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[deliverable/binutils-gdb.git] / gold / ChangeLog
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bcba9aec
RÁE		 12009-11-24 Rafael Avila de Espindola <espindola@google.com>
2
3 * incremental.cc (Incremental_inputs_header,
4 Incremental_inputs_header_write, Incremental_inputs_entry,
5 Incremental_inputs_entry_write): Add a typedef with the data type.
6
7c3afe08
RÁE		 72009-11-24 Rafael Avila de Espindola <espindola@google.com>
8
9 * incremental.cc (Incremental_inputs_header,
10 Incremental_inputs_header_write, Incremental_inputs_entry,
11 Incremental_inputs_entry_write): Update comment about which
12 type has the filed descriptions.
13
d204b6e9
DK		 142009-11-15 Doug Kwan <dougkwan@google.com>
15
16 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
17 (Arm_relocate_functions::arm_branch_common): Change method defintion
18 in class definition to a method declaration and update list of formal
19 parameters.
20 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
21 Arm_relocation_functions::jump24): Adjust call to
22 Arm_relocate_functions::arm_branch_common. Update list of formal
23 parameters.
24 (Arm_relocate_functions::xpc25): New method definition.
25 (Arm_relocate_functions::arm_branch_common): Move method defintion
26 out from class definition. Use stubs for mode-switching and extending
27 branch ranges.
28 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
29 specially. Change code to enable use of stubs in ARM branches.
30
43d12afe
DK		 312009-11-10 Doug Kwan <dougkwan@google.com>
32
33 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
34 in method declaration.
35 (Target_arm::relocate_stub): New method declaration.
36 (Target_arm::default_target): Change to return a pointer instead of
37 a const reference.
38 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
39 Target_arm::default_target.
40 (Arm_Relobj::do_relocate_sections): Remove options paramater in
41 method definition.
42 (Target_arm::relocate_section): Adjust view.
43 (Target_arm::relocate_stub): New method definition.
44
ac33a407
DK		 452009-11-10 Doug Kwan <dougkwan@google.com>
46
47 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
48 a format warning.
49 * incremental.cc (open_incremental_binary): Initialized local
50 variables to avoid warnings.
51 * object.cc (make_elf_object): Ditto.
52 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
53 a format warning.
54
88ee28e9
L		 55009-11-09 H.J. Lu <hongjiu.lu@intel.com>
56
57 PR gold/10930
58 * testsuite/plugin_test.c: Include "config.h".
59
2daedcd6
DK		 602009-11-09 Doug Kwan <dougkwan@google.com>
61
62 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
63 (arm_symbol_value): Remove.
64 (Arm_relocate_functions::arm_branch_common,
65 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
66 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
67 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
68 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
69 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
70 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
71 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
72 Arm_relocate_functions::thm_mobw_abs_nc,
73 Arm_relocate_functions::thm_mov_abs,
74 Arm_relocate_functions::movw_prel_nc,
75 Arm_relocate_functions::thm_movt_abs,
76 Arm_relocate_functions::movt_prel,
77 Arm_relocate_functions::thm_movw_prel_nc,
78 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
79 (Target_arm::Relocate::relocate): Only decompose address into two
80 parts if relocation type uses the thumb-bit and pass the actual
81 bit instead of a flag indicating that the thumb-bit is used. Adjust
82 calls to methods in Arm_relocate_functions for this change.
83
3e4afc80
ILT		 842009-11-08 Ian Lance Taylor <ian@airs.com>
85
86 PR 10925
87 * reloc.cc: Instantiate
88 Sized_relobj::initialize_input_to_output_maps and
89 Sized_relobj:free_input_to_output_maps.
90
e53ad1b5
ILT		 912009-11-06 Ian Lance Taylor <iant@google.com>
92
93 PR 10876
94 * defstd.cc (in_segment): Set only_if_ref true for "end".
95
eb44217c
DK		 962009-11-06 Doug Kwan <dougkwan@google.com>
97
98 * arm.cc (class Reloc_stub): Correct a comment.
99 (Target_arm::Target_arm): Initialize arm_input_section_map_.
100 (Target_arm::scan_section_for_stubs): New method declaration.
101 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
102 Change methods from private to protected.
103 (Target_arm::do_may_relax): New method definition.
104 (Target_arm::do_relax, Target_arm::group_sections,
105 Target_arm::scan_reloc_for_stub,
106 Target_arm::scan_reloc_section_for_stubs): New method declarations.
107 (Target_arm::arm_input_section_map_): New data member declaration.
108 (Target_arm::scan_reloc_for_stub,
109 Target_arm::scan_reloc_section_for_stubs,
110 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
111 Target_arm::do_relax): New method definitions.
112
5d329b7d
ILT		 1132009-11-06 Mikolaj Zalewski <mikolaj@google.com>
114
115 * configure.ac: Check for (struct stat)::st_mtim
116 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
117 * config.in: Regenerate.
118 * configure: Regenerate.
119
96a0d71b
ILT		 1202009-11-05 Ian Lance Taylor <iant@google.com>
121
122 PR 10910
123 * output.cc (Output_segment::add_output_section): Add missing
124 return statement.
125
594c8e5e
ILT		 1262009-11-04 Ian Lance Taylor <iant@google.com>
127
128 PR 10880
129 * object.h (class Object): Add is_needed and set_is_needed
130 methods. Add is_needed_ field. Make bool fields into bitfields.
131 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
132 defined in a dynamic object and referenced by a regular object,
133 set is_needed for the dynamic object.
134 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
135 if the file is marked with as_needed and it is not needed.
136
22b127cc
ILT		 1372009-11-04 Ian Lance Taylor <iant@google.com>
138
139 PR 10887
140 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
141 tags if data is discarded by linker script.
142 * i386.cc (Target_i386::do_finalize_sections): Likewise.
143 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
144 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
145 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
146
f5c870d2
ILT		 1472009-11-04 Ian Lance Taylor <iant@google.com>
148
149 * layout.cc (Layout::get_output_section): Add is_interp and
150 is_dynamic_linker_section parameters. Change all callers.
151 (Layout::choose_output_section): Likewise.
152 (Layout::make_output_section): Likewise.
153 (Layout::add_output_section_data): Add is_dynamic_linker_section
154 parameter. Change all callers.
155 * layout.h (class Layout): Update declarations.
156 * output.h (class Output_section): Add is_interp, set_is_interp,
157 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
158 Add is_interp_, is_dynamic_linker_section_ fields. Change
159 generate_code_fills_at_write_ to a bitfield.
160 * output.cc (Output_section::Output_sections): Initialize new
161 fields.
162 (Output_segment::add_output_section): Add do_sort parameter.
163 Change all callers.
164
1ae4d23b
ILT		 1652009-11-03 Ian Lance Taylor <iant@google.com>
166
167 PR 10860
168 * options.h (class General_options): Add --warn-common.
169 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
170 merging two common symbols.
171 (Symbol_table::should_override): Handle --warn-common when merging
172 a common symbol with a defined symbol. Use report_resolve_problem
173 for multiple definitions.
174 (Symbol_table::report_resolve_problem): New function.
175 * symtab.h (class Symbol_table): Declare report_resolve_problem.
176
55da9579
DK		 1772009-11-03 Doug Kwan <dougkwan@google.com>
178
179 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
180 stub_factory_.
181 (Target_arm::stub_factory): New method definition.
182 (Target_arm::new_arm_input_section,
183 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
184 Target_arm::reloc_uses_thumb_bit): New method declarations.
185 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
186 New type definitions.
187 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
188 member declarations.
189 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
190 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
191 New method definitions.
192
37a9ac43
ILT		 1932009-11-03 Ian Lance Taylor <iant@google.com>
194
195 * options.h (class General_options): Add --warn_constructors.
196
b3d6a3d4
ILT		 1972009-11-03 Ian Lance Taylor <iant@google.com>
198
199 PR 10893
200 * defstd.cc (in_section): Add entries for __rel_iplt_start,
201 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
202
934b01dd
ILT		 2032009-11-03 Ian Lance Taylor <iant@google.com>
204
205 PR 10895
206 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
207 --msgid-bugs-address.
208 (install-pdf): New target.
209 (install-data_yes): Look up one directory to find mkinstalldirs.
210
03c1939b
L		 2112009-11-03 H.J. Lu <hongjiu.lu@intel.com>
212
213 * po/Make-in (.po.gmo): Don't generate .gmo files in source
214 tree.
215
ebd95253
DK		 2162009-10-30 Doug Kwan <dougkwan@google.com>
217
218 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
219
e9bbb538
DK		 2202009-10-30 Doug Kwan <dougkwan@google.com>
221
222 * arm.cc (Stub_addend_reader): New struct template definition
223 and partial specializations.
224 (Stub_addend_reader::operator()): New method definition for a
225 partially specialized template.
226
d5b40221
DK		 2272009-10-30 Doug Kwan <dougkwan@google.com>
228
229 * arm.cc (Arm_relobj::processor_specific_flags): New method
230 definition.
231 (Arm_relobj::do_read_symbols): New method declaration.
232 (Arm_relobj::processor_specific_flags_): New data member declaration.
233 (Arm_dynobj): New class definition.
234 (Target_arm::do_finalize_sections): Add input_objects parameter.
235 (Target_arm::do_adjust_elf_header): New method declaration.
236 (Target_arm::are_eabi_versions_compatible,
237 (Target_arm::merge_processor_specific_flags): New method declaration.
238 (Target_arm::do_make_elf_object): New overloaded method definitions
239 and declaration.
240 (Arm_relobj::do_read_symbols): New method definition.
241 (Arm_dynobj::do_read_symbols): Ditto.
242 (Target_arm::do_finalize_sections): Add input_objects parameters.
243 Merge processor-specific flags from all input objects.
244 (Target_arm::are_eabi_versions_compatible,
245 Target_arm::merge_processor_specific_flags,
246 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
247 New method definitions.
248 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
249 Input_objects pointer type parameter.
250 * layout.cc (Layout::finalize): Pass input objects to target's.
251 finalize_sections function.
252 * output.cc (Output_file_header::do_sized_write): Set ELF file
253 header's processor-specific flags.
254 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
255 Input_objects pointer type parameter.
256 * sparc.cc (Target_sparc::do_finalize_sections): Same.
257 * target.h (Input_objects): New forward class declaration.
258 (Target::processor_specific_flags,
259 Target::are_processor_specific_flags_sect): New method definitions.
260 (Target::finalize_sections): Add input_objects parameter.
261 (Target::Target): Initialize processor_specific_flags_ and
262 are_processor_specific_flags_set_.
263 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
264 parameter.
265 (Target::set_processor_specific_flags): New method definition.
266 (Target::processor_specific_flags_,
267 Target::are_processor_specific_flags_set_): New data member
268 declarations.
269 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
270 Input_objects pointer type parameter.
271
ebabffbd
DK		 2722009-10-30 Doug Kwan <dougkwan@google.com>
273
274 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
275
ad0f2072
ILT		 2762009-10-28 Ian Lance Taylor <iant@google.com>
277
278 * object.h (class Relobj): Drop options parameter from
279 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
280 do_scan_relocs, do_relocate. Change all callers.
281 (class Sized_relobj): Drop options parameters from
282 do_gc_process_relocs, do_scan_relocs, do_relocate,
283 do_relocate_sections, relocate_sections, emit_relocs_scan,
284 emit_relocs_scan_reltype. Change all callers.
285 (struct Relocate_info): Remove options field and all references to
286 it.
287 * reloc.h (class Read_relocs): Remove options constructor
288 parameter and options_ field. Change all callers.
289 (class Gc_process_relocs, class Scan_relocs): Likewise.
290 (class Relocate_task): Likewise.
291 * target-reloc.h (scan_relocs): Remove options parameter. Change
292 all callers.
293 (scan_relocatable_relocs): Likewise.
294 * target.h (class Sized_target): Remove options parameter from
295 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
296 all callers.
297 * gc.h (gc_process_relocs): Remove options parameter. Change all
298 callers.
299 * arm.cc: Update functions to remove options parameters.
300 * i386.cc: Likewise.
301 * powerpc.cc: Likewise.
302 * sparc.cc: Likewise.
303 * x86_64.cc: Likewise.
304 * testsuite/testfile.cc: Likewise.
305
8ffa3667
DK		 3062009-10-28 Doug Kwan <dougkwan@google.com>
307
308 * arm.cc (Arm_relobj): New class definition.
309 (Arm_relobj::scan_sections_for_stubs,
310 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
311 New method definitions.
312
40f36857
CC		 3132009-10-28 Cary Coutant <ccoutant@google.com>
314
315 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
316 (Plugin::cleanup_done_): New member.
317 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
318 (Plugin_manager::cleanup_done_): Remove.
319 (Plugin_manager::add_input_file): Edit error message.
320 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
321 (Plugin_manager::cleanup): Remove use of cleanup_done_.
322
2c849493
ILT		 3232009-10-27 Mikolaj Zalewski <mikolajz@google.com>
324
325 * fileread.cc: (File_read::View::~View): Use the new
326 data_ownership_ filed.
327 (File_read::~File_read): Dispose the new whole_file_view_.
328 (File_read::open): Mmap the whole file if needed.
329 (File_read::open): Use whole_file_view_ instead of contents_.
330 (File_read::find_view): Use whole_file_view_ if applicable.
331 (File_read::do_read): Use whole_file_view_ instead of contents_.
332 (File_read::make_view): Use whole_file_view_ instead of contents_,
333 update File_read::View::View call.
334 (File_read::find_or_make_view): Update File_read::View::View
335 call.
336 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
337 remove contents_
338 (File_read::View::Data_ownership): New enum.
339 (File_read::View::View): Replace bool mapped_ with Data_ownership
340 argument.
341 (File_read::View::mapped_): Remove (replaced by data_ownership_).
342 (File_read::View::data_ownership_): New field.
343 (File_read::contents_): Remove (replaced by whole_file_view_).
344 (File_read::whole_file_view_): New field.
345 * options.h (class General_options): Add --keep-files-mapped.
346
24998053
CC		 3472009-10-27 Cary Coutant <ccoutant@google.com>
348
349 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
350 * testsuite/Makefile.am (plugin_test_5): New test case.
351 * testsuite/Makefile.in: Regenerate.
352
72adc4fa
DK		 3532009-10-25 Doug Kwan <dougkwan@google.com>
354
355 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
356 from private to protected to allow access by child class.
357 (Sized_relobj::do_relocate_sections): New method declaration.
358 (Sized_relobj::relocate_sections): Virtualize.
359 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
360 Sized_relobj::relocate_sections. Instantiate template explicitly
361 for different target sizes and endianity.
362
07f508a2
DK		 3632009-10-24 Doug Kwan <dougkwan@google.com>
364
365 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
366 (Arm_input_section::as_arm_input_section): New method.
367 (Arm_output_section): New class definition.
368 (Arm_output_section::create_stub_group,
369 Arm_output_section::group_sections): New method definitions.
370
10ad9fe5
DK		 3712009-10-22 Doug Kwan <dougkwan@google.com>
372
373 * arm.cc (Arm_input_section): New class definition.
374 (Arm_input_section::init, Arm_input_section:do_write,
375 Arm_input_section::set_final_data_size,
376 Arm_input_section::do_reset_address_and_file_offset): New method
377 definitions.
378
56ee5e00
DK		 3792009-10-21 Doug Kwan <dougkwan@google.com>
380
381 * arm.cc (Stub_table, Arm_input_section): New forward class
382 declarations.
383 (Stub_table): New class defintion.
384 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
385 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
386 New method definition.
387
b569affa
DK		 3882009-10-21 Doug Kwan <dougkwan@google.com>
389
390 * arm.cc: Update copyright comments.
391 (Target_arm): New forward class template declaration.
392 (Arm_address): New type.
393 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
394 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
395 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
396 constants.
397 (Insn_template): Same.
398 (DEF_STUBS): New macro.
399 (Stub_type): New enum type.
400 (Stub_template): New class definition.
401 (Stub): Same.
402 (Reloc_stub): Same.
403 (Stub_factory): Same.
404 (Target_arm::Target_arm): Initialize may_use_blx_ and
405 should_force_pic_veneer_.
406 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
407 Target_arm::should_force_pic_veneer,
408 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
409 Target_arm::using_thumb_only, Target_arm:;default_target): New
410 method defintions.
411 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
412 New data member declarations.
413 (Insn_template::size, Insn_template::alignment): New method defintions.
414 (Stub_template::Stub_template): New method definition.
415 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
416 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
417 (Stub_factory::Stub_factory): New method definition.
418 * gold.h (string_hash): New template.
419 * output.h (Input_section_specifier::hash_value): Use
420 gold::string_hash.
421 (Input_section_specifier::string_hash): Remove.
422 * stringpool.cc (Stringpool_template::string_hash): Use
423 gold::string_hash.
424
6c172549
DK		 4252009-10-20 Doug Kwan <dougkwan@google.com>
426
427 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
428 symbols of relaxed input sections.
429 * output.h (Output_section::find_relaxed_input_section): Make
430 method public.
431
c5617f2f
DK		 4322009-10-16 Doug Kwan <dougkwan@google.com>
433
434 * dynobj.cc (Versions::Versions): Initialize version_script_.
435 Only insert base version symbol definition for a shared object
436 if version script defines any version versions.
437 (Versions::define_base_version): New method definition.
438 (Versions::add_def): Check that base version is not needed.
439 (Versions::add_need): Define base version lazily.
440 * dynobj.h (Versions::define_base_version): New method declaration.
441 (Versions::needs_base_version_): New data member declaration.
442 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
443 (check_DATA): Add no_version_test.stdout.
444 (libno_version_test.so, no_version_test.o no_version_test.stdout):
445 New make rules.
446 * testsuite/Makefile.in: Regenerate.
447 * testsuite/no_version_test.c: New file.
448 * testsuite/no_version_test.sh: Ditto.
449
3c12dcdb
DK		 4502009-10-16 Doug Kwan <dougkwan@google.com>
451
452 * expression.cc (class Segment_start_expression): New class definition.
453 (Segment_start_expression::value): New method definition.
454 (script_exp_function_segment_start): Return a new
455 Segment_start_expression.
456 * gold/script-c.h (script_saw_segment_start_expression): New function
457 prototype.
458 * script-sections.cc (Script_sections::Script_sections): Initialize
459 SAW_SEGMENT_START_EXPRESSION_ to false.
460 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
461 and -Tbbs options to specify section addresses if given in
462 command line and no SEGMENT_START expression is seen in a script.
463 * script-sections.h (Script_sections::saw_segment_start_expression,
464 Script_sections::set_saw_segment_start_expression): New method
465 definition.
466 (Script_sections::saw_segment_start_expression_): New data member
467 declaration.
468 * script.cc (script_saw_segment_start_expression): New function.
469 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
470 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
471 script_test_7.sh and script_test_8.sh.
472 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
473 script_test_8.stdout.
474 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
475 (script_test_6, script_test_6.stdout, script_test_7,
476 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
477 * Makefile.in: Regenerate.
478 * testsuite/script_test_6.sh: New file.
479 * testsuite/script_test_6.t: Same.
480 * testsuite/script_test_7.sh: Same.
481 * testsuite/script_test_7.t: Same.
482 * testsuite/script_test_8.sh: Same.
483
64b1ae37
DK		 4842009-10-16 Doug Kwan <dougkwan@google.com>
485
486 * output.cc (Output_segment::set_section_list_address): Cast
487 expressions to unsigned long long type to avoid format warnings.
488
661be1e2
ILT		 4892009-10-15 Ian Lance Taylor <iant@google.com>
490
12edd763 491 * script.cc (Script_options::add_symbol_assignment): Always add a
b3d6a3d4 492 dot assignment to script_sections_.
12edd763
ILT		 493 * script-sections.cc (Script_sections::add_dot_assignment):
494 Initialize if necessary.
495
68b6574b
ILT		 496 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
497 program headers with no load segment if there is a linker script.
498
661be1e2
ILT		 499 * layout.cc (Layout::set_segment_offsets): Align the file offset
500 to the segment aligment for -N or -n with no load segment.
501 * output.cc (Output_segment::add_output_section): Don't crash if
502 the first section is a TLS section.
