Likewise.
4360
4361 2009-09-16  Cary Coutant  <ccoutant@google.com>
4362
4363         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4364         * testsuite/Makefile.in: Regenerate.
4365
4366 2009-09-11  Nick Clifton  <nickc@redhat.com>
4367
4368         * po/gold.pot: Updated by the Translation project.
4369
4370 2009-09-08  Cary Coutant  <ccoutant@google.com>
4371
4372         * output.cc (Output_file::open): Add execute permission to empty file.
4373         * testsuite/Makefile.am (permission_test): New test.
4374         * testsuite/Makefile.in: Regenerate.
4375
4376 2009-09-02  Ian Lance Taylor  <iant@google.com>
4377
4378         * output.cc (Output_file::resize): Call map_no_anonymous rather
4379         than map.
4380
4381 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4382
4383         * gold.cc: Include "incremental.h".
4384         (queue_initial_tasks): Call Incremental_checker methods.
4385         * incremental.cc: Include "output.h".
4386         (Incremental_checker::can_incrementally_link_output_file): New
4387         method.
4388         * incremental.h (Incremental_checker): New class.
4389
4390         * output.cc (Output_file::open_for_modification): New method.
4391         (Output_file::map_anonymous): Changed return type to bool.  Record
4392         map in base_ field.
4393         (Output_file::map_no_anonymous): New method, broken out of map.
4394         (Output_file::map): Use map_no_anonymous and map_anonymous.
4395         * output.h (class Output_file): Update declarations.
4396
4397 2009-08-24  Cary Coutant  <ccoutant@google.com>
4398
4399         * options.h (Command_line::Pre_options): New class.
4400         (Command_line::pre_options): New member.
4401         * options.cc (gold::options::ready_to_register): New variable.
4402         (One_option::register_option): Do nothing if not registering options.
4403         Assert if same short option registered twice.
4404         (General_options::General_options): Turn off option registration when
4405         done constructing.
4406         (Command_line::Pre_options::Pre_options): New constructor.
4407
4408 2009-08-24  Cary Coutant  <ccoutant@google.com>
4409
4410         * options.h (General_options::no_keep_memory): Remove incorrect
4411         short option.
4412
4413 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4414
4415         * Makefile.am (am__skiplex, am__skipyacc): New.
4416         * Makefile.in: Regenerate.
4417
4418 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4419
4420         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4421         (INCLUDES): ... this.
4422         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4423         (AM_CPPFLAGS): Renamed from ...
4424         (INCLUDE): ... this.
4425         * Makefile.in, testsuite/Makefile.in: Regenerate.
4426
4427         * Makefile.in: Regenerate.
4428         * aclocal.m4: Likewise.
4429         * config.in: Likewise.
4430         * configure: Likewise.
4431         * testsuite/Makefile.in: Likewise.
4432
4433         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4434         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4435         * Makefile.in: Regenerate.
4436         * testsuite/Makefile.in: Regenerate.
4437
4438 2009-08-19  Cary Coutant  <ccoutant@google.com>
4439
4440         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4441         symbols in shared libraries overridden by hidden or internal symbols
4442         in the main program.
4443
4444 2009-08-19  Chris Demetriou  <cgd@google.com>
4445
4446         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4447         checking source file names in error messages.
4448
4449 2009-08-18  Doug Kwan  <dougkwan@google.com>
4450
4451         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4452         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4453         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4454         an elfcpp::Ehdr as parameter.
4455         * object.cc (Object::set_target): Remove the version that looks up
4456         a target and sets it.
4457         (Sized_relobj::setup): Take a Target object instead of
4458         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4459         (make_elf_sized_object): Find target and ask target to
4460         make an ELF object.
4461         * object.h: (Object::set_target): Remove the version that looks up
4462         a target and sets it.
4463         (Sized_relobj::setup): Take a Target object instead of
4464         an elfcpp:Ehdr as parameter.
4465         * target.cc: Include dynobj.h.
4466         (Target::do_make_elf_object_implementation): New.
4467         (Target::do_make_elf_object): New.
4468         * target.h (Target::make_elf_object): New template declaration.
4469         (Target::do_make_elf_object): New method declarations.
4470         (Target::do_make_elf_object_implementation): New template declaration.
4471
4472 2009-08-14  Ian Lance Taylor  <iant@google.com>
4473
4474         * gold.h (FUNCTION_NAME): Define.
4475         (gold_unreachable): Use FUNCTION_NAME.
4476
4477 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4478
4479         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4480         symbol in the --keep-unique list is not found.
4481
4482 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4483
4484         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4485         been maked as --keep-unique.
4486         (Icf::unfold_section): New function.
4487         * icf.h (Icf::unfold_section): New function.
4488         * options.h (General_options::keep_unique): New option.
4489         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4490         * testsuite/Makefile.in: Regenerate.
4491         * testsuite/icf_keep_unique_test.sh: New file.
4492         * testsuite/icf_keep_unique_test.cc: New file.
4493
4494 2009-08-12  Cary Coutant  <ccoutant@google.com>
4495
4496         PR 10471
4497         * resolve.cc (Symbol_table::resolve): Check for references from
4498         dynamic objects to hidden and internal symbols.
4499         * testsuite/Makefile.am (hidden_test.sh): New test.
4500         * testsuite/Makefile.in: Regenerate.
4501         * testsuite/hidden_test.sh: New script.
4502         * testsuite/hidden_test_1.c: New test source.
4503         * testsuite/hidden_test_main.c: New test source.
4504
4505 2009-08-11  Doug Kwan  <dougkwan@google.com>
4506
4507         * arm.cc: Update comments.
4508         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4509         segment to locate the .ARM.exidx section if present.
4510
4511 2009-08-09  Doug Kwan  <dougkwan@google.com>
4512
4513         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4514         patch.
4515
4516 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4517         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4518         compiler warnings.
4519
4520 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4521
4522         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4523         valid tls_segment only for non-debug-section relocations.
4524         * testsuite/Makefile.am: Add gc_tls_test.
4525         * testsuite/Makefile.in: Regenerate.
4526         * testsuite/gc_tls_test.cc: New file.
4527         * testsuite/gc_tls_test.sh: New file.
4528
4529 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4530
4531         * icf.cc: New file.
4532         * icf.h: New file.
4533         * Makefile.am (CCFILES): Add icf.cc.
4534         (HFILES): Add icf.h
4535         * Makefile.in: Regenerate.
4536         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4537         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4538         section, symbol and addend information for the relocs.
4539         * gold.cc (queue_middle_tasks): Call identical code folding.
4540         * gold.h: Add defines for multimap.
4541         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4542         to the call of finalize_local_symbols.
4543         * main.cc (main): Create object of class Icf.
4544         * object.cc (Sized_relobj::do_layout): Allow this function to be
4545         called twice during icf.
4546         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4547         to sections marked as identical by icf.
4548         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4549         when available.
4550         (Sized_relobj::do_section_entsize): New function.
4551         * object.h (Object::section_entsize): New function.
4552         (Object::do_section_entsize): New pure virtual function.
4553         (Relobj::finalize_local_symbols): Add new parameter.
4554         (Relobj::do_section_entsize): New function.
4555         * options.h (General_options::icf): New option.
4556         (General_options::icf_iterations): New option.
4557         (General_options::print_icf_sections): New option.
4558         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4559         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4560         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4561         icf.
4562         * symtab.cc (Symbol_table::is_section_folded): New function.
4563         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4564         to sections marked as identical by icf.
4565         * symtab.h (Symbol_table::set_icf): New function.
4566         (Symbol_table::icf): New function.
4567         (Symbol_table::is_section_folded): New function.
4568         (Symbol_table::icf_): New data member.
4569         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4570         * testsuite/Makefile.am: Add commands to build icf_test.
4571         * testsuite/Makefile.in: Regenerate.
4572         * testsuite/icf_test.sh: New file.
4573         * testsuite/icf_test.cc: New file.
4574
4575 2009-07-24  Chris Demetriou  <cgd@google.com>
4576
4577         * layout.cc (is_compressible_debug_section): Fix incorrect
4578         comment about compressed section names.
4579
4580 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4581
4582         PR 10419
4583         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4584
4585 2009-07-16  Ian Lance Taylor  <iant@google.com>
4586
4587         PR 10400
4588         * layout.h: #include <map>.
4589         (class Kept_section): Change from struct to class.  Add accessors
4590         and setters.  Add section size to Comdat_group mapping.  Change
4591         Comdat_group to std::map.  Add is_comdat_ field.  Add
4592         linkonce_size field in union.
4593         (class Layout): Update declaration of find_or_add_kept_section.
4594         Don't declare find_kept_object.
4595         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4596         parameter.  Add object, shndx, is_comdat, and is_group_name
4597         parameters.  Change all callers.  Adjust for new Kept_section.
4598         (Layout::find_kept_object): Remove.
4599         * object.cc (Sized_relobj::include_section_group): Update use of
4600         Kept_section.  Rename secnum to shndx.  Only record
4601         Kept_comdat_section if sections are the same size.
4602         (Sized_relobj::include_linkonce_section): Update use of
4603         Kept_section.  Only record Kept_comdat_section if sections are the
4604         same size.  Set size of linkonce section.
4605         (Sized_relobj::map_to_kept_section): Update call to
4606         get_kept_comdat_section.
4607         * object.h (class Sized_relobj): Rename fields in
4608         Kept_comdat_section to drop trailing underscores; change object
4609         field to Relobj*.  Change Kept_comdat_section_table to store
4610         struct rather than pointer.
4611         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4612         Add kept_object and kept_shndx parameters.  Change all callers.
4613         (Sized_relobj::get_kept_comdat_section): Change return type to
4614         bool.  Add kept_object and kept_shndx parameters.  Change all
4615         callers.
4616         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4617         Layout::find_or_add_kept_section.
4618
4619 2009-07-09  Ian Lance Taylor  <iant@google.com>
4620
4621         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4622         Reserve space in the hash table.
4623
4624 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4625
4626         * fileread.cc (File_read::get_mtime): New method.
4627         * fileread.h (Timespec): New structure.
4628         (File_read::get_mtime): New method.
4629         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4630         Renamed from timestamp_nsec.
4631         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4632         Elf_Xword.
4633         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
4634         timestamp_nsec.
4635         (Incremental_inputs::report_archive): Save mtime; style fix.
4636         (Incremental_inputs::report_obejct): Save mtime; style fix.
4637         (Incremental_inputs::report_script): Save mtime; style fix.
4638         (Incremental_inputs::finalize_inputs): Style fix.
4639         (Incremental_inputs::finalize): Style fix.
4640         (Incremental_inputs::create_input_section_data): Store inputs
4641         mtime.
4642         * incremental.h (Incremental_inputs::report_script): Add mtime
4643         argument.
4644         (Incremental_inputs::Input_info::Input_info): Intialize only one
4645         union member.
4646         (Incremental_inputs::Input_info::archive): Move to nameless
4647         union.
4648         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4649         (Incremental_inputs::Input_info::script): Move to nameless union.
4650         (Incremental_inputs::mtime): New field.
4651         * script.cc (read_input_script): Pass file mtime to
4652         Incremental_input.
4653         * script.h (Script_info::inputs): Style fix.
4654
4655 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4656
4657         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4658         instead of 32.
4659
4660 2009-06-24  Ian Lance Taylor  <iant@google.com>
4661
4662         PR 10156
4663         * layout.cc (Layout::choose_output_section): If we find an
4664         existing section, update the flags.
4665         (Layout::create_notes): New function, broken out of
4666         Layout::finalize.
4667         (Layout::finalize): Don't create note sections.
4668         (Layout::create_note): Don't crash if linker script discards
4669         section.
4670         (Layout::create_gold_note): Likewise.
4671         (Layout::create_build_id): Likewise.  Don't set
4672         after_input_sections on the section.
4673         (Layout::create_executable_stack_info): Remove target parameter.
4674         Change caller.
4675         * layout.h (class Layout): Declare create_notes.  Update
4676         declaration of create_executable_stack_info.
4677         * gold.cc (queue_middle_tasks): Call create_notes.
4678         * output.cc (Output_section::update_flags_for_input_section): Move
4679         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4680         invalid.
4681         * output.h (Output_data::mark_address_invalid): New function.
4682         (class Output_section): Only declare, not define,
4683         update_flags_for_input_section.  Remove set_flags.
4684
4685 2009-06-24  Ian Lance Taylor  <iant@google.com>
4686
4687         * script-sections.cc (Output_section_definition::
4688         set_section_addresses): Rename shadowing local load_address to
4689         laddr.
4690
4691 2009-06-24  Ian Lance Taylor  <iant@google.com>
4692
4693         PR 10244
4694         * reloc.cc (relocate_sections): Skip empty relocation sections.
4695
4696 2009-06-23  Ian Lance Taylor  <iant@google.com>
4697
4698         PR 10156
4699         * layout.cc (Layout::create_note): Use choose_output_section
4700         rather than make_output_section.
4701
4702 2009-06-23  Ian Lance Taylor  <iant@google.com>
4703
4704         PR 10237
4705         * options.cc (General_options::parse_V): Set printed_version_.
4706         (General_options::General_options): Initialize printed_version_.
4707         * options.h (class General_options): Add printed_version_ field.
4708         * gold.cc (queue_initial_tasks): If there are no input files,
4709         don't give a fatal error if we printed the version information.
4710         (queue_middle_tasks): If using -r with a shared object, give a
4711         fatal error rather than an ordinary error.
4712
4713 2009-06-23  Ian Lance Taylor  <iant@google.com>
4714
4715         PR 10219
4716         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4717         (Layout::make_output_section): Set have_stabstr_section_ if we see
4718         a .stab*str section.
4719         (Layout::finalize): Call link_stabs_sections.
4720         (Layout::link_stabs_sections): New file.
4721         * layout.h (class Layout): Add have_stabstr_section_ field.
4722         Declare link_stabs_sections.
4723
4724 2009-06-23  Doug Kwan  <dougkwan@google.com>
4725
4726         * Makefile.am (libgold_a_LIBADD): New.
4727         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4728         * Makefile.in: Regenerate.
4729         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4730         * configure: Regenerate.
4731         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4732         * fileread.cc: Include sys/state.h
4733         * gold.h: Declare memmem and strndup if found missing.
4734         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4735
4736 2009-06-23  Ian Lance Taylor  <iant@google.com>
4737
4738         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4739         * configure: Rebuild.
4740
4741 2009-06-23  Ian Lance Taylor  <iant@google.com>
4742
4743         PR 10147
4744         * object.cc (Object::section_contents): Don't try to get a view if
4745         the section has length zero.
4746         (Object::handle_gnu_warning_section): If the section is empty, use
4747         the name of the section as the warning.
4748
4749 2009-06-23  Ian Lance Taylor  <iant@google.com>
4750
4751         PR 10133
4752         * stringpool.h (class Stringpool_template): Add optimize_ field.
4753         (Stringpool_template::set_optimize): New function.
4754         * stringpool.cc (Stringpool_template::Stringpool_template):
4755         Initialize optimize_ field.
4756         (Stringpool_template::set_string_offsets): Test local optimize
4757         fild rather than parameter.
4758         * layout.cc (Layout::Layout): Call set_optimize on the section
4759         name stringpool.
4760
4761 2009-06-22  Ian Lance Taylor  <iant@google.com>
4762
4763         PR 10030
4764         * yyscript.y: Parse TARGET.
4765         * script.cc (script_set_target): New function.
4766         * script-c.h (script_set_target): Declare.
4767         * options.cc (General_options::string_to_object_format): Rename
4768         from string_to_object_format in anonymous namespace.  Change
4769         callers.
4770         * options.h (class General_options): Declare
4771         string_to_object_format.
4772
4773 2009-06-22  Ian Lance Taylor  <iant@google.com>
4774
4775         * script-sections.cc (Script_sections::create_segments): Don't put
4776         program headers in a PT_LOAD segment if -n or -N.
4777
4778 2009-06-22  Ian Lance Taylor  <iant@google.com>
4779
4780         PR 10141
4781         * options.h (class General_options): Add -z lazy and -z now.  Sort
4782         -z options into alphabetical order.
4783         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4784
4785 2009-06-21  Ian Lance Taylor  <iant@google.com>
4786
4787         * layout.cc (Layout::make_output_section): Call
4788         Target::new_output_section.
4789         (Layout::attach_allocated_section_to_segment): Put large section
4790         sections in a separate load segment with the large segment flag
4791         set.
4792         (Layout::segment_precedes): Sort large data segments after other
4793         load segments.
4794         (align_file_offset): New static function.
4795         (Layout::set_segment_offsets): Use align_file_offset.
4796         * output.h (class Output_section): Add is_small_section_ and
4797         is_large_section_ fields.
4798         (Output_section::is_small_section): New function.
4799         (Output_section::set_is_small_section):  New function.
4800         (Output_section::is_large_section): New function.
4801         (Output_section::set_is_large_section): New function.
4802         (Output_section::is_large_data_section): New function.
4803         (class Output_segment): Add is_large_data_segment_ field.
4804         (Output_segment::is_large_data_segment): New function.
4805         (Output_segment::set_is_large_data_segment): New function.
4806         * output.cc (Output_section::Output_section): Initialize new
4807         fields.
4808         (Output_segment::Output_segment): Likewise.
4809         (Output_segment::add_output_section): Add assertion that large
4810         data sections always go in large data segments.  Force small data
4811         sections to the end of the list of data sections.  Force small BSS
4812         sections to the start of the list of BSS sections.  For large BSS
4813         sections to the end of the list of BSS sections.
4814         * symtab.h (class Symbol): Declare is_common_shndx.
4815         (Symbol::is_defined): Check Symbol::is_common_shndx.
4816         (Symbol::is_common): Likewise.
4817         (class Symbol_table): Define enum Commons_section_type.  Update
4818         declarations.  Add small_commons_ and large_commons_ fields.
4819         * symtab.cc (Symbol::is_common_shndx): New function.
4820         (Symbol_table::Symbol_table): Initialize new fields.
4821         (Symbol_table::add_from_object): Put small and large common
4822         symbols in the right list.
4823         (Symbol_table::sized_finalized_symbol): Check
4824         Symbol::is_common_shndx.
4825         (Symbol_table::sized_write_globals): Likewise.
4826         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4827         common symbol lists.  Don't call do_allocate_commons_list if the
4828         list is empty.
4829         (Symbol_table::do_allocate_commons_list): Remove is_tls
4830         parameter.  Add comons_section_type parameter.  Change all
4831         callers.  Handle small and large common symbols.
4832         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4833         Symbol::is_common_shndx.
4834         * resolve.cc (symbol_to_bits): Likewise.
4835         * target.h (Target::small_common_shndx): New function.
4836         (Target::small_common_section_flags): New function.
4837         (Target::large_common_shndx): New function.
4838         (Target::large_common_section_flags): New function.
4839         (Target::new_output_section): New function.
4840         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4841         small_common_section_flags, and large_common_section_flags
4842         fields.
4843         (Target::do_new_output_section): New virtual function.
4844         * arm.cc (Target_arm::arm_info): Initialize new fields.
4845         * i386.cc (Target_i386::i386_info): Likewise.
4846         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4847         Likewise.
4848         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4849         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4850         (Target_x86_64::do_new_output_section): New function.
4851         * configure.ac: Define conditional MCMODEL_MEDIUM.
4852         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4853         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4854         (large_LDFLAGS): Define.
4855         * testsuite/large.c: New file.
4856         * testsuite/testfile.cc (Target_test::test_target_info):
4857         Initialize new fields.
4858         * configure, testsuite/Makefile.in: Rebuild.
4859
4860 2009-06-05  Doug Kwan  <dougkwan@google.com>
4861
4862         * Makefile.am (CCFILES): Add target.cc.
4863         * Makefile.in: Regenerate.
