c1f4981ecff3259243d1e1345e3545bc84582558
[platform/upstream/binutils.git] / gold / ChangeLog
1 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2
3         * symtab.cc (detect_odr_violations): When reporting an ODR
4         violation, report an object where the symbol is defined.
5
6 2010-06-25  Doug Kwan  <dougkwan@google.com>
7
8         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
9         (Target_arm::section_may_have_icf_unsafe_pointers): New method
10         definition.
11         (Target_arm::Scan::local_reloc_may_be_function_pointer,
12         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
13         target hook to detect function points.
14         (Target_arm::Scan::possible_function_pointer_reloc): New method.
15         * icf.h (Icf::check_section_for_function_pointers): Change type of
16         parameter SECTION_NAME to const reference to std::string.  Use
17         target hook to determine if section may have unsafe pointers.
18         * target.h (Target::section_may_have_icf_unsafe_pointers): New
19         method definition.
20
21 2010-06-21  Rafael Espindola  <espindola@google.com>
22
23         * fileread.cc (Input_file::find_fie): New
24         (Input_file::open): Use Input_file::find_fie.
25         * fileread.h (Input_file::find_fie): New
26         * plugin.cc (set_extra_library_path): New.
27         (Plugin::load): Add set_extra_library_path to the transfer vector.
28         (Plugin_manager::set_extra_library_path): New.
29         (Plugin_manager::add_input_file): Use the extra search path if set.
30         (set_extra_library_path(): New.
31         * plugin.h (Plugin_manager): Add set_extra_library_path and
32         extra_search_path_.
33
34 2010-06-19  Cary Coutant  <ccoutant@google.com>
35
36         * layout.cc (gdb_sections): Add .debug_types.
37         (lines_only_debug_sections): Likewise.
38
39 2010-06-18  Rafael Espindola  <espindola@google.com>
40
41         * plugin.cc (add_input_file,add_input_library)
42         (Plugin_manager::add_input_file): Make filename arguments const.
43         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
44         const.
45
46 2010-06-16  Doug Kwan  <dougkwan@google.com>
47
48         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
49         .ARM.attributes section if we have not merged any input
50         attributes sections.
51
52 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
53
54         * arm.cc: Allow combining objects with no EABI version
55         information.
56
57 2010-06-15  Rafael Espindola  <espindola@google.com>
58
59         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
60
61 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
62
63         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
64         (struct iovec): Correct !HAVE_READV definition.
65
66 2010-06-10  Cary Coutant  <ccoutant@google.com>
67
68         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
69         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
70         reloc sections.
71         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
72
73         PR 11683
74         * symtab.h (Symbol::is_placeholder): New member function.
75         * target-reloc.h (relocate_section): Check for placeholder symbols.
76
77         * testsuite/Makefile.am (plugin_test_8): New test.
78         (plugin_test_9): New test.
79         * testsuite/Makefile.in: Regenerate.
80
81 2010-06-09  Nick Clifton  <nickc@redhat.com>
82
83         * yyscript.y (input_list_element): Allow strings prefixed with
84         the '-' character.  Treat these as libraries.
85         * script.cc (script_add_library): New function.  Adds a library
86         specified by "-l<name>" found in an input script.
87         * script-c.h: Add prototype for script_add_library.
88
89 2010-06-07  Doug Kwan  <dougkwan@google.com>
90
91         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
92         Restrict stub-group size to be within long conditional branch
93         range when working around cortex-A8 erratum.
94
95 2010-06-07  Damien Diederen  <dd@crosstwine.com>
96
97         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
98         #ifdef typo.
99
100 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
101
102         PR gold/11658
103         * output.cc
104         (Output_section::Input_section_sort_entry::compare_section_ordering):
105         Change to return non-zero correctly.
106         (Output_section::Input_section_sort_section_order_index_compare
107         ::operator()): Change to fix ambiguity in comparisons.
108
109 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
110
111         * gold.h (is_wildcard_string): New function.
112         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
113         (Layout::layout_eh_frame): Ditto.
114         (Layout::find_section_order_index): New method.
115         (Layout::read_layout_from_file): New method.
116         * layout.h (Layout::find_section_order_index): New method.
117         (Layout::read_layout_from_file): New method.
118         (Layout::input_section_position_): New private member.
119         (Layout::input_section_glob_): New private member.
120         * main.cc (main): Call read_layout_from_file here.
121         * options.h (--section-ordering-file): New option.
122         * output.cc (Output_section::input_section_order_specified_): New
123         member.
124         (Output_section::Output_section): Initialize new member.
125         (Output_section::add_input_section): Add new parameter.
126         Keep input sections when --section-ordering-file is used.
127         (Output_section::set_final_data_size): Sort input sections when
128         section ordering file is specified.
129         (Output_section::Input_section_sort_entry): Add new parameter.
130         Check sorting type.
131         (Output_section::Input_section_sort_entry::compare_section_ordering):
132         New method.
133         (Output_section::Input_section_sort_compare::operator()): Change to
134         consider section_order_index.
135         (Output_section::Input_section_sort_init_fini_compare::operator()):
136         Change to consider section_order_index.
137         (Output_section::Input_section_sort_section_order_index_compare
138         ::operator()): New method.
139         (Output_section::sort_attached_input_sections): Change to sort
140         according to section order when specified.
141         (Output_section::add_input_section<32, true>): Add new parameter.
142         (Output_section::add_input_section<64, true>): Add new parameter.
143         (Output_section::add_input_section<32, false>): Add new parameter.
144         (Output_section::add_input_section<64, false>): Add new parameter.
145         * output.h (Output_section::add_input_section): Add new parameter.
146         (Output_section::input_section_order_specified): New
147         method.
148         (Output_section::set_input_section_order_specified): New method.
149         (Input_section::Input_section): Initialize section_order_index_.
150         (Input_section::section_order_index): New method.
151         (Input_section::set_section_order_index): New method.
152         (Input_section::section_order_index_): New member.
153         (Input_section::Input_section_sort_section_order_index_compare): New
154         struct.
155         (Output_section::input_section_order_specified_): New member.
156         * script-sections.cc (is_wildcard_string): Delete and move modified
157         method to gold.h.
158         (Output_section_element_input::Output_section_element_input): Modify
159         call to is_wildcard_string.
160         (Output_section_element_input::Input_section_pattern
161         ::Input_section_pattern): Ditto.
162         (Output_section_element_input::Output_section_element_input): Ditto.
163         * testsuite/Makefile.am (final_layout): New test case.
164         * testsuite/Makefile.in: Regenerate.
165         * testsuite/final_layout.cc: New file.
166         * testsuite/final_layout.sh: New file.
167
168 2010-06-01  Rafael Espindola  <espindola@google.com>
169
170         * plugin.cc (Plugin::load): Pass the output name to the plugin.
171
172 2010-06-01  Rafael Espindola  <espindola@google.com>
173
174         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
175         visibility of symbols.
176
177 2010-05-27  Doug Kwan  <dougkwan@google.com>
178
179         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
180         from start of output section instead of address for a local symbol
181         in a merged or relaxed section when doing a relocatable link.
182
183 2010-05-26  Rafael Espindola  <espindola@google.com>
184
185        PR 11604
186         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
187         adding sections the garbage collector removed.
188         * gold/testsuite/Makefile.am: Add test.
189         * gold/testsuite/Makefile.in: Regenerate.
190         * gold/testsuite/plugin_test_7.sh: New.
191         * gold/testsuite/plugin_test_7_1.c: New.
192         * gold/testsuite/plugin_test_7_2.c: New.
193
194 2010-05-26  Rafael Espindola  <espindola@google.com>
195
196         * script-sections.cc (Output_section_definition::set_section_addresses):
197         Check for --section-start.
198
199 2010-05-26  Doug Kwan  <dougkwan@google.com>
200
201         * arm.cc (Arm_scan_relocatable_relocs): New class.
202         (Target_arm::relocate_special_relocatable): New method.
203         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
204         (Arm_relocate_functions::thumb_branch_common): Same.
205         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
206         instead of Default_scan_relocatable_relocs.
207         * target-reloc.h (relocate_for_relocatable): Let target handle
208         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
209         * target.h (Sized_target::relocate_special_relocatable): New method.
210
211 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
212
213         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
214
215 2010-05-23  Doug Kwan  <dougkwan@google.com>
216
217         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
218         instead of a cast.
219         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
220         with a direct branch, not a conditional branch, to a stub.
221         * merge.cc (Output_merge_base::record_input_section): New method
222         defintion.
223         (Output_merge_data::do_add_input_section): Record input section if
224         keeps-input-sections flag is set.
225         (Output_merge_string::do_add_input_section): Ditto.
226         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
227         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
228         INPUT_SECTIONS_.
229         (Output_merge_base::keeps_input_sections,
230         Output_merge_base::set_keeps_input_sections,
231         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
232         method definitions.
233         (Output_merge_base::Input_sections): New type declaration.
234         (Output_merge_base::input_sections_begin,
235         Output_merge_base::input_sections_end,
236         Output_merge_base::do_set_keeps_input_sections): New method definitions.
237         (Output_merge_base::bool keeps_input_sections_,
238         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
239         Output_merge_base::input_sections_): New data members.
240         (Output_merge_data::do_set_keeps_input_sections): New method
241         defintion.
242         (Output_merge_string::do_set_keeps_input_sections): Ditto.
243         * output.cc (Output_section::Input_section::relobj): Move method
244         defintion from class declaration to here and handle merge sections.
245         (Output_section::Input_section::shndx): Ditto.
246         (Output_section::Output_section): Remove initializations of removed
247         data members and initialize new data member LOOKUP_MAPS_.
248         (Output_section::add_input_section): Set keeps-input-sections flag
249         for a newly created merge output section as appropriate.  Adjust code
250         to use Output_section_lookup_maps class.
251         (Output_section::add_relaxed_input_section): Adjst code for lookup
252         maps code refactoring.
253         (Output_section::add_merge_input_section): Add a new parameter
254         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
255         class.  If adding input section to a newly created merge output
256         section fails, remove the new merge section.
257         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
258         Adjust code for use of the Output_section_lookup_maps class.
259         (Output_section::find_merge_section): Ditto.
260         (Output_section::build_lookup_maps): New method defintion.
261         (Output_section::find_relaxed_input_section): Adjust code to use
262         Output_section_lookup_maps class.
263         (Output_section::get_input_sections): Export merge sections.  Adjust
264         code to use Output_section_lookup_maps class.
265         (Output_section:::add_script_input_section): Adjust code to use
266         Output_section_lookup_maps class.  Update lookup maps for merge
267         sections also.
268         (Output_section::discard_states): Use Output_section_lookup_maps.
269         (Output_section::restore_states): Same.
270         * output.h (Merge_section_properties): Move class defintion out of
271         Output_section.
272         (Output_section_lookup_maps): New class.
273         (Output_section::Input_section::is_merge_section): New method
274         defintion.
275         (Output_section::Input_section::relobj): Move defintion out of class
276         defintion.  Declare method only.
277         (Output_section::Input_section::shndx): Ditto.
278         (Output_section::Input_section::output_merge_base): New method defintion.
279         (Output_section::Input_section::u2_.pomb): New union field.
280         (Output_section::Merge_section_by_properties_map,
281         Output_section::Output_section_data_by_input_section_map,
282         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
283         Remove types.
284         (Output_section::add_merge_input_section): Add new parameter
285         KEEPS_INPUT_SECTIONS.
286         (Output_section::build_lookup_maps): New method declaration.
287         (Output_section::merge_section_map_,
288         Output_section::merge_section_by_properties_map_,
289         Output_section::relaxed_input_section_map_,
290         Output_section::is_relaxed_input_section_map_valid_): Remove data
291         members.
292         (Output_section::lookup_maps_): New data member.
293
294 2010-05-21  Doug Kwan  <dougkwan@google.com>
295
296         PR gold/11619
297         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
298         avoid a compilation error.
299
300 2010-05-19  Rafael Espindola  <espindola@google.com>
301
302         * script-sections.cc (Output_section_definition::allocate_to_segment):
303         Update the phdrs_list even when the output section is NULL.
304         * testsuite/Makefile.am: Add test.
305         * testsuite/Makefile.in: Regenerate.
306         * testsuite/script_test_9.cc: New.
307         * testsuite/script_test_9.sh: New.
308         * testsuite/script_test_9.t: New.
309
310 2010-05-19  Doug Kwan  <dougkwan@google.com>
311
312         * arm.cc (Arm_input_section::original_size): New method.
313         (Arm_input_section::do_addralign): Add a cast.
314         (Arm_input_section::do_output_offset): Remove static cast.
315         (Arm_input_section::original_addralign,
316          Arm_input_section::original_size_): Change type to uint32_t.
317         (Arm_input_section::init): Add safe casts for section alignment
318         and size.
319         (Arm_input_section::set_final_data_size): Do not set address and
320         offset of stub table.
321         (Arm_output_section::fix_exidx_coverage): Change use of of
322         Output_section::Simple_input_section to that of
323         Output_section::Input_section.
324         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
325         except for the first pass.
326         * output.cc (Output_section::get_input_sections): Change type of
327         input_sections to std::list<Input_section>.
328         (Output_section::add_script_input_section): Rename from
329         Output_section::add_simple_input_section.  Change type of SIS
330         parameter from Simple_input_section to Input_section.
331         * output.h (Output_section::Simple_input_section): Remove class.
332         (Output_section::Input_section): Change class visibility to public.
333         (Output_section::Input_section::addralign): Use stored alignments
334         for special input sections if set.
335         (Output_section::Input_section::set_addralign): New method.
336         (Output_section::get_input_sections): Change parameter type from
337         list of Simple_input_section to list of Input_section.
338         (Output_section::add_script_input_section): Rename from
339         Output_section::add_simple_input_section. Change first parameter's
340         type from Simple_input_section to Input_section and remove the
341         second and third parameters.
342         * script-sections.cc (Input_section::Input_section_list): Change
343         type to list of Output_section::Input_section/
344         (Input_section_info::Input_section_info): Change parameter type of
345         INPUT_SECTION to Output_section::Input_section.
346         (Input_section_info::input_section): Change return type.
347         (Input_section_info::input_section_): Change type to
348         Output_section::Input_section.
349         (Output_section_element_input::set_section_addresses): Adjust code
350         to use Output_section::Input_section instead of
351         Output_section::Simple_input_section.  Adjust code for renaming
352         of Output_section::add_simple_input_section.
353         (Orphan_output_section::set_section_addresses): Ditto.
354
355 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
356
357         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
358         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
359
360 2010-05-18  Rafael Espindola  <espindola@google.com>
361
362         * options.cc (General_options::finalize): Handle -nostdlib.
363         * options.h (nostdlib): New option.
364         * script.cc (script_add_search_dir): Handle -nostdlib.
365
366 2010-05-12  Doug Kwan  <dougkwan@google.com>
367
368         * arm.cc (Target_arm::do_finalize_sections): Create an empty
369         attributes section only if there no attributes section after merging.
370         (Target_arm::merge_object_attributes): Move value of
371         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
372         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
373         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
374         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
375         and arm_attr_merge_7.stdout.
376         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
377         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
378         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
379         arm_attr_merge_7b.o): New rules.
380         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
381         arm_attr_merge_7
382         * testsuite/Makefile.in: Regenerate.
383         * testsuite/arm_attr_merge.sh: New file.
384         * testsuite/arm_attr_merge_[67][ab].s: Same.
385
386 2010-05-05  Nick Clifton  <nickc@redhat.com>
387
388         * po/es.po: Updated Spanish translation.
389
390 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
391
392         * Makefile.am (install-exec-local): Properly install gold as
393         default cross linker.
394         * Makefile.in: Regenerated.
395
396 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
397             Nick Clifton  <nickc@redhat.com>
398
399         * configure.ac (install_as_default): Define and set to false
400         unless --enable-gold or --enable-gold=both/gold has been
401         specified.
402         * configure: Regenerate.
403
404         * Makefile.am (install-exec-local): Install the executable as
405         'ld.gold'.  If install_as_default is true then also install it as
406         'ld'.
407         * Makefile.in: Regenerated.
408
409 2010-04-24  Ian Lance Taylor  <iant@google.com>
410
411         * layout.cc (Layout::layout_reloc): In relocatable link don't
412         combine reloc sections for grouped sections.
413
414 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
415
416         * gc.h (gc_process_relocs): Pass information on relocs pointing to
417         sections that are not ordinary to icf.
418         * icf.cc (get_section_contents): Handle relocation pointing to section
419         with no object or shndx information.
420         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
421         * testsuite/Makefile.in: Regenerate.
422         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
423         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
424
425 2010-04-22  Ian Lance Taylor  <iant@google.com>
426
427         * expression.cc (Expression::Expression_eval_info): Add
428         result_alignment_pointer field.
429         (Expression::eval_with_dot): Add result_alignment_pointer
430         parameter.  Change all callers.
431         (Expression::eval_maybe_dot): Likewise.
432         (class Binary_expression): Add alignment_pointer parameter to
433         left_value and right_value.  Change all callers.
434         (BINARY_EXPRESSION): Set result alignment.
435         (class Trinary_expression): Add alignment_pointer parameter to
436         arg2_value and arg3_value.  Change all callers.
437         (Trinary_cond::value): Set result alignment.
438         (Max_expression::value, Min_expression::value): Likewise.
439         (Align_expression::value): Likewise.
440         * script-sections.cc (class Sections_element): Add dot_alignment
441         parameter to set_section_addresses virtual function.  Update
442         instantiations.
443         (class Output_section_element): Likewise.
444         (Script_sections::create_segments): Add dot_alignment parameter.
445         Change all callers.
446         (Script_sections::create_segments_from_phdrs_clause): Likewise.
447         (Script_sections::set_phdrs_clause_addresses): Likewise.
448         * script-sections.h: Update declarations.
449         * script.h: Update declarations.
450         * output.h (Output_segment::set_minimum_p_align): Don't decrease
451         min_p_align.
452         * testsuite/script_test_3.t: Set large alignment.
453         * testsuite/script_test_3.sh: Make sure that at least one LOAD
454         segment has expected alignment.
455
456 2010-04-22  Nick Clifton  <nickc@redhat.com>
457
458         * po/gold.pot: Updated by the Translation project.
459         * po/vi.po: Updated Vietnamese translation.
460
461 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
462
463         * testsuite/Makefile.am (check_PROGRAMS): Add
464         icf_virtual_function_folding_test.
465         * testsuite/Makefile.in: Regenerated.
466
467 2010-04-15  Andrew Haley  <aph@redhat.com>
468
469         * options.h (merge_exidx_entries): New option.
470         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
471         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
472         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
473         (Target_arm::merge_exidx_entries): New function.
474         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
475         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
476         to Arm_exidx_fixup constructor.
477         Add new arg, merge_exidx_entries.
478         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
479         Arm_output_section::fix_exidx_coverage.
480
481 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
482
483         * icf.cc (get_section_contents): Check for preemptible functions.
484         Ignore addend when appropriate.
485         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
486         section folded.
487         (add_from_relobj): Check for section folded.
488         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
489         * symtab.h (should_add_dynsym_entry): Add new parameter.
490         * target-reloc.h (scan_relocs): Check for section folded.
491         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
492         Check reloc types for function pointers in shared objects.
493         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
494         case.
495         (icf_preemptible_functions_test): New test case.
496         (icf_string_merge_test): New test case.
497         * testsuite.Makefile.in: Regenerate.
498         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
499         bar_glob.  Refactor code.
500         * testsuite/icf_preemptible_functions_test.cc: New file.
501         * testsuite/icf_preemptible_functions_test.sh: New file.
502         * testsuite/icf_string_merge_test.cc: New file.
503         * testsuite/icf_string_merge_test.sh: New file.
504         * testsuite/icf_virtual_function_folding_test.cc: New file.
505         * testsuite/icf_virtual_function_folding_test.sh: New file.
506
507 2010-04-14  Doug Kwan  <dougkwan@google.com>
508
509         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
510         for local symbol recounting if we remove a section due to ICF.
511         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
512         there are no regular objects in input.
513
514 2010-04-13  Doug Kwan  <dougkwan@google.com>
515
516         * arm.cc (Arm_input_section::set_final_data_size): Compute
517         accurate final data size instead of using current data size.
518
519 2010-04-09  Doug Kwan  <dougkwan@google.com>
520
521         * layout.cc (Layout::choose_output_section): Handle script section
522         types.
523         (Layout::make_output_section_for_script): Add section type parameter.
524         Handle script section types.
525         * layout.h (Layout::make_output_section_for_script): Add section
526         type parameter.
527         * output.cc (Output_section::Output_section): Initialize data member
528         is_noload_.
529         (Output_section::do_reset_address_and_file_offset): Do not set address
530         to 0 if section is a NOLOAD section.
531         * output.h (Output_section::is_noload): New method.
532         (Output_section::set_is_noload): Ditto.
533         (Output_section::is_noload_): New data member.
534         * script-c.h (Script_section_type): New enum type.
535         (struct Parser_output_section_header): Add new file section_type.
536         * script-sections.cc (Sections_element::output_section_name): Add
537         parameter for returning script section type.
538         (Output_section_definition::output_section_name): Ditto.
539         (Output_section_definition::section_type)P; New method.
540         (Output_section_definiton::script_section_type_name): Ditto.
541         (Output_section_definition::script_section_type_): New data member.
542         (Output_section_definition::Output_section_definition): Initialize
543         data member Output_section_definition::script_section_type_.
544         (Output_section_definition::create_sections): Pass script section type
545         to Layout::make_output_section_for_script.
546         (Output_section_definition::output_section_name): Return script
547         section type to caller.
548         (Output_section_definition::set_section_address): Do not advance
549         dot value and load address if section type is NOLOAD.  Set address
550         of NOLOAD sections regardless of section flags.
551         (Output_section_definition::print): Print section type if it is
552         not SCRIPT_SECTION_TYPE_NONE.
553         (Output_section_definition::section_type): New method.
554         (Output_section_definition::script_section_type_name): Ditto.
555         (Script_sections::output_section_name): Add new parameter
556         PSECTION_TYPE for returning script section type.  Pass it to
557         section elements.  Handle discard sections.
558         (Sort_output_sections::operator()): Handle NOLOAD sections.
559         * script-sections.h (Script_sections::Section_type): New enum type.
560         (Script_sections::output_section_name): Add a new parameter for
561         returning script section type.
562         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
563         INFO and NOLOAD.
564         * yyscript.y (union): Add new field SECTION_TYPE.
565         (COPY, DSECT, INFO, NOLOAD): New tokens.
566         (opt_address_and_section_type): Change type to output_section_header.
567         (section_type): New non-terminal
568         (section_header): Handle section type.
569         (opt_address_and_section_type): Return section type value.
570
571 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
572
573         * testsuite/plugin_common_test_1.c (foo): Add prototype.
574         * testsuite/plugin_common_test_2.c (foo): Likewise.
575
576 2010-04-08  Doug Kwan  <dougkwan@google.com>
577
578         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
579         Output_merge_data.
580         * output.cc (Output_section::add_merge_input_section): Simplify
581         code and return status of Output_merge_base::add_input_section.
582         Update merge section map only if Output_merge_base::add_input_section
583         returns true.
584
585 2010-04-07  Doug Kwan  <dougkwan@google.com>
586
587         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
588         if section is marked as containing instructions but has no mapping
589         symbols.
590         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
591         correct section index.
592         (Arm_relobj::find_linked_text_section): Ditto.
593
594 2010-04-07  Cary Coutant  <ccoutant@google.com>
595
596         * archive.cc (include_member): Destroy Read_symbols_data object before
597         releasing file.
598         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
599         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
600         (Read_symbols_data::~Read_symbols_data) New destructor.
601         (Section_relocs::Section_relocs) New constructor.
602         (Section_relocs::~Section_relocs) New destructor.
603         (Read_relocs_data::Read_relocs_data) New constructor.
604         (Read_relocs_data::~Read_relocs_data) New destructor.
605         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
606         pointers to NULL after deleting.
607
608 2010-04-07  Doug Kwan  <dougkwan@google.com>
609
610         * arm.cc: Replace "endianity" with "endianness" in comments.
611         (Arm_exidx_cantunwind): Ditto.
612         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
613         (Arm_relobj::merge_flags_and_attributes): New method.
614         (Arm_relobj::merge_flags_and_attributes_): New data member.
615         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
616         (Arm_relobj::scan_sections_for_stubs): Ditto.
617         (Arm_relobj::do_read_symbols): Check to see if we really want to
618         merge processor-specific flags and attributes.  Exit early if
619         an object is empty except for section names and the undefined symbol.
620         (Target_arm::do_finalize_sections): Move check for ELF format to
621         Arm_relobj::do_read_symbols.  Merge processor specific flags and
622         attributes from a regular object only when we have determined that
623         it is aapropriate.  Do not create an .ARM.attributes section in
624         output if there is no regular input object.
625         (Target_arm::merge_processor_specific_flags): Check
626         --warn-mismatch before printing any error.
627         (Target_arm::merge_object_attributes): Ditto.
628         * gold.cc (queue_middle_tasks): Handle the case in which there is
629         no regular object in input.
630         * options.cc (General_options::parse_EB): New method.
631         (General_options::parse_EL): Same.
632         (General_options::General_options): Initialize endianness_.
633         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
634         New options.
635         (General_options::Endianness): New enum.
636         (General_options::endianness): New method.
637         (General_options::endianness_): New data member.
638         * parameters.cc (Parameters::set_options): Check target endianness.
639         (Parameters::set_target_once): Ditto.
640         (Parameters::check_target_endianness): New method.
641         (parameters_force_valid_target): If either -EL or -EB is specified,
642         use it to define endianness of default target.
643         * parameters.h (Parameters::check_target_endianness): New method
644         declaration.
645         * target.h (class Target): Change "endianity" to "endianness"
646         in comments.
647
648 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
649
650         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
651         * configure: Regenerate.
652         * Makefile.in: Regenerate.
653         * testsuite/Makefile.in: Regenerate.
654
655 2010-04-06  Cary Coutant  <ccoutant@google.com>
656
657         gcc PR lto/42757
658         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
659         prevailing definitions of common symbols.
660         * testsuite/plugin_test_6.sh: New test case.
661         * testsuite/plugin_common_test_1.c: New test case.
662         * testsuite/plugin_common_test_2.c: New test case.
663         * testsuite/Makefile.am (plugin_test_6): New test case.
664         * testsuite/Makefile.in: Regenerate.
665
666 2010-04-06  Nick Clifton  <nickc@redhat.com>
667
668         * po/vi.po: New Vietnamese translation.
669
670 2010-03-30  Doug Kwan  <dougkwan@google.com>
671
672         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
673
674 2010-03-25  Doug Kwan  <dougkwan@google.com>
675
676         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
677         to avoid a conversion warning on a 32-bit host.
678
679 2010-03-24  Ian Lance Taylor  <iant@google.com>
680
681         * testsuite/script_test_3.t: Add a TLS segment.
682         * testsuite/Makefile.am (check_PROGRAMS): Add
683         tls_phdrs_script_test.
684         (tls_phdrs_script_test_SOURCES): Define.
685         (tls_phdrs_script_test_DEPENDENCIES): Define.
686         (tls_phdrs_script_test_LDFLAGS): Define.
687         (tls_phdrs_script_test_LDADD): Define.
688         * testsuite/Makefile.in: Rebuild.
689
690 2010-03-23  Cary Coutant  <ccoutant@google.com>
691
692         * fileread.cc (find_or_make_view): Fix comment.
693
694 2010-03-23  Ian Lance Taylor  <iant@google.com>
695
696         * script-sections.cc (class Orphan_section_placement): Define
697         PLACE_TLS and PLACE_TLS_BSS.
698         (Orphan_section_placement::Orphan_section_placement): Initialize
699         new places.
700         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
701         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
702         (tls_script_test_SOURCES): Define.
703         (tls_script_test_DEPENDENCIES): Define.
704         (tls_script_test_LDFLAGS): Define.
705         (tls_script_test_LDADD): Define.
706         * testsuite/Makefile.in: Rebuild.
707
708 2010-03-22  Doug Kwan  <dougkwan@google.com>
709
710         * arm.cc (Arm_relocate_functions::abs8,
711         Arm_relocate_functions::abs16): Use correct check for overflow
712         specified in the ARM ELF specs.
713         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
714         target of a BLX instruction specially.
715         (Reloc_stub::stub_type_for_reloc): Ditto.
716         (Relocate::relocate): Use symbolic names instead of numeric relocation
717         codes to report error.
718         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
719         workaround.
720         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
721         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
722         thumb2_blx_out_of_range.stdout
723         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
724         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
725         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
726         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
727         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
728         thumb2_blx_in_range, thumb2_blx_in_range.o,
729         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
730         thumb2_blx_out_of_range.o): New rules.
731         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
732         thumb2_blx_in_range and thumb2_blx_out_of_range.
733         * testsuite/Makefile.in: Regenerate.
734         * arm_branch_in_range.sh: Add tests for THUMB BLX.
735         * testsuite/thumb_blx_in_range.s: New file.
736         * testsuite/thumb_blx_out_of_range.s: New file.
737
738 2010-03-22  Rafael Espindola  <espindola@google.com>
739
740         * archive.cc (Should_include): Move to archive.h.
741         (should_include_member): Make it a member of Archive.
742         (Lib_group): New.
743         (Add_lib_group_symbols): New.
744         * archive.h: Include options.h.
745         (Archive_member): Moved from Archive.
746         (Should_include): Moved from archive.cc.
747         (Lib_group): New.
748         (Add_lib_group_symbols): New.
749         * dynobj.cc (do_should_include_member): New.
750         * dynobj.h (do_should_include_member): New.
751         * gold.cc (queue_initial_tasks): Update call to queue.
752         * main.cc (main): Print lib group stats.
753         * object.cc (do_should_include_member): New.
754         * object.h: Include archive.h.
755         (Object::should_include_member): New.
756         (Object::do_should_include_member): New.
757         (Sized_relobj::do_should_include_member): New.
758         * options.cc (General_options::parse_start_lib): New.
759         (General_options::parse_end_lib): New.
760         (Input_arguments::add_file): Handle lib groups.
761         (Input_arguments::start_group): Check we are not in a lib.
762         (Input_arguments::start_lib): New.
763         (Input_arguments::end_lib): New.
764         * options.h (General_options): Add start_lib and end_lib.
765         (Input_argument::lib_): New.
766         (Input_argument::lib): New.
767         (Input_argument::is_lib): New.
768         (Input_file_lib): New.
769         (Input_arguments::in_lib_): New.
770         (Input_arguments::in_lib): New.
771         (Input_arguments::start_lib): New.
772         (Input_arguments::end_lib_): New.
773         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
774         in unused members as preempted.
775         (Sized_pluginobj::do_should_include_member): New.
776         * plugin.h (Sized_pluginobj::do_should_include_member): New.
777         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
778         return the blocker.
779         (Read_symbols::do_whole_lib_group): New.
780         (Read_symbols::do_lib_group): New.
781         (Read_symbols::do_read_symbols): Handle lib groups.
782         (Read_symbols::get_name): Handle lib groups.
783         * readsyms.h (Read_symbols): Add an archive member pointer.
784         (Read_symbols::do_whole_lib_group): New.
785         (Read_symbols::do_lib_group): New.
786         (Read_symbols::member_): New.
787         * script.cc (read_input_script): Update call to queue_soon.
788
789 2010-03-19  Doug Kwan  <dougkwan@google.com>
790
791         * arm.cc (Stub_table::Stub_table): Initialize new data members
792         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
793         (Stub_table::add_reloc_stub): Assign stub offset and update
794         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
795         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
796         New data members.
797         (Stub_table::update_data_size_and_addralign): Use
798         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
799         instead of going over all reloc stubs.
800         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
801         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
802         Stringpool_template::offset_ to size of Stringpool_char.
803         (Stringpool_template::new_key_offset): Remove code to initialize
804         Stringpool_template::offset_.
805         * stringpool.h (Stringpool_template::set_no_zero_null): Set
806         Stringpool_template::offset_ to zero.
807
808 2010-03-15  Doug Kwan  <dougkwan@google.com>
809
810         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
811         offset_.
812         (Stringpool_template::new_key_offset): New method.
813         (Stringpool_template::add_string): Assign offsets when adding new
814         strings.
815         (Stringpool_template::set_string_offsets): Do not set string offsets
816         when not optimizing.
817         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
818         member size_.
819         (Chunked_vector::clear): Clear size_.
820         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
821         (Chunked_vector::size): Return size_.
822         (Chunked_vector::push_back): Use size_ to find insert position.
823         (Chunked_vector::size_): New data member.
824         (Stringpool_template::set_no_zero_null): Assert string set is empty.
825         (Stringpool_template::new_key_offset): New method declaration.
826         (Stringpool_template::offset_): New data member.
827
828 2010-03-15   Rafael Espindola  <espindola@google.com>
829
830         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
831         Add_symbols' constructor.
832         * readsyms.h (Add_symbols): Remove the input_group member.
833
834 2010-03-10  Ian Lance Taylor  <iant@google.com>
835
836         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
837         target to ask whether a reference to a symbol requires a stack
838         split.
839         * target.h (Target::is_call_to_non_split): New function.
840         (Target::do_is_call_to_non_split): Declare virtual function.
841         * target.cc: Include "symtab.h".
842         (Target::do_is_call_to_non_split): New function.
843         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
844
845 2010-03-10  Cary Coutant  <ccoutant@google.com>
846
847         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
848         (File_read::open[1]): Remove initial mapping of whole_file_view_.
849         (File_read::open[2]): Add whole_file_view_ to list of views.
850         (File_read::make_view): Remove test of whole_file_view_.
851         (File_read::find_or_make_view): Create whole_file_view_ if
852         necessary.
853         (File_read::clear_views): Replace bool parameter with enum;
854         adjust all callers.  Don't delete views with permanent data;
855         do delete cached views and views from archives if
856         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
857         if clearing the corresponding view.
858         * fileread.h (File_read::Clear_views_mode): New enum.
859         (File_read::View::is_permanent_view): New method.
860         (File_read::clear_views): Replace bool parameter
861         with enum; adjust all callers.
862         * options.h (General_options): Change keep_files_mapped option;
863         add map_whole_files.
864         * readsyms.cc (Add_symbols::run): Delete sd_ object before
865         releasing the file.
866         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
867         the file.
868
869 2010-03-10  David S. Miller  <davem@davemloft.net>
870
871         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
872
873 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
874
875         * icf.cc (get_section_contents): Add '@' marker after processing the
876         merge reloc.
877
878 2010-03-08  Doug Kwan  <dougkwan@google.com>
879
880         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
881         due to a conversion warning.
882         (Arm_relobj::update_output_local_symbol_count): Check for local
883         symbol with unset output index.
884
885 2010-03-05  Ian Lance Taylor  <iant@google.com>
886
887         * options.h (class General_options): Add --spare-dynamic-tags.
888         * output.cc (Output_data_dynamic::set_final_data_size): Implement
889         --spare-dynamic-tags.
890
891 2010-03-05  Ian Lance Taylor  <iant@google.com>
892
893         * incremental.cc: Include "libiberty.h".
894
895 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
896
897         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
898         function, is_info_ member.
899         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
900         (Versions::Versions): Update caller.
901         (Versions::define_base_version): Likewise.
902         (Versions::add_def): Likewise.
903
904 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
905
906         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
907         (Scan::possible_function_pointer_reloc): New function.
908         (Scan::local_reloc_may_be_function_pointer): Change to call
909         possible_function_pointer_reloc.
910         (Scan::global_reloc_may_be_function_pointer): Ditto.
911         * icf.h (Icf::check_section_for_function_pointers): Change to reject
912         relocations in ".data.rel.ro._ZTV" section.
913         * testsuite/icf_safe_so_test.sh: Change to pass i386.
914         * testsuite/icf_safe_so_test.cc: Ditto.
915         * testsuite/icf_safe_test.cc: Ditto.
916         * testsuite/icf_safe_test.sh: Ditto.
917
918 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
919             Ian Lance Taylor  <iant@google.com>
920
921         * target-reloc.h (relocate_section): Check the symbol table index
922         for -1U before setting the local symbol index.
923         (scan_relocatable_relocs): If copying the relocation, record that
924         the local symbol is required.
925         * object.h (Symbol_value::is_output_symtab_index_set): New
926         function.
927         (Symbol_value::may_be_discarded_from_output_symtab): New
928         function.
929         (Symbol_value::has_output_symtab_entry): New function.
930         (Symbol_value::needs_output_symtab_entry): Remove.
931         (Symbol_value::output_symtab_index): Make sure the symbol index is
932         set.
933         (Symbol_value::set_output_symtab_index): Make sure the symbol
934         index is not set.  Make sure the new index is valid.
935         (Symbol_value::set_must_have_output_symtab_entry): New function.
936         (Symbol_value::has_output_dynsym_entry): New function.
937         (Symbol_value::set_output_dynsym_index): Make sure the new index
938         is valid.
939         (Sized_relobj::set_must_have_output_symtab_entry): New function.
940         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
941         local symbol if permitted.
942         (Sized_relobj::do_finalize_local_symbols): Call
943         is_output_symtab_index_set rather than needs_output_symtab_entry.
944         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
945         rather than needs_output_symtab_entry.  Call
946         has_output_dynsym_entry rather than needs_output_dynsym_entry.
947         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
948         is_output_symtab_index_set rather than needs_output_symtab_entry.
949         * testsuite/discard_locals_relocatable_test.c: New file.
950         * testsuite/discard_locals_test.sh: Test -r.
951         * testsuite/Makefile.am (check_DATA): Add
952         discard_locals_relocatable_test1.syms,
953         discard_local_relocatable_test2.syms.
954         (MOSTLYCLEANFILES): Likewise.  Also add
955         discard_locals_relocatable_test1.lout and
956         discard_locals_relocatable_test2.out.
957         (discard_locals_relocatable_test1.syms): New target.
958         (discard_locals_relocatable_test.o): New target.
959         (discard_locals_relocatable_test1.out): New target.
960         (discard_locals_relocatable_test2.syms): New target.
961         (discard_locals_relocatable_test2.out): New target.
962         (various): Add missing ../ld-new dependencies.
963         * testsuite/Makefile.in: Rebuild.
964
965 2010-03-03  Nick Clifton  <nickc@redhat.com>
966
967         * po/fi.po: New Finnish translation.
968
969 2010-03-01  Doug Kwan  <dougkwan@google.com>
970
971         * layout.cc (Layout::Layout): Force section types of .init_array*,
972         .preinit_array* and .fini_array* sections.
973         * output.cc (Output_section::Input_section_sort_entry::has_priority):
974         Fix check of return value of std::string::find.().
975         (Output_section::Input_section_sort_compare::operator()): Remove
976         comment about .init_array.
977         (Output_section::Input_section_sort_init_fini_compare::operator()):
978         New method.
979         (Output_section::sort_attached_input_sections): Handle .init_array
980         and .fini_array specially.
981         * output.h (Output_section::Inut_section_sort_compare): Update
982         comment.
983         (Output_section::Input_section_sort_init_fini_compare): New struct.
984
985 2010-02-26  Doug Kwan  <dougkwan@google.com>
986
987         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
988         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
989         * testsuite/debug_msg.sh: Avoid matching source line number for
990         use of global variable undef_int.
991
992 2010-02-26  Doug Kwan  <dougkwan@google.com>
993
994         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
995         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
996         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
997         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
998         * options.cc (General_options::General_options): Initialize member
999         fix_v4bx_.
1000         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
1001         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
1002         and rm_no_fix_v4bx.stdout
1003         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
1004         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1005         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1006         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1007         and arm_no_fix_v4bx.
1008         * Makefile.in: Regenerate.
1009         * testsuite/arm_fix_v4bx.s: New file.
1010         * testsuite/arm_fix_v4bx.sh: Ditto.
1011
1012 2010-02-24  Doug Kwan  <dougkwan@google.com>
1013
1014         * arm.cc (Target_arm::got_section): Make the .got section the first
1015         non RELRO section in the data segment.