503 (Output_segment::set_section_list_addresses): Print an error
504 message if the address moves backward in a linker script.
505 * script-sections.cc
506 (Output_section_element_input::set_section_addresses): Don't
507 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
508 (Orphan_output_section::set_section_addresses): Likewise.
509
f15f61a7
DK		 5102009-10-15 Doug Kwan <dougkwan@google.com>
511
512 * layout.cc (Layout::finish_dynamic_section): Generate tags
513 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
514 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
515 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
516
82bb573a
ILT		 5172009-10-14 Ian Lance Taylor <iant@google.com>
518
519 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
520 fields.
521 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
522 data_shdr fields of relinfo.
523 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
524 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
525 R_386_TLS_LDO_32, adjust based on section flags.
526 (Target_i386::Relocate::fix_up_ldo): Remove.
527
374ad285
ILT		 5282009-10-13 Ian Lance Taylor <iant@google.com>
529
530 Add support for -pie.
531 * options.h (class General_options): Add -pie and
532 --pic-executable.
533 (General_options::output_is_position_independent): Test -pie.
534 (General_options::output_is_executable): Return true if not shared
535 and not relocatable.
536 (General_options::output_is_pie): Remove.
537 * options.cc (General_options::finalize): Reject incompatible uses
538 of -pie.
539 * gold.cc (queue_middle_tasks): A -pie link is not static.
540 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
541 * symtab.cc (Symbol::final_value_is_known): Return false if
542 output_is_position_independent.
543 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
544 output_is_position_independent.
545 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
546 output_is_position_independent.
547 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
548 output_is_position_independent.
549 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
550 two_file_pie_test.
551 (basic_pie_test.o, basic_pie_test): New targets.
552 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
553 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
554 (two_file_pie_test): New target.
555 * testsuite/Makefile.in: Rebuild.
556 * README: Remove note saying that -pie is not supported.
557
c6585162
ILT		 5582009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
559
560 * options.h (class General_options): Add -init and -fini.
561 * layout.cc (Layout::finish_dynamic_section): Emit
562 given init and fini functions.
563
032ce4e9
ST		 5642009-10-13 Sriraman Tallam <tmsriram@google.com>
565
566 * gc.h (gc_process_relocs): Check if icf is enabled using new
567 function.
568 * gold.cc (queue_initial_tasks): Likewise.
569 (queue_middle_tasks): Likewise.
570 * object.cc (do_layout): Likewise.
571 * symtab.cc (is_section_folded): Likewise.
572 * main.cc (main): Likewise.
573 * reloc.cc (Read_relocs::run): Likewise.
574 (Sized_relobj::do_scan_relocs): Likewise.
575 * icf.cc (is_function_ctor_or_dtor): New function.
576 (Icf::find_identical_sections): Check if function is ctor or dtor when
577 safe icf is chosen.
578 * options.h (General_options::icf): Change option to be an enum.
579 (Icf_status): New enum.
580 (icf_enabled): New method.
581 (icf_safe_folding): New method.
582 (set_icf_status): New method.
583 (icf_status_): New variable.
584 * (options.cc) (General_options::finalize): Set icf_status_.
585 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
586 icf_test and icf_keep_unique_test to use the --icf enum flag.
587 * testsuite/icf_safe_test.sh: New file.
588 * testsuite/icf_safe_test.cc: New file.
589
f345227a
ST		 5902009-10-12 Sriraman Tallam <tmsriram@google.com>
591
592 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
593 includes to gc.h and icf.h.
594 * arm.cc: Include gc.h.
595 * gold.cc: Likewise.
596 * i386.cc: Likewise.
597 * powerpc.cc: Likewise.
598 * sparc.cc: Likewise.
599 * x86_64.cc: Likewise.
600 * gc.h: Include icf.h.
601
1c7814ed
ILT		 6022009-10-11 Ian Lance Taylor <iant@google.com>
603
604 * plugin.cc: Include "gold.h" before other header files.
605
ae3b5189
CD		 6062009-10-10 Chris Demetriou <cgd@google.com>
607
608 * options.h (Input_file_argument::Input_file_type): New enum.
609 (Input_file_argument::is_lib_): Replace with...
610 (Input_file_argument::type_): New member.
611 (Input_file_argument::Input_file_argument): Take Input_file_type
612 'type' rather than boolean 'is_lib' as second argument.
613 (Input_file_argument::is_lib): Use type_.
614 (Input_file_argument::is_searched_file): New function.
615 (Input_file_argument::may_need_search): Handle is_searched_file.
616 * options.cc (General_options::parse_library): Support -l:filename.
617 (General_options::parse_just_symbols): Update for Input_file_argument
618 changes.
619 (Command_line::process): Likewise.
620 * archive.cc (Archive::get_file_and_offset): Likewise.
621 * plugin.cc (Plugin_manager::release_input_file): Likewise.
622 * script.cc (read_script_file, script_add_file): Likewise.
623 * fileread.cc (Input_file::Input_file): Likewise.
624 (Input_file::will_search_for): Handle is_searched_file.
625 (Input_file::open): Likewise.
626 * readsyms.cc (Read_symbols::get_name): Likewise.
627 * testsuite/Makefile.am (searched_file_test): New test.
628 * testsuite/Makefile.in: Regenerate.
629 * testsuite/searched_file_test.cc: New file.
630 * testsuite/searched_file_test_lib.cc: New file.
631
f3048a1d
ILT		 6322009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
633 Ian Lance Taylor <iant@google.com>
634
635 * descriptor.cc: Include <cstdio> and "binary-io.h".
636 (Descriptors::open): Open the files in binary mode always.
637 * script.cc (Lex::get_token): Treat \r as whitespace.
638
d4780e57
ILT		 6392009-10-09 Ian Lance Taylor <iant@google.com>
640
641 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
642
d9a893b8
ILT		 6432009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
644 Ian Lance Taylor <iant@google.com>
645
646 * configure.ac: Check for readv function also.
647 * fileread.cc (readv): Define if not HAVE_READV.
648 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
649 does not exist.
650 * config.in: Regenerate.
651 * configure: Regenerate.
652
c0a62865
DK		 6532009-10-09 Doug Kwan <dougkwan@google.com>
654
655 * layout.cc (Layout::make_output_section): Call target hook to make
656 ordinary output section.
657 (Layout::finalize): Adjust parameter list of call the
658 Target::may_relax().
659 * layout.h (class Layout::section_list): New method.
660 * merge.h (Output_merge_base::entsize): Change visibility to public.
661 (Output_merge_base::is_string, Output_merge_base::do_is_string):
662 New methods.
663 (Output_merge_string::do_is_string): New method.
664 * object.cc (Sized_relobj::do_setup): renamed from
665 Sized_relobj::set_up.
666 * object.h (Sized_relobj::adjust_shndx,
667 Sized_relobj::initializ_input_to_output_maps,
668 Sized_relobj::free_input_to_output_maps): Change visibilities to
669 protected.
670 (Sized_relobj::setup): Virtualize.
671 (Sized_relobj::do_setup): New method declaration.
672 (Sized_relobj::invalidate_section_offset,
673 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
674 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
675 * options.cc (parse_int): New function.
676 * options.h (parse_int): New declaration.
677 (DEFINE_int): New macro.
678 (stub_group_size): New option.
679 * output.cc (Output_section::Output_section): Initialize memebers
680 merge_section_map_, merge_section_by_properties_map_,
681 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
682 (Output_section::add_input_section): Handled deferred code-fill
683 generation and remove an old comment.
684 (Output_section::add_relaxed_input_section): New method definition.
685 (Output_section::add_merge_input_section): Use merge section by
686 properties map to speed to search. Update merge section maps
687 as appropriate.
688 (Output_section::build_relaxation_map): New method definition.
689 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
690 Same.
691 (Output_section::relax_input_section): Renamed to
692 Output_section::convert_input_sections_to_relaxed_sections and change
693 interface to take a vector of pointers to relaxed sections.
694 (Output_section::find_merge_section,
695 Output_section::find_relaxed_input_section): New method definitions.
696 (Output_section::is_input_address_mapped,
697 Output_section::output_offset, Output_section::output_address):
698 Use output section data maps to speed up searching.
699 (Output_section::find_starting_output_address): Add comments.
700 (Output_section::do_write,
701 Output_section::write_to_postprocessing_buffer): Do code-fill
702 generation as appropriate.
703 (Output_section::get_input_sections): Invalidate relaxed input section
704 map.
705 (Output_section::restore_states): Adjust type of checkpoint .
706 Invalidate relaxed input section map.
707 * output.h (Output_merge_base): New class declaration.
708 (Input_section_specifier): New class defintion.
709 (class Output_relaxed_input_section) Change base class to
710 Output_section_data_build.
711 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
712 base class initializer.
713 (Output_section::add_relaxed_input_section): New method declaration.
714 (Output_section::Input_section): Change visibility to protected.
715 (Output_section::Input_section::relobj,
716 Output_section::Input_section::shndx): Handle relaxed input sections.
717 Output_section::input_sections) Change visibility to protected. Also
718 define overload to return a non-const pointer.
719 (Output_section::Merge_section_properties): New class defintion.
720 (Output_section::Merge_section_by_properties_map,
721 Output_section::Output_section_data_by_input_section_map,
722 Output_section::Relaxation_map): New types.
723 (Output_section::relax_input_section): Rename method to
724 Output_section::convert_input_sections_to_relaxed_sections and change
725 interface to take a vector of relaxed section pointers.
726 (Output_section::find_merge_section,
727 Output_section::find_relaxed_input_section,
728 Output_section::build_relaxation_map,
729 Output_section::convert_input_sections_in_list_to_relaxed_sections):
730 New method declarations.
731 (Output_section::merge_section_map_
732 Output_section::merge_section_by_properties_map_,
733 Output_section::relaxed_input_section_map_,
734 Output_section::is_relaxed_input_section_map_valid_,
735 Output_section::generate_code_fills_at_write_): New data members.
736 * script-sections.cc
737 (Output_section_element_input::set_section_addresses): Call
738 current_data_size and addralign methods of relaxed input sections.
739 (Orphan_output_section::set_section_addresses): Call current_data_size
740 and addralign methods of relaxed input sections.
741 * symtab.cc (Symbol_table::compute_final_value): Extract template
742 from the body of Symbol_table::sized_finalize_symbol.
743 (Symbol_table::sized_finalized_symbol): Call
744 Symbol_table::compute_final_value.
745 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
746 (Symbol_table::compute_final_value): New templated method declaration.
747 * target.cc (Target::do_make_output_section): New method defintion.
748 * target.h (Target::make_output_section): New method declaration.
749 (Target::relax): Add more parameters for input objects, symbol table
750 and layout. Adjust call to do_relax.
751 (Target::do_make_output_section): New method declaration.
752 (Target::do_relax): Add parameters for input objects, symbol table
753 and layout.
754
d446d6c4
ILT		 7552009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
756
757 * pread.c: Include stdio.h.
758
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ILT		 7592009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
760
761 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
762 defined.
763
75aea3d0
ILT		 7642009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
765
766 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
767 Change read_shndx type to unsigned int.
768 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
769 int.
770 (Sized_dwarf_line_info::read_line_mappings): Likewise.
771 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
772 Change read_shndx type to unsigned int.
773 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
774 int.
775 (Sized_dwarf_line_info::read_line_mappings): Likewise.
776 * layout.cc (Layout::create_symtab_sections): Cast the result of
777 local_symcount * symsize to off_t in the gold_assert.
778
be8fcb75
ILT		 7792009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
780
781 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
782 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
783 R_ARM_BASE_ABS.
784 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
785 (Arm_relocate_functions::thm_abs5): New function.
786 (Arm_relocate_functions::abs12): New function.
787 (Arm_relocate_functions::abs16): New function.
788 (Arm_relocate_functions::base_abs): New function.
789 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
790 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
791 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
792 R_ARM_BASE_ABS.
793 (Scan::global): Likewise.
794 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
795 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
796 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
797 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
798 R_ARM_BASE_ABS.
799
c2a122b6
ILT		 8002009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
801
802 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
803 (Arm_relocate_functions::movt_prel): New function.
804 (Arm_relocate_functions::thm_movw_prel_nc): New function.
805 (Arm_relocate_functions::thm_movt_prel): New function.
806 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
807 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
808 (Scan::global, Relocate::relocate): Likewise.
809 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
810
c4aa1e2d
ILT		 8112009-10-09 Mikolaj Zalewski <mikolajz@google.com>
812
813 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
814 Incremental_checker.
815 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
816 unsigned int.
817 (class Incremental_inputs_header): New class.
818 (Incremental_inputs_header_writer): Edit comment.
819 (Incremental_inputs_entry): New class.
820 (Incremental_inputs_entry_writer): Edit comment.
821 (Sized_incremental_binary::do_find_incremental_inputs_section):
822 Add *strtab_shndx parameter, fill it.
823 (Sized_incremental_binary::do_check_inputs): New method.
824 (Incremental_checker::can_incrementally_link_output_file): Use
825 Sized_incremental_binary::check_inputs.
826 (Incremental_inputs::report_command_line): Save command line in
827 command_line_.
828 * incremental.h:
829 (Incremental_binary::find_incremental_inputs_section): New
830 method.
831 (Incremental_binary::do_find_incremental_inputs_section): Add
832 strtab_shndx parameter.
833 (Incremental_binary::do_check_inputs): New pure virtual method.
834 (Sized_incremental_binary::do_check_inputs): Declare.
835 (Incremental_checker::Incremental_checker): Add incremental_inputs
836 parameter, use it to initialize incremental_inputs_.
837 (Incremental_checker::incremental_inputs_): New field.
838 (Incremental_checker::command_line): New method.
839 (Incremental_checker::inputs): New method.
840 (Incremental_checker::command_line_): New field.
841
c549a694
ILT		 8422009-10-09 Mikolaj Zalewski <mikolajz@google.com>
843
844 * incremental.cc: Include <cstdarg> and "target-select.h".
845 (vexplain_no_incremental): New function.
846 (explain_no_incremental): New function.
847 (Incremental_binary::error): New method.
848 (Sized_incremental_binary::do_find_incremental_inputs_section): New
849 method.
850 (make_sized_incremental_binary): New function.
851 (open_incremental_binary): New function.
852 (can_incrementally_link_file): Add checks if output is ELF and has
853 inputs section.
854 * incremental.h: Include "elfcpp_file.h" and "output.h".
855 (Incremental_binary): New class.
856 (Sized_incremental_binary): New class.
857 (open_incremental_binary): Declare.
858 * object.cc (is_elf_object): Use
859 elfcpp::Elf_recognizer::is_elf_file.
860 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
861 * output.h (Output_file::filesize): New method.
862
fd3c5f0b
ILT		 8632009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
864
865 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
866 New function.
867 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
868 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
869 function.
870 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
871 function.
872 (Arm_relocate_functions::movw_abs_nc): New function.
873 (Arm_relocate_functions::movt_abs): New function.
874 (Arm_relocate_functions::thm_movw_abs_nc): New function.
875 (Arm_relocate_functions::thm_movt_abs): New function.
876 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
877 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
878 (Scan::global): Likewise.
879 (Relocate::relocate): Likewise.
880 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
881
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ILT		 8822009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
883
884 * arm.cc (Arm_relocate_functions::got_prel) New function.
885 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
886 (Relocate::relocate): Likewise.
887 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
888
364c7fa5
ILT		 8892009-10-06 Ian Lance Taylor <iant@google.com>
890
891 * options.h (class General_options): Define
892 split_stack_adjust_size parameter.
893 * object.h (class Object): Add uses_split_stack_ and
894 has_no_split_stack_ fields. Add uses_split_stack and
895 has_no_split_stack accessor functions. Declare
896 handle_split_stack_section.
897 (class Reloc_symbol_changes): Define.
898 (class Sized_relobj): Define Function_offsets. Declare
899 split_stack_adjust, split_stack_adjust_reltype, and
900 find_functions.
901 * object.cc (Object::handle_split_stack_section): New function.
902 (Sized_relobj::do_layout): Call handle_split_stack_section.
903 * dynobj.cc (Sized_dynobj::do_layout): Call
904 handle_split_stack_section.
905 * reloc.cc (Sized_relobj::relocate_sections): Call
906 split_stack_adjust for executable sections in split_stack
907 objects. Pass reloc_map to relocate_section.
908 (Sized_relobj::split_stack_adjust): New function.
909 (Sized_relobj::split_stack_adjust_reltype): New function.
910 (Sized_relobj::find_functions): New function.
911 * target-reloc.h: Include "object.h".
912 (relocate_section): Add reloc_symbol_changes parameter. Change
913 all callers.
914 * target.h (class Target): Add calls_non_split method. Declare
915 do_calls_non_split virtual method. Declare match_view and
916 set_view_to_nop.
917 * target.cc: Include "elfcpp.h".
918 (Target::do_calls_non_split): New function.
919 (Target::match_view): New function.
920 (Target::set_view_to_nop): New function.
921 * gold.cc (queue_middle_tasks): Give an error if mixing
922 split-stack and non-split-stack objects with -r.
923 * i386.cc (Target_i386::relocate_section): Add
924 reloc_symbol_changes parameter.
925 (Target_i386::do_calls_non_split): New function.
926 * x86_64.cc (Target_x86_64::relocate_section): Add
927 reloc_symbol_changes parameter.
928 (Target_x86_64::do_calls_non_split): New function.
929 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
930 parameter.
931 * powerpc.cc (Target_powerpc::relocate_section): Add
932 reloc_symbol_changes parameter.
933 * sparc.cc (Target_sparc::relocate_section): Add
934 reloc_symbol_changes parameter.
935 * configure.ac: Call AM_CONDITIONAL for the default target.
936 * configure: Rebuild.
937 * testsuite/Makefile.am (TEST_AS): New variable.
938 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
939 (check_DATA): Add split_i386 and split_x86_64 files.
940 (SPLIT_DEFSYMS): Define.
941 (split_i386_[1234n].o): New targets.
942 (split_i386_[124]): New targets.
943 (split_i386_[1234r].stdout): New targets.
944 (split_x86_64_[1234n].o): New targets.
945 (split_x86_64_[124]): New targets.
946 (split_x86_64_[1234r].stdout): New targets.
947 (MOSTLYCLEANFILES): Add new executables.
948 * testsuite/split_i386.sh: New file.
949 * testsuite/split_x86_64.sh: New file.
950 * testsuite/split_i386_1.s: New file.
951 * testsuite/split_i386_2.s: New file.
952 * testsuite/split_i386_3.s: New file.
953 * testsuite/split_i386_4.s: New file.
954 * testsuite/split_i386_n.s: New file.
955 * testsuite/split_x86_64_1.s: New file.
956 * testsuite/split_x86_64_2.s: New file.
957 * testsuite/split_x86_64_3.s: New file.
958 * testsuite/split_x86_64_4.s: New file.
959 * testsuite/split_x86_64_n.s: New file.
960 * testsuite/testfile.cc (Target_test): Update relocation_section
961 function.
962 * testsuite/Makefile.in: Rebuild.
963
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ILT		 9642009-10-06 Ian Lance Taylor <iant@google.com>
965
966 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
967 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
968 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
969 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
970 the address on ldo_addrs_.
971 (Target_i386::Relocate::fix_up_ldo): New function.
972
e99daf92
ILT		 9732009-10-06 Rafael Espindola <espindola@google.com>
974
975 * plugin.cc (add_input_library): New.
976 (Plugin::load): Add add_input_library to tv.
977 (Plugin_manager::add_input_file): Add the is_lib argument.
978 (add_input_file): Update call to Plugin_manager::add_input_file.
979 (add_input_library): New.
980 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
981
966d4097
DK		 9822009-09-30 Doug Kwan <dougkwan@google.com>
983
984 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
985 symbol and call Symbol::may_need_copy_reloc to determine if
986 a copy reloc is needed.
987 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
988 nocopyreloc is given in command line.
989 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
990 given in command line.
991 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
992 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
993 of the removed Target_i386::may_need_copy_reloc.
994 * options.h (copyreloc): New option with default value false.
995 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
996 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
997 instead of the removed Target_powerpc::may_need_copy_reloc.
998 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
999 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1000 instead of the removed Target_sparc::may_need_copy_reloc.