4864         * i386.cc (class Target_i386): Define new virtual method to
4865         override do_is_local_label_name in parent.
4866         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4867         local symbols if --discard-locals or -X is given.
4868         * options.h (class General_options): Declare new options
4869         '--discard-locals' and '-X' for discarding locals.
4870         * target.h (class Target): Define new methods is_local_label_name.
4871         Declare new virtual method do_is_local_label_name.
4872         * target.cc: New file.
4873         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4874         (check_SCRIPTS): Add discard_locals_test.sh.
4875         (check_DATA): Add discard_local_tests.syms.
4876         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4877         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4878         * testsuite/Makefile.in: Regenerate.
4879         * testsuite/discard_locals_test.c: New file.
4880         * testsuite/discard_locals_test.sh: Same.
4881
4882 2009-06-05  Doug Kwan  <dougkwan@google.com>
4883
4884         * object.cc (Sized_relobj::Sized_relobj): Initialize
4885         discarded_eh_frame_shndx_ to -1U.
4886         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4887         section.
4888         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4889         a discarded .eh_frame section.
4890         (Sized_relobj::do_finalize_local_symbols): Ditto.
4891         * object.h (class Sized_relobj): Declare new member
4892         discarded_eh_frame_shndx_.
4893         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4894         (local_labels_test.o, local_labels_test): New rules.
4895         * testsuite/Makefile.in: Regenerate.
4896
4897 2009-06-04  Doug Kwan  <dougkwan@google.com>
4898
4899         * layout.cc (Layout::section_name_mapping): Add mapping for
4900         special ARM sections.
4901
4902 2009-06-03  Doug Kwan  <dougkwan@google.com>
4903
4904         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4905         (utils::has_overflow): Same.
4906
4907 2009-06-03  Ian Lance Taylor  <iant@google.com>
4908
4909         * layout.cc (Layout::section_name_mapping): New array, replacing
4910         Layout::linkonce_mapping.
4911         (Layout::section_name_mapping_count): New variable, replacing
4912         Layout::linkonce_mapping_count.
4913         (Layout::linkonce_output_name): Remove.
4914         (Layout::output_section_name): Rewrite.
4915         * layout.h (class Layout): Rename Linkonce_mapping to
4916         Section_name_mapping, linkonce_mapping to section_name_mapping,
4917         linkonce_mapping_count to section_name_mapping_count.  Don't
4918         declare linkonce_output_name.
4919
4920 2009-06-03  Doug Kwan  <dougkwan@google.com>
4921
4922         * gold/arm.cc (namespace utils): New.
4923         (Target_arm::reloc_is_non_pic): Define new method.
4924         (class Arm_relocate_functions): New.
4925         (Target_arm::Relocate::relocate): Handle relocation types used by
4926         Android.
4927
4928 2009-06-03  Ian Lance Taylor  <iant@google.com>
4929
4930         * arm.cc (Target_arm::scan::global): Use || instead of |.
4931
4932 2009-06-02  Doug Kwan  <dougkwan@google.com>
4933
4934         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4935         issued_non_pic_error_.
4936         (class Target_arm::Scan): Declare new method check_non_pic.
4937         Define new method symbol_needs_plt_entry.
4938         Declare new data member issued_non_pic_error_.
4939         (class Target_arm::Relocate): Declare new method
4940         should_apply_static_reloc.
4941         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4942         (Target_arm::Scan::check_non_pic): Define new method.
4943         (Target_arm::Scan::local): Handle a small subset of reloc types used
4944         by Android.
4945         (Target_arm::Scan::local): Same.
4946         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4947
4948 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4949
4950         * incremental.cc (Incremental_inputs::report_command_line): Filter
4951         out --incremental-* options.
4952
4953 2009-05-29  Doug Kwan  <dougkwan@google.com>
4954
4955         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4956         template class.
4957         (class Target_arm): Update comment.
4958         (Target_arm::Target_arm): Initialize new data members GOT_,
4959         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4960         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4961         and Target_arm::rel_dyn_section.
4962         Declare new_enum Target_arm::Got_type.
4963         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4964         and DYNBSS_.
4965         Update commments for member do_dynsym_value.
4966         (Target_arm::got_size, Target_arm::plt_section,
4967         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4968         new methods inside class defintion.
4969         (Target_arm::got_section): Define new method.
4970         (Target_arm::rel_dyn_section): Same.
4971         (Output_data_plt_arm): New template class.
4972         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4973         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4974         (Output_data_plt_arm::add_entry): Same.
4975         (Output_data_plt_arm::first_plt_entry): Define new
4976         static data member for PLT instruction template.
4977         (Output_data_plt_arm::plt_entry): Same.
4978         (Output_data_plt_arm::do_write): Define new method.
4979         (Target_arm::make_plt_entry): Same.
4980         (Target_arm::do_finalize_sections): Same.
4981         (Target_arm::do_dynsym_value): Same.
4982
4983 2009-05-28  Doug Kwan  <dougkwan@google.com>
4984
4985         * Makefile.am (TARGETSOURCES): Add arm.cc.
4986         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4987         * Makefile.in: Regenerate.
4988         * arm.cc: New file.
4989         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4990
4991 2009-05-26  Doug Kwan  <dougkwan@google.com>
4992
4993         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4994         (General_options::check_excluded_libs): Strip off directories in
4995         archive name before matching like GNU ld does.
4996         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4997         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4998         (exclude_libs_test_LDFLAGS): Add linker option
4999         -Wl,--exclude-libs,libexclude_libs_test_3
5000         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5001         an explicit archive without using -l.
5002         (alt/libexclude_libs_test_3.a): New make rule.
5003         * testsuite/Makefile.in: Regenerate.
5004         * testsuite/exclude_libs_test.c : Declare lib3_default().
5005         (main): Call it.
5006         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5007         * exclude_libs_test_3.c: New file.
5008
5009 2009-05-26  Nick Clifton  <nickc@redhat.com>
5010
5011         * po/id.po: New Indonesian translation.
5012         * po/gold.pot: Updated template file.
5013
5014 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
5015
5016         * testsuite/Makefile.am: Add -ffunction-sections to compile
5017         gc_comdat_test files.  Add -Wl,--gc-sections to build
5018         gc_comdat_test.
5019         * testsuite/Makefile.in: Regenerate.
5020         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5021
5022 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
5023
5024         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5025         kept comdat section was garbage collected.
5026         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
5027         * testsuite/Makefile.in: Regenerate.
5028         * testsuite/gc_comdat_test.sh: New file.
5029         * testsuite/gc_comdat_test_1.cc: New file.
5030         * testsuite/gc_comdat_test_2.cc: New file.
5031
5032 2009-05-19  Doug Kwan  <dougkwan@google.com>
5033
5034         * archive.cc (Archive::Archive): Move constructor from archive.h
5035         to here.  Initialize no_export_.
5036         (Archive::get_elf_object_for_member): Set no_export flag of object.
5037         * archive.h (Archive::Archive): Move constructor body to
5038         archive.cc.
5039         (Archive::no_export): New method.
5040         (Archive::no_export_): New field.
5041         * object.h (Object::Object): Initialize no_export_ to false.
5042         (Object::no_export, Object::set_no_export): New methods.
5043         (Object::no_export_): New field.
5044         * options.cc (General_options::parse_exclude_libs): New method.
5045         (General_options::check_excluded_libs) Same.
5046         * options.h (exclude_libs): New option.
5047         (General_options::check_excluded_libs): New method declaration.
5048         (General_options::excluded_libs_): New field.
5049         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
5050         default or protected visibility if an object has no-export flag set.
5051         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
5052         (check_SCRIPTS): Add exclude_libs_test.sh.
5053         (check_DATA): Add exclude_libs_test.syms.
5054         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
5055         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
5056         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
5057         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
5058         (exclude_libs_test.syms, libexclude_libs_test_1.a,
5059         libexclude_libs_test_2.a): New rules.
5060         * testsuite/Makefile.in: Regenerate.
5061         * testsuite/exclude_libs_test.c: New file.
5062         * testsuite/exclude_libs_test.sh: Ditto.
5063         * testsuite/exclude_libs_test_1.c: Ditto.
5064         * testsuite/exclude_libs_test_2.c: Ditto.
5065
5066 2009-05-15  Ian Lance Taylor  <iant@google.com>
5067
5068         * configure.ac: Check for declarations for cases where libiberty.h
5069         checks HAVE_DECL_xxx.
5070         * configure, config.in: Rebuild.
5071
5072 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
5073
5074         * gold.h (Incremental_argument_list): Remove (invalid) forward
5075         declaration.
5076         * incremental.cc (Incremental_inputs::report_achive): New method.
5077         (Incremental_inputs::report_object): New method.
5078         (Incremental_inputs::report_script): New method.
5079         (Incremental_inputs::finalize_inputs): New method.
5080         (Incremental_inputs::finalize): Call finalize_inputs().
5081         (Incremental_inputs::sized_create_incremental_inputs_section_data):
5082         Create inputs entries.
5083         * incremental.h (Incremental_input_type): New enum.
5084         (Incremental_inputs::Incremental_input): Initialize new fields.
5085         (Incremental_inputs::report_inputs): New method.
5086         (Incremental_inputs::report_achive): New method.
5087         (Incremental_inputs::report_object): New method.
5088         (Incremental_inputs::report_script): New method.
5089         (Incremental_inputs::finalize_inputs): New method.
5090         (Incremental_inputs::Input_info): New struct.
5091         (Incremental_inputs::Input_info_map): New typedef.
5092         (Incremental_inputs::lock_): New field.
5093         (Incremental_inputs::Inputs_): New field.
5094         (Incremental_inputs::Inputs_map): New field.
5095         * main.cc (main): Call Incremental_input::report_inputs.
5096         * options.h (Input_argument_list): Typedef moved from
5097         Input_arguments.
5098         (Input_file_group::Files): Remove, use ::Input_argument_list.
5099         (Input_file_group::Input_argument_list): Remove, use
5100         ::Input_argument_list.
5101         * plugin.cc (Plugin_manager::add_input_file): Add error in
5102         incremental build.
5103         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
5104         functions.
5105         * script.cc (read_input_script): Call
5106         Incremental_input::report_script.
5107         * script.h (Script_info): New class.
5108
5109 2009-04-27  Ian Lance Taylor  <iant@google.com>
5110
5111         * x86_64.cc (do_adjust_output_section): Set entsize to
5112         plt_entry_size.
5113
5114 2009-04-23  Elliott Hughes  <enh@google.com>
5115
5116         * output.cc (Output_file::close): After short writes, continue
5117         writing from the correct offset in the buffer being written.
5118
5119 2009-04-23  Chris Demetriou  <cgd@google.com>
5120
5121         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
5122         * configure: Regenerate.
5123         * config.in: Regenerate.
5124         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
5125         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
5126
5127 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
5128
5129         * incremental.cc (Incremental_inputs_header_data): Renamed from
5130         Incremental_input_header_data.
5131         (Incremental_inputs_header_data::data_size): New field.
5132         (Incremental_inputs_header_data::put_input_file_count): Renamed
5133         from input_file_count.
5134         (Incremental_inputs_header_data::put_command_line_offset): Renamed
5135         from command_line_offset.
5136         (Incremental_inputs_header_data::put_reserved): Renamed from
5137         put_reserved.
5138         (Incremental_inputs_entry_data): Renamed from
5139         Incremental_input_entry_data.
5140         (Incremental_inputs_entry_data::data_size): New field.
5141         (Incremental_inputs::report_command_line): New method.
5142         (Incremental_inputs::finalize): New method.
5143         (Incremental_inputs::create_incremental_inputs_data): New method.
5144         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5145         * incremental.h: New file.
5146         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5147        (Layout::finalize): Create incremental inputs section in
5148         incremental builds.
5149        (Layout::create_incremental_info_sections): New method.
5150         * layout.h (Layout::incremental_inputs): New method.
5151        (Layout::create_incremental_info_sections): New method.
5152        (Layout::incremental_inputs_): New field.
5153         * main.cc (main): Notify Incremental_input of the command line.
5154
5155 2009-04-01  Ian Lance Taylor  <iant@google.com>
5156             Mikolaj Zalewski  <mikolajz@google.com>
5157
5158         * gold.h (reserve_unordered_map): Define, three versions, one for
5159         each version of Unordered_map.
5160         * layout.cc (Layout::Layout): Remove options parameter.  Add
5161         number_of_input_files parameter.  Don't initialize options_.
5162         Initialize number_of_input_files_ and resized_signatures_.  Move
5163         sections_are_attached_.
5164         (Layout::layout_group): Reserve space for group_signatures_.
5165         (Layout::find_or_add_kept_section): Change name parameter to be a
5166         reference.  Resize signatures_ map when it gets large enough.
5167         (Layout::layout_eh_frame): Use parameters->options() instead of
5168         this->options_.
5169         (Layout::make_output_section): Likewise.
5170         (Layout::attach_allocated_section_to_segment): Likewise.
5171         (Layout::finalize, Layout::create_executable_stack): Likewise.
5172         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5173         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5174         * layout.h (class Layout): Update declarations.  Remove options_
5175         field.  Add number_of_input_files_ and resized_signatures_
5176         fields.  Move sections_are_attached_ field.
5177         * main.cc (main): Pass number of input files to Layout
5178         constructor.  Don't pass options.
5179
5180 2009-03-30  Ian Lance Taylor  <iant@google.com>
5181
5182         * ffsll.c (ffsll): Correct implementation.
5183
5184 2009-03-27  Ian Lance Taylor  <iant@google.com>
5185
5186         * ffsll.c: New file.
5187         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5188         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5189         * ftruncate.c (ftruncate): Declare before definition.
5190         * mremap.c (mremap): Likewise.
5191         * pread.c (pread): Likewise.
5192         * configure, Makefile.in, config.in: Rebuild.
5193
5194         * mremap.c: New file.
5195         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5196         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5197         (mremap): Declare if HAVE_MREMAP is not defined.
5198         * configure, Makefile.in, config.in: Rebuild.
5199
5200 2009-03-27  Cary Coutant  <ccoutant@google.com>
5201
5202         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5203         position independent.
5204         * sparc.cc (Target_sparc::check_non_pic): Likewise.
5205         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5206
5207 2009-03-24  Cary Coutant  <ccoutant@google.com>
5208
5209         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5210         an executable.
5211         (needs_dynamic_reloc): Likewise.
5212
5213 2009-03-24  Ian Lance Taylor  <iant@google.com>
5214
5215         * yyscript.y (file_cmd): Recognize EXTERN.
5216         (extern_name_list, extern_name_list_body): New nonterminals.
5217         * script.cc (script_add_extern): Define.
5218         * script-c.h (script_add_extern): Declare.
5219
5220 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
5221
5222         * object.cc (is_elf_object): Define.
5223         * object.h (is_elf_object): Declare.
5224         * archive.cc (Archive::get_elf_object_for_member): Call
5225         is_elf_object.
5226         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5227
5228 2009-03-24  Elliott Hughes  <enh@google.com>
5229
5230         * output.cc (Output_file::map_anonymous): Define.
5231         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
5232         try an anonymous one.  Report the size if the mmap fails.
5233         * output.h (class Output_file): Declare map_anonymous.
5234
5235 2009-03-24  Ian Lance Taylor  <iant@google.com>
5236
5237         * target-select.cc (instantiate_target): Don't acquire the lock if
5238         the instantiated_target_ field has already been set.
5239
5240 2009-03-23  Ian Lance Taylor  <iant@google.com>
5241
5242         * gold-threads.h (class Initialize_lock): Define.
5243         * gold-threads.cc (class Initialize_lock_once): Define.
5244         (initialize_lock_control): New static variable.
5245         (initialize_lock_pointer): New static variable.
5246         (initialize_lock_once): New static function.
5247         (Initialize_lock::Initialize_lock): Define.
5248         (Initialize_lock::initialize): Define.
5249         * target-select.h: Include "gold-threads.h".
5250         (class Target_selector): Add lock_ and initialize_lock_ fields.
5251         Don't define instantiate_target, just declare it.
5252         * target-select.cc (Target_selector::Target_selector): Initialize
5253         new fields.
5254         (Target_selector::instantiate_target): Define.
5255         * descriptors.h: Include "gold-threads.h".
5256         (class Descriptors): Add initialize_lock_ field.
5257         * descriptors.cc (Descriptors::Descriptors): Initialize new
5258         field.
5259         (Descriptors::open): Use initialize_lock_ field
5260         * errors.h (class Errors): Add initialize_lock_ field.
5261         * errors.cc (Errors::Errors): Initialize new field.
5262         (Errors::initialize_lock): Use initialize_lock_ field.
5263         * powerpc.cc (class Target_selector_powerpc): Remove
5264         instantiated_target_ field.  In do_recognize call
5265         instantiate_target rather than do_instantiate_target.  In
5266         do_instantiate_target just allocate a new target.
5267         * sparc.cc (class Target_selector_sparc): Likewise.
5268
5269         * freebsd.h: New file.
5270         * i386.cc: Include "freebsd.h".
5271         (Target_i386): Derive from Target_freebsd rather than
5272         Sized_target.
5273         (Target_selector_i386): Derive from Target_selector_freebsd rather
5274         than Target_selector.
5275         * x86_64.cc: Include "freebsd.h".
5276         (Target_x86_64): Derive from Target_freebsd rather than
5277         Sized_target.
5278         (Target_selector_x86_64): Derive from Target_selector_freebsd
5279         rather than Target_selector.
5280         * target.h (class Target): Add adjust_elf_header and
5281         do_adjust_elf_header.
5282         * output.cc (Output_file_header:: do_sized_write): Call target
5283         adjust_elf_header routine.
5284         * configure.tgt: Set targ_osabi.
5285         * configure.ac: Define GOLD_DEFAULT_OSABI.
5286         * parameters.cc (Parameters::default_target): Pass
5287         GOLD_DEFAULT_OSABI to select_target.
5288         * target-select.h (class Target_selector): Make instantiate_target
5289         protected rather than private.
5290         * Makefile.am (HFILES): Add freebsd.h.
5291         * configure, Makefile.in, config.in: Rebuild.
5292
5293         * merge.cc (do_add_input_section): Correct pend value.  Change
5294         message about last entry not being null terminated from error to
5295         warning.
5296
5297 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5298
5299         * incremental.cc: New file.
5300         * Makefile.am (CCFILES): Add incremental.cc.
5301         * Makefile.in: Rebuild.
5302
5303 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5304
5305         * layout.cc (Layout::output_section_name): Preserve names
5306         of '.note.' sections.
5307
5308 2009-03-19  Ian Lance Taylor  <iant@google.com>
5309
5310         * descriptors.cc (Descriptors::open): Check that the options are
5311         valid before using them.
5312
5313 2009-03-18  Ian Lance Taylor  <iant@google.com>
5314
5315         * script-sections.h: Include <list>.
5316         (class Script_sections): Change Sections_elements from std::vector
5317         to std::list.  Typedef public Elements_iterator.  Add
5318         orphan_section_placement_, data_segment_align_start_, and
5319         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5320         field.
5321         * script-sections.cc (class Orphan_section_placement): New class.
5322         (class Sections_element): Add virtual functions is_relro and
5323         orphan_section_init.  Remove virtual function place_orphan_here.
5324         (class Output_section_definition): Add is_relro and
5325         orphan_section_init.  Remove place_orphan_here.
5326         (class Orphan_output_section): Likewise.
5327         (Script_sections::Script_sections): Update for field changes.
5328         (Script_sections::data_segment_align): Set saw_data_segment_align_
5329         and data_segment_align_start_, not data_segment_align_index.
5330         (Script_sections::data_segment_relro_end): Check
5331         saw_data_segment_align_.  Use data_segment_align_start_ rather
5332         than data_segment_align_index_.