1016         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1017         suffixes of section names.
1018
1019 2010-02-24  Doug Kwan  <dougkwan@google.com>
1020
1021         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1022         flags and attributes merging if an input file is a binary file.
1023         * fileread.cc (Input_file::open): Record format of original file.
1024         * fileread.h (Input_file::Format): New enum type.
1025         (Input_file::Input_file): Initialize data member format_.
1026         (Input_file::format): New method definition.
1027         (Input_file::format_):: New data member.
1028
1029 2010-02-24  Doug Kwan  <dougkwan@google.com>
1030
1031         * arm.cc (Arm_output_data_got): New class.
1032         (ARM_TCB_SIZE): New constant
1033         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1034         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1035         If user uses a script with a SECTIONS clause, issue only a warning
1036         for a misplaced EXIDX input section.  Otherwise, issue an error.
1037         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1038         garbage collection.
1039         (Target_arm::got_mode_index_entry): Handle static linking.
1040         (Target_arm::Scan::local): Ditto.
1041         (Target_arm::Scan::global): Ditto.
1042         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
1043         all incorrectly implemented relocations.
1044         (Target_arm::fix_exidx_coverage): Pass layout to
1045         Arm_output_section::fix_exidx_coverage.
1046         * layout.cc (Layout::section_name_mapping): Remove trailing dots
1047         from ".ARM.exidx." and ".ARM.extab.".
1048
1049 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1050
1051         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1052         section if it does not already exist.
1053         * attributes.cc (Attributes_section_data::Attributes_section_data):
1054         Don't crash if size is zero.
1055
1056 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1057             Ian Lance Taylor  <iant@google.com>
1058
1059         * gold.cc (queue_middle_tasks): If no input files were opened,
1060         exit.
1061         * workqueue.h (Task_function::Task_function): Assert that there is
1062         a blocker.
1063
1064 2010-02-22  Doug Kwan  <dougkwan@google.com>
1065
1066         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1067         * icf.cc (get_section_contents): Cast snprintf arguments to long long
1068         types to avoid warnings due to different uint64_t implementations
1069         on different hosts.
1070
1071 2010-02-21  Doug Kwan  <dougkwan@google.com>
1072
1073         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1074         handling of the maximum backward branch offset.
1075         (Arm_relocate_functions::thumb_branch_common): Ditto.
1076         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1077         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1078         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1079         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1080         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1081         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1082         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1083         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1084         thumb_bl_out_of_range thumb_bl_out_of_range.o,
1085         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1086         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1087         thumb2_bl_out_of_range.o): New rules.
1088         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1089         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1090         thumb2_bl_out_of_range
1091         * testsuite/Makefile.in: Regenerate.
1092         * testsuite/arm_bl_in_range.s: New file.
1093         * testsuite/arm_bl_out_of_range.s: Ditto.
1094         * testsuite/arm_branch_in_range.sh: Ditto.
1095         * testsuite/arm_branch_range.t: Ditto.
1096         * testsuite/thumb2_branch_range.t: Ditto.
1097         * testsuite/thumb_bl_in_range.s: Ditto.
1098         * testsuite/thumb_bl_out_of_range.s: Ditto.
1099         * testsuite/thumb_branch_range.t: Ditto.
1100
1101 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1102
1103         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1104         Add reloc offset information.
1105         * icf.cc (get_section_contents): Change iterators to point to the new
1106         vectors. Add reloc offset information to the contents.
1107         * icf.h (Icf::Sections_reachable_info): New typedef.
1108         (Icf::Sections_reachable_list): New typedef.
1109         (Icf::Offset_info): New typedef.
1110         (Icf::Reloc_info): New struct typedef.
1111         (Icf::Reloc_info_list): New typedef.
1112         (Icf::symbol_reloc_list): Delete method.
1113         (Icf::addend_reloc_list): Delete method.
1114         (Icf::section_reloc_list): Delete method.
1115         (Icf::reloc_info_list): New method.
1116         (Icf::reloc_info_list_): New member.
1117
1118 2010-02-19  Doug Kwan  <dougkwan@google.com>
1119
1120         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1121         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1122         * arm.cc (Arm_relocation_functions): New forward declaration.
1123         (Target_arm::Target_arm): Initialize new data members
1124         got_mod_index_offset_ and tls_base_symbol_defined_.
1125         (Target_arm::Relocate::relocate_tls): New method.
1126         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1127          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1128         New methods.
1129         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1130         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1131         (Target_arm::got_mod_index_offset_,
1132         Target_arm::tls_base_symbol_defined_): New data members.
1133         (Target_arm::Scan::local, Target::Scan::global,
1134         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1135         relocations.
1136
1137 2010-02-18  Doug Kwan  <dougkwan@google.com>
1138
1139         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1140         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1141         text section as a parameter becuase some broken tools may not set
1142         the link in section header.
1143         (Target_arm::has_got_section): New method.
1144         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1145         without any mapping symbol as data only.  Remove warning.
1146         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1147         link in its section header, try to discover the link by inspecting the
1148         REL31 relocation at the beginning of the section.
1149         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1150         in error message.
1151         (Target_arm::Scan::global): Treat any reference to the symbol
1152         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1153
1154 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1155
1156         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1157         (Scan::global_reloc_may_be_function_pointer): New function.
1158         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1159         (Scan::global_reloc_may_be_function_pointer): New function.
1160         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1161         (Scan::global_reloc_may_be_function_pointer): New function.
1162         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1163         (Scan::global_reloc_may_be_function_pointer): New function.
1164         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1165         (Scan::global_reloc_may_be_function_pointer): New function.
1166         (Scan::possible_function_pointer_reloc): New function.
1167         (Target_x86_64::can_check_for_function_pointers): New function.
1168         * gc.h (gc_process_relocs): Scan relocation types to determine if
1169         function pointers were taken for targets that support it.
1170         * icf.cc (Icf::find_identical_sections): Include functions for
1171         folding in safe ICF whose pointer is not taken.
1172         * icf.h (Secn_fptr_taken_set): New typedef.
1173         (fptr_section_id_): New member.
1174         (section_has_function_pointers): New function.
1175         (set_section_has_function_pointers): New function.
1176         (check_section_for_function_pointers): New function.
1177         * options.h: Fix comment for safe ICF option.
1178         * target.h (can_check_for_function_pointers): New function.
1179         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1180         Modify icf_safe_test for X86-64.
1181         * testsuite/Makefile.in: Regenerate.
1182         * testsuite/icf_safe_so_test.cc: New file.
1183         * testsuite/icf_safe_so_test.sh: New file.
1184         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1185         (main): Change to take pointer to function kept_func_3.
1186         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1187         folding is done correctly for X86-64.
1188
1189 2010-02-12  David S. Miller  <davem@davemloft.net>
1190
1191         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1192         is_symbolless parameter.
1193         (Output_reloc<SHT_REL>::is_symbolless): New.
1194         (Output_reloc<SHT_REL>::is_symbolless_): New.
1195         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1196         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1197         (Output_reloc<SHT_RELA>::is_symbolless): New.
1198         (Output_data_reloc::add_global): Handle is_symbolless.
1199         (Output_data_reloc::add_global_relative): Likewise.
1200         (Output_data_reloc::add_local): Likewise.
1201         (Output_data_reloc::add_local_relative): Likewise.
1202         (Output_data_reloc::add_symbolless_global_addend): New.
1203         (Output_data_reloc::add_symbolless_local_addend): New.
1204         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1205         is_symbolless.
1206         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1207         instead of ->is_relative_
1208         (Output_reloc::write): Likewise.
1209         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1210         (Output_reloc::write_rel): Simplify.
1211
1212         * sparc.cc (Target_sparc::Scan::local): Use
1213         ->add_symbolless_local_addend as needed.
1214         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1215         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1216         based upon relocation offset.
1217
1218 2010-02-11  Doug Kwan  <dougkwan@google.com>
1219
1220         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1221         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1222         beginning of function.
1223         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1224         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1225         parameter is_32bit in calls to should_apply_static_reloc.
1226         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1227         (check_DATA): Add arm_abs_global.stdout.
1228         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1229         arm_abs_global.stdout): New rules.
1230         (MOSTLLYCLEANFILES): Add arm_abs_global
1231         * Makefile.in: Regenerate.
1232         * testsuite/arm_abs_global.s: New file.
1233         * testsuite/arm_abs_global.sh: Ditto.
1234         * testsuite/arm_abs_lib.s: Ditto.
1235
1236 2010-02-11  Ian Lance Taylor  <iant@google.com>
1237
1238         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1239         Read_relocs task.
1240         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1241         Allocate_commons_task first.
1242         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1243         task, rather than symtab_lock_.
1244         (Gc_process_relocs::~Gc_process_relocs): New function.
1245         (Gc_process_relocs::is_runnable): Check this_blocker_.
1246         (Gc_process_relocs::locks): Use next_blocker_ rather than
1247         blocker_.
1248         (Scan_relocs::~Scan_relocs): New function.
1249         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1250         symtab_lock_.
1251         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1252         next_blocker_.
1253         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1254         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1255         constructor accordingly.
1256         (class Gc_process_relocs): Likewise.
1257         (class Scan_relocs): Likewise.
1258         * common.h (class Allocate_commons_task): Remove symtab_lock_
1259         field, and corresponding constructor parameter.
1260         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1261         symtab_lock_.
1262         (Allocate_commons_task::locks): Likewise.
1263
1264 2010-02-11  Ian Lance Taylor  <iant@google.com>
1265
1266         * gold-threads.h (class Once): Define.
1267         (class Initialize_lock): Rewrite as child of Once.
1268         * gold-threads.cc (class Once_initialize): Define.
1269         (once_pointer_control): New static variable.
1270         (once_pointer, once_arg): New static variables.
1271         (c_run_once): New static function.
1272         (Once::Once, Once::run_once, Once::internal_run): New functions.
1273         (class Initialize_lock_once): Remove.
1274         (initialize_lock_control): Remove.
1275         (initialize_lock_pointer): Remove.
1276         (initialize_lock_once): Remove.
1277         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1278         (Initialize_lock::initialize): Rewrite.
1279         (Initialize_lock::do_run_once): New function.
1280         * archive.cc (Archive::interpret_header): Only clear name if it is
1281         not already empty.
1282         * fileread.cc: Include "gold-threads.h"
1283         (file_counts_lock): New static variable.
1284         (file_counts_initialize_lock): Likewise.
1285         (File_read::release): Only increment counts when using --stats.
1286         Use a lock around the increment.
1287         * parameters.cc (class Set_parameters_target_once): Define.
1288         (set_parameters_target_once): New static variable.
1289         (Parameters::Parameters): Move here from parameters.h.
1290         (Parameters::set_target): Rewrite.
1291         (Parameters::set_target_once): New function.
1292         (Parameters::clear_target): Move here and rewrite.
1293         * parameters.h (class Parameters): Update declarations.  Add
1294         set_parameters_target_once_ field.
1295         (Parameters::Parameters): Move to parameters.cc.
1296         (Parameters::clear_target): Likewise.
1297         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1298         task.
1299         (Start_group::~Start_group): New function.
1300         (Start_group::is_runnable): New function.
1301         (Start_group::locks, Start_group::run): New functions.
1302         (Finish_group::run): Change saw_undefined to size_t.
1303         * readsyms.h (class Start_group): Define.
1304         (class Finish_group): Change saw_undefined_ field to size_t.
1305         (Finish_group::Finish_group): Remove saw_undefined and
1306         this_blocker parameters.  Change all callers.
1307         (Finish_group::set_saw_undefined): New function.
1308         (Finish_group::set_blocker): New function.
1309         * symtab.h (class Symbol_table): Change saw_undefined to return
1310         size_t.  Change saw_undefined_ field to size_t.
1311         * target-select.cc (Set_target_once::do_run_once): New function.
1312         (Target_selector::Target_selector): Initialize set_target_once_
1313         field.  Don't initialize lock_ and initialize_lock_ fields.
1314         (Target_selector::instantiate_target): Rewrite.
1315         (Target_selector::set_target): New function.
1316         * target-select.h (class Set_target_once): Define.
1317         (class Target_selector): Update declarations.  Make
1318         Set_target_once a friend.  Remove lock_ and initialize_lock_
1319         fields.  Add set_target_once_ field.
1320
1321 2010-02-10  Ian Lance Taylor  <iant@google.com>
1322
1323         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1324         queueing any tasks.
1325         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1326         (queue_middle_tasks): Add all blockers before queueing any tasks.
1327         (queue_final_tasks): Likewise.
1328         * token.h (Task_token::add_blockers): New function.
1329         * object.h (Input_objects::number_of_relobjs): New function.
1330
1331 2010-02-10  Ian Lance Taylor  <iant@google.com>
1332
1333         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1334         shared, not if not position independent.
1335         * x86_64.cc (Relocate::relocate_tls): Likewise.
1336         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1337         (tls_pie_pic_test): New target.
1338         * testsuite/Makefile.in: Rebuild.
1339
1340         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1341         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1342         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1343         * testsuite/Makefile.in: Rebuild.
1344
1345 2010-02-09  David S. Miller  <davem@davemloft.net>
1346
1347         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1348         R_SPARC_RELATIVE using ->add_local_relative().
1349         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1350
1351         * output.h (Output_data_dynamic::add_section_size): New method
1352         that takes two Output_data objects.
1353         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1354         entry param.  Handle it in initializers.
1355         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1356         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1357         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1358         arg.
1359         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1360         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1361         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1362         for dynrel_includes_plt.
1363         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1364         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1365         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1366         before .rela.plt
1367         (Target_sparc::do_finalize_sections): Update to pass true for
1368         dynrel_includes_plt.
1369         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1370         output before .rela.plt
1371         (Target_powerpc::do_finalize_sections): Update to pass true for
1372         dynrel_includes_plt when 32-bit.
1373
1374 2010-02-08  Doug Kwan  <dougkwan@google.com>
1375
1376         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1377         method.
1378         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1379         Arm_relobj::scan_section_for_cortex_a8_stubs,
1380         Arm_relobj::do_relocation_section): Instead of calling
1381         Output_section::output_address, use faster
1382         Arm_relobj::simple_input_section_output_address.
1383
1384 2010-02-08  David S. Miller  <davem@davemloft.net>
1385
1386         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1387         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1388         relocation helper function.
1389
1390         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1391         just like R_SPARC_GOT{10,13,22}.
1392         (Target_sparc::Scan::local): Likewise.
1393         (Target_sparc::Relocate:relocate): Likewise.
1394
1395 2010-02-06  Ian Lance Taylor  <iant@google.com>
1396
1397         * configure.ac: Rewrite targetobjs duplicate removal code to use
1398         only shell constructs.
1399         * configure: Rebuild.
1400
1401 2010-02-05  Doug Kwan  <dougkwan@google.com>
1402
1403         PR 11247
1404         * arm.cc (Arm_relobj::section_is_scannable): New method.
1405         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1406         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1407
1408 2010-02-04  Doug Kwan  <dougkwan@google.com>
1409
1410         PR 11247
1411         * arm-reloc-property.cc (cstdio): Include.
1412         * configure.ac (targetobjs): Remove duplicates.
1413         * configure: Regenerate.
1414         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1415         big and little endian version for a given address size.
1416
1417 2010-02-03  Doug Kwan  <dougkwan@google.com>
1418
1419         * arm-reloc-property.cc
1420         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1421         definition.
1422         * arm-reloc-property.h
1423         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1424         New method definition.
1425         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1426         declaration.
1427         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1428         overflow to N.
1429         (GOT_PREL): Change implemented to Y.
1430         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1431         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1432         (Arm_relocate_functions::movw_abs_nc): Remove method.
1433         (Arm_relocate_functions::movt_abs): Ditto.
1434         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1435         (Arm_relocate_functions::thm_movt_abs): Ditto.
1436         (Arm_relocate_functions::movw_rel_nc): Ditto.
1437         (Arm_relocate_functions::movw_rel): Ditto.
1438         (Arm_relocate_functions::movt_rel): Ditto.
1439         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1440         (Arm_relocate_functions:thm_movw_rel): Ditto.
1441         (Arm_relocate_functions:thm_movt_rel): Ditto.
1442         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1443         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1444         New method definitions.
1445         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1446         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1447         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1448         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1449         (Target_arm::Relocate::relocate): Check for non-static or
1450         unimplemented relocation code and exit early.  Change calls to
1451         Target_arm::reloc_uses_thumb_bit and
1452         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1453         instead.  Refactor code to handle similar relocations to increase
1454         code sharing.  Remove check for unsupported relocation code in switch
1455         statement.
1456         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1457         relocation property table to find out size.  Change error message to
1458         print out the name of a relocation code instead of the numeric value.
1459         (Target_arm::scan_reloc_for_stub): Use relocation property table
1460         instead of calling Target_arm::reloc_uses_thumb_bit().
1461
1462 2010-02-02  Doug Kwan  <dougkwan@google.com>
1463
1464         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1465         types of relaxed input section.
1466
1467 2010-02-02  Doug Kwan  <dougkwan@google.com>
1468
1469         * Makefile.am (HFILES): Add arm-reloc-property.h.
1470         (DEFFILES): New.
1471         (TARGETSOURCES): Add arm-reloc-property.cc
1472         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1473         (libgold_a_SOURCES): $(DEFFILES)
1474         * Makefile.in: Regenerate.
1475         * arm-reloc-property.cc: New file.
1476         * arm-reloc-property.h: New file.
1477         * arm-reloc.def: New file.
1478         * arm.cc: Update comments.
1479         (arm-reloc-property.h): New included header.
1480         (arm_reloc_property_table): New global variable.
1481         (Target_arm::do_select_as_default_target): New method definition.
1482         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1483         arm-reloc-property to targ_extra_obj.
1484         * parameters.cc (set_parameters_target): Call
1485         Target::select_as_default_target().
1486         * target.h (Target::select_as_default_target): New method definition.
1487         (Target::do_select_as_default_target): Same.
1488
1489 2010-02-01  Doug Kwan  <dougkwan@google.com>
1490
1491         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1492         first_output_text_section_.
1493         (Arm_exidx_fixup::first_output_text_section): New method definition.
1494         (Arm_exidx_fixup::first_output_text_section_): New data member.
1495         (Arm_exidx_fixup::process_exidx_section): Record the first text
1496         output section seen.
1497         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1498         and entsize in output section header.
1499
1500 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1501
1502         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1503         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1504         (Arm_relocate_functions::thm_alu11): New Method.
1505         (Arm_relocate_functions::thm_pc8): New Method.
1506         (Arm_relocate_functions::thm_pc12): New Method.
1507         (Target_arm::Scan::local): Handle the relocations.
1508         (Target_arm::Scan::global): Likewise.
1509         (Target_arm::Relocate::relocate): Likewise.
1510         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1511
1512 2010-01-29  Doug Kwan  <dougkwan@google.com>
1513
1514         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1515         of relocation types as ld.
1516
1517 2010-01-29  Doug Kwan  <dougkwan@google.com>
1518
1519         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1520         to public.
1521         (Arm_relocate_functions::thumb_branch_common): Ditto.
1522         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1523         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1524         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1525         Arm_relocate_functions::jump24): Remove.
1526         (Target_arm::Relocate::relocate): Adjust code to call
1527         Arm_relocation_functions::arm_branch_common and
1528         Arm_relocation_functions::thumb_branch_common instead of their removed
1529         wrappers.  Merge switch-cases together to reduce source code size.
1530
1531 2010-01-29  Doug Kwan  <dougkwan@google.com>
1532
1533         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1534         output_local_symbol_count_needs_update_.
1535         (Arm_relobj::output_local_symbol_count_needs_update,
1536          Arm_relobj::set_output_local_symbol_count_needs_update,
1537          Arm_relobj::update_output_local_symbol_count): New methods.
1538         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1539         member.
1540         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1541         of pointed function as in a R_ARM_PREL31 relocation.
1542         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1543         for output local symbol count updating.
1544         (Target_arm::do_relax): Update output local symbol counts in objects
1545         if necessary.
1546         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1547
1548 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1549
1550         * arm.cc: Added support for the ARM relocations:
1551         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1552         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1553         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1554         movw_prel_nc).
1555         (Arm_relocate_functions::movw_rel): New method.
1556         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1557         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1558         thm_movw_prel_nc).
1559         (Arm_relocate_functions::thm_movw_rel): New method.
1560         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1561         thm_movt_prel).
1562         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1563         relocations.
1564         (Target_arm::Scan::global): Likewise.
1565         (Target_arm::Relocate::relocate): Likewise.
1566         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1567         Likewise.
1568
1569 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1570
1571         * arm.cc: Added support for ARM group relocations.
1572         (Target_arm::reloc_needs_sym_origin): New method.
1573         (Arm_relocate_functions::calc_grp_kn): New method.
1574         (Arm_relocate_functions::calc_grp_residual): New method.
1575         (Arm_relocate_functions::calc_grp_gn): New method.
1576         (Arm_relocate_functions::arm_grp_alu): New Method.
1577         (Arm_relocate_functions::arm_grp_ldr): New Method.
1578         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1579         (Arm_relocate_functions::arm_grp_ldc): New Method.
1580         (Target_arm::Scan::local): Handle the ARM group relocations.
1581         (Target_arm::Scan::global): Likewise.
1582         (Target_arm::Relocate::relocate): Likewise.
1583         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1584         Likewise.
1585
1586 2010-01-26  Doug Kwan  <dougkwan@google.com>
1587
1588         * arm.cc (set): Include.
1589         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1590         pointer type.
1591         (Arm_output_section::Text_section_list): New type.
1592         (Arm_output_section::append_text_sections_to_list): New method.
1593         (Arm_output_section::fix_exidx_coverage): Ditto.
1594         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1595         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1596         Relobj::set_section_offset() instead of
1597         Sized_relobj::invalidate_section_offset().
1598         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1599         parameter for section headers. Ignore relocation sections for
1600         unallocated sections and EXIDX sections.
1601         (Target_arm::fix_exidx_coverage): New method.
1602         (Target_arm::output_section_address_less_than): New type.
1603         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1604         linked text section instead of the EXIDX section.
1605         (Arm_output_section::create_stub_group): Add an assertion to check
1606         that this is not an EXIDX output section.
1607         (Arm_output_section::append_text_sections_to_list): New method.
1608         (Arm_output_section::fix_exidx_coverage): Ditto.
1609         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1610         Arm_relobj::section_needs_reloc_stub_scanning.
1611         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1612         first pass.
1613         (Target_arm::fix_exidx_coverage): New method.
1614         * object.h (Relobj::set_output_section): New method.
1615         (Sized_relobj::invalidate_section_offset): Remove method.
1616         (Sized_relobj::do_invalidate_section_offset): Remove method.
1617         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1618
1619 2010-01-25  Doug Kwan  <dougkwan@google.com>
1620
1621         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1622         Fix warning due to signed and unsigned comparison on a 32-bit host.
1623
1624 2010-01-22  Doug Kwan  <dougkwan@google.com>
1625
1626         * arm.cc (Target_arm::do_relax): Record an output section for section
1627         offset adjustment it contains any stub table that has changed.
1628         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1629         offsets in an output section if necessary.
1630         * output.cc (Output_section::Output_section): Initialize
1631         section_offsets_need_adjustments_.
1632         (Output_section::add_input_section_for_script): Renamed to
1633         Output_section::add_simple_input_section.
1634         (Output_section::save_states): Add a comment.
1635         (Output_section::discard_states): New method defintion.
1636         (Output_section::adjust_section_offsets): Same.
1637         * output.h (Output_section::add_input_section_for_script): Renamed to
1638         Output_section::add_simple_input_section.
1639         (Output_section::discard_states): New method declaration.
1640         (Output_section::adjust_section_offsets): Same.
1641         (Output_section::section_offsets_need_adjustment,
1642         Output_section::set_section_offsets_need_adjustment): New method
1643         definitions.
1644         (Output_section::section_offsets_need_adjustment_): New data member.
1645         * script-sections.cc
1646         (Output_section_element_input::set_section_address): Adjust code for
1647         renaming of Output_section::add_input_section_for_script.
1648         (Orphan_output_section::set_section_address): Same.
1649
1650 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1651
1652         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1653         Fix_v4bx enum values .
1654         * gold/options.h (General_options): New option definitions.
1655         (General_options::fix_v4bx): New method.
1656         (General_options::Fix_v4bx): New enum.
1657         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1658         (General_options::parse_fix_v4bx_interworking): New method.
1659
1660 2010-01-22  Doug Kwan  <dougkwan@google.com>
1661
1662         * arm.cc (Arm_exidx_fixup): New class.
1663
1664 2010-01-21  Doug Kwan  <dougkwan@google.com>
1665
1666         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1667         classes.
1668         (Arm_exidx_section_offset_map): New type.
1669
1670 2010-01-21  Doug Kwan  <dougkwan@google.com>
1671
1672         * arm.cc (Arm_exidx_input_section): New class.
1673         (Arm_relobj::exidx_input_section_by_link,
1674         Arm_relobj::exidx_input_section_by_shndx,
1675         Arm_relobj::make_exidx_input_section): New methods.
1676         (read_arm_attributes_section): Remove.
1677         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1678         information about them.
1679         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1680         to here.
1681
1682 2010-01-20  Doug Kwan  <dougkwan@google.com>
1683
1684         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1685         Input_section_specifier to Section_id.
1686         (Target_arm::new_arm_input_section: Adjust code for change of key
1687         type.
1688         (Target_arm::find_arm_input_section): Ditto.
1689         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1690         (Section_id): Remove.
1691         (Garbage_collection::Section_id_hash): Remove.
1692         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1693         (Section_id): Remove.
1694         (Icf::Section_id_hash): Remove.
1695         * object.h (Section_id, Const_section_id, Section_id_hash,
1696         Const_section_id_hash): New type definitions.
1697         * output.cc (Output_section::add_relaxed_input_section): Change to
1698         use Const_section_id instead of Input_section_specifier as key type.
1699         (Output_section::add_merge_input_section): Ditto.
1700         (Output_section::build_relaxation_map): Change to use Section_id
1701         instead of Input_section_specifier as key type.
1702         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1703         Ditto.
1704         (Output_section::convert_input_sections_to_relaxed_sections): Change
1705         to use Const_section_id instead of Input_section_specifier as key type.
1706         (Output_section::find_merge_section): Ditto.
1707         (Output_section::find_relaxed_input_section): Ditto.
1708         * output.h (Input_section_specifier): Remove class.
1709         (Output_section::Output_section_data_by_input_section_map): Change
1710         key type to Const_section_id.
1711         (Output_section::Output_relaxed_input_section_by_input_section_map):
1712         Ditto.
1713         (Output_section::Relaxation_map): Change key type to Section_id.
1714
1715 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1716
1717         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1718         (class Arm_v4bx_stub): New class.
1719         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1720         (Stub_factory::make_arm_v4bx_stub): New method.
1721         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1722         (Stub_table::empty): Handle v4bx stubs.
1723         (Stub_table::add_arm_v4bx_stub): New method.
1724         (Stub_table::find_arm_v4bx_stub): New method.
1725         (Arm_relocate_functions::v4bx): New method.
1726         (Target_arm::fix_v4bx): New method.
1727         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1728         (Stub_table::relocate_stubs): Likewise.
1729         (Stub_table::do_write): Likewise.
1730         (Stub_table::update_data_size_and_addralign): Likewise.
1731         (Stub_table::finalize_stubs):  Likewise.
1732         (Target_arm::Scan::local): Likewise.
1733         (Target_arm::Scan::global): Likewise.
1734         (Target_arm::do_finalize_sections): Likewise.
1735         (Target_arm::Relocate::relocate): Likewise.
1736         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1737         Likewise.
1738         (Target_arm::scan_reloc_for_stub): Likewise.
1739         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1740
1741 2010-01-19  Ian Lance Taylor  <iant@google.com>
1742
1743         * output.cc (Output_section_headers::do_sized_write): Write large
1744         segment count to sh_info field.
1745         (Output_file_header::do_sized_write): For large segment count,
1746         write PN_XNUM to e_phnum field.
1747
1748 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1749
1750         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1751         (Arm_relocate_functions::thm_jump8): New function.
1752         (Arm_relocate_functions::thm_jump11): New function.
1753         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1754         R_ARM_THM_JUMP11.
1755         (Target_arm::Scan::global): Likewise.
1756         (Target_arm::Relocate::relocate): Likewise.
1757         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1758         Likewise.
1759
1760 2010-01-14  Doug Kwan  <dougkwan@google.com>
1761
1762         * arm.cc (map, utility): Include headers.
1763         (Target_arm::apply_cortex_a8_workaround): New method.
1764         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1765         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1766         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1767         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1768         the --[no-]fix-cortex-a8 command line options.
1769         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1770         (Target_arm::relocate_stub): Use addend in instruction template.
1771         * options.h (DEFINE_bool): Set the user-set flag.
1772         (General_options): Add --[no-]-fix-cortex options.
1773         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1774         : Update fast look-up map after conversion.
1775
1776 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1777
1778         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1779         in the first pass of do_layout.
1780
1781 2010-01-13  Doug Kwan  <dougkwan@google.com>
1782
1783         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1784         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1785         apparent compiler problem of not folding static constant integral
1786         data members of elfcpp::Elf_sizes<32>.
1787
1788 2010-01-13  Doug Kwan  <dougkwan@google.com>
1789
1790         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1791         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1792         Arm_relobj::scan_section_for_cortex_a8_erratum,
1793         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1794         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1795         sections to scan for relocation stubs into a new method
1796         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1797         relocation and Cortex-A8 stub scanning.
1798         (Target_arm::do_relax): Force stubs to be after stubbed sections
1799         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1800         the beginning of a new relaxation pass.  Update a comment.
1801         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1802
1803 2010-01-12  Ian Lance Taylor  <iant@google.com>
1804
1805         * target-reloc.h (visibility_error): New inline function.
1806         (relocate_section): Call visibility_error.
1807         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1808         (MOSTLYCLEANFILES): Likewise.
1809         (protected_4_pic.o, protected_3.err): New targets.
1810         * testsuite/protected_4.cc: New file.
1811
1812 2010-01-12  Doug Kwan  <dougkwan@google.com>
1813
1814         * arm.cc (Cortex_a8_reloc): New class.
1815         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1816         and cortex_a8_relocs_info_.
1817         (Target_arm::fix_cortex_a8): New method definition.
1818         (Target_arm::Cortex_a8_relocs_info): New type.
1819         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1820         New data member declarations.
1821         (Target_arm::scan_reloc_for_stub): Record information about
1822         relocations for THUMB branches that might be exempted from the
1823         Cortex-A8 workaround.
1824         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1825         at the beginning of a relaxation pass.
1826
1827 2010-01-12  Doug Kwan  <dougkwan@google.com>
1828
1829         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1830         (Arm_relobj::Mapping_symbol_position,
1831          Arm_reloj::Mapping_symbol_position_less,
1832          Arm_relobj::Mapping_symbols_info): New types.
1833         (Target_arm::is_mapping_symbol_name): New method definition.
1834         (Arm_relobj::do_count_local_symbols): Save information about mapping
1835         symbols.
1836
1837 2010-01-11  Doug Kwan  <dougkwan@google.com>
1838
1839         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1840         Arm_relocate_functions::thumb32_branch_upper,
1841         Arm_relocate_functions::thumb32_branch_lower,
1842         Arm_relocate_functions::thumb32_cond_branch_offset,
1843         Arm_relocate_functions::thumb32_cond_branch_upper,
1844         Arm_relocate_functions::thumb32_cond_branch_lower,
1845         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1846         branch offset encoding.
1847         (Arm_relocate_functions::thumb_branch_common): Use new branch
1848         offset encoding methods to avoid code duplication.
1849         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1850         (Stub_addend_reader::operator()): Use new branch encoding method
1851         to avoid code duplication.
1852
1853 2010-01-11  Doug Kwan  <dougkwan@google.com>
1854
1855         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1856         (Target_arm::do_finalize_sections): Define special EXIDX section
1857         symbols only if referenced.
1858         * gc.h (Garbage_collection::add_reference): New method.
1859         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1860         code duplication.
1861
1862 2010-01-11  Ian Lance Taylor  <iant@google.com>
1863
1864         * script.cc (Version_script_info::build_expression_list_lookup):
1865         Change complaing about duplicate wildcard match from error to
1866         warning.
1867
1868         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1869         of 2009-12-30.
1870         (Version_script_info::Version_script_info): Initialize globs_,
1871         default_version_, default_is_global_, and exact_.  Don't
1872         initialize globals_ or locals_.
1873         (Version_script_info::build_lookup_tables): Build local symbols
1874         first.
1875         (Version_script_info::unquote): New function.
1876         (Version_script_info::add_exact_match): New function.
1877         (Version_script_info::build_expression_list_lookup): Remove lookup
1878         parameter.  Add is_global parameter.  Change all callers.  Handle
1879         wildcard pattern specially.  Unquote pattern.  Call
1880         add_exact_match.
1881         (Version_script_info::get_name_to_match): New function.
1882         (Version_script_info::get_symbol_version): New function.
1883         (Version_script_info::get_symbol_version_helper): Remove.
1884         (Version_script_info::check_unmatched_names): Call unquote.
1885         * script.h (class Version_script_info): Change get_symbol_version
1886         to be non-inline and add is_global parameter; change all callers.
1887         Rewrite symbol_is_local.  Update declarations.  Define struct
1888         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1889         Remove globals_ and locals_ members.  Add exact_, globs_,
1890         default_version_, is_global_.
1891         (Version_script_info::Glob): Remove pattern, add expression and
1892         is_global.  Update constructor.  Change all callers.
1893         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1894         default version.
1895         (Versions::symbol_section_contents): If a symbol is undefined, or
1896         defined in a dynamic object, set the version index to
1897         VER_NDX_LOCAL.
1898         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1899         symbol_is_local.
1900         (Symbol_table::add_from_pluginobj): Likewise.
1901         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1902
1903 2010-01-11  Doug Kwan  <dougkwan@google.com>
1904
1905         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1906         (incremental_dump_LDADD): Add linking option for libintl.
1907         * Makefile.in: Regenerate.
1908
1909 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1910
1911         PR gold/11144
1912         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1913         instead of -Ds.
1914         * testsuite/Makefile.in: Regenerated.
1915
1916 2010-01-10  Doug Kwan  <dougkwan@google.com>
1917
1918         * options.h (DEFINE_var): Use parentheses around argument varname__
1919         in macro body to avoid any unintended subsequent substitutions.
1920
1921 2010-01-10  Ian Lance Taylor  <iant@google.com>
1922
1923         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1924         candidates before doing symbol resolution.
1925
1926         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1927         ODR candidates if only one is weak.
1928
1929 2010-01-08  Ian Lance Taylor  <iant@google.com>
1930
1931         * script.cc (Version_script_info::build_expression_list_lookup):
1932         Don't warn about ambiguous version, just record the ambiguity.
1933         (Version_script_info::get_symbol_version_helper): Give error if
1934         version is ambiguous.
1935
1936 2010-01-08  Doug Kwan  <dougkwan@google.com>
1937
1938         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1939           prev_data_size_ and prev_addralign_.  Remove initializer for
1940           deleted data member has_been_changed_.
1941           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1942           to determine if the table is empty.
1943           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1944           Remove.
1945           (Stub_table::add_reloc_stub): Define method in class definition
1946           instead of just declaring it there.
1947           (Stub_table::add_cortex_a8_stub): New method definition.
1948           (Stub_table::update_data_size_and_addralign): Ditto.
1949           (Stub_table::finalize_stubs): Ditto.
1950           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1951           (Stub_table::do_addralign_): Return address alignment in the
1952           (Stub_table::do_reset_address_and_file_offset): Define method in
1953           class definition instead of declaring it there.  Set current data
1954           size to be the data size of the previous pass.
1955           (Stub_table::set_final_data_size): Use current data size as the
1956           final data size.
1957           (Stub_table::relocate_stub): Change parameter type of stub from
1958           Reloc_stub pointer to Stub pointer.
1959           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1960           (Stub_table::Cortex_a8_stub_list): New typedef.
1961           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1962            Stub_table::prev_addralign_): New data member.
1963           (Arm_relobj::Arm_relobj): Initialize data member
1964           section_has_cortex_a8_workaround_.
1965           (Arm_relobj::section_has_cortex_a8_workaround,
1966            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1967            definitions.
1968           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1969           declarations.
1970           (Target_arm::relocate_stub): Change parameter type of stub from
1971           Reloc_stub pointer to Stub pointer.
1972           (Insn_template::size, Insn_template::alignment): Handle
1973           THUMB16_SPECIAL_TYPE.
1974           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1975            Stub_table::update_data_size_and_addralign,
1976            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1977           definitions.
1978           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1979           (Stub_table::do_write): Ditto.
1980           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1981
1982 2010-01-08  Ian Lance Taylor  <iant@google.com>
1983
1984         PR 11108
1985         * symtab.h (class Symbol): Remove fields is_target_special_ and
1986         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1987         (Symbol::is_defined_in_discarded_section): New function.
1988         (Symbol::set_is_defined_in_discarded_section): New function.
1989         (Symbol::has_plt_offset): Rewrite.
1990         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1991         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1992         Don't initialize is_target_special_ or has_plt_offset_.
1993         Initialize is_defined_in_discarded_section_.
1994         (Symbol_table::add_from_relobj): If appropriate, set
1995         is_defined_in_discarded_section.
1996         * resolve.cc (Symbol::override_base_with_special): Don't test
1997         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1998         * target-reloc.h (relocate_section): Do special handling for
1999         symbols defined in discarded sections for global symbols as well
2000         as local symbols.
2001
2002 2010-01-08  Ian Lance Taylor  <iant@google.com>
2003
2004         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2005         the SHT_SYMTAB case.
2006
2007 2010-01-08  Ian Lance Taylor  <iant@google.com>
2008
2009         * object.cc (Sized_relobj::do_layout): Don't get confused if
2010         layout_eh_frame returns NULL.
2011
2012 2010-01-08  Ian Lance Taylor  <iant@google.com>
2013
2014         PR 11084
2015         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2016         dynamic symbol table, use the normal symbol table.
2017         (Sized_dynobj::do_read_symbols): Remove assertion about type of
2018         symbol table.
2019
2020 2010-01-08  Ian Lance Taylor  <iant@google.com>
2021
2022         PR 11072
2023         * layout.cc (Layout::include_section): Remove .gnu_debuglink
2024         sections.
2025
2026 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
2027
2028         * version.cc (print_version): Change to "Copyright 2010".
2029
2030 2010-01-08  Ian Lance Taylor  <iant@google.com>
2031
2032         PR 10287
2033         PR 11063
2034         * i386.cc (class Target_i386): Change return type of plt_section
2035         to be non-const.
2036         (class Output_data_plt_i386): Add tls_desc_rel_ field.
2037         (Output_data_plt_i386::Output_data_plt_i386): Initialize
2038         tls_desc_rel_ field.
2039         (Output_data_plt_i386::rel_tls_desc): New function.
2040         (Target_i386::rel_tls_desc_section): New function.
2041         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2042         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2043         R_386_TLS_DESC reloc in rel_tls_desc_section.
2044         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2045         Define struct Tlsdesc_info.
2046         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2047         (Target_x86_64::do_reloc_symbol_index): New function.
2048         (Target_x86_64::add_tlsdesc_info): New function.
2049         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2050         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2051         tlsdesc_rel_ field.
2052         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
2053         all callers.
2054         (Output_data_plt_x86_64::rela_tlsdesc): New function.
2055         (Target_x86_64::rela_tlsdesc_section): New function.
2056         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2057         handling.
2058         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2059         (Target_x86_64::do_reloc_addend): New function.
2060         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2061         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2062         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
2063         (Output_reloc::type): New function.
2064         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2065         (Output_reloc::is_target_specific): New function.
2066         (Output_reloc::target_arg): New function.