1001 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1002 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1003 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1004 instead of the removed Target_x86_64::may_need_copy_reloc.
1005
029ba973
ILT		 10062009-09-30 Ian Lance Taylor <iant@google.com>
1007
1008 * object.h (class Object): Remove target_ field, and target,
1009 sized_target, and set_target methods.
1010 (Object::sized_target): Remove.
1011 (class Sized_relobj): Update declarations. Remove sized_target.
1012 * object.cc (Sized_relobj::setup): Remove target parameter.
1013 Change all callers.
1014 (Input_objects::add_object): Don't do anything with the target.
1015 (make_elf_sized_object): Add punconfigured parameter. Change all
1016 callers. Set or test parameter target.
1017 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1018 Change all callers.
1019 * parameters.cc (Parameters::set_target): Change parameter type to
1020 be non-const.
1021 (Parameters::default_target): Remove.
1022 (set_parameters_target): Change parameter type to be non-const.
1023 (parameters_force_valid_target): New function.
1024 (parameters_clear_target): New function.
1025 * parameters.h (class Parameters): Update declarations. Remove
1026 default_target method. Add sized_target and clear_target
1027 methods. Change target_ to be non-const.
1028 (set_parameters_target): Update declaration.
1029 (parameters_force_valid_target): Declare.
1030 (parameters_clear_target): Declare.
1031 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1032 as NULL if we aren't searching.
1033 (Add_symbols::run): Don't check for compatible target.
1034 * fileread.cc (Input_file::open_binary): Call
1035 parameters_force_valid_target.
1036 * gold.cc (queue_middle_tasks): Likewise.
1037 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
1038 set_target on object.
1039 * dynobj.h (class Sized_dynobj): Update declarations.
1040 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1041 make_elf_object returns NULL.
1042 (Archive::include_member): Don't check whether object target is
1043 compatible.
1044 * output.cc (Output_section::add_input_section): Get target from
1045 parameters.
1046 (Output_section::relax_input_section): Likewise.
1047 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1048 parameters.
1049 (Sized_relobj::do_scan_relocs): Likewise.
1050 (Sized_relobj::relocate_sections): Likewise.
1051 * resolve.cc (Symbol_table::resolve): Likewise.
1052 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
1053 parameter. Change all callers.
1054 (Symbol_table::add_from_object): Get target from parameters.
1055 (Symbol_table::add_from_relobj): Don't check object target.
1056 (Symbol_table::add_from_dynobj): Likewise.
1057 (Symbol_table::define_special_symbol): Get target from
1058 parameters.
1059 * symtab.h (class Symbol_table): Update declaration.
1060 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1061 parameter. Change all callers. Clear parameter target.
1062 (Binary_test): Test target here.
1063 * testsuite/object_unittest.cc (gold_testsuite): Remove
1064 target_test_pointer parameter. Change all callers.
1065 (Object_test): Test target here.
1066
a6a22b83
ILT		 10672009-09-26 Ian Lance Taylor <iant@google.com>
1068
1069 * testsuite/initpri1.c: Don't try to use constructor priorities if
1070 compiling with gcc before 4.3.
1071
6a8f49fe
ILT		 10722009-09-22 Mikolaj Zalewski <mikolajz@google.com>
1073
1074 * testsuite/retain_symbols_file_test.sh (check_present): Change
1075 output file name to retain_symbols_file_test.stdout.
1076 (check_absent): Likewise.
1077
8c604651
CS		 10782009-09-18 Craig Silverstein <csilvers@google.com>
1079
1080 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1081 * options.cc: Include <cerrno> and <fstream>.
1082 (General_options::finalize): Parse -retain-symbols-file tag.
1083 * options.h: New flag.
1084 (General_options): New method should_retain_symbol, new
1085 variable symbols_to_retain.
1086 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1087 should_retain_symbol map.
1088 * testsuite/Makefile.am (retain_symbols_file_test): New test.
1089 * testsuite/Makefile.in: Regenerate.
1090 * testsuite/retain_symbols_file_test.sh: New file.
1091
ca58b19f
NC		 10922009-09-18 Nick Clifton <nickc@redhat.com>
1093
1094 * po/es.po: Updated Spanish translation.
1095
20e6d0d6
DK		 10962009-09-17 Doug Kwan <dougkwan@google.com>
1097
1098 * debug.h (DEBUG_RELAXATION): New constant.
1099 (DEBUG_ALL): Add DEBUG_RELAXATION.
1100 (debug_string_to_enum): Add relaxation debug option.
1101 * layout.cc
1102 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1103 Layout::Relaxation_debug_check::read_sections,
1104 Layout::Relaxation_debug_check::read_sections): New method definitions.
1105 (Layout::Layout): Initialize data members
1106 record_output_section_data_from_scrips_,
1107 script_output_section_data_list_ and relaxation_debug_check_.
1108 (Layout::save_segments, Layout::restore_segments,
1109 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1110 Layout::relaxation_loop_body): New method definitions.
1111 (Layout::finalize): Support relaxation. Move section layout code to
1112 Layout::relaxation_loop_body.
1113 (Layout::set_asection_address_from_script): Move code for orphan
1114 section placement out.
1115 (Layout::place_orphan_sections_in_script): New method definition.
1116 * layout.h (Output_segment_headers, Output_file_header):
1117 New forward class declarations.
1118 (Layout::~Layout): Define.
1119 (Layout::new_output_section_data_from_script): New method definition.
1120 (Layout::place_orphan_sections_in_script): New method declaration.
1121 (Layout::Segment_states): New type declaration.
1122 (Layout::save_segments, Layout::restore_segments,
1123 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1124 Layout::relaxation_loop_body): New method declarations.
1125 (Layout::Output_section_data_list): New type declaration.
1126 (Layout::Relaxation_debug_check): New class definition.
1127 (Layout::record_output_section_data_from_script_,
1128 Layout::script_output_section_data_list_, Layout::segment_states_,
1129 Layout::relaxation_debug_check_): New data members.
1130 * output.cc: (Output_section_headers::do_size): New method definition.
1131 (Output_section_headers::Output_section_headers): Move size
1132 computation to Output_section_headers::do_size.
1133 (Output_segment_headers::do_size): New method definition.
1134 (Output_file_header::Output_file_header): Move size computation to
1135 Output_file_header::do_size and call it.
1136 (Output_file_header::do_size): New method definition.
1137 (Output_data_group::Output_data_group): Adjust call to
1138 Output_section_data.
1139 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1140 (Output_symtab_xindex::do_write): Add array bound check.
1141 (Output_section::Input_section::print_to_mapfile): Handle
1142 RELAXED_INPUT_SECTION_CODE.
1143 (Output_section::Output_section): Initialize data member checkpoint_.
1144 (Output_section::~Output_section): Delete checkpoint object pointed
1145 by checkpoint_.
1146 (Output_section::add_input_section): Always add an Input_section if
1147 relaxing.
1148 (Output_section::add_merge_input_section): Add assert.
1149 (Output_section::relax_input_section): New method definition.
1150 (Output_section::set_final_data_size): Set load address to zero for
1151 an unallocated section.
1152 (Output_section::do_address_and_file_offset_have_reset_values):
1153 New method definition.
1154 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1155 Handle relaxed input section.
1156 (Output_section::sort_attached_input_sections): Checkpoint input
1157 section list lazily.
1158 (Output_section::get_input_sections): Change type of input_sections to
1159 list of Simple_input_section pointers. Checkpoint input section list
1160 lazily. Also handle relaxed input sections.
1161 (Output_section::add_input_section_for_script): Take a reference to
1162 a Simple_input_section object instead of Relobj pointer and section
1163 index as parameter. Handle relaxed input sections.
1164 (Output_section::save_states, Output_section::restore_states): New
1165 method definitions.
1166 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1167 (Output_data::is_data_size_fixed): New method definition.
1168 (Output_data::reset_addresss_and_file_offset): Do not reset data size
1169 if it is fixed.
1170 (Output_data::address_and_file_offset_have_reset_values): New method
1171 definition.
1172 (Output_data::do_address_and_file_offset_have_reset_values): New method
1173 definition.
1174 (Output_data::set_data_size): Check that data size is not fixed.
1175 (Output_data::fix_data_size): New method definition.
1176 (Output_data::is_data_size_fixed_): New data member.
1177 (Output_section_headers::set_final_data_size): New method definition.
1178 (Output_section_headers::do_size): New method declaration.
1179 (Output_segment_headers::set_final_data_size): New method definition.
1180 (Output_segment_headers::do_size): New method declaration.
1181 (Output_file_header::set_final_data_size)::New method definition.
1182 (Output_file_header::do_size)::New method declaration.
1183 (Output_section_data::Output_section_data): Add new parameter
1184 is_data_size_fixed and use it to fix data size.
1185 (Output_data_const::Output_data_const): Adjust call to base class
1186 constructor and fix data size.
1187 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1188 base class constructor and fix data size.
1189 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1190 base class constructor and fix data size.
1191 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1192 class constructor and fix data size.
1193 (Output_data_group::set_final_data_size): New method definition.
1194 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1195 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1196 class constructor and fix data size.
1197 (Output_relaxed_input_section): New class definition.
1198 (Output_section::Simple_input_section): New class definition.
1199 (Output_section::get_input_sections): Adjust parameter list.
1200 (Output_section::add_input_section_for_script): Same.
1201 (Output_section::save_states, Output_section::restore_states,
1202 Output_section::do_address_and_file_offset_have_reset_values,
1203 (Output_section::Input_section::Input_section): Handle
1204 RELAXED_INPUT_SECTION_CODE. Add new overload for
1205 Output_relaxed_input_section.
1206 (Output_section::Input_section::is_input_section,
1207 Output_section::Input_section::set_output_section): Handle relaxed
1208 input section.
1209 (Output_section::Input_section::is_relaxed_input_section,
1210 Output_section::Input_section::output_section_data,
1211 Output_section::Input_section::relaxed_input_section): New method
1212 definitions.
1213 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1214 value.
1215 (Output_section::Input_section::u1_): Update comments.
1216 (Output_section::Input_section::u2_): Add new union member poris.
1217 (Output_section::Checkpoint_output_section): New classs definition.
1218 (Output_section::relax_input_section): New method declaration.
1219 (Output_section::checkpoint_): New data member.
1220 (Output_segment): Update comments.
1221 (Output_segment::Output_segment): Un-privatize copy constructor.
1222 (Output_segment::operator=): Un-privatize.
1223 * script-sections.cc (Output_section_element::Input_section_list):
1224 Change element type to Output_section::Simple_input_section.
1225 (Output_section_element_dot_assignment::set_section_addresses):
1226 Register output section data for relaxation clean up.
1227 (Output_data_exression::Output_data_expression): Adjust call to base
1228 constructor to fix data size.
1229 (Output_section_element_data::set_section_addresses): Register
1230 Output_data_expression object for relaxation clean up.
1231 (struct Input_section_info): Replace Relobj pointer and section index
1232 pair with Output_section::Simple_input_section and Convert struct to a
1233 class.
1234 (Input_section_sorter::operator()): Adjust access to
1235 Input_section_info data member to use accessors.
1236 (Output_section_element_input::set_section_addresses): Use layout
1237 parameter. Adjust code to use Output_section::Simple_input_section
1238 and Input_secction_info classes. Register filler for relaxation
1239 clean up.
1240 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1241 and section index pair with Output_section::Simple_input_section
1242 class. Adjust code accordingly.
1243 (Phdrs_element::release_segment): New method definition.
1244 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1245 segment list.
1246 (Script_sections::release_segments): New method definition.
1247 * gold/script-sections.h (Script_sections::release_segments): New
1248 method declaration.
1249 * gold/target.h (Target::may_relax, Target::relax,
1250 Target::do_may_relax, Target::do_relax): New method definitions.
1251
5e445df6
ILT		 12522009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1253
1254 * arm.cc (has_signed_unsigned_overflow): New function.
1255 (Arm_relocate_functions::abs8): New function.
1256 (Target_arm::Scan::local): Handle R_ARM_ABS8.
1257 (Target_arm::Scan::global): Likewise.
1258 (Target_arm::relocate::relocate): Likewise.
1259 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1260 Likewise.
1261
8c604651 12622009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 1263
1264 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1265 * testsuite/Makefile.in: Regenerate.
1266
1e9cc1c2
NC		 12672009-09-11 Nick Clifton <nickc@redhat.com>
1268
1269 * po/gold.pot: Updated by the Translation project.
1270
6a89f575
CC		 12712009-09-08 Cary Coutant <ccoutant@google.com>
1272
1273 * output.cc (Output_file::open): Add execute permission to empty file.
1274 * testsuite/Makefile.am (permission_test): New test.
1275 * testsuite/Makefile.in: Regenerate.
1276
fdcac5af
ILT		 12772009-09-02 Ian Lance Taylor <iant@google.com>
1278
1279 * output.cc (Output_file::resize): Call map_no_anonymous rather
1280 than map.
1281
44453f85
ILT		 12822009-09-01 Mikolaj Zalewski <mikolajz@google.com>
1283
1284 * gold.cc: Include "incremental.h".
1285 (queue_initial_tasks): Call Incremental_checker methods.
1286 * incremental.cc: Include "output.h".
1287 (Incremental_checker::can_incrementally_link_output_file): New
1288 method.
1289 * incremental.h (Incremental_checker): New class.
1290
1291 * output.cc (Output_file::open_for_modification): New method.
1292 (Output_file::map_anonymous): Changed return type to bool. Record
1293 map in base_ field.
1294 (Output_file::map_no_anonymous): New method, broken out of map.
1295 (Output_file::map): Use map_no_anonymous and map_anonymous.
1296 * output.h (class Output_file): Update declarations.
1297
293c1386
CC		 12982009-08-24 Cary Coutant <ccoutant@google.com>
1299
1300 * options.h (Command_line::Pre_options): New class.
1301 (Command_line::pre_options): New member.
1302 * options.cc (gold::options::ready_to_register): New variable.
1303 (One_option::register_option): Do nothing if not registering options.
1304 Assert if same short option registered twice.
1305 (General_options::General_options): Turn off option registration when
1306 done constructing.
1307 (Command_line::Pre_options::Pre_options): New constructor.
1308
f773f3d2
CC		 13092009-08-24 Cary Coutant <ccoutant@google.com>
1310
06a73cfe
CC		 1311 * options.h (General_options::no_keep_memory): Remove incorrect
1312 short option.
f773f3d2 1313
a15af8e2
RW		 13142009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1315
1316 * Makefile.am (am__skiplex, am__skipyacc): New.
1317 * Makefile.in: Regenerate.
1318
c462b41b
RW		 13192009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1320
14ec8efd
RW		 1321 * Makefile.am (AM_CPPFLAGS): Renamed from ...
1322 (INCLUDES): ... this.
1323 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1324 (AM_CPPFLAGS): Renamed from ...
1325 (INCLUDE): ... this.
1326 * Makefile.in, testsuite/Makefile.in: Regenerate.
1327
81ecdfbb
RW		 1328 * Makefile.in: Regenerate.
1329 * aclocal.m4: Likewise.
1330 * config.in: Likewise.
1331 * configure: Likewise.
1332 * testsuite/Makefile.in: Likewise.
1333
c462b41b
RW		 1334 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1335 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1336 * Makefile.in: Regenerate.
1337 * testsuite/Makefile.in: Regenerate.
1338
2da73f13
CC		 13392009-08-19 Cary Coutant <ccoutant@google.com>
1340
1341 * resolve.cc (Symbol_table::resolve): Don't complain about defined
1342 symbols in shared libraries overridden by hidden or internal symbols
1343 in the main program.
1344
2db70501
CD		 13452009-08-19 Chris Demetriou <cgd@google.com>
1346
1347 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1348 checking source file names in error messages.
1349
f733487b
DK		 13502009-08-18 Doug Kwan <dougkwan@google.com>
1351
1352 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1353 an elcpp::Ehdr as parameter. Adjust call to set_target.
1354 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1355 an elfcpp::Ehdr as parameter.
1356 * object.cc (Object::set_target): Remove the version that looks up
1357 a target and sets it.
1358 (Sized_relobj::setup): Take a Target object instead of
1359 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1360 (make_elf_sized_object): Find target and ask target to
1361 make an ELF object.
1362 * object.h: (Object::set_target): Remove the version that looks up
1363 a target and sets it.
1364 (Sized_relobj::setup): Take a Target object instead of
1365 an elfcpp:Ehdr as parameter.
1366 * target.cc: Include dynobj.h.
1367 (Target::do_make_elf_object_implementation): New.
1368 (Target::do_make_elf_object): New.
1369 * target.h (Target::make_elf_object): New template declaration.
1370 (Target::do_make_elf_object): New method declarations.
1371 (Target::do_make_elf_object_implementation): New template declaration.
1372
cc70f101
ILT		 13732009-08-14 Ian Lance Taylor <iant@google.com>
1374
1375 * gold.h (FUNCTION_NAME): Define.
1376 (gold_unreachable): Use FUNCTION_NAME.
1377
ef5e0cb1
ST		 13782009-08-12 Sriraman Tallam <tmsriram@google.com>
1379
1380 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1381 symbol in the --keep-unique list is not found.
1382
48c187ce
ST		 13832009-08-12 Sriraman Tallam <tmsriram@google.com>
1384
1385 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1386 been maked as --keep-unique.
1387 (Icf::unfold_section): New function.
1388 * icf.h (Icf::unfold_section): New function.
1389 * options.h (General_options::keep_unique): New option.
1390 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1391 * testsuite/Makefile.in: Regenerate.
1392 * testsuite/icf_keep_unique_test.sh: New file.
1393 * testsuite/icf_keep_unique_test.cc: New file.
1394
645afe0c
CC		 13952009-08-12 Cary Coutant <ccoutant@google.com>
1396
1397 PR 10471
1398 * resolve.cc (Symbol_table::resolve): Check for references from
1399 dynamic objects to hidden and internal symbols.
1400 * testsuite/Makefile.am (hidden_test.sh): New test.
1401 * testsuite/Makefile.in: Regenerate.
1402 * testsuite/hidden_test.sh: New script.
1403 * testsuite/hidden_test_1.c: New test source.
1404 * testsuite/hidden_test_main.c: New test source.
1405
11af873f
DK		 14062009-08-11 Doug Kwan <dougkwan@google.com>
1407
1408 * arm.cc: Update comments.
1409 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1410 segment to locate the .ARM.exidx section if present.
1411
b9f7d72d
DK		 14122009-08-09 Doug Kwan <dougkwan@google.com>
1413
1414 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1415 patch.
1416
ddd3c53c
ST		 14172009-08-07 Sriraman Tallam <tmsriram@google.com>
1418 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1419 compiler warnings.
1420
27721062
ST		 14212009-08-06 Sriraman Tallam <tmsriram@google.com>
1422
1423 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1424 valid tls_segment only for non-debug-section relocations.
1425 * testsuite/Makefile.am: Add gc_tls_test.
1426 * testsuite/Makefile.in: Regenerate.
1427 * testsuite/gc_tls_test.cc: New file.
1428 * testsuite/gc_tls_test.sh: New file.
1429
ef15dade
ST		 14302009-08-05 Sriraman Tallam <tmsriram@google.com>
1431
1432 * icf.cc: New file.
1433 * icf.h: New file.
1434 * Makefile.am (CCFILES): Add icf.cc.
1435 (HFILES): Add icf.h
1436 * Makefile.in: Regenerate.
1437 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1438 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1439 section, symbol and addend information for the relocs.
1440 * gold.cc (queue_middle_tasks): Call identical code folding.
1441 * gold.h: Add defines for multimap.
1442 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1443 to the call of finalize_local_symbols.
1444 * main.cc (main): Create object of class Icf.
1445 * object.cc (Sized_relobj::do_layout): Allow this function to be
1446 called twice during icf.
1447 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1448 to sections marked as identical by icf.
1449 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1450 when available.
1451 (Sized_relobj::do_section_entsize): New function.
1452 * object.h (Object::section_entsize): New function.
1453 (Object::do_section_entsize): New pure virtual function.
1454 (Relobj::finalize_local_symbols): Add new parameter.
