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