2067         (class Output_reloc) [SHT_RELA]: Add four new constructors for
2068         absolute relocs and target specific relocs.
2069         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2070         add_target_specific.
2071         (class Output_data_reloc) [SHT_RELA]: Likewise.
2072         * output.cc (Output_reloc::Output_reloc): Add four new versions
2073         for absolute relocs and target specific relocs.
2074         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2075         (Output_reloc::get_symbol_index): Likewise.
2076         (Output_reloc::local_section_offset): Check that local_sym_index_
2077         is not TARGET_CODE or 0.
2078         (Output_reloc::symbol_value): Likewise.
2079         (Output_reloc::write) [SHT_RELA]: Call target for target specific
2080         reloc.
2081         * target.h (class Target): Add reloc_symbol_index and reloc_addend
2082         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
2083         functions.
2084         * layout.cc (add_target_dynamic_tags): Use output section for
2085         DT_PLTRELSZ and DT_JMPREL.
2086
2087 2010-01-07  Ian Lance Taylor  <iant@google.com>
2088
2089         PR 11061
2090         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2091         function.
2092         (class Output_data_reloc_generic): Define.
2093         (class Output_data_reloc_base): Change base class to
2094         Output_data_reloc_generic.  Change add() method to call
2095         bump_relative_reloc_count for a relative reloc.  Remove
2096         sort_relocs_ field.
2097         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2098         to sort_relocs().
2099         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2100         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2101         appropriate.
2102         * layout.h (class Layout): Update declaration.
2103
2104 2010-01-07  Ian Lance Taylor  <iant@google.com>
2105
2106         * output.h (class Output_data): Add const version of
2107         output_section and do_output_section.
2108         (class Output_section_data): Add const version of
2109         do_output_section.
2110         (class Output_section): Likewise.
2111         * layout.cc (Layout::add_target_dynamic_tags): New function.
2112         * layout.h (class Layout): Update declarations.
2113         * arm.cc (Target_arm::do_finalize_sections): Use
2114         add_target_dynamic_tags.
2115         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2116         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2117         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2118         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2119
2120 2010-01-07  Ian Lance Taylor  <iant@google.com>
2121
2122         PR 11042
2123         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2124         object as needed.
2125
2126 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2127             Ian Lance Taylor  <iant@google.com>
2128
2129         PR 11019
2130         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2131         Xindex::read_symtab_xindex.
2132
2133 2010-01-07  Doug Kwan  <dougkwan@google.com>
2134
2135         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2136         (Insn_template::thumb16_bcond_insn): New method declaration.
2137         (Insn_template): Fix spelling.
2138         (Stub::thumb16_special): New method declaration.
2139         (Stub::do_write): Define virtual method which was previously pure
2140         virtual.
2141         (Stub::do_thumb16_special): New method declaration.
2142         (Stub::do_fixed_endian_write): New template member.
2143         (Reloc_stub::do_write): Remove.
2144         (Reloc_stub::do_fixed_endian_write): Remove.
2145         (Cortex_a8_stub): New class definition.
2146         (Stub_factory::make_cortex_a8_stub): New method definition.
2147         (Stub_factory::Stub_factory): Add missing static storage class
2148         qualifier for elf32_arm_stub_a8_veneer_blx.
2149
2150 2010-01-07  Ian Lance Taylor  <iant@google.com>
2151
2152         PR 10980
2153         * options.h (class General_options): Add --warn-unresolved-symbols
2154         and --error-unresolved-symbols.
2155         * errors.cc (Errors::undefined_symbol): Implement
2156         --warn-unresolved-symbols.
2157
2158         * options.h (class General_options): Add -z text and -z textoff.
2159         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2160
2161 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2162
2163         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2164         (Garbage_collection::cident_sections): New function.
2165         (Garbage_collection::add_cident_section): New function.
2166         (Garbage_collection::cident_sections_): New member.
2167         (gc_process_relocs): Add references to sections whose names are C
2168         identifiers.
2169         * gold.h (cident_section_start_prefix): New constant.
2170         (cident_section_stop_prefix): New constant.
2171         (is_cident): New function.
2172         * layout.cc (Layout::define_section_symbols): Replace string constants
2173         with the newly defined constants.
2174         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2175         C identifiers.
2176         * testsuite/Makefile.am: Add gc_orphan_section_test.
2177         * testsuite/Makefile.in: Regenerate.
2178         * testsuite/gc_orphan_section_test.cc: New file.
2179         * testsuite/gc_orphan_section_test.sh: New file.
2180
2181 2010-01-06  Ian Lance Taylor  <iant@google.com>
2182
2183         PR 10980
2184         * options.h (class General_options): Add --warn-shared-textrel.
2185         * layout.cc (Layout::finish_dynamic_section): Implement
2186         --warn-shared-textrel.
2187
2188         PR 10980
2189         * options.h (class General_options): Add --warn-multiple-gp.
2190
2191 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2192
2193         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2194         $(THREADSLIB) and $(LIBDL).
2195         * Makefile.in: Rebuild.
2196
2197 2010-01-06  Ian Lance Taylor  <iant@google.com>
2198
2199         PR 10980
2200         * options.cc (General_options::parse_section_start): New function.
2201         (General_options::section_start): New function.
2202         (General_options::General_options): Initialize all members.
2203         * options.h: Include <map>
2204         (class General_options): Add --section-start.  Add section_starts_
2205         member.
2206         * layout.cc (Layout::attach_allocated_section_to_segment): If
2207         --section-start was used, set the address of the segment.  Remove
2208         local sort_sections.
2209         (Layout::relaxation_loop_body): If the address of the load segment
2210         has been set by --section-start, don't use it.
2211         * output.h (Output_segment::update_flags_for_output_section): New
2212         function.
2213         * output.cc (Output_segment::add_output_section): Call
2214         update_flags_for_output_section.
2215
2216 2010-01-05  Ian Lance Taylor  <iant@google.com>
2217
2218         PR 10980
2219         * options.h (class General_options): Add --undefined-version.
2220         * script.cc (struct Version_expression): Add was_matched_by_symbol
2221         field.
2222         (Version_script_info::matched_symbol): New function.
2223         (Version_script_info::get_symbol_version_helper): Call
2224         matched_symbol.
2225         (Version_script_info::check_unmatched_names): New function.
2226         * script.h (class Version_script_info): Update declarations.
2227         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2228
2229         * options.h (class General_options): Use DEFINE_bool_alias for
2230         allow_multiple_definition.
2231         * resolve.cc (Symbol_table::should_override): Don't test
2232         allow_multiple_definition.
2233
2234         PR 10980
2235         * options.h (class General_options): Add --cref.
2236         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2237         until after printing cref table.
2238         * cref.cc: Include "symtab.h".
2239         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2240         (Cref_table_compare::operator()): New function.
2241         (Cref_inputs::gather_cref): New function.
2242         (filecol): New static const.
2243         (Cref_inputs::print_cref): New function.
2244         (Cref::print_cref): New function.
2245         * cref.h: Include <cstdio>.
2246         (class Cref): Update declarations.
2247         * mapfile.h (Mapfile::file): New function.
2248         * object.h (class Object): Define Symbols.  Declare virtual
2249         do_get_global_symbols.
2250         (Object::get_global_symbols): New function.
2251         * object.cc (Input_objects::add_object): Pass object to cref_ if
2252         --cref.
2253         (Input_objects::archive_start): Likewise.
2254         (Input_objects::archive_stop): Likewise.
2255         (Input_objects::print_cref): New function.
2256         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2257         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2258         --cref.
2259         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2260         function.
2261         * plugin.h (class Sized_pluginobj): Update declarations.
2262
2263 2010-01-05  Ian Lance Taylor  <iant@google.com>
2264
2265         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2266         to is_default_version.  Rename insdef to insdefault.
2267         (Symbol_table::add_from_relobj): Rename def to is_default_version
2268         and local to is_forced_local.
2269         (Symbol_table::add_from_pluginobj): Likewise.
2270         (Symbol_table::add_from_dynobj): Likewise.
2271         (Symbol_table::define_special_symbol): Rename insdef to
2272         insdefault.
2273
2274 2010-01-04  Ian Lance Taylor  <iant@google.com>
2275
2276         PR 10980
2277         * options.h (class General_options): Add
2278         --allow-multiple-definition and -z muldefs.
2279         * resolve.cc (Symbol_table::should_override): Don't warn about a
2280         multiple symbol definition if --allow-multiple-definition or -z
2281         muldefs.
2282
2283         PR 10980
2284         * options.h (class General_options): Add --add-needed and
2285         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2286         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2287         error if --copy-dt-needed-entries aka --add-needed is used and
2288         would cause a change in behaviour.
2289
2290         PR 10980
2291         * options.h (class General_options): Add -G as a short version of
2292         --shared.  Add no-op options -assert, -g, and -i.
2293
2294 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2295
2296         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2297         check for .text or .gnu.linkonce.t sections.
2298         * icf.cc (Icf::find_identical_sections): Ditto.
2299         Change the detection for mangled function name within the section
2300         name.
2301         * icf.h (is_section_foldable_candidate): New function.
2302
2303 2009-12-30  Ian Lance Taylor  <iant@google.com>
2304
2305         PR 10980
2306         * options.h (class General_options): Permit two dashes with
2307         --retain-symbols-file.
2308
2309 2009-12-30  Ian Lance Taylor  <iant@google.com>
2310
2311         PR 10979
2312         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2313         don't put the file header and segment headers in the text
2314         segment.
2315
2316         PR 10979
2317         * common.cc (Sort_commons::operator()): Stabilize sort when both
2318         entries are NULL.
2319         (Symbol_table::do_allocate_commons_list): When allocating common
2320         symbols, skip a symbol which is no longer common.
2321         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2322         an object before checking its type.
2323         * testsuite/common_test_2.c: New file.
2324         * testsuite/common_test_3.c: New file.
2325         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2326         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2327         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2328         (common_test_2_pic.o, common_test_2.so): New targets.
2329         (common_test_3_pic.o, common_test_3.so): New targets.
2330         * testsuite/Makefile.in: Rebuild.
2331
2332         PR 10979
2333         * script.cc (read_input_script): If we see a new SECTIONS clause,
2334         and we have added an input section, give an error.
2335         * layout.h (class Layout): Add have_added_input_section function.
2336         Add have_added_input_section_ field.
2337         * layout.cc (Layout::Layout): Initialize
2338         have_added_input_section_.
2339         (Layout::layout): Set have_added_input_section_.
2340         (Layout::layout_eh_frame): Likewise.
2341
2342 2009-12-30  Ian Lance Taylor  <iant@google.com>
2343
2344         PR 10931
2345         * options.h (class General_options): Add --sort-common option.
2346         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2347         * common.cc (Sort_common): Add sort_order parameter to
2348         constructor.  Add sort_order_ field.
2349         (Sort_commons::operator): Check sort_order_.
2350         (Symbol_table::allocate_commons): Determine the sort order.
2351         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2352         Change all callers.
2353         (Symbol_table::do_allocate_commons_list): Likewise.
2354
2355 2009-12-30  Ian Lance Taylor  <iant@google.com>
2356
2357         PR 10916
2358         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2359         symbols from this object, don't change the visibility of an
2360         undefined symbol.
2361         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2362
2363 2009-12-30  Ian Lance Taylor  <iant@google.com>
2364
2365         PR 10861
2366         * script.h (class Version_script_info): Define Language enum.
2367         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2368         new fields globals_, locals_, and is_finalized_.
2369         * script.cc: Various formatting fixes.
2370         (class Parser_closure): Change language_stack_ from a vector of
2371         std::string to one of Version_script_info::Language.  Adjust all
2372         uses accordingly.
2373         (class Lazy_demangler): Remove.
2374         (struct Version_expression): Change language from std::string to
2375         Version_script_info::Language.
2376         (Version_script_info::Version_script_info): New function.
2377         (Version_script_info::~Version_script_info): Don't call clear.
2378         (Version_script_info::finalize): New function.
2379         (Version_script_info::build_lookup_tables): New function.
2380         (Version_script_info::build_expression_list_lookup): New
2381         function.
2382         (Version_script_info::get_symbol_version_helper): Rewrite to use
2383         lookup tables.
2384         (Version_script_info::print_expression_list): Adjust to use
2385         Version_script_info::Language.
2386         (script_push_lex_into_version_mode): Check that the version script
2387         has not been finalized.
2388         (version_script_push_lang): Change language string to
2389         Version_script_info::Language.
2390         * options.cc (Command_line::version_script): New function.
2391         * options.h (class General_options): Add finalize_dynamic_list
2392         function.  Change version_script from declaration to definition.
2393         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2394         * testsuite/version_script.map: Remove duplicate def of foo.
2395         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2396         version_script.map.
2397         * testsuite/Makefile.in: Rebuild.
2398
2399 2009-12-30  Ian Lance Taylor  <iant@google.com>
2400
2401         PR 10843
2402         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2403         if the input symbol index is 0, make the output symbol index 0.
2404
2405 2009-12-30  Ian Lance Taylor  <iant@google.com>
2406
2407         PR 10670
2408         * options.h (class General_options): Add -x/--discard-all.
2409         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2410         --discard-all.  If the local symbol needs a dynamic entry, check
2411         that before handling --discard-locals.
2412
2413 2009-12-30  Ian Lance Taylor  <iant@google.com>
2414
2415         PR 10450
2416         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2417         flags to PF_R.
2418         (Output_segment::add_output_section): Don't change the flags if
2419         the type is PT_TLS.
2420
2421         PR 10450
2422         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2423         GNU hash table if they need a dynamic value.  Otherwise, don't add
2424         them if they are defined in a dynamic object or are forced local.
2425
2426 2009-12-29  Ian Lance Taylor  <iant@google.com>
2427
2428         PR 10450
2429         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2430         .gnu.hash table for a 32-bit target.
2431
2432         PR 10450
2433         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2434         regular and a dynamic object only needs a dynamic symbol table
2435         entry if it is externally visible.
2436
2437         PR 10450
2438         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2439         constructor.  Add global_offset_table_ field.
2440         (Target_i386::got_section): Set global_offset_table_.
2441         (Target_i386::do_finalize_sections): Set global_offset_table_
2442         size.
2443         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2444         in constructor.  Add global_offset_table_ field.
2445         (Target_x86_64::got_section): Set global_offset_table_.
2446         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2447         size.
2448
2449         * layout.cc (Layout::Layout): Initialize increase_relro_.
2450         (Layout::get_output_section): Add is_relro, is_last_relro, and
2451         is_first_non_relro parameters.  Change all callers.
2452         (Layout::choose_output_section): Likewise.
2453         (Layout::add_output_section_data): Likewise.
2454         (Layout::make_output_section): Likewise.
2455         (Layout::set_segment_offsets): Clear increase_relro when using a
2456         linker script.
2457         * layout.h (class Layout): Add increase_relro method.  Add
2458         increase_relro_ field.  Update declarations.
2459         * output.cc (Output_section::Output_section): Initialize
2460         is_last_relro_ and is_first_non_relro_.
2461         (Output_segment::add_output_section): Group relro sections is
2462         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2463         (Output_segment::maximum_alignment): Remove relro handling.
2464         (Output_segment::set_section_addresses): Add increase_relro
2465         parameter.  Change all callers.  Add initial alignment to align
2466         relro sections on separate page.  Remove old relro handling.
2467         (Output_segment::set_section_list_addresses): Remove in_relro
2468         parameter.  Change all callers.
2469         (Output_segment::set_offset): Add increase parameter.  Change all
2470         callers.  Remove old relro handling.
2471         * output.h (class Output_section): Add new methods: is_last_relro,
2472         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2473         Add is_last_relro_ and is_first_non_relro_ fields.
2474         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2475         Create separate .got.plt section.  Call increase_relro.
2476         * x86_64.cc (Target_x86_64::got_section): Likewise.
2477         * testsuite/relro_script_test.t: Add .got.plt.
2478
2479         PR 10450
2480         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2481         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2482         (Layout::finalize): Call set_dynamic_symbol_size.
2483         (Layout::set_dynamic_symbol_size): New function.
2484         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2485         set_dynamic_symbol_size.
2486
2487         PR 10450
2488         * output.h (class Output_section): Add is_entsize_zero_ field.
2489         * output.cc (Output_section::Output_section): Initialize
2490         is_entsize_zero_.
2491         (Output_section::set_entsize): If two different entsizes are
2492         requested, force it to zero.
2493         (Output_section::add_input_section): Set flags for .debug_str
2494         before updating section flags.  Set entsize.
2495         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2496         and SHF_STRING if all input sections have those flags.
2497
2498 2009-12-29   Rafael Espindola  <espindola@google.com>
2499
2500         * main.cc (main): Fix the sys time reporting.
2501         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2502         reporting.
2503
2504 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2505
2506         * options.cc (General_options::parse_version): Allow -v to exit
2507         without an error if there is nothing to link.
2508
2509 2009-12-29  Ian Lance Taylor  <iant@google.com>
2510
2511         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2512         using a version of gcc before 4.1.
2513         * configure: Rebuild.
2514
2515 2009-12-28  Chris Demetriou  <cgd@google.com>
2516
2517         * attributes.cc (Output_attributes_section_data::do_write): Use
2518         std::vector::front rather than std::vector::data.
2519
2520 2009-12-28  Ian Lance Taylor  <iant@google.com>
2521
2522         * symtab.h (class Symbol_table): Add enum Defined.
2523         * resolve.cc (Symbol_table::should_override): Add defined
2524         parameter.  Change all callers.  Test whether object is NULL
2525         before calling a method on it.
2526         (Symbol_table::report_resolve_problem): Add defined parameter.
2527         Change all callers.
2528         (Symbol_table::should_override_with_special): Likewise.
2529         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2530         parameter.  Change all callers.
2531         (Symbol_table::do_define_in_output_data): Likewise.
2532         (Symbol_table::define_in_output_segment): Likewise.
2533         (Symbol_table::do_define_in_output_segment): Likewise.
2534         (Symbol_table::define_as_constant): Likewise.
2535         (Symbol_table::do_define_as_constant): Likewise.
2536         * script.h (class Symbol_assignment): Add is_defsym parameter to
2537         constructor; change all callers.
2538         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2539         parameter.  Change all callers.  Add is_defsym_ field.
2540         (class Parser_closure): Add parsing_defsym parameter to
2541         constructor; change all callers.  Add parsing_defsym accessor
2542         function.  Add parsing_defsym_ field.
2543
2544 2009-12-28  Ian Lance Taylor  <iant@google.com>
2545
2546         * gold.cc (queue_middle_tasks): Fix formatting.
2547         * object.cc (Relobj::is_section_name_included): Likewise.
2548
2549 2009-12-23  Ian Lance Taylor  <iant@google.com>
2550
2551         * i386.cc (Target_i386::do_calls_non_split): Recognize
2552         -fsplit-stack prologue for a function with a static chain.
2553         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2554         -fsplit-stack prologue when using %r11.
2555
2556 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2557
2558         * options.cc (General_options::parse_version): Make -v continue and do
2559         the link like GNU ld does.
2560
2561 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2562
2563         * Makefile.am (CCFILES): Add timer.cc.
2564         (HFILES): Add timer.h.
2565         * configure.ac: Check for sysconf and times.
2566         * main.cc: include timer.h.
2567         (main): Use Timer instead of get_run_time.
2568         * timer.cc: New.
2569         * timer.h: New.
2570         * workqueue.cc: include timer.h.
2571         (Workqueue::find_and_run_task):
2572         Report user, sys and wall time.
2573         * Makefile.in: Regenerate.
2574         * config.in: Regenerate.
2575         * configure: Regenerate.
2576
2577 2009-12-16  Doug Kwan  <dougkwan@google.com>
2578
2579         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2580         sections.
2581         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2582         relaxed input sections.
2583         * output.cc (Output_section::find_relaxed_input_section): Change
2584         return type to Output_relaxed_input_section pointer.  Adjust code
2585         for new type of relaxed_input_section_map_.
2586         * output.h (Output_section::find_relaxed_input_section): Change
2587         return type to Output_relaxed_input_section pointer.
2588         (Output_section::Output_relaxed_input_section_by_input_section_map):
2589         New type.
2590         (Output_section::relaxed_input_section_map_): Change type to
2591         Output_section::Output_relaxed_input_section_by_input_section_map.
2592         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2593         input section.
2594
2595 2009-12-15  Ian Lance Taylor  <iant@google.com>
2596
2597         * layout.cc (Layout::create_shstrtab): Only write out after input
2598         sections if we are compressing debug sections.
2599
2600 2009-12-15  Ian Lance Taylor  <iant@google.com>
2601
2602         * archive.cc (Archive::add_symbols): Only look up a symbol without
2603         a version if there is, in fact, a version.
2604
2605 2009-12-14  Ian Lance Taylor  <iant@google.com>
2606
2607         Revert -Wshadow changes, all changes from:
2608         2009-12-11  Doug Kwan  <dougkwan@google.com>
2609         2009-12-11  Nick Clifton  <nickc@redhat.com>
2610         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2611
2612 2009-12-11  Doug Kwan  <dougkwan@google.com>
2613
2614         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2615         due to -Wshadow.
2616         * attributes.cc (Object_attribute::size): Ditto.
2617         (Attributes_section_data::size): Ditto.
2618         (Attributes_section_data::Attributes_section_data): Ditto.
2619         (Output_attributes_section_data::do_write): Ditto.
2620         * attributes.h (Object_attribute::set_type): Ditto.
2621         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2622
2623 2009-12-11  Nick Clifton  <nickc@redhat.com>
2624
2625         * archive.cc: Fix shadowed variable warnings.
2626         * arm.cc: Likewise.
2627         * compressed_output.cc: Likewise.
2628         * compressed_output.h: Likewise.
2629         * configure: Likewise.
2630         * dwarf_reader.cc: Likewise.
2631         * dynobj.cc: Likewise.
2632         * dynobj.h: Likewise.
2633         * ehframe.cc: Likewise.
2634         * ehframe.h: Likewise.
2635         * errors.cc: Likewise.
2636         * expression.cc: Likewise.
2637         * fileread.cc: Likewise.
2638         * fileread.h: Likewise.
2639         * freebsd.h: Likewise.
2640         * i386.cc: Likewise.
2641         * icf.cc: Likewise.
2642         * incremental.h: Likewise.
2643         * layout.cc: Likewise.
2644         * layout.h: Likewise.
2645         * mapfile.cc: Likewise.
2646         * merge.cc: Likewise.
2647         * merge.h: Likewise.
2648         * object.cc: Likewise.
2649         * object.h: Likewise.
2650         * options.h: Likewise.
2651         * output.cc: Likewise.
2652         * output.h: Likewise.
2653         * parameters.cc: Likewise.
2654         * plugin.cc: Likewise.
2655         * powerpc.cc: Likewise.
2656         * reduced_debug_output.cc: Likewise.
2657         * reduced_debug_output.h: Likewise.
2658         * reloc.cc: Likewise.
2659         * reloc.h: Likewise.
2660         * resolve.cc: Likewise.
2661         * script-sections.cc: Likewise.
2662         * script.cc: Likewise.
2663         * script.h: Likewise.
2664         * sparc.cc: Likewise.
2665         * symtab.cc: Likewise.
2666         * symtab.h: Likewise.
2667         * target-select.cc: Likewise.
2668         * target-select.h: Likewise.
2669         * token.h: Likewise.
2670         * workqueue.cc: Likewise.
2671         * workqueue.h: Likewise.
2672         * x86_64.cc: Likewise.
2673
2674 2009-12-10  Doug Kwan  <dougkwan@google.com>
2675
2676         * arm.cc (attributes.h): New include.
2677         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2678         (Arm_relobj::~Arm_relobj): Delete object pointed by
2679         attributes_section_data_.
2680         (Arm_relobj::attributes_section_data): New method definition.
2681         (Arm_relobj::attributes_section_data_): New data member declaration.
2682         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2683         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2684         attributes_section_data_.
2685         (Arm_dynobj::attributes_section_data): New method definition.
2686         (Arm_dynobj::attributes_section_data_): New data member declaration.
2687         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2688         initialization value of may_use_blx_ to false.
2689         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2690         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2691         object attributes to compute results instead of hard-coding.
2692         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2693         Target_arm::get_secondary_compatible_arch,
2694         Target_arm::set_secondary_compatible_arch
2695         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2696         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2697         New method declarations.
2698         (Target_arm::get_aeabi_object_attribute): New method definition.
2699         (Target_arm::attributes_section_data_): New data member declaration.
2700         (read_arm_attributes_section): New template definition.
2701         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2702         (Arm_dynobj::do_read_symbols): Ditto.
2703         (Target_arm::do_finalize_sections): Merge attributes sections from
2704         input.  Check for BLX use after attributes section merging.
2705         Fix __exidx_start and __exidx_end visibility.  Create an
2706         .ARM.attributes section if necessary.
2707         (Target_arm::get_secondary_compatible_arch,
2708         Target_arm::set_secondary_compatible_arch,
2709         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2710         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2711         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
2712         New method definitions.
2713
2714 2009-12-09  Ian Lance Taylor  <iant@google.com>
2715
2716         * plugin.cc (Plugin::load): Don't cast from void* to a function
2717         pointer.
2718
2719 2009-12-09  Ian Lance Taylor  <iant@google.com>
2720
2721         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2722         information fields.
2723
2724 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2725
2726         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2727         Replace two_file_shared_1.so with two_file_shared_2.so.
2728         * testsuite/Makefile.in: Regenerated.
2729
2730 2009-12-08  Doug Kwan  <dougkwan@google.com>
2731
2732         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2733         (HFILES): Add attributes.h and int_encoding.h.
2734         * Makefile.in: Regenerate.
2735         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2736         function definitions to int_encoding.cc
2737         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2738         prototypes to int_encoding.h
2739         * reduced_debug_output.cc (int_encoding.h): New include.
2740         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2741         function definitions to int_encoding.cc
2742         (insert_into_vector, read_from_pointer): Move template definitions to
2743         int_encoding.h
2744         * attributes.cc: New file.
2745         * attributes.h: New file.
2746         * int_encoding.cc: New file.
2747         * int_encoding.h: New file.
2748
2749 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2750
2751         PR gold/11055
2752         * incremental-dump.cc (dump_incremental_inputs): New.
2753         (main): Use dump_incremental_inputs.
2754
2755 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2756
2757         PR gold/10893
2758         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2759         checking elfcpp::STT_FUNC.
2760         (Target_i386::Relocate::relocate): Likewise.
2761         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2762
2763         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2764         symbols from shared libraries into normal FUNC symbols.
2765
2766         * symtab.h (Symbol): Add is_func and use it.
2767
2768 2009-12-05  Doug Kwan  <dougkwan@google.com>
2769
2770         * arm.cc (Target_arm::arm_info): Initialize new fields
2771         attributes_section and attributes_vendor.
2772         * i386.cc (Target_i386::i386_info): Same.
2773         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2774         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2775         fields attributes_section and attributes_vendor.
2776         * sparc.cc (Target_sparc::sparc_info): Same.
2777         * target.h (Target::attributes_section, Target::attributes_vendor,
2778         Target::is_attributes_section, Target::attribute_arg_type,
2779         Target::attributes_order): New method definitions.
2780         (Target::Target_info::attributes_section,
2781         Target::Target_info::attributes_vendor): New fields.
2782         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2783         virtual method definitions.
2784         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2785         attributes_section and attributes_vendor.
2786         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2787
2788 2009-12-05  Doug Kwan  <dougkwan@google.com>
2789
2790         * arm.cc: Update comments about interworking and stub generation.
2791         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2792         considered as non-PIC.
2793         (Arm_relocate_functions::base_abs): Fix formatting.
2794         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2795         of function to use GOT entry address instead of offset.
2796         (Target_arm::Scan::global): Issue an error if a symbol would need a
2797         PLT does not get one because it is untyped.  Remove code to create
2798         dynamic symbols for relative branches.
2799         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2800         takes unsigned integer instead of boolean.
2801
2802 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2803
2804         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2805         (two_file_test_LDADD): Likewise.
2806         (common_test_1_LDADD): Likewise.
2807         (exception_test_LDADD) Likewise.
2808         (weak_test_LDADD): Likewise.
2809         (many_sections_test_LDADD): Likewise.
2810         (initpri1_LDADD): Likewise.
2811         (script_test_1_LDADD): Likewise.
2812         (script_test_2_LDADD): Likewise.
2813         (justsyms_LDADD): Likewise.
2814         (binary_test_LDADD): Likewise.
2815         (large_LDADD): Likewise.
2816         * testsuite/Makefile.in: Regenerated.
2817
2818 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2819
2820         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2821         (Symbol_table::override_with_special): Likewise.
2822         (Symbol_table::add_from_object): Likewise.
2823
2824 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2825
2826         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2827         Don't set the data_offset twice.
2828
2829 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2830
2831         * testsuite/Makefile.in: Regenerate.
2832
2833 2009-12-03  Doug Kwan  <dougkwan@google.com>
2834
2835         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2836         (Target_arm::do_finalize_sections): Add parameter for symbol table
2837         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2838         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2839         parameter for symbol table pointer.
2840         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2841         an additional parameter for a pointer to symbol table.
2842         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2843         parameter for a symbol table pointer.
2844         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2845         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2846         Ditto.
2847         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2848         parameter for a symbol table pointer.
2849
2850 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2851
2852         * incremental.cc (Incremental_inputs_header)
2853         (Incremental_inputs_header_write, Incremental_inputs_entry)
2854         (Incremental_inputs_entry_write): Move ...
2855         * incremental.h (Incremental_inputs_header)
2856         (Incremental_inputs_header_write, Incremental_inputs_entry)
2857         (Incremental_inputs_entry_write): here.
2858
2859 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2860
2861         * incremental.cc (make_sized_incremental_binary): Set the target.
2862         Error if it is incompatible.
2863         * output.h (Output_file): Add filename method.
2864
2865 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2866
2867         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2868         from the get_* methods.
2869
2870 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2871
2872         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2873         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2874         Write 0 for the data_offset of scripts.
2875
2876 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2877
2878         * testsuite/Makefile.am: Add the incremental_test.sh test.
2879         * testsuite/incremental_test.sh: New.
2880         * testsuite/incremental_test_1.c: New.
2881         * testsuite/incremental_test_2.c: New.
2882
2883 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2884
2885        * incremental-dump.cc (main): Fix typos.
2886
2887 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2888
2889         PR gold/11025
2890         * incremental-dump.cc (main): Use llu to print 64 bit values.
2891
2892 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2893             H.J. Lu  <hongjiu.lu@intel.com>
2894
2895         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2896         $(LIBDL).
2897         (incremental_dump_LDADD): Likewise.
2898         * Makefile.in: Regenerated.
2899
2900 2009-11-25  Doug Kwan  <dougkwan@google.com>
2901
2902         Revert:
2903
2904         2009-11-25  Doug Kwan  <dougkwan@google.com>
2905
2906                 * arm.cc (Target_arm::Target_arm): Move method definition
2907                 outside of class definition.  Add code to handle
2908                 --target1-rel, --target1-abs and --target2= options.
2909                 (Target_arm::get_reloc_reloc_type): Change method to be
2910                 non-static and const.
2911                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2912                 New data member declaration.
2913                 (Target_arm::Scan::local, Target_arm::Scan::global,
2914                 Target_arm::Relocate::relocate,
2915                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2916                 Adjust call to Target_arm::get_real_reloc_type.
2917                 (Target_arm::get_real_reloc_type): Use command line options
2918                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2919                 * options.h (--target1-rel, --target1-abs, --target2): New
2920                 ARM-only options.
2921
2922 2009-11-25  Doug Kwan  <dougkwan@google.com>
2923
2924         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2925         class definition.  Add code to handle --target1-rel, --target1-abs
2926         and --target2= options.
2927         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2928         and const.
2929         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2930         member declaration.
2931         (Target_arm::Scan::local, Target_arm::Scan::global,
2932         Target_arm::Relocate::relocate,
2933         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2934         call to Target_arm::get_real_reloc_type.
2935         (Target_arm::get_real_reloc_type): Use command line options to
2936         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2937         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2938         options.
2939
2940 2009-11-25  Doug Kwan  <dougkwan@google.com>
2941
2942         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2943         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2944         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2945         formatting.
2946         (Arm_relocate_functions::thm_call): Replace body with a call to
2947         Arm_relocate_functions::thumb_branch_common.
2948         (Arm_relocate_functions::thm_jump24,
2949         Arm_relocate_functions::thm_xpc22): New method definitions.
2950         (Arm_relocate_functions::thumb_branch_common): New method definition.
2951         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2952         operator.
2953         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2954         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2955
2956 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2957
2958         * Makefile.am: Build incremental-dump
2959         * Makefile.in: Regenerate.
2960         * incremental-dump.cc: New.
2961         * incremental.cc (Incremental_inputs_header_data,
2962         Incremental_inputs_entry_data): Move to incremental.h
2963         * incremental.h: (Incremental_inputs_header_data,
2964         Incremental_inputs_entry_data): Move from incremental.cc
2965
2966 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2967
2968         * incremental.cc (Incremental_inputs_header,
2969         Incremental_inputs_header_write, Incremental_inputs_entry,
2970         Incremental_inputs_entry_write): Add a typedef with the data type.
2971
2972 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2973
2974         * incremental.cc (Incremental_inputs_header,
2975         Incremental_inputs_header_write, Incremental_inputs_entry,
2976         Incremental_inputs_entry_write): Update comment about which
2977         type has the filed descriptions.
2978
2979 2009-11-15  Doug Kwan  <dougkwan@google.com>
2980
2981         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2982         (Arm_relocate_functions::arm_branch_common): Change method defintion
2983         in class definition to a method declaration and update list of formal
2984         parameters.
2985         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2986         Arm_relocation_functions::jump24): Adjust call to
2987         Arm_relocate_functions::arm_branch_common.  Update list of formal
2988         parameters.
2989         (Arm_relocate_functions::xpc25): New method definition.
2990         (Arm_relocate_functions::arm_branch_common): Move method defintion
2991         out from class definition.  Use stubs for mode-switching and extending
2992         branch ranges.
2993         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2994         specially.  Change code to enable use of stubs in ARM branches.
2995
2996 2009-11-10  Doug Kwan  <dougkwan@google.com>
2997
2998         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2999         in method declaration.
3000         (Target_arm::relocate_stub): New method declaration.
3001         (Target_arm::default_target): Change to return a pointer instead of
3002         a const reference.
3003         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
3004         Target_arm::default_target.
3005         (Arm_Relobj::do_relocate_sections): Remove options paramater in
3006         method definition.
3007         (Target_arm::relocate_section): Adjust view.
3008         (Target_arm::relocate_stub): New method definition.
3009
3010 2009-11-10  Doug Kwan  <dougkwan@google.com>
3011
3012         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3013         a format warning.
3014         * incremental.cc (open_incremental_binary): Initialized local
3015         variables to avoid warnings.
3016         * object.cc (make_elf_object): Ditto.
3017         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3018         a format warning.
3019
3020 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
3021
3022         PR gold/10930
3023         * testsuite/plugin_test.c: Include "config.h".
3024
3025 2009-11-09  Doug Kwan  <dougkwan@google.com>
3026
3027         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3028         (arm_symbol_value): Remove.
3029         (Arm_relocate_functions::arm_branch_common,
3030         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3031         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3032         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3033         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3034         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3035         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3036         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3037         Arm_relocate_functions::thm_mobw_abs_nc,
3038         Arm_relocate_functions::thm_mov_abs,
3039         Arm_relocate_functions::movw_prel_nc,
3040         Arm_relocate_functions::thm_movt_abs,
3041         Arm_relocate_functions::movt_prel,
3042         Arm_relocate_functions::thm_movw_prel_nc,
3043         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3044         (Target_arm::Relocate::relocate): Only decompose address into two
3045         parts if relocation type uses the thumb-bit and pass the actual
3046         bit instead of a flag indicating that the thumb-bit is used.  Adjust
3047         calls to methods in Arm_relocate_functions for this change.
3048
3049 2009-11-08  Ian Lance Taylor  <iant@google.com>
3050
3051         PR 10925
3052         * reloc.cc: Instantiate
3053         Sized_relobj::initialize_input_to_output_maps and
3054         Sized_relobj:free_input_to_output_maps.
3055
3056 2009-11-06  Ian Lance Taylor  <iant@google.com>
3057
3058         PR 10876
3059         * defstd.cc (in_segment): Set only_if_ref true for "end".
3060
3061 2009-11-06  Doug Kwan  <dougkwan@google.com>
3062
3063         * arm.cc (class Reloc_stub): Correct a comment.
3064         (Target_arm::Target_arm): Initialize arm_input_section_map_.
3065         (Target_arm::scan_section_for_stubs): New method declaration.
3066         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3067         Change methods from private to protected.
3068         (Target_arm::do_may_relax): New method definition.
3069         (Target_arm::do_relax, Target_arm::group_sections,
3070         Target_arm::scan_reloc_for_stub,
3071         Target_arm::scan_reloc_section_for_stubs): New method declarations.
3072         (Target_arm::arm_input_section_map_): New data member declaration.
3073         (Target_arm::scan_reloc_for_stub,
3074         Target_arm::scan_reloc_section_for_stubs,
3075         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3076         Target_arm::do_relax): New method definitions.
3077
3078 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
3079
3080         * configure.ac: Check for (struct stat)::st_mtim
3081         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3082         * config.in: Regenerate.
3083         * configure: Regenerate.
3084
3085 2009-11-05  Ian Lance Taylor  <iant@google.com>
3086
3087         PR 10910
3088         * output.cc (Output_segment::add_output_section): Add missing
3089         return statement.
3090
3091 2009-11-04  Ian Lance Taylor  <iant@google.com>
3092
3093         PR 10880
3094         * object.h (class Object): Add is_needed and set_is_needed
3095         methods.  Add is_needed_ field.  Make bool fields into bitfields.
3096         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3097         defined in a dynamic object and referenced by a regular object,
3098         set is_needed for the dynamic object.
3099         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3100         if the file is marked with as_needed and it is not needed.
3101
3102 2009-11-04  Ian Lance Taylor  <iant@google.com>
3103
3104         PR 10887
3105         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3106         tags if data is discarded by linker script.
3107         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3108         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3109         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3110         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3111
3112 2009-11-04  Ian Lance Taylor  <iant@google.com>
3113
3114         * layout.cc (Layout::get_output_section): Add is_interp and
3115         is_dynamic_linker_section parameters.  Change all callers.
3116         (Layout::choose_output_section): Likewise.
3117         (Layout::make_output_section): Likewise.
3118         (Layout::add_output_section_data): Add is_dynamic_linker_section
3119         parameter.  Change all callers.
3120         * layout.h (class Layout): Update declarations.
3121         * output.h (class Output_section): Add is_interp, set_is_interp,
3122         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3123         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3124         generate_code_fills_at_write_ to a bitfield.
3125         * output.cc (Output_section::Output_sections): Initialize new
3126         fields.
3127         (Output_segment::add_output_section): Add do_sort parameter.
3128         Change all callers.
3129
3130 2009-11-03  Ian Lance Taylor  <iant@google.com>
3131
3132         PR 10860
3133         * options.h (class General_options): Add --warn-common.
3134         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3135         merging two common symbols.
3136         (Symbol_table::should_override): Handle --warn-common when merging
3137         a common symbol with a defined symbol.  Use report_resolve_problem
3138         for multiple definitions.
3139         (Symbol_table::report_resolve_problem): New function.
3140         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3141
3142 2009-11-03  Doug Kwan  <dougkwan@google.com>
3143
3144         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3145         stub_factory_.
3146         (Target_arm::stub_factory): New method definition.
3147         (Target_arm::new_arm_input_section,
3148         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3149         Target_arm::reloc_uses_thumb_bit): New method declarations.
3150         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
3151         New type definitions.
3152         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3153         member declarations.
3154         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3155         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3156         New method definitions.
3157
3158 2009-11-03  Ian Lance Taylor  <iant@google.com>
3159
3160         * options.h (class General_options): Add --warn_constructors.