1455 (Relobj::do_section_entsize): New function.
1456 * options.h (General_options::icf): New option.
1457 (General_options::icf_iterations): New option.
1458 (General_options::print_icf_sections): New option.
1459 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1460 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1461 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1462 icf.
1463 * symtab.cc (Symbol_table::is_section_folded): New function.
1464 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1465 to sections marked as identical by icf.
1466 * symtab.h (Symbol_table::set_icf): New function.
1467 (Symbol_table::icf): New function.
1468 (Symbol_table::is_section_folded): New function.
1469 (Symbol_table::icf_): New data member.
1470 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1471 * testsuite/Makefile.am: Add commands to build icf_test.
1472 * testsuite/Makefile.in: Regenerate.
1473 * testsuite/icf_test.sh: New file.
1474 * testsuite/icf_test.cc: New file.
1475
c3b65ac4
CD		 14762009-07-24 Chris Demetriou <cgd@google.com>
1477
1478 * layout.cc (is_compressible_debug_section): Fix incorrect
1479 comment about compressed section names.
1480
1caf2c51
ILT		 14812009-07-20 Ian Lance Taylor <ian@airs.com>
1482
1483 PR 10419
1484 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1485
1ef4d87f
ILT		 14862009-07-16 Ian Lance Taylor <iant@google.com>
1487
1488 PR 10400
1489 * layout.h: #include <map>.
1490 (class Kept_section): Change from struct to class. Add accessors
1491 and setters. Add section size to Comdat_group mapping. Change
1492 Comdat_group to std::map. Add is_comdat_ field. Add
1493 linkonce_size field in union.
1494 (class Layout): Update declaration of find_or_add_kept_section.
1495 Don't declare find_kept_object.
1496 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1497 parameter. Add object, shndx, is_comdat, and is_group_name
1498 parameters. Change all callers. Adjust for new Kept_section.
1499 (Layout::find_kept_object): Remove.
1500 * object.cc (Sized_relobj::include_section_group): Update use of
1501 Kept_section. Rename secnum to shndx. Only record
1502 Kept_comdat_section if sections are the same size.
1503 (Sized_relobj::include_linkonce_section): Update use of
1504 Kept_section. Only record Kept_comdat_section if sections are the
1505 same size. Set size of linkonce section.
1506 (Sized_relobj::map_to_kept_section): Update call to
1507 get_kept_comdat_section.
1508 * object.h (class Sized_relobj): Rename fields in
1509 Kept_comdat_section to drop trailing underscores; change object
1510 field to Relobj*. Change Kept_comdat_section_table to store
1511 struct rather than pointer.
1512 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1513 Add kept_object and kept_shndx parameters. Change all callers.
1514 (Sized_relobj::get_kept_comdat_section): Change return type to
1515 bool. Add kept_object and kept_shndx parameters. Change all
1516 callers.
1517 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1518 Layout::find_or_add_kept_section.
1519
37c3b7b0
ILT		 15202009-07-09 Ian Lance Taylor <iant@google.com>
1521
1522 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1523 Reserve space in the hash table.
1524
98fa85cb
ILT		 15252009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1526
1527 * fileread.cc (File_read::get_mtime): New method.
1528 * fileread.h (Timespec): New structure.
1529 (File_read::get_mtime): New method.
1530 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1531 Renamed from timestamp_nsec.
1532 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1533 Elf_Xword.
1534 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1535 timestamp_nsec.
1536 (Incremental_inputs::report_archive): Save mtime; style fix.
1537 (Incremental_inputs::report_obejct): Save mtime; style fix.
1538 (Incremental_inputs::report_script): Save mtime; style fix.
1539 (Incremental_inputs::finalize_inputs): Style fix.
1540 (Incremental_inputs::finalize): Style fix.
1541 (Incremental_inputs::create_input_section_data): Store inputs
1542 mtime.
1543 * incremental.h (Incremental_inputs::report_script): Add mtime
1544 argument.
1545 (Incremental_inputs::Input_info::Input_info): Intialize only one
1546 union member.
1547 (Incremental_inputs::Input_info::archive): Move to nameless
1548 union.
1549 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1550 (Incremental_inputs::Input_info::script): Move to nameless union.
1551 (Incremental_inputs::mtime): New field.
1552 * script.cc (read_input_script): Pass file mtime to
1553 Incremental_input.
1554 * script.h (Script_info::inputs): Style fix.
1555
c9d70757
ILT		 15562009-07-01 Ian Lance Taylor <ian@airs.com>
1557
1558 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1559 instead of 32.
1560
9c547ec3
ILT		 15612009-06-24 Ian Lance Taylor <iant@google.com>
1562
1563 PR 10156
1564 * layout.cc (Layout::choose_output_section): If we find an
1565 existing section, update the flags.
1566 (Layout::create_notes): New function, broken out of
1567 Layout::finalize.
1568 (Layout::finalize): Don't create note sections.
1569 (Layout::create_note): Don't crash if linker script discards
1570 section.
1571 (Layout::create_gold_note): Likewise.
1572 (Layout::create_build_id): Likewise. Don't set
1573 after_input_sections on the section.
1574 (Layout::create_executable_stack_info): Remove target parameter.
1575 Change caller.
1576 * layout.h (class Layout): Declare create_notes. Update
1577 declaration of create_executable_stack_info.
1578 * gold.cc (queue_middle_tasks): Call create_notes.
1579 * output.cc (Output_section::update_flags_for_input_section): Move
1580 here from output.h. If SHF_ALLOC flag is newly set, mark address
1581 invalid.
1582 * output.h (Output_data::mark_address_invalid): New function.
1583 (class Output_section): Only declare, not define,
1584 update_flags_for_input_section. Remove set_flags.
1585
55458500
ILT		 15862009-06-24 Ian Lance Taylor <iant@google.com>
1587
1588 * script-sections.cc (Output_section_definition::
1589 set_section_addresses): Rename shadowing local load_address to
1590 laddr.
1591
1307d6cd
ILT		 15922009-06-24 Ian Lance Taylor <iant@google.com>
1593
1594 PR 10244
1595 * reloc.cc (relocate_sections): Skip empty relocation sections.
1596
ec3f783e
ILT		 15972009-06-23 Ian Lance Taylor <iant@google.com>
1598
1599 PR 10156
1600 * layout.cc (Layout::create_note): Use choose_output_section
1601 rather than make_output_section.
1602
459c9f1c
ILT		 16032009-06-23 Ian Lance Taylor <iant@google.com>
1604
1605 PR 10237
1606 * options.cc (General_options::parse_V): Set printed_version_.
1607 (General_options::General_options): Initialize printed_version_.
1608 * options.h (class General_options): Add printed_version_ field.
1609 * gold.cc (queue_initial_tasks): If there are no input files,
1610 don't give a fatal error if we printed the version information.
1611 (queue_middle_tasks): If using -r with a shared object, give a
1612 fatal error rather than an ordinary error.
1613
1518dc8f
ILT		 16142009-06-23 Ian Lance Taylor <iant@google.com>
1615
1616 PR 10219
1617 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1618 (Layout::make_output_section): Set have_stabstr_section_ if we see
1619 a .stab*str section.
1620 (Layout::finalize): Call link_stabs_sections.
1621 (Layout::link_stabs_sections): New file.
1622 * layout.h (class Layout): Add have_stabstr_section_ field.
1623 Declare link_stabs_sections.
1624
3d857b98
DK		 16252009-06-23 Doug Kwan <dougkwan@google.com>
1626
1627 * Makefile.am (libgold_a_LIBADD): New.
1628 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1629 * Makefile.in: Regenerate.
1630 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1631 * configure: Regenerate.
1632 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1633 * fileread.cc: Include sys/state.h
1634 * gold.h: Declare memmem and strndup if found missing.
1635 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1636
0639a6f6
ILT		 16372009-06-23 Ian Lance Taylor <iant@google.com>
1638
1639 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1640 * configure: Rebuild.
1641
8d63875c
ILT		 16422009-06-23 Ian Lance Taylor <iant@google.com>
1643
1644 PR 10147
1645 * object.cc (Object::section_contents): Don't try to get a view if
1646 the section has length zero.
1647 (Object::handle_gnu_warning_section): If the section is empty, use
1648 the name of the section as the warning.
1649
f7c8a183
ILT		 16502009-06-23 Ian Lance Taylor <iant@google.com>
1651
1652 PR 10133
1653 * stringpool.h (class Stringpool_template): Add optimize_ field.
1654 (Stringpool_template::set_optimize): New function.
1655 * stringpool.cc (Stringpool_template::Stringpool_template):
1656 Initialize optimize_ field.
1657 (Stringpool_template::set_string_offsets): Test local optimize
1658 fild rather than parameter.
1659 * layout.cc (Layout::Layout): Call set_optimize on the section
1660 name stringpool.
1661
e6a307ba
ILT		 16622009-06-22 Ian Lance Taylor <iant@google.com>
1663
1664 PR 10030
1665 * yyscript.y: Parse TARGET.
1666 * script.cc (script_set_target): New function.
1667 * script-c.h (script_set_target): Declare.
1668 * options.cc (General_options::string_to_object_format): Rename
1669 from string_to_object_format in anonymous namespace. Change
1670 callers.
1671 * options.h (class General_options): Declare
1672 string_to_object_format.
1673
3ee173de
ILT		 16742009-06-22 Ian Lance Taylor <iant@google.com>
1675
1676 * script-sections.cc (Script_sections::create_segments): Don't put
1677 program headers in a PT_LOAD segment if -n or -N.
1678
16792009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 1680
1681 PR 10141
1682 * options.h (class General_options): Add -z lazy and -z now. Sort
1683 -z options into alphabetical order.
1684 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1685
cd6739a1 16862009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 1687
1688 * layout.cc (Layout::make_output_section): Call
1689 Target::new_output_section.
1690 (Layout::attach_allocated_section_to_segment): Put large section
1691 sections in a separate load segment with the large segment flag
1692 set.
1693 (Layout::segment_precedes): Sort large data segments after other
1694 load segments.
1695 (align_file_offset): New static function.
1696 (Layout::set_segment_offsets): Use align_file_offset.
1697 * output.h (class Output_section): Add is_small_section_ and
1698 is_large_section_ fields.
1699 (Output_section::is_small_section): New function.
1700 (Output_section::set_is_small_section): New function.
1701 (Output_section::is_large_section): New function.
1702 (Output_section::set_is_large_section): New function.
1703 (Output_section::is_large_data_section): New function.
1704 (class Output_segment): Add is_large_data_segment_ field.
1705 (Output_segment::is_large_data_segment): New function.
1706 (Output_segment::set_is_large_data_segment): New function.
1707 * output.cc (Output_section::Output_section): Initialize new
1708 fields.
1709 (Output_segment::Output_segment): Likewise.
1710 (Output_segment::add_output_section): Add assertion that large
1711 data sections always go in large data segments. Force small data
1712 sections to the end of the list of data sections. Force small BSS
1713 sections to the start of the list of BSS sections. For large BSS
1714 sections to the end of the list of BSS sections.
1715 * symtab.h (class Symbol): Declare is_common_shndx.
1716 (Symbol::is_defined): Check Symbol::is_common_shndx.
1717 (Symbol::is_common): Likewise.
1718 (class Symbol_table): Define enum Commons_section_type. Update
1719 declarations. Add small_commons_ and large_commons_ fields.
1720 * symtab.cc (Symbol::is_common_shndx): New function.
1721 (Symbol_table::Symbol_table): Initialize new fields.
1722 (Symbol_table::add_from_object): Put small and large common
1723 symbols in the right list.
1724 (Symbol_table::sized_finalized_symbol): Check
1725 Symbol::is_common_shndx.
1726 (Symbol_table::sized_write_globals): Likewise.
1727 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1728 common symbol lists. Don't call do_allocate_commons_list if the
1729 list is empty.
1730 (Symbol_table::do_allocate_commons_list): Remove is_tls
1731 parameter. Add comons_section_type parameter. Change all
1732 callers. Handle small and large common symbols.
1733 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1734 Symbol::is_common_shndx.
1735 * resolve.cc (symbol_to_bits): Likewise.
1736 * target.h (Target::small_common_shndx): New function.
1737 (Target::small_common_section_flags): New function.
1738 (Target::large_common_shndx): New function.
1739 (Target::large_common_section_flags): New function.
1740 (Target::new_output_section): New function.
1741 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1742 small_common_section_flags, and large_common_section_flags
1743 fields.
1744 (Target::do_new_output_section): New virtual function.
1745 * arm.cc (Target_arm::arm_info): Initialize new fields.
1746 * i386.cc (Target_i386::i386_info): Likewise.
1747 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1748 Likewise.
1749 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1750 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1751 (Target_x86_64::do_new_output_section): New function.
1752 * configure.ac: Define conditional MCMODEL_MEDIUM.
1753 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1754 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1755 (large_LDFLAGS): Define.
1756 * testsuite/large.c: New file.
1757 * testsuite/testfile.cc (Target_test::test_target_info):
1758 Initialize new fields.
1759 * configure, testsuite/Makefile.in: Rebuild.
1760
bb04269c
DK		 17612009-06-05 Doug Kwan <dougkwan@google.com>
1762
1763 * Makefile.am (CCFILES): Add target.cc.
1764 * Makefile.in: Regenerate.
1765 * i386.cc (class Target_i386): Define new virtual method to
1766 override do_is_local_label_name in parent.
1767 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1768 local symbols if --discard-locals or -X is given.
1769 * options.h (class General_options): Declare new options
1770 '--discard-locals' and '-X' for discarding locals.
1771 * target.h (class Target): Define new methods is_local_label_name.
1772 Declare new virtual method do_is_local_label_name.
1773 * target.cc: New file.
1774 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1775 (check_SCRIPTS): Add discard_locals_test.sh.
1776 (check_DATA): Add discard_local_tests.syms.
1777 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1778 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1779 * testsuite/Makefile.in: Regenerate.
1780 * testsuite/discard_locals_test.c: New file.
1781 * testsuite/discard_locals_test.sh: Same.
1782
805bb01c
DK		 17832009-06-05 Doug Kwan <dougkwan@google.com>
1784
1785 * object.cc (Sized_relobj::Sized_relobj): Initialize
1786 discarded_eh_frame_shndx_ to -1U.
1787 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1788 section.
1789 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1790 a discarded .eh_frame section.
1791 (Sized_relobj::do_finalize_local_symbols): Ditto.
1792 * object.h (class Sized_relobj): Declare new member
1793 discarded_eh_frame_shndx_.
1794 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1795 (local_labels_test.o, local_labels_test): New rules.
1796 * testsuite/Makefile.in: Regenerate.
1797
1dcd334d
DK		 17982009-06-04 Doug Kwan <dougkwan@google.com>
1799
1800 * layout.cc (Layout::section_name_mapping): Add mapping for
1801 special ARM sections.
1802
96d49306
DK		 18032009-06-03 Doug Kwan <dougkwan@google.com>
1804
1805 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1806 (utils::has_overflow): Same.
1807
dff16297
ILT		 18082009-06-03 Ian Lance Taylor <iant@google.com>
1809
1810 * layout.cc (Layout::section_name_mapping): New array, replacing
1811 Layout::linkonce_mapping.
1812 (Layout::section_name_mapping_count): New variable, replacing
1813 Layout::linkonce_mapping_count.
1814 (Layout::linkonce_output_name): Remove.
1815 (Layout::output_section_name): Rewrite.
1816 * layout.h (class Layout): Rename Linkonce_mapping to
1817 Section_name_mapping, linkonce_mapping to section_name_mapping,
1818 linkonce_mapping_count to section_name_mapping_count. Don't
1819 declare linkonce_output_name.
1820
c121c671
DK		 18212009-06-03 Doug Kwan <dougkwan@google.com>
1822
1823 * gold/arm.cc (namespace utils): New.
1824 (Target_arm::reloc_is_non_pic): Define new method.
1825 (class Arm_relocate_functions): New.
1826 (Target_arm::Relocate::relocate): Handle relocation types used by
1827 Android.
1828
07800fab
ILT		 18292009-06-03 Ian Lance Taylor <iant@google.com>
1830
1831 * arm.cc (Target_arm::scan::global): Use || instead of |.
1832
c121c671
DK		 18332009-06-02 Doug Kwan <dougkwan@google.com>
1834
1835 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1836 issued_non_pic_error_.
1837 (class Target_arm::Scan): Declare new method check_non_pic.
1838 Define new method symbol_needs_plt_entry.
1839 Declare new data member issued_non_pic_error_.
1840 (class Target_arm::Relocate): Declare new method
1841 should_apply_static_reloc.
1842 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1843 (Target_arm::Scan::check_non_pic): Define new method.
1844 (Target_arm::Scan::local): Handle a small subset of reloc types used
1845 by Android.
1846 (Target_arm::Scan::local): Same.
1847 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1848
b19b0c6d
ILT		 18492009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1850
1851 * incremental.cc (Incremental_inputs::report_command_line): Filter
1852 out --incremental-* options.
1853
94cdfcff
DK		 18542009-05-29 Doug Kwan <dougkwan@google.com>
1855
1856 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1857 template class.
1858 (class Target_arm): Update comment.
1859 (Target_arm::Target_arm): Initialize new data members GOT_,
1860 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1861 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1862 and Target_arm::rel_dyn_section.
1863 Declare new_enum Target_arm::Got_type.
1864 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1865 and DYNBSS_.
1866 Update commments for member do_dynsym_value.
1867 (Target_arm::got_size, Target_arm::plt_section,
1868 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1869 new methods inside class defintion.
1870 (Target_arm::got_section): Define new method.
1871 (Target_arm::rel_dyn_section): Same.
1872 (Output_data_plt_arm): New template class.
1873 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1874 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1875 (Output_data_plt_arm::add_entry): Same.
1876 (Output_data_plt_arm::first_plt_entry): Define new
1877 static data member for PLT instruction template.
1878 (Output_data_plt_arm::plt_entry): Same.
1879 (Output_data_plt_arm::do_write): Define new method.
1880 (Target_arm::make_plt_entry): Same.
1881 (Target_arm::do_finalize_sections): Same.
1882 (Target_arm::do_dynsym_value): Same.
1883
4a657b0d
DK		 18842009-05-28 Doug Kwan <dougkwan@google.com>
1885
1886 * Makefile.am (TARGETSOURCES): Add arm.cc.
1887 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1888 * Makefile.in: Regenerate.
1889 * arm.cc: New file.
1890 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1891
e7ae8c36
DK		 18922009-05-26 Doug Kwan <dougkwan@google.com>
1893
1894 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1895 (General_options::check_excluded_libs): Strip off directories in
1896 archive name before matching like GNU ld does.
1897 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1898 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1899 (exclude_libs_test_LDFLAGS): Add linker option
1900 -Wl,--exclude-libs,libexclude_libs_test_3
1901 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1902 an explicit archive without using -l.
1903 (alt/libexclude_libs_test_3.a): New make rule.
1904 * testsuite/Makefile.in: Regenerate.
1905 * testsuite/exclude_libs_test.c : Declare lib3_default().
1906 (main): Call it.
1907 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1908 * exclude_libs_test_3.c: New file.
1909
f12e7348
NC		 19102009-05-26 Nick Clifton <nickc@redhat.com>
1911
1912 * po/id.po: New Indonesian translation.
1913 * po/gold.pot: Updated template file.
1914
4daadc0d
ST		 19152009-05-22 Sriraman Tallam <tmsriram@google.com>
1916
1917 * testsuite/Makefile.am: Add -ffunction-sections to compile
1918 gc_comdat_test files. Add -Wl,--gc-sections to build
1919 gc_comdat_test.
1920 * testsuite/Makefile.in: Regenerate.
1921 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1922
531813ad
ST		 19232009-05-21 Sriraman Tallam <tmsriram@google.com>
1924
1925 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1926 kept comdat section was garbage collected.
1927 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1928 * testsuite/Makefile.in: Regenerate.
1929 * testsuite/gc_comdat_test.sh: New file.
1930 * testsuite/gc_comdat_test_1.cc: New file.
1931 * testsuite/gc_comdat_test_2.cc: New file.