5333         (Script_sections::place_orphan): Rewrite to use
5334         Orphan_section_placement.
5335
5336 2009-03-17  Ian Lance Taylor  <iant@google.com>
5337
5338         * archive.cc (Archive::add_symbols): Check for a version attached
5339         to the symbol name in the archive map.
5340         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5341         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5342         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5343         (ver_test_11.a): New target.
5344         * testsuite/Makefile.in: Rebuild.
5345
5346         * configure.ac: Check for chsize and posix_fallocate.  Replace
5347         ftruncate.
5348         * ftruncate.c: New file, from gnulib.
5349         * output.cc (posix_fallocate): Define dummy version if not
5350         HAVE_POSIX_FALLOCATE.
5351         (Output_file::map): Call posix_fallocate rather than lseek and
5352         write.
5353         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5354         * configure, Makefile.in, config.in: Rebuild.
5355
5356 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5357
5358         * layout.h (Layout::create_note): Add section_name parameter.
5359         * layout.cc (Layout::create_note): Likewise.
5360         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5361
5362 2009-03-17  Ian Lance Taylor  <iant@google.com>
5363
5364         * descriptors.cc: Include "options.h".
5365         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5366         (Descriptors::open): Always use O_CLOEXEC when opening a new
5367         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5368         then set FD_CLOEXEC.
5369
5370         * sparc.cc (class Target_sparc): Add has_got_section.
5371         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5372         make sure we have a GOT section.
5373
5374         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5375         (Target_sparc::Scan::local): Likewise.
5376         (Target_sparc::Scan::global): Likewise.
5377         (Target_sparc::Relocate::relocate): Likewise.
5378         (Target_sparc::Relocate::relocate_tls): Likewise.
5379
5380         * symtab.cc (Symbol_table::define_default_version): New function,
5381         broken out of add_from_object.
5382         (Symbol_table::add_from_object): Call define_default_version.
5383         (Symbol_table::define_special_symbol): Add resolve_oldsym
5384         parameter.  Change all callers.  If the version for a symbol comes
5385         from a version script, resolve it with the symbol with the same
5386         name with no version.  Also add the symbol without a version if
5387         appropriate.
5388         (do_define_in_output_data): If resolving with oldsym, don't delete
5389         sym.
5390         (do_define_in_output_segment): Likewise.
5391         (do_define_as_constant): Likewise.
5392         * symtab.h (class Symbol_table): Update declarations.
5393
5394 2009-03-13  Ian Lance Taylor  <iant@google.com>
5395
5396         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5397         (Read_symbols::requeue): New function.
5398         (Read_symbols::do_read_symbols): If make_elf_object fails because
5399         the target type is not configured, and the file was searched for,
5400         issue a warning and retry with the next directory.
5401         (Add_symbols::run): If the file has an incompatible format, and
5402         it was searched for, requeue the Read_symbols task.  On error,
5403         release the object.
5404         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5405         dirindex parameter to constructor.  Change all callers.  Declare
5406         incompatible_warning and requeue.
5407         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5408         input_argument_ and input_group_ fields.  Add them to
5409         constructor.  Change all callers.
5410         (class Read_script): Add dirindex_ field.  Add it to constructor.
5411         Change all callers.
5412         * archive.cc (Archive::setup): Remove input_objects parameter.
5413         Change all callers.
5414         (Archive::get_file_and_offset): Likewise.
5415         (Archive::read_all_symbols): Likewise.
5416         (Archive::read_symbols): Likewise.
5417         (Archive::get_elf_object_for_member): Remove input_objects
5418         parameter.  Add punconfigured parameter.  Change all callers.
5419         (Archive::add_symbols): Change return type to bool.  Check return
5420         value of include_member.
5421         (Archive::include_all_members): Likewise.
5422         (Archive::include_member): Change return type to bool.  Return
5423         false if first included object has incompatible target.  Set
5424         included_member_ field.
5425         (Add_archive_symbols::run): If add_symbols returns false, requeue
5426         Read_symbols task.
5427         * archive.h (class Archive): Add included_member_ field.
5428         Initialize it in constructor.  Add input_file and searched_for
5429         methods.  Update declarations.
5430         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5431         input_argument_ fields.  Add them to constructor.  Change all
5432         callers.
5433         * script.cc: Include "target-select.h".
5434         (class Parser_closure): Add skip_on_incompatible_target_ and
5435         found_incompatible_target_ fields.  Add
5436         skip_on_incompatible_target parameter to constructor.  Change all
5437         callers.  Add methods skip_on_incompatible_target,
5438         clear_skip_on_incompatible_target, found_incompatible_target, and
5439         set_found_incompatible_target.
5440         (read_input_script): Add dirindex parameter.  Change all callers.
5441         If parser finds an incompatible target, requeue Read_symbols
5442         task.
5443         (script_set_symbol): Clear skip_on_incompatible_target in
5444         closure.
5445         (script_add_assertion, script_parse_option): Likewise.
5446         (script_start_sections, script_add_phdr): Likewise.
5447         (script_check_output_format): New function.
5448         * script.h (read_input_script): Update declaration.
5449         * script-c.h (script_check_output_format): Declare.
5450         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5451         (ignore_cmd): Remove OUTPUT_FORMAT.
5452         * fileread.cc (Input_file::Input_file): Add explicit this.
5453         (Input_file::will_search_for): New function.
5454         (Input_file::open): Add pindex parameter.  Change all callers.
5455         * fileread.h (class Input_file): Add input_file_argument method.
5456         Declare will_search_for.  Update declarations.
5457         * object.cc (make_elf_object): Add punconfigured parameter.
5458         Change all callers.
5459         * object.h (class Object): Make input_file public.  Add
5460         searched_for method.
5461         (make_elf_object): Update declaration.
5462         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5463         restart search.
5464         * dirsearch.h (class Dirsearch): Update declaration.
5465         * options.h (class General_options): Add --warn-search-mismatch.
5466         * parameters.cc (Parameters::is_compatible_target): New function.
5467         * parameters.h (class Parameters): Declare is_compatible_target.
5468         * workqueue.cc (Workqueue::add_blocker): New function.
5469         * workqueue.h (class Workqueue): Declare add_blocker.
5470
5471         * fileread.cc (Input_file::open): Remove options parameter.
5472         Change all callers.
5473         (Input_file::open_binary): Likewise.
5474         * script.cc (read_input_script): Likewise.
5475         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5476         options parameter from constructor.  Change all callers.
5477         (class Read_script): Likewise.
5478         * fileread.h (class Input_file): Update declarations.
5479         * script.h (read_input_script): Update declaration.
5480
5481 2009-03-10  Nick Clifton  <nickc@redhat.com>
5482
5483         * po/es.po: New Spanish translation.
5484
5485 2009-03-06  Cary Coutant  <ccoutant@google.com>
5486
5487         * options.cc (parse_short_option): Keep dash_z from registering itself.
5488
5489 2009-03-03  Ian Lance Taylor  <iant@google.com>
5490
5491         PR 9918
5492         * target-reloc.h (relocate_section): Pass output_section to
5493         relocate.
5494         * i386.cc (Target_i386::should_apply_static_reloc): Add
5495         output_section parameter.  Change all callers.
5496         (Target_i386::Relocate::relocate): Add output_section parameter.
5497         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5498         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5499         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5500         * testsuite/two_file_shared.sh: New script.
5501         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5502         (check_DATA): Add two_file_shared.dbg.
5503         (two_file_shared.dbg): New target.
5504         * testsuite/Makefile.in: Rebuild.
5505
5506 2009-03-01  Ian Lance Taylor  <iant@google.com>
5507
5508         * configure.ac: Check for byteswap.h.
5509         * configure: Rebuild.
5510         * config.in: Rebuild.
5511
5512 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5513
5514         * layout.cc (Layout::find_or_add_kept_section): New function.
5515         (Layout::add_comdat): Removed.
5516         * layout.h (struct Kept_section): Move out of class Layout.
5517         Remove trailing underscores from field names.  Add group_sections
5518         field.  Rename group_ field to is_group.  Change all uses.
5519         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5520         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5521         comdat_groups_ field.
5522         (Sized_relobj::include_section_group): Use
5523         find_or_add_kept_section and Kept_section::group_sections.
5524         (Sized_relobj::include_linkonce_section): Likewise.
5525         * object.cc (class Sized_relobj): Don't define Comdat_group or
5526         Comdat_group_table.  Remove find_comdat_group and
5527         add_comdat_group.  Remove comdat_groups_ field.
5528         * plugin.cc (include_comdat_group): Use
5529         Layout::find_or_add_kept_section.
5530
5531 2009-02-28  Ian Lance Taylor  <iant@google.com>
5532
5533         * README: --gc-sections and map files are now supported.  Document
5534         some build requirements.
5535
5536         PR 6992
5537         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5538         relocatable link set the value of the section symbol to zero.
5539         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5540         relocatable link don't include the section address in the local
5541         symbol value.
5542
5543 2009-02-27  Ian Lance Taylor  <iant@google.com>
5544
5545         PR 6811
5546         * options.h (class Search_directory): Add is_system_directory.
5547         (class General_options): Declare is_in_system_directory.
5548         * options.cc (get_relative_sysroot): Make static.
5549         (get_default_sysroot): Make static.
5550         (General_optoins::is_in_system_directory): New function.
5551         * fileread.cc (Input_file::is_in_system_directory): New function.
5552         * fileread.h (class Input_file): Declare is_in_system_directory.
5553         * object.h (class Object): Add is_in_system_directory.
5554         (class Input_objects): Remove system_library_directory_ field.
5555         * object.cc (Input_objects::add_object): Don't set
5556         system_library_directory_.
5557         (input_objects::found_in_system_library_directory): Remove.
5558         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5559         parameter.  Change all callers.
5560         (Symbol_table::sized_write_globals): Likewise.
5561         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5562         Call Object::is_in_system_directory.
5563         * symtab.h (class Symbol_table): Update declarations.
5564
5565         PR 5990
5566         * descriptors.h (Open_descriptor): Add is_on_stack field.
5567         * descriptors.cc (Descriptors::open): If the descriptor is on the
5568         top of the stack, remove it.  Initialize is_on_stack field.
5569         (Descriptors::release): Only add pod to stack if it is not on the
5570         stack already.
5571         (Descriptors::close_some_descriptor): Clear stack_next and
5572         is_on_stack fields.
5573
5574         PR 7091
5575         * output.cc (Output_section::find_starting_output_address): Rename
5576         from starting_output_address; add PADDR parameter; change return
5577         type.
5578         * output.h (class Output_section): Declare
5579         find_starting_output_address instead of starting_output_address.
5580         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5581         section symbol for which we can't find a merge section.
5582
5583         PR 9836
5584         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5585         hidden or internal, force the symbol to be local.
5586         * resolve.cc (Symbol::override_visibility): Define.
5587         (Symbol::override_base): Use override_visibility.
5588         (Symbol_table::resolve): Likewise.
5589         (Symbol::override_base_with_special): Likewise.
5590         (Symbol_table::override_with_special): If the visibility is hidden
5591         or internal, force the symbol to be local.
5592         * symtab.h (class Symbol): Add set_visibility and
5593         override_visibility.
5594         * testsuite/ver_test_1.sh: New file.
5595         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5596         (check_DATA): Add ver_test_1.syms.
5597         (ver_test_1.syms): New target.
5598         * testsuite/Makefile.in: Rebuild.
5599
5600 2009-02-25  Cary Coutant  <ccoutant@google.com>
5601
5602         * layout.cc (Layout::choose_output_section): Don't rename sections
5603         when using a linker script that has a SECTIONS clause.
5604         * Makefile.in: Regenerate.
5605
5606         * testsuite/Makefile.am (script_test_5.sh): New test case.
5607         * testsuite/Makefile.in: Regenerate.
5608         * testsuite/script_test_5.cc: New file.
5609         * testsuite/script_test_5.sh: New file.
5610         * testsuite/script_test_5.t: New file.
5611
5612 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5613
5614         * archive.cc (Archive::include_member): Update calls to add_symbols.
5615         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5616         the Layout argument.
5617         * dynobj.h (do_add_symbols): Add the Layout argument.
5618         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5619         Layout argument.
5620         * object.h (Object::add_symbols): Add the Layout argument.
5621         (Object::do_add_symbols): Add the Layout argument.
5622         (Sized_relobj::do_add_symbols): Add the Layout argument.
5623         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5624         Unify the two versions.
5625         (Add_plugin_symbols): Remove.
5626         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5627         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5628         (Add_plugin_symbols): Remove.
5629         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5630         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5631         (Add_symbols::run): Make it work with Pulginobj.
5632
5633 2009-02-06  Ian Lance Taylor  <iant@google.com>
5634
5635         * object.cc (Sized_relobj::do_layout): Make info message start
5636         with lower case letter.
5637
5638 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5639
5640         * binary.cc: Fix file comment.
5641
5642         * options.h (enum Incremental_disposition): Define.
5643         (class General_options): Add new options: --incremental,
5644         --incremental_changed, --incremental_unchanged,
5645         --incremental_unknown.  Add incremental_disposition_ and
5646         implicit_incremental_ fields.
5647         (General_options::incremental_disposition): New function.
5648         (class Position_dependent_options): Add incremental_disposition
5649         option.
5650         (Position_dependent_options::copy_from_options): Set incremental
5651         dispositions.
5652         * options.cc (General_options::parse_incremental_changed): New
5653         function.
5654         (General_options::parse_incremental_unchanged): New function.
5655         (General_options::parse_incremental_unknown): New function.
5656         (General_options::General_options): Initialize new fields
5657         incremental_disposition_ and implicit_incremental_.
5658         (General_options::finalize): Check for uasge of --incremental-*
5659         without --incremental.
5660
5661 2009-02-06  Chris Demetriou  <cgd@google.com>
5662
5663         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5664         pointer and to report location as the file name associated with
5665         the symbol.
5666         (gold_undefined_symbol_at_location): New function to replace the
5667         old gold_undefined_symbol functionality.
5668         * target-reloc.h (relocate_section): Update to use
5669         gold_undefined_symbol_at_location.
5670         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5671         Call gold_undefined_symbol function rather than gold_error.
5672         * errors.h (Errors::undefined_symbol): Take location as a
5673         string, rather than calculating it from a relocation.
5674         * errors.cc (Errors::fatal): Print "fatal error:" before the
5675         formatted message.
5676         (Errors::error, Errors::error_at_location): Print "error: "
5677         before the formatted message.
5678         (Errors::undefined_symbol): Take location as a string, rather
5679         than calculating it from a relocation.
5680         (gold_undefined_symbol_at_location): New function akin to
5681         old gold_undefined_symbol, calculates location from relocation.
5682         (gold_undefined_symbol): Change to take only a Symbol pointer
5683         and to report location as the file name associated with the symbol.
5684         * testsuite/debug_msg.sh: Update for changed error messages.
5685         * testsuite/undef_symbol.sh: Likewise.
5686
5687 2009-02-04  Duncan Sands  <baldrick@free.fr>
5688
5689         PR 9812
5690         * reduced_debug_output.h
5691         (Output_reduced_debug_abbrev_section::failed): Use format for
5692         gold_warning.
5693         (Output_reduced_debug_info_section::faild): Likewise.
5694
5695 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5696
5697         * script.cc (Lazy_demangler): New class.
5698         (Version_script_info::get_symbol_version_helper): Demangle a
5699         symbol only once.
5700
5701 2009-01-29  Cary Coutant  <ccoutant@google.com>
5702
5703         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5704         to __tls_get_addr.
5705         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5706
5707 2009-01-28  Ian Lance Taylor  <iant@google.com>
5708
5709         * version.cc (version_string): Bump to 1.9.
5710
5711         * gold.h: Include <cstring> and <stdint.h>.
5712         * version.cc: Include <cstdio>.
5713         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5714         warning.
5715         * reduced_debug_output.cc (insert_into_vector): Rename from
5716         Insert_into_vector; change all callers.  Use Swap_unaligned to
5717         avoid aliasing issue; remove union since it is unnecessary.
5718
5719 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5720
5721         * Makefile.am (CCFILES): Add gc.cc.
5722         (HFILES): Add gc.h.
5723         * Makefile.in: Regenerate.
5724         * gold.cc (Gc_runner): New class.
5725         (queue_initial_tasks): Call garbage collection related tasks
5726         when corresponding options are invoked.
5727         (queue_middle_gc_tasks): New function.
5728         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5729         processed early before laying out sections during garbage collection.
5730         * gold.h (queue_middle_gc_tasks): New function.
5731         (is_prefix_of): Move from "layout.cc".
5732         * i386.cc (Target_i386::gc_process_relocs): New function.
5733         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5734         * main.cc (main): Create object of class "Garbage_collection".
5735         * object.cc (Relobj::copy_symbols_data): New function.
5736         (Relobj::is_section_name_included): New function.
5737         (Sized_relobj::do_layout): Allow this function to be called twice
5738         during garbage collection and defer layout of section during the
5739         first call.
5740         * object.h (Relobj::get_symbols_data): New function.
5741         (Relobj::is_section_name_included): New function.
5742         (Relobj::copy_symbols_data): New function.
5743         (Relobj::set_symbols_data): New function.
5744         (Relobj::get_relocs_data): New function.
5745         (Relobj::set_relocs_data): New function.
5746         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5747         (Relobj::gc_process_relocs): New function.
5748         (Relobj::do_gc_process_relocs): New pure virtual function.
5749         (Relobj::sd_): New data member.
5750         (Sized_relobj::is_output_section_offset_invalid): New function.
5751         (Sized_relobj::do_gc_process_relocs): New function.
5752         * options.h (General_options::gc_sections): Modify to not be a no-op.
5753         (General_options::print_gc_sections): New option.
5754         * plugin.cc (Plugin_finish::run): Remove function call to
5755         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5756         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5757         * reloc.cc (Read_relocs::run): Add task to process relocs and
5758         determine unreferenced sections when doing garbage collection.
5759         (Gc_process_relocs): New class.
5760         (Sized_relobj::do_gc_process_relocs): New function.
5761         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5762         sections that are garbage collected.
5763         * reloc.h (Gc_process_relocs): New class.
5764         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5765         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5766         symbols whose corresponding sections are garbage collected.
5767         (Symbol_table::Symbol_table): Add new parameter for the garbage
5768         collection object.
5769         (Symbol_table::gc_mark_undef_symbols): New function.
5770         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5771         (Symbol_table::gc_mark_dyn_syms): New function.
5772         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5773         as garbage.
5774         (Symbol_table::add_from_object): Likewise.
5775         (Symbol_table::add_from_relobj): When building shared objects, do not
5776         treat externally visible symbols as garbage.
5777         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5778         table information for static and relocatable links.
5779         * symtab.h (Symbol_table::set_gc): New function.
5780         (Symbol_table::gc): New function.
5781         (Symbol_table::gc_mark_undef_symbols): New function.
5782         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5783         (Symbol_table::gc_mark_dyn_syms): New function.
5784         (Symbol_table::gc_): New data member.
5785         * target.h (Sized_target::gc_process_relocs): New pure virtual
5786         function.
5787         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5788         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5789
5790 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5791
5792         * options.h (General_options::gc_sections): Define as a no-op for now.
5793         (General_options::no_keep_memory): Ditto.
5794         (General_options::Bshareable): Define.
5795         * options.cc (General_options::finalize): Honor -Bshareable.
5796
5797 2009-01-20  Andreas Schwab  <schwab@suse.de>
5798
5799         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5800         read the value in the contents, since we don't use it.  Use the
5801         template endianness when writing.
5802         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5803
5804 2009-01-19  Andreas Schwab  <schwab@suse.de>
5805
5806         * configure.tgt (powerpc64-*): Fix targ_obj.
5807
5808 2009-01-15  Ian Lance Taylor  <iant@google.com>
5809
5810         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5811         local symbols when stripping all symbols.