3161
3162 2009-11-03  Ian Lance Taylor  <iant@google.com>
3163
3164         PR 10893
3165         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3166         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3167
3168 2009-11-03  Ian Lance Taylor  <iant@google.com>
3169
3170         PR 10895
3171         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3172         --msgid-bugs-address.
3173         (install-pdf): New target.
3174         (install-data_yes): Look up one directory to find mkinstalldirs.
3175
3176 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3177
3178         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3179         tree.
3180
3181 2009-10-30  Doug Kwan  <dougkwan@google.com>
3182
3183         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3184
3185 2009-10-30  Doug Kwan  <dougkwan@google.com>
3186
3187         * arm.cc (Stub_addend_reader): New struct template definition
3188         and partial specializations.
3189         (Stub_addend_reader::operator()): New method definition for a
3190         partially specialized template.
3191
3192 2009-10-30  Doug Kwan  <dougkwan@google.com>
3193
3194         * arm.cc (Arm_relobj::processor_specific_flags): New method
3195         definition.
3196         (Arm_relobj::do_read_symbols): New method declaration.
3197         (Arm_relobj::processor_specific_flags_): New data member declaration.
3198         (Arm_dynobj): New class definition.
3199         (Target_arm::do_finalize_sections): Add input_objects parameter.
3200         (Target_arm::do_adjust_elf_header): New method declaration.
3201         (Target_arm::are_eabi_versions_compatible,
3202         (Target_arm::merge_processor_specific_flags): New method declaration.
3203         (Target_arm::do_make_elf_object): New overloaded method definitions
3204         and declaration.
3205         (Arm_relobj::do_read_symbols): New method definition.
3206         (Arm_dynobj::do_read_symbols): Ditto.
3207         (Target_arm::do_finalize_sections): Add input_objects parameters.
3208         Merge processor-specific flags from all input objects.
3209         (Target_arm::are_eabi_versions_compatible,
3210         Target_arm::merge_processor_specific_flags,
3211         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3212         New method definitions.
3213         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3214         Input_objects pointer type parameter.
3215         * layout.cc (Layout::finalize): Pass input objects to target's.
3216         finalize_sections function.
3217         * output.cc (Output_file_header::do_sized_write): Set ELF file
3218         header's processor-specific flags.
3219         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3220         Input_objects pointer type parameter.
3221         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3222         * target.h (Input_objects): New forward class declaration.
3223         (Target::processor_specific_flags,
3224         Target::are_processor_specific_flags_sect): New method definitions.
3225         (Target::finalize_sections): Add input_objects parameter.
3226         (Target::Target): Initialize processor_specific_flags_ and
3227         are_processor_specific_flags_set_.
3228         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3229         parameter.
3230         (Target::set_processor_specific_flags): New method definition.
3231         (Target::processor_specific_flags_,
3232         Target::are_processor_specific_flags_set_): New data member
3233         declarations.
3234         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3235         Input_objects pointer type parameter.
3236
3237 2009-10-30  Doug Kwan  <dougkwan@google.com>
3238
3239         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3240
3241 2009-10-28  Ian Lance Taylor  <iant@google.com>
3242
3243         * object.h (class Relobj): Drop options parameter from
3244         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3245         do_scan_relocs, do_relocate.  Change all callers.
3246         (class Sized_relobj): Drop options parameters from
3247         do_gc_process_relocs, do_scan_relocs, do_relocate,
3248         do_relocate_sections, relocate_sections, emit_relocs_scan,
3249         emit_relocs_scan_reltype.  Change all callers.
3250         (struct Relocate_info): Remove options field and all references to
3251         it.
3252         * reloc.h (class Read_relocs): Remove options constructor
3253         parameter and options_ field.  Change all callers.
3254         (class Gc_process_relocs, class Scan_relocs): Likewise.
3255         (class Relocate_task): Likewise.
3256         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3257         all callers.
3258         (scan_relocatable_relocs): Likewise.
3259         * target.h (class Sized_target): Remove options parameter from
3260         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3261         all callers.
3262         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3263         callers.
3264         * arm.cc: Update functions to remove options parameters.
3265         * i386.cc: Likewise.
3266         * powerpc.cc: Likewise.
3267         * sparc.cc: Likewise.
3268         * x86_64.cc: Likewise.
3269         * testsuite/testfile.cc: Likewise.
3270
3271 2009-10-28  Doug Kwan  <dougkwan@google.com>
3272
3273         * arm.cc (Arm_relobj): New class definition.
3274         (Arm_relobj::scan_sections_for_stubs,
3275         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3276         New method definitions.
3277
3278 2009-10-28  Cary Coutant  <ccoutant@google.com>
3279
3280         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3281         (Plugin::cleanup_done_): New member.
3282         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3283         (Plugin_manager::cleanup_done_): Remove.
3284         (Plugin_manager::add_input_file): Edit error message.
3285         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3286         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3287
3288 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3289
3290         * fileread.cc: (File_read::View::~View): Use the new
3291         data_ownership_ filed.
3292         (File_read::~File_read): Dispose the new whole_file_view_.
3293         (File_read::open): Mmap the whole file if needed.
3294         (File_read::open): Use whole_file_view_ instead of contents_.
3295         (File_read::find_view): Use whole_file_view_ if applicable.
3296         (File_read::do_read): Use whole_file_view_ instead of contents_.
3297         (File_read::make_view): Use whole_file_view_ instead of contents_,
3298         update File_read::View::View call.
3299         (File_read::find_or_make_view): Update File_read::View::View
3300         call.
3301         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3302         remove contents_
3303         (File_read::View::Data_ownership): New enum.
3304         (File_read::View::View): Replace bool mapped_ with Data_ownership
3305         argument.
3306         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3307         (File_read::View::data_ownership_): New field.
3308         (File_read::contents_): Remove (replaced by whole_file_view_).
3309         (File_read::whole_file_view_): New field.
3310         * options.h (class General_options): Add --keep-files-mapped.
3311
3312 2009-10-27  Cary Coutant  <ccoutant@google.com>
3313
3314         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3315         * testsuite/Makefile.am (plugin_test_5): New test case.
3316         * testsuite/Makefile.in: Regenerate.
3317
3318 2009-10-25  Doug Kwan  <dougkwan@google.com>
3319
3320         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3321         from private to protected to allow access by child class.
3322         (Sized_relobj::do_relocate_sections): New method declaration.
3323         (Sized_relobj::relocate_sections): Virtualize.
3324         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
3325         Sized_relobj::relocate_sections.  Instantiate template explicitly
3326         for different target sizes and endianity.
3327
3328 2009-10-24  Doug Kwan  <dougkwan@google.com>
3329
3330         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3331         (Arm_input_section::as_arm_input_section): New method.
3332         (Arm_output_section): New class definition.
3333         (Arm_output_section::create_stub_group,
3334         Arm_output_section::group_sections): New method definitions.
3335
3336 2009-10-22  Doug Kwan  <dougkwan@google.com>
3337
3338         * arm.cc (Arm_input_section): New class definition.
3339         (Arm_input_section::init, Arm_input_section:do_write,
3340         Arm_input_section::set_final_data_size,
3341         Arm_input_section::do_reset_address_and_file_offset): New method
3342         definitions.
3343
3344 2009-10-21  Doug Kwan  <dougkwan@google.com>
3345
3346         * arm.cc (Stub_table, Arm_input_section): New forward class
3347         declarations.
3348         (Stub_table): New class defintion.
3349         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3350         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3351         New method definition.
3352
3353 2009-10-21  Doug Kwan  <dougkwan@google.com>
3354
3355         * arm.cc: Update copyright comments.
3356         (Target_arm): New forward class template declaration.
3357         (Arm_address): New type.
3358         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3359         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3360         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3361         constants.
3362         (Insn_template): Same.
3363         (DEF_STUBS): New macro.
3364         (Stub_type): New enum type.
3365         (Stub_template): New class definition.
3366         (Stub): Same.
3367         (Reloc_stub): Same.
3368         (Stub_factory): Same.
3369         (Target_arm::Target_arm): Initialize may_use_blx_ and
3370         should_force_pic_veneer_.
3371         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3372         Target_arm::should_force_pic_veneer,
3373         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3374         Target_arm::using_thumb_only, Target_arm:;default_target): New
3375         method defintions.
3376         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3377         New data member declarations.
3378         (Insn_template::size, Insn_template::alignment): New method defintions.
3379         (Stub_template::Stub_template): New method definition.
3380         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3381         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3382         (Stub_factory::Stub_factory): New method definition.
3383         * gold.h (string_hash): New template.
3384         * output.h (Input_section_specifier::hash_value): Use
3385         gold::string_hash.
3386         (Input_section_specifier::string_hash): Remove.
3387         * stringpool.cc (Stringpool_template::string_hash): Use
3388         gold::string_hash.
3389
3390 2009-10-20  Doug Kwan  <dougkwan@google.com>
3391
3392         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3393         symbols of relaxed input sections.
3394         * output.h (Output_section::find_relaxed_input_section): Make
3395         method public.
3396
3397 2009-10-16  Doug Kwan  <dougkwan@google.com>
3398
3399         * dynobj.cc (Versions::Versions): Initialize version_script_.
3400         Only insert base version symbol definition for a shared object
3401         if version script defines any version versions.
3402         (Versions::define_base_version): New method definition.
3403         (Versions::add_def): Check that base version is not needed.
3404         (Versions::add_need): Define base version lazily.
3405         * dynobj.h (Versions::define_base_version): New method declaration.
3406         (Versions::needs_base_version_): New data member declaration.
3407         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3408         (check_DATA): Add no_version_test.stdout.
3409         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3410         New make rules.
3411         * testsuite/Makefile.in: Regenerate.
3412         * testsuite/no_version_test.c: New file.
3413         * testsuite/no_version_test.sh: Ditto.
3414
3415 2009-10-16  Doug Kwan  <dougkwan@google.com>
3416
3417         * expression.cc (class Segment_start_expression): New class definition.
3418         (Segment_start_expression::value): New method definition.
3419         (script_exp_function_segment_start): Return a new
3420         Segment_start_expression.
3421         * gold/script-c.h (script_saw_segment_start_expression): New function
3422         prototype.
3423         * script-sections.cc (Script_sections::Script_sections): Initialize
3424         SAW_SEGMENT_START_EXPRESSION_ to false.
3425         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3426         and -Tbbs options to specify section addresses if given in
3427         command line and no SEGMENT_START expression is seen in a script.
3428         * script-sections.h (Script_sections::saw_segment_start_expression,
3429         Script_sections::set_saw_segment_start_expression): New method
3430         definition.
3431         (Script_sections::saw_segment_start_expression_): New data member
3432         declaration.
3433         * script.cc (script_saw_segment_start_expression): New function.
3434         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3435         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3436         script_test_7.sh and script_test_8.sh.
3437         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3438         script_test_8.stdout.
3439         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3440         (script_test_6, script_test_6.stdout, script_test_7,
3441         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3442         * Makefile.in: Regenerate.
3443         * testsuite/script_test_6.sh: New file.
3444         * testsuite/script_test_6.t: Same.
3445         * testsuite/script_test_7.sh: Same.
3446         * testsuite/script_test_7.t: Same.
3447         * testsuite/script_test_8.sh: Same.
3448
3449 2009-10-16  Doug Kwan  <dougkwan@google.com>
3450
3451         * output.cc (Output_segment::set_section_list_address): Cast
3452         expressions to unsigned long long type to avoid format warnings.
3453
3454 2009-10-15  Ian Lance Taylor  <iant@google.com>
3455
3456         * script.cc (Script_options::add_symbol_assignment): Always add a
3457         dot assignment to script_sections_.
3458         * script-sections.cc (Script_sections::add_dot_assignment):
3459         Initialize if necessary.
3460
3461         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3462         program headers with no load segment if there is a linker script.
3463
3464         * layout.cc (Layout::set_segment_offsets): Align the file offset
3465         to the segment aligment for -N or -n with no load segment.
3466         * output.cc (Output_segment::add_output_section): Don't crash if
3467         the first section is a TLS section.
3468         (Output_segment::set_section_list_addresses): Print an error
3469         message if the address moves backward in a linker script.
3470         * script-sections.cc
3471         (Output_section_element_input::set_section_addresses): Don't
3472         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3473         (Orphan_output_section::set_section_addresses): Likewise.
3474
3475 2009-10-15  Doug Kwan  <dougkwan@google.com>
3476
3477         * layout.cc (Layout::finish_dynamic_section): Generate tags
3478         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3479         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3480         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3481
3482 2009-10-14  Ian Lance Taylor  <iant@google.com>
3483
3484         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3485         fields.
3486         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3487         data_shdr fields of relinfo.
3488         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3489         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3490         R_386_TLS_LDO_32, adjust based on section flags.
3491         (Target_i386::Relocate::fix_up_ldo): Remove.
3492
3493 2009-10-13  Ian Lance Taylor  <iant@google.com>
3494
3495         Add support for -pie.
3496         * options.h (class General_options): Add -pie and
3497         --pic-executable.
3498         (General_options::output_is_position_independent): Test -pie.
3499         (General_options::output_is_executable): Return true if not shared
3500         and not relocatable.
3501         (General_options::output_is_pie): Remove.
3502         * options.cc (General_options::finalize): Reject incompatible uses
3503         of -pie.
3504         * gold.cc (queue_middle_tasks): A -pie link is not static.
3505         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3506         * symtab.cc (Symbol::final_value_is_known): Return false if
3507         output_is_position_independent.
3508         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3509         output_is_position_independent.
3510         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3511         output_is_position_independent.
3512         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3513         output_is_position_independent.
3514         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3515         two_file_pie_test.
3516         (basic_pie_test.o, basic_pie_test): New targets.
3517         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3518         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3519         (two_file_pie_test): New target.
3520         * testsuite/Makefile.in: Rebuild.
3521         * README: Remove note saying that -pie is not supported.
3522
3523 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3524
3525         * options.h (class General_options): Add -init and -fini.
3526         * layout.cc (Layout::finish_dynamic_section): Emit
3527         given init and fini functions.
3528
3529 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3530
3531         * gc.h (gc_process_relocs): Check if icf is enabled using new
3532         function.
3533         * gold.cc (queue_initial_tasks): Likewise.
3534         (queue_middle_tasks): Likewise.
3535         * object.cc (do_layout): Likewise.
3536         * symtab.cc (is_section_folded): Likewise.
3537         * main.cc (main): Likewise.
3538         * reloc.cc (Read_relocs::run): Likewise.
3539         (Sized_relobj::do_scan_relocs): Likewise.
3540         * icf.cc (is_function_ctor_or_dtor): New function.
3541         (Icf::find_identical_sections): Check if function is ctor or dtor when
3542         safe icf is chosen.
3543         * options.h (General_options::icf): Change option to be an enum.
3544         (Icf_status): New enum.
3545         (icf_enabled): New method.
3546         (icf_safe_folding): New method.
3547         (set_icf_status): New method.
3548         (icf_status_): New variable.
3549         * (options.cc) (General_options::finalize): Set icf_status_.
3550         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3551         icf_test and icf_keep_unique_test to use the --icf enum flag.
3552         * testsuite/icf_safe_test.sh: New file.
3553         * testsuite/icf_safe_test.cc: New file.
3554
3555 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3556
3557         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3558         includes to gc.h and icf.h.
3559         * arm.cc: Include gc.h.
3560         * gold.cc: Likewise.
3561         * i386.cc: Likewise.
3562         * powerpc.cc: Likewise.
3563         * sparc.cc: Likewise.
3564         * x86_64.cc: Likewise.
3565         * gc.h: Include icf.h.
3566
3567 2009-10-11  Ian Lance Taylor  <iant@google.com>
3568
3569         * plugin.cc: Include "gold.h" before other header files.
3570
3571 2009-10-10  Chris Demetriou  <cgd@google.com>
3572
3573         * options.h (Input_file_argument::Input_file_type): New enum.
3574         (Input_file_argument::is_lib_): Replace with...
3575         (Input_file_argument::type_): New member.
3576         (Input_file_argument::Input_file_argument): Take Input_file_type
3577         'type' rather than boolean 'is_lib' as second argument.
3578         (Input_file_argument::is_lib): Use type_.
3579         (Input_file_argument::is_searched_file): New function.
3580         (Input_file_argument::may_need_search): Handle is_searched_file.
3581         * options.cc (General_options::parse_library): Support -l:filename.
3582         (General_options::parse_just_symbols): Update for Input_file_argument
3583         changes.
3584         (Command_line::process): Likewise.
3585         * archive.cc (Archive::get_file_and_offset): Likewise.
3586         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3587         * script.cc (read_script_file, script_add_file): Likewise.
3588         * fileread.cc (Input_file::Input_file): Likewise.
3589         (Input_file::will_search_for): Handle is_searched_file.
3590         (Input_file::open): Likewise.
3591         * readsyms.cc (Read_symbols::get_name): Likewise.
3592         * testsuite/Makefile.am (searched_file_test): New test.
3593         * testsuite/Makefile.in: Regenerate.
3594         * testsuite/searched_file_test.cc: New file.
3595         * testsuite/searched_file_test_lib.cc: New file.
3596
3597 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3598             Ian Lance Taylor  <iant@google.com>
3599
3600         * descriptor.cc: Include <cstdio> and "binary-io.h".
3601         (Descriptors::open): Open the files in binary mode always.
3602         * script.cc (Lex::get_token): Treat \r as whitespace.
3603
3604 2009-10-09  Ian Lance Taylor  <iant@google.com>
3605
3606         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3607
3608 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3609             Ian Lance Taylor  <iant@google.com>
3610
3611         * configure.ac: Check for readv function also.
3612         * fileread.cc (readv): Define if not HAVE_READV.
3613         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3614         does not exist.
3615         * config.in: Regenerate.
3616         * configure: Regenerate.
3617
3618 2009-10-09  Doug Kwan  <dougkwan@google.com>
3619
3620         * layout.cc (Layout::make_output_section): Call target hook to make
3621         ordinary output section.
3622         (Layout::finalize): Adjust parameter list of call the
3623         Target::may_relax().
3624         * layout.h (class Layout::section_list): New method.
3625         * merge.h (Output_merge_base::entsize): Change visibility to public.
3626         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3627         New methods.
3628         (Output_merge_string::do_is_string): New method.
3629         * object.cc (Sized_relobj::do_setup): renamed from
3630         Sized_relobj::set_up.
3631         * object.h (Sized_relobj::adjust_shndx,
3632         Sized_relobj::initializ_input_to_output_maps,
3633         Sized_relobj::free_input_to_output_maps): Change visibilities to
3634         protected.
3635         (Sized_relobj::setup): Virtualize.
3636         (Sized_relobj::do_setup): New method declaration.
3637         (Sized_relobj::invalidate_section_offset,
3638         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3639         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3640         * options.cc (parse_int): New function.
3641         * options.h (parse_int): New declaration.
3642         (DEFINE_int): New macro.
3643         (stub_group_size): New option.
3644         * output.cc (Output_section::Output_section): Initialize memebers
3645         merge_section_map_, merge_section_by_properties_map_,
3646         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3647         (Output_section::add_input_section): Handled deferred code-fill
3648         generation and remove an old comment.
3649         (Output_section::add_relaxed_input_section): New method definition.
3650         (Output_section::add_merge_input_section): Use merge section by
3651         properties map to speed to search.  Update merge section maps
3652         as appropriate.
3653         (Output_section::build_relaxation_map): New method definition.
3654         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3655         Same.
3656         (Output_section::relax_input_section): Renamed to
3657         Output_section::convert_input_sections_to_relaxed_sections and change
3658         interface to take a vector of pointers to relaxed sections.
3659         (Output_section::find_merge_section,
3660         Output_section::find_relaxed_input_section): New method definitions.
3661         (Output_section::is_input_address_mapped,
3662         Output_section::output_offset, Output_section::output_address):
3663         Use output section data maps to speed up searching.
3664         (Output_section::find_starting_output_address): Add comments.
3665         (Output_section::do_write,
3666         Output_section::write_to_postprocessing_buffer): Do code-fill
3667         generation as appropriate.
3668         (Output_section::get_input_sections): Invalidate relaxed input section
3669         map.
3670         (Output_section::restore_states): Adjust type of checkpoint .
3671         Invalidate relaxed input section map.
3672         * output.h (Output_merge_base): New class declaration.
3673         (Input_section_specifier): New class defintion.
3674         (class Output_relaxed_input_section) Change base class to
3675         Output_section_data_build.
3676         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3677         base class initializer.
3678         (Output_section::add_relaxed_input_section): New method declaration.
3679         (Output_section::Input_section): Change visibility to protected.
3680         (Output_section::Input_section::relobj,
3681         Output_section::Input_section::shndx): Handle relaxed input sections.
3682         Output_section::input_sections) Change visibility to protected.  Also
3683         define overload to return a non-const pointer.
3684         (Output_section::Merge_section_properties): New class defintion.
3685         (Output_section::Merge_section_by_properties_map,
3686         Output_section::Output_section_data_by_input_section_map,
3687         Output_section::Relaxation_map): New types.
3688         (Output_section::relax_input_section): Rename method to
3689         Output_section::convert_input_sections_to_relaxed_sections and change
3690         interface to take a vector of relaxed section pointers.
3691         (Output_section::find_merge_section,
3692         Output_section::find_relaxed_input_section,
3693         Output_section::build_relaxation_map,
3694         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3695         New method declarations.
3696         (Output_section::merge_section_map_
3697         Output_section::merge_section_by_properties_map_,
3698         Output_section::relaxed_input_section_map_,
3699         Output_section::is_relaxed_input_section_map_valid_,
3700         Output_section::generate_code_fills_at_write_): New data members.
3701         * script-sections.cc
3702         (Output_section_element_input::set_section_addresses): Call
3703         current_data_size and addralign methods of relaxed input sections.
3704         (Orphan_output_section::set_section_addresses): Call current_data_size
3705         and addralign methods of relaxed input sections.
3706         * symtab.cc (Symbol_table::compute_final_value): Extract template
3707         from the body of Symbol_table::sized_finalize_symbol.
3708         (Symbol_table::sized_finalized_symbol): Call
3709         Symbol_table::compute_final_value.
3710         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3711         (Symbol_table::compute_final_value): New templated method declaration.
3712         * target.cc (Target::do_make_output_section): New method defintion.
3713         * target.h (Target::make_output_section): New method declaration.
3714         (Target::relax): Add more parameters for input objects, symbol table
3715         and layout.  Adjust call to do_relax.
3716         (Target::do_make_output_section): New method declaration.
3717         (Target::do_relax): Add parameters for input objects, symbol table
3718         and layout.
3719
3720 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3721
3722         * pread.c: Include stdio.h.
3723
3724 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3725
3726         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3727         defined.
3728
3729 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3730
3731         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3732         Change read_shndx type to unsigned int.
3733         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3734         int.
3735         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3736         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3737         Change read_shndx type to unsigned int.
3738         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3739         int.
3740         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3741         * layout.cc (Layout::create_symtab_sections): Cast the result of
3742         local_symcount * symsize to off_t in the gold_assert.
3743
3744 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3745
3746         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3747         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3748         R_ARM_BASE_ABS.
3749         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3750         (Arm_relocate_functions::thm_abs5): New function.
3751         (Arm_relocate_functions::abs12): New function.
3752         (Arm_relocate_functions::abs16): New function.
3753         (Arm_relocate_functions::base_abs): New function.
3754         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3755         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3756         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3757         R_ARM_BASE_ABS.
3758         (Scan::global): Likewise.
3759         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3760         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3761         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3762         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3763         R_ARM_BASE_ABS.
3764
3765 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3766
3767         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3768         (Arm_relocate_functions::movt_prel): New function.
3769         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3770         (Arm_relocate_functions::thm_movt_prel): New function.
3771         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3772         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3773         (Scan::global, Relocate::relocate): Likewise.
3774         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3775
3776 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3777
3778         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3779         Incremental_checker.
3780         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3781         unsigned int.
3782         (class Incremental_inputs_header): New class.
3783         (Incremental_inputs_header_writer): Edit comment.
3784         (Incremental_inputs_entry): New class.
3785         (Incremental_inputs_entry_writer): Edit comment.
3786         (Sized_incremental_binary::do_find_incremental_inputs_section):
3787         Add *strtab_shndx parameter, fill it.
3788         (Sized_incremental_binary::do_check_inputs): New method.
3789         (Incremental_checker::can_incrementally_link_output_file): Use
3790         Sized_incremental_binary::check_inputs.
3791         (Incremental_inputs::report_command_line): Save command line in
3792         command_line_.
3793         * incremental.h:
3794         (Incremental_binary::find_incremental_inputs_section): New
3795         method.
3796         (Incremental_binary::do_find_incremental_inputs_section): Add
3797         strtab_shndx parameter.
3798         (Incremental_binary::do_check_inputs): New pure virtual method.
3799         (Sized_incremental_binary::do_check_inputs): Declare.
3800         (Incremental_checker::Incremental_checker): Add incremental_inputs
3801         parameter, use it to initialize incremental_inputs_.
3802         (Incremental_checker::incremental_inputs_): New field.
3803         (Incremental_checker::command_line): New method.
3804         (Incremental_checker::inputs): New method.
3805         (Incremental_checker::command_line_): New field.
3806
3807 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3808
3809         * incremental.cc: Include <cstdarg> and "target-select.h".
3810         (vexplain_no_incremental): New function.
3811         (explain_no_incremental): New function.
3812         (Incremental_binary::error): New method.
3813         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3814         method.
3815         (make_sized_incremental_binary): New function.
3816         (open_incremental_binary): New function.
3817         (can_incrementally_link_file): Add checks if output is ELF and has
3818         inputs section.
3819         * incremental.h: Include "elfcpp_file.h" and "output.h".
3820         (Incremental_binary): New class.
3821         (Sized_incremental_binary): New class.
3822         (open_incremental_binary): Declare.
3823         * object.cc (is_elf_object): Use
3824         elfcpp::Elf_recognizer::is_elf_file.
3825         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3826         * output.h (Output_file::filesize): New method.
3827
3828 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3829
3830         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3831         New function.
3832         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3833         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3834         function.
3835         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3836         function.
3837         (Arm_relocate_functions::movw_abs_nc): New function.
3838         (Arm_relocate_functions::movt_abs): New function.
3839         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3840         (Arm_relocate_functions::thm_movt_abs): New function.
3841         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3842         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3843         (Scan::global): Likewise.
3844         (Relocate::relocate): Likewise.
3845         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3846
3847 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3848
3849         * arm.cc (Arm_relocate_functions::got_prel) New function.
3850         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3851         (Relocate::relocate): Likewise.
3852         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3853
3854 2009-10-06  Ian Lance Taylor  <iant@google.com>
3855
3856         * options.h (class General_options): Define
3857         split_stack_adjust_size parameter.
3858         * object.h (class Object): Add uses_split_stack_ and
3859         has_no_split_stack_ fields.  Add uses_split_stack and
3860         has_no_split_stack accessor functions.  Declare
3861         handle_split_stack_section.
3862         (class Reloc_symbol_changes): Define.
3863         (class Sized_relobj): Define Function_offsets.  Declare
3864         split_stack_adjust, split_stack_adjust_reltype, and
3865         find_functions.
3866         * object.cc (Object::handle_split_stack_section): New function.
3867         (Sized_relobj::do_layout): Call handle_split_stack_section.
3868         * dynobj.cc (Sized_dynobj::do_layout): Call
3869         handle_split_stack_section.
3870         * reloc.cc (Sized_relobj::relocate_sections): Call
3871         split_stack_adjust for executable sections in split_stack
3872         objects.  Pass reloc_map to relocate_section.
3873         (Sized_relobj::split_stack_adjust): New function.
3874         (Sized_relobj::split_stack_adjust_reltype): New function.
3875         (Sized_relobj::find_functions): New function.
3876         * target-reloc.h: Include "object.h".
3877         (relocate_section): Add reloc_symbol_changes parameter.  Change
3878         all callers.
3879         * target.h (class Target): Add calls_non_split method.  Declare
3880         do_calls_non_split virtual method.  Declare match_view and
3881         set_view_to_nop.
3882         * target.cc: Include "elfcpp.h".
3883         (Target::do_calls_non_split): New function.
3884         (Target::match_view): New function.
3885         (Target::set_view_to_nop): New function.
3886         * gold.cc (queue_middle_tasks): Give an error if mixing
3887         split-stack and non-split-stack objects with -r.
3888         * i386.cc (Target_i386::relocate_section): Add
3889         reloc_symbol_changes parameter.
3890         (Target_i386::do_calls_non_split): New function.
3891         * x86_64.cc (Target_x86_64::relocate_section): Add
3892         reloc_symbol_changes parameter.
3893         (Target_x86_64::do_calls_non_split): New function.
3894         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3895         parameter.
3896         * powerpc.cc (Target_powerpc::relocate_section): Add
3897         reloc_symbol_changes parameter.
3898         * sparc.cc (Target_sparc::relocate_section): Add
3899         reloc_symbol_changes parameter.
3900         * configure.ac: Call AM_CONDITIONAL for the default target.
3901         * configure: Rebuild.
3902         * testsuite/Makefile.am (TEST_AS): New variable.
3903         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3904         (check_DATA): Add split_i386 and split_x86_64 files.
3905         (SPLIT_DEFSYMS): Define.
3906         (split_i386_[1234n].o): New targets.
3907         (split_i386_[124]): New targets.
3908         (split_i386_[1234r].stdout): New targets.
3909         (split_x86_64_[1234n].o): New targets.
3910         (split_x86_64_[124]): New targets.
3911         (split_x86_64_[1234r].stdout): New targets.
3912         (MOSTLYCLEANFILES): Add new executables.
3913         * testsuite/split_i386.sh: New file.
3914         * testsuite/split_x86_64.sh: New file.
3915         * testsuite/split_i386_1.s: New file.
3916         * testsuite/split_i386_2.s: New file.
3917         * testsuite/split_i386_3.s: New file.
3918         * testsuite/split_i386_4.s: New file.
3919         * testsuite/split_i386_n.s: New file.
3920         * testsuite/split_x86_64_1.s: New file.
3921         * testsuite/split_x86_64_2.s: New file.
3922         * testsuite/split_x86_64_3.s: New file.
3923         * testsuite/split_x86_64_4.s: New file.
3924         * testsuite/split_x86_64_n.s: New file.
3925         * testsuite/testfile.cc (Target_test): Update relocation_section
3926         function.
3927         * testsuite/Makefile.in: Rebuild.
3928
3929 2009-10-06  Ian Lance Taylor  <iant@google.com>
3930
3931         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3932         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3933         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3934         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3935         the address on ldo_addrs_.
3936         (Target_i386::Relocate::fix_up_ldo): New function.
3937
3938 2009-10-06   Rafael Espindola  <espindola@google.com>
3939
3940         * plugin.cc (add_input_library): New.
3941         (Plugin::load): Add add_input_library to tv.
3942         (Plugin_manager::add_input_file): Add the is_lib argument.
3943         (add_input_file): Update call to Plugin_manager::add_input_file.
3944         (add_input_library): New.
3945         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3946
3947 2009-09-30  Doug Kwan  <dougkwan@google.com>
3948
3949         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3950         symbol and call Symbol::may_need_copy_reloc to determine if
3951         a copy reloc is needed.
3952         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3953         nocopyreloc is given in command line.
3954         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3955         given in command line.
3956         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3957         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3958         of the removed Target_i386::may_need_copy_reloc.
3959         * options.h (copyreloc): New option with default value false.
3960         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3961         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3962         instead of the removed Target_powerpc::may_need_copy_reloc.
3963         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3964         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3965         instead of the removed Target_sparc::may_need_copy_reloc.
3966         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3967         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3968         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3969         instead of the removed Target_x86_64::may_need_copy_reloc.
3970
3971 2009-09-30  Ian Lance Taylor  <iant@google.com>
3972
3973         * object.h (class Object): Remove target_ field, and target,
3974         sized_target, and set_target methods.
3975         (Object::sized_target): Remove.
3976         (class Sized_relobj): Update declarations.  Remove sized_target.
3977         * object.cc (Sized_relobj::setup): Remove target parameter.
3978         Change all callers.
3979         (Input_objects::add_object): Don't do anything with the target.
3980         (make_elf_sized_object): Add punconfigured parameter.  Change all
3981         callers.  Set or test parameter target.
3982         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3983         Change all callers.
3984         * parameters.cc (Parameters::set_target): Change parameter type to
3985         be non-const.
3986         (Parameters::default_target): Remove.
3987         (set_parameters_target): Change parameter type to be non-const.
3988         (parameters_force_valid_target): New function.
3989         (parameters_clear_target): New function.
3990         * parameters.h (class Parameters): Update declarations.  Remove
3991         default_target method.  Add sized_target and clear_target
3992         methods.  Change target_ to be non-const.
3993         (set_parameters_target): Update declaration.
3994         (parameters_force_valid_target): Declare.
3995         (parameters_clear_target): Declare.
3996         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3997         as NULL if we aren't searching.
3998         (Add_symbols::run): Don't check for compatible target.
3999         * fileread.cc (Input_file::open_binary): Call
4000         parameters_force_valid_target.
4001         * gold.cc (queue_middle_tasks): Likewise.
4002         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
4003         set_target on object.
4004         * dynobj.h (class Sized_dynobj): Update declarations.
4005         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4006         make_elf_object returns NULL.
4007         (Archive::include_member): Don't check whether object target is
4008         compatible.
4009         * output.cc (Output_section::add_input_section): Get target from
4010         parameters.
4011         (Output_section::relax_input_section): Likewise.
4012         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4013         parameters.
4014         (Sized_relobj::do_scan_relocs): Likewise.
4015         (Sized_relobj::relocate_sections): Likewise.
4016         * resolve.cc (Symbol_table::resolve): Likewise.
4017         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
4018         parameter.  Change all callers.
4019         (Symbol_table::add_from_object): Get target from parameters.
4020         (Symbol_table::add_from_relobj): Don't check object target.
4021         (Symbol_table::add_from_dynobj): Likewise.
4022         (Symbol_table::define_special_symbol): Get target from
4023         parameters.
4024         * symtab.h (class Symbol_table): Update declaration.
4025         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4026         parameter.  Change all callers.  Clear parameter target.
4027         (Binary_test): Test target here.
4028         * testsuite/object_unittest.cc (gold_testsuite): Remove
4029         target_test_pointer parameter.  Change all callers.
4030         (Object_test): Test target here.
4031
4032 2009-09-26  Ian Lance Taylor  <iant@google.com>
4033
4034         * testsuite/initpri1.c: Don't try to use constructor priorities if
4035         compiling with gcc before 4.3.
4036
4037 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
4038
4039         * testsuite/retain_symbols_file_test.sh (check_present): Change
4040         output file name to retain_symbols_file_test.stdout.
4041         (check_absent): Likewise.
4042
4043 2009-09-18  Craig Silverstein  <csilvers@google.com>
4044
4045         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4046         * options.cc: Include <cerrno> and <fstream>.
4047         (General_options::finalize): Parse -retain-symbols-file tag.
4048         * options.h: New flag.
4049         (General_options): New method should_retain_symbol, new
4050         variable symbols_to_retain.
4051         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4052         should_retain_symbol map.
4053         * testsuite/Makefile.am (retain_symbols_file_test): New test.
4054         * testsuite/Makefile.in: Regenerate.
4055         * testsuite/retain_symbols_file_test.sh: New file.
4056
4057 2009-09-18  Nick Clifton  <nickc@redhat.com>
4058
4059         * po/es.po: Updated Spanish translation.
4060
4061 2009-09-17  Doug Kwan  <dougkwan@google.com>
4062
4063         * debug.h (DEBUG_RELAXATION): New constant.
4064         (DEBUG_ALL): Add DEBUG_RELAXATION.
4065         (debug_string_to_enum): Add relaxation debug option.
4066         * layout.cc
4067         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4068         Layout::Relaxation_debug_check::read_sections,
4069         Layout::Relaxation_debug_check::read_sections): New method definitions.
4070         (Layout::Layout): Initialize data members
4071         record_output_section_data_from_scrips_,
4072         script_output_section_data_list_ and relaxation_debug_check_.
4073         (Layout::save_segments, Layout::restore_segments,
4074         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4075         Layout::relaxation_loop_body): New method definitions.
4076         (Layout::finalize): Support relaxation.  Move section layout code to
4077         Layout::relaxation_loop_body.
4078         (Layout::set_asection_address_from_script): Move code for orphan
4079         section placement out.
4080         (Layout::place_orphan_sections_in_script): New method definition.
4081         * layout.h (Output_segment_headers, Output_file_header):
4082         New forward class declarations.
4083         (Layout::~Layout): Define.
4084         (Layout::new_output_section_data_from_script): New method definition.
4085         (Layout::place_orphan_sections_in_script): New method declaration.
4086         (Layout::Segment_states): New type declaration.
4087         (Layout::save_segments, Layout::restore_segments,
4088         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4089         Layout::relaxation_loop_body): New method declarations.
4090         (Layout::Output_section_data_list): New type declaration.
4091         (Layout::Relaxation_debug_check): New class definition.
4092         (Layout::record_output_section_data_from_script_,
4093         Layout::script_output_section_data_list_, Layout::segment_states_,
4094         Layout::relaxation_debug_check_): New data members.
4095         * output.cc: (Output_section_headers::do_size): New method definition.
4096         (Output_section_headers::Output_section_headers): Move size
4097         computation to Output_section_headers::do_size.
4098         (Output_segment_headers::do_size): New method definition.
4099         (Output_file_header::Output_file_header): Move size computation to
4100         Output_file_header::do_size and call it.
4101         (Output_file_header::do_size): New method definition.
4102         (Output_data_group::Output_data_group): Adjust call to
4103         Output_section_data.
4104         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4105         (Output_symtab_xindex::do_write): Add array bound check.
4106         (Output_section::Input_section::print_to_mapfile): Handle
4107         RELAXED_INPUT_SECTION_CODE.
4108         (Output_section::Output_section): Initialize data member checkpoint_.
4109         (Output_section::~Output_section): Delete checkpoint object pointed
4110         by checkpoint_.
4111         (Output_section::add_input_section): Always add an Input_section if
4112         relaxing.
4113         (Output_section::add_merge_input_section): Add assert.
4114         (Output_section::relax_input_section): New method definition.
4115         (Output_section::set_final_data_size): Set load address to zero for
4116         an unallocated section.
4117         (Output_section::do_address_and_file_offset_have_reset_values):
4118         New method definition.
4119         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4120         Handle relaxed input section.
4121         (Output_section::sort_attached_input_sections): Checkpoint input
4122         section list lazily.
4123         (Output_section::get_input_sections): Change type of input_sections to
4124         list of Simple_input_section pointers.  Checkpoint input section list
4125         lazily.  Also handle relaxed input sections.
4126         (Output_section::add_input_section_for_script): Take a reference to
4127         a Simple_input_section object instead of Relobj pointer and section
4128         index as parameter.  Handle relaxed input sections.
4129         (Output_section::save_states, Output_section::restore_states): New
4130         method definitions.
4131         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4132         (Output_data::is_data_size_fixed): New method definition.
4133         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4134         if it is fixed.
4135         (Output_data::address_and_file_offset_have_reset_values): New method
4136         definition.
4137         (Output_data::do_address_and_file_offset_have_reset_values): New method
4138         definition.
4139         (Output_data::set_data_size): Check that data size is not fixed.
4140         (Output_data::fix_data_size): New method definition.
4141         (Output_data::is_data_size_fixed_): New data member.
4142         (Output_section_headers::set_final_data_size): New method definition.
4143         (Output_section_headers::do_size): New method declaration.
4144         (Output_segment_headers::set_final_data_size): New method definition.
4145         (Output_segment_headers::do_size): New method declaration.
4146         (Output_file_header::set_final_data_size)::New method definition.
4147         (Output_file_header::do_size)::New method declaration.