1932
65514900
CC		 19332009-05-19 Doug Kwan <dougkwan@google.com>
1934
1935 * archive.cc (Archive::Archive): Move constructor from archive.h
1936 to here. Initialize no_export_.
1937 (Archive::get_elf_object_for_member): Set no_export flag of object.
1938 * archive.h (Archive::Archive): Move constructor body to
1939 archive.cc.
1940 (Archive::no_export): New method.
1941 (Archive::no_export_): New field.
1942 * object.h (Object::Object): Initialize no_export_ to false.
1943 (Object::no_export, Object::set_no_export): New methods.
1944 (Object::no_export_): New field.
1945 * options.cc (General_options::parse_exclude_libs): New method.
1946 (General_options::check_excluded_libs) Same.
1947 * options.h (exclude_libs): New option.
1948 (General_options::check_excluded_libs): New method declaration.
1949 (General_options::excluded_libs_): New field.
1950 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1951 default or protected visibility if an object has no-export flag set.
1952 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1953 (check_SCRIPTS): Add exclude_libs_test.sh.
1954 (check_DATA): Add exclude_libs_test.syms.
1955 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1956 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1957 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1958 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1959 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1960 libexclude_libs_test_2.a): New rules.
1961 * testsuite/Makefile.in: Regenerate.
1962 * testsuite/exclude_libs_test.c: New file.
1963 * testsuite/exclude_libs_test.sh: Ditto.
1964 * testsuite/exclude_libs_test_1.c: Ditto.
1965 * testsuite/exclude_libs_test_2.c: Ditto.
1966
1b77ea50
ILT		 19672009-05-15 Ian Lance Taylor <iant@google.com>
1968
1969 * configure.ac: Check for declarations for cases where libiberty.h
1970 checks HAVE_DECL_xxx.
1971 * configure, config.in: Rebuild.
1972
072fe7ce
ILT		 19732009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1974
1975 * gold.h (Incremental_argument_list): Remove (invalid) forward
1976 declaration.
1977 * incremental.cc (Incremental_inputs::report_achive): New method.
1978 (Incremental_inputs::report_object): New method.
1979 (Incremental_inputs::report_script): New method.
1980 (Incremental_inputs::finalize_inputs): New method.
1981 (Incremental_inputs::finalize): Call finalize_inputs().
1982 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1983 Create inputs entries.
1984 * incremental.h (Incremental_input_type): New enum.
1985 (Incremental_inputs::Incremental_input): Initialize new fields.
1986 (Incremental_inputs::report_inputs): New method.
1987 (Incremental_inputs::report_achive): New method.
1988 (Incremental_inputs::report_object): New method.
1989 (Incremental_inputs::report_script): New method.
1990 (Incremental_inputs::finalize_inputs): New method.
1991 (Incremental_inputs::Input_info): New struct.
1992 (Incremental_inputs::Input_info_map): New typedef.
1993 (Incremental_inputs::lock_): New field.
1994 (Incremental_inputs::Inputs_): New field.
1995 (Incremental_inputs::Inputs_map): New field.
1996 * main.cc (main): Call Incremental_input::report_inputs.
1997 * options.h (Input_argument_list): Typedef moved from
1998 Input_arguments.
1999 (Input_file_group::Files): Remove, use ::Input_argument_list.
2000 (Input_file_group::Input_argument_list): Remove, use
2001 ::Input_argument_list.
2002 * plugin.cc (Plugin_manager::add_input_file): Add error in
2003 incremental build.
2004 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2005 functions.
2006 * script.cc (read_input_script): Call
2007 Incremental_input::report_script.
2008 * script.h (Script_info): New class.
2009
b0481b0b
ILT		 20102009-04-27 Ian Lance Taylor <iant@google.com>
2011
2012 * x86_64.cc (do_adjust_output_section): Set entsize to
2013 plt_entry_size.
2014
b22a5a41 20152009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 2016
2017 * output.cc (Output_file::close): After short writes, continue
2018 writing from the correct offset in the buffer being written.
2019
40fde488
CD		 20202009-04-23 Chris Demetriou <cgd@google.com>
2021
2022 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2023 * configure: Regenerate.
2024 * config.in: Regenerate.
2025 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2026 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2027
3ce2c28e
ILT		 20282009-04-21 Mikolaj Zalewski <mikolajz@google.com>
2029
2030 * incremental.cc (Incremental_inputs_header_data): Renamed from
2031 Incremental_input_header_data.
2032 (Incremental_inputs_header_data::data_size): New field.
2033 (Incremental_inputs_header_data::put_input_file_count): Renamed
2034 from input_file_count.
2035 (Incremental_inputs_header_data::put_command_line_offset): Renamed
2036 from command_line_offset.
2037 (Incremental_inputs_header_data::put_reserved): Renamed from
2038 put_reserved.
2039 (Incremental_inputs_entry_data): Renamed from
2040 Incremental_input_entry_data.
2041 (Incremental_inputs_entry_data::data_size): New field.
2042 (Incremental_inputs::report_command_line): New method.
2043 (Incremental_inputs::finalize): New method.
2044 (Incremental_inputs::create_incremental_inputs_data): New method.
2045 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2046 * incremental.h: New file.
2047 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2048 (Layout::finalize): Create incremental inputs section in
2049 incremental builds.
2050 (Layout::create_incremental_info_sections): New method.
2051 * layout.h (Layout::incremental_inputs): New method.
2052 (Layout::create_incremental_info_sections): New method.
2053 (Layout::incremental_inputs_): New field.
2054 * main.cc (main): Notify Incremental_input of the command line.
2055
e55bde5e
ILT		 20562009-04-01 Ian Lance Taylor <iant@google.com>
2057 Mikolaj Zalewski <mikolajz@google.com>
2058
2059 * gold.h (reserve_unordered_map): Define, three versions, one for
2060 each version of Unordered_map.
2061 * layout.cc (Layout::Layout): Remove options parameter. Add
2062 number_of_input_files parameter. Don't initialize options_.
2063 Initialize number_of_input_files_ and resized_signatures_. Move
2064 sections_are_attached_.
2065 (Layout::layout_group): Reserve space for group_signatures_.
2066 (Layout::find_or_add_kept_section): Change name parameter to be a
2067 reference. Resize signatures_ map when it gets large enough.
2068 (Layout::layout_eh_frame): Use parameters->options() instead of
2069 this->options_.
2070 (Layout::make_output_section): Likewise.
2071 (Layout::attach_allocated_section_to_segment): Likewise.
2072 (Layout::finalize, Layout::create_executable_stack): Likewise.
2073 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2074 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2075 * layout.h (class Layout): Update declarations. Remove options_
2076 field. Add number_of_input_files_ and resized_signatures_
2077 fields. Move sections_are_attached_ field.
2078 * main.cc (main): Pass number of input files to Layout
2079 constructor. Don't pass options.
2080
154b857c
ILT		 20812009-03-30 Ian Lance Taylor <iant@google.com>
2082
2083 * ffsll.c (ffsll): Correct implementation.
2084
2f35ab9b
ILT		 20852009-03-27 Ian Lance Taylor <iant@google.com>
2086
fd03461a
ILT		 2087 * ffsll.c: New file.
2088 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2089 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2090 * ftruncate.c (ftruncate): Declare before definition.
2091 * mremap.c (mremap): Likewise.
2092 * pread.c (pread): Likewise.
2093 * configure, Makefile.in, config.in: Rebuild.
2094
2f35ab9b
ILT		 2095 * mremap.c: New file.
2096 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2097 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2098 (mremap): Declare if HAVE_MREMAP is not defined.
2099 * configure, Makefile.in, config.in: Rebuild.
2100
33aea2fd
CC		 21012009-03-27 Cary Coutant <ccoutant@google.com>
2102
2103 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2104 position independent.
2105 * sparc.cc (Target_sparc::check_non_pic): Likewise.
2106 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2107
6d479619
CC		 21082009-03-24 Cary Coutant <ccoutant@google.com>
2109
2110 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2111 an executable.
2112 (needs_dynamic_reloc): Likewise.
2113
afc06bb8
ILT		 21142009-03-24 Ian Lance Taylor <iant@google.com>
2115
2116 * yyscript.y (file_cmd): Recognize EXTERN.
2117 (extern_name_list, extern_name_list_body): New nonterminals.
2118 * script.cc (script_add_extern): Define.
2119 * script-c.h (script_add_extern): Declare.
2120
f6060a4d
ILT		 21212009-03-24 Rafael Avila de Espindola <espindola@google.com>
2122
2123 * object.cc (is_elf_object): Define.
2124 * object.h (is_elf_object): Declare.
2125 * archive.cc (Archive::get_elf_object_for_member): Call
2126 is_elf_object.
33aea2fd 2127 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 2128
26736d8e
ILT		 21292009-03-24 Elliott Hughes <enh@google.com>
2130
2131 * output.cc (Output_file::map_anonymous): Define.
2132 (Output_file::map): Use map_anonymous. If the regular mmap fails,
2133 try an anonymous one. Report the size if the mmap fails.
2134 * output.h (class Output_file): Declare map_anonymous.
2135
22fd9730
ILT		 21362009-03-24 Ian Lance Taylor <iant@google.com>
2137
2138 * target-select.cc (instantiate_target): Don't acquire the lock if
2139 the instantiated_target_ field has already been set.
2140
cb010894
ILT		 21412009-03-23 Ian Lance Taylor <iant@google.com>
2142
7f055c20
ILT		 2143 * gold-threads.h (class Initialize_lock): Define.
2144 * gold-threads.cc (class Initialize_lock_once): Define.
2145 (initialize_lock_control): New static variable.
2146 (initialize_lock_pointer): New static variable.
2147 (initialize_lock_once): New static function.
2148 (Initialize_lock::Initialize_lock): Define.
2149 (Initialize_lock::initialize): Define.
2150 * target-select.h: Include "gold-threads.h".
2151 (class Target_selector): Add lock_ and initialize_lock_ fields.
2152 Don't define instantiate_target, just declare it.
2153 * target-select.cc (Target_selector::Target_selector): Initialize
2154 new fields.
2155 (Target_selector::instantiate_target): Define.
2156 * descriptors.h: Include "gold-threads.h".
2157 (class Descriptors): Add initialize_lock_ field.
2158 * descriptors.cc (Descriptors::Descriptors): Initialize new
2159 field.
2160 (Descriptors::open): Use initialize_lock_ field
2161 * errors.h (class Errors): Add initialize_lock_ field.
2162 * errors.cc (Errors::Errors): Initialize new field.
2163 (Errors::initialize_lock): Use initialize_lock_ field.
2164 * powerpc.cc (class Target_selector_powerpc): Remove
2165 instantiated_target_ field. In do_recognize call
2166 instantiate_target rather than do_instantiate_target. In
2167 do_instantiate_target just allocate a new target.
2168 * sparc.cc (class Target_selector_sparc): Likewise.
2169
36959681
ILT		 2170 * freebsd.h: New file.
2171 * i386.cc: Include "freebsd.h".
2172 (Target_i386): Derive from Target_freebsd rather than
2173 Sized_target.
2174 (Target_selector_i386): Derive from Target_selector_freebsd rather
2175 than Target_selector.
2176 * x86_64.cc: Include "freebsd.h".
2177 (Target_x86_64): Derive from Target_freebsd rather than
2178 Sized_target.
2179 (Target_selector_x86_64): Derive from Target_selector_freebsd
2180 rather than Target_selector.
2181 * target.h (class Target): Add adjust_elf_header and
2182 do_adjust_elf_header.
2183 * output.cc (Output_file_header:: do_sized_write): Call target
2184 adjust_elf_header routine.
2185 * configure.tgt: Set targ_osabi.
2186 * configure.ac: Define GOLD_DEFAULT_OSABI.
2187 * parameters.cc (Parameters::default_target): Pass
2188 GOLD_DEFAULT_OSABI to select_target.
2189 * target-select.h (class Target_selector): Make instantiate_target
2190 protected rather than private.
2191 * Makefile.am (HFILES): Add freebsd.h.
2192 * configure, Makefile.in, config.in: Rebuild.
2193
cb010894
ILT		 2194 * merge.cc (do_add_input_section): Correct pend value. Change
2195 message about last entry not being null terminated from error to
2196 warning.
2197
0e879927
ILT		 21982009-03-20 Mikolaj Zalewski <mikolajz@google.com>
2199
2200 * incremental.cc: New file.
2201 * Makefile.am (CCFILES): Add incremental.cc.
2202 * Makefile.in: Rebuild.
2203
41105937
PP		 22042009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
2205
2206 * layout.cc (Layout::output_section_name): Preserve names
2207 of '.note.' sections.
2208
60439920
ILT		 22092009-03-19 Ian Lance Taylor <iant@google.com>
2210
2211 * descriptors.cc (Descriptors::open): Check that the options are
2212 valid before using them.
2213
0d371ad3
ILT		 22142009-03-18 Ian Lance Taylor <iant@google.com>
2215
2216 * script-sections.h: Include <list>.
2217 (class Script_sections): Change Sections_elements from std::vector
2218 to std::list. Typedef public Elements_iterator. Add
2219 orphan_section_placement_, data_segment_align_start_, and
2220 saw_data_segment_align_ fields. Remove data_segment_align_index_
2221 field.
2222 * script-sections.cc (class Orphan_section_placement): New class.
2223 (class Sections_element): Add virtual functions is_relro and
2224 orphan_section_init. Remove virtual function place_orphan_here.
2225 (class Output_section_definition): Add is_relro and
2226 orphan_section_init. Remove place_orphan_here.
2227 (class Orphan_output_section): Likewise.
2228 (Script_sections::Script_sections): Update for field changes.
2229 (Script_sections::data_segment_align): Set saw_data_segment_align_
2230 and data_segment_align_start_, not data_segment_align_index.
2231 (Script_sections::data_segment_relro_end): Check
2232 saw_data_segment_align_. Use data_segment_align_start_ rather
2233 than data_segment_align_index_.
2234 (Script_sections::place_orphan): Rewrite to use
2235 Orphan_section_placement.
2236
9201d894
ILT		 22372009-03-17 Ian Lance Taylor <iant@google.com>
2238
9c5b8369
ILT		 2239 * archive.cc (Archive::add_symbols): Check for a version attached
2240 to the symbol name in the archive map.
2241 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2242 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2243 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2244 (ver_test_11.a): New target.
2245 * testsuite/Makefile.in: Rebuild.
2246
9201d894
ILT		 2247 * configure.ac: Check for chsize and posix_fallocate. Replace
2248 ftruncate.
2249 * ftruncate.c: New file, from gnulib.
2250 * output.cc (posix_fallocate): Define dummy version if not
2251 HAVE_POSIX_FALLOCATE.
2252 (Output_file::map): Call posix_fallocate rather than lseek and
2253 write.
2254 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2255 * configure, Makefile.in, config.in: Rebuild.
2256
ef4ab7a8
PP		 22572009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
2258
2259 * layout.h (Layout::create_note): Add section_name parameter.
2260 * layout.cc (Layout::create_note): Likewise.
2261 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2262
8c500701
ILT		 22632009-03-17 Ian Lance Taylor <iant@google.com>
2264
e85b18e1
ILT		 2265 * descriptors.cc: Include "options.h".
2266 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2267 (Descriptors::open): Always use O_CLOEXEC when opening a new
2268 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
2269 then set FD_CLOEXEC.
2270
9efe6174
ILT		 2271 * sparc.cc (class Target_sparc): Add has_got_section.
2272 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2273 make sure we have a GOT section.
2274
2275 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2276 (Target_sparc::Scan::local): Likewise.
2277 (Target_sparc::Scan::global): Likewise.
2278 (Target_sparc::Relocate::relocate): Likewise.
2279 (Target_sparc::Relocate::relocate_tls): Likewise.
2280
8c500701
ILT		 2281 * symtab.cc (Symbol_table::define_default_version): New function,
2282 broken out of add_from_object.
2283 (Symbol_table::add_from_object): Call define_default_version.
2284 (Symbol_table::define_special_symbol): Add resolve_oldsym
2285 parameter. Change all callers. If the version for a symbol comes
2286 from a version script, resolve it with the symbol with the same
2287 name with no version. Also add the symbol without a version if
2288 appropriate.
2289 (do_define_in_output_data): If resolving with oldsym, don't delete
2290 sym.
2291 (do_define_in_output_segment): Likewise.
2292 (do_define_as_constant): Likewise.
2293 * symtab.h (class Symbol_table): Update declarations.
2294
f1ed28fb
ILT		 22952009-03-13 Ian Lance Taylor <iant@google.com>
2296
15f8229b
ILT		 2297 * readsyms.cc (Read_symbols::incompatible_warning): New function.
2298 (Read_symbols::requeue): New function.
2299 (Read_symbols::do_read_symbols): If make_elf_object fails because
2300 the target type is not configured, and the file was searched for,
2301 issue a warning and retry with the next directory.
2302 (Add_symbols::run): If the file has an incompatible format, and
2303 it was searched for, requeue the Read_symbols task. On error,
2304 release the object.
2305 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
2306 dirindex parameter to constructor. Change all callers. Declare
2307 incompatible_warning and requeue.
2308 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2309 input_argument_ and input_group_ fields. Add them to
2310 constructor. Change all callers.
2311 (class Read_script): Add dirindex_ field. Add it to constructor.
2312 Change all callers.
2313 * archive.cc (Archive::setup): Remove input_objects parameter.
2314 Change all callers.
2315 (Archive::get_file_and_offset): Likewise.
2316 (Archive::read_all_symbols): Likewise.
2317 (Archive::read_symbols): Likewise.
2318 (Archive::get_elf_object_for_member): Remove input_objects
2319 parameter. Add punconfigured parameter. Change all callers.
2320 (Archive::add_symbols): Change return type to bool. Check return
2321 value of include_member.
2322 (Archive::include_all_members): Likewise.
2323 (Archive::include_member): Change return type to bool. Return
2324 false if first included object has incompatible target. Set
2325 included_member_ field.
2326 (Add_archive_symbols::run): If add_symbols returns false, requeue
2327 Read_symbols task.
2328 * archive.h (class Archive): Add included_member_ field.
2329 Initialize it in constructor. Add input_file and searched_for
2330 methods. Update declarations.
2331 (class Add_archive_symbols): Add dirpath_, dirindex_, and
2332 input_argument_ fields. Add them to constructor. Change all
2333 callers.
2334 * script.cc: Include "target-select.h".
2335 (class Parser_closure): Add skip_on_incompatible_target_ and
2336 found_incompatible_target_ fields. Add
2337 skip_on_incompatible_target parameter to constructor. Change all
2338 callers. Add methods skip_on_incompatible_target,
2339 clear_skip_on_incompatible_target, found_incompatible_target, and
2340 set_found_incompatible_target.
2341 (read_input_script): Add dirindex parameter. Change all callers.
2342 If parser finds an incompatible target, requeue Read_symbols
2343 task.
2344 (script_set_symbol): Clear skip_on_incompatible_target in
2345 closure.
2346 (script_add_assertion, script_parse_option): Likewise.
2347 (script_start_sections, script_add_phdr): Likewise.
2348 (script_check_output_format): New function.
2349 * script.h (read_input_script): Update declaration.
2350 * script-c.h (script_check_output_format): Declare.
2351 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2352 (ignore_cmd): Remove OUTPUT_FORMAT.
2353 * fileread.cc (Input_file::Input_file): Add explicit this.
2354 (Input_file::will_search_for): New function.
2355 (Input_file::open): Add pindex parameter. Change all callers.
2356 * fileread.h (class Input_file): Add input_file_argument method.
2357 Declare will_search_for. Update declarations.
2358 * object.cc (make_elf_object): Add punconfigured parameter.
2359 Change all callers.
2360 * object.h (class Object): Make input_file public. Add
2361 searched_for method.
2362 (make_elf_object): Update declaration.
2363 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2364 restart search.
2365 * dirsearch.h (class Dirsearch): Update declaration.
2366 * options.h (class General_options): Add --warn-search-mismatch.
2367 * parameters.cc (Parameters::is_compatible_target): New function.
2368 * parameters.h (class Parameters): Declare is_compatible_target.
2369 * workqueue.cc (Workqueue::add_blocker): New function.
2370 * workqueue.h (class Workqueue): Declare add_blocker.