5812
5813 2009-01-14  Cary Coutant  <ccoutant@google.com>
5814
5815         * output.cc (Output_reloc): Add explicit instantiations.
5816
5817 2009-01-14  Cary Coutant  <ccoutant@google.com>
5818
5819         * archive.cc (Archive::get_elf_object_for_member): Remove call
5820         to File_read::claim_for_plugin.
5821         * descriptors.cc (Descriptors::open): Remove reference to
5822         is_claimed.
5823         (Descriptors::claim_for_plugin): Remove.
5824         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5825         (Descriptors::is_claimed): Remove.
5826         (claim_descriptor_for_plugin): Remove.
5827         * fileread.cc (File_read::claim_for_plugin): Remove.
5828         * fileread.h (File_read::claim_for_plugin): Remove.
5829         (File_read::descriptor): Reopen descriptor if necessary.
5830         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5831         (Plugin_manager::all_symbols_read): Add task parameter. Change
5832         all callers.
5833         (Plugin_manager::get_input_file): New function.
5834         (Plugin_manager::release_input_file): New function.
5835         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5836         corresponding data member.
5837         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5838         and pass to base constructor. Change all callers.
5839         (get_input_file, release_input_file): New functions.
5840         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5841         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5842         (Plugin_manager::all_symbols_read): Add task parameter.
5843         (Plugin_manager::get_input_file): New function.
5844         (Plugin_manager::release_input_file): New function.
5845         (Plugin_manager::task_): New data member.
5846         (Pluginobj::Pluginobj): Add filesize parameter.
5847         (Pluginobj::filename): New function.
5848         (Pluginobj::descriptor): New function.
5849         (Pluginobj::filesize): New function.
5850         (Pluginobj::filesize_): New data member.
5851         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5852         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5853         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5854
5855         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5856         with archive libraries.
5857         * testsuite/Makefile.in: Regenerate.
5858         * testsuite/plugin_test.c (struct sym_info): New type.
5859         (get_input_file, release_input_file): New static variables.
5860         (onload): Capture new transfer vector entries.
5861         (claim_file_hook): Stop reading at end of file according to filesize.
5862         Factor out parsing of readelf output into separate function.
5863         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5864         APIs and get the source file name from the symbol table.  Convert
5865         source file name to corresponding object file name.  Print info
5866         message when adding new input files.
5867         (parse_readelf_line): New function.
5868         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5869         * testsuite/plugin_test_2.sh: Likewise.
5870         * testsuite/plugin_test_3.sh: Likewise.
5871         * testsuite/plugin_test_4.sh: New test case.
5872
5873 2009-01-07  Ian Lance Taylor  <iant@google.com>
5874
5875         * version.cc (version_string): Bump to 1.8.
5876
5877 2008-12-23  Cary Coutant  <ccoutant@google.com>
5878
5879         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5880         * plugin.cc (Plugin_manager::finish): Rename as
5881         layout_deferred_objects.  Move cleanup to separate function.
5882         (Plugin_manager::cleanup): New function.
5883         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5884         separately.
5885         * plugin.h (Plugin_manager::finish): Rename as
5886         layout_deferred_objects.
5887         (Plugin_manager::cleanup): New function.
5888         (Plugin_manager::cleanup_done): New field.
5889
5890 2008-12-23  Cary Coutant  <ccoutant@google.com>
5891
5892         * plugin.cc (is_visible_from_outside): New function.
5893         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5894         so we don't return "IR only" status for exported symbols or -r links.
5895
5896         * testsuite/Makefile.am (plugin_test_3): New test case.
5897         * testsuite/Makefile.in: Regenerate.
5898         * testsuite/plugin_test_3.sh: New file.
5899
5900 2008-12-22  Cary Coutant  <ccoutant@google.com>
5901
5902         * object.cc (Sized_relobj::layout_section): New function.
5903         (Sized_relobj::do_layout): Defer layout of input sections until after
5904         plugin has provided replacement files.
5905         (Sized_relobj::do_layout_deferred_sections): New function.
5906         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5907         (Relobj::layout_deferred_sections): New function.
5908         (Relobj::do_layout_deferred_sections): New function.
5909         (Sized_relobj::do_layout_deferred_sections): New function.
5910         (Sized_relobj::layout_section): New function.
5911         (Sized_relobj::Deferred_layout): New structure.
5912         (Sized_relobj::deferred_layout_): New field.
5913         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5914         Change all callers.  Layout deferred sections.
5915         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5916         references.
5917         (Plugin_hook::run): Move code from do_plugin_hook inline.
5918         (Plugin_hook::do_plugin_hook): Remove.
5919         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5920         (Plugin_manager::finish): Renamed, was cleanup.
5921         (Plugin_manager::should_defer_layout): New function.
5922         (Plugin_manager::add_deferred_layout_object): New function.
5923         (Plugin_manager::Deferred_layout_list): New type.
5924         (Plugin_manager::deferred_layout_objects_): New field.
5925         (Plugin_hook::do_plugin_hook): Remove.
5926
5927 2008-12-17  Ian Lance Taylor  <iant@google.com>
5928
5929         * options.h (class General_options): Add --no case for
5930         --export-dynamic.
5931
5932 2008-12-16  Cary Coutant  <ccoutant@google.com>
5933
5934         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5935         vector.
5936         (Plugin_manager::claim_file): Create plugin object even if
5937         plugin did not call the add_symbols callback.
5938         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5939         asking for more symbols than were added.
5940         * testsuite/Makefile.am (plugin_test_1): Add test case with
5941         no global symbols.
5942         (empty.syms): New target.
5943         * testsuite/Makefile.in: Regenerate.
5944         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5945         message. Don't call add_symbols if no globals.
5946         (all_symbols_read_hook): Don't provide replacement for empty
5947         claimed file.
5948
5949 2008-12-12  Ian Lance Taylor  <iant@google.com>
5950
5951         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5952         r_type == 0 for a local symbol with r_sym == 0.
5953         (scan_relocatable_relocs): Pass r_sym to
5954         local_non_section_strategy.
5955         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5956         r_sym parameter.
5957
5958         * configure.ac: Update test for TLS descriptors: they are
5959         supported as of glibc 2.9.
5960         * configure: Rebuild.
5961
5962 2008-12-11  Ian Lance Taylor  <iant@google.com>
5963
5964         PR 7091
5965         * target-reloc.h (Default_scan_relocatable_relocs): For each
5966         function, map r_type == 0 to RELOC_DISCARD.
5967
5968 2008-12-10  Cary Coutant  <ccoutant@google.com>
5969
5970         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5971         object to override a kept COMDAT group from a plugin object.
5972
5973 2008-12-09  Ian Lance Taylor  <iant@google.com>
5974
5975         PR 7088
5976         * yyscript.y (file_cmd): Handle INPUT.
5977
5978         * testsuite/initpri1.c: Change all declarations to be full
5979         prototypes by adding void, to avoid compiler warnings.
5980
5981 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5982
5983         * options.cc (General_options::parse_plugin_opt): New.
5984         (General_options::add_plugin): The argument now is just the filename.
5985         (General_options::add_plugin_option): New.
5986         * options.h (plugin_opt): New.
5987         (add_plugin): Change argument name.
5988         (add_plugin_option): New.
5989         * plugin.cc (Plugin::load): Don't parse the plugin option.
5990         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5991         (Plugin::add_option): New.
5992         (Plugin::args_): Change type.
5993         (Plugin::filename_): New.
5994         (Plugin_manager::add_plugin_option): New.
5995         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5996         * testsuite/Makefile.in: Regenerate.
5997
5998 2008-12-05  Cary Coutant  <ccoutant@google.com>
5999
6000         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6001         Handle --strip-lto-sections option.
6002         * options.h (strip_lto_sections): New option.
6003
6004 2008-12-01  Cary Coutant  <ccoutant@google.com>
6005
6006         * plugin.cc (ld_plugin_message): Change format parameter to const.
6007         Fix mismatch between new[] and delete.
6008
6009 2008-11-14  Cary Coutant  <ccoutant@google.com>
6010
6011         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6012         instead of -1U.
6013
6014 2008-11-05  Craig Silverstein  <csilvers@google.com>
6015
6016         * options.cc (General_options::parse_dynamic_list): New function.
6017         * options.h (General_options): New flags dynamic_list,
6018         dynamic_list_data, dynamic_list_cpp_new, and
6019         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
6020         (General_options::in_dynamic_list): New function.
6021         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6022         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6023         (Lex::can_continue_name): Likewise.
6024         (yylex): Likewise.
6025         (read_script_file): New parameter script_options.
6026         (read_dynamic_list): New function.
6027         (Script_options::define_dynamic_list): New function.
6028         (dynamic_list_keyword_parsecodes): New variable.
6029         (dynamic_list_keywords): New variable.
6030         * script.h (Script_options::define_dynamic_list): New function
6031         prototype.
6032         (read_dynamic_list): New function prototype.
6033         * symtab.cc (strprefix): New macro.
6034         (Symbol::should_add_dynsym_entry): Support dynamic_list,
6035         dynamic_list_data, dynamic_list_cpp_new, and
6036         dynamic_list_cpp_typeinfo.
6037         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
6038         (dynamic_list_expr): New rule.
6039         (dynamic_list_nodes): Likewise.
6040         (dynamic_list_node): Likewise.
6041         * testsuite/Makefile.am (dynamic_list): New test.
6042         * testsuite/Makefile.in: Regenerated.
6043         * testsuite/dynamic_list.t: New file.
6044         * testsuite/dynamic_list.sh: New file.
6045
6046 2008-11-05  Craig Silverstein  <csilvers@google.com>
6047
6048         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
6049         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
6050         (t11_last): Likewise.
6051         * testsuite/ver_test_6.c (main): Likewise.
6052
6053 2008-10-07  Cary Coutant  <ccoutant@google.com>
6054
6055         * options.c (General_options::finalize): Add check for -static and
6056         -shared.
6057         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
6058         is not empty.
6059
6060 2008-10-02  Cary Coutant  <ccoutant@google.com>
6061
6062         * plugin.cc (make_sized_plugin_object): Fix conditional
6063         compilation to work when not all targets are enabled.
6064
6065 2008-09-29  Cary Coutant  <ccoutant@google.com>
6066
6067         * archive.cc (Archive::get_file_and_offset): Use filename instead
6068         of name to get library path.
6069         (Archive::include_member): Unlock external member of a thin archive.
6070
6071         * testsuite/Makefile.am (TEST_AR): New variable.
6072         (thin_archive_test_1): New test.
6073         (thin_archive_test_2): New test.
6074         * testsuite/Makefile.in: Regenerate.
6075         * testsuite/thin_archive_main.cc: New file.
6076         * testsuite/thin_archive_test_1.cc: New file.
6077         * testsuite/thin_archive_test_2.cc: New file.
6078         * testsuite/thin_archive_test_3.cc: New file.
6079         * testsuite/thin_archive_test_4.cc: New file.
6080
6081 2008-09-29  Cary Coutant  <ccoutant@google.com>
6082
6083         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
6084         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
6085         instead of -1U.
6086         (Sized_relobj::do_finalize_local_symbols): Likewise.
6087         (Sized_relobj::map_to_kept_section): Likewise.
6088         * object.h (Sized_relobj::invalid_address): New constant.
6089         (Sized_relobj::do_output_section_offset): Check for invalid_address
6090         and return -1ULL.
6091         * output.cc (Output_reloc::local_section_offset): Use constant
6092         invalid_address instead of -1U.
6093         (Output_reloc::get_address): Likewise.
6094         (Output_section::output_address): Change -1U to -1ULL.
6095         * output.h (Output_reloc::invalid_address): New constant.
6096         * reloc.cc (Sized_relobj::write_sections): Use constant
6097         invalid_address instead of -1U.
6098         (Sized_relobj::relocate_sections): Likewise.
6099         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
6100         values for merge sections.
6101         * target-reloc.h (relocate_for_relocatable): Use constant
6102         invalid_address instead of -1U.
6103
6104 2008-09-19  Cary Coutant  <ccoutant@google.com>
6105
6106         Add plugin functionality for link-time optimization (LTO).
6107         * configure.ac (plugins): Add --enable-plugins option.
6108         * configure: Regenerate.
6109         * config.in: Regenerate.
6110         * Makefile.am (LIBDL): New variable.
6111         (CCFILES): Add plugin.cc.
6112         (HFILES): Add plugin.h.
6113         (ldadd_var): Add LIBDL.
6114         * Makefile.in: Regenerate.
6115
6116         * archive.cc: Include "plugin.h".
6117         (Archive::setup): Don't preread archive symbols when using a plugin.
6118         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
6119         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
6120         files.
6121         (Archive::include_member): Add symbols from plugin objects.
6122         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
6123         * descriptors.cc (Descriptors::open): Check for file descriptors
6124         abandoned by plugins.
6125         (Descriptors::claim_for_plugin): New function.
6126         * descriptors.h (Descriptors::claim_for_plugin): New function.
6127         (Open_descriptor::is_claimed): New field.
6128         (claim_descriptor_for_plugin): New function.
6129         * fileread.cc (File_read::claim_for_plugin): New function.
6130         * fileread.h (File_read::claim_for_plugin): New function.
6131         (File_read::descriptor): New function.
6132         * gold.cc: Include "plugin.h".
6133         (queue_initial_tasks): Add task to call plugin hooks for generating
6134         new object files.
6135         * main.cc: Include "plugin.h".
6136         (main): Load plugin libraries.
6137         * object.h (Pluginobj): Declare.
6138         (Object::pluginobj): New function.
6139         (Object::do_pluginobj): New function.
6140         (Object::set_target): New function.
6141         * options.cc: Include "plugin.h".
6142         (General_options::parse_plugin): New function.
6143         (General_options::General_options): Initialize plugins_ field.
6144         (General_options::add_plugin): New function.
6145         * options.h (Plugin_manager): Declare.
6146         (General_options): Add --plugin option.
6147         (General_options::has_plugins): New function.
6148         (General_options::plugins): New function.
6149         (General_options::add_plugin): New function.
6150         (General_options::plugins_): New field.
6151         * plugin.cc: New file.
6152         * plugin.h: New file.
6153         * readsyms.cc: Include "plugin.h".
6154         (Read_symbols::do_read_symbols): Check for archive before checking
6155         for ELF file.  Call plugin hooks to claim files.
6156         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6157         from a real object file; force override when processing replacement
6158         files.
6159         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6160         (Symbol::init_base_object): Likewise.
6161         (Symbol::init_base_output_data): Likewise.
6162         (Symbol::init_base_output_segment): Likewise.
6163         (Symbol::init_base_constant): Likewise.
6164         (Symbol::init_base_undefined): Likewise.
6165         (Symbol::output_section): Assert that object is not a plugin.
6166         (Symbol_table::add_from_pluginobj): New function.
6167         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6168         undefined.
6169         (Symbol_table::sized_write_globals): Likewise.
6170         (Symbol_table::add_from_pluginobj): Instantiate template.
6171         * symtab.h (Sized_pluginobj): Declare.
6172         (Symbol::in_real_elf): New function.
6173         (Symbol::set_in_real_elf): New function.
6174         (Symbol::in_real_elf_): New field.
6175         (Symbol_table::add_from_pluginobj): New function.
6176
6177         * testsuite/Makefile.am (AM_CFLAGS): New variable.
6178         (LIBDL): New variable.
6179         (LDADD): Add LIBDL.
6180         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6181         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6182         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6183         (MOSTLYCLEANFILES): Likewise.
6184         * testsuite/Makefile.in: Regenerate.
6185         * testsuite/plugin_test.c: New file.
6186         * testsuite/plugin_test_1.sh: New file.
6187         * testsuite/plugin_test_2.sh: New file.
6188
6189 2008-09-16  Ian Lance Taylor  <iant@google.com>
6190
6191         * target-reloc.h (relocate_section): Check whether a symbol is
6192         defined by the ABI before reporting an undefined symbol error.
6193         * target.h (Target::is_defined_by_abi): Make parameter const.
6194         (Target::do_is_defined_by_abi): Likewise.
6195         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6196         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6197         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6198         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6199         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6200         * testsuite/Makefile.in: Rebuild.
6201
6202         * fileread.cc (make_view): Add casts to avoid warning.
6203
6204 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6205
6206         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6207         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6208
6209 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6210
6211         * options.h (General_options::output_is_executable): New.
6212         (General_options::output_is_pie): New.
6213         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6214         for shared libraries.
6215         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6216
6217 2008-09-11  Chris Demetriou  <cgd@google.com>
6218
6219         * options.h (origin): New -z option.
6220         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6221         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6222         in DT_FLAGS_1.
6223
6224 2008-09-05  Cary Coutant  <ccoutant@google.com>
6225
6226         * fileread.cc (File_read::make_view): Add check for attempt to map
6227         beyond end of file.
6228
6229 2008-09-05  Cary Coutant  <ccoutant@google.com>
6230
6231         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6232         explicit instantiations.
6233
6234 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6235
6236         PR gold/6858
6237         * options.cc (General_options::finalize): Allow undefined symbols
6238         in shlibs if linking -shared.
6239
6240         PR gold/6859
6241         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6242         symbols as not needing a dynsym entry.
6243
6244 2008-08-20  Craig Silverstein  <csilvers@google.com>
6245
6246         * fileread.cc (File_read::open): Do not lock the file unless it
6247         was successfully opened.
6248
6249 2008-08-14  Cary Coutant  <ccoutant@google.com>
6250
6251         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6252         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6253         * testsuite/tls_test.cc (struct int128): 128-bit struct
6254         for testing TLS relocs with non-zero addend.
6255         (v12): New TLS variable.
6256         (t12): New test.
6257         (t_last): Add check for v12.
6258         * testsuite/tls_test.h (t12): New function.
6259         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6260
6261 2008-08-13  Ian Lance Taylor  <iant@google.com>
6262
6263         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6264         set tls_segment_ or relro_segment_.
6265         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6266         when appropriate.
6267         * output.h (Output_section::clear_is_relro): New function.
6268         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6269         sections specially even when output_data_ is empty.
6270         (Output_segment::maximum_alignment): When first section is relro,
6271         only force alignment for PT_LOAD segments.
6272         * script.cc (script_data_segment_align): New function.
6273         (script_data_segment_relro_end): New function.
6274         * script-c.h (script_data_segment_align): Declare.
6275         (script_data_segment_relro_end): Declare.
6276         * script-sections.h (class Script_sections): Declare
6277         data_segment_align and data_segment_relro_end.  Add fields
6278         segment_align_index_ and saw_relro_end_.
6279         * script-sections.cc (class Sections_element): Add set_is_relro
6280         virtual function.  Add new bool* parameter to place_orphan_here.
6281         Add get_output_section virtual function.
6282         (class Output_section_definition): Add set_is_relro.  Add new
6283         bool* parameter to place_orphan_here.  Add get_output_section.
6284         Add is_relro_ field.
6285         (Output_section_definition::Output_section_definition): Initialize
6286         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6287         and is_relro_ fields.
6288         (Output_section_definition::place_orphan_here): Add is_relro
6289         parameter.
6290         (Output_section_definition::set_section_addresses): Set relro for
6291         output section.
6292         (Output_section_definition::alternate_constraint): Likewise.
6293         (class Orphan_output_section): Add new bool* parameter to
6294         place_orphan_here.  Add get_output_section.
6295         (Orphan_output_section::place_orphan_here): Add is_relro
6296         parameter.
6297         (Script_sections::Script_sections): Initialize
6298         data_segment_align_index_ and saw_relro_end_.
6299         (Script_sections::data_segment_align): New function.
6300         (Script_sections::data_segment_relro_end): New function.
6301         (Script_sections::place_orphan): Set or clear is_relro.
6302         (Script_sections::set_section_addresses): Force alignment of first
6303         TLS section.
6304         * yyscript.y (exp): Call script_data_segment_align and
6305         script_data_segment_relro_end.