4148         (Output_section_data::Output_section_data): Add new parameter
4149         is_data_size_fixed and use it to fix data size.
4150         (Output_data_const::Output_data_const): Adjust call to base class
4151         constructor and fix data size.
4152         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4153         base class constructor and fix data size.
4154         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4155         base class constructor and fix data size.
4156         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4157         class constructor and fix data size.
4158         (Output_data_group::set_final_data_size): New method definition.
4159         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4160         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4161         class constructor and fix data size.
4162         (Output_relaxed_input_section): New class definition.
4163         (Output_section::Simple_input_section): New class definition.
4164         (Output_section::get_input_sections): Adjust parameter list.
4165         (Output_section::add_input_section_for_script): Same.
4166         (Output_section::save_states, Output_section::restore_states,
4167         Output_section::do_address_and_file_offset_have_reset_values,
4168         (Output_section::Input_section::Input_section): Handle
4169         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4170         Output_relaxed_input_section.
4171         (Output_section::Input_section::is_input_section,
4172         Output_section::Input_section::set_output_section): Handle relaxed
4173         input section.
4174         (Output_section::Input_section::is_relaxed_input_section,
4175         Output_section::Input_section::output_section_data,
4176         Output_section::Input_section::relaxed_input_section): New method
4177         definitions.
4178         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4179         value.
4180         (Output_section::Input_section::u1_): Update comments.
4181         (Output_section::Input_section::u2_): Add new union member poris.
4182         (Output_section::Checkpoint_output_section): New classs definition.
4183         (Output_section::relax_input_section): New method declaration.
4184         (Output_section::checkpoint_): New data member.
4185         (Output_segment): Update comments.
4186         (Output_segment::Output_segment): Un-privatize copy constructor.
4187         (Output_segment::operator=): Un-privatize.
4188         * script-sections.cc (Output_section_element::Input_section_list):
4189         Change element type to Output_section::Simple_input_section.
4190         (Output_section_element_dot_assignment::set_section_addresses):
4191         Register output section data for relaxation clean up.
4192         (Output_data_exression::Output_data_expression): Adjust call to base
4193         constructor to fix data size.
4194         (Output_section_element_data::set_section_addresses): Register
4195         Output_data_expression object for relaxation clean up.
4196         (struct Input_section_info): Replace Relobj pointer and section index
4197         pair with Output_section::Simple_input_section and Convert struct to a
4198         class.
4199         (Input_section_sorter::operator()): Adjust access to
4200         Input_section_info data member to use accessors.
4201         (Output_section_element_input::set_section_addresses): Use layout
4202         parameter.  Adjust code to use Output_section::Simple_input_section
4203         and Input_secction_info classes.  Register filler for relaxation
4204         clean up.
4205         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4206         and section index pair with Output_section::Simple_input_section
4207         class.  Adjust code accordingly.
4208         (Phdrs_element::release_segment): New method definition.
4209         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4210         segment list.
4211         (Script_sections::release_segments): New method definition.
4212         * gold/script-sections.h (Script_sections::release_segments): New
4213         method declaration.
4214         * gold/target.h (Target::may_relax, Target::relax,
4215         Target::do_may_relax, Target::do_relax): New method definitions.
4216
4217 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4218
4219         * arm.cc (has_signed_unsigned_overflow): New function.
4220         (Arm_relocate_functions::abs8): New function.
4221         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4222         (Target_arm::Scan::global): Likewise.
4223         (Target_arm::relocate::relocate): Likewise.
4224         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4225         Likewise.
4226
4227 2009-09-16  Cary Coutant  <ccoutant@google.com>
4228
4229         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4230         * testsuite/Makefile.in: Regenerate.
4231
4232 2009-09-11  Nick Clifton  <nickc@redhat.com>
4233
4234         * po/gold.pot: Updated by the Translation project.
4235
4236 2009-09-08  Cary Coutant  <ccoutant@google.com>
4237
4238         * output.cc (Output_file::open): Add execute permission to empty file.
4239         * testsuite/Makefile.am (permission_test): New test.
4240         * testsuite/Makefile.in: Regenerate.
4241
4242 2009-09-02  Ian Lance Taylor  <iant@google.com>
4243
4244         * output.cc (Output_file::resize): Call map_no_anonymous rather
4245         than map.
4246
4247 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4248
4249         * gold.cc: Include "incremental.h".
4250         (queue_initial_tasks): Call Incremental_checker methods.
4251         * incremental.cc: Include "output.h".
4252         (Incremental_checker::can_incrementally_link_output_file): New
4253         method.
4254         * incremental.h (Incremental_checker): New class.
4255
4256         * output.cc (Output_file::open_for_modification): New method.
4257         (Output_file::map_anonymous): Changed return type to bool.  Record
4258         map in base_ field.
4259         (Output_file::map_no_anonymous): New method, broken out of map.
4260         (Output_file::map): Use map_no_anonymous and map_anonymous.
4261         * output.h (class Output_file): Update declarations.
4262
4263 2009-08-24  Cary Coutant  <ccoutant@google.com>
4264
4265         * options.h (Command_line::Pre_options): New class.
4266         (Command_line::pre_options): New member.
4267         * options.cc (gold::options::ready_to_register): New variable.
4268         (One_option::register_option): Do nothing if not registering options.
4269         Assert if same short option registered twice.
4270         (General_options::General_options): Turn off option registration when
4271         done constructing.
4272         (Command_line::Pre_options::Pre_options): New constructor.
4273
4274 2009-08-24  Cary Coutant  <ccoutant@google.com>
4275
4276         * options.h (General_options::no_keep_memory): Remove incorrect
4277         short option.
4278
4279 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4280
4281         * Makefile.am (am__skiplex, am__skipyacc): New.
4282         * Makefile.in: Regenerate.
4283
4284 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4285
4286         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4287         (INCLUDES): ... this.
4288         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4289         (AM_CPPFLAGS): Renamed from ...
4290         (INCLUDE): ... this.
4291         * Makefile.in, testsuite/Makefile.in: Regenerate.
4292
4293         * Makefile.in: Regenerate.
4294         * aclocal.m4: Likewise.
4295         * config.in: Likewise.
4296         * configure: Likewise.
4297         * testsuite/Makefile.in: Likewise.
4298
4299         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4300         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4301         * Makefile.in: Regenerate.
4302         * testsuite/Makefile.in: Regenerate.
4303
4304 2009-08-19  Cary Coutant  <ccoutant@google.com>
4305
4306         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4307         symbols in shared libraries overridden by hidden or internal symbols
4308         in the main program.
4309
4310 2009-08-19  Chris Demetriou  <cgd@google.com>
4311
4312         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4313         checking source file names in error messages.
4314
4315 2009-08-18  Doug Kwan  <dougkwan@google.com>
4316
4317         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4318         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4319         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4320         an elfcpp::Ehdr as parameter.
4321         * object.cc (Object::set_target): Remove the version that looks up
4322         a target and sets it.
4323         (Sized_relobj::setup): Take a Target object instead of
4324         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4325         (make_elf_sized_object): Find target and ask target to
4326         make an ELF object.
4327         * object.h: (Object::set_target): Remove the version that looks up
4328         a target and sets it.
4329         (Sized_relobj::setup): Take a Target object instead of
4330         an elfcpp:Ehdr as parameter.
4331         * target.cc: Include dynobj.h.
4332         (Target::do_make_elf_object_implementation): New.
4333         (Target::do_make_elf_object): New.
4334         * target.h (Target::make_elf_object): New template declaration.
4335         (Target::do_make_elf_object): New method declarations.
4336         (Target::do_make_elf_object_implementation): New template declaration.
4337
4338 2009-08-14  Ian Lance Taylor  <iant@google.com>
4339
4340         * gold.h (FUNCTION_NAME): Define.
4341         (gold_unreachable): Use FUNCTION_NAME.
4342
4343 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4344
4345         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4346         symbol in the --keep-unique list is not found.
4347
4348 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4349
4350         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4351         been maked as --keep-unique.
4352         (Icf::unfold_section): New function.
4353         * icf.h (Icf::unfold_section): New function.
4354         * options.h (General_options::keep_unique): New option.
4355         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4356         * testsuite/Makefile.in: Regenerate.
4357         * testsuite/icf_keep_unique_test.sh: New file.
4358         * testsuite/icf_keep_unique_test.cc: New file.
4359
4360 2009-08-12  Cary Coutant  <ccoutant@google.com>
4361
4362         PR 10471
4363         * resolve.cc (Symbol_table::resolve): Check for references from
4364         dynamic objects to hidden and internal symbols.
4365         * testsuite/Makefile.am (hidden_test.sh): New test.
4366         * testsuite/Makefile.in: Regenerate.
4367         * testsuite/hidden_test.sh: New script.
4368         * testsuite/hidden_test_1.c: New test source.
4369         * testsuite/hidden_test_main.c: New test source.
4370
4371 2009-08-11  Doug Kwan  <dougkwan@google.com>
4372
4373         * arm.cc: Update comments.
4374         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4375         segment to locate the .ARM.exidx section if present.
4376
4377 2009-08-09  Doug Kwan  <dougkwan@google.com>
4378
4379         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4380         patch.
4381
4382 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4383         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4384         compiler warnings.
4385
4386 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4387
4388         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4389         valid tls_segment only for non-debug-section relocations.
4390         * testsuite/Makefile.am: Add gc_tls_test.
4391         * testsuite/Makefile.in: Regenerate.
4392         * testsuite/gc_tls_test.cc: New file.
4393         * testsuite/gc_tls_test.sh: New file.
4394
4395 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4396
4397         * icf.cc: New file.
4398         * icf.h: New file.
4399         * Makefile.am (CCFILES): Add icf.cc.
4400         (HFILES): Add icf.h
4401         * Makefile.in: Regenerate.
4402         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4403         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4404         section, symbol and addend information for the relocs.
4405         * gold.cc (queue_middle_tasks): Call identical code folding.
4406         * gold.h: Add defines for multimap.
4407         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4408         to the call of finalize_local_symbols.
4409         * main.cc (main): Create object of class Icf.
4410         * object.cc (Sized_relobj::do_layout): Allow this function to be
4411         called twice during icf.
4412         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4413         to sections marked as identical by icf.
4414         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4415         when available.
4416         (Sized_relobj::do_section_entsize): New function.
4417         * object.h (Object::section_entsize): New function.
4418         (Object::do_section_entsize): New pure virtual function.
4419         (Relobj::finalize_local_symbols): Add new parameter.
4420         (Relobj::do_section_entsize): New function.
4421         * options.h (General_options::icf): New option.
4422         (General_options::icf_iterations): New option.
4423         (General_options::print_icf_sections): New option.
4424         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4425         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4426         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4427         icf.
4428         * symtab.cc (Symbol_table::is_section_folded): New function.
4429         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4430         to sections marked as identical by icf.
4431         * symtab.h (Symbol_table::set_icf): New function.
4432         (Symbol_table::icf): New function.
4433         (Symbol_table::is_section_folded): New function.
4434         (Symbol_table::icf_): New data member.
4435         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4436         * testsuite/Makefile.am: Add commands to build icf_test.
4437         * testsuite/Makefile.in: Regenerate.
4438         * testsuite/icf_test.sh: New file.
4439         * testsuite/icf_test.cc: New file.
4440
4441 2009-07-24  Chris Demetriou  <cgd@google.com>
4442
4443         * layout.cc (is_compressible_debug_section): Fix incorrect
4444         comment about compressed section names.
4445
4446 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4447
4448         PR 10419
4449         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4450
4451 2009-07-16  Ian Lance Taylor  <iant@google.com>
4452
4453         PR 10400
4454         * layout.h: #include <map>.
4455         (class Kept_section): Change from struct to class.  Add accessors
4456         and setters.  Add section size to Comdat_group mapping.  Change
4457         Comdat_group to std::map.  Add is_comdat_ field.  Add
4458         linkonce_size field in union.
4459         (class Layout): Update declaration of find_or_add_kept_section.
4460         Don't declare find_kept_object.
4461         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4462         parameter.  Add object, shndx, is_comdat, and is_group_name
4463         parameters.  Change all callers.  Adjust for new Kept_section.
4464         (Layout::find_kept_object): Remove.
4465         * object.cc (Sized_relobj::include_section_group): Update use of
4466         Kept_section.  Rename secnum to shndx.  Only record
4467         Kept_comdat_section if sections are the same size.
4468         (Sized_relobj::include_linkonce_section): Update use of
4469         Kept_section.  Only record Kept_comdat_section if sections are the
4470         same size.  Set size of linkonce section.
4471         (Sized_relobj::map_to_kept_section): Update call to
4472         get_kept_comdat_section.
4473         * object.h (class Sized_relobj): Rename fields in
4474         Kept_comdat_section to drop trailing underscores; change object
4475         field to Relobj*.  Change Kept_comdat_section_table to store
4476         struct rather than pointer.
4477         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4478         Add kept_object and kept_shndx parameters.  Change all callers.
4479         (Sized_relobj::get_kept_comdat_section): Change return type to
4480         bool.  Add kept_object and kept_shndx parameters.  Change all
4481         callers.
4482         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4483         Layout::find_or_add_kept_section.
4484
4485 2009-07-09  Ian Lance Taylor  <iant@google.com>
4486
4487         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4488         Reserve space in the hash table.
4489
4490 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4491
4492         * fileread.cc (File_read::get_mtime): New method.
4493         * fileread.h (Timespec): New structure.
4494         (File_read::get_mtime): New method.
4495         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4496         Renamed from timestamp_nsec.
4497         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4498         Elf_Xword.
4499         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
4500         timestamp_nsec.
4501         (Incremental_inputs::report_archive): Save mtime; style fix.
4502         (Incremental_inputs::report_obejct): Save mtime; style fix.
4503         (Incremental_inputs::report_script): Save mtime; style fix.
4504         (Incremental_inputs::finalize_inputs): Style fix.
4505         (Incremental_inputs::finalize): Style fix.
4506         (Incremental_inputs::create_input_section_data): Store inputs
4507         mtime.
4508         * incremental.h (Incremental_inputs::report_script): Add mtime
4509         argument.
4510         (Incremental_inputs::Input_info::Input_info): Intialize only one
4511         union member.
4512         (Incremental_inputs::Input_info::archive): Move to nameless
4513         union.
4514         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4515         (Incremental_inputs::Input_info::script): Move to nameless union.
4516         (Incremental_inputs::mtime): New field.
4517         * script.cc (read_input_script): Pass file mtime to
4518         Incremental_input.
4519         * script.h (Script_info::inputs): Style fix.
4520
4521 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4522
4523         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4524         instead of 32.
4525
4526 2009-06-24  Ian Lance Taylor  <iant@google.com>
4527
4528         PR 10156
4529         * layout.cc (Layout::choose_output_section): If we find an
4530         existing section, update the flags.
4531         (Layout::create_notes): New function, broken out of
4532         Layout::finalize.
4533         (Layout::finalize): Don't create note sections.
4534         (Layout::create_note): Don't crash if linker script discards
4535         section.
4536         (Layout::create_gold_note): Likewise.
4537         (Layout::create_build_id): Likewise.  Don't set
4538         after_input_sections on the section.
4539         (Layout::create_executable_stack_info): Remove target parameter.
4540         Change caller.
4541         * layout.h (class Layout): Declare create_notes.  Update
4542         declaration of create_executable_stack_info.
4543         * gold.cc (queue_middle_tasks): Call create_notes.
4544         * output.cc (Output_section::update_flags_for_input_section): Move
4545         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4546         invalid.
4547         * output.h (Output_data::mark_address_invalid): New function.
4548         (class Output_section): Only declare, not define,
4549         update_flags_for_input_section.  Remove set_flags.
4550
4551 2009-06-24  Ian Lance Taylor  <iant@google.com>
4552
4553         * script-sections.cc (Output_section_definition::
4554         set_section_addresses): Rename shadowing local load_address to
4555         laddr.
4556
4557 2009-06-24  Ian Lance Taylor  <iant@google.com>
4558
4559         PR 10244
4560         * reloc.cc (relocate_sections): Skip empty relocation sections.
4561
4562 2009-06-23  Ian Lance Taylor  <iant@google.com>
4563
4564         PR 10156
4565         * layout.cc (Layout::create_note): Use choose_output_section
4566         rather than make_output_section.
4567
4568 2009-06-23  Ian Lance Taylor  <iant@google.com>
4569
4570         PR 10237
4571         * options.cc (General_options::parse_V): Set printed_version_.
4572         (General_options::General_options): Initialize printed_version_.
4573         * options.h (class General_options): Add printed_version_ field.
4574         * gold.cc (queue_initial_tasks): If there are no input files,
4575         don't give a fatal error if we printed the version information.
4576         (queue_middle_tasks): If using -r with a shared object, give a
4577         fatal error rather than an ordinary error.
4578
4579 2009-06-23  Ian Lance Taylor  <iant@google.com>
4580
4581         PR 10219
4582         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4583         (Layout::make_output_section): Set have_stabstr_section_ if we see
4584         a .stab*str section.
4585         (Layout::finalize): Call link_stabs_sections.
4586         (Layout::link_stabs_sections): New file.
4587         * layout.h (class Layout): Add have_stabstr_section_ field.
4588         Declare link_stabs_sections.
4589
4590 2009-06-23  Doug Kwan  <dougkwan@google.com>
4591
4592         * Makefile.am (libgold_a_LIBADD): New.
4593         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4594         * Makefile.in: Regenerate.
4595         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4596         * configure: Regenerate.
4597         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4598         * fileread.cc: Include sys/state.h
4599         * gold.h: Declare memmem and strndup if found missing.
4600         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4601
4602 2009-06-23  Ian Lance Taylor  <iant@google.com>
4603
4604         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4605         * configure: Rebuild.
4606
4607 2009-06-23  Ian Lance Taylor  <iant@google.com>
4608
4609         PR 10147
4610         * object.cc (Object::section_contents): Don't try to get a view if
4611         the section has length zero.
4612         (Object::handle_gnu_warning_section): If the section is empty, use
4613         the name of the section as the warning.
4614
4615 2009-06-23  Ian Lance Taylor  <iant@google.com>
4616
4617         PR 10133
4618         * stringpool.h (class Stringpool_template): Add optimize_ field.
4619         (Stringpool_template::set_optimize): New function.
4620         * stringpool.cc (Stringpool_template::Stringpool_template):
4621         Initialize optimize_ field.
4622         (Stringpool_template::set_string_offsets): Test local optimize
4623         fild rather than parameter.
4624         * layout.cc (Layout::Layout): Call set_optimize on the section
4625         name stringpool.
4626
4627 2009-06-22  Ian Lance Taylor  <iant@google.com>
4628
4629         PR 10030
4630         * yyscript.y: Parse TARGET.
4631         * script.cc (script_set_target): New function.
4632         * script-c.h (script_set_target): Declare.
4633         * options.cc (General_options::string_to_object_format): Rename
4634         from string_to_object_format in anonymous namespace.  Change
4635         callers.
4636         * options.h (class General_options): Declare
4637         string_to_object_format.
4638
4639 2009-06-22  Ian Lance Taylor  <iant@google.com>
4640
4641         * script-sections.cc (Script_sections::create_segments): Don't put
4642         program headers in a PT_LOAD segment if -n or -N.
4643
4644 2009-06-22  Ian Lance Taylor  <iant@google.com>
4645
4646         PR 10141
4647         * options.h (class General_options): Add -z lazy and -z now.  Sort
4648         -z options into alphabetical order.
4649         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4650
4651 2009-06-21  Ian Lance Taylor  <iant@google.com>
4652
4653         * layout.cc (Layout::make_output_section): Call
4654         Target::new_output_section.
4655         (Layout::attach_allocated_section_to_segment): Put large section
4656         sections in a separate load segment with the large segment flag
4657         set.
4658         (Layout::segment_precedes): Sort large data segments after other
4659         load segments.
4660         (align_file_offset): New static function.
4661         (Layout::set_segment_offsets): Use align_file_offset.
4662         * output.h (class Output_section): Add is_small_section_ and
4663         is_large_section_ fields.
4664         (Output_section::is_small_section): New function.
4665         (Output_section::set_is_small_section):  New function.
4666         (Output_section::is_large_section): New function.
4667         (Output_section::set_is_large_section): New function.
4668         (Output_section::is_large_data_section): New function.
4669         (class Output_segment): Add is_large_data_segment_ field.
4670         (Output_segment::is_large_data_segment): New function.
4671         (Output_segment::set_is_large_data_segment): New function.
4672         * output.cc (Output_section::Output_section): Initialize new
4673         fields.
4674         (Output_segment::Output_segment): Likewise.
4675         (Output_segment::add_output_section): Add assertion that large
4676         data sections always go in large data segments.  Force small data
4677         sections to the end of the list of data sections.  Force small BSS
4678         sections to the start of the list of BSS sections.  For large BSS
4679         sections to the end of the list of BSS sections.
4680         * symtab.h (class Symbol): Declare is_common_shndx.
4681         (Symbol::is_defined): Check Symbol::is_common_shndx.
4682         (Symbol::is_common): Likewise.
4683         (class Symbol_table): Define enum Commons_section_type.  Update
4684         declarations.  Add small_commons_ and large_commons_ fields.
4685         * symtab.cc (Symbol::is_common_shndx): New function.
4686         (Symbol_table::Symbol_table): Initialize new fields.
4687         (Symbol_table::add_from_object): Put small and large common
4688         symbols in the right list.
4689         (Symbol_table::sized_finalized_symbol): Check
4690         Symbol::is_common_shndx.
4691         (Symbol_table::sized_write_globals): Likewise.
4692         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4693         common symbol lists.  Don't call do_allocate_commons_list if the
4694         list is empty.
4695         (Symbol_table::do_allocate_commons_list): Remove is_tls
4696         parameter.  Add comons_section_type parameter.  Change all
4697         callers.  Handle small and large common symbols.
4698         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4699         Symbol::is_common_shndx.
4700         * resolve.cc (symbol_to_bits): Likewise.
4701         * target.h (Target::small_common_shndx): New function.
4702         (Target::small_common_section_flags): New function.
4703         (Target::large_common_shndx): New function.
4704         (Target::large_common_section_flags): New function.
4705         (Target::new_output_section): New function.
4706         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4707         small_common_section_flags, and large_common_section_flags
4708         fields.
4709         (Target::do_new_output_section): New virtual function.
4710         * arm.cc (Target_arm::arm_info): Initialize new fields.
4711         * i386.cc (Target_i386::i386_info): Likewise.
4712         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4713         Likewise.
4714         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4715         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4716         (Target_x86_64::do_new_output_section): New function.
4717         * configure.ac: Define conditional MCMODEL_MEDIUM.
4718         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4719         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4720         (large_LDFLAGS): Define.
4721         * testsuite/large.c: New file.
4722         * testsuite/testfile.cc (Target_test::test_target_info):
4723         Initialize new fields.
4724         * configure, testsuite/Makefile.in: Rebuild.
4725
4726 2009-06-05  Doug Kwan  <dougkwan@google.com>
4727
4728         * Makefile.am (CCFILES): Add target.cc.
4729         * Makefile.in: Regenerate.
4730         * i386.cc (class Target_i386): Define new virtual method to
4731         override do_is_local_label_name in parent.
4732         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4733         local symbols if --discard-locals or -X is given.
4734         * options.h (class General_options): Declare new options
4735         '--discard-locals' and '-X' for discarding locals.
4736         * target.h (class Target): Define new methods is_local_label_name.
4737         Declare new virtual method do_is_local_label_name.
4738         * target.cc: New file.
4739         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4740         (check_SCRIPTS): Add discard_locals_test.sh.
4741         (check_DATA): Add discard_local_tests.syms.
4742         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4743         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4744         * testsuite/Makefile.in: Regenerate.
4745         * testsuite/discard_locals_test.c: New file.
4746         * testsuite/discard_locals_test.sh: Same.
4747
4748 2009-06-05  Doug Kwan  <dougkwan@google.com>
4749
4750         * object.cc (Sized_relobj::Sized_relobj): Initialize
4751         discarded_eh_frame_shndx_ to -1U.
4752         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4753         section.
4754         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4755         a discarded .eh_frame section.
4756         (Sized_relobj::do_finalize_local_symbols): Ditto.
4757         * object.h (class Sized_relobj): Declare new member
4758         discarded_eh_frame_shndx_.
4759         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4760         (local_labels_test.o, local_labels_test): New rules.
4761         * testsuite/Makefile.in: Regenerate.
4762
4763 2009-06-04  Doug Kwan  <dougkwan@google.com>
4764
4765         * layout.cc (Layout::section_name_mapping): Add mapping for
4766         special ARM sections.
4767
4768 2009-06-03  Doug Kwan  <dougkwan@google.com>
4769
4770         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4771         (utils::has_overflow): Same.
4772
4773 2009-06-03  Ian Lance Taylor  <iant@google.com>
4774
4775         * layout.cc (Layout::section_name_mapping): New array, replacing
4776         Layout::linkonce_mapping.
4777         (Layout::section_name_mapping_count): New variable, replacing
4778         Layout::linkonce_mapping_count.
4779         (Layout::linkonce_output_name): Remove.
4780         (Layout::output_section_name): Rewrite.
4781         * layout.h (class Layout): Rename Linkonce_mapping to
4782         Section_name_mapping, linkonce_mapping to section_name_mapping,
4783         linkonce_mapping_count to section_name_mapping_count.  Don't
4784         declare linkonce_output_name.
4785
4786 2009-06-03  Doug Kwan  <dougkwan@google.com>
4787
4788         * gold/arm.cc (namespace utils): New.
4789         (Target_arm::reloc_is_non_pic): Define new method.
4790         (class Arm_relocate_functions): New.
4791         (Target_arm::Relocate::relocate): Handle relocation types used by
4792         Android.
4793
4794 2009-06-03  Ian Lance Taylor  <iant@google.com>
4795
4796         * arm.cc (Target_arm::scan::global): Use || instead of |.
4797
4798 2009-06-02  Doug Kwan  <dougkwan@google.com>
4799
4800         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4801         issued_non_pic_error_.
4802         (class Target_arm::Scan): Declare new method check_non_pic.
4803         Define new method symbol_needs_plt_entry.
4804         Declare new data member issued_non_pic_error_.
4805         (class Target_arm::Relocate): Declare new method
4806         should_apply_static_reloc.
4807         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4808         (Target_arm::Scan::check_non_pic): Define new method.
4809         (Target_arm::Scan::local): Handle a small subset of reloc types used
4810         by Android.
4811         (Target_arm::Scan::local): Same.
4812         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4813
4814 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4815
4816         * incremental.cc (Incremental_inputs::report_command_line): Filter
4817         out --incremental-* options.
4818
4819 2009-05-29  Doug Kwan  <dougkwan@google.com>
4820
4821         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4822         template class.
4823         (class Target_arm): Update comment.
4824         (Target_arm::Target_arm): Initialize new data members GOT_,
4825         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4826         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4827         and Target_arm::rel_dyn_section.
4828         Declare new_enum Target_arm::Got_type.
4829         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4830         and DYNBSS_.
4831         Update commments for member do_dynsym_value.
4832         (Target_arm::got_size, Target_arm::plt_section,
4833         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4834         new methods inside class defintion.
4835         (Target_arm::got_section): Define new method.
4836         (Target_arm::rel_dyn_section): Same.
4837         (Output_data_plt_arm): New template class.
4838         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4839         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4840         (Output_data_plt_arm::add_entry): Same.
4841         (Output_data_plt_arm::first_plt_entry): Define new
4842         static data member for PLT instruction template.
4843         (Output_data_plt_arm::plt_entry): Same.
4844         (Output_data_plt_arm::do_write): Define new method.
4845         (Target_arm::make_plt_entry): Same.
4846         (Target_arm::do_finalize_sections): Same.
4847         (Target_arm::do_dynsym_value): Same.
4848
4849 2009-05-28  Doug Kwan  <dougkwan@google.com>
4850
4851         * Makefile.am (TARGETSOURCES): Add arm.cc.
4852         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4853         * Makefile.in: Regenerate.
4854         * arm.cc: New file.
4855         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4856
4857 2009-05-26  Doug Kwan  <dougkwan@google.com>
4858
4859         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4860         (General_options::check_excluded_libs): Strip off directories in
4861         archive name before matching like GNU ld does.
4862         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4863         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4864         (exclude_libs_test_LDFLAGS): Add linker option
4865         -Wl,--exclude-libs,libexclude_libs_test_3
4866         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4867         an explicit archive without using -l.
4868         (alt/libexclude_libs_test_3.a): New make rule.
4869         * testsuite/Makefile.in: Regenerate.
4870         * testsuite/exclude_libs_test.c : Declare lib3_default().
4871         (main): Call it.
4872         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4873         * exclude_libs_test_3.c: New file.
4874
4875 2009-05-26  Nick Clifton  <nickc@redhat.com>
4876
4877         * po/id.po: New Indonesian translation.
4878         * po/gold.pot: Updated template file.
4879
4880 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4881
4882         * testsuite/Makefile.am: Add -ffunction-sections to compile
4883         gc_comdat_test files.  Add -Wl,--gc-sections to build
4884         gc_comdat_test.
4885         * testsuite/Makefile.in: Regenerate.
4886         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4887
4888 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4889
4890         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4891         kept comdat section was garbage collected.
4892         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4893         * testsuite/Makefile.in: Regenerate.
4894         * testsuite/gc_comdat_test.sh: New file.
4895         * testsuite/gc_comdat_test_1.cc: New file.
4896         * testsuite/gc_comdat_test_2.cc: New file.
4897
4898 2009-05-19  Doug Kwan  <dougkwan@google.com>
4899
4900         * archive.cc (Archive::Archive): Move constructor from archive.h
4901         to here.  Initialize no_export_.
4902         (Archive::get_elf_object_for_member): Set no_export flag of object.
4903         * archive.h (Archive::Archive): Move constructor body to
4904         archive.cc.
4905         (Archive::no_export): New method.
4906         (Archive::no_export_): New field.
4907         * object.h (Object::Object): Initialize no_export_ to false.
4908         (Object::no_export, Object::set_no_export): New methods.
4909         (Object::no_export_): New field.
4910         * options.cc (General_options::parse_exclude_libs): New method.
4911         (General_options::check_excluded_libs) Same.
4912         * options.h (exclude_libs): New option.
4913         (General_options::check_excluded_libs): New method declaration.
4914         (General_options::excluded_libs_): New field.
4915         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4916         default or protected visibility if an object has no-export flag set.
4917         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4918         (check_SCRIPTS): Add exclude_libs_test.sh.
4919         (check_DATA): Add exclude_libs_test.syms.
4920         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4921         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4922         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4923         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4924         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4925         libexclude_libs_test_2.a): New rules.
4926         * testsuite/Makefile.in: Regenerate.
4927         * testsuite/exclude_libs_test.c: New file.
4928         * testsuite/exclude_libs_test.sh: Ditto.
4929         * testsuite/exclude_libs_test_1.c: Ditto.
4930         * testsuite/exclude_libs_test_2.c: Ditto.
4931
4932 2009-05-15  Ian Lance Taylor  <iant@google.com>
4933
4934         * configure.ac: Check for declarations for cases where libiberty.h
4935         checks HAVE_DECL_xxx.
4936         * configure, config.in: Rebuild.
4937
4938 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4939
4940         * gold.h (Incremental_argument_list): Remove (invalid) forward
4941         declaration.
4942         * incremental.cc (Incremental_inputs::report_achive): New method.
4943         (Incremental_inputs::report_object): New method.
4944         (Incremental_inputs::report_script): New method.
4945         (Incremental_inputs::finalize_inputs): New method.
4946         (Incremental_inputs::finalize): Call finalize_inputs().
4947         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4948         Create inputs entries.
4949         * incremental.h (Incremental_input_type): New enum.
4950         (Incremental_inputs::Incremental_input): Initialize new fields.
4951         (Incremental_inputs::report_inputs): New method.
4952         (Incremental_inputs::report_achive): New method.
4953         (Incremental_inputs::report_object): New method.
4954         (Incremental_inputs::report_script): New method.
4955         (Incremental_inputs::finalize_inputs): New method.
4956         (Incremental_inputs::Input_info): New struct.
4957         (Incremental_inputs::Input_info_map): New typedef.
4958         (Incremental_inputs::lock_): New field.
4959         (Incremental_inputs::Inputs_): New field.
4960         (Incremental_inputs::Inputs_map): New field.
4961         * main.cc (main): Call Incremental_input::report_inputs.
4962         * options.h (Input_argument_list): Typedef moved from
4963         Input_arguments.
4964         (Input_file_group::Files): Remove, use ::Input_argument_list.
4965         (Input_file_group::Input_argument_list): Remove, use
4966         ::Input_argument_list.
4967         * plugin.cc (Plugin_manager::add_input_file): Add error in
4968         incremental build.
4969         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4970         functions.
4971         * script.cc (read_input_script): Call
4972         Incremental_input::report_script.
4973         * script.h (Script_info): New class.
4974
4975 2009-04-27  Ian Lance Taylor  <iant@google.com>
4976
4977         * x86_64.cc (do_adjust_output_section): Set entsize to
4978         plt_entry_size.
4979
4980 2009-04-23  Elliott Hughes  <enh@google.com>
4981
4982         * output.cc (Output_file::close): After short writes, continue
4983         writing from the correct offset in the buffer being written.
4984
4985 2009-04-23  Chris Demetriou  <cgd@google.com>
4986
4987         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4988         * configure: Regenerate.
4989         * config.in: Regenerate.
4990         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4991         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4992
4993 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4994
4995         * incremental.cc (Incremental_inputs_header_data): Renamed from
4996         Incremental_input_header_data.
4997         (Incremental_inputs_header_data::data_size): New field.
4998         (Incremental_inputs_header_data::put_input_file_count): Renamed
4999         from input_file_count.
5000         (Incremental_inputs_header_data::put_command_line_offset): Renamed
5001         from command_line_offset.
5002         (Incremental_inputs_header_data::put_reserved): Renamed from
5003         put_reserved.
5004         (Incremental_inputs_entry_data): Renamed from
5005         Incremental_input_entry_data.
5006         (Incremental_inputs_entry_data::data_size): New field.
5007         (Incremental_inputs::report_command_line): New method.
5008         (Incremental_inputs::finalize): New method.
5009         (Incremental_inputs::create_incremental_inputs_data): New method.
5010         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5011         * incremental.h: New file.
5012         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5013        (Layout::finalize): Create incremental inputs section in
5014         incremental builds.
5015        (Layout::create_incremental_info_sections): New method.
5016         * layout.h (Layout::incremental_inputs): New method.
5017        (Layout::create_incremental_info_sections): New method.
5018        (Layout::incremental_inputs_): New field.
5019         * main.cc (main): Notify Incremental_input of the command line.
5020
5021 2009-04-01  Ian Lance Taylor  <iant@google.com>
5022             Mikolaj Zalewski  <mikolajz@google.com>
5023
5024         * gold.h (reserve_unordered_map): Define, three versions, one for
5025         each version of Unordered_map.
5026         * layout.cc (Layout::Layout): Remove options parameter.  Add
5027         number_of_input_files parameter.  Don't initialize options_.
5028         Initialize number_of_input_files_ and resized_signatures_.  Move
5029         sections_are_attached_.
5030         (Layout::layout_group): Reserve space for group_signatures_.
5031         (Layout::find_or_add_kept_section): Change name parameter to be a
5032         reference.  Resize signatures_ map when it gets large enough.
5033         (Layout::layout_eh_frame): Use parameters->options() instead of
5034         this->options_.
5035         (Layout::make_output_section): Likewise.
5036         (Layout::attach_allocated_section_to_segment): Likewise.
5037         (Layout::finalize, Layout::create_executable_stack): Likewise.
5038         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5039         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5040         * layout.h (class Layout): Update declarations.  Remove options_
5041         field.  Add number_of_input_files_ and resized_signatures_
5042         fields.  Move sections_are_attached_ field.
5043         * main.cc (main): Pass number of input files to Layout
5044         constructor.  Don't pass options.
5045
5046 2009-03-30  Ian Lance Taylor  <iant@google.com>
5047
5048         * ffsll.c (ffsll): Correct implementation.
5049
5050 2009-03-27  Ian Lance Taylor  <iant@google.com>
5051
5052         * ffsll.c: New file.
5053         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5054         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5055         * ftruncate.c (ftruncate): Declare before definition.
5056         * mremap.c (mremap): Likewise.
5057         * pread.c (pread): Likewise.
5058         * configure, Makefile.in, config.in: Rebuild.
5059
5060         * mremap.c: New file.
5061         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5062         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5063         (mremap): Declare if HAVE_MREMAP is not defined.
5064         * configure, Makefile.in, config.in: Rebuild.
5065
5066 2009-03-27  Cary Coutant  <ccoutant@google.com>
5067
5068         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5069         position independent.
5070         * sparc.cc (Target_sparc::check_non_pic): Likewise.
5071         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5072
5073 2009-03-24  Cary Coutant  <ccoutant@google.com>
5074
5075         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5076         an executable.
5077         (needs_dynamic_reloc): Likewise.
5078
5079 2009-03-24  Ian Lance Taylor  <iant@google.com>
5080
5081         * yyscript.y (file_cmd): Recognize EXTERN.
5082         (extern_name_list, extern_name_list_body): New nonterminals.
5083         * script.cc (script_add_extern): Define.
5084         * script-c.h (script_add_extern): Declare.
5085
5086 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
5087
5088         * object.cc (is_elf_object): Define.
5089         * object.h (is_elf_object): Declare.
5090         * archive.cc (Archive::get_elf_object_for_member): Call
5091         is_elf_object.
5092         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5093
5094 2009-03-24  Elliott Hughes  <enh@google.com>
5095
5096         * output.cc (Output_file::map_anonymous): Define.
5097         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
5098         try an anonymous one.  Report the size if the mmap fails.
5099         * output.h (class Output_file): Declare map_anonymous.
5100
5101 2009-03-24  Ian Lance Taylor  <iant@google.com>
5102
5103         * target-select.cc (instantiate_target): Don't acquire the lock if
5104         the instantiated_target_ field has already been set.
5105
5106 2009-03-23  Ian Lance Taylor  <iant@google.com>
5107
5108         * gold-threads.h (class Initialize_lock): Define.
5109         * gold-threads.cc (class Initialize_lock_once): Define.
5110         (initialize_lock_control): New static variable.
5111         (initialize_lock_pointer): New static variable.
5112         (initialize_lock_once): New static function.
5113         (Initialize_lock::Initialize_lock): Define.
5114         (Initialize_lock::initialize): Define.
5115         * target-select.h: Include "gold-threads.h".
5116         (class Target_selector): Add lock_ and initialize_lock_ fields.
5117         Don't define instantiate_target, just declare it.
5118         * target-select.cc (Target_selector::Target_selector): Initialize
5119         new fields.
5120         (Target_selector::instantiate_target): Define.
5121         * descriptors.h: Include "gold-threads.h".
5122         (class Descriptors): Add initialize_lock_ field.
5123         * descriptors.cc (Descriptors::Descriptors): Initialize new
5124         field.
5125         (Descriptors::open): Use initialize_lock_ field
5126         * errors.h (class Errors): Add initialize_lock_ field.
5127         * errors.cc (Errors::Errors): Initialize new field.
5128         (Errors::initialize_lock): Use initialize_lock_ field.
5129         * powerpc.cc (class Target_selector_powerpc): Remove
5130         instantiated_target_ field.  In do_recognize call
5131         instantiate_target rather than do_instantiate_target.  In
5132         do_instantiate_target just allocate a new target.
5133         * sparc.cc (class Target_selector_sparc): Likewise.
5134
5135         * freebsd.h: New file.
5136         * i386.cc: Include "freebsd.h".
5137         (Target_i386): Derive from Target_freebsd rather than
5138         Sized_target.
5139         (Target_selector_i386): Derive from Target_selector_freebsd rather
5140         than Target_selector.