2371
f1ed28fb
ILT		 2372 * fileread.cc (Input_file::open): Remove options parameter.
2373 Change all callers.
2374 (Input_file::open_binary): Likewise.
2375 * script.cc (read_input_script): Likewise.
2376 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2377 options parameter from constructor. Change all callers.
2378 (class Read_script): Likewise.
2379 * fileread.h (class Input_file): Update declarations.
2380 * script.h (read_input_script): Update declaration.
2381
34dd024a
NC		 23822009-03-10 Nick Clifton <nickc@redhat.com>
2383
2384 * po/es.po: New Spanish translation.
2385
6d71b17c
CC		 23862009-03-06 Cary Coutant <ccoutant@google.com>
2387
2388 * options.cc (parse_short_option): Keep dash_z from registering itself.
2389
031cdbed
ILT		 23902009-03-03 Ian Lance Taylor <iant@google.com>
2391
2392 PR 9918
2393 * target-reloc.h (relocate_section): Pass output_section to
2394 relocate.
2395 * i386.cc (Target_i386::should_apply_static_reloc): Add
2396 output_section parameter. Change all callers.
2397 (Target_i386::Relocate::relocate): Add output_section parameter.
2398 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2399 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2400 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2401 * testsuite/two_file_shared.sh: New script.
2402 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2403 (check_DATA): Add two_file_shared.dbg.
2404 (two_file_shared.dbg): New target.
2405 * testsuite/Makefile.in: Rebuild.
2406
15d5fa16
ILT		 24072009-03-01 Ian Lance Taylor <iant@google.com>
2408
2409 * configure.ac: Check for byteswap.h.
2410 * configure: Rebuild.
2411 * config.in: Rebuild.
2412
8a4c0b0d
ILT		 24132009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2414
2415 * layout.cc (Layout::find_or_add_kept_section): New function.
2416 (Layout::add_comdat): Removed.
2417 * layout.h (struct Kept_section): Move out of class Layout.
2418 Remove trailing underscores from field names. Add group_sections
2419 field. Rename group_ field to is_group. Change all uses.
2420 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2421 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2422 comdat_groups_ field.
2423 (Sized_relobj::include_section_group): Use
2424 find_or_add_kept_section and Kept_section::group_sections.
2425 (Sized_relobj::include_linkonce_section): Likewise.
2426 * object.cc (class Sized_relobj): Don't define Comdat_group or
2427 Comdat_group_table. Remove find_comdat_group and
2428 add_comdat_group. Remove comdat_groups_ field.
2429 * plugin.cc (include_comdat_group): Use
2430 Layout::find_or_add_kept_section.
2431
b4ecf66b
ILT		 24322009-02-28 Ian Lance Taylor <iant@google.com>
2433
14359ca0
ILT		 2434 * README: --gc-sections and map files are now supported. Document
2435 some build requirements.
2436
b4ecf66b
ILT		 2437 PR 6992
2438 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2439 relocatable link set the value of the section symbol to zero.
2440 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2441 relocatable link don't include the section address in the local
2442 symbol value.
2443
0602e05a
ILT		 24442009-02-27 Ian Lance Taylor <iant@google.com>
2445
fd9d194f
ILT		 2446 PR 6811
2447 * options.h (class Search_directory): Add is_system_directory.
2448 (class General_options): Declare is_in_system_directory.
2449 * options.cc (get_relative_sysroot): Make static.
2450 (get_default_sysroot): Make static.
2451 (General_optoins::is_in_system_directory): New function.
2452 * fileread.cc (Input_file::is_in_system_directory): New function.
2453 * fileread.h (class Input_file): Declare is_in_system_directory.
2454 * object.h (class Object): Add is_in_system_directory.
2455 (class Input_objects): Remove system_library_directory_ field.
2456 * object.cc (Input_objects::add_object): Don't set
2457 system_library_directory_.
2458 (input_objects::found_in_system_library_directory): Remove.
2459 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2460 parameter. Change all callers.
2461 (Symbol_table::sized_write_globals): Likewise.
2462 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2463 Call Object::is_in_system_directory.
2464 * symtab.h (class Symbol_table): Update declarations.
2465
61edd21f
ILT		 2466 PR 5990
2467 * descriptors.h (Open_descriptor): Add is_on_stack field.
2468 * descriptors.cc (Descriptors::open): If the descriptor is on the
2469 top of the stack, remove it. Initialize is_on_stack field.
2470 (Descriptors::release): Only add pod to stack if it is not on the
2471 stack already.
2472 (Descriptors::close_some_descriptor): Clear stack_next and
2473 is_on_stack fields.
2474
e29e076a
ILT		 2475 PR 7091
2476 * output.cc (Output_section::find_starting_output_address): Rename
2477 from starting_output_address; add PADDR parameter; change return
2478 type.
2479 * output.h (class Output_section): Declare
2480 find_starting_output_address instead of starting_output_address.
2481 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2482 section symbol for which we can't find a merge section.
2483
0602e05a
ILT		 2484 PR 9836
2485 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2486 hidden or internal, force the symbol to be local.
2487 * resolve.cc (Symbol::override_visibility): Define.
2488 (Symbol::override_base): Use override_visibility.
2489 (Symbol_table::resolve): Likewise.
2490 (Symbol::override_base_with_special): Likewise.
2491 (Symbol_table::override_with_special): If the visibility is hidden
2492 or internal, force the symbol to be local.
2493 * symtab.h (class Symbol): Add set_visibility and
2494 override_visibility.
2495 * testsuite/ver_test_1.sh: New file.
2496 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2497 (check_DATA): Add ver_test_1.syms.
2498 (ver_test_1.syms): New target.
2499 * testsuite/Makefile.in: Rebuild.
2500
401a9a73
CC		 25012009-02-25 Cary Coutant <ccoutant@google.com>
2502
2503 * layout.cc (Layout::choose_output_section): Don't rename sections
2504 when using a linker script that has a SECTIONS clause.
2505 * Makefile.in: Regenerate.
2506
2507 * testsuite/Makefile.am (script_test_5.sh): New test case.
2508 * testsuite/Makefile.in: Regenerate.
2509 * testsuite/script_test_5.cc: New file.
2510 * testsuite/script_test_5.sh: New file.
2511 * testsuite/script_test_5.t: New file.
2512
f488e4b0
CC		 25132009-02-13 Rafael Avila de Espindola <espindola@google.com>
2514
2515 * archive.cc (Archive::include_member): Update calls to add_symbols.
2516 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2517 the Layout argument.
2518 * dynobj.h (do_add_symbols): Add the Layout argument.
2519 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2520 Layout argument.
2521 * object.h (Object::add_symbols): Add the Layout argument.
2522 (Object::do_add_symbols): Add the Layout argument.
2523 (Sized_relobj::do_add_symbols): Add the Layout argument.
2524 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2525 Unify the two versions.
2526 (Add_plugin_symbols): Remove.
2527 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2528 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2529 (Add_plugin_symbols): Remove.
2530 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2531 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2532 (Add_symbols::run): Make it work with Pulginobj.
2533
89dd1680
ILT		 25342009-02-06 Ian Lance Taylor <iant@google.com>
2535
2536 * object.cc (Sized_relobj::do_layout): Make info message start
2537 with lower case letter.
2538
266d0a74
ILT		 25392009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2540
602b464e
ILT		 2541 * binary.cc: Fix file comment.
2542
266d0a74
ILT		 2543 * options.h (enum Incremental_disposition): Define.
2544 (class General_options): Add new options: --incremental,
2545 --incremental_changed, --incremental_unchanged,
2546 --incremental_unknown. Add incremental_disposition_ and
2547 implicit_incremental_ fields.
2548 (General_options::incremental_disposition): New function.
2549 (class Position_dependent_options): Add incremental_disposition
2550 option.
2551 (Position_dependent_options::copy_from_options): Set incremental
2552 dispositions.
2553 * options.cc (General_options::parse_incremental_changed): New
2554 function.
2555 (General_options::parse_incremental_unchanged): New function.
2556 (General_options::parse_incremental_unknown): New function.
2557 (General_options::General_options): Initialize new fields
2558 incremental_disposition_ and implicit_incremental_.
2559 (General_options::finalize): Check for uasge of --incremental-*
2560 without --incremental.
2561
f073bbf7
CD		 25622009-02-06 Chris Demetriou <cgd@google.com>
2563
2564 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2565 pointer and to report location as the file name associated with
2566 the symbol.
2567 (gold_undefined_symbol_at_location): New function to replace the
2568 old gold_undefined_symbol functionality.
2569 * target-reloc.h (relocate_section): Update to use
2570 gold_undefined_symbol_at_location.
2571 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2572 Call gold_undefined_symbol function rather than gold_error.
2573 * errors.h (Errors::undefined_symbol): Take location as a
2574 string, rather than calculating it from a relocation.
2575 * errors.cc (Errors::fatal): Print "fatal error:" before the
2576 formatted message.
2577 (Errors::error, Errors::error_at_location): Print "error: "
2578 before the formatted message.
2579 (Errors::undefined_symbol): Take location as a string, rather
2580 than calculating it from a relocation.
2581 (gold_undefined_symbol_at_location): New function akin to
2582 old gold_undefined_symbol, calculates location from relocation.
2583 (gold_undefined_symbol): Change to take only a Symbol pointer
2584 and to report location as the file name associated with the symbol.
2585 * testsuite/debug_msg.sh: Update for changed error messages.
2586 * testsuite/undef_symbol.sh: Likewise.
2587
8e94a90c
ILT		 25882009-02-04 Duncan Sands <baldrick@free.fr>
2589
2590 PR 9812
2591 * reduced_debug_output.h
2592 (Output_reduced_debug_abbrev_section::failed): Use format for
2593 gold_warning.
2594 (Output_reduced_debug_info_section::faild): Likewise.
2595
88a0e15b
ILT		 25962009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2597
2598 * script.cc (Lazy_demangler): New class.
2599 (Version_script_info::get_symbol_version_helper): Demangle a
2600 symbol only once.
2601
5efc7cd2
CC		 26022009-01-29 Cary Coutant <ccoutant@google.com>
2603
2604 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2605 to __tls_get_addr.
2606 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2607
e0ebcf42
ILT		 26082009-01-28 Ian Lance Taylor <iant@google.com>
2609
5efc7cd2 2610 * version.cc (version_string): Bump to 1.9.
75fe7426 2611
e0ebcf42
ILT		 2612 * gold.h: Include <cstring> and <stdint.h>.
2613 * version.cc: Include <cstdio>.
2614 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2615 warning.
2616 * reduced_debug_output.cc (insert_into_vector): Rename from
2617 Insert_into_vector; change all callers. Use Swap_unaligned to
2618 avoid aliasing issue; remove union since it is unnecessary.
2619
8e2813be 26202009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 2621
2622 * Makefile.am (CCFILES): Add gc.cc.
2623 (HFILES): Add gc.h.
2624 * Makefile.in: Regenerate.
2625 * gold.cc (Gc_runner): New class.
2626 (queue_initial_tasks): Call garbage collection related tasks
2627 when corresponding options are invoked.
2628 (queue_middle_gc_tasks): New function.
2629 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2630 processed early before laying out sections during garbage collection.
2631 * gold.h (queue_middle_gc_tasks): New function.
2632 (is_prefix_of): Move from "layout.cc".
2633 * i386.cc (Target_i386::gc_process_relocs): New function.
2634 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2635 * main.cc (main): Create object of class "Garbage_collection".
2636 * object.cc (Relobj::copy_symbols_data): New function.
2637 (Relobj::is_section_name_included): New function.
2638 (Sized_relobj::do_layout): Allow this function to be called twice
2639 during garbage collection and defer layout of section during the
2640 first call.
2641 * object.h (Relobj::get_symbols_data): New function.
2642 (Relobj::is_section_name_included): New function.
2643 (Relobj::copy_symbols_data): New function.
2644 (Relobj::set_symbols_data): New function.
2645 (Relobj::get_relocs_data): New function.
2646 (Relobj::set_relocs_data): New function.
2647 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2648 (Relobj::gc_process_relocs): New function.
2649 (Relobj::do_gc_process_relocs): New pure virtual function.
2650 (Relobj::sd_): New data member.
2651 (Sized_relobj::is_output_section_offset_invalid): New function.
2652 (Sized_relobj::do_gc_process_relocs): New function.
2653 * options.h (General_options::gc_sections): Modify to not be a no-op.
2654 (General_options::print_gc_sections): New option.
2655 * plugin.cc (Plugin_finish::run): Remove function call to
2656 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2657 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2658 * reloc.cc (Read_relocs::run): Add task to process relocs and
2659 determine unreferenced sections when doing garbage collection.
2660 (Gc_process_relocs): New class.
2661 (Sized_relobj::do_gc_process_relocs): New function.
2662 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2663 sections that are garbage collected.
2664 * reloc.h (Gc_process_relocs): New class.
2665 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2666 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2667 symbols whose corresponding sections are garbage collected.
2668 (Symbol_table::Symbol_table): Add new parameter for the garbage
2669 collection object.
2670 (Symbol_table::gc_mark_undef_symbols): New function.
2671 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2672 (Symbol_table::gc_mark_dyn_syms): New function.
2673 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2674 as garbage.
2675 (Symbol_table::add_from_object): Likewise.
2676 (Symbol_table::add_from_relobj): When building shared objects, do not
2677 treat externally visible symbols as garbage.
2678 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2679 table information for static and relocatable links.
2680 * symtab.h (Symbol_table::set_gc): New function.
2681 (Symbol_table::gc): New function.
2682 (Symbol_table::gc_mark_undef_symbols): New function.
2683 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2684 (Symbol_table::gc_mark_dyn_syms): New function.
2685 (Symbol_table::gc_): New data member.
2686 * target.h (Sized_target::gc_process_relocs): New pure virtual
2687 function.
2688 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2689 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2690
3b293544
CF		 26912009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2692
2693 * options.h (General_options::gc_sections): Define as a no-op for now.
2694 (General_options::no_keep_memory): Ditto.
2695 (General_options::Bshareable): Define.
2696 * options.cc (General_options::finalize): Honor -Bshareable.
2697
83d22aa8
AS		 26982009-01-20 Andreas Schwab <schwab@suse.de>
2699
2700 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2701 read the value in the contents, since we don't use it. Use the
2702 template endianness when writing.
2703 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2704
cd536b21
AS		 27052009-01-19 Andreas Schwab <schwab@suse.de>
2706
2707 * configure.tgt (powerpc64-*): Fix targ_obj.
2708
99e9a495
ILT		 27092009-01-15 Ian Lance Taylor <iant@google.com>
2710
2711 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2712 local symbols when stripping all symbols.
2713
bbbfea06
CC		 27142009-01-14 Cary Coutant <ccoutant@google.com>
2715
99e9a495 2716 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 2717
0f7c0701
CC		 27182009-01-14 Cary Coutant <ccoutant@google.com>
2719
2720 * archive.cc (Archive::get_elf_object_for_member): Remove call
2721 to File_read::claim_for_plugin.
2722 * descriptors.cc (Descriptors::open): Remove reference to
2723 is_claimed.
2724 (Descriptors::claim_for_plugin): Remove.
2725 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2726 (Descriptors::is_claimed): Remove.
2727 (claim_descriptor_for_plugin): Remove.
2728 * fileread.cc (File_read::claim_for_plugin): Remove.
2729 * fileread.h (File_read::claim_for_plugin): Remove.
2730 (File_read::descriptor): Reopen descriptor if necessary.
2731 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2732 (Plugin_manager::all_symbols_read): Add task parameter. Change
2733 all callers.
2734 (Plugin_manager::get_input_file): New function.
2735 (Plugin_manager::release_input_file): New function.
2736 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2737 corresponding data member.
2738 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2739 and pass to base constructor. Change all callers.
2740 (get_input_file, release_input_file): New functions.
2741 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2742 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2743 (Plugin_manager::all_symbols_read): Add task parameter.
2744 (Plugin_manager::get_input_file): New function.
2745 (Plugin_manager::release_input_file): New function.
2746 (Plugin_manager::task_): New data member.
2747 (Pluginobj::Pluginobj): Add filesize parameter.
2748 (Pluginobj::filename): New function.
2749 (Pluginobj::descriptor): New function.
2750 (Pluginobj::filesize): New function.
2751 (Pluginobj::filesize_): New data member.
2752 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2753 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2754 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2755
2756 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2757 with archive libraries.
2758 * testsuite/Makefile.in: Regenerate.
2759 * testsuite/plugin_test.c (struct sym_info): New type.
2760 (get_input_file, release_input_file): New static variables.
2761 (onload): Capture new transfer vector entries.
2762 (claim_file_hook): Stop reading at end of file according to filesize.
2763 Factor out parsing of readelf output into separate function.
2764 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2765 APIs and get the source file name from the symbol table. Convert
2766 source file name to corresponding object file name. Print info
2767 message when adding new input files.
2768 (parse_readelf_line): New function.
2769 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2770 * testsuite/plugin_test_2.sh: Likewise.
2771 * testsuite/plugin_test_3.sh: Likewise.
2772 * testsuite/plugin_test_4.sh: New test case.
2773
62a6d109
ILT		 27742009-01-07 Ian Lance Taylor <iant@google.com>
2775
2776 * version.cc (version_string): Bump to 1.8.
2777
483620e8
CC		 27782008-12-23 Cary Coutant <ccoutant@google.com>
2779
2780 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2781 * plugin.cc (Plugin_manager::finish): Rename as
2782 layout_deferred_objects. Move cleanup to separate function.
2783 (Plugin_manager::cleanup): New function.
2784 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2785 separately.
2786 * plugin.h (Plugin_manager::finish): Rename as
2787 layout_deferred_objects.
2788 (Plugin_manager::cleanup): New function.
2789 (Plugin_manager::cleanup_done): New field.
2790
d66a9eb3
CC		 27912008-12-23 Cary Coutant <ccoutant@google.com>
2792
2793 * plugin.cc (is_visible_from_outside): New function.
2794 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2795 so we don't return "IR only" status for exported symbols or -r links.
2796
2797 * testsuite/Makefile.am (plugin_test_3): New test case.
2798 * testsuite/Makefile.in: Regenerate.
2799 * testsuite/plugin_test_3.sh: New file.
2800
5995b570
CC		 28012008-12-22 Cary Coutant <ccoutant@google.com>
2802
2803 * object.cc (Sized_relobj::layout_section): New function.
2804 (Sized_relobj::do_layout): Defer layout of input sections until after
2805 plugin has provided replacement files.
2806 (Sized_relobj::do_layout_deferred_sections): New function.
2807 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2808 (Relobj::layout_deferred_sections): New function.
2809 (Relobj::do_layout_deferred_sections): New function.
2810 (Sized_relobj::do_layout_deferred_sections): New function.
2811 (Sized_relobj::layout_section): New function.
2812 (Sized_relobj::Deferred_layout): New structure.
2813 (Sized_relobj::deferred_layout_): New field.
2814 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2815 Change all callers. Layout deferred sections.
2816 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2817 references.
2818 (Plugin_hook::run): Move code from do_plugin_hook inline.
2819 (Plugin_hook::do_plugin_hook): Remove.
2820 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2821 (Plugin_manager::finish): Renamed, was cleanup.
2822 (Plugin_manager::should_defer_layout): New function.
2823 (Plugin_manager::add_deferred_layout_object): New function.
2824 (Plugin_manager::Deferred_layout_list): New type.
2825 (Plugin_manager::deferred_layout_objects_): New field.
2826 (Plugin_hook::do_plugin_hook): Remove.
2827
ee769c88
ILT		 28282008-12-17 Ian Lance Taylor <iant@google.com>
2829
2830 * options.h (class General_options): Add --no case for
2831 --export-dynamic.
2832
abc8dcba
CC		 28332008-12-16 Cary Coutant <ccoutant@google.com>
2834
2835 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2836 vector.
2837 (Plugin_manager::claim_file): Create plugin object even if
2838 plugin did not call the add_symbols callback.
2839 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2840 asking for more symbols than were added.
2841 * testsuite/Makefile.am (plugin_test_1): Add test case with
2842 no global symbols.
2843 (empty.syms): New target.