6306         * testsuite/relro_script_test.t: New file.
6307         * testsuite/relro_test.cc (using_script): Declare.
6308         (t1, t2): Test using_script.
6309         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6310         (relro_script_test_SOURCES): Define.
6311         (relro_script_test_DEPENDENCIES): Define.
6312         (relro_script_test_LDFLAGS): Define.
6313         (relro_script_test_LDADD): Define.
6314         (relro_script_test.so): New target.
6315         * testsuite/Makefile.in: Rebuild.
6316
6317 2008-08-06  Cary Coutant <ccoutant@google.com>
6318
6319         * archive.cc (Archive::total_archives, Archive::total_members)
6320         (Archive::total_members_loaded): New variables.
6321         (Archive::setup): Add parameter.  Add option to preread
6322         archive symbols.
6323         (Archive::read_armap): Add counter.
6324         (Archive::get_file_and_offset): New function.
6325         (Archive::get_elf_object_for_member): New function.
6326         (Archive::read_all_symbols): New function.
6327         (Archive::read_symbols): New function.
6328         (Archive::add_symbols): Add counters.
6329         (Archive::include_all_members): Use armap to find members if it's
6330         already built.
6331         (Archive::include_member): Skip reading symbols if already read.
6332         Factored code into Archive::get_file_and_offset and
6333         Archive::get_elf_object_for_member.  Changed call to
6334         Mapfile::report_include_archive_member.
6335         (Archive::print_stats): New function.
6336         * archive.h: Declare Object and Read_symbols_data classes.
6337         (Archive::Archive): Add initializers for new members.
6338         (Archive::setup): Add parameter.
6339         (Archive::print_stats): New function.
6340         (Archive::total_archives, Archive::total_members)
6341         (Archive::total_members_loaded): New variables.
6342         (Archive::get_file_and_offset): New function.
6343         (Archive::get_elf_object_for_member): New function.
6344         (Archive::read_all_symbols): New function.
6345         (Archive::read_symbols): New function.
6346         (Archive::Archive_member): New class.
6347         (Archive::members_): New member.
6348         (Archive::num_members_): New member.
6349         * main.cc: Include archive.h.
6350         (main): Call Archive::print_stats.
6351         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6352         archive parameter; member_name is now the fully-decorated name.
6353         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6354         * options.h: (General_options): Add --preread-archive-symbols option.
6355         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6356         Archive::setup.
6357
6358 2008-08-04  Ian Lance Taylor  <iant@google.com>
6359
6360         * symtab.h (Symbol::use_plt_offset): New function.
6361         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6362         * powerpc.cc (Relocate::relocate): Likewise.
6363         * sparc.cc (Relocate::relocate): Likewise.
6364         * x86_64.cc (Relocate::relocate): Likewise.
6365         * testsuite/weak_plt.sh: New test.
6366         * testsuite/weak_plt_main.cc: New test.
6367         * testsuite/weak_plt_shared.cc: New test.
6368         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6369         (check_PROGRAMS): Add weak_plt.
6370         (check_DATA): Add weak_plt_shared.so.
6371         (weak_plt_main_pic.o, weak_plt): New targets.
6372         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6373         * testsuite/Makefile.in: Rebuild.
6374
6375         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6376         gcctestdir/ld.
6377         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6378         * testsuite/Makefile.in: Rebuild.
6379
6380 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6381
6382         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6383         * Makefile.in: Regenerate.
6384         * po/POTFILES.in: Regenerate.
6385
6386 2008-07-29  Ian Lance Taylor  <iant@google.com>
6387
6388         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6389         symbols before other symbols.
6390         * testsuite/script_test_2.cc (test_addr): Declare.
6391         (test_addr_alias): Declare.
6392         (main): Check that test_addr and test_addr_alias have the right
6393         values.
6394         * testsuite/script_test_2.t: Define test_addr_alias and
6395         test_addr.
6396
6397 2008-07-24  Ian Lance Taylor  <iant@google.com>
6398
6399         PR 5990
6400         * descriptors.cc: New file.
6401         * descriptors.h: New file.
6402         * gold-threads.h (class Hold_optional_lock): New class.
6403         * fileread.cc: Include "descriptors.h".
6404         (File_read::~File_read): Release descriptor rather than closing
6405         it.
6406         (File_read::open) [file]: Call open_descriptor rather than open.
6407         Set is_descriptor_opened_.
6408         (File_read::open) [memory]: Assert that descriptor is not open.
6409         (File_read::reopen_descriptor): New function.
6410         (File_read::release): Release descriptor.
6411         (File_read::do_read): Make non-const.  Reopen descriptor.
6412         (File_read::read): Make non-const.
6413         (File_read::make_view): Reopen descriptor.
6414         (File_read::do_readv): Likewise.
6415         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6416         Update declarations.
6417         * layout.cc: Include "descriptors.h".
6418         (Layout::create_build_id): Use open_descriptor rather than open.
6419         * output.cc: Include "descriptors.h".
6420         (Output_file::open): Use open_descriptor rather than open.
6421         * archive.cc (Archive::const_iterator): Change Archive to be
6422         non-const.
6423         (Archive::begin, Archive::end): Make non-const.
6424         (Archive::count_members): Likewise.
6425         * archive.h (class Archive): Update declarations.
6426         * object.h (Object::read): Make non-const.
6427         * Makefile.am (CCFILES): Add descriptors.cc.
6428         (HFILES): Add descriptors.h.
6429         * Makefile.in: Rebuild.
6430
6431         PR 6716
6432         * gold.h: Always include <clocale>.  Add Solaris workarounds
6433         following code in binutils/sysdep.h.
6434
6435         PR 6048
6436         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6437         this->eh_frame_hdr_ is NULL before using it.
6438
6439         * dynobj.cc (Versions::Versions): Update comment.
6440
6441         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6442         the base version name.
6443
6444         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6445         array size plus one.
6446         (Stringpool_template::set_string_offsets): Subtract one from key
6447         before using it as an array index.
6448         (Stringpool_template::get_offset_with_length): Likewise.
6449         (Stringpool_template::write_to_buffer): Likewise.
6450         * stringpool.h (Stringpool_template::get_offset_from_key):
6451         Likewise.
6452
6453 2008-07-23  Ian Lance Taylor  <iant@google.com>
6454
6455         PR 6658
6456         * object.h (Merged_symbol_value::value): Do our best to handle a
6457         negative addend.
6458
6459         PR 6647
6460         * script.cc (Version_script_info::get_versions): Don't add empty
6461         version tag to return value.
6462         (Version_script_info::get_symbol_version_helper): Change return
6463         type to bool.  Add pversion parameter.  Change all callers.
6464         (script_register_vers_node): Don't require a non-NULL tag.
6465         * script.h (class Version_script_info): Update declarations.
6466         (Version_script_info::get_symbol_version): Change return type to
6467         bool.  Add version parameter.  Change all callers.
6468         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6469         handling.  Handle an empty version from a version script.
6470         (Symbol_table::define_special_symbol): Likewise.
6471         * testsuite/ver_test_10.script: New file.
6472         * testsuite/ver_test_10.sh: New file.
6473         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6474         (check_DATA): Add ver_test_10.syms.
6475         (ver_test_10.syms, ver_test_10.so): New target.
6476         * testsuite/Makefile.in: Rebuild.
6477
6478 2008-07-23  Simon Baldwin  <simonb@google.com>
6479
6480         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6481         to zero for undefined symbols from dynamic libraries.
6482
6483 2008-07-23  Ian Lance Taylor  <iant@google.com>
6484
6485         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6486         Change all callers.
6487         * symtab.h (class Symbol_table): Update declaration.
6488         * testsuite/ver_test_9.cc: New file.
6489         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6490         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6491         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6492         (ver_test_9.so, ver_test_9.o): New targets.
6493         * testsuite/Makefile.in: Rebuild.
6494
6495 2008-07-22  Ian Lance Taylor  <iant@google.com>
6496
6497         * options.h (class General_options): Define --check-sections.
6498         * layout.cc (Layout::set_segment_offsets): Handle
6499         --check-sections.
6500
6501         * options.h (class General_options): Define -n/--nmagic and
6502         -N/--omagic.
6503         * options.cc (General_options::finalize): For -n/--nmagic or
6504         -N/--omagic, set -static.
6505         * layout.cc (Layout::attach_allocated_section_to_segment): If
6506         -N/--omagic, don't put read-only and read-write sections in
6507         different segments.
6508         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6509         finding a read-only segment.
6510         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6511         don't set the minimum segment alignment to the common page size,
6512         and don't set the file offset to the address modulo the page size.
6513         * script-sections.cc (Script_sections::create_segments): If
6514         -n/--omagic, don't put read-only and read-write sections in
6515         different segments.
6516
6517         * cref.cc: New file.
6518         * cref.h: New file.
6519         * options.h (class General_options): Add --print-symbol-counts.
6520         * main.cc (main): Issue defined symbol report if requested.
6521         * archive.cc (Archive::interpret_header): Make into a const member
6522         function.
6523         (Archive::add_symbols): Call Input_objects::archive_start and
6524         archive_stop.
6525         (Archive::const_iterator): Define new class.
6526         (Archive::begin, Archive::end): New functions.
6527         (Archive::include_all_members): Rewrite to use iterator.
6528         (Archive::count_members): New function.
6529         * archive.h (class Archive): Update declarations.
6530         (Archive::filename): New function.
6531         * object.cc: Include "cref.h".
6532         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6533         (Sized_relobj::do_get_global_symbol_counts): New function.
6534         (Input_objects::add_object): Add object to cross-referencer.
6535         (Input_objects::archive_start): New function.
6536         (Input_objects::archive_stop): New function.
6537         (Input_objects::print_symbol_counts): New function.
6538         * object.h: Declare Cref and Archive.
6539         (Object::get_global_symbol_counts): New function.
6540         (Object::do_get_global_symbol_counts): New pure virtual function.
6541         (class Sized_relobj): Add defined_count_ field.  Update
6542         declarations.
6543         (class Input_objects): Add cref_ field.  Update constructor.
6544         Update declarations.
6545         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6546         defined_count_.
6547         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6548         symbol counts.
6549         (Sized_dynobj::do_get_global_symbol_counts): New function.
6550         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6551         defined_count_.  Update declarations.  Define Symbols typedef.
6552         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6553         parameter.  Change all callers.
6554         (Symbol_table::add_from_dynobj): Add sympointers and defined
6555         parameters.  Change all callers.
6556         * symtab.h (class Symbol_table): Update declarations.
6557         * Makefile.am (CCFILES): Add cref.cc.
6558         (HFILES): Add cref.h.
6559         * Makefile.in: Rebuild.
6560
6561 2008-07-22  Simon Baldwin  <simonb@google.com>
6562
6563         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6564         to zero when writing undefined symbols.
6565
6566 2008-07-22  Ian Lance Taylor  <iant@google.com>
6567
6568         * output.cc (Output_section::add_input_section): Don't try to
6569         merge empty merge sections.
6570
6571 2008-07-21  Craig Silverstein  <csilvers@google.com>
6572
6573         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6574         Include symbol version in error message.
6575
6576 2008-07-20  Chris Demetriou  <cgd@google.com>
6577
6578         * configure.ac (gold_cv_c_random_seed): New configured variable.
6579         (RANDOM_SEED_CFLAGS): New substituted variable.
6580         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6581         * configure: Rebuild.
6582         * Makefile.in: Likewise.
6583         * testsuite/Makefile.in: Likewise.
6584
6585 2008-07-18  Ian Lance Taylor  <iant@google.com>
6586
6587         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6588         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6589         * testsuite/ver_test_main.cc (main): Call t4.
6590         (t4, t4_2a): Define.
6591         * testsuite/ver_test_2.cc (t4_2): Define.
6592         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6593         * testsuite/ver_test_4.cc (t4_2a): Define.
6594         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6595         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6596
6597 2008-07-17  Ian Lance Taylor  <iant@google.com>
6598
6599         * dynobj.cc (Versions::add_def): If we give an error about a
6600         missing version, go ahead and create the version anyhow.
6601
6602 2008-07-10  Ian Lance Taylor  <iant@google.com>
6603
6604         Handle output sections with more than 0x7fffffff bytes.
6605         * object.h (class Relobj): Change map_to_output_ to
6606         output_sections_, and just keep a section pointer.  Change all
6607         uses.  Move comdat group support to Sized_relobj.
6608         (Relobj::is_section_specially_mapped): Remove.
6609         (Relobj::output_section): Remove poff parameter.  Change all
6610         callers.
6611         (Relobj::output_section_offset): New function.
6612         (Relobj::set_section_offset): Rewrite.
6613         (Relobj::map_to_output): Remove.
6614         (Relobj::output_sections): New function.
6615         (Relobj::do_output_section_offset): New pure virtual function.
6616         (Relobj::do_set_section_offset): Likewise.
6617         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6618         group support from Relobj.  Update declarations.
6619         (Sized_relobj::get_output_section_offset): New function.
6620         (Sized_relobj::do_output_section_offset): New function.
6621         (Sized_relobj::do_set_section_offset): New function.
6622         * object.cc (Relobj::output_section_address): Remove.
6623         (Sized_relobj::Sized_relobj): Initialize new fields.
6624         (Sized_relobj::include_section_group): Cast find_kept_object to
6625         Sized_relobj.
6626         (Sized_relobj::include_linkonce_section): Likewise.
6627         (Sized_relobj::do_layout): Use separate arrays for output section
6628         and output offset.
6629         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6630         output_sections.
6631         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6632         output_sections and section_offsets.
6633         (Sized_relobj::write_local_symbols): Likewise.
6634         (map_to_kept_section): Compute output address directly.
6635         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6636         output_sections and section_offsets.
6637         (Sized_relobj::write_sections): Likewise.
6638         (Sized_relobj::relocate_sections): Likewise.
6639         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6640         * output.h (class Output_reloc): Update declarations.  Change
6641         u2_.relobj to Sized_relobj*.
6642         (class Output_data_reloc): Change add functions to use
6643         Sized_relobj*.
6644         * output.cc (Output_reloc::Output_reloc): Change relobj to
6645         Sized_relobj*.
6646         (Output_reloc::local_section_offset): Change return type to
6647         Elf_Addr.  Use get_output_section_offset.
6648         (Output_reloc::get_address): Likewise.
6649         (Output_section::is_input_address_mapped): Don't call
6650         is_section_specially_mapped.
6651         (Output_section::output_offset): Likewise.
6652         (Output_section::output_address): Likewise.
6653         (Output_section::starting_output_address): Likewise.
6654         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6655         parameter to Sized_relobj*.
6656         (Copy_relocs::need_copy_reloc): Likewise.
6657         (Copy_relocs::save): Likewise.
6658         * copy-relocs.h (class Copy_relocs): Update declarations.
6659         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6660         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6661         * target-reloc.h (relocate_for_relocatable): Change
6662         offset_in_output_section type to Elf_Addr.  Change code that uses
6663         it as well.
6664         * layout.cc (Layout::layout): Always set *off.
6665         * mapfile.cc (Mapfile::print_input_section): Use
6666         output_section_offset.
6667         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6668         Sized_relobj*.
6669         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6670         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6671         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6672
6673 2008-07-03  Ian Lance Taylor  <iant@google.com>
6674
6675         * layout.cc (Layout::include_section): Do not discard unrecognized
6676         SHT_STRTAB sections.
6677
6678 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6679
6680         * script.cc (Lex::can_continue_name): Make '?' allowable in
6681         version-script names.
6682         * testsuite/version_script.map: Change glob pattern to use '?'
6683
6684 2008-06-30  Manish Singh  <yosh@gimp.org>
6685
6686         PR 6585
6687         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6688         Correct typo.
6689
6690 2008-06-30  Ian Lance Taylor  <iant@google.com>
6691
6692         PR 6660
6693         PR 6682
6694         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6695         versions]: Don't try to read the value in the contents, since we
6696         don't use it.  Use the template endianness when writing.
6697
6698 2008-06-25  Cary Coutant  <ccoutant@google.com>
6699
6700         * fileread.cc (File_read::make_view): Assert on zero-length view.
6701         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6702         symbol table when there are no symbols to read.
6703
6704 2008-06-23  Craig Silverstein  <csilvers@google.com>
6705
6706         * version.cc (version_string): Bump to 1.7
6707
6708 2008-06-18  Craig Silverstein  <csilvers@google.com>
6709
6710         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6711         constant 0xFFFF to type Valtype.
6712         (Powerpc_relocate_functions::rel16_ha): Likewise.
6713
6714 2008-06-17  Ian Lance Taylor  <iant@google.com>
6715
6716         * output.h (Output_section::Input_section): Initialize p2align_ to
6717         zero for Output_section_data constructors.
6718         (Output_section::Input_section::addralign): If not an input
6719         section, return the alignment of the Output_section_data.
6720         * testsuite/copy_test.cc: New file.
6721         * testsuite/copy_test_1.cc: New file.
6722         * testsuite/copy_test_2.cc: New file.
6723         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6724         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6725         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6726         (copy_test_1_pic.o, copy_test_1.so): New targets.
6727         (copy_test_2_pic.o, copy_test_2.so): New targets.
6728         * testsuite/Makefile.in: Rebuild.
6729
6730         * script-sections.cc (Script_sections::place_orphan): Initialize
6731         local variable exact.
6732
6733 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6734
6735         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6736
6737 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6738             David S. Miller  <davem@davemloft.net>
6739
6740         * powerpc.cc: New file.
6741         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6742         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6743         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6744         * Makefile.in: Rebuild.
6745
6746 2008-06-09  Ian Lance Taylor  <iant@google.com>
6747
6748         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6749         <exception>.
6750         (throwing, orig_terminate): New static variables.
6751         (terminate_handler): New static function.
6752         (t2): Set terminate handler.
6753
6754 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6755
6756         PR 6584
6757         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6758         alignment.
6759
6760 2008-05-30  Cary Coutant  <ccoutant@google.com>
6761
6762         * archive.cc (Archive::include_all_members) Correct to step
6763         over symbol table and extended name table in thin archives.
6764
6765 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6766
6767         PR 6407
6768         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6769         calculation.
6770
6771 2008-05-28  Caleb Howe  <cshowe@google.com>
6772
6773         * reduced_debug_output.cc: New file.
6774         * reduced_debug_output.h: New file.
6775         * options.h (class General_options): Add --strip-debug-non-line.
6776         * options.cc (General_options::finalize): Add strip_debug_non_line
6777         to the strip heirarchy.
6778         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6779         fields.
6780         * layout.cc: Include "reduced_debug_output.h".
6781         (Layout::Layout): Initialize new fields.
6782         (line_only_debug_sections): New static array.
6783         (is_lines_only_debug_sections): New static inline function.
6784         (Layout::include_section): Handle --strip-debug-non-line.
6785         (Layout::make_output_section): If --strip-debug-non-line, build
6786         new output sections for .debug_abbrev and .debug_info.
6787         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6788         gold.  Warn about possible overflow.
6789         (read_signed_LEB_128): Likewise.
6790         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6791         (read_signed_LEB_128): Declare.
6792         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6793         (HFILES): Add reduced_debug_output.h.
6794         * Makefile.in: Rebuild.
6795
6796 2008-05-21  Ian Lance Taylor  <iant@google.com>
6797
6798         * mapfile.cc: New file.
6799         * mapfile.h: New file.
6800         * options.h (class General_options): Add -M/--print-map and -Map.
6801         * options.cc (General_options::finalize): Make -M equivalent to
6802         -Map -.
6803         * main.cc: Include <cstdio> and "mapfile.h".
6804         (main): Open mapfile if requested.
6805         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6806         constructor.  Change caller.
6807         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6808         (queue_middle_tasks): Likewise.