5141         * x86_64.cc: Include "freebsd.h".
5142         (Target_x86_64): Derive from Target_freebsd rather than
5143         Sized_target.
5144         (Target_selector_x86_64): Derive from Target_selector_freebsd
5145         rather than Target_selector.
5146         * target.h (class Target): Add adjust_elf_header and
5147         do_adjust_elf_header.
5148         * output.cc (Output_file_header:: do_sized_write): Call target
5149         adjust_elf_header routine.
5150         * configure.tgt: Set targ_osabi.
5151         * configure.ac: Define GOLD_DEFAULT_OSABI.
5152         * parameters.cc (Parameters::default_target): Pass
5153         GOLD_DEFAULT_OSABI to select_target.
5154         * target-select.h (class Target_selector): Make instantiate_target
5155         protected rather than private.
5156         * Makefile.am (HFILES): Add freebsd.h.
5157         * configure, Makefile.in, config.in: Rebuild.
5158
5159         * merge.cc (do_add_input_section): Correct pend value.  Change
5160         message about last entry not being null terminated from error to
5161         warning.
5162
5163 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5164
5165         * incremental.cc: New file.
5166         * Makefile.am (CCFILES): Add incremental.cc.
5167         * Makefile.in: Rebuild.
5168
5169 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5170
5171         * layout.cc (Layout::output_section_name): Preserve names
5172         of '.note.' sections.
5173
5174 2009-03-19  Ian Lance Taylor  <iant@google.com>
5175
5176         * descriptors.cc (Descriptors::open): Check that the options are
5177         valid before using them.
5178
5179 2009-03-18  Ian Lance Taylor  <iant@google.com>
5180
5181         * script-sections.h: Include <list>.
5182         (class Script_sections): Change Sections_elements from std::vector
5183         to std::list.  Typedef public Elements_iterator.  Add
5184         orphan_section_placement_, data_segment_align_start_, and
5185         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5186         field.
5187         * script-sections.cc (class Orphan_section_placement): New class.
5188         (class Sections_element): Add virtual functions is_relro and
5189         orphan_section_init.  Remove virtual function place_orphan_here.
5190         (class Output_section_definition): Add is_relro and
5191         orphan_section_init.  Remove place_orphan_here.
5192         (class Orphan_output_section): Likewise.
5193         (Script_sections::Script_sections): Update for field changes.
5194         (Script_sections::data_segment_align): Set saw_data_segment_align_
5195         and data_segment_align_start_, not data_segment_align_index.
5196         (Script_sections::data_segment_relro_end): Check
5197         saw_data_segment_align_.  Use data_segment_align_start_ rather
5198         than data_segment_align_index_.
5199         (Script_sections::place_orphan): Rewrite to use
5200         Orphan_section_placement.
5201
5202 2009-03-17  Ian Lance Taylor  <iant@google.com>
5203
5204         * archive.cc (Archive::add_symbols): Check for a version attached
5205         to the symbol name in the archive map.
5206         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5207         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5208         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5209         (ver_test_11.a): New target.
5210         * testsuite/Makefile.in: Rebuild.
5211
5212         * configure.ac: Check for chsize and posix_fallocate.  Replace
5213         ftruncate.
5214         * ftruncate.c: New file, from gnulib.
5215         * output.cc (posix_fallocate): Define dummy version if not
5216         HAVE_POSIX_FALLOCATE.
5217         (Output_file::map): Call posix_fallocate rather than lseek and
5218         write.
5219         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5220         * configure, Makefile.in, config.in: Rebuild.
5221
5222 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5223
5224         * layout.h (Layout::create_note): Add section_name parameter.
5225         * layout.cc (Layout::create_note): Likewise.
5226         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5227
5228 2009-03-17  Ian Lance Taylor  <iant@google.com>
5229
5230         * descriptors.cc: Include "options.h".
5231         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5232         (Descriptors::open): Always use O_CLOEXEC when opening a new
5233         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5234         then set FD_CLOEXEC.
5235
5236         * sparc.cc (class Target_sparc): Add has_got_section.
5237         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5238         make sure we have a GOT section.
5239
5240         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5241         (Target_sparc::Scan::local): Likewise.
5242         (Target_sparc::Scan::global): Likewise.
5243         (Target_sparc::Relocate::relocate): Likewise.
5244         (Target_sparc::Relocate::relocate_tls): Likewise.
5245
5246         * symtab.cc (Symbol_table::define_default_version): New function,
5247         broken out of add_from_object.
5248         (Symbol_table::add_from_object): Call define_default_version.
5249         (Symbol_table::define_special_symbol): Add resolve_oldsym
5250         parameter.  Change all callers.  If the version for a symbol comes
5251         from a version script, resolve it with the symbol with the same
5252         name with no version.  Also add the symbol without a version if
5253         appropriate.
5254         (do_define_in_output_data): If resolving with oldsym, don't delete
5255         sym.
5256         (do_define_in_output_segment): Likewise.
5257         (do_define_as_constant): Likewise.
5258         * symtab.h (class Symbol_table): Update declarations.
5259
5260 2009-03-13  Ian Lance Taylor  <iant@google.com>
5261
5262         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5263         (Read_symbols::requeue): New function.
5264         (Read_symbols::do_read_symbols): If make_elf_object fails because
5265         the target type is not configured, and the file was searched for,
5266         issue a warning and retry with the next directory.
5267         (Add_symbols::run): If the file has an incompatible format, and
5268         it was searched for, requeue the Read_symbols task.  On error,
5269         release the object.
5270         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5271         dirindex parameter to constructor.  Change all callers.  Declare
5272         incompatible_warning and requeue.
5273         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5274         input_argument_ and input_group_ fields.  Add them to
5275         constructor.  Change all callers.
5276         (class Read_script): Add dirindex_ field.  Add it to constructor.
5277         Change all callers.
5278         * archive.cc (Archive::setup): Remove input_objects parameter.
5279         Change all callers.
5280         (Archive::get_file_and_offset): Likewise.
5281         (Archive::read_all_symbols): Likewise.
5282         (Archive::read_symbols): Likewise.
5283         (Archive::get_elf_object_for_member): Remove input_objects
5284         parameter.  Add punconfigured parameter.  Change all callers.
5285         (Archive::add_symbols): Change return type to bool.  Check return
5286         value of include_member.
5287         (Archive::include_all_members): Likewise.
5288         (Archive::include_member): Change return type to bool.  Return
5289         false if first included object has incompatible target.  Set
5290         included_member_ field.
5291         (Add_archive_symbols::run): If add_symbols returns false, requeue
5292         Read_symbols task.
5293         * archive.h (class Archive): Add included_member_ field.
5294         Initialize it in constructor.  Add input_file and searched_for
5295         methods.  Update declarations.
5296         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5297         input_argument_ fields.  Add them to constructor.  Change all
5298         callers.
5299         * script.cc: Include "target-select.h".
5300         (class Parser_closure): Add skip_on_incompatible_target_ and
5301         found_incompatible_target_ fields.  Add
5302         skip_on_incompatible_target parameter to constructor.  Change all
5303         callers.  Add methods skip_on_incompatible_target,
5304         clear_skip_on_incompatible_target, found_incompatible_target, and
5305         set_found_incompatible_target.
5306         (read_input_script): Add dirindex parameter.  Change all callers.
5307         If parser finds an incompatible target, requeue Read_symbols
5308         task.
5309         (script_set_symbol): Clear skip_on_incompatible_target in
5310         closure.
5311         (script_add_assertion, script_parse_option): Likewise.
5312         (script_start_sections, script_add_phdr): Likewise.
5313         (script_check_output_format): New function.
5314         * script.h (read_input_script): Update declaration.
5315         * script-c.h (script_check_output_format): Declare.
5316         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5317         (ignore_cmd): Remove OUTPUT_FORMAT.
5318         * fileread.cc (Input_file::Input_file): Add explicit this.
5319         (Input_file::will_search_for): New function.
5320         (Input_file::open): Add pindex parameter.  Change all callers.
5321         * fileread.h (class Input_file): Add input_file_argument method.
5322         Declare will_search_for.  Update declarations.
5323         * object.cc (make_elf_object): Add punconfigured parameter.
5324         Change all callers.
5325         * object.h (class Object): Make input_file public.  Add
5326         searched_for method.
5327         (make_elf_object): Update declaration.
5328         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5329         restart search.
5330         * dirsearch.h (class Dirsearch): Update declaration.
5331         * options.h (class General_options): Add --warn-search-mismatch.
5332         * parameters.cc (Parameters::is_compatible_target): New function.
5333         * parameters.h (class Parameters): Declare is_compatible_target.
5334         * workqueue.cc (Workqueue::add_blocker): New function.
5335         * workqueue.h (class Workqueue): Declare add_blocker.
5336
5337         * fileread.cc (Input_file::open): Remove options parameter.
5338         Change all callers.
5339         (Input_file::open_binary): Likewise.
5340         * script.cc (read_input_script): Likewise.
5341         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5342         options parameter from constructor.  Change all callers.
5343         (class Read_script): Likewise.
5344         * fileread.h (class Input_file): Update declarations.
5345         * script.h (read_input_script): Update declaration.
5346
5347 2009-03-10  Nick Clifton  <nickc@redhat.com>
5348
5349         * po/es.po: New Spanish translation.
5350
5351 2009-03-06  Cary Coutant  <ccoutant@google.com>
5352
5353         * options.cc (parse_short_option): Keep dash_z from registering itself.
5354
5355 2009-03-03  Ian Lance Taylor  <iant@google.com>
5356
5357         PR 9918
5358         * target-reloc.h (relocate_section): Pass output_section to
5359         relocate.
5360         * i386.cc (Target_i386::should_apply_static_reloc): Add
5361         output_section parameter.  Change all callers.
5362         (Target_i386::Relocate::relocate): Add output_section parameter.
5363         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5364         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5365         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5366         * testsuite/two_file_shared.sh: New script.
5367         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5368         (check_DATA): Add two_file_shared.dbg.
5369         (two_file_shared.dbg): New target.
5370         * testsuite/Makefile.in: Rebuild.
5371
5372 2009-03-01  Ian Lance Taylor  <iant@google.com>
5373
5374         * configure.ac: Check for byteswap.h.
5375         * configure: Rebuild.
5376         * config.in: Rebuild.
5377
5378 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5379
5380         * layout.cc (Layout::find_or_add_kept_section): New function.
5381         (Layout::add_comdat): Removed.
5382         * layout.h (struct Kept_section): Move out of class Layout.
5383         Remove trailing underscores from field names.  Add group_sections
5384         field.  Rename group_ field to is_group.  Change all uses.
5385         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5386         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5387         comdat_groups_ field.
5388         (Sized_relobj::include_section_group): Use
5389         find_or_add_kept_section and Kept_section::group_sections.
5390         (Sized_relobj::include_linkonce_section): Likewise.
5391         * object.cc (class Sized_relobj): Don't define Comdat_group or
5392         Comdat_group_table.  Remove find_comdat_group and
5393         add_comdat_group.  Remove comdat_groups_ field.
5394         * plugin.cc (include_comdat_group): Use
5395         Layout::find_or_add_kept_section.
5396
5397 2009-02-28  Ian Lance Taylor  <iant@google.com>
5398
5399         * README: --gc-sections and map files are now supported.  Document
5400         some build requirements.
5401
5402         PR 6992
5403         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5404         relocatable link set the value of the section symbol to zero.
5405         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5406         relocatable link don't include the section address in the local
5407         symbol value.
5408
5409 2009-02-27  Ian Lance Taylor  <iant@google.com>
5410
5411         PR 6811
5412         * options.h (class Search_directory): Add is_system_directory.
5413         (class General_options): Declare is_in_system_directory.
5414         * options.cc (get_relative_sysroot): Make static.
5415         (get_default_sysroot): Make static.
5416         (General_optoins::is_in_system_directory): New function.
5417         * fileread.cc (Input_file::is_in_system_directory): New function.
5418         * fileread.h (class Input_file): Declare is_in_system_directory.
5419         * object.h (class Object): Add is_in_system_directory.
5420         (class Input_objects): Remove system_library_directory_ field.
5421         * object.cc (Input_objects::add_object): Don't set
5422         system_library_directory_.
5423         (input_objects::found_in_system_library_directory): Remove.
5424         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5425         parameter.  Change all callers.
5426         (Symbol_table::sized_write_globals): Likewise.
5427         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5428         Call Object::is_in_system_directory.
5429         * symtab.h (class Symbol_table): Update declarations.
5430
5431         PR 5990
5432         * descriptors.h (Open_descriptor): Add is_on_stack field.
5433         * descriptors.cc (Descriptors::open): If the descriptor is on the
5434         top of the stack, remove it.  Initialize is_on_stack field.
5435         (Descriptors::release): Only add pod to stack if it is not on the
5436         stack already.
5437         (Descriptors::close_some_descriptor): Clear stack_next and
5438         is_on_stack fields.
5439
5440         PR 7091
5441         * output.cc (Output_section::find_starting_output_address): Rename
5442         from starting_output_address; add PADDR parameter; change return
5443         type.
5444         * output.h (class Output_section): Declare
5445         find_starting_output_address instead of starting_output_address.
5446         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5447         section symbol for which we can't find a merge section.
5448
5449         PR 9836
5450         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5451         hidden or internal, force the symbol to be local.
5452         * resolve.cc (Symbol::override_visibility): Define.
5453         (Symbol::override_base): Use override_visibility.
5454         (Symbol_table::resolve): Likewise.
5455         (Symbol::override_base_with_special): Likewise.
5456         (Symbol_table::override_with_special): If the visibility is hidden
5457         or internal, force the symbol to be local.
5458         * symtab.h (class Symbol): Add set_visibility and
5459         override_visibility.
5460         * testsuite/ver_test_1.sh: New file.
5461         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5462         (check_DATA): Add ver_test_1.syms.
5463         (ver_test_1.syms): New target.
5464         * testsuite/Makefile.in: Rebuild.
5465
5466 2009-02-25  Cary Coutant  <ccoutant@google.com>
5467
5468         * layout.cc (Layout::choose_output_section): Don't rename sections
5469         when using a linker script that has a SECTIONS clause.
5470         * Makefile.in: Regenerate.
5471
5472         * testsuite/Makefile.am (script_test_5.sh): New test case.
5473         * testsuite/Makefile.in: Regenerate.
5474         * testsuite/script_test_5.cc: New file.
5475         * testsuite/script_test_5.sh: New file.
5476         * testsuite/script_test_5.t: New file.
5477
5478 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5479
5480         * archive.cc (Archive::include_member): Update calls to add_symbols.
5481         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5482         the Layout argument.
5483         * dynobj.h (do_add_symbols): Add the Layout argument.
5484         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5485         Layout argument.
5486         * object.h (Object::add_symbols): Add the Layout argument.
5487         (Object::do_add_symbols): Add the Layout argument.
5488         (Sized_relobj::do_add_symbols): Add the Layout argument.
5489         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5490         Unify the two versions.
5491         (Add_plugin_symbols): Remove.
5492         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5493         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5494         (Add_plugin_symbols): Remove.
5495         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5496         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5497         (Add_symbols::run): Make it work with Pulginobj.
5498
5499 2009-02-06  Ian Lance Taylor  <iant@google.com>
5500
5501         * object.cc (Sized_relobj::do_layout): Make info message start
5502         with lower case letter.
5503
5504 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5505
5506         * binary.cc: Fix file comment.
5507
5508         * options.h (enum Incremental_disposition): Define.
5509         (class General_options): Add new options: --incremental,
5510         --incremental_changed, --incremental_unchanged,
5511         --incremental_unknown.  Add incremental_disposition_ and
5512         implicit_incremental_ fields.
5513         (General_options::incremental_disposition): New function.
5514         (class Position_dependent_options): Add incremental_disposition
5515         option.
5516         (Position_dependent_options::copy_from_options): Set incremental
5517         dispositions.
5518         * options.cc (General_options::parse_incremental_changed): New
5519         function.
5520         (General_options::parse_incremental_unchanged): New function.
5521         (General_options::parse_incremental_unknown): New function.
5522         (General_options::General_options): Initialize new fields
5523         incremental_disposition_ and implicit_incremental_.
5524         (General_options::finalize): Check for uasge of --incremental-*
5525         without --incremental.
5526
5527 2009-02-06  Chris Demetriou  <cgd@google.com>
5528
5529         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5530         pointer and to report location as the file name associated with
5531         the symbol.
5532         (gold_undefined_symbol_at_location): New function to replace the
5533         old gold_undefined_symbol functionality.
5534         * target-reloc.h (relocate_section): Update to use
5535         gold_undefined_symbol_at_location.
5536         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5537         Call gold_undefined_symbol function rather than gold_error.
5538         * errors.h (Errors::undefined_symbol): Take location as a
5539         string, rather than calculating it from a relocation.
5540         * errors.cc (Errors::fatal): Print "fatal error:" before the
5541         formatted message.
5542         (Errors::error, Errors::error_at_location): Print "error: "
5543         before the formatted message.
5544         (Errors::undefined_symbol): Take location as a string, rather
5545         than calculating it from a relocation.
5546         (gold_undefined_symbol_at_location): New function akin to
5547         old gold_undefined_symbol, calculates location from relocation.
5548         (gold_undefined_symbol): Change to take only a Symbol pointer
5549         and to report location as the file name associated with the symbol.
5550         * testsuite/debug_msg.sh: Update for changed error messages.
5551         * testsuite/undef_symbol.sh: Likewise.
5552
5553 2009-02-04  Duncan Sands  <baldrick@free.fr>
5554
5555         PR 9812
5556         * reduced_debug_output.h
5557         (Output_reduced_debug_abbrev_section::failed): Use format for
5558         gold_warning.
5559         (Output_reduced_debug_info_section::faild): Likewise.
5560
5561 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5562
5563         * script.cc (Lazy_demangler): New class.
5564         (Version_script_info::get_symbol_version_helper): Demangle a
5565         symbol only once.
5566
5567 2009-01-29  Cary Coutant  <ccoutant@google.com>
5568
5569         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5570         to __tls_get_addr.
5571         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5572
5573 2009-01-28  Ian Lance Taylor  <iant@google.com>
5574
5575         * version.cc (version_string): Bump to 1.9.
5576
5577         * gold.h: Include <cstring> and <stdint.h>.
5578         * version.cc: Include <cstdio>.
5579         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5580         warning.
5581         * reduced_debug_output.cc (insert_into_vector): Rename from
5582         Insert_into_vector; change all callers.  Use Swap_unaligned to
5583         avoid aliasing issue; remove union since it is unnecessary.
5584
5585 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5586
5587         * Makefile.am (CCFILES): Add gc.cc.
5588         (HFILES): Add gc.h.
5589         * Makefile.in: Regenerate.
5590         * gold.cc (Gc_runner): New class.
5591         (queue_initial_tasks): Call garbage collection related tasks
5592         when corresponding options are invoked.
5593         (queue_middle_gc_tasks): New function.
5594         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5595         processed early before laying out sections during garbage collection.
5596         * gold.h (queue_middle_gc_tasks): New function.
5597         (is_prefix_of): Move from "layout.cc".
5598         * i386.cc (Target_i386::gc_process_relocs): New function.
5599         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5600         * main.cc (main): Create object of class "Garbage_collection".
5601         * object.cc (Relobj::copy_symbols_data): New function.
5602         (Relobj::is_section_name_included): New function.
5603         (Sized_relobj::do_layout): Allow this function to be called twice
5604         during garbage collection and defer layout of section during the
5605         first call.
5606         * object.h (Relobj::get_symbols_data): New function.
5607         (Relobj::is_section_name_included): New function.
5608         (Relobj::copy_symbols_data): New function.
5609         (Relobj::set_symbols_data): New function.
5610         (Relobj::get_relocs_data): New function.
5611         (Relobj::set_relocs_data): New function.
5612         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5613         (Relobj::gc_process_relocs): New function.
5614         (Relobj::do_gc_process_relocs): New pure virtual function.
5615         (Relobj::sd_): New data member.
5616         (Sized_relobj::is_output_section_offset_invalid): New function.
5617         (Sized_relobj::do_gc_process_relocs): New function.
5618         * options.h (General_options::gc_sections): Modify to not be a no-op.
5619         (General_options::print_gc_sections): New option.
5620         * plugin.cc (Plugin_finish::run): Remove function call to
5621         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5622         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5623         * reloc.cc (Read_relocs::run): Add task to process relocs and
5624         determine unreferenced sections when doing garbage collection.
5625         (Gc_process_relocs): New class.
5626         (Sized_relobj::do_gc_process_relocs): New function.
5627         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5628         sections that are garbage collected.
5629         * reloc.h (Gc_process_relocs): New class.
5630         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5631         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5632         symbols whose corresponding sections are garbage collected.
5633         (Symbol_table::Symbol_table): Add new parameter for the garbage
5634         collection object.
5635         (Symbol_table::gc_mark_undef_symbols): New function.
5636         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5637         (Symbol_table::gc_mark_dyn_syms): New function.
5638         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5639         as garbage.
5640         (Symbol_table::add_from_object): Likewise.
5641         (Symbol_table::add_from_relobj): When building shared objects, do not
5642         treat externally visible symbols as garbage.
5643         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5644         table information for static and relocatable links.
5645         * symtab.h (Symbol_table::set_gc): New function.
5646         (Symbol_table::gc): New function.
5647         (Symbol_table::gc_mark_undef_symbols): New function.
5648         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5649         (Symbol_table::gc_mark_dyn_syms): New function.
5650         (Symbol_table::gc_): New data member.
5651         * target.h (Sized_target::gc_process_relocs): New pure virtual
5652         function.
5653         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5654         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5655
5656 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5657
5658         * options.h (General_options::gc_sections): Define as a no-op for now.
5659         (General_options::no_keep_memory): Ditto.
5660         (General_options::Bshareable): Define.
5661         * options.cc (General_options::finalize): Honor -Bshareable.
5662
5663 2009-01-20  Andreas Schwab  <schwab@suse.de>
5664
5665         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5666         read the value in the contents, since we don't use it.  Use the
5667         template endianness when writing.
5668         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5669
5670 2009-01-19  Andreas Schwab  <schwab@suse.de>
5671
5672         * configure.tgt (powerpc64-*): Fix targ_obj.
5673
5674 2009-01-15  Ian Lance Taylor  <iant@google.com>
5675
5676         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5677         local symbols when stripping all symbols.
5678
5679 2009-01-14  Cary Coutant  <ccoutant@google.com>
5680
5681         * output.cc (Output_reloc): Add explicit instantiations.
5682
5683 2009-01-14  Cary Coutant  <ccoutant@google.com>
5684
5685         * archive.cc (Archive::get_elf_object_for_member): Remove call
5686         to File_read::claim_for_plugin.
5687         * descriptors.cc (Descriptors::open): Remove reference to
5688         is_claimed.
5689         (Descriptors::claim_for_plugin): Remove.
5690         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5691         (Descriptors::is_claimed): Remove.
5692         (claim_descriptor_for_plugin): Remove.
5693         * fileread.cc (File_read::claim_for_plugin): Remove.
5694         * fileread.h (File_read::claim_for_plugin): Remove.
5695         (File_read::descriptor): Reopen descriptor if necessary.
5696         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5697         (Plugin_manager::all_symbols_read): Add task parameter. Change
5698         all callers.
5699         (Plugin_manager::get_input_file): New function.
5700         (Plugin_manager::release_input_file): New function.
5701         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5702         corresponding data member.
5703         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5704         and pass to base constructor. Change all callers.
5705         (get_input_file, release_input_file): New functions.
5706         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5707         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5708         (Plugin_manager::all_symbols_read): Add task parameter.
5709         (Plugin_manager::get_input_file): New function.
5710         (Plugin_manager::release_input_file): New function.
5711         (Plugin_manager::task_): New data member.
5712         (Pluginobj::Pluginobj): Add filesize parameter.
5713         (Pluginobj::filename): New function.
5714         (Pluginobj::descriptor): New function.
5715         (Pluginobj::filesize): New function.
5716         (Pluginobj::filesize_): New data member.
5717         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5718         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5719         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5720
5721         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5722         with archive libraries.
5723         * testsuite/Makefile.in: Regenerate.
5724         * testsuite/plugin_test.c (struct sym_info): New type.
5725         (get_input_file, release_input_file): New static variables.
5726         (onload): Capture new transfer vector entries.
5727         (claim_file_hook): Stop reading at end of file according to filesize.
5728         Factor out parsing of readelf output into separate function.
5729         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5730         APIs and get the source file name from the symbol table.  Convert
5731         source file name to corresponding object file name.  Print info
5732         message when adding new input files.
5733         (parse_readelf_line): New function.
5734         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5735         * testsuite/plugin_test_2.sh: Likewise.
5736         * testsuite/plugin_test_3.sh: Likewise.
5737         * testsuite/plugin_test_4.sh: New test case.
5738
5739 2009-01-07  Ian Lance Taylor  <iant@google.com>
5740
5741         * version.cc (version_string): Bump to 1.8.
5742
5743 2008-12-23  Cary Coutant  <ccoutant@google.com>
5744
5745         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5746         * plugin.cc (Plugin_manager::finish): Rename as
5747         layout_deferred_objects.  Move cleanup to separate function.
5748         (Plugin_manager::cleanup): New function.
5749         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5750         separately.
5751         * plugin.h (Plugin_manager::finish): Rename as
5752         layout_deferred_objects.
5753         (Plugin_manager::cleanup): New function.
5754         (Plugin_manager::cleanup_done): New field.
5755
5756 2008-12-23  Cary Coutant  <ccoutant@google.com>
5757
5758         * plugin.cc (is_visible_from_outside): New function.
5759         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5760         so we don't return "IR only" status for exported symbols or -r links.
5761
5762         * testsuite/Makefile.am (plugin_test_3): New test case.
5763         * testsuite/Makefile.in: Regenerate.
5764         * testsuite/plugin_test_3.sh: New file.
5765
5766 2008-12-22  Cary Coutant  <ccoutant@google.com>
5767
5768         * object.cc (Sized_relobj::layout_section): New function.
5769         (Sized_relobj::do_layout): Defer layout of input sections until after
5770         plugin has provided replacement files.
5771         (Sized_relobj::do_layout_deferred_sections): New function.
5772         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5773         (Relobj::layout_deferred_sections): New function.
5774         (Relobj::do_layout_deferred_sections): New function.
5775         (Sized_relobj::do_layout_deferred_sections): New function.
5776         (Sized_relobj::layout_section): New function.
5777         (Sized_relobj::Deferred_layout): New structure.
5778         (Sized_relobj::deferred_layout_): New field.
5779         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5780         Change all callers.  Layout deferred sections.
5781         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5782         references.
5783         (Plugin_hook::run): Move code from do_plugin_hook inline.
5784         (Plugin_hook::do_plugin_hook): Remove.
5785         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5786         (Plugin_manager::finish): Renamed, was cleanup.
5787         (Plugin_manager::should_defer_layout): New function.
5788         (Plugin_manager::add_deferred_layout_object): New function.
5789         (Plugin_manager::Deferred_layout_list): New type.
5790         (Plugin_manager::deferred_layout_objects_): New field.
5791         (Plugin_hook::do_plugin_hook): Remove.
5792
5793 2008-12-17  Ian Lance Taylor  <iant@google.com>
5794
5795         * options.h (class General_options): Add --no case for
5796         --export-dynamic.
5797
5798 2008-12-16  Cary Coutant  <ccoutant@google.com>
5799
5800         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5801         vector.
5802         (Plugin_manager::claim_file): Create plugin object even if
5803         plugin did not call the add_symbols callback.
5804         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5805         asking for more symbols than were added.
5806         * testsuite/Makefile.am (plugin_test_1): Add test case with
5807         no global symbols.
5808         (empty.syms): New target.
5809         * testsuite/Makefile.in: Regenerate.
5810         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5811         message. Don't call add_symbols if no globals.
5812         (all_symbols_read_hook): Don't provide replacement for empty
5813         claimed file.
5814
5815 2008-12-12  Ian Lance Taylor  <iant@google.com>
5816
5817         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5818         r_type == 0 for a local symbol with r_sym == 0.
5819         (scan_relocatable_relocs): Pass r_sym to
5820         local_non_section_strategy.
5821         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5822         r_sym parameter.
5823
5824         * configure.ac: Update test for TLS descriptors: they are
5825         supported as of glibc 2.9.
5826         * configure: Rebuild.
5827
5828 2008-12-11  Ian Lance Taylor  <iant@google.com>
5829
5830         PR 7091
5831         * target-reloc.h (Default_scan_relocatable_relocs): For each
5832         function, map r_type == 0 to RELOC_DISCARD.
5833
5834 2008-12-10  Cary Coutant  <ccoutant@google.com>
5835
5836         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5837         object to override a kept COMDAT group from a plugin object.
5838
5839 2008-12-09  Ian Lance Taylor  <iant@google.com>
5840
5841         PR 7088
5842         * yyscript.y (file_cmd): Handle INPUT.
5843
5844         * testsuite/initpri1.c: Change all declarations to be full
5845         prototypes by adding void, to avoid compiler warnings.
5846
5847 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5848
5849         * options.cc (General_options::parse_plugin_opt): New.
5850         (General_options::add_plugin): The argument now is just the filename.
5851         (General_options::add_plugin_option): New.
5852         * options.h (plugin_opt): New.
5853         (add_plugin): Change argument name.
5854         (add_plugin_option): New.
5855         * plugin.cc (Plugin::load): Don't parse the plugin option.
5856         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5857         (Plugin::add_option): New.
5858         (Plugin::args_): Change type.
5859         (Plugin::filename_): New.
5860         (Plugin_manager::add_plugin_option): New.
5861         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5862         * testsuite/Makefile.in: Regenerate.
5863
5864 2008-12-05  Cary Coutant  <ccoutant@google.com>
5865
5866         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5867         Handle --strip-lto-sections option.
5868         * options.h (strip_lto_sections): New option.
5869
5870 2008-12-01  Cary Coutant  <ccoutant@google.com>
5871
5872         * plugin.cc (ld_plugin_message): Change format parameter to const.
5873         Fix mismatch between new[] and delete.
5874
5875 2008-11-14  Cary Coutant  <ccoutant@google.com>
5876
5877         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5878         instead of -1U.
5879
5880 2008-11-05  Craig Silverstein  <csilvers@google.com>
5881
5882         * options.cc (General_options::parse_dynamic_list): New function.
5883         * options.h (General_options): New flags dynamic_list,
5884         dynamic_list_data, dynamic_list_cpp_new, and
5885         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5886         (General_options::in_dynamic_list): New function.
5887         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5888         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5889         (Lex::can_continue_name): Likewise.
5890         (yylex): Likewise.
5891         (read_script_file): New parameter script_options.
5892         (read_dynamic_list): New function.
5893         (Script_options::define_dynamic_list): New function.
5894         (dynamic_list_keyword_parsecodes): New variable.
5895         (dynamic_list_keywords): New variable.
5896         * script.h (Script_options::define_dynamic_list): New function
5897         prototype.
5898         (read_dynamic_list): New function prototype.
5899         * symtab.cc (strprefix): New macro.
5900         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5901         dynamic_list_data, dynamic_list_cpp_new, and
5902         dynamic_list_cpp_typeinfo.
5903         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5904         (dynamic_list_expr): New rule.
5905         (dynamic_list_nodes): Likewise.
5906         (dynamic_list_node): Likewise.
5907         * testsuite/Makefile.am (dynamic_list): New test.
5908         * testsuite/Makefile.in: Regenerated.
5909         * testsuite/dynamic_list.t: New file.
5910         * testsuite/dynamic_list.sh: New file.
5911
5912 2008-11-05  Craig Silverstein  <csilvers@google.com>
5913
5914         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5915         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5916         (t11_last): Likewise.
5917         * testsuite/ver_test_6.c (main): Likewise.
5918
5919 2008-10-07  Cary Coutant  <ccoutant@google.com>
5920
5921         * options.c (General_options::finalize): Add check for -static and
5922         -shared.
5923         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5924         is not empty.
5925
5926 2008-10-02  Cary Coutant  <ccoutant@google.com>
5927
5928         * plugin.cc (make_sized_plugin_object): Fix conditional
5929         compilation to work when not all targets are enabled.
5930
5931 2008-09-29  Cary Coutant  <ccoutant@google.com>
5932
5933         * archive.cc (Archive::get_file_and_offset): Use filename instead
5934         of name to get library path.
5935         (Archive::include_member): Unlock external member of a thin archive.
5936
5937         * testsuite/Makefile.am (TEST_AR): New variable.
5938         (thin_archive_test_1): New test.
5939         (thin_archive_test_2): New test.
5940         * testsuite/Makefile.in: Regenerate.
5941         * testsuite/thin_archive_main.cc: New file.
5942         * testsuite/thin_archive_test_1.cc: New file.
5943         * testsuite/thin_archive_test_2.cc: New file.
5944         * testsuite/thin_archive_test_3.cc: New file.
5945         * testsuite/thin_archive_test_4.cc: New file.
5946
5947 2008-09-29  Cary Coutant  <ccoutant@google.com>
5948
5949         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5950         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5951         instead of -1U.
5952         (Sized_relobj::do_finalize_local_symbols): Likewise.
5953         (Sized_relobj::map_to_kept_section): Likewise.
5954         * object.h (Sized_relobj::invalid_address): New constant.
5955         (Sized_relobj::do_output_section_offset): Check for invalid_address
5956         and return -1ULL.
5957         * output.cc (Output_reloc::local_section_offset): Use constant
5958         invalid_address instead of -1U.
5959         (Output_reloc::get_address): Likewise.
5960         (Output_section::output_address): Change -1U to -1ULL.
5961         * output.h (Output_reloc::invalid_address): New constant.
5962         * reloc.cc (Sized_relobj::write_sections): Use constant
5963         invalid_address instead of -1U.
5964         (Sized_relobj::relocate_sections): Likewise.
5965         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5966         values for merge sections.
5967         * target-reloc.h (relocate_for_relocatable): Use constant
5968         invalid_address instead of -1U.
5969
5970 2008-09-19  Cary Coutant  <ccoutant@google.com>
5971
5972         Add plugin functionality for link-time optimization (LTO).
5973         * configure.ac (plugins): Add --enable-plugins option.
5974         * configure: Regenerate.
5975         * config.in: Regenerate.
5976         * Makefile.am (LIBDL): New variable.
5977         (CCFILES): Add plugin.cc.
5978         (HFILES): Add plugin.h.
5979         (ldadd_var): Add LIBDL.
5980         * Makefile.in: Regenerate.
5981
5982         * archive.cc: Include "plugin.h".
5983         (Archive::setup): Don't preread archive symbols when using a plugin.
5984         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5985         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5986         files.
5987         (Archive::include_member): Add symbols from plugin objects.
5988         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5989         * descriptors.cc (Descriptors::open): Check for file descriptors
5990         abandoned by plugins.
5991         (Descriptors::claim_for_plugin): New function.
5992         * descriptors.h (Descriptors::claim_for_plugin): New function.
5993         (Open_descriptor::is_claimed): New field.
5994         (claim_descriptor_for_plugin): New function.
5995         * fileread.cc (File_read::claim_for_plugin): New function.
5996         * fileread.h (File_read::claim_for_plugin): New function.
5997         (File_read::descriptor): New function.
5998         * gold.cc: Include "plugin.h".
5999         (queue_initial_tasks): Add task to call plugin hooks for generating
6000         new object files.
6001         * main.cc: Include "plugin.h".
6002         (main): Load plugin libraries.
6003         * object.h (Pluginobj): Declare.
6004         (Object::pluginobj): New function.
6005         (Object::do_pluginobj): New function.
6006         (Object::set_target): New function.
6007         * options.cc: Include "plugin.h".
6008         (General_options::parse_plugin): New function.
6009         (General_options::General_options): Initialize plugins_ field.
6010         (General_options::add_plugin): New function.
6011         * options.h (Plugin_manager): Declare.
6012         (General_options): Add --plugin option.
6013         (General_options::has_plugins): New function.
6014         (General_options::plugins): New function.
6015         (General_options::add_plugin): New function.
6016         (General_options::plugins_): New field.
6017         * plugin.cc: New file.
6018         * plugin.h: New file.
6019         * readsyms.cc: Include "plugin.h".
6020         (Read_symbols::do_read_symbols): Check for archive before checking
6021         for ELF file.  Call plugin hooks to claim files.
6022         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6023         from a real object file; force override when processing replacement
6024         files.
6025         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6026         (Symbol::init_base_object): Likewise.
6027         (Symbol::init_base_output_data): Likewise.
6028         (Symbol::init_base_output_segment): Likewise.
6029         (Symbol::init_base_constant): Likewise.
6030         (Symbol::init_base_undefined): Likewise.
6031         (Symbol::output_section): Assert that object is not a plugin.
6032         (Symbol_table::add_from_pluginobj): New function.
6033         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6034         undefined.
6035         (Symbol_table::sized_write_globals): Likewise.
6036         (Symbol_table::add_from_pluginobj): Instantiate template.
6037         * symtab.h (Sized_pluginobj): Declare.
6038         (Symbol::in_real_elf): New function.
6039         (Symbol::set_in_real_elf): New function.
6040         (Symbol::in_real_elf_): New field.
6041         (Symbol_table::add_from_pluginobj): New function.
6042
6043         * testsuite/Makefile.am (AM_CFLAGS): New variable.
6044         (LIBDL): New variable.
6045         (LDADD): Add LIBDL.
6046         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6047         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6048         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6049         (MOSTLYCLEANFILES): Likewise.
6050         * testsuite/Makefile.in: Regenerate.
6051         * testsuite/plugin_test.c: New file.
6052         * testsuite/plugin_test_1.sh: New file.
6053         * testsuite/plugin_test_2.sh: New file.
6054
6055 2008-09-16  Ian Lance Taylor  <iant@google.com>
6056
6057         * target-reloc.h (relocate_section): Check whether a symbol is
6058         defined by the ABI before reporting an undefined symbol error.
6059         * target.h (Target::is_defined_by_abi): Make parameter const.
6060         (Target::do_is_defined_by_abi): Likewise.
6061         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6062         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6063         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6064         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6065         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6066         * testsuite/Makefile.in: Rebuild.
6067
6068         * fileread.cc (make_view): Add casts to avoid warning.
6069
6070 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6071
6072         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6073         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6074
6075 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6076
6077         * options.h (General_options::output_is_executable): New.
6078         (General_options::output_is_pie): New.
6079         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6080         for shared libraries.
6081         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6082
6083 2008-09-11  Chris Demetriou  <cgd@google.com>
6084
6085         * options.h (origin): New -z option.
6086         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6087         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6088         in DT_FLAGS_1.
6089
6090 2008-09-05  Cary Coutant  <ccoutant@google.com>
6091
6092         * fileread.cc (File_read::make_view): Add check for attempt to map
6093         beyond end of file.
6094
6095 2008-09-05  Cary Coutant  <ccoutant@google.com>
6096
6097         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6098         explicit instantiations.
6099
6100 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6101
6102         PR gold/6858
6103         * options.cc (General_options::finalize): Allow undefined symbols
6104         in shlibs if linking -shared.
6105
6106         PR gold/6859
6107         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6108         symbols as not needing a dynsym entry.
6109
6110 2008-08-20  Craig Silverstein  <csilvers@google.com>
6111
6112         * fileread.cc (File_read::open): Do not lock the file unless it
6113         was successfully opened.
6114
6115 2008-08-14  Cary Coutant  <ccoutant@google.com>
6116
6117         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6118         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6119         * testsuite/tls_test.cc (struct int128): 128-bit struct
6120         for testing TLS relocs with non-zero addend.
6121         (v12): New TLS variable.
6122         (t12): New test.
6123         (t_last): Add check for v12.
6124         * testsuite/tls_test.h (t12): New function.
6125         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6126
6127 2008-08-13  Ian Lance Taylor  <iant@google.com>
6128
6129         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6130         set tls_segment_ or relro_segment_.