2844 * testsuite/Makefile.in: Regenerate.
2845 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2846 message. Don't call add_symbols if no globals.
2847 (all_symbols_read_hook): Don't provide replacement for empty
2848 claimed file.
2849
b0074644
ILT		 28502008-12-12 Ian Lance Taylor <iant@google.com>
2851
68943102
ILT		 2852 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2853 r_type == 0 for a local symbol with r_sym == 0.
2854 (scan_relocatable_relocs): Pass r_sym to
2855 local_non_section_strategy.
2856 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2857 r_sym parameter.
2858
b0074644
ILT		 2859 * configure.ac: Update test for TLS descriptors: they are
2860 supported as of glibc 2.9.
2861 * configure: Rebuild.
2862
c2508178
ILT		 28632008-12-11 Ian Lance Taylor <iant@google.com>
2864
2865 PR 7091
2866 * target-reloc.h (Default_scan_relocatable_relocs): For each
2867 function, map r_type == 0 to RELOC_DISCARD.
2868
2756a258
CC		 28692008-12-10 Cary Coutant <ccoutant@google.com>
2870
2871 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2872 object to override a kept COMDAT group from a plugin object.
2873
bb6f53d3
ILT		 28742008-12-09 Ian Lance Taylor <iant@google.com>
2875
fbc558e1
ILT		 2876 PR 7088
2877 * yyscript.y (file_cmd): Handle INPUT.
2878
bb6f53d3
ILT		 2879 * testsuite/initpri1.c: Change all declarations to be full
2880 prototypes by adding void, to avoid compiler warnings.
2881
4674ecfc
CC		 28822008-12-05 Rafael Avila de Espindola <espindola@google.com>
2883
2884 * options.cc (General_options::parse_plugin_opt): New.
2885 (General_options::add_plugin): The argument now is just the filename.
2886 (General_options::add_plugin_option): New.
2887 * options.h (plugin_opt): New.
2888 (add_plugin): Change argument name.
2889 (add_plugin_option): New.
2890 * plugin.cc (Plugin::load): Don't parse the plugin option.
2891 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2892 (Plugin::add_option): New.
2893 (Plugin::args_): Change type.
2894 (Plugin::filename_): New.
2895 (Plugin_manager::add_plugin_option): New.
2896 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2897 * testsuite/Makefile.in: Regenerate.
2898
fd06b4aa
CC		 28992008-12-05 Cary Coutant <ccoutant@google.com>
2900
2901 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2902 Handle --strip-lto-sections option.
2903 * options.h (strip_lto_sections): New option.
2904
6c52134c
CC		 29052008-12-01 Cary Coutant <ccoutant@google.com>
2906
2907 * plugin.cc (ld_plugin_message): Change format parameter to const.
2908 Fix mismatch between new[] and delete.
2909
a45248e0
CC		 29102008-11-14 Cary Coutant <ccoutant@google.com>
2911
2912 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2913 instead of -1U.
2914
c82fbeee
CS		 29152008-11-05 Craig Silverstein <csilvers@google.com>
2916
2917 * options.cc (General_options::parse_dynamic_list): New function.
2918 * options.h (General_options): New flags dynamic_list,
2919 dynamic_list_data, dynamic_list_cpp_new, and
2920 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2921 (General_options::in_dynamic_list): New function.
2922 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2923 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2924 (Lex::can_continue_name): Likewise.
2925 (yylex): Likewise.
2926 (read_script_file): New parameter script_options.
2927 (read_dynamic_list): New function.
2928 (Script_options::define_dynamic_list): New function.
2929 (dynamic_list_keyword_parsecodes): New variable.
2930 (dynamic_list_keywords): New variable.
2931 * script.h (Script_options::define_dynamic_list): New function
2932 prototype.
2933 (read_dynamic_list): New function prototype.
2934 * symtab.cc (strprefix): New macro.
2935 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2936 dynamic_list_data, dynamic_list_cpp_new, and
2937 dynamic_list_cpp_typeinfo.
2938 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2939 (dynamic_list_expr): New rule.
2940 (dynamic_list_nodes): Likewise.
2941 (dynamic_list_node): Likewise.
2942 * testsuite/Makefile.am (dynamic_list): New test.
2943 * testsuite/Makefile.in: Regenerated.
2944 * testsuite/dynamic_list.t: New file.
2945 * testsuite/dynamic_list.sh: New file.
2946
e0bb29a5
CS		 29472008-11-05 Craig Silverstein <csilvers@google.com>
2948
2949 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2950 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2951 (t11_last): Likewise.
2952 * testsuite/ver_test_6.c (main): Likewise.
2953
4e1e25e0
CC		 29542008-10-07 Cary Coutant <ccoutant@google.com>
2955
2956 * options.c (General_options::finalize): Add check for -static and
2957 -shared.
2958 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2959 is not empty.
2960
92f03fcb
CC		 29612008-10-02 Cary Coutant <ccoutant@google.com>
2962
2963 * plugin.cc (make_sized_plugin_object): Fix conditional
2964 compilation to work when not all targets are enabled.
2965
fbd8a257
CC		 29662008-09-29 Cary Coutant <ccoutant@google.com>
2967
2968 * archive.cc (Archive::get_file_and_offset): Use filename instead
2969 of name to get library path.
2970 (Archive::include_member): Unlock external member of a thin archive.
2971
2972 * testsuite/Makefile.am (TEST_AR): New variable.
2973 (thin_archive_test_1): New test.
2974 (thin_archive_test_2): New test.
81636b3f
CC		 2975 * testsuite/Makefile.in: Regenerate.
2976 * testsuite/thin_archive_main.cc: New file.
2977 * testsuite/thin_archive_test_1.cc: New file.
2978 * testsuite/thin_archive_test_2.cc: New file.
2979 * testsuite/thin_archive_test_3.cc: New file.
2980 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 2981
eff45813
CC		 29822008-09-29 Cary Coutant <ccoutant@google.com>
2983
2984 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2985 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2986 instead of -1U.
2987 (Sized_relobj::do_finalize_local_symbols): Likewise.
2988 (Sized_relobj::map_to_kept_section): Likewise.
2989 * object.h (Sized_relobj::invalid_address): New constant.
2990 (Sized_relobj::do_output_section_offset): Check for invalid_address
2991 and return -1ULL.
2992 * output.cc (Output_reloc::local_section_offset): Use constant
2993 invalid_address instead of -1U.
2994 (Output_reloc::get_address): Likewise.
2995 (Output_section::output_address): Change -1U to -1ULL.
2996 * output.h (Output_reloc::invalid_address): New constant.
2997 * reloc.cc (Sized_relobj::write_sections): Use constant
2998 invalid_address instead of -1U.
2999 (Sized_relobj::relocate_sections): Likewise.
3000 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3001 values for merge sections.
3002 * target-reloc.h (relocate_for_relocatable): Use constant
3003 invalid_address instead of -1U.
3004
89fc3421
CC		 30052008-09-19 Cary Coutant <ccoutant@google.com>
3006
3007 Add plugin functionality for link-time optimization (LTO).
3008 * configure.ac (plugins): Add --enable-plugins option.
3009 * configure: Regenerate.
3010 * config.in: Regenerate.
3011 * Makefile.am (LIBDL): New variable.
3012 (CCFILES): Add plugin.cc.
3013 (HFILES): Add plugin.h.
3014 (ldadd_var): Add LIBDL.
3015 * Makefile.in: Regenerate.
3016
3017 * archive.cc: Include "plugin.h".
3018 (Archive::setup): Don't preread archive symbols when using a plugin.
3019 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
3020 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3021 files.
3022 (Archive::include_member): Add symbols from plugin objects.
3023 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3024 * descriptors.cc (Descriptors::open): Check for file descriptors
3025 abandoned by plugins.
3026 (Descriptors::claim_for_plugin): New function.
3027 * descriptors.h (Descriptors::claim_for_plugin): New function.
3028 (Open_descriptor::is_claimed): New field.
3029 (claim_descriptor_for_plugin): New function.
3030 * fileread.cc (File_read::claim_for_plugin): New function.
3031 * fileread.h (File_read::claim_for_plugin): New function.
3032 (File_read::descriptor): New function.
3033 * gold.cc: Include "plugin.h".
3034 (queue_initial_tasks): Add task to call plugin hooks for generating
3035 new object files.
3036 * main.cc: Include "plugin.h".
3037 (main): Load plugin libraries.
3038 * object.h (Pluginobj): Declare.
3039 (Object::pluginobj): New function.
3040 (Object::do_pluginobj): New function.
3041 (Object::set_target): New function.
3042 * options.cc: Include "plugin.h".
3043 (General_options::parse_plugin): New function.
3044 (General_options::General_options): Initialize plugins_ field.
3045 (General_options::add_plugin): New function.
3046 * options.h (Plugin_manager): Declare.
3047 (General_options): Add --plugin option.
3048 (General_options::has_plugins): New function.
3049 (General_options::plugins): New function.
3050 (General_options::add_plugin): New function.
3051 (General_options::plugins_): New field.
3052 * plugin.cc: New file.
3053 * plugin.h: New file.
3054 * readsyms.cc: Include "plugin.h".
3055 (Read_symbols::do_read_symbols): Check for archive before checking
3056 for ELF file. Call plugin hooks to claim files.
3057 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3058 from a real object file; force override when processing replacement
3059 files.
3060 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3061 (Symbol::init_base_object): Likewise.
3062 (Symbol::init_base_output_data): Likewise.
3063 (Symbol::init_base_output_segment): Likewise.
3064 (Symbol::init_base_constant): Likewise.
3065 (Symbol::init_base_undefined): Likewise.
3066 (Symbol::output_section): Assert that object is not a plugin.
3067 (Symbol_table::add_from_pluginobj): New function.
3068 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3069 undefined.
3070 (Symbol_table::sized_write_globals): Likewise.
3071 (Symbol_table::add_from_pluginobj): Instantiate template.
3072 * symtab.h (Sized_pluginobj): Declare.
3073 (Symbol::in_real_elf): New function.
3074 (Symbol::set_in_real_elf): New function.
3075 (Symbol::in_real_elf_): New field.
3076 (Symbol_table::add_from_pluginobj): New function.
3077
3078 * testsuite/Makefile.am (AM_CFLAGS): New variable.
3079 (LIBDL): New variable.
3080 (LDADD): Add LIBDL.
3081 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3082 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3083 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3084 (MOSTLYCLEANFILES): Likewise.
3085 * testsuite/Makefile.in: Regenerate.
3086 * testsuite/plugin_test.c: New file.
3087 * testsuite/plugin_test_1.sh: New file.
3088 * testsuite/plugin_test_2.sh: New file.
3089
de31bda5
ILT		 30902008-09-16 Ian Lance Taylor <iant@google.com>
3091
9c2d0ef9
ILT		 3092 * target-reloc.h (relocate_section): Check whether a symbol is
3093 defined by the ABI before reporting an undefined symbol error.
3094 * target.h (Target::is_defined_by_abi): Make parameter const.
3095 (Target::do_is_defined_by_abi): Likewise.
3096 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3097 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3098 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3099 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3100 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3101 * testsuite/Makefile.in: Rebuild.
3102
de31bda5
ILT		 3103 * fileread.cc (make_view): Add casts to avoid warning.
3104
9fa33bee
AO		 31052008-09-16 Alexandre Oliva <aoliva@redhat.com>
3106
3107 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3108 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3109
183fd0e3
AO		 31102008-09-16 Alexandre Oliva <aoliva@redhat.com>
3111
3112 * options.h (General_options::output_is_executable): New.
3113 (General_options::output_is_pie): New.
3114 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3115 for shared libraries.
3116 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3117
7be8330a
CD		 31182008-09-11 Chris Demetriou <cgd@google.com>
3119
3120 * options.h (origin): New -z option.
3121 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3122 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3123 in DT_FLAGS_1.
3124
a9caad02
CC		 31252008-09-05 Cary Coutant <ccoutant@google.com>
3126
3127 * fileread.cc (File_read::make_view): Add check for attempt to map
3128 beyond end of file.
3129
ae6dce4d
CC		 31302008-09-05 Cary Coutant <ccoutant@google.com>
3131
3132 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3133 explicit instantiations.
3134
d7ab2a47
KVH		 31352008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
3136
3137 PR gold/6858
3138 * options.cc (General_options::finalize): Allow undefined symbols
3139 in shlibs if linking -shared.
3140
3141 PR gold/6859
3142 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3143 symbols as not needing a dynsym entry.
3144
1e52a9c1
CS		 31452008-08-20 Craig Silverstein <csilvers@google.com>
3146
3147 * fileread.cc (File_read::open): Do not lock the file unless it
3148 was successfully opened.
3149
d85c80a3
CC		 31502008-08-14 Cary Coutant <ccoutant@google.com>
3151
3152 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3153 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3154 * testsuite/tls_test.cc (struct int128): 128-bit struct
3155 for testing TLS relocs with non-zero addend.
3156 (v12): New TLS variable.
3157 (t12): New test.
3158 (t_last): Add check for v12.
3159 * testsuite/tls_test.h (t12): New function.
3160 * testsuite/tls_test_main.cc (thread_routine): Call new test.
3161
2d924fd9
ILT		 31622008-08-13 Ian Lance Taylor <iant@google.com>
3163
3164 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3165 set tls_segment_ or relro_segment_.
3166 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3167 when appropriate.
3168 * output.h (Output_section::clear_is_relro): New function.
3169 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3170 sections specially even when output_data_ is empty.
3171 (Output_segment::maximum_alignment): When first section is relro,
3172 only force alignment for PT_LOAD segments.
3173 * script.cc (script_data_segment_align): New function.
3174 (script_data_segment_relro_end): New function.
3175 * script-c.h (script_data_segment_align): Declare.
3176 (script_data_segment_relro_end): Declare.
3177 * script-sections.h (class Script_sections): Declare
3178 data_segment_align and data_segment_relro_end. Add fields
3179 segment_align_index_ and saw_relro_end_.
3180 * script-sections.cc (class Sections_element): Add set_is_relro
3181 virtual function. Add new bool* parameter to place_orphan_here.
3182 Add get_output_section virtual function.
3183 (class Output_section_definition): Add set_is_relro. Add new
3184 bool* parameter to place_orphan_here. Add get_output_section.
3185 Add is_relro_ field.
3186 (Output_section_definition::Output_section_definition): Initialize
3187 evaluated_address_, evaluated_load_address, evaluated_addralign_,
3188 and is_relro_ fields.
3189 (Output_section_definition::place_orphan_here): Add is_relro
3190 parameter.
3191 (Output_section_definition::set_section_addresses): Set relro for
3192 output section.
3193 (Output_section_definition::alternate_constraint): Likewise.
3194 (class Orphan_output_section): Add new bool* parameter to
3195 place_orphan_here. Add get_output_section.
3196 (Orphan_output_section::place_orphan_here): Add is_relro
3197 parameter.
3198 (Script_sections::Script_sections): Initialize
3199 data_segment_align_index_ and saw_relro_end_.
3200 (Script_sections::data_segment_align): New function.
3201 (Script_sections::data_segment_relro_end): New function.
3202 (Script_sections::place_orphan): Set or clear is_relro.
3203 (Script_sections::set_section_addresses): Force alignment of first
3204 TLS section.
3205 * yyscript.y (exp): Call script_data_segment_align and
3206 script_data_segment_relro_end.
3207 * testsuite/relro_script_test.t: New file.
3208 * testsuite/relro_test.cc (using_script): Declare.
3209 (t1, t2): Test using_script.
3210 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3211 (relro_script_test_SOURCES): Define.
3212 (relro_script_test_DEPENDENCIES): Define.
3213 (relro_script_test_LDFLAGS): Define.
3214 (relro_script_test_LDADD): Define.
3215 (relro_script_test.so): New target.
3216 * testsuite/Makefile.in: Rebuild.
3217
f827c9a9
CC		 32182008-08-06 Cary Coutant <ccoutant@google.com>
3219
3220 * archive.cc (Archive::total_archives, Archive::total_members)
3221 (Archive::total_members_loaded): New variables.
3222 (Archive::setup): Add parameter. Add option to preread
3223 archive symbols.
3224 (Archive::read_armap): Add counter.
3225 (Archive::get_file_and_offset): New function.
3226 (Archive::get_elf_object_for_member): New function.
3227 (Archive::read_all_symbols): New function.
3228 (Archive::read_symbols): New function.
3229 (Archive::add_symbols): Add counters.
3230 (Archive::include_all_members): Use armap to find members if it's
3231 already built.
3232 (Archive::include_member): Skip reading symbols if already read.
3233 Factored code into Archive::get_file_and_offset and
3234 Archive::get_elf_object_for_member. Changed call to
3235 Mapfile::report_include_archive_member.
3236 (Archive::print_stats): New function.
3237 * archive.h: Declare Object and Read_symbols_data classes.
3238 (Archive::Archive): Add initializers for new members.
3239 (Archive::setup): Add parameter.
3240 (Archive::print_stats): New function.
3241 (Archive::total_archives, Archive::total_members)
3242 (Archive::total_members_loaded): New variables.
3243 (Archive::get_file_and_offset): New function.
3244 (Archive::get_elf_object_for_member): New function.
3245 (Archive::read_all_symbols): New function.
3246 (Archive::read_symbols): New function.
3247 (Archive::Archive_member): New class.
3248 (Archive::members_): New member.
3249 (Archive::num_members_): New member.
3250 * main.cc: Include archive.h.
3251 (main): Call Archive::print_stats.
3252 * mapfile.cc (Mapfile::report_include_archive_member): Delete
3253 archive parameter; member_name is now the fully-decorated name.
3254 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3255 * options.h: (General_options): Add --preread-archive-symbols option.
3256 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3257 Archive::setup.
3258
de4c45bd
ILT		 32592008-08-04 Ian Lance Taylor <iant@google.com>
3260
3261 * symtab.h (Symbol::use_plt_offset): New function.
3262 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3263 * powerpc.cc (Relocate::relocate): Likewise.
3264 * sparc.cc (Relocate::relocate): Likewise.
3265 * x86_64.cc (Relocate::relocate): Likewise.
3266 * testsuite/weak_plt.sh: New test.
3267 * testsuite/weak_plt_main.cc: New test.
3268 * testsuite/weak_plt_shared.cc: New test.
3269 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3270 (check_PROGRAMS): Add weak_plt.
3271 (check_DATA): Add weak_plt_shared.so.
3272 (weak_plt_main_pic.o, weak_plt): New targets.
3273 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3274 * testsuite/Makefile.in: Rebuild.
3275
3276 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3277 gcctestdir/ld.
3278 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3279 * testsuite/Makefile.in: Rebuild.
3280
323ee3f4
AM		 32812008-08-04 Alan Modra <amodra@bigpond.net.au>
3282
3283 * Makefile.am (POTFILES.in): Set LC_ALL=C.
3284 * Makefile.in: Regenerate.
3285 * po/POTFILES.in: Regenerate.
3286
7c07ecec
ILT		 32872008-07-29 Ian Lance Taylor <iant@google.com>
3288
3289 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3290 symbols before other symbols.
3291 * testsuite/script_test_2.cc (test_addr): Declare.
3292 (test_addr_alias): Declare.
3293 (main): Check that test_addr and test_addr_alias have the right
cd536b21 3294 values.
7c07ecec
ILT		 3295 * testsuite/script_test_2.t: Define test_addr_alias and
3296 test_addr.
3297
5778530e
ILT		 32982008-07-24 Ian Lance Taylor <iant@google.com>
3299
2a00e4fb
ILT		 3300 PR 5990
3301 * descriptors.cc: New file.
3302 * descriptors.h: New file.
3303 * gold-threads.h (class Hold_optional_lock): New class.
3304 * fileread.cc: Include "descriptors.h".
3305 (File_read::~File_read): Release descriptor rather than closing
3306 it.
3307 (File_read::open) [file]: Call open_descriptor rather than open.
3308 Set is_descriptor_opened_.
3309 (File_read::open) [memory]: Assert that descriptor is not open.
3310 (File_read::reopen_descriptor): New function.
3311 (File_read::release): Release descriptor.
3312 (File_read::do_read): Make non-const. Reopen descriptor.