6809         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6810         declarations.
6811         * archive.cc: Include "mapfile.h".
6812         (Archive::add_symbols): Add mapfile parameter.  Change all
6813         callers.  Pass mapfile, symbol, and reason to include_member.
6814         (Archive::include_all_members): Add mapfile parameter.  Change all
6815         callers.
6816         (Archive::include_member): Add mapfile, sym, and why parameters.
6817         Change all callers.  Report inclusion to map file.
6818         * archive.h: Include "fileread.h".
6819         (class Archive): Update declarations.
6820         (Archive::file): New const method.
6821         (class Add_archive_symbols): Add mapfile_ field.  Update
6822         constructor.  Change all callers.
6823         * readsyms.h (class Read_symbols): Likewise.
6824         (class Finish_group): Likewise.
6825         (class Read_script): Likewise.
6826         * common.cc: Include "mapfile.h".
6827         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6828         all callers.
6829         (Symbol_table::do_allocate_commons): Likewise.
6830         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6831         symbol allocation to mapfile.
6832         * common.h (class Allocate_commons_task): Add mapfile_ field.
6833         Update constructor.  Change all callers.
6834         * symtab.h (class Symbol_table): Update declarations.
6835         * layout.cc: Include "mapfile.h".
6836         (Layout_task_runner::run): Print information to mapfile.
6837         (Layout::create_gold_note): Change Output_data_fixed_space to
6838         Output_data_zero_fill.
6839         (Layout::create_build_id): Likewise.
6840         (Layout::print_to_mapfile): New function.
6841         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6842         constructor.  Change caller.
6843         (class Layout): Declare print_to_mapfile.
6844         * output.cc (Output_section::Input_section::print_to_mapfile): New
6845         function.
6846         (Output_section::add_input_section): If producing a map, always
6847         add to input_sections_ list.
6848         (Output_section::do_print_to_mapfile): New function.
6849         (Output_segment::print_sections_to_mapfile): New function.
6850         (Output_segment::print_section_list_to_mapfile): New function.
6851         * output.h: Include "mapfile.h".
6852         (Output_data::print_to_mapfile): New function.
6853         (Output_data::do_print_to_mapfile): New virtual function.
6854         (Output_segment_headers::do_print_to_mapfile): New function.
6855         (Output_file_header::do_print_to_mapfile): New function.
6856         (Output_data_const::do_print_to_mapfile): New function.
6857         (class Output_data_const_buffer): Add map_name_ field.  Update
6858         constructor.  Change all callers.  Add do_print_to_mapfile
6859         function.
6860         (class Output_data_fixed_space): Likewise.
6861         (class Output_data_space): Likewise.
6862         (class Output_data_zero_fill): New class.
6863         (Output_data_strtab::do_print_to_mapfile): New function.
6864         (Output_data_reloc_base::do_print_to_mapfile): New function.
6865         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6866         (Output_data_group::do_print_to_mapfile): New function.
6867         (Output_data_got::do_print_to_mapfile): New function.
6868         (Output_data_dynamic::do_print_to_mapfile): New function.
6869         (Output_symtab_xindex::do_print_to_mapfile): New function.
6870         (class Output_section): Declare do_print_to_mapflie.  Declare
6871         print_to_mapfile in Input_section.
6872         (class Output_segment): Declare new functions.
6873         * object.h (Sized_relobj::symbol_count): New function.
6874         * script-sections.cc
6875         (Output_section_element_dot_assignment::set_section_addresses):
6876         Change Output_data_fixed_space to Output_data_zero_fill.
6877         (Output_data_expression::do_print_to_mapfile): New function.
6878         * script.cc (read_input_script): Add mapfile parameter.  Change
6879         all callers.
6880         * script.h (read_input_script): Update declaration.
6881         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6882         (Eh_frame::do_print_to_mapfile): New function.
6883         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6884         (Output_merge_string::do_print_to_mapfile): New function.
6885         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6886         function.
6887         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6888         function.
6889         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6890         function.
6891         * Makefile.am (CCFILES): Add mapfile.cc.
6892         (HFILES): Add mapfile.h.
6893         * Makefile.in: Rebuild.
6894
6895 2008-05-19  Ian Lance Taylor  <iant@google.com>
6896
6897         * options.h (class General_options): Add -z relro.
6898         * layout.cc (Layout::Layout): Initialize relro_segment_.
6899         (Layout::add_output_section_data): Return the output section.
6900         (Layout::make_output_section): Rcognize relro sections and mark
6901         them appropriately.
6902         (Layout::attach_allocated_section_to_segment): Put relro sections
6903         in a PT_GNU_RELRO segment.
6904         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6905         section as relro.
6906         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6907         PT_TLS segments.
6908         (Layout::linkonce_mapping): Map d.rel.ro.local to
6909         .data.rel.ro.local.
6910         (Layout::output_section_name): Us .data.rel.ro.local for any
6911         section which begins with that.
6912         * layout.h (class Layout): Update add_output_section_data
6913         declaration.  Add relro_segment_ field.
6914         * output.cc (Output_section::Output_section): Initialize is_relro_
6915         and is_relro_local_ fields.
6916         (Output_segment::add_output_section): Group relro sections.
6917         (Output_segment::is_first_section_relro): New function.
6918         (Output_segment::maximum_alignment): If there is a relro section,
6919         align the segment to the common page size.
6920         (Output_segment::set_section_addresses): Track whether we are
6921         looking at relro sections.  If the last section is a relro
6922         section, align to the common page size.
6923         (Output_segment::set_section_list_addresses): Add in_relro
6924         parameter.  Change all callers.  Align to the page size when
6925         moving from relro to non-relro section.
6926         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6927         segment.
6928         * output.h (class Output_section): Add is_relro_ and
6929         is_relro_local_ fields.
6930         (Output_section::is_relro): New function.
6931         (Output_section::set_is_relro): New function.
6932         (Output_section::is_relro_local): New function.
6933         (Output_section::set_is_relro_local): New function.
6934         (class Output_segment): Update declarations.
6935         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6936         * sparc.cc (Target_sparc::got_section): Likewise.
6937         * x86_64.cc (Target_x86_64::got_section): Likewise.
6938         * testsuite/relro_test_main.cc: New file.
6939         * testsuite/relro_test.cc: New file.
6940         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6941         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6942         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6943         (relro_test.so, relro_test_pic.o): New targets.
6944         * testsuite/Makefile.in: Rebuild.
6945
6946 2008-05-16  Ian Lance Taylor  <iant@google.com>
6947
6948         * output.cc (Output_segment::add_output_section): Remove front
6949         parameter.
6950         * output.h (class Output_segment): Remove
6951         add_initial_output_section and overloaded add_output_section.
6952         Update declaration of remaining add_output_section.
6953         * layout.cc (Layout::create_interp): Call add_output_section
6954         rather than add_initial_output_section.
6955         (Layout::finish_dynamic_section): Likewise.
6956
6957         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6958         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6959         know the dynamic type.
6960         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6961         field.  Initialize it in constructor.
6962         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6963         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6964         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6965         reloc.
6966
6967         * output.cc (Output_reloc::get_address): Change return type to
6968         Elf_Addr.
6969         * output.h (class Output_reloc): Update get_address declaration.
6970         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6971         for section addresses.
6972
6973 2008-05-09  Ian Lance Taylor  <iant@google.com>
6974
6975         PR 6493
6976         * gold.cc (gold_nomem): Use return value of write.
6977
6978 2008-05-08  Ian Lance Taylor  <iant@google.com>
6979
6980         * symtab.c (Symbol::init_base_output_data): Add version
6981         parameter.  Change all callers.
6982         (Symbol::init_base_output_segment): Likewise.
6983         (Symbol::init_base_constant): Likewise.
6984         (Symbol::init_base_undefined): Likewise.
6985         (Sized_symbol::init_output_data): Likewise.
6986         (Sized_symbol::init_output_segment): Likewise.
6987         (Sized_symbol::init_constant): Likewise.
6988         (Sized_symbol::init_undefined): Likewise.
6989         (Symbol_table::do_define_in_output_data): If the new symbol has a
6990         version, mark it as the default.
6991         (Symbol_table::do_define_in_output_segment): Likewise.
6992         (Symbol_table::do_define_as_constant): Likewise.
6993         * symtab.h (class Symbol): Update declarations.
6994         (class Sized_symbol): Likewise.
6995         * resolve.cc (Symbol::override_version): New function.
6996         (Symbol::override_base): Call override_version.
6997         (Symbol::override_base_with_special): Likewise.
6998         * testsuite/ver_script_8.script: New file.
6999         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7000         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7001         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7002         (ver_test_8_1.so, ver_test_8_2.so): New targets.
7003
7004 2008-05-06  Ian Lance Taylor  <iant@google.com>
7005
7006         PR 6049
7007         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7008         functions.
7009         (class General_options): Remove existing --undefined, and add
7010         --no-undefined instead.  Add new --undefined as synonym for -u.
7011         * archive.cc (Archive::add_symbols): Check whether symbol was
7012         named with -u.
7013         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7014         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7015         all uses.  Add IS_UNDEFINED.  Update declarations to split
7016         different versions of init_base.  Declare init_base_undefined.
7017         (Symbol::is_defined): Handle IS_UNDEFINED.
7018         (Symbol::is_undefined): Likewise.
7019         (Symbol::is_weak_undefined): Call is_undefined.
7020         (Symbol::is_absolute): Handle IS_CONSTANT.
7021         (class Sized_symbol): Update declarations to split different
7022         versions of init.  Declare init_undefined.
7023         (class Symbol_table): Declare new functions.
7024         * symtab.cc (Symbol::init_base_object): Rename from init_base.
7025         Change all callers.
7026         (Symbol::init_base_output_data): Likewise.
7027         (Symbol::init_base_output_segment): Likewise.
7028         (Symbol::init_base_constant): Likewise.
7029         (Symbol::init_base_undefined): New function.
7030         (Sized_symbol::init_object): Rename from init.  Change all
7031         callers.
7032         (Sized_symbol::init_output_data): Likewise.
7033         (Sized_symbol::init_output_segment): Likewise.
7034         (Sized_symbol::init_constant): Likewise.
7035         (Sized_symbol::init_undefined): New function.
7036         (Symbol_table::add_undefined_symbols_from_command_line): New
7037         function.
7038         (Symbol_table::do_add_undefined_symbols_from_command_line): New
7039         function.
7040         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
7041         (Symbol::output_section): Likewise.
7042         (Symbol::set_output_section): Likewise.
7043         (Symbol_table::sized_finalize_symbol): Likewise.
7044         (Symbol_table::sized_write_globals): Likewise.
7045         * resolve.cc (Symbol_table::should_override): Likewise.
7046         (Symbol::override_base_with_special): Likewise.
7047
7048         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
7049         symbol, change it to have default visibility.
7050         * testsuite/protected_1.cc: New file.
7051         * testsuite/protected_2.cc: New file.
7052         * testsuite/protected_3.cc: New file.
7053         * testsuite/protected_main_1.cc: New file.
7054         * testsuite/protected_main_2.cc: New file.
7055         * testsuite/protected_main_3.cc: New file.
7056         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
7057         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
7058         (protected_1_LDFLAGS, protected_1_LDADD): Define.
7059         (protected_1.so): New target.
7060         (protected_1_pic.o, protected_2_pic.o): New targets.
7061         (protected_3_pic.o): New target.
7062         (check_PROGRAMS): Add protected_2.
7063         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
7064         (protected_2_LDFLAGS, protected_2_LDADD): Define.
7065         * testsuite/Makefile.in: Rebuild.
7066
7067         * options.h (DEFINE_var): Add set_user_set_##varname__.
7068         (DEFINE_bool_alias): New macro.
7069         (class General_options): Define -Bstatic using DEFINE_bool_alias
7070         rather than DEFINE_special.  Add --undefined as an alias for -z
7071         defs.
7072         * options.cc (General_options::parse_Bstatic): Remove.
7073
7074         * options.h (class General_options): Add --fatal-warnings.
7075         * main.cc (main): Implement --fatal-warnings.
7076         * errors.h (Errors::warning_count): New function.
7077
7078         * options.h (class General_options): Add -Bsymbolic-functions.
7079         * symtab.h (Symbol::is_preemptible): Check for
7080         -Bsymbolic-functions.
7081
7082 2008-05-05  Ian Lance Taylor  <iant@google.com>
7083
7084         * options.h (DEFINE_bool): For DASH_Z, create the negative option
7085         as noVARNAME rather than no-VARNAME.
7086         (class General_options): Add option -z combreloc.
7087         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
7088         get_address.
7089         (Output_reloc::sort_before) [SHT_REL]: New function.
7090         (Output_reloc::sort_before) [SHT_RELA]: New function.
7091         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
7092         Sort_relocs_comparison.
7093         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
7094         parameter.  Change all callers.
7095         (Output_data_reloc::Output_data_reloc) [both versions]: Add
7096         sort_relocs parameter.  Change all callers.
7097         * output.cc (Output_reloc::get_address): New function, broken out
7098         of write_rel.
7099         (Output_reloc::write_rel): Call it.
7100         (Output_reloc::compare): New function.
7101         (Output_data_reloc_base::do_write): Optionally sort relocs.
7102
7103         * configure.ac: If targ_extra_obj is set, link it in.
7104         * configure.tgt: Initialize all variables.
7105         (x86_64*): Set targ_extra_obj and targ_extra_size.
7106         * configure: Rebuild.
7107
7108         * object.cc (Sized_relobj::include_section_group): Adjust section
7109         indexes read from group data.  Build vector to pass to
7110         layout_group.
7111         * layout.cc (Layout::layout_group): Add flags and shndxes
7112         parameters.  Remove contents parameter.  Change caller.  Update
7113         explicit instantiations.
7114         * layout.h (class Layout): Update layout_group declaration.
7115         * output.cc (Output_data_group::Output_data_group): Add flags and
7116         input_shndxes parameters.  Remove contents parameter.  Change
7117         caller.
7118         (Output_data_group::do_write): Change input_sections_ to
7119         input_shndxes_.
7120         * output.h (class Output_data_group): Update constructor
7121         declaration.  Rename input_sections_ to input_shndxes_.
7122         * testsuite/many_sections_test.cc: Add template.
7123
7124 2008-04-30  Cary Coutant  <ccoutant@google.com>
7125
7126         * target-reloc.h (relocate_section): Fix dead-pointer bug.
7127
7128         * layout.cc (Layout::include_section): Refactored check for debug
7129         info section.
7130         (Layout::add_comdat): Add new parameters.  Change type
7131         of signature parameter.  Add object and shndx to signatures table.
7132         (Layout::find_kept_object): New function.
7133         * layout.h: Include <cstring>.
7134         (Layout::is_debug_info_section): New function.
7135         (Layout::add_comdat): Add new parameters.
7136         (Layout::find_kept_object): New function.
7137         (Layout::Kept_section): New struct.
7138         (Layout::Signatures): Change type of map range.
7139         * object.cc (Relobj::output_section_address): New function.
7140         (Sized_relobj::include_section_group): Add new parameters.  Change
7141         calls to Layout::add_comdat.  Change to build table of kept comdat
7142         groups and table mapping discarded sections to kept sections.
7143         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
7144         (Sized_relobj::do_layout): Change calls to include_section_group and
7145         include_linkonce_section.
7146         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7147         value to zero when section is discarded.
7148         (Sized_relobj::map_to_kept_section): New function.
7149         * object.h (Relobj::output_section_address): New function.
7150         (Relobj::Comdat_group): New type.
7151         (Relobj::find_comdat_group): New function.
7152         (Relobj::Comdat_group_table): New type.
7153         (Relobj::Kept_comdat_section): New type.
7154         (Relobj::Kept_comdat_section_table): New type.
7155         (Relobj::add_comdat_group): New function.
7156         (Relobj::set_kept_comdat_section): New function.
7157         (Relobj::get_kept_comdat_section): New function.
7158         (Relobj::comdat_groups_): New field.
7159         (Relobj::kept_comdat_sections_): New field.
7160         (Symbol_value::input_value): Update comment.
7161         (Sized_relobj::map_to_kept_section) New function.
7162         (Sized_relobj::include_linkonce_section): Add new parameter.
7163         * target-reloc.h (Comdat_behavior): New type.
7164         (get_comdat_behavior): New function.
7165         (relocate_section): Add code to map a discarded section to the
7166         corresponding kept section when applying a relocation.
7167
7168 2008-04-30  Craig Silverstein  <csilvers@google.com>
7169
7170         * dwarf_reader.cc (next_generation_count): New static var.
7171         (Addr2line_cache_entry): New struct.
7172         (addr2line_cache): New static var.
7173         (Dwarf_line_info::one_addr2line): Added caching.
7174         (Dwarf_line_info::clear_addr2line_cache): New function.
7175         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7176         cache-size parameter.
7177         (Dwarf_line_info::one_addr2line_cache): New function.
7178         * symtab.cc (Symbol_table::detect_odr_violations): Pass
7179         new cache-size argument to one_addr2line(), and clear cache.
7180
7181 2008-04-28  Cary Coutant  <ccoutant@google.com>
7182
7183         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7184         R_386_PC8 relocations.
7185
7186 2008-04-23  Ian Lance Taylor  <iant@google.com>
7187
7188         * object.cc (Sized_relobj::include_section_group): Check for
7189         invalid section group.
7190
7191         * object.cc (make_elf_object): Correct test for 64-bit ELF file
7192         header size.
7193
7194         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7195         than read for file header.
7196         * archive.cc (Archive::include_member): Likewise.
7197
7198 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
7199
7200         * aclocal.m4: Regenerate.
7201         * configure: Regenerate.
7202
7203 2008-04-19  Ian Lance Taylor  <iant@google.com>
7204
7205         * version.cc (version_string): Bump to 1.6.
7206
7207         * testsuite/Makefile.am (many_sections_r_test): New target.
7208         (many_sections_r_test_SOURCES): Remove.
7209         (many_sections_r_test_DEPENDENCIES): Remove.
7210         (many_sections_r_test_LDFLAGS): Remove.
7211         (many_sections_r_test_LDADD): Remove.
7212
7213         * object.cc (Sized_relobj::do_add_symbols): Always pass
7214         local_symbol_count_ to add_from_relobj.
7215
7216         * testsuite/Makefile.am (many_sections_check.h): Only check one in
7217         every thousand variables.
7218         * testsuite/Makefile.in: Rebuild.
7219
7220         * object.cc (Xindex::initialize_symtab_xindex): New function.
7221         (Xindex::read_symtab_xindex): New function.
7222         (Xindex::sym_xindex_to_shndx): New function.
7223         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7224         available.
7225         (Sized_relobj::do_initialize_xindex): New function.
7226         (Sized_relobj::do_read_symbols): Adjust section links.
7227         (Sized_relobj::symbol_section_and_value): Add is_ordinary
7228         parameter.  Change all callers.
7229         (Sized_relobj::include_section_group): Adjust section links and
7230         symbol section indexes.
7231         (Sized_relobj::do_layout): Adjust section links.
7232         (Sized_relobj::do_count_local_symbols): Adjust section links and
7233         symbol section indexes.
7234         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7235         ordinary and special symbols.
7236         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7237         dynsym_xindex parameters.  Change all callers.  Adjust section
7238         links.  Use SHN_XINDEX when needed.
7239         (Sized_relobj::get_symbol_location_info): Adjust section links.
7240         Don't get fooled by special symbols.
7241         * object.h (class Xindex): Define.
7242         (class Object): Add xindex_ parameter.  Declare virtual functoin
7243         do_initialize_xindex.
7244         (Object::adjust_sym_shndx): New function.
7245         (Object::set_xindex): New protected function.
7246         (class Symbol_value): Add is_ordinary_shndx_ field.
7247         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7248         (Symbol_value::value): Assert ordinary section.