6131         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6132         when appropriate.
6133         * output.h (Output_section::clear_is_relro): New function.
6134         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6135         sections specially even when output_data_ is empty.
6136         (Output_segment::maximum_alignment): When first section is relro,
6137         only force alignment for PT_LOAD segments.
6138         * script.cc (script_data_segment_align): New function.
6139         (script_data_segment_relro_end): New function.
6140         * script-c.h (script_data_segment_align): Declare.
6141         (script_data_segment_relro_end): Declare.
6142         * script-sections.h (class Script_sections): Declare
6143         data_segment_align and data_segment_relro_end.  Add fields
6144         segment_align_index_ and saw_relro_end_.
6145         * script-sections.cc (class Sections_element): Add set_is_relro
6146         virtual function.  Add new bool* parameter to place_orphan_here.
6147         Add get_output_section virtual function.
6148         (class Output_section_definition): Add set_is_relro.  Add new
6149         bool* parameter to place_orphan_here.  Add get_output_section.
6150         Add is_relro_ field.
6151         (Output_section_definition::Output_section_definition): Initialize
6152         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6153         and is_relro_ fields.
6154         (Output_section_definition::place_orphan_here): Add is_relro
6155         parameter.
6156         (Output_section_definition::set_section_addresses): Set relro for
6157         output section.
6158         (Output_section_definition::alternate_constraint): Likewise.
6159         (class Orphan_output_section): Add new bool* parameter to
6160         place_orphan_here.  Add get_output_section.
6161         (Orphan_output_section::place_orphan_here): Add is_relro
6162         parameter.
6163         (Script_sections::Script_sections): Initialize
6164         data_segment_align_index_ and saw_relro_end_.
6165         (Script_sections::data_segment_align): New function.
6166         (Script_sections::data_segment_relro_end): New function.
6167         (Script_sections::place_orphan): Set or clear is_relro.
6168         (Script_sections::set_section_addresses): Force alignment of first
6169         TLS section.
6170         * yyscript.y (exp): Call script_data_segment_align and
6171         script_data_segment_relro_end.
6172         * testsuite/relro_script_test.t: New file.
6173         * testsuite/relro_test.cc (using_script): Declare.
6174         (t1, t2): Test using_script.
6175         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6176         (relro_script_test_SOURCES): Define.
6177         (relro_script_test_DEPENDENCIES): Define.
6178         (relro_script_test_LDFLAGS): Define.
6179         (relro_script_test_LDADD): Define.
6180         (relro_script_test.so): New target.
6181         * testsuite/Makefile.in: Rebuild.
6182
6183 2008-08-06  Cary Coutant <ccoutant@google.com>
6184
6185         * archive.cc (Archive::total_archives, Archive::total_members)
6186         (Archive::total_members_loaded): New variables.
6187         (Archive::setup): Add parameter.  Add option to preread
6188         archive symbols.
6189         (Archive::read_armap): Add counter.
6190         (Archive::get_file_and_offset): New function.
6191         (Archive::get_elf_object_for_member): New function.
6192         (Archive::read_all_symbols): New function.
6193         (Archive::read_symbols): New function.
6194         (Archive::add_symbols): Add counters.
6195         (Archive::include_all_members): Use armap to find members if it's
6196         already built.
6197         (Archive::include_member): Skip reading symbols if already read.
6198         Factored code into Archive::get_file_and_offset and
6199         Archive::get_elf_object_for_member.  Changed call to
6200         Mapfile::report_include_archive_member.
6201         (Archive::print_stats): New function.
6202         * archive.h: Declare Object and Read_symbols_data classes.
6203         (Archive::Archive): Add initializers for new members.
6204         (Archive::setup): Add parameter.
6205         (Archive::print_stats): New function.
6206         (Archive::total_archives, Archive::total_members)
6207         (Archive::total_members_loaded): New variables.
6208         (Archive::get_file_and_offset): New function.
6209         (Archive::get_elf_object_for_member): New function.
6210         (Archive::read_all_symbols): New function.
6211         (Archive::read_symbols): New function.
6212         (Archive::Archive_member): New class.
6213         (Archive::members_): New member.
6214         (Archive::num_members_): New member.
6215         * main.cc: Include archive.h.
6216         (main): Call Archive::print_stats.
6217         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6218         archive parameter; member_name is now the fully-decorated name.
6219         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6220         * options.h: (General_options): Add --preread-archive-symbols option.
6221         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6222         Archive::setup.
6223
6224 2008-08-04  Ian Lance Taylor  <iant@google.com>
6225
6226         * symtab.h (Symbol::use_plt_offset): New function.
6227         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6228         * powerpc.cc (Relocate::relocate): Likewise.
6229         * sparc.cc (Relocate::relocate): Likewise.
6230         * x86_64.cc (Relocate::relocate): Likewise.
6231         * testsuite/weak_plt.sh: New test.
6232         * testsuite/weak_plt_main.cc: New test.
6233         * testsuite/weak_plt_shared.cc: New test.
6234         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6235         (check_PROGRAMS): Add weak_plt.
6236         (check_DATA): Add weak_plt_shared.so.
6237         (weak_plt_main_pic.o, weak_plt): New targets.
6238         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6239         * testsuite/Makefile.in: Rebuild.
6240
6241         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6242         gcctestdir/ld.
6243         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6244         * testsuite/Makefile.in: Rebuild.
6245
6246 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6247
6248         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6249         * Makefile.in: Regenerate.
6250         * po/POTFILES.in: Regenerate.
6251
6252 2008-07-29  Ian Lance Taylor  <iant@google.com>
6253
6254         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6255         symbols before other symbols.
6256         * testsuite/script_test_2.cc (test_addr): Declare.
6257         (test_addr_alias): Declare.
6258         (main): Check that test_addr and test_addr_alias have the right
6259         values.
6260         * testsuite/script_test_2.t: Define test_addr_alias and
6261         test_addr.
6262
6263 2008-07-24  Ian Lance Taylor  <iant@google.com>
6264
6265         PR 5990
6266         * descriptors.cc: New file.
6267         * descriptors.h: New file.
6268         * gold-threads.h (class Hold_optional_lock): New class.
6269         * fileread.cc: Include "descriptors.h".
6270         (File_read::~File_read): Release descriptor rather than closing
6271         it.
6272         (File_read::open) [file]: Call open_descriptor rather than open.
6273         Set is_descriptor_opened_.
6274         (File_read::open) [memory]: Assert that descriptor is not open.
6275         (File_read::reopen_descriptor): New function.
6276         (File_read::release): Release descriptor.
6277         (File_read::do_read): Make non-const.  Reopen descriptor.
6278         (File_read::read): Make non-const.
6279         (File_read::make_view): Reopen descriptor.
6280         (File_read::do_readv): Likewise.
6281         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6282         Update declarations.
6283         * layout.cc: Include "descriptors.h".
6284         (Layout::create_build_id): Use open_descriptor rather than open.
6285         * output.cc: Include "descriptors.h".
6286         (Output_file::open): Use open_descriptor rather than open.
6287         * archive.cc (Archive::const_iterator): Change Archive to be
6288         non-const.
6289         (Archive::begin, Archive::end): Make non-const.
6290         (Archive::count_members): Likewise.
6291         * archive.h (class Archive): Update declarations.
6292         * object.h (Object::read): Make non-const.
6293         * Makefile.am (CCFILES): Add descriptors.cc.
6294         (HFILES): Add descriptors.h.
6295         * Makefile.in: Rebuild.
6296
6297         PR 6716
6298         * gold.h: Always include <clocale>.  Add Solaris workarounds
6299         following code in binutils/sysdep.h.
6300
6301         PR 6048
6302         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6303         this->eh_frame_hdr_ is NULL before using it.
6304
6305         * dynobj.cc (Versions::Versions): Update comment.
6306
6307         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6308         the base version name.
6309
6310         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6311         array size plus one.
6312         (Stringpool_template::set_string_offsets): Subtract one from key
6313         before using it as an array index.
6314         (Stringpool_template::get_offset_with_length): Likewise.
6315         (Stringpool_template::write_to_buffer): Likewise.
6316         * stringpool.h (Stringpool_template::get_offset_from_key):
6317         Likewise.
6318
6319 2008-07-23  Ian Lance Taylor  <iant@google.com>
6320
6321         PR 6658
6322         * object.h (Merged_symbol_value::value): Do our best to handle a
6323         negative addend.
6324
6325         PR 6647
6326         * script.cc (Version_script_info::get_versions): Don't add empty
6327         version tag to return value.
6328         (Version_script_info::get_symbol_version_helper): Change return
6329         type to bool.  Add pversion parameter.  Change all callers.
6330         (script_register_vers_node): Don't require a non-NULL tag.
6331         * script.h (class Version_script_info): Update declarations.
6332         (Version_script_info::get_symbol_version): Change return type to
6333         bool.  Add version parameter.  Change all callers.
6334         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6335         handling.  Handle an empty version from a version script.
6336         (Symbol_table::define_special_symbol): Likewise.
6337         * testsuite/ver_test_10.script: New file.
6338         * testsuite/ver_test_10.sh: New file.
6339         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6340         (check_DATA): Add ver_test_10.syms.
6341         (ver_test_10.syms, ver_test_10.so): New target.
6342         * testsuite/Makefile.in: Rebuild.
6343
6344 2008-07-23  Simon Baldwin  <simonb@google.com>
6345
6346         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6347         to zero for undefined symbols from dynamic libraries.
6348
6349 2008-07-23  Ian Lance Taylor  <iant@google.com>
6350
6351         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6352         Change all callers.
6353         * symtab.h (class Symbol_table): Update declaration.
6354         * testsuite/ver_test_9.cc: New file.
6355         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6356         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6357         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6358         (ver_test_9.so, ver_test_9.o): New targets.
6359         * testsuite/Makefile.in: Rebuild.
6360
6361 2008-07-22  Ian Lance Taylor  <iant@google.com>
6362
6363         * options.h (class General_options): Define --check-sections.
6364         * layout.cc (Layout::set_segment_offsets): Handle
6365         --check-sections.
6366
6367         * options.h (class General_options): Define -n/--nmagic and
6368         -N/--omagic.
6369         * options.cc (General_options::finalize): For -n/--nmagic or
6370         -N/--omagic, set -static.
6371         * layout.cc (Layout::attach_allocated_section_to_segment): If
6372         -N/--omagic, don't put read-only and read-write sections in
6373         different segments.
6374         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6375         finding a read-only segment.
6376         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6377         don't set the minimum segment alignment to the common page size,
6378         and don't set the file offset to the address modulo the page size.
6379         * script-sections.cc (Script_sections::create_segments): If
6380         -n/--omagic, don't put read-only and read-write sections in
6381         different segments.
6382
6383         * cref.cc: New file.
6384         * cref.h: New file.
6385         * options.h (class General_options): Add --print-symbol-counts.
6386         * main.cc (main): Issue defined symbol report if requested.
6387         * archive.cc (Archive::interpret_header): Make into a const member
6388         function.
6389         (Archive::add_symbols): Call Input_objects::archive_start and
6390         archive_stop.
6391         (Archive::const_iterator): Define new class.
6392         (Archive::begin, Archive::end): New functions.
6393         (Archive::include_all_members): Rewrite to use iterator.
6394         (Archive::count_members): New function.
6395         * archive.h (class Archive): Update declarations.
6396         (Archive::filename): New function.
6397         * object.cc: Include "cref.h".
6398         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6399         (Sized_relobj::do_get_global_symbol_counts): New function.
6400         (Input_objects::add_object): Add object to cross-referencer.
6401         (Input_objects::archive_start): New function.
6402         (Input_objects::archive_stop): New function.
6403         (Input_objects::print_symbol_counts): New function.
6404         * object.h: Declare Cref and Archive.
6405         (Object::get_global_symbol_counts): New function.
6406         (Object::do_get_global_symbol_counts): New pure virtual function.
6407         (class Sized_relobj): Add defined_count_ field.  Update
6408         declarations.
6409         (class Input_objects): Add cref_ field.  Update constructor.
6410         Update declarations.
6411         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6412         defined_count_.
6413         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6414         symbol counts.
6415         (Sized_dynobj::do_get_global_symbol_counts): New function.
6416         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6417         defined_count_.  Update declarations.  Define Symbols typedef.
6418         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6419         parameter.  Change all callers.
6420         (Symbol_table::add_from_dynobj): Add sympointers and defined
6421         parameters.  Change all callers.
6422         * symtab.h (class Symbol_table): Update declarations.
6423         * Makefile.am (CCFILES): Add cref.cc.
6424         (HFILES): Add cref.h.
6425         * Makefile.in: Rebuild.
6426
6427 2008-07-22  Simon Baldwin  <simonb@google.com>
6428
6429         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6430         to zero when writing undefined symbols.
6431
6432 2008-07-22  Ian Lance Taylor  <iant@google.com>
6433
6434         * output.cc (Output_section::add_input_section): Don't try to
6435         merge empty merge sections.
6436
6437 2008-07-21  Craig Silverstein  <csilvers@google.com>
6438
6439         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6440         Include symbol version in error message.
6441
6442 2008-07-20  Chris Demetriou  <cgd@google.com>
6443
6444         * configure.ac (gold_cv_c_random_seed): New configured variable.
6445         (RANDOM_SEED_CFLAGS): New substituted variable.
6446         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6447         * configure: Rebuild.
6448         * Makefile.in: Likewise.
6449         * testsuite/Makefile.in: Likewise.
6450
6451 2008-07-18  Ian Lance Taylor  <iant@google.com>
6452
6453         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6454         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6455         * testsuite/ver_test_main.cc (main): Call t4.
6456         (t4, t4_2a): Define.
6457         * testsuite/ver_test_2.cc (t4_2): Define.
6458         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6459         * testsuite/ver_test_4.cc (t4_2a): Define.
6460         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6461         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6462
6463 2008-07-17  Ian Lance Taylor  <iant@google.com>
6464
6465         * dynobj.cc (Versions::add_def): If we give an error about a
6466         missing version, go ahead and create the version anyhow.
6467
6468 2008-07-10  Ian Lance Taylor  <iant@google.com>
6469
6470         Handle output sections with more than 0x7fffffff bytes.
6471         * object.h (class Relobj): Change map_to_output_ to
6472         output_sections_, and just keep a section pointer.  Change all
6473         uses.  Move comdat group support to Sized_relobj.
6474         (Relobj::is_section_specially_mapped): Remove.
6475         (Relobj::output_section): Remove poff parameter.  Change all
6476         callers.
6477         (Relobj::output_section_offset): New function.
6478         (Relobj::set_section_offset): Rewrite.
6479         (Relobj::map_to_output): Remove.
6480         (Relobj::output_sections): New function.
6481         (Relobj::do_output_section_offset): New pure virtual function.
6482         (Relobj::do_set_section_offset): Likewise.
6483         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6484         group support from Relobj.  Update declarations.
6485         (Sized_relobj::get_output_section_offset): New function.
6486         (Sized_relobj::do_output_section_offset): New function.
6487         (Sized_relobj::do_set_section_offset): New function.
6488         * object.cc (Relobj::output_section_address): Remove.
6489         (Sized_relobj::Sized_relobj): Initialize new fields.
6490         (Sized_relobj::include_section_group): Cast find_kept_object to
6491         Sized_relobj.
6492         (Sized_relobj::include_linkonce_section): Likewise.
6493         (Sized_relobj::do_layout): Use separate arrays for output section
6494         and output offset.
6495         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6496         output_sections.
6497         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6498         output_sections and section_offsets.
6499         (Sized_relobj::write_local_symbols): Likewise.
6500         (map_to_kept_section): Compute output address directly.
6501         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6502         output_sections and section_offsets.
6503         (Sized_relobj::write_sections): Likewise.
6504         (Sized_relobj::relocate_sections): Likewise.
6505         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6506         * output.h (class Output_reloc): Update declarations.  Change
6507         u2_.relobj to Sized_relobj*.
6508         (class Output_data_reloc): Change add functions to use
6509         Sized_relobj*.
6510         * output.cc (Output_reloc::Output_reloc): Change relobj to
6511         Sized_relobj*.
6512         (Output_reloc::local_section_offset): Change return type to
6513         Elf_Addr.  Use get_output_section_offset.
6514         (Output_reloc::get_address): Likewise.
6515         (Output_section::is_input_address_mapped): Don't call
6516         is_section_specially_mapped.
6517         (Output_section::output_offset): Likewise.
6518         (Output_section::output_address): Likewise.
6519         (Output_section::starting_output_address): Likewise.
6520         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6521         parameter to Sized_relobj*.
6522         (Copy_relocs::need_copy_reloc): Likewise.
6523         (Copy_relocs::save): Likewise.
6524         * copy-relocs.h (class Copy_relocs): Update declarations.
6525         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6526         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6527         * target-reloc.h (relocate_for_relocatable): Change
6528         offset_in_output_section type to Elf_Addr.  Change code that uses
6529         it as well.
6530         * layout.cc (Layout::layout): Always set *off.
6531         * mapfile.cc (Mapfile::print_input_section): Use
6532         output_section_offset.
6533         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6534         Sized_relobj*.
6535         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6536         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6537         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6538
6539 2008-07-03  Ian Lance Taylor  <iant@google.com>
6540
6541         * layout.cc (Layout::include_section): Do not discard unrecognized
6542         SHT_STRTAB sections.
6543
6544 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6545
6546         * script.cc (Lex::can_continue_name): Make '?' allowable in
6547         version-script names.
6548         * testsuite/version_script.map: Change glob pattern to use '?'
6549
6550 2008-06-30  Manish Singh  <yosh@gimp.org>
6551
6552         PR 6585
6553         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6554         Correct typo.
6555
6556 2008-06-30  Ian Lance Taylor  <iant@google.com>
6557
6558         PR 6660
6559         PR 6682
6560         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6561         versions]: Don't try to read the value in the contents, since we
6562         don't use it.  Use the template endianness when writing.
6563
6564 2008-06-25  Cary Coutant  <ccoutant@google.com>
6565
6566         * fileread.cc (File_read::make_view): Assert on zero-length view.
6567         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6568         symbol table when there are no symbols to read.
6569
6570 2008-06-23  Craig Silverstein  <csilvers@google.com>
6571
6572         * version.cc (version_string): Bump to 1.7
6573
6574 2008-06-18  Craig Silverstein  <csilvers@google.com>
6575
6576         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6577         constant 0xFFFF to type Valtype.
6578         (Powerpc_relocate_functions::rel16_ha): Likewise.
6579
6580 2008-06-17  Ian Lance Taylor  <iant@google.com>
6581
6582         * output.h (Output_section::Input_section): Initialize p2align_ to
6583         zero for Output_section_data constructors.
6584         (Output_section::Input_section::addralign): If not an input
6585         section, return the alignment of the Output_section_data.
6586         * testsuite/copy_test.cc: New file.
6587         * testsuite/copy_test_1.cc: New file.
6588         * testsuite/copy_test_2.cc: New file.
6589         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6590         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6591         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6592         (copy_test_1_pic.o, copy_test_1.so): New targets.
6593         (copy_test_2_pic.o, copy_test_2.so): New targets.
6594         * testsuite/Makefile.in: Rebuild.
6595
6596         * script-sections.cc (Script_sections::place_orphan): Initialize
6597         local variable exact.
6598
6599 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6600
6601         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6602
6603 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6604             David S. Miller  <davem@davemloft.net>
6605
6606         * powerpc.cc: New file.
6607         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6608         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6609         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6610         * Makefile.in: Rebuild.
6611
6612 2008-06-09  Ian Lance Taylor  <iant@google.com>
6613
6614         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6615         <exception>.
6616         (throwing, orig_terminate): New static variables.
6617         (terminate_handler): New static function.
6618         (t2): Set terminate handler.
6619
6620 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6621
6622         PR 6584
6623         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6624         alignment.
6625
6626 2008-05-30  Cary Coutant  <ccoutant@google.com>
6627
6628         * archive.cc (Archive::include_all_members) Correct to step
6629         over symbol table and extended name table in thin archives.
6630
6631 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6632
6633         PR 6407
6634         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6635         calculation.
6636
6637 2008-05-28  Caleb Howe  <cshowe@google.com>
6638
6639         * reduced_debug_output.cc: New file.
6640         * reduced_debug_output.h: New file.
6641         * options.h (class General_options): Add --strip-debug-non-line.
6642         * options.cc (General_options::finalize): Add strip_debug_non_line
6643         to the strip heirarchy.
6644         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6645         fields.
6646         * layout.cc: Include "reduced_debug_output.h".
6647         (Layout::Layout): Initialize new fields.
6648         (line_only_debug_sections): New static array.
6649         (is_lines_only_debug_sections): New static inline function.
6650         (Layout::include_section): Handle --strip-debug-non-line.
6651         (Layout::make_output_section): If --strip-debug-non-line, build
6652         new output sections for .debug_abbrev and .debug_info.
6653         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6654         gold.  Warn about possible overflow.
6655         (read_signed_LEB_128): Likewise.
6656         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6657         (read_signed_LEB_128): Declare.
6658         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6659         (HFILES): Add reduced_debug_output.h.
6660         * Makefile.in: Rebuild.
6661
6662 2008-05-21  Ian Lance Taylor  <iant@google.com>
6663
6664         * mapfile.cc: New file.
6665         * mapfile.h: New file.
6666         * options.h (class General_options): Add -M/--print-map and -Map.
6667         * options.cc (General_options::finalize): Make -M equivalent to
6668         -Map -.
6669         * main.cc: Include <cstdio> and "mapfile.h".
6670         (main): Open mapfile if requested.
6671         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6672         constructor.  Change caller.
6673         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6674         (queue_middle_tasks): Likewise.
6675         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6676         declarations.
6677         * archive.cc: Include "mapfile.h".
6678         (Archive::add_symbols): Add mapfile parameter.  Change all
6679         callers.  Pass mapfile, symbol, and reason to include_member.
6680         (Archive::include_all_members): Add mapfile parameter.  Change all
6681         callers.
6682         (Archive::include_member): Add mapfile, sym, and why parameters.
6683         Change all callers.  Report inclusion to map file.
6684         * archive.h: Include "fileread.h".
6685         (class Archive): Update declarations.
6686         (Archive::file): New const method.
6687         (class Add_archive_symbols): Add mapfile_ field.  Update
6688         constructor.  Change all callers.
6689         * readsyms.h (class Read_symbols): Likewise.
6690         (class Finish_group): Likewise.
6691         (class Read_script): Likewise.
6692         * common.cc: Include "mapfile.h".
6693         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6694         all callers.
6695         (Symbol_table::do_allocate_commons): Likewise.
6696         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6697         symbol allocation to mapfile.
6698         * common.h (class Allocate_commons_task): Add mapfile_ field.
6699         Update constructor.  Change all callers.
6700         * symtab.h (class Symbol_table): Update declarations.
6701         * layout.cc: Include "mapfile.h".
6702         (Layout_task_runner::run): Print information to mapfile.
6703         (Layout::create_gold_note): Change Output_data_fixed_space to
6704         Output_data_zero_fill.
6705         (Layout::create_build_id): Likewise.
6706         (Layout::print_to_mapfile): New function.
6707         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6708         constructor.  Change caller.
6709         (class Layout): Declare print_to_mapfile.
6710         * output.cc (Output_section::Input_section::print_to_mapfile): New
6711         function.
6712         (Output_section::add_input_section): If producing a map, always
6713         add to input_sections_ list.
6714         (Output_section::do_print_to_mapfile): New function.
6715         (Output_segment::print_sections_to_mapfile): New function.
6716         (Output_segment::print_section_list_to_mapfile): New function.
6717         * output.h: Include "mapfile.h".
6718         (Output_data::print_to_mapfile): New function.
6719         (Output_data::do_print_to_mapfile): New virtual function.
6720         (Output_segment_headers::do_print_to_mapfile): New function.
6721         (Output_file_header::do_print_to_mapfile): New function.
6722         (Output_data_const::do_print_to_mapfile): New function.
6723         (class Output_data_const_buffer): Add map_name_ field.  Update
6724         constructor.  Change all callers.  Add do_print_to_mapfile
6725         function.
6726         (class Output_data_fixed_space): Likewise.
6727         (class Output_data_space): Likewise.
6728         (class Output_data_zero_fill): New class.
6729         (Output_data_strtab::do_print_to_mapfile): New function.
6730         (Output_data_reloc_base::do_print_to_mapfile): New function.
6731         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6732         (Output_data_group::do_print_to_mapfile): New function.
6733         (Output_data_got::do_print_to_mapfile): New function.
6734         (Output_data_dynamic::do_print_to_mapfile): New function.
6735         (Output_symtab_xindex::do_print_to_mapfile): New function.
6736         (class Output_section): Declare do_print_to_mapflie.  Declare
6737         print_to_mapfile in Input_section.
6738         (class Output_segment): Declare new functions.
6739         * object.h (Sized_relobj::symbol_count): New function.
6740         * script-sections.cc
6741         (Output_section_element_dot_assignment::set_section_addresses):
6742         Change Output_data_fixed_space to Output_data_zero_fill.
6743         (Output_data_expression::do_print_to_mapfile): New function.
6744         * script.cc (read_input_script): Add mapfile parameter.  Change
6745         all callers.
6746         * script.h (read_input_script): Update declaration.
6747         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6748         (Eh_frame::do_print_to_mapfile): New function.
6749         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6750         (Output_merge_string::do_print_to_mapfile): New function.
6751         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6752         function.
6753         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6754         function.
6755         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6756         function.
6757         * Makefile.am (CCFILES): Add mapfile.cc.
6758         (HFILES): Add mapfile.h.
6759         * Makefile.in: Rebuild.
6760
6761 2008-05-19  Ian Lance Taylor  <iant@google.com>
6762
6763         * options.h (class General_options): Add -z relro.
6764         * layout.cc (Layout::Layout): Initialize relro_segment_.
6765         (Layout::add_output_section_data): Return the output section.
6766         (Layout::make_output_section): Rcognize relro sections and mark
6767         them appropriately.
6768         (Layout::attach_allocated_section_to_segment): Put relro sections
6769         in a PT_GNU_RELRO segment.
6770         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6771         section as relro.
6772         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6773         PT_TLS segments.
6774         (Layout::linkonce_mapping): Map d.rel.ro.local to
6775         .data.rel.ro.local.
6776         (Layout::output_section_name): Us .data.rel.ro.local for any
6777         section which begins with that.
6778         * layout.h (class Layout): Update add_output_section_data
6779         declaration.  Add relro_segment_ field.
6780         * output.cc (Output_section::Output_section): Initialize is_relro_
6781         and is_relro_local_ fields.
6782         (Output_segment::add_output_section): Group relro sections.
6783         (Output_segment::is_first_section_relro): New function.
6784         (Output_segment::maximum_alignment): If there is a relro section,
6785         align the segment to the common page size.
6786         (Output_segment::set_section_addresses): Track whether we are
6787         looking at relro sections.  If the last section is a relro
6788         section, align to the common page size.
6789         (Output_segment::set_section_list_addresses): Add in_relro
6790         parameter.  Change all callers.  Align to the page size when
6791         moving from relro to non-relro section.
6792         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6793         segment.
6794         * output.h (class Output_section): Add is_relro_ and
6795         is_relro_local_ fields.
6796         (Output_section::is_relro): New function.
6797         (Output_section::set_is_relro): New function.
6798         (Output_section::is_relro_local): New function.
6799         (Output_section::set_is_relro_local): New function.
6800         (class Output_segment): Update declarations.
6801         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6802         * sparc.cc (Target_sparc::got_section): Likewise.
6803         * x86_64.cc (Target_x86_64::got_section): Likewise.
6804         * testsuite/relro_test_main.cc: New file.
6805         * testsuite/relro_test.cc: New file.
6806         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6807         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6808         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6809         (relro_test.so, relro_test_pic.o): New targets.
6810         * testsuite/Makefile.in: Rebuild.
6811
6812 2008-05-16  Ian Lance Taylor  <iant@google.com>
6813
6814         * output.cc (Output_segment::add_output_section): Remove front
6815         parameter.
6816         * output.h (class Output_segment): Remove
6817         add_initial_output_section and overloaded add_output_section.
6818         Update declaration of remaining add_output_section.
6819         * layout.cc (Layout::create_interp): Call add_output_section
6820         rather than add_initial_output_section.
6821         (Layout::finish_dynamic_section): Likewise.
6822
6823         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6824         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6825         know the dynamic type.
6826         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6827         field.  Initialize it in constructor.
6828         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6829         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6830         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6831         reloc.
6832
6833         * output.cc (Output_reloc::get_address): Change return type to
6834         Elf_Addr.
6835         * output.h (class Output_reloc): Update get_address declaration.
6836         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6837         for section addresses.
6838
6839 2008-05-09  Ian Lance Taylor  <iant@google.com>
6840
6841         PR 6493
6842         * gold.cc (gold_nomem): Use return value of write.
6843
6844 2008-05-08  Ian Lance Taylor  <iant@google.com>
6845
6846         * symtab.c (Symbol::init_base_output_data): Add version
6847         parameter.  Change all callers.
6848         (Symbol::init_base_output_segment): Likewise.
6849         (Symbol::init_base_constant): Likewise.
6850         (Symbol::init_base_undefined): Likewise.
6851         (Sized_symbol::init_output_data): Likewise.
6852         (Sized_symbol::init_output_segment): Likewise.
6853         (Sized_symbol::init_constant): Likewise.
6854         (Sized_symbol::init_undefined): Likewise.
6855         (Symbol_table::do_define_in_output_data): If the new symbol has a
6856         version, mark it as the default.
6857         (Symbol_table::do_define_in_output_segment): Likewise.
6858         (Symbol_table::do_define_as_constant): Likewise.
6859         * symtab.h (class Symbol): Update declarations.
6860         (class Sized_symbol): Likewise.
6861         * resolve.cc (Symbol::override_version): New function.
6862         (Symbol::override_base): Call override_version.
6863         (Symbol::override_base_with_special): Likewise.
6864         * testsuite/ver_script_8.script: New file.
6865         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6866         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6867         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6868         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6869
6870 2008-05-06  Ian Lance Taylor  <iant@google.com>
6871
6872         PR 6049
6873         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6874         functions.
6875         (class General_options): Remove existing --undefined, and add
6876         --no-undefined instead.  Add new --undefined as synonym for -u.
6877         * archive.cc (Archive::add_symbols): Check whether symbol was
6878         named with -u.
6879         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6880         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6881         all uses.  Add IS_UNDEFINED.  Update declarations to split
6882         different versions of init_base.  Declare init_base_undefined.
6883         (Symbol::is_defined): Handle IS_UNDEFINED.
6884         (Symbol::is_undefined): Likewise.
6885         (Symbol::is_weak_undefined): Call is_undefined.
6886         (Symbol::is_absolute): Handle IS_CONSTANT.
6887         (class Sized_symbol): Update declarations to split different
6888         versions of init.  Declare init_undefined.
6889         (class Symbol_table): Declare new functions.
6890         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6891         Change all callers.
6892         (Symbol::init_base_output_data): Likewise.
6893         (Symbol::init_base_output_segment): Likewise.
6894         (Symbol::init_base_constant): Likewise.
6895         (Symbol::init_base_undefined): New function.
6896         (Sized_symbol::init_object): Rename from init.  Change all
6897         callers.
6898         (Sized_symbol::init_output_data): Likewise.
6899         (Sized_symbol::init_output_segment): Likewise.
6900         (Sized_symbol::init_constant): Likewise.
6901         (Sized_symbol::init_undefined): New function.
6902         (Symbol_table::add_undefined_symbols_from_command_line): New
6903         function.
6904         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6905         function.
6906         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6907         (Symbol::output_section): Likewise.
6908         (Symbol::set_output_section): Likewise.
6909         (Symbol_table::sized_finalize_symbol): Likewise.
6910         (Symbol_table::sized_write_globals): Likewise.
6911         * resolve.cc (Symbol_table::should_override): Likewise.
6912         (Symbol::override_base_with_special): Likewise.
6913
6914         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6915         symbol, change it to have default visibility.
6916         * testsuite/protected_1.cc: New file.
6917         * testsuite/protected_2.cc: New file.
6918         * testsuite/protected_3.cc: New file.
6919         * testsuite/protected_main_1.cc: New file.
6920         * testsuite/protected_main_2.cc: New file.
6921         * testsuite/protected_main_3.cc: New file.
6922         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6923         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6924         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6925         (protected_1.so): New target.
6926         (protected_1_pic.o, protected_2_pic.o): New targets.
6927         (protected_3_pic.o): New target.
6928         (check_PROGRAMS): Add protected_2.
6929         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6930         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6931         * testsuite/Makefile.in: Rebuild.
6932
6933         * options.h (DEFINE_var): Add set_user_set_##varname__.
6934         (DEFINE_bool_alias): New macro.
6935         (class General_options): Define -Bstatic using DEFINE_bool_alias
6936         rather than DEFINE_special.  Add --undefined as an alias for -z
6937         defs.
6938         * options.cc (General_options::parse_Bstatic): Remove.
6939
6940         * options.h (class General_options): Add --fatal-warnings.
6941         * main.cc (main): Implement --fatal-warnings.
6942         * errors.h (Errors::warning_count): New function.
6943
6944         * options.h (class General_options): Add -Bsymbolic-functions.
6945         * symtab.h (Symbol::is_preemptible): Check for
6946         -Bsymbolic-functions.
6947
6948 2008-05-05  Ian Lance Taylor  <iant@google.com>
6949
6950         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6951         as noVARNAME rather than no-VARNAME.
6952         (class General_options): Add option -z combreloc.
6953         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6954         get_address.
6955         (Output_reloc::sort_before) [SHT_REL]: New function.
6956         (Output_reloc::sort_before) [SHT_RELA]: New function.
6957         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6958         Sort_relocs_comparison.
6959         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6960         parameter.  Change all callers.
6961         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6962         sort_relocs parameter.  Change all callers.
6963         * output.cc (Output_reloc::get_address): New function, broken out
6964         of write_rel.
6965         (Output_reloc::write_rel): Call it.
6966         (Output_reloc::compare): New function.
6967         (Output_data_reloc_base::do_write): Optionally sort relocs.
6968
6969         * configure.ac: If targ_extra_obj is set, link it in.
6970         * configure.tgt: Initialize all variables.
6971         (x86_64*): Set targ_extra_obj and targ_extra_size.
6972         * configure: Rebuild.
6973
6974         * object.cc (Sized_relobj::include_section_group): Adjust section
6975         indexes read from group data.  Build vector to pass to
6976         layout_group.
6977         * layout.cc (Layout::layout_group): Add flags and shndxes
6978         parameters.  Remove contents parameter.  Change caller.  Update
6979         explicit instantiations.
6980         * layout.h (class Layout): Update layout_group declaration.
6981         * output.cc (Output_data_group::Output_data_group): Add flags and
6982         input_shndxes parameters.  Remove contents parameter.  Change
6983         caller.
6984         (Output_data_group::do_write): Change input_sections_ to
6985         input_shndxes_.
6986         * output.h (class Output_data_group): Update constructor
6987         declaration.  Rename input_sections_ to input_shndxes_.
6988         * testsuite/many_sections_test.cc: Add template.
6989
6990 2008-04-30  Cary Coutant  <ccoutant@google.com>
6991
6992         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6993
6994         * layout.cc (Layout::include_section): Refactored check for debug
6995         info section.
6996         (Layout::add_comdat): Add new parameters.  Change type
6997         of signature parameter.  Add object and shndx to signatures table.
6998         (Layout::find_kept_object): New function.
6999         * layout.h: Include <cstring>.
7000         (Layout::is_debug_info_section): New function.
7001         (Layout::add_comdat): Add new parameters.
7002         (Layout::find_kept_object): New function.
7003         (Layout::Kept_section): New struct.
7004         (Layout::Signatures): Change type of map range.
7005         * object.cc (Relobj::output_section_address): New function.
7006         (Sized_relobj::include_section_group): Add new parameters.  Change
7007         calls to Layout::add_comdat.  Change to build table of kept comdat
7008         groups and table mapping discarded sections to kept sections.
7009         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
7010         (Sized_relobj::do_layout): Change calls to include_section_group and
7011         include_linkonce_section.
7012         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7013         value to zero when section is discarded.
7014         (Sized_relobj::map_to_kept_section): New function.
7015         * object.h (Relobj::output_section_address): New function.
7016         (Relobj::Comdat_group): New type.
7017         (Relobj::find_comdat_group): New function.
7018         (Relobj::Comdat_group_table): New type.
7019         (Relobj::Kept_comdat_section): New type.
7020         (Relobj::Kept_comdat_section_table): New type.
7021         (Relobj::add_comdat_group): New function.
7022         (Relobj::set_kept_comdat_section): New function.
7023         (Relobj::get_kept_comdat_section): New function.
7024         (Relobj::comdat_groups_): New field.
7025         (Relobj::kept_comdat_sections_): New field.
7026         (Symbol_value::input_value): Update comment.
7027         (Sized_relobj::map_to_kept_section) New function.
7028         (Sized_relobj::include_linkonce_section): Add new parameter.
7029         * target-reloc.h (Comdat_behavior): New type.
7030         (get_comdat_behavior): New function.
7031         (relocate_section): Add code to map a discarded section to the
7032         corresponding kept section when applying a relocation.
7033
7034 2008-04-30  Craig Silverstein  <csilvers@google.com>
7035
7036         * dwarf_reader.cc (next_generation_count): New static var.
7037         (Addr2line_cache_entry): New struct.
7038         (addr2line_cache): New static var.
7039         (Dwarf_line_info::one_addr2line): Added caching.
7040         (Dwarf_line_info::clear_addr2line_cache): New function.
7041         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7042         cache-size parameter.
7043         (Dwarf_line_info::one_addr2line_cache): New function.
7044         * symtab.cc (Symbol_table::detect_odr_violations): Pass
7045         new cache-size argument to one_addr2line(), and clear cache.
7046
7047 2008-04-28  Cary Coutant  <ccoutant@google.com>
7048
7049         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7050         R_386_PC8 relocations.
7051
7052 2008-04-23  Ian Lance Taylor  <iant@google.com>
7053
7054         * object.cc (Sized_relobj::include_section_group): Check for
7055         invalid section group.
7056
7057         * object.cc (make_elf_object): Correct test for 64-bit ELF file
7058         header size.
7059
7060         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7061         than read for file header.
7062         * archive.cc (Archive::include_member): Likewise.
7063
7064 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
7065
7066         * aclocal.m4: Regenerate.
7067         * configure: Regenerate.
7068
7069 2008-04-19  Ian Lance Taylor  <iant@google.com>
7070
7071         * version.cc (version_string): Bump to 1.6.
7072
7073         * testsuite/Makefile.am (many_sections_r_test): New target.
7074         (many_sections_r_test_SOURCES): Remove.
7075         (many_sections_r_test_DEPENDENCIES): Remove.
7076         (many_sections_r_test_LDFLAGS): Remove.
7077         (many_sections_r_test_LDADD): Remove.
7078
7079         * object.cc (Sized_relobj::do_add_symbols): Always pass
7080         local_symbol_count_ to add_from_relobj.
7081
7082         * testsuite/Makefile.am (many_sections_check.h): Only check one in
7083         every thousand variables.
7084         * testsuite/Makefile.in: Rebuild.
7085
7086         * object.cc (Xindex::initialize_symtab_xindex): New function.
7087         (Xindex::read_symtab_xindex): New function.
7088         (Xindex::sym_xindex_to_shndx): New function.
7089         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7090         available.
7091         (Sized_relobj::do_initialize_xindex): New function.
7092         (Sized_relobj::do_read_symbols): Adjust section links.
7093         (Sized_relobj::symbol_section_and_value): Add is_ordinary
7094         parameter.  Change all callers.
7095         (Sized_relobj::include_section_group): Adjust section links and
7096         symbol section indexes.
7097         (Sized_relobj::do_layout): Adjust section links.