7249         (Symbol_value::initialize_input_to_output_map): Likewise.
7250         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7251         Change all callers.
7252         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7253         all callers.
7254         (class Sized_relobj): Update declarations.
7255         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7256         parameter.  Change all callers.
7257         (Sized_relobj::adjust_shndx): New function.
7258         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7259         field.
7260         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7261         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7262         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7263         (Sized_dynobj::read_dynsym_section): Adjust section links.
7264         (Sized_dynobj::read_dynamic): Likewise.
7265         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7266         section links.
7267         (Sized_dynobj::do_initialize_xindex): New function.
7268         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7269         do_initialize_xindex.
7270         (Sized_dynobj::adjust_shndx): New function.
7271         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7272         dynsym_xindex_ fields.
7273         (Layout::finalize): Add a call to set_section_indexes before
7274         creating the symtab sections.
7275         (Layout::set_section_indexes): Don't do anything if the section
7276         already has a section index.
7277         (Layout::create_symtab_sections): Add shnum parameter.  Change
7278         caller.  Create .symtab_shndx section if needed.
7279         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7280         caller.
7281         (Layout::allocated_output_section_count): New function.
7282         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7283         needed.
7284         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7285         fields.  Update declarations.
7286         (Layout::symtab_xindex): New function.
7287         (Layout::dynsym_xindex): New function.
7288         (class Write_symbols_task): Add layout_ field.
7289         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7290         Change caller.
7291         * output.cc (Output_section_headers::Output_section_headers): Add
7292         shstrtab_section parameter.  Change all callers.
7293         (Output_section_headers::do_sized_write): Store overflow values
7294         for section count and section string table section index in
7295         section header zero.
7296         (Output_file_header::do_sized_write): Check for overflow of
7297         section count and section string table section index.
7298         (Output_symtab_xindex::do_write): New function.
7299         (Output_symtab_xindex::endian_do_write): New function.
7300         * output.h (class Output_section_headers): Add shstrtab_section_.
7301         Update declarations.
7302         (class Output_symtab_xindex): Define.
7303         (Output_section::has_out_shndx): New function.
7304         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7305         field.
7306         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7307         Change all callers.
7308         (Sized_symbol::init): Likewise.
7309         (Symbol::output_section): Check for ordinary symbol.
7310         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7311         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7312         callers.
7313         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7314         Change all callers.  Simplify handling of symbols from sections
7315         not included in the link.
7316         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7317         distinction.
7318         (Weak_alias_sorter::operator()): Assert that symbols are
7319         ordinary.
7320         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7321         distinction.
7322         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7323         parameters.  Change all callers.
7324         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7325         symbol distinction.  Use SHN_XINDEX when needed.
7326         (Symbol_table::write_section_symbol): Add symtab_xindex
7327         parameter.  Change all callers.
7328         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7329         SHN_XINDEX when needed.
7330         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7331         declarations.
7332         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7333         (Symbol::is_defined): Check is_ordinary.
7334         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7335         (Symbol::is_absolute, Symbol::is_common): Likewise.
7336         (class Sized_symbol): Update declarations.
7337         (class Symbol_table): Update declarations.
7338         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7339         parameters.  Change all callers.
7340         (Sized_symbol::override): Likewise.
7341         (Symbol_table::override): Likewise.
7342         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7343         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7344         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7345         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7346         to be in an ordinary section.
7347         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7348         object and is_ordinary parameters.  Change all callers.
7349         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7350         Change all callers.  Don't add undefined or non-ordinary symbols
7351         to reloc_map_.
7352         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7353         Change all callers.
7354         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7355         declarations.
7356         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7357         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7358         (Sized_relobj::relocate_sections): Likewise.
7359         * target-reloc.h (scan_relocs): Adjust section symbol index.
7360         (scan_relocatable_relocs): Likewise.
7361         * i386.cc (Scan::local): Check for ordinary symbols.
7362         * sparc.cc (Scan::local): Likewise.
7363         * x86_64.cc (Scan::local): Likewise.
7364         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7365         to symbol_section_and_value.
7366         * testsuite/many_sections_test.cc: New file.
7367         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7368         (check_PROGRAMS): Add many_sections_test.
7369         (many_sections_test_SOURCES): Define.
7370         (many_sections_test_DEPENDENCIES): Define.
7371         (many_sections_test_LDFLAGS): Define.
7372         (BUILT_SOURCES): Add many_sections_define.h.
7373         (many_sections_define.h): New target.
7374         (BUILT_SOURCES): Add many_sections_check.h.
7375         (many_sections_check.h): New target.
7376         (check_PROGRAMS): Add many_sections_r_test.
7377         (many_sections_r_test_SOURCES): Define.
7378         (many_sections_r_test_DEPENDENCIES): Define.
7379         (many_sections_r_test_LDFLAGS): Define.
7380         (many_sections_r_test_LDADD): Define.
7381         (many_sections_r_test.o): New target.
7382         * testsuite/Makefile.in: Rebuild.
7383
7384 2008-04-17  Cary Coutant  <ccoutant@google.com>
7385
7386         * errors.cc (Errors::info): New function.
7387         (gold_info): New function.
7388         * errors.h (Errors::info): New function.
7389         * gold.h (gold_info): New function.
7390         * object.cc (Input_objects::add_object): Print trace output.
7391         * options.cc (options::parse_set): New function.
7392         (General_options::parse_wrap): Deleted.
7393         (General_options::General_options): Deleted initializer.
7394         * options.h (options::String_set): New typedef.
7395         (options::parse_set): New function.
7396         (DEFINE_set): New macro.
7397         (General_options::wrap): Changed to use DEFINE_set. Changed
7398         callers of any_wrap_symbols and is_wrap_symbol.
7399         (General_options::trace, General_options::trace_symbol):
7400         New options.
7401         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7402         (General_options::wrap_symbols_): Deleted.
7403         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7404
7405 2008-04-17  David S. Miller  <davem@davemloft.net>
7406
7407         * options.cc (General_options::parse_V): New function.
7408         * options.h: Add entries for -V and -Qy.
7409
7410 2008-04-17  Ian Lance Taylor  <iant@google.com>
7411
7412         * common.cc (Symbol_table::allocate_commons): Remove options
7413         parameter.  Change caller.
7414         (Symbol_table::do_allocate_commons): Remove options parameter.
7415         Change caller.  Just call do_allocate_commons_list twice.
7416         (Symbol_table::do_allocate_commons_list): New function, broken out
7417         of do_allocate_commons.
7418         * common.h (class Allocate_commons_task): Remove options_ field.
7419         Update constructor.
7420         * symtab.cc (Symbol_table::Symbol_table): Initialize
7421         tls_commons_.
7422         (Symbol_table::add_from_object): Put TLS common symbols on
7423         tls_commons_ list.
7424         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7425         which are IN_OUTPUT_DATA.
7426         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7427         allocate_commons and do_allocate_commons declarations.  Declare
7428         do_allocate_commons_list.
7429         * gold.cc (queue_middle_tasks): Update creation of
7430         Allocate_commons_task to not pass options.
7431         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7432         (TLS_TEST_C_FLAGS): New variable.
7433         (tls_test_c_pic.o): New target.
7434         (tls_test_shared.so): Link in tls_test_c_pic.o.
7435         (tls_test_c_pic_ie.o): New target.
7436         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7437         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7438         (tls_test_c.o): New target.
7439         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7440         (tls_pic_test_LDADD): Likewise.
7441         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7442         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7443         (tls_test_c_gnu2.o): New target.
7444         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7445         tls_test_c_gnu2.o.
7446         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7447         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7448         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7449         * testsuite/tls_test.cc: Include "config.h".
7450         (t_last): Call t11_last.
7451         * testsuite/tls_test.h (t11, t11_last): Declare.
7452         * testsuite/tls_test_c.c: New file.
7453         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7454         * configure.ac: Check for OpenMP support.
7455         * configure, config.in, Makefile.in: Rebuild.
7456         * testsuite/Makefile.in: Rebuild.
7457
7458 2008-04-16  Cary Coutant  <ccoutant@google.com>
7459
7460         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7461         (Target_i386::tls_base_symbol_defined_): New field.
7462         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7463         (Target_i386::Scan::global): Likewise.
7464         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7465         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7466         (Target_x86_64::tls_base_symbol_defined_): New field.
7467         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7468         (Target_x86_64::Scan::global): Likewise.
7469
7470 2008-04-16  Cary Coutant  <ccoutant@google.com>
7471
7472         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7473         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7474         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7475         building shared libraries.
7476         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7477         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7478         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7479         * testsuite/Makefile.in: Rebuild.
7480         * testsuite/weak_undef.h: New file.
7481         * testsuite/weak_undef_file1.cc: Add extra test cases.
7482         * testsuite/weak_undef_file2.cc: Likewise.
7483         * testsuite/weak_undef_test.cc: Likewise.
7484
7485 2008-04-16  David S. Miller  <davem@davemloft.net>
7486
7487         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7488         Add issued_non_pic_error_ field.  Declare check_non_pic.
7489         (Target_sparc::Scan::check_non_pic): New function.
7490         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7491         (Target_sparc::Scan::global): Likewise.
7492
7493         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7494         * configure: Rebuild.
7495
7496         * options.h (DEFINE_enable): New macro.
7497         (new_dtags): New enable option.
7498         (initfirst, interpose, loadfltr, nodefaultlib,
7499         nodelete, nodlopen, nodump): New -z options.
7500         * layout.cc (Layout:finish_dynamic_section): If new
7501         dtags enabled, emit DT_RUNPATH.  Also, emit a
7502         DT_FLAGS_1 containing any specified -z flags.
7503
7504 2008-04-16  Ian Lance Taylor  <iant@google.com>
7505
7506         * copy-relocs.cc: New file.
7507         * copy-relocs.h: New file.
7508         * reloc.cc: Remove Copy_relocs code.
7509         * reloc.h: Likewise.
7510         * reloc-types.h (struct Reloc_types) [both versions]: Add
7511         get_reloc_addend_noerror.
7512         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7513         variants of add_global which take an addend which must be zero.
7514         * i386.cc: Include "copy-relocs.h".
7515         (class Target_i386): Change type of copy_relocs_ to variable,
7516         update initializer.
7517         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7518         Change all callers.
7519         (Target_i386::do_finalize_sections): Change handling of
7520         copy_relocs_.
7521         * sparc.cc: Include "copy-relocs.h".
7522         (class Target_sparc): Change type of copy_relocs_ to variable,
7523         update initializer.
7524         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7525         Change all callers.
7526         (Target_sparc::do_finalize_sections): Change handling of
7527         copy_relocs_.
7528         * x86_64.cc: Include "copy-relocs.h".
7529         (class Target_x86_64): Change type of copy_relocs_ to variable,
7530         update initializer.
7531         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7532         class.  Change all callers.
7533         (Target_x86_64::do_finalize_sections): Change handling of
7534         copy_relocs_.
7535         * Makefile.am (CCFILES): Add copy-relocs.cc.
7536         (HFILES): Add copy-relocs.h.
7537
7538         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7539
7540         * testsuite/script_test_4.sh: Permit leading zeroes.
7541
7542 2008-04-15  Ian Lance Taylor  <iant@google.com>
7543
7544         * script-sections.cc (Script_sections::create_segments): Use
7545         header_size_adjustment even when there is enough room for the
7546         headers.
7547         * testsuite/script_test_4.sh: New file.
7548         * testsuite/script_test_4.t: New file.
7549         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7550         (check_DATA): Add script_test_4.stdout.
7551         (MOSTLYCLEANFILES): Likewise.
7552         (script_test_4): New target.
7553         (script_test_4.stdout): New target.
7554         * testsuite/Makefile.in: Rebuild.
7555
7556         * sparc.cc: Add definitions for Output_data_plt_sparc class
7557         constants.
7558
7559 2008-04-14  David S. Miller  <davem@davemloft.net>
7560
7561         * sparc.cc: New file.
7562         * Makefile.am (TARGETSOURCES): Add sparc.cc
7563         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7564         * configure.tgt: Document targ_extra_size and
7565         targ_extra_big_endian.  Add entries for sparc-* and
7566         sparc64-*.
7567         * configure.ac: Handle targ_extra_size and
7568         targ_extra_big_endian.
7569         * Makefile.in: Rebuild.
7570         * configure: Likewise.
7571         * po/POTFILES.in: Likewise.
7572         * po/gold.pot: Likewise.
7573
7574 2008-04-14  Ian Lance Taylor  <iant@google.com>
7575
7576         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7577         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7578         in the name/type/flags to section mapping.  Don't call
7579         allocate_output_section.
7580         (Layout::choose_output_section): Change parameter from adjust_name
7581         to is_input_section.  Don't permit input sections after sections
7582         are attached to segments.  Don't call allocate_output_section.
7583         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7584         not write_enable_output_section.
7585         (Layout::make_output_section): Don't push to
7586         unattached_section_list_ nor call attach_to_segment.  Call
7587         attach_section_to_segment if sections are attached.
7588         (Layout::attach_sections_to_segments): New function.
7589         (Layout::attach_section_to_segment): New function.
7590         (Layout::attach_allocated_section_to_segment): Rename from
7591         attach_to_segment.  Remove flags parameter.
7592         (Layout::allocate_output_section): Remove function.
7593         (Layout::write_enable_output_section): Remove function.
7594         * layout.h (class Layout): Update for above changes.  Add new
7595         field sections_are_attached_.
7596         * output.h (Output_section::update_flags_for_input_section): New
7597         function.
7598         * output.cc (Output_section::add_input_section): Call
7599         update_flags_for_input_section.
7600         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7601
7602 2008-04-11  Cary Coutant  <ccoutant@google.com>
7603
7604         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7605         thought unnecessary.
7606         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7607
7608 2008-04-11  Ian Lance Taylor  <iant@google.com>
7609
7610         * output.h (class Output_section_data): Remove inline definition
7611         of set_addralign.
7612         * output.cc (Output_section_data::set_addralign): New function.
7613
7614 2008-04-11  Cary Coutant  <ccoutant@google.com>
7615
7616         Add support for TLS descriptors for i386 and x86_64.
7617         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7618         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7619         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7620         GOT_TYPE_TLS_DESC.
7621         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7622         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7623         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7624         relocations.
7625         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7626         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7627         Fix problem with initial-exec relocations.
7628         (Target_i386::Relocate::relocate_tls): Likewise.
7629         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7630         relaxation.
7631         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7632         support for section-plus-offset dynamic table entries.
7633         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7634         (Output_data_dynamic::Dynamic_entry): Add support for
7635         section-plus-offset dynamic table entries.
7636         (Output_data_dynamic::Classification): Likewise.
7637         (Output_data_dynamic::classification_): Renamed offset_.
7638         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7639         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7640         (Target_x86_64::make_plt_section): New function.
7641         (Target_x86_64::reserve_tlsdesc_entries): New function.
7642         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7643         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7644         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7645         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7646         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7647         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7648         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7649         add extra PLT entry for TLS descriptors.
7650         (Output_data_plt_x86_64::got_): New field.
7651         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7652         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7653         fields.
7654         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7655         descriptors.
7656         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7657         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7658         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7659         R_386_TLS_DESC_CALL relocations.
7660         (Target_x86_64::Scan::global): Likewise.
7661         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7662         for TLS descriptors.
7663         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7664         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7665         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7666         GD-to-IE relaxation.
7667         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7668         and TLS_DESCRIPTORS.
7669         * Makefile.in: Rebuild.
7670         * configure: Rebuild.
7671         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7672         (tls_test_shared2.so): New target.
7673         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7674         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7675         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7676         (tls_shared_gd_to_ie_test_LDADD): New variable.
7677         (tls_shared_gnu2_gd_to_ie_test): New target.
7678         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7679         New targets.
7680         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7681         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7682         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7683         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7684         (tls_shared_gnu2_test): New target.
7685         (tls_test_gnu2_shared.so): New target.
7686         (tls_shared_gnu2_test_SOURCES): New variable.
7687         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7688         (tls_shared_gnu2_test_LDFLAGS): New variable.
7689         (tls_shared_gnu2_test_LDADD): New variable.
7690         * testsuite/Makefile.in: Rebuild.
7691         * testsuite/Makefile.
7692
7693 2008-04-11  Ian Lance Taylor  <iant@google.com>
7694
7695         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7696         justsyms.t.
7697         * testsuite/Makefile.in: Rebuild.
7698
7699         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7700         long.
7701         * testsuite/script_test_2.cc (main): Adjust test.
7702
7703 2008-04-11  David S. Miller  <davem@davemloft.net>
7704             Ian Lance Taylor  <iant@google.com>
7705
7706         * options.h (General_options): Add entries for '-Y' and
7707         '-relax'.
7708         * options.cc (General_options:finalize): If -Y was used, add those
7709         entries to the library path instead of the default "/lib" and
7710         "/usr/lib".
7711
7712 2008-04-11  David S. Miller  <davem@davemloft.net>
7713
7714         * testsuite/justsyms.t: Start at 0x100.
7715         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7716         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7717         long.
7718         * testsuite/script_test_2.cc: Adjust string and section length
7719         checks.
7720
7721 2008-04-09  Ian Lance Taylor  <iant@google.com>
7722
7723         PR gold/5996
7724         * script-sections.cc (Sections_element::allocate_to_segment): Add
7725         orphan parameter.
7726         (Output_section_definition::allocate_to_segment): Likewise.
7727         (Orphan_output_section::allocate_to_segment): Likewise.
7728         (Script_sections::attach_sections_using_phdrs_clause): Don't
7729         propagate non-PT_LOAD segments to orphan sections.
7730         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7731         readelf rather than objdump.
7732         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7733         .interp section and PT_INTERP segment are the same size.
7734         * testsuite/Makefile.in: Rebuild.
7735
7736         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7737         aliases for symbols defined in the same object.
7738         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7739         (weak_alias_test_SOURCES): New variable.
7740         (weak_alias_test_DEPENDENCIES): New variable.
7741         (weak_alias_test_LDFLAGS): New variable.
7742         (weak_alias_test_LDADD): New variable.
7743         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7744         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7745         (weak_alias_test_3.o): New target.
7746         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7747         * testsuite/weak_alias_test_main.cc: New file.
7748         * testsuite/weak_alias_test_1.cc: New file.
7749         * testsuite/weak_alias_test_2.cc: New file.
7750         * testsuite/weak_alias_test_3.cc: New file.
7751
7752 2008-04-08  Ian Lance Taylor  <iant@google.com>
7753
7754         * options.h (class General_options): Add --noinhibit-exec option.
7755         * main.cc (main): Check --noinhibit-exec.
7756
7757         * options.h (class General_options): Define --wrap as a special
7758         option.  Add wrap_symbols_ field.
7759         (General_options::any_wrap_symbols): New function.
7760         (General_options::is_wrap_symbol): New function.
7761         * options.cc (General_options::parse_wrap): New function.
7762         (General_options::General_options): Initialize wrap_symbols_.
7763         * symtab.cc (Symbol_table::wrap_symbol): New function.
7764         (Symbol_table::add_from_object): Handle --wrap.
7765         * symtab.h (class Symbol_table): Declare wrap_symbol.
7766         * target.h (Target::wrap_char): New function.
7767         (Target::Target_info): Add wrap_char field.
7768         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7769         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7770         * testsuite/testfile.cc (Target_test::test_target_info):
7771         Likewise.
7772
7773         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7774         there is one.
7775
7776         * layout.h (class Layout): Add added_eh_frame_data_ field.
7777         * layout.cc (Layout::Layout): Initialize new field.
7778         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7779         output section until we find a section we merged successfully.
7780         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7781         that the size be non-zero.
7782
7783         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7784         qualifier.
7785
7786 2008-04-08  Craig Silverstein  <csilvers@google.com>
7787
7788         * configure.ac: Export new conditional variable HAVE_ZLIB.
7789         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7790         on HAVE_ZLIB.
7791         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7792         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7793
7794 2008-04-07  Ian Lance Taylor  <iant@google.com>
7795
7796         * version.cc (version_string): Set to "1.5".
7797
7798         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7799         Add issued_non_pic_error_ field.  Declare check_non_pic.
7800         (Target_x86_64::Scan::check_non_pic): New function.
7801         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7802         (Target_x86_64::Scan::global): Likewise.
7803
7804         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7805         addend parameter.  Change caller.  Handle merge sections.
7806         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7807         Address to Addend.  Don't add in the result of
7808         local_section_offset, pass down the addend and use the returned
7809         value.
7810         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7811         Update declarations of local_section_offset and symbol_value.
7812         * testsuite/two_file_test_1.cc (t18): New function.
7813         * testsuite/two_file_test_2.cc (f18): New function.
7814         * testsuite/two_file_test_main.cc (main): Call t18.
7815         * testsuite/two_file_test.h (t18, f18): Declare.
7816
7817         * configure.ac: Don't test for objdump, c++filt, or readelf.
7818         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7819         conditionals.
7820         (TEST_READELF): New variable.
7821         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7822         (check_PROGRAMS): Add two_file_strip_test.
7823         (two_file_strip_test): New target.
7824         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7825         (two_file_same_shared_strip_test_SOURCES): New variable.
7826         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7827         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7828         (two_file_same_shared_strip_test_LDADD): New variable.
7829         (two_file_shared_strip.so): New target.
7830         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7831         (ver_test_5.syms, ver_test_7.syms): Likewise.
7832         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7833         (strip_test_3.stdout): Use TEST_OBJDUMP.
7834         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7835
7836 2008-04-04  Cary Coutant  <ccoutant@google.com>
7837
7838         * symtab.h (Symbol::is_weak_undefined): New function.
7839         (Symbol::is_strong_undefined): New function.
7840         (Symbol::is_absolute): New function.
7841         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7842         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7843         absolute symbols.
7844         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7845         (weak_undef_test): New target.
7846         * testsuite/Makefile.in: Rebuild.
7847         * testsuite/weak_undef_file1.cc: New file.
7848         * testsuite/weak_undef_file2.cc: New file.
7849         * testsuite/weak_undef_test.cc: New file.
7850
7851 2008-04-03  Craig Silverstein  <csilvers@google.com>
7852
7853         * compressed_output.h (class Output_compressed_section): Use
7854         unsigned buffer.
7855         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7856         add zlib header.
7857         (zlib_compressed_suffix): Removed.
7858         (Output_compressed_section::set_final_data_size): Use unsigned
7859         buffers.
7860         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7861         Fix linker invocation.
7862         (flagstest_o_specialfile_and_compress_debug_sections):
7863         Likewise.
7864         * testsuite/Makefile.in: Regenerated.
7865
7866 2008-04-02  David S. Miller  <davem@davemloft.net>
7867
7868         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7869         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7870
7871 2008-04-02  Craig Silverstein  <csilvers@google.com>
7872
7873         * TODO: New file.
7874
7875 2008-04-02  Ian Lance Taylor  <iant@google.com>
7876
7877         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7878         parameters.  Update for new key type to views_.  Change all
7879         callers.
7880         (File_read::read): Adjust for byteshift in returned view.
7881         (File_read::add_view): New function, broken out of
7882         find_and_make_view.
7883         (File_read::make_view): New function, broken out of
7884         find_and_make_view.
7885         (File_read::find_or_make_view): Add offset and aligned
7886         parameters.  Rewrite accordingly.  Change all callers.
7887         (File_read::get_view): Add offset and aligned parameters.  Adjust
7888         for byteshift in return value.
7889         (File_read::get_lasting_view): Likewise.
7890         * fileread.h (class File_read): Update declarations.
7891         (class File_read::View): Add byteshift_ field.  Add byteshift to
7892         constructor.  Add byteshift method.
7893         * archive.h (Archive::clear_uncached_views): New function.
7894         (Archive::get_view): Add aligned parameter.  Change all callers.
7895         * object.h (Object::get_view): Add aligned parameter.  Change all
7896         callers.
7897         (Object::get_lasting_view): Likewise.
7898
7899         * fileread.cc (File_read::release): Don't call clear_views if
7900         there are multiple objects.
7901         * fileread.h (File_read::clear_uncached_views): New function.
7902         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7903         on the archive.
7904
7905 2008-03-31  Cary Coutant  <ccoutant@google.com>
7906
7907         Add thin archive support.
7908         * archive.cc (Archive::armagt): New const.
7909         (Archive::setup): Remove task parameter and calls to unlock.
7910         (Archive::unlock_nested_archives): New function.
7911         (Archive::read_header): Add nested_off parameter. Change
7912         all callers.
7913         (Archive::interpret_header): Likewise.
7914         (Archive::include_all_members): Change to handle thin
7915         archives.
7916         (Archive::include_member): Likewise.
7917         * archive.h (Archive::Archive): Add new parameters and
7918         initializers.
7919         (Archive::armagt): New const.
7920         (Archive::setup): Remove task parameter.
7921         (Archive::unlock_nested_archives): New function.
7922         (Archive::read_header): Add nested_off parameter.
7923         (Archive::interpret_header): Likewise.
7924         (Archive::Nested_archive_table): New typedef.
7925         (Archive::is_thin_archive_): New field.
7926         (Archive::nested_archives_): New field.
7927         (Archive::options_): New field.
7928         (Archive::dirpath_): New field.
7929         (Archive::task_): New field.
7930         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7931         for thin archives.  Pass additional parameters to
7932         Archive::Archive.  Unlock the archive file after calling
7933         Archive::setup.
7934
7935 2008-03-29  Ian Lance Taylor  <iant@google.com>
7936
7937         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7938         version symbol to be local.
7939         * testsuite/ver_test_4.sh: New file.
7940         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7941         (check_DATA): Add ver_test_4.syms.
7942         (ver_test_4.syms): New target.
7943         * testsuite/Makefile.in: Rebuild.
7944
7945         * output.cc
7946         (Output_section::Input_section_sort_entry::has_priority): New
7947         function.
7948         (Output_section::Input_section_sort_entry::match_file_name): New
7949         function.
7950         (Output_section::Input_section_sort_entry::match_section_name):
7951         Remove.
7952         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7953         Remove.
7954         (Output_section::Input_section_sort_entry::match_section_file):
7955         Remove.
7956         (Output_section::Input_section_sort_compare::operator()): Rewrite
7957         using new Input_section_sort_entry functions.  Sort crtbegin and
7958         crtend first.  Sort sections with no priority before sections with
7959         a priority.
7960         * testsuite/initpri1.c (d3): Check j != 4.
7961         (cd5): New constructor/destructor function.
7962         (main): Check j != 2.
7963
7964         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7965         new symbol when resolving, don't call set_is_default.
7966         * testsuite/ver_test_7.cc: New file.
7967         * testsuite/ver_test_7.sh: New file.
7968         * testsuite/Makefile.am (ver_test_7.so): New target.
7969         (ver_test_7.o): New target.
7970         (check_SCRIPTS): Add ver_test_7.sh.
7971         (check_DATA): Add ver_test_7.syms.
7972         (ver_test_7.syms): New target.
7973
7974 2008-03-28  Ian Lance Taylor  <iant@google.com>
7975
7976         * layout.cc (Layout::layout): If we see an input section with a
7977         name that needs sorting, set the must_sort flag for the output
7978         section.
7979         (Layout::make_output_section): If the name of the output section
7980         indicates that it might require sorting, set the may_sort flag.
7981         * output.h (Output_section::may_sort_attached_input_sections): New
7982         function.
7983         (Output_section::set_may_sort_attached_input_sections): New
7984         function.
7985         (Output_section::must_sort_attached_input_sections): New
7986         function.
7987         (Output_section::set_must_sort_attached_input_sections): New
7988         function.
7989         (class Output_section): Declare Input_section_sort_entry.  Define
7990         Input_section_sort_compare.  Declare
7991         sort_attached_input_sections.  Add new fields:
7992         may_sort_attached_input_sections_,
7993         must_sort_attached_input_sections_,
7994         attached_input_sections_are_sorted_.
7995         * output.cc (Output_section::Output_section): Initialize new
7996         fields.
7997         (Output_section::add_input_section): Add an entry to
7998         input_sections_ if may_sort or must_sort are true.
7999         (Output_section::set_final_data_size): Call
8000         sort_attached_input_sections if necessary.
8001         (Output_section::Input_section_sort_entry): Define new class.
8002         (Output_section::Input_section_sort_compare::operator()): New
8003         function.
8004         (Output_section::sort_attached_input_sections): New function.
8005         * configure.ac: Check whether the compiler supports constructor
8006         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
8007         * testsuite/initpri1.c: New file.
8008         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8009         CONSTRUCTOR_PRIORITY.
8010         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8011         (initpri1_LDFLAGS): New variable.
8012         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8013
8014 2008-03-27  Ian Lance Taylor  <iant@google.com>
8015
8016         * common.cc (Sort_commons::operator): Correct sorting algorithm.
8017         * testsuite/common_test_1.c: New file.
8018         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8019         (common_test_1_SOURCES): New variable.
8020         (common_test_1_DEPENDENCIES): New variable.
8021         (common_test_1_LDFLAGS): New variable.
8022
8023         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8024         and commons_ correctly when NAME/VERSION does not override
8025         NAME/NULL.
8026         * testsuite/ver_test_6.c: New file.
8027         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
8028         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
8029         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
8030
8031 2008-03-26  Ian Lance Taylor  <iant@google.com>
8032
8033         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
8034         of an undefined symbol from a version script.
8035         * testsuite/Makefile.am (ver_test_5.so): New target.
8036         (ver_test_5.o): New target.
8037         (check_SCRIPTS): Add ver_test_5.sh.
8038         (check_DATA): Add ver_test_5.syms.
8039         (ver_test_5.syms): New target.
8040         * testsuite/ver_test_5.cc: New file.
8041         * testsuite/ver_test_5.script: New file.
8042         * testsuite/ver_test_5.sh: New file.
8043         * Makefile.in, testsuite/Makefile.in: Rebuild.
8044
8045         PR gold/5986
8046         Fix problems building gold with gcc 4.3.0.
8047         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
8048         (gold_error_at_location, gold_warning_at_location): Use it.
8049         * configure.ac: Check whether we can compile and use a template
8050         function with a printf attribute.
8051         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
8052         when jumping over bytes.
8053         * object.cc: Instantiate Object::read_section_data.
8054         * debug.h: Include <cstring>
8055         * dwarf_reader.cc: Include <algorithm>
8056         * main.cc: Include <cstring>.
8057         * options.cc: Include <cstring>.
8058         * output.cc: Include <cstring>.
8059         * script.cc: Include <cstring>.
8060         * script.h: Include <string>.
8061         * symtab.cc: Include <cstring> and <algorithm>.
8062         * target-select.cc: Include <cstring>.
8063         * version.cc: Include <string>.
8064         * testsuite/testmain.cc: Include <cstdlib>.
8065         * configure, config.in: Rebuild.
8066
8067 2008-03-25  Ian Lance Taylor  <iant@google.com>
8068
8069         * options.cc: Include "../bfd/bfdver.h".
8070         (options::help): Print bug reporting address.
8071
8072         * version.cc (print_version): Adjust output for current value of
8073         BFD_VERSION_STRING.
8074
8075         * NEWS: New file.
8076
8077         * options.cc (options::help): Print list of supported targets.
8078         * target-select.h: Include <vector>.
8079         (class Target_selector): Make machine_, size_, and is_big_endian_
8080         fields const.  Add bfd_name_ and instantiated_target_ fields.
8081         (Target_selector::Target_selector): Add bfd_name parameter.
8082         (Target_selector::recognize): Make non-virtual, call
8083         do_recognize.
8084         (Target_selector::recognize_by_name): Make non-virtual, call
8085         do_recognize_by_name.
8086         (Target_selector::supported_names): New function.
8087         (Target_selector::bfd_name): New function.
8088         (Target_selector::do_instantiate_target): New pure virtual
8089         function.
8090         (Target_selector::do_recognize): New virtual function.
8091         (Target_selector::do_recognize_by_name): New virtual function.
8092         (Target_selector::instantiate_target): New private function.
8093         (supported_target_names): Declare.
8094         * target-select.cc (Target_selector::Target_selector): Update for
8095         new parameter and fields.
8096         (select_target_by_name): Check that the name matches before
8097         calling recognize_by_name.
8098         (supported_target_names): New function.
8099         * i386.cc (class Target_selector_i386): Update Target_selector
8100         constructor call.  Remove recognize and recognize_by_name.  Add
8101         do_instantiate_target.
8102         * x86_64.cc (class Target_selector_x86_64): Likewise.
8103         * testsuite/testfile.cc (class Target_selector_test): Update for
8104         changes to Target_selector.
8105
8106         * README: Rewrite, with some notes on unsupported features.
8107
8108 2008-03-24  Cary Coutant  <ccoutant@google.com>
8109
8110         * i386.cc (Target_i386::Got_type): New enum declaration.
8111         (Target_i386::Scan::local): Updated callers of Output_data_got
8112         member functions.
8113         (Target_i386::Scan::global): Likewise.
8114         (Target_i386::Relocate::relocate): Likewise.
8115         (Target_i386::Relocate::relocate_tls): Likewise.
8116         * object.h (Got_offset_list): New class.
8117         (Sized_relobj::local_has_got_offset): Added got_type parameter.
8118         (Sized_relobj::local_got_offset): Likewise.
8119         (Sized_relobj::set_local_got_offset): Likewise.
8120         (Sized_relobj::local_has_tls_got_offset): Removed.
8121         (Sized_relobj::local_tls_got_offset): Removed.
8122         (Sized_relobj::set_local_tls_got_offset): Removed.
8123         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
8124         * output.cc (Output_data_got::add_global): Added got_type parameter.
8125         (Output_data_got::add_global_with_rel): Likewise.
8126         (Output_data_got::add_global_with_rela): Likewise.
8127         (Output_data_got::add_global_pair_with_rel): New function.
8128         (Output_data_got::add_global_pair_with_rela): New function.
8129         (Output_data_got::add_local): Added got_type parameter.
8130         (Output_data_got::add_local_with_rel): Likewise.
8131         (Output_data_got::add_local_with_rela): Likewise.
8132         (Output_data_got::add_local_pair_with_rel): New function.
8133         (Output_data_got::add_local_pair_with_rela): New function.
8134         (Output_data_got::add_global_tls): Removed.
8135         (Output_data_got::add_global_tls_with_rel): Removed.
8136         (Output_data_got::add_global_tls_with_rela): Removed.
8137         (Output_data_got::add_local_tls): Removed.
8138         (Output_data_got::add_local_tls_with_rel): Removed.
8139         (Output_data_got::add_local_tls_with_rela): Removed.
8140         * output.h (Output_data_got::add_global): Added got_type parameter.
8141         (Output_data_got::add_global_with_rel): Likewise.
8142         (Output_data_got::add_global_with_rela): Likewise.
8143         (Output_data_got::add_global_pair_with_rel): New function.
8144         (Output_data_got::add_global_pair_with_rela): New function.
8145         (Output_data_got::add_local): Added got_type parameter.
8146         (Output_data_got::add_local_with_rel): Likewise.
8147         (Output_data_got::add_local_with_rela): Likewise.
8148         (Output_data_got::add_local_pair_with_rel): New function.
8149         (Output_data_got::add_local_pair_with_rela): New function.
8150         (Output_data_got::add_global_tls): Removed.
8151         (Output_data_got::add_global_tls_with_rel): Removed.
8152         (Output_data_got::add_global_tls_with_rela): Removed.
8153         (Output_data_got::add_local_tls): Removed.
8154         (Output_data_got::add_local_tls_with_rel): Removed.
8155         (Output_data_got::add_local_tls_with_rela): Removed.
8156         * resolve.cc (Symbol::override_base_with_special): Removed
8157         reference to has_got_offset_ field.
8158         * symtab.cc (Symbol::init_fields): Replaced initialization
8159         of got_offset_ with got_offsets_.  Removed initialization
8160         of has_got_offset_
8161         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
8162         (Symbol::got_offset): Likewise.
8163         (Symbol::set_got_offset): Likewise.
8164         (Symbol::has_tls_got_offset): Removed.
8165         (Symbol::tls_got_offset): Removed.
8166         (Symbol::set_tls_got_offset): Removed.
8167         (Symbol::got_offset_): Removed.
8168         (Symbol::tls_mod_got_offset_): Removed.
8169         (Symbol::tls_pair_got_offset_): Removed.
8170         (Symbol::got_offsets_): New field.
8171         (Symbol::has_got_offset): Removed.
8172         (Symbol::has_tls_mod_got_offset): Removed.
8173         (Symbol::has_tls_pair_got_offset): Removed.
8174         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8175         (Target_x86_64::Scan::local): Updated callers of Output_data_got
8176         member functions.
8177         (Target_x86_64::Scan::global): Likewise.
8178         (Target_x86_64::Relocate::relocate): Likewise.
8179         (Target_x86_64::Relocate::relocate_tls): Likewise.
8180
8181 2008-03-25  Ben Elliston  <bje@au.ibm.com>
8182
8183         * yyscript.y: Fix spelling error in comment.
8184
8185 2008-03-24  Ian Lance Taylor  <iant@google.com>
8186
8187         * options.h (class General_options): Define build_id option.
8188         * layout.h (class Layout): Declare write_build_id, create_note,
8189         create_build_id.  Add build_id_note_ member.
8190         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8191         "libiberty.h", "md5.h", "sha1.h".
8192         (Layout::Layout): Initialize eh_frame_data_,
8193         eh_frame_hdr_section_, and build_id_note_.
8194         (Layout::finalize): Call create_build_id.
8195         (Layout::create_note): New function, broken out of
8196         Layout::create_gold_note.
8197         (Layout::create_gold_note): Call create_note.
8198         (Layout::create_build_id): New function.
8199         (Layout::write_build_id): New function.
8200         (Close_task_runner::run): Call write_build_id.
8201
8202         * x86_64.cc: Correct license to GPLv3.
8203
8204 2008-03-23  Ian Lance Taylor  <iant@google.com>
8205
8206         * options.cc: Include "demangle.h".
8207         (parse_optional_string): New function.
8208         (parse_long_option): Handle takes_optional_argument.
8209         (parse_short_option): Update dash_z initializer.  Handle
8210         takes_optional_argument.
8211         (General_options::General_options): Initialize do_demangle_.
8212         (General_options::finalize): Set do_demangle_.  Handle demangling
8213         style.
8214         * options.h (parse_optional_string): Declare.
8215         (struct One_option): Add optional_arg field.  Update constructor.
8216         Update call constructor calls.  Add takes_optional_argument
8217         function.
8218         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
8219         (DEFINE_optional_string): Define.
8220         (General_options::demangle): Change from DEFINE_bool to
8221         DEFINE_optional_string.
8222         (General_options::no_demangle): New function.
8223         (General_options::do_demangle): New function.
8224         (General_options::set_do_demangle): New function.
8225         (General_options::execstack_status_): Move definition to end of
8226         class definition.
8227         (General_options::static_): Likewise.
8228         (General_options::do_demangle_): New field.
8229         * object.cc (big_endian>::get_symbol_location_info): Call
8230         Options::do_demangle, not Options::demangle.
8231         * symtab.cc (demangle): Likewise.
8232
8233 2008-03-22  Ian Lance Taylor  <iant@google.com>
8234
8235         * gold.h: Include <cstddef> and <sys/types.h>
8236         * options.h: Include <cstring>.
8237
8238 2008-03-21  Ian Lance Taylor  <iant@google.com>
8239
8240         * Added source code to GNU binutils.