7098         (Sized_relobj::do_count_local_symbols): Adjust section links and
7099         symbol section indexes.
7100         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7101         ordinary and special symbols.
7102         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7103         dynsym_xindex parameters.  Change all callers.  Adjust section
7104         links.  Use SHN_XINDEX when needed.
7105         (Sized_relobj::get_symbol_location_info): Adjust section links.
7106         Don't get fooled by special symbols.
7107         * object.h (class Xindex): Define.
7108         (class Object): Add xindex_ parameter.  Declare virtual functoin
7109         do_initialize_xindex.
7110         (Object::adjust_sym_shndx): New function.
7111         (Object::set_xindex): New protected function.
7112         (class Symbol_value): Add is_ordinary_shndx_ field.
7113         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7114         (Symbol_value::value): Assert ordinary section.
7115         (Symbol_value::initialize_input_to_output_map): Likewise.
7116         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7117         Change all callers.
7118         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7119         all callers.
7120         (class Sized_relobj): Update declarations.
7121         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7122         parameter.  Change all callers.
7123         (Sized_relobj::adjust_shndx): New function.
7124         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7125         field.
7126         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7127         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7128         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7129         (Sized_dynobj::read_dynsym_section): Adjust section links.
7130         (Sized_dynobj::read_dynamic): Likewise.
7131         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7132         section links.
7133         (Sized_dynobj::do_initialize_xindex): New function.
7134         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7135         do_initialize_xindex.
7136         (Sized_dynobj::adjust_shndx): New function.
7137         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7138         dynsym_xindex_ fields.
7139         (Layout::finalize): Add a call to set_section_indexes before
7140         creating the symtab sections.
7141         (Layout::set_section_indexes): Don't do anything if the section
7142         already has a section index.
7143         (Layout::create_symtab_sections): Add shnum parameter.  Change
7144         caller.  Create .symtab_shndx section if needed.
7145         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7146         caller.
7147         (Layout::allocated_output_section_count): New function.
7148         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7149         needed.
7150         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7151         fields.  Update declarations.
7152         (Layout::symtab_xindex): New function.
7153         (Layout::dynsym_xindex): New function.
7154         (class Write_symbols_task): Add layout_ field.
7155         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7156         Change caller.
7157         * output.cc (Output_section_headers::Output_section_headers): Add
7158         shstrtab_section parameter.  Change all callers.
7159         (Output_section_headers::do_sized_write): Store overflow values
7160         for section count and section string table section index in
7161         section header zero.
7162         (Output_file_header::do_sized_write): Check for overflow of
7163         section count and section string table section index.
7164         (Output_symtab_xindex::do_write): New function.
7165         (Output_symtab_xindex::endian_do_write): New function.
7166         * output.h (class Output_section_headers): Add shstrtab_section_.
7167         Update declarations.
7168         (class Output_symtab_xindex): Define.
7169         (Output_section::has_out_shndx): New function.
7170         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7171         field.
7172         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7173         Change all callers.
7174         (Sized_symbol::init): Likewise.
7175         (Symbol::output_section): Check for ordinary symbol.
7176         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7177         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7178         callers.
7179         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7180         Change all callers.  Simplify handling of symbols from sections
7181         not included in the link.
7182         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7183         distinction.
7184         (Weak_alias_sorter::operator()): Assert that symbols are
7185         ordinary.
7186         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7187         distinction.
7188         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7189         parameters.  Change all callers.
7190         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7191         symbol distinction.  Use SHN_XINDEX when needed.
7192         (Symbol_table::write_section_symbol): Add symtab_xindex
7193         parameter.  Change all callers.
7194         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7195         SHN_XINDEX when needed.
7196         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7197         declarations.
7198         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7199         (Symbol::is_defined): Check is_ordinary.
7200         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7201         (Symbol::is_absolute, Symbol::is_common): Likewise.
7202         (class Sized_symbol): Update declarations.
7203         (class Symbol_table): Update declarations.
7204         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7205         parameters.  Change all callers.
7206         (Sized_symbol::override): Likewise.
7207         (Symbol_table::override): Likewise.
7208         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7209         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7210         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7211         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7212         to be in an ordinary section.
7213         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7214         object and is_ordinary parameters.  Change all callers.
7215         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7216         Change all callers.  Don't add undefined or non-ordinary symbols
7217         to reloc_map_.
7218         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7219         Change all callers.
7220         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7221         declarations.
7222         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7223         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7224         (Sized_relobj::relocate_sections): Likewise.
7225         * target-reloc.h (scan_relocs): Adjust section symbol index.
7226         (scan_relocatable_relocs): Likewise.
7227         * i386.cc (Scan::local): Check for ordinary symbols.
7228         * sparc.cc (Scan::local): Likewise.
7229         * x86_64.cc (Scan::local): Likewise.
7230         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7231         to symbol_section_and_value.
7232         * testsuite/many_sections_test.cc: New file.
7233         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7234         (check_PROGRAMS): Add many_sections_test.
7235         (many_sections_test_SOURCES): Define.
7236         (many_sections_test_DEPENDENCIES): Define.
7237         (many_sections_test_LDFLAGS): Define.
7238         (BUILT_SOURCES): Add many_sections_define.h.
7239         (many_sections_define.h): New target.
7240         (BUILT_SOURCES): Add many_sections_check.h.
7241         (many_sections_check.h): New target.
7242         (check_PROGRAMS): Add many_sections_r_test.
7243         (many_sections_r_test_SOURCES): Define.
7244         (many_sections_r_test_DEPENDENCIES): Define.
7245         (many_sections_r_test_LDFLAGS): Define.
7246         (many_sections_r_test_LDADD): Define.
7247         (many_sections_r_test.o): New target.
7248         * testsuite/Makefile.in: Rebuild.
7249
7250 2008-04-17  Cary Coutant  <ccoutant@google.com>
7251
7252         * errors.cc (Errors::info): New function.
7253         (gold_info): New function.
7254         * errors.h (Errors::info): New function.
7255         * gold.h (gold_info): New function.
7256         * object.cc (Input_objects::add_object): Print trace output.
7257         * options.cc (options::parse_set): New function.
7258         (General_options::parse_wrap): Deleted.
7259         (General_options::General_options): Deleted initializer.
7260         * options.h (options::String_set): New typedef.
7261         (options::parse_set): New function.
7262         (DEFINE_set): New macro.
7263         (General_options::wrap): Changed to use DEFINE_set. Changed
7264         callers of any_wrap_symbols and is_wrap_symbol.
7265         (General_options::trace, General_options::trace_symbol):
7266         New options.
7267         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7268         (General_options::wrap_symbols_): Deleted.
7269         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7270
7271 2008-04-17  David S. Miller  <davem@davemloft.net>
7272
7273         * options.cc (General_options::parse_V): New function.
7274         * options.h: Add entries for -V and -Qy.
7275
7276 2008-04-17  Ian Lance Taylor  <iant@google.com>
7277
7278         * common.cc (Symbol_table::allocate_commons): Remove options
7279         parameter.  Change caller.
7280         (Symbol_table::do_allocate_commons): Remove options parameter.
7281         Change caller.  Just call do_allocate_commons_list twice.
7282         (Symbol_table::do_allocate_commons_list): New function, broken out
7283         of do_allocate_commons.
7284         * common.h (class Allocate_commons_task): Remove options_ field.
7285         Update constructor.
7286         * symtab.cc (Symbol_table::Symbol_table): Initialize
7287         tls_commons_.
7288         (Symbol_table::add_from_object): Put TLS common symbols on
7289         tls_commons_ list.
7290         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7291         which are IN_OUTPUT_DATA.
7292         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7293         allocate_commons and do_allocate_commons declarations.  Declare
7294         do_allocate_commons_list.
7295         * gold.cc (queue_middle_tasks): Update creation of
7296         Allocate_commons_task to not pass options.
7297         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7298         (TLS_TEST_C_FLAGS): New variable.
7299         (tls_test_c_pic.o): New target.
7300         (tls_test_shared.so): Link in tls_test_c_pic.o.
7301         (tls_test_c_pic_ie.o): New target.
7302         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7303         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7304         (tls_test_c.o): New target.
7305         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7306         (tls_pic_test_LDADD): Likewise.
7307         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7308         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7309         (tls_test_c_gnu2.o): New target.
7310         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7311         tls_test_c_gnu2.o.
7312         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7313         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7314         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7315         * testsuite/tls_test.cc: Include "config.h".
7316         (t_last): Call t11_last.
7317         * testsuite/tls_test.h (t11, t11_last): Declare.
7318         * testsuite/tls_test_c.c: New file.
7319         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7320         * configure.ac: Check for OpenMP support.
7321         * configure, config.in, Makefile.in: Rebuild.
7322         * testsuite/Makefile.in: Rebuild.
7323
7324 2008-04-16  Cary Coutant  <ccoutant@google.com>
7325
7326         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7327         (Target_i386::tls_base_symbol_defined_): New field.
7328         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7329         (Target_i386::Scan::global): Likewise.
7330         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7331         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7332         (Target_x86_64::tls_base_symbol_defined_): New field.
7333         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7334         (Target_x86_64::Scan::global): Likewise.
7335
7336 2008-04-16  Cary Coutant  <ccoutant@google.com>
7337
7338         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7339         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7340         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7341         building shared libraries.
7342         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7343         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7344         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7345         * testsuite/Makefile.in: Rebuild.
7346         * testsuite/weak_undef.h: New file.
7347         * testsuite/weak_undef_file1.cc: Add extra test cases.
7348         * testsuite/weak_undef_file2.cc: Likewise.
7349         * testsuite/weak_undef_test.cc: Likewise.
7350
7351 2008-04-16  David S. Miller  <davem@davemloft.net>
7352
7353         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7354         Add issued_non_pic_error_ field.  Declare check_non_pic.
7355         (Target_sparc::Scan::check_non_pic): New function.
7356         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7357         (Target_sparc::Scan::global): Likewise.
7358
7359         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7360         * configure: Rebuild.
7361
7362         * options.h (DEFINE_enable): New macro.
7363         (new_dtags): New enable option.
7364         (initfirst, interpose, loadfltr, nodefaultlib,
7365         nodelete, nodlopen, nodump): New -z options.
7366         * layout.cc (Layout:finish_dynamic_section): If new
7367         dtags enabled, emit DT_RUNPATH.  Also, emit a
7368         DT_FLAGS_1 containing any specified -z flags.
7369
7370 2008-04-16  Ian Lance Taylor  <iant@google.com>
7371
7372         * copy-relocs.cc: New file.
7373         * copy-relocs.h: New file.
7374         * reloc.cc: Remove Copy_relocs code.
7375         * reloc.h: Likewise.
7376         * reloc-types.h (struct Reloc_types) [both versions]: Add
7377         get_reloc_addend_noerror.
7378         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7379         variants of add_global which take an addend which must be zero.
7380         * i386.cc: Include "copy-relocs.h".
7381         (class Target_i386): Change type of copy_relocs_ to variable,
7382         update initializer.
7383         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7384         Change all callers.
7385         (Target_i386::do_finalize_sections): Change handling of
7386         copy_relocs_.
7387         * sparc.cc: Include "copy-relocs.h".
7388         (class Target_sparc): Change type of copy_relocs_ to variable,
7389         update initializer.
7390         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7391         Change all callers.
7392         (Target_sparc::do_finalize_sections): Change handling of
7393         copy_relocs_.
7394         * x86_64.cc: Include "copy-relocs.h".
7395         (class Target_x86_64): Change type of copy_relocs_ to variable,
7396         update initializer.
7397         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7398         class.  Change all callers.
7399         (Target_x86_64::do_finalize_sections): Change handling of
7400         copy_relocs_.
7401         * Makefile.am (CCFILES): Add copy-relocs.cc.
7402         (HFILES): Add copy-relocs.h.
7403
7404         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7405
7406         * testsuite/script_test_4.sh: Permit leading zeroes.
7407
7408 2008-04-15  Ian Lance Taylor  <iant@google.com>
7409
7410         * script-sections.cc (Script_sections::create_segments): Use
7411         header_size_adjustment even when there is enough room for the
7412         headers.
7413         * testsuite/script_test_4.sh: New file.
7414         * testsuite/script_test_4.t: New file.
7415         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7416         (check_DATA): Add script_test_4.stdout.
7417         (MOSTLYCLEANFILES): Likewise.
7418         (script_test_4): New target.
7419         (script_test_4.stdout): New target.
7420         * testsuite/Makefile.in: Rebuild.
7421
7422         * sparc.cc: Add definitions for Output_data_plt_sparc class
7423         constants.
7424
7425 2008-04-14  David S. Miller  <davem@davemloft.net>
7426
7427         * sparc.cc: New file.
7428         * Makefile.am (TARGETSOURCES): Add sparc.cc
7429         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7430         * configure.tgt: Document targ_extra_size and
7431         targ_extra_big_endian.  Add entries for sparc-* and
7432         sparc64-*.
7433         * configure.ac: Handle targ_extra_size and
7434         targ_extra_big_endian.
7435         * Makefile.in: Rebuild.
7436         * configure: Likewise.
7437         * po/POTFILES.in: Likewise.
7438         * po/gold.pot: Likewise.
7439
7440 2008-04-14  Ian Lance Taylor  <iant@google.com>
7441
7442         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7443         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7444         in the name/type/flags to section mapping.  Don't call
7445         allocate_output_section.
7446         (Layout::choose_output_section): Change parameter from adjust_name
7447         to is_input_section.  Don't permit input sections after sections
7448         are attached to segments.  Don't call allocate_output_section.
7449         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7450         not write_enable_output_section.
7451         (Layout::make_output_section): Don't push to
7452         unattached_section_list_ nor call attach_to_segment.  Call
7453         attach_section_to_segment if sections are attached.
7454         (Layout::attach_sections_to_segments): New function.
7455         (Layout::attach_section_to_segment): New function.
7456         (Layout::attach_allocated_section_to_segment): Rename from
7457         attach_to_segment.  Remove flags parameter.
7458         (Layout::allocate_output_section): Remove function.
7459         (Layout::write_enable_output_section): Remove function.
7460         * layout.h (class Layout): Update for above changes.  Add new
7461         field sections_are_attached_.
7462         * output.h (Output_section::update_flags_for_input_section): New
7463         function.
7464         * output.cc (Output_section::add_input_section): Call
7465         update_flags_for_input_section.
7466         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7467
7468 2008-04-11  Cary Coutant  <ccoutant@google.com>
7469
7470         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7471         thought unnecessary.
7472         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7473
7474 2008-04-11  Ian Lance Taylor  <iant@google.com>
7475
7476         * output.h (class Output_section_data): Remove inline definition
7477         of set_addralign.
7478         * output.cc (Output_section_data::set_addralign): New function.
7479
7480 2008-04-11  Cary Coutant  <ccoutant@google.com>
7481
7482         Add support for TLS descriptors for i386 and x86_64.
7483         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7484         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7485         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7486         GOT_TYPE_TLS_DESC.
7487         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7488         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7489         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7490         relocations.
7491         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7492         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7493         Fix problem with initial-exec relocations.
7494         (Target_i386::Relocate::relocate_tls): Likewise.
7495         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7496         relaxation.
7497         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7498         support for section-plus-offset dynamic table entries.
7499         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7500         (Output_data_dynamic::Dynamic_entry): Add support for
7501         section-plus-offset dynamic table entries.
7502         (Output_data_dynamic::Classification): Likewise.
7503         (Output_data_dynamic::classification_): Renamed offset_.
7504         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7505         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7506         (Target_x86_64::make_plt_section): New function.
7507         (Target_x86_64::reserve_tlsdesc_entries): New function.
7508         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7509         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7510         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7511         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7512         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7513         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7514         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7515         add extra PLT entry for TLS descriptors.
7516         (Output_data_plt_x86_64::got_): New field.
7517         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7518         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7519         fields.
7520         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7521         descriptors.
7522         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7523         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7524         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7525         R_386_TLS_DESC_CALL relocations.
7526         (Target_x86_64::Scan::global): Likewise.
7527         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7528         for TLS descriptors.
7529         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7530         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7531         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7532         GD-to-IE relaxation.
7533         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7534         and TLS_DESCRIPTORS.
7535         * Makefile.in: Rebuild.
7536         * configure: Rebuild.
7537         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7538         (tls_test_shared2.so): New target.
7539         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7540         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7541         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7542         (tls_shared_gd_to_ie_test_LDADD): New variable.
7543         (tls_shared_gnu2_gd_to_ie_test): New target.
7544         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7545         New targets.
7546         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7547         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7548         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7549         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7550         (tls_shared_gnu2_test): New target.
7551         (tls_test_gnu2_shared.so): New target.
7552         (tls_shared_gnu2_test_SOURCES): New variable.
7553         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7554         (tls_shared_gnu2_test_LDFLAGS): New variable.
7555         (tls_shared_gnu2_test_LDADD): New variable.
7556         * testsuite/Makefile.in: Rebuild.
7557         * testsuite/Makefile.
7558
7559 2008-04-11  Ian Lance Taylor  <iant@google.com>
7560
7561         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7562         justsyms.t.
7563         * testsuite/Makefile.in: Rebuild.
7564
7565         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7566         long.
7567         * testsuite/script_test_2.cc (main): Adjust test.
7568
7569 2008-04-11  David S. Miller  <davem@davemloft.net>
7570             Ian Lance Taylor  <iant@google.com>
7571
7572         * options.h (General_options): Add entries for '-Y' and
7573         '-relax'.
7574         * options.cc (General_options:finalize): If -Y was used, add those
7575         entries to the library path instead of the default "/lib" and
7576         "/usr/lib".
7577
7578 2008-04-11  David S. Miller  <davem@davemloft.net>
7579
7580         * testsuite/justsyms.t: Start at 0x100.
7581         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7582         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7583         long.
7584         * testsuite/script_test_2.cc: Adjust string and section length
7585         checks.
7586
7587 2008-04-09  Ian Lance Taylor  <iant@google.com>
7588
7589         PR gold/5996
7590         * script-sections.cc (Sections_element::allocate_to_segment): Add
7591         orphan parameter.
7592         (Output_section_definition::allocate_to_segment): Likewise.
7593         (Orphan_output_section::allocate_to_segment): Likewise.
7594         (Script_sections::attach_sections_using_phdrs_clause): Don't
7595         propagate non-PT_LOAD segments to orphan sections.
7596         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7597         readelf rather than objdump.
7598         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7599         .interp section and PT_INTERP segment are the same size.
7600         * testsuite/Makefile.in: Rebuild.
7601
7602         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7603         aliases for symbols defined in the same object.
7604         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7605         (weak_alias_test_SOURCES): New variable.
7606         (weak_alias_test_DEPENDENCIES): New variable.
7607         (weak_alias_test_LDFLAGS): New variable.
7608         (weak_alias_test_LDADD): New variable.
7609         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7610         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7611         (weak_alias_test_3.o): New target.
7612         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7613         * testsuite/weak_alias_test_main.cc: New file.
7614         * testsuite/weak_alias_test_1.cc: New file.
7615         * testsuite/weak_alias_test_2.cc: New file.
7616         * testsuite/weak_alias_test_3.cc: New file.
7617
7618 2008-04-08  Ian Lance Taylor  <iant@google.com>
7619
7620         * options.h (class General_options): Add --noinhibit-exec option.
7621         * main.cc (main): Check --noinhibit-exec.
7622
7623         * options.h (class General_options): Define --wrap as a special
7624         option.  Add wrap_symbols_ field.
7625         (General_options::any_wrap_symbols): New function.
7626         (General_options::is_wrap_symbol): New function.
7627         * options.cc (General_options::parse_wrap): New function.
7628         (General_options::General_options): Initialize wrap_symbols_.
7629         * symtab.cc (Symbol_table::wrap_symbol): New function.
7630         (Symbol_table::add_from_object): Handle --wrap.
7631         * symtab.h (class Symbol_table): Declare wrap_symbol.
7632         * target.h (Target::wrap_char): New function.
7633         (Target::Target_info): Add wrap_char field.
7634         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7635         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7636         * testsuite/testfile.cc (Target_test::test_target_info):
7637         Likewise.
7638
7639         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7640         there is one.
7641
7642         * layout.h (class Layout): Add added_eh_frame_data_ field.
7643         * layout.cc (Layout::Layout): Initialize new field.
7644         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7645         output section until we find a section we merged successfully.
7646         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7647         that the size be non-zero.
7648
7649         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7650         qualifier.
7651
7652 2008-04-08  Craig Silverstein  <csilvers@google.com>
7653
7654         * configure.ac: Export new conditional variable HAVE_ZLIB.
7655         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7656         on HAVE_ZLIB.
7657         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7658         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7659
7660 2008-04-07  Ian Lance Taylor  <iant@google.com>
7661
7662         * version.cc (version_string): Set to "1.5".
7663
7664         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7665         Add issued_non_pic_error_ field.  Declare check_non_pic.
7666         (Target_x86_64::Scan::check_non_pic): New function.
7667         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7668         (Target_x86_64::Scan::global): Likewise.
7669
7670         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7671         addend parameter.  Change caller.  Handle merge sections.
7672         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7673         Address to Addend.  Don't add in the result of
7674         local_section_offset, pass down the addend and use the returned
7675         value.
7676         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7677         Update declarations of local_section_offset and symbol_value.
7678         * testsuite/two_file_test_1.cc (t18): New function.
7679         * testsuite/two_file_test_2.cc (f18): New function.
7680         * testsuite/two_file_test_main.cc (main): Call t18.
7681         * testsuite/two_file_test.h (t18, f18): Declare.
7682
7683         * configure.ac: Don't test for objdump, c++filt, or readelf.
7684         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7685         conditionals.
7686         (TEST_READELF): New variable.
7687         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7688         (check_PROGRAMS): Add two_file_strip_test.
7689         (two_file_strip_test): New target.
7690         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7691         (two_file_same_shared_strip_test_SOURCES): New variable.
7692         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7693         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7694         (two_file_same_shared_strip_test_LDADD): New variable.
7695         (two_file_shared_strip.so): New target.
7696         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7697         (ver_test_5.syms, ver_test_7.syms): Likewise.
7698         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7699         (strip_test_3.stdout): Use TEST_OBJDUMP.
7700         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7701
7702 2008-04-04  Cary Coutant  <ccoutant@google.com>
7703
7704         * symtab.h (Symbol::is_weak_undefined): New function.
7705         (Symbol::is_strong_undefined): New function.
7706         (Symbol::is_absolute): New function.
7707         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7708         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7709         absolute symbols.
7710         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7711         (weak_undef_test): New target.
7712         * testsuite/Makefile.in: Rebuild.
7713         * testsuite/weak_undef_file1.cc: New file.
7714         * testsuite/weak_undef_file2.cc: New file.
7715         * testsuite/weak_undef_test.cc: New file.
7716
7717 2008-04-03  Craig Silverstein  <csilvers@google.com>
7718
7719         * compressed_output.h (class Output_compressed_section): Use
7720         unsigned buffer.
7721         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7722         add zlib header.
7723         (zlib_compressed_suffix): Removed.
7724         (Output_compressed_section::set_final_data_size): Use unsigned
7725         buffers.
7726         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7727         Fix linker invocation.
7728         (flagstest_o_specialfile_and_compress_debug_sections):
7729         Likewise.
7730         * testsuite/Makefile.in: Regenerated.
7731
7732 2008-04-02  David S. Miller  <davem@davemloft.net>
7733
7734         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7735         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7736
7737 2008-04-02  Craig Silverstein  <csilvers@google.com>
7738
7739         * TODO: New file.
7740
7741 2008-04-02  Ian Lance Taylor  <iant@google.com>
7742
7743         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7744         parameters.  Update for new key type to views_.  Change all
7745         callers.
7746         (File_read::read): Adjust for byteshift in returned view.
7747         (File_read::add_view): New function, broken out of
7748         find_and_make_view.
7749         (File_read::make_view): New function, broken out of
7750         find_and_make_view.
7751         (File_read::find_or_make_view): Add offset and aligned
7752         parameters.  Rewrite accordingly.  Change all callers.
7753         (File_read::get_view): Add offset and aligned parameters.  Adjust
7754         for byteshift in return value.
7755         (File_read::get_lasting_view): Likewise.
7756         * fileread.h (class File_read): Update declarations.
7757         (class File_read::View): Add byteshift_ field.  Add byteshift to
7758         constructor.  Add byteshift method.
7759         * archive.h (Archive::clear_uncached_views): New function.
7760         (Archive::get_view): Add aligned parameter.  Change all callers.
7761         * object.h (Object::get_view): Add aligned parameter.  Change all
7762         callers.
7763         (Object::get_lasting_view): Likewise.
7764
7765         * fileread.cc (File_read::release): Don't call clear_views if
7766         there are multiple objects.
7767         * fileread.h (File_read::clear_uncached_views): New function.
7768         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7769         on the archive.
7770
7771 2008-03-31  Cary Coutant  <ccoutant@google.com>
7772
7773         Add thin archive support.
7774         * archive.cc (Archive::armagt): New const.
7775         (Archive::setup): Remove task parameter and calls to unlock.
7776         (Archive::unlock_nested_archives): New function.
7777         (Archive::read_header): Add nested_off parameter. Change
7778         all callers.
7779         (Archive::interpret_header): Likewise.
7780         (Archive::include_all_members): Change to handle thin
7781         archives.
7782         (Archive::include_member): Likewise.
7783         * archive.h (Archive::Archive): Add new parameters and
7784         initializers.
7785         (Archive::armagt): New const.
7786         (Archive::setup): Remove task parameter.
7787         (Archive::unlock_nested_archives): New function.
7788         (Archive::read_header): Add nested_off parameter.
7789         (Archive::interpret_header): Likewise.
7790         (Archive::Nested_archive_table): New typedef.
7791         (Archive::is_thin_archive_): New field.
7792         (Archive::nested_archives_): New field.
7793         (Archive::options_): New field.
7794         (Archive::dirpath_): New field.
7795         (Archive::task_): New field.
7796         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7797         for thin archives.  Pass additional parameters to
7798         Archive::Archive.  Unlock the archive file after calling
7799         Archive::setup.
7800
7801 2008-03-29  Ian Lance Taylor  <iant@google.com>
7802
7803         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7804         version symbol to be local.
7805         * testsuite/ver_test_4.sh: New file.
7806         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7807         (check_DATA): Add ver_test_4.syms.
7808         (ver_test_4.syms): New target.
7809         * testsuite/Makefile.in: Rebuild.
7810
7811         * output.cc
7812         (Output_section::Input_section_sort_entry::has_priority): New
7813         function.
7814         (Output_section::Input_section_sort_entry::match_file_name): New
7815         function.
7816         (Output_section::Input_section_sort_entry::match_section_name):
7817         Remove.
7818         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7819         Remove.
7820         (Output_section::Input_section_sort_entry::match_section_file):
7821         Remove.
7822         (Output_section::Input_section_sort_compare::operator()): Rewrite
7823         using new Input_section_sort_entry functions.  Sort crtbegin and
7824         crtend first.  Sort sections with no priority before sections with
7825         a priority.
7826         * testsuite/initpri1.c (d3): Check j != 4.
7827         (cd5): New constructor/destructor function.
7828         (main): Check j != 2.
7829
7830         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7831         new symbol when resolving, don't call set_is_default.
7832         * testsuite/ver_test_7.cc: New file.
7833         * testsuite/ver_test_7.sh: New file.
7834         * testsuite/Makefile.am (ver_test_7.so): New target.
7835         (ver_test_7.o): New target.
7836         (check_SCRIPTS): Add ver_test_7.sh.
7837         (check_DATA): Add ver_test_7.syms.
7838         (ver_test_7.syms): New target.
7839
7840 2008-03-28  Ian Lance Taylor  <iant@google.com>
7841
7842         * layout.cc (Layout::layout): If we see an input section with a
7843         name that needs sorting, set the must_sort flag for the output
7844         section.
7845         (Layout::make_output_section): If the name of the output section
7846         indicates that it might require sorting, set the may_sort flag.
7847         * output.h (Output_section::may_sort_attached_input_sections): New
7848         function.
7849         (Output_section::set_may_sort_attached_input_sections): New
7850         function.
7851         (Output_section::must_sort_attached_input_sections): New
7852         function.
7853         (Output_section::set_must_sort_attached_input_sections): New
7854         function.
7855         (class Output_section): Declare Input_section_sort_entry.  Define
7856         Input_section_sort_compare.  Declare
7857         sort_attached_input_sections.  Add new fields:
7858         may_sort_attached_input_sections_,
7859         must_sort_attached_input_sections_,
7860         attached_input_sections_are_sorted_.
7861         * output.cc (Output_section::Output_section): Initialize new
7862         fields.
7863         (Output_section::add_input_section): Add an entry to
7864         input_sections_ if may_sort or must_sort are true.
7865         (Output_section::set_final_data_size): Call
7866         sort_attached_input_sections if necessary.
7867         (Output_section::Input_section_sort_entry): Define new class.
7868         (Output_section::Input_section_sort_compare::operator()): New
7869         function.
7870         (Output_section::sort_attached_input_sections): New function.
7871         * configure.ac: Check whether the compiler supports constructor
7872         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7873         * testsuite/initpri1.c: New file.
7874         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7875         CONSTRUCTOR_PRIORITY.
7876         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7877         (initpri1_LDFLAGS): New variable.
7878         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7879
7880 2008-03-27  Ian Lance Taylor  <iant@google.com>
7881
7882         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7883         * testsuite/common_test_1.c: New file.
7884         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7885         (common_test_1_SOURCES): New variable.
7886         (common_test_1_DEPENDENCIES): New variable.
7887         (common_test_1_LDFLAGS): New variable.
7888
7889         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7890         and commons_ correctly when NAME/VERSION does not override
7891         NAME/NULL.
7892         * testsuite/ver_test_6.c: New file.
7893         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7894         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7895         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7896
7897 2008-03-26  Ian Lance Taylor  <iant@google.com>
7898
7899         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7900         of an undefined symbol from a version script.
7901         * testsuite/Makefile.am (ver_test_5.so): New target.
7902         (ver_test_5.o): New target.
7903         (check_SCRIPTS): Add ver_test_5.sh.
7904         (check_DATA): Add ver_test_5.syms.
7905         (ver_test_5.syms): New target.
7906         * testsuite/ver_test_5.cc: New file.
7907         * testsuite/ver_test_5.script: New file.
7908         * testsuite/ver_test_5.sh: New file.
7909         * Makefile.in, testsuite/Makefile.in: Rebuild.
7910
7911         PR gold/5986
7912         Fix problems building gold with gcc 4.3.0.
7913         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7914         (gold_error_at_location, gold_warning_at_location): Use it.
7915         * configure.ac: Check whether we can compile and use a template
7916         function with a printf attribute.
7917         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7918         when jumping over bytes.
7919         * object.cc: Instantiate Object::read_section_data.
7920         * debug.h: Include <cstring>
7921         * dwarf_reader.cc: Include <algorithm>
7922         * main.cc: Include <cstring>.
7923         * options.cc: Include <cstring>.
7924         * output.cc: Include <cstring>.
7925         * script.cc: Include <cstring>.
7926         * script.h: Include <string>.
7927         * symtab.cc: Include <cstring> and <algorithm>.
7928         * target-select.cc: Include <cstring>.
7929         * version.cc: Include <string>.
7930         * testsuite/testmain.cc: Include <cstdlib>.
7931         * configure, config.in: Rebuild.
7932
7933 2008-03-25  Ian Lance Taylor  <iant@google.com>
7934
7935         * options.cc: Include "../bfd/bfdver.h".
7936         (options::help): Print bug reporting address.
7937
7938         * version.cc (print_version): Adjust output for current value of
7939         BFD_VERSION_STRING.
7940
7941         * NEWS: New file.
7942
7943         * options.cc (options::help): Print list of supported targets.
7944         * target-select.h: Include <vector>.
7945         (class Target_selector): Make machine_, size_, and is_big_endian_
7946         fields const.  Add bfd_name_ and instantiated_target_ fields.
7947         (Target_selector::Target_selector): Add bfd_name parameter.
7948         (Target_selector::recognize): Make non-virtual, call
7949         do_recognize.
7950         (Target_selector::recognize_by_name): Make non-virtual, call
7951         do_recognize_by_name.
7952         (Target_selector::supported_names): New function.
7953         (Target_selector::bfd_name): New function.
7954         (Target_selector::do_instantiate_target): New pure virtual
7955         function.
7956         (Target_selector::do_recognize): New virtual function.
7957         (Target_selector::do_recognize_by_name): New virtual function.
7958         (Target_selector::instantiate_target): New private function.
7959         (supported_target_names): Declare.
7960         * target-select.cc (Target_selector::Target_selector): Update for
7961         new parameter and fields.
7962         (select_target_by_name): Check that the name matches before
7963         calling recognize_by_name.
7964         (supported_target_names): New function.
7965         * i386.cc (class Target_selector_i386): Update Target_selector
7966         constructor call.  Remove recognize and recognize_by_name.  Add
7967         do_instantiate_target.
7968         * x86_64.cc (class Target_selector_x86_64): Likewise.
7969         * testsuite/testfile.cc (class Target_selector_test): Update for
7970         changes to Target_selector.
7971
7972         * README: Rewrite, with some notes on unsupported features.
7973
7974 2008-03-24  Cary Coutant  <ccoutant@google.com>
7975
7976         * i386.cc (Target_i386::Got_type): New enum declaration.
7977         (Target_i386::Scan::local): Updated callers of Output_data_got
7978         member functions.
7979         (Target_i386::Scan::global): Likewise.
7980         (Target_i386::Relocate::relocate): Likewise.
7981         (Target_i386::Relocate::relocate_tls): Likewise.
7982         * object.h (Got_offset_list): New class.
7983         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7984         (Sized_relobj::local_got_offset): Likewise.
7985         (Sized_relobj::set_local_got_offset): Likewise.
7986         (Sized_relobj::local_has_tls_got_offset): Removed.
7987         (Sized_relobj::local_tls_got_offset): Removed.
7988         (Sized_relobj::set_local_tls_got_offset): Removed.
7989         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7990         * output.cc (Output_data_got::add_global): Added got_type parameter.
7991         (Output_data_got::add_global_with_rel): Likewise.
7992         (Output_data_got::add_global_with_rela): Likewise.
7993         (Output_data_got::add_global_pair_with_rel): New function.
7994         (Output_data_got::add_global_pair_with_rela): New function.
7995         (Output_data_got::add_local): Added got_type parameter.
7996         (Output_data_got::add_local_with_rel): Likewise.
7997         (Output_data_got::add_local_with_rela): Likewise.
7998         (Output_data_got::add_local_pair_with_rel): New function.
7999         (Output_data_got::add_local_pair_with_rela): New function.
8000         (Output_data_got::add_global_tls): Removed.
8001         (Output_data_got::add_global_tls_with_rel): Removed.
8002         (Output_data_got::add_global_tls_with_rela): Removed.
8003         (Output_data_got::add_local_tls): Removed.
8004         (Output_data_got::add_local_tls_with_rel): Removed.
8005         (Output_data_got::add_local_tls_with_rela): Removed.
8006         * output.h (Output_data_got::add_global): Added got_type parameter.
8007         (Output_data_got::add_global_with_rel): Likewise.
8008         (Output_data_got::add_global_with_rela): Likewise.
8009         (Output_data_got::add_global_pair_with_rel): New function.
8010         (Output_data_got::add_global_pair_with_rela): New function.
8011         (Output_data_got::add_local): Added got_type parameter.
8012         (Output_data_got::add_local_with_rel): Likewise.
8013         (Output_data_got::add_local_with_rela): Likewise.
8014         (Output_data_got::add_local_pair_with_rel): New function.
8015         (Output_data_got::add_local_pair_with_rela): New function.
8016         (Output_data_got::add_global_tls): Removed.
8017         (Output_data_got::add_global_tls_with_rel): Removed.
8018         (Output_data_got::add_global_tls_with_rela): Removed.
8019         (Output_data_got::add_local_tls): Removed.
8020         (Output_data_got::add_local_tls_with_rel): Removed.
8021         (Output_data_got::add_local_tls_with_rela): Removed.
8022         * resolve.cc (Symbol::override_base_with_special): Removed
8023         reference to has_got_offset_ field.
8024         * symtab.cc (Symbol::init_fields): Replaced initialization
8025         of got_offset_ with got_offsets_.  Removed initialization
8026         of has_got_offset_
8027         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
8028         (Symbol::got_offset): Likewise.
8029         (Symbol::set_got_offset): Likewise.
8030         (Symbol::has_tls_got_offset): Removed.
8031         (Symbol::tls_got_offset): Removed.
8032         (Symbol::set_tls_got_offset): Removed.
8033         (Symbol::got_offset_): Removed.
8034         (Symbol::tls_mod_got_offset_): Removed.
8035         (Symbol::tls_pair_got_offset_): Removed.
8036         (Symbol::got_offsets_): New field.
8037         (Symbol::has_got_offset): Removed.
8038         (Symbol::has_tls_mod_got_offset): Removed.
8039         (Symbol::has_tls_pair_got_offset): Removed.
8040         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8041         (Target_x86_64::Scan::local): Updated callers of Output_data_got
8042         member functions.
8043         (Target_x86_64::Scan::global): Likewise.
8044         (Target_x86_64::Relocate::relocate): Likewise.
8045         (Target_x86_64::Relocate::relocate_tls): Likewise.
8046
8047 2008-03-25  Ben Elliston  <bje@au.ibm.com>
8048
8049         * yyscript.y: Fix spelling error in comment.
8050
8051 2008-03-24  Ian Lance Taylor  <iant@google.com>
8052
8053         * options.h (class General_options): Define build_id option.
8054         * layout.h (class Layout): Declare write_build_id, create_note,
8055         create_build_id.  Add build_id_note_ member.
8056         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8057         "libiberty.h", "md5.h", "sha1.h".
8058         (Layout::Layout): Initialize eh_frame_data_,
8059         eh_frame_hdr_section_, and build_id_note_.
8060         (Layout::finalize): Call create_build_id.
8061         (Layout::create_note): New function, broken out of
8062         Layout::create_gold_note.
8063         (Layout::create_gold_note): Call create_note.
8064         (Layout::create_build_id): New function.
8065         (Layout::write_build_id): New function.
8066         (Close_task_runner::run): Call write_build_id.
8067
8068         * x86_64.cc: Correct license to GPLv3.
8069
8070 2008-03-23  Ian Lance Taylor  <iant@google.com>
8071
8072         * options.cc: Include "demangle.h".
8073         (parse_optional_string): New function.
8074         (parse_long_option): Handle takes_optional_argument.
8075         (parse_short_option): Update dash_z initializer.  Handle
8076         takes_optional_argument.
8077         (General_options::General_options): Initialize do_demangle_.
8078         (General_options::finalize): Set do_demangle_.  Handle demangling
8079         style.
8080         * options.h (parse_optional_string): Declare.
8081         (struct One_option): Add optional_arg field.  Update constructor.
8082         Update call constructor calls.  Add takes_optional_argument
8083         function.
8084         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
8085         (DEFINE_optional_string): Define.
8086         (General_options::demangle): Change from DEFINE_bool to
8087         DEFINE_optional_string.
8088         (General_options::no_demangle): New function.
8089         (General_options::do_demangle): New function.
8090         (General_options::set_do_demangle): New function.
8091         (General_options::execstack_status_): Move definition to end of
8092         class definition.
8093         (General_options::static_): Likewise.
8094         (General_options::do_demangle_): New field.
8095         * object.cc (big_endian>::get_symbol_location_info): Call
8096         Options::do_demangle, not Options::demangle.
8097         * symtab.cc (demangle): Likewise.
8098
8099 2008-03-22  Ian Lance Taylor  <iant@google.com>
8100
8101         * gold.h: Include <cstddef> and <sys/types.h>
8102         * options.h: Include <cstring>.
8103
8104 2008-03-21  Ian Lance Taylor  <iant@google.com>
8105
8106         * Added source code to GNU binutils.