3313 (File_read::read): Make non-const.
3314 (File_read::make_view): Reopen descriptor.
3315 (File_read::do_readv): Likewise.
3316 * fileread.h (class File_read): Add is_descriptor_opened_ field.
3317 Update declarations.
3318 * layout.cc: Include "descriptors.h".
3319 (Layout::create_build_id): Use open_descriptor rather than open.
3320 * output.cc: Include "descriptors.h".
3321 (Output_file::open): Use open_descriptor rather than open.
3322 * archive.cc (Archive::const_iterator): Change Archive to be
3323 non-const.
3324 (Archive::begin, Archive::end): Make non-const.
3325 (Archive::count_members): Likewise.
3326 * archive.h (class Archive): Update declarations.
3327 * object.h (Object::read): Make non-const.
3328 * Makefile.am (CCFILES): Add descriptors.cc.
3329 (HFILES): Add descriptors.h.
3330 * Makefile.in: Rebuild.
3331
801647d1
ILT		 3332 PR 6716
3333 * gold.h: Always include <clocale>. Add Solaris workarounds
3334 following code in binutils/sysdep.h.
3335
5edd166e
ILT		 3336 PR 6048
3337 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3338 this->eh_frame_hdr_ is NULL before using it.
3339
c89ad728
ILT		 3340 * dynobj.cc (Versions::Versions): Update comment.
3341
aa86f06b
ILT		 3342 * dynobj.cc (Versions::Versions): If there is an soname, use it as
3343 the base version name.
3344
5778530e
ILT		 3345 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3346 array size plus one.
3347 (Stringpool_template::set_string_offsets): Subtract one from key
3348 before using it as an array index.
3349 (Stringpool_template::get_offset_with_length): Likewise.
3350 (Stringpool_template::write_to_buffer): Likewise.
3351 * stringpool.h (Stringpool_template::get_offset_from_key):
3352 Likewise.
3353
057ead22
ILT		 33542008-07-23 Ian Lance Taylor <iant@google.com>
3355
7f649c59
ILT		 3356 PR 6658
3357 * object.h (Merged_symbol_value::value): Do our best to handle a
3358 negative addend.
3359
057ead22
ILT		 3360 PR 6647
3361 * script.cc (Version_script_info::get_versions): Don't add empty
3362 version tag to return value.
3363 (Version_script_info::get_symbol_version_helper): Change return
3364 type to bool. Add pversion parameter. Change all callers.
3365 (script_register_vers_node): Don't require a non-NULL tag.
3366 * script.h (class Version_script_info): Update declarations.
3367 (Version_script_info::get_symbol_version): Change return type to
3368 bool. Add version parameter. Change all callers.
3369 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3370 handling. Handle an empty version from a version script.
3371 (Symbol_table::define_special_symbol): Likewise.
3372 * testsuite/ver_test_10.script: New file.
3373 * testsuite/ver_test_10.sh: New file.
3374 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3375 (check_DATA): Add ver_test_10.syms.
3376 (ver_test_10.syms, ver_test_10.so): New target.
3377 * testsuite/Makefile.in: Rebuild.
3378
58e54ac2
CD		 33792008-07-23 Simon Baldwin <simonb@google.com>
3380
3381 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3382 to zero for undefined symbols from dynamic libraries.
3383
95d14cd3
ILT		 33842008-07-23 Ian Lance Taylor <iant@google.com>
3385
3386 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3387 Change all callers.
3388 * symtab.h (class Symbol_table): Update declaration.
3389 * testsuite/ver_test_9.cc: New file.
3390 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3391 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3392 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3393 (ver_test_9.so, ver_test_9.o): New targets.
3394 * testsuite/Makefile.in: Rebuild.
3395
92de84a6
ILT		 33962008-07-22 Ian Lance Taylor <iant@google.com>
3397
34810851
ILT		 3398 * options.h (class General_options): Define --check-sections.
3399 * layout.cc (Layout::set_segment_offsets): Handle
3400 --check-sections.
3401
af6156ef
ILT		 3402 * options.h (class General_options): Define -n/--nmagic and
3403 -N/--omagic.
3404 * options.cc (General_options::finalize): For -n/--nmagic or
3405 -N/--omagic, set -static.
3406 * layout.cc (Layout::attach_allocated_section_to_segment): If
3407 -N/--omagic, don't put read-only and read-write sections in
3408 different segments.
3409 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3410 finding a read-only segment.
3411 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3412 don't set the minimum segment alignment to the common page size,
3413 and don't set the file offset to the address modulo the page size.
3414 * script-sections.cc (Script_sections::create_segments): If
3415 -n/--omagic, don't put read-only and read-write sections in
3416 different segments.
3417
92de84a6
ILT		 3418 * cref.cc: New file.
3419 * cref.h: New file.
3420 * options.h (class General_options): Add --print-symbol-counts.
3421 * main.cc (main): Issue defined symbol report if requested.
3422 * archive.cc (Archive::interpret_header): Make into a const member
3423 function.
3424 (Archive::add_symbols): Call Input_objects::archive_start and
3425 archive_stop.
3426 (Archive::const_iterator): Define new class.
3427 (Archive::begin, Archive::end): New functions.
3428 (Archive::include_all_members): Rewrite to use iterator.
3429 (Archive::count_members): New function.
3430 * archive.h (class Archive): Update declarations.
3431 (Archive::filename): New function.
3432 * object.cc: Include "cref.h".
3433 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3434 (Sized_relobj::do_get_global_symbol_counts): New function.
3435 (Input_objects::add_object): Add object to cross-referencer.
3436 (Input_objects::archive_start): New function.
3437 (Input_objects::archive_stop): New function.
3438 (Input_objects::print_symbol_counts): New function.
3439 * object.h: Declare Cref and Archive.
3440 (Object::get_global_symbol_counts): New function.
3441 (Object::do_get_global_symbol_counts): New pure virtual function.
3442 (class Sized_relobj): Add defined_count_ field. Update
3443 declarations.
3444 (class Input_objects): Add cref_ field. Update constructor.
3445 Update declarations.
3446 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3447 defined_count_.
3448 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3449 symbol counts.
3450 (Sized_dynobj::do_get_global_symbol_counts): New function.
3451 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3452 defined_count_. Update declarations. Define Symbols typedef.
3453 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3454 parameter. Change all callers.
3455 (Symbol_table::add_from_dynobj): Add sympointers and defined
3456 parameters. Change all callers.
3457 * symtab.h (class Symbol_table): Update declarations.
3458 * Makefile.am (CCFILES): Add cref.cc.
3459 (HFILES): Add cref.h.
3460 * Makefile.in: Rebuild.
3461
3f7c5e1d
CD		 34622008-07-22 Simon Baldwin <simonb@google.com>
3463
3464 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3465 to zero when writing undefined symbols.
3466
e0b64032
ILT		 34672008-07-22 Ian Lance Taylor <iant@google.com>
3468
3469 * output.cc (Output_section::add_input_section): Don't try to
3470 merge empty merge sections.
3471
096b02cf
CS		 34722008-07-21 Craig Silverstein <csilvers@google.com>
3473
3474 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3475 Include symbol version in error message.
cd536b21 3476
1d1f116d
CD		 34772008-07-20 Chris Demetriou <cgd@google.com>
3478
cd536b21 3479 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 3480 (RANDOM_SEED_CFLAGS): New substituted variable.
3481 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3482 * configure: Rebuild.
3483 * Makefile.in: Likewise.
3484 * testsuite/Makefile.in: Likewise.
3485
a18f591e
ILT		 34862008-07-18 Ian Lance Taylor <iant@google.com>
3487
3488 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3489 where we see NAME/NULL and NAME/VERSION as separate symbols.
3490 * testsuite/ver_test_main.cc (main): Call t4.
3491 (t4, t4_2a): Define.
3492 * testsuite/ver_test_2.cc (t4_2): Define.
3493 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3494 * testsuite/ver_test_4.cc (t4_2a): Define.
3495 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3496 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3497
c6e3f6ed
ILT		 34982008-07-17 Ian Lance Taylor <iant@google.com>
3499
3500 * dynobj.cc (Versions::add_def): If we give an error about a
3501 missing version, go ahead and create the version anyhow.
3502
ef9beddf
ILT		 35032008-07-10 Ian Lance Taylor <iant@google.com>
3504
3505 Handle output sections with more than 0x7fffffff bytes.
3506 * object.h (class Relobj): Change map_to_output_ to
3507 output_sections_, and just keep a section pointer. Change all
3508 uses. Move comdat group support to Sized_relobj.
3509 (Relobj::is_section_specially_mapped): Remove.
3510 (Relobj::output_section): Remove poff parameter. Change all
3511 callers.
3512 (Relobj::output_section_offset): New function.
3513 (Relobj::set_section_offset): Rewrite.
3514 (Relobj::map_to_output): Remove.
3515 (Relobj::output_sections): New function.
3516 (Relobj::do_output_section_offset): New pure virtual function.
3517 (Relobj::do_set_section_offset): Likewise.
3518 (class Sized_relobj): Add section_offsets_ field. Add comdat
3519 group support from Relobj. Update declarations.
3520 (Sized_relobj::get_output_section_offset): New function.
3521 (Sized_relobj::do_output_section_offset): New function.
3522 (Sized_relobj::do_set_section_offset): New function.
3523 * object.cc (Relobj::output_section_address): Remove.
3524 (Sized_relobj::Sized_relobj): Initialize new fields.
3525 (Sized_relobj::include_section_group): Cast find_kept_object to
3526 Sized_relobj.
3527 (Sized_relobj::include_linkonce_section): Likewise.
3528 (Sized_relobj::do_layout): Use separate arrays for output section
3529 and output offset.
3530 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3531 output_sections.
3532 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3533 output_sections and section_offsets.
3534 (Sized_relobj::write_local_symbols): Likewise.
3535 (map_to_kept_section): Compute output address directly.
3536 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3537 output_sections and section_offsets.
3538 (Sized_relobj::write_sections): Likewise.
3539 (Sized_relobj::relocate_sections): Likewise.
3540 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3541 * output.h (class Output_reloc): Update declarations. Change
3542 u2_.relobj to Sized_relobj*.
3543 (class Output_data_reloc): Change add functions to use
3544 Sized_relobj*.
3545 * output.cc (Output_reloc::Output_reloc): Change relobj to
3546 Sized_relobj*.
3547 (Output_reloc::local_section_offset): Change return type to
3548 Elf_Addr. Use get_output_section_offset.
3549 (Output_reloc::get_address): Likewise.
3550 (Output_section::is_input_address_mapped): Don't call
3551 is_section_specially_mapped.
3552 (Output_section::output_offset): Likewise.
3553 (Output_section::output_address): Likewise.
3554 (Output_section::starting_output_address): Likewise.
3555 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3556 parameter to Sized_relobj*.
3557 (Copy_relocs::need_copy_reloc): Likewise.
3558 (Copy_relocs::save): Likewise.
3559 * copy-relocs.h (class Copy_relocs): Update declarations.
3560 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3561 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3562 * target-reloc.h (relocate_for_relocatable): Change
3563 offset_in_output_section type to Elf_Addr. Change code that uses
3564 it as well.
3565 * layout.cc (Layout::layout): Always set *off.
3566 * mapfile.cc (Mapfile::print_input_section): Use
3567 output_section_offset.
3568 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3569 Sized_relobj*.
3570 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3571 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3572 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3573
5cb66f97
ILT		 35742008-07-03 Ian Lance Taylor <iant@google.com>
3575
3576 * layout.cc (Layout::include_section): Do not discard unrecognized
3577 SHT_STRTAB sections.
3578
afe47622
CS		 35792008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3580
3581 * script.cc (Lex::can_continue_name): Make '?' allowable in
3582 version-script names.
3583 * testsuite/version_script.map: Change glob pattern to use '?'
3584
5adf9721
ILT		 35852008-06-30 Manish Singh <yosh@gimp.org>
3586
3587 PR 6585
3588 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3589 Correct typo.
3590
e6fde208
ILT		 35912008-06-30 Ian Lance Taylor <iant@google.com>
3592
3593 PR 6660
3594 PR 6682
3595 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3596 versions]: Don't try to read the value in the contents, since we
3597 don't use it. Use the template endianness when writing.
3598
3f2e6a2d
CC		 35992008-06-25 Cary Coutant <ccoutant@google.com>
3600
3601 * fileread.cc (File_read::make_view): Assert on zero-length view.
3602 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3603 symbol table when there are no symbols to read.
3604
c43d3a48
CS		 36052008-06-23 Craig Silverstein <csilvers@google.com>
3606
3607 * version.cc (version_string): Bump to 1.7
3608
5f494ea0
CS		 36092008-06-18 Craig Silverstein <csilvers@google.com>
3610
3611 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3612 constant 0xFFFF to type Valtype.
3613 (Powerpc_relocate_functions::rel16_ha): Likewise.
3614
c42e122e
ILT		 36152008-06-17 Ian Lance Taylor <iant@google.com>
3616
f34787f8
ILT		 3617 * output.h (Output_section::Input_section): Initialize p2align_ to
3618 zero for Output_section_data constructors.
3619 (Output_section::Input_section::addralign): If not an input
3620 section, return the alignment of the Output_section_data.
3621 * testsuite/copy_test.cc: New file.
3622 * testsuite/copy_test_1.cc: New file.
3623 * testsuite/copy_test_2.cc: New file.
3624 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3625 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3626 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3627 (copy_test_1_pic.o, copy_test_1.so): New targets.
3628 (copy_test_2_pic.o, copy_test_2.so): New targets.
3629 * testsuite/Makefile.in: Rebuild.
3630
c42e122e
ILT		 3631 * script-sections.cc (Script_sections::place_orphan): Initialize
3632 local variable exact.
3633
ce3ac18a
DE		 36342008-06-13 David Edelsohn <edelsohn@gnu.org>
3635
3636 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3637
42cacb20
DE		 36382008-06-12 David Edelsohn <edelsohn@gnu.org>
3639 David S. Miller <davem@davemloft.net>
3640
3641 * powerpc.cc: New file.
3642 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3643 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3644 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3645 * Makefile.in: Rebuild.
3646
7b308235
ILT		 36472008-06-09 Ian Lance Taylor <iant@google.com>
3648
3649 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3650 <exception>.
3651 (throwing, orig_terminate): New static variables.
3652 (terminate_handler): New static function.
3653 (t2): Set terminate handler.
3654
f0b886e3
ILT		 36552008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3656
3657 PR 6584
cd536b21 3658 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 3659 alignment.
3660
3e90f135
CC		 36612008-05-30 Cary Coutant <ccoutant@google.com>
3662
3663 * archive.cc (Archive::include_all_members) Correct to step
3664 over symbol table and extended name table in thin archives.
3665
e09ad04a
ILT		 36662008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3667
3668 PR 6407
3669 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3670 calculation.
3671
62b01cb5
ILT		 36722008-05-28 Caleb Howe <cshowe@google.com>
3673
3674 * reduced_debug_output.cc: New file.
3675 * reduced_debug_output.h: New file.
92de84a6 3676 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 3677 * options.cc (General_options::finalize): Add strip_debug_non_line
3678 to the strip heirarchy.
3679 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3680 fields.
3681 * layout.cc: Include "reduced_debug_output.h".
3682 (Layout::Layout): Initialize new fields.
3683 (line_only_debug_sections): New static array.
3684 (is_lines_only_debug_sections): New static inline function.
3685 (Layout::include_section): Handle --strip-debug-non-line.
3686 (Layout::make_output_section): If --strip-debug-non-line, build
3687 new output sections for .debug_abbrev and .debug_info.
3688 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3689 gold. Warn about possible overflow.
3690 (read_signed_LEB_128): Likewise.
3691 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3692 (read_signed_LEB_128): Declare.
3693 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3694 (HFILES): Add reduced_debug_output.h.
3695 * Makefile.in: Rebuild.
3696
7d9e3d98
ILT		 36972008-05-21 Ian Lance Taylor <iant@google.com>
3698
3699 * mapfile.cc: New file.
3700 * mapfile.h: New file.
3701 * options.h (class General_options): Add -M/--print-map and -Map.
3702 * options.cc (General_options::finalize): Make -M equivalent to
3703 -Map -.
3704 * main.cc: Include <cstdio> and "mapfile.h".
3705 (main): Open mapfile if requested.
3706 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3707 constructor. Change caller.
3708 (queue_initial_tasks): Add mapfile parameter. Change caller.
3709 (queue_middle_tasks): Likewise.
3710 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3711 declarations.
3712 * archive.cc: Include "mapfile.h".
3713 (Archive::add_symbols): Add mapfile parameter. Change all
3714 callers. Pass mapfile, symbol, and reason to include_member.
3715 (Archive::include_all_members): Add mapfile parameter. Change all
3716 callers.
3717 (Archive::include_member): Add mapfile, sym, and why parameters.
3718 Change all callers. Report inclusion to map file.
3719 * archive.h: Include "fileread.h".
3720 (class Archive): Update declarations.
3721 (Archive::file): New const method.
3722 (class Add_archive_symbols): Add mapfile_ field. Update
3723 constructor. Change all callers.
3724 * readsyms.h (class Read_symbols): Likewise.
3725 (class Finish_group): Likewise.
3726 (class Read_script): Likewise.
3727 * common.cc: Include "mapfile.h".
3728 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3729 all callers.
3730 (Symbol_table::do_allocate_commons): Likewise.
3731 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3732 symbol allocation to mapfile.
3733 * common.h (class Allocate_commons_task): Add mapfile_ field.
3734 Update constructor. Change all callers.
3735 * symtab.h (class Symbol_table): Update declarations.
3736 * layout.cc: Include "mapfile.h".
3737 (Layout_task_runner::run): Print information to mapfile.
3738 (Layout::create_gold_note): Change Output_data_fixed_space to
3739 Output_data_zero_fill.
3740 (Layout::create_build_id): Likewise.
3741 (Layout::print_to_mapfile): New function.
3742 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3743 constructor. Change caller.
3744 (class Layout): Declare print_to_mapfile.
3745 * output.cc (Output_section::Input_section::print_to_mapfile): New
3746 function.
3747 (Output_section::add_input_section): If producing a map, always
3748 add to input_sections_ list.
3749 (Output_section::do_print_to_mapfile): New function.
3750 (Output_segment::print_sections_to_mapfile): New function.
3751 (Output_segment::print_section_list_to_mapfile): New function.
3752 * output.h: Include "mapfile.h".
3753 (Output_data::print_to_mapfile): New function.
3754 (Output_data::do_print_to_mapfile): New virtual function.
3755 (Output_segment_headers::do_print_to_mapfile): New function.
3756 (Output_file_header::do_print_to_mapfile): New function.
3757 (Output_data_const::do_print_to_mapfile): New function.
3758 (class Output_data_const_buffer): Add map_name_ field. Update
3759 constructor. Change all callers. Add do_print_to_mapfile
3760 function.
3761 (class Output_data_fixed_space): Likewise.
3762 (class Output_data_space): Likewise.
3763 (class Output_data_zero_fill): New class.
3764 (Output_data_strtab::do_print_to_mapfile): New function.
3765 (Output_data_reloc_base::do_print_to_mapfile): New function.
3766 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3767 (Output_data_group::do_print_to_mapfile): New function.
3768 (Output_data_got::do_print_to_mapfile): New function.
3769 (Output_data_dynamic::do_print_to_mapfile): New function.
3770 (Output_symtab_xindex::do_print_to_mapfile): New function.
3771 (class Output_section): Declare do_print_to_mapflie. Declare
3772 print_to_mapfile in Input_section.
3773 (class Output_segment): Declare new functions.
3774 * object.h (Sized_relobj::symbol_count): New function.
3775 * script-sections.cc
3776 (Output_section_element_dot_assignment::set_section_addresses):
3777 Change Output_data_fixed_space to Output_data_zero_fill.
3778 (Output_data_expression::do_print_to_mapfile): New function.
3779 * script.cc (read_input_script): Add mapfile parameter. Change
3780 all callers.
3781 * script.h (read_input_script): Update declaration.
3782 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3783 (Eh_frame::do_print_to_mapfile): New function.
3784 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3785 (Output_merge_string::do_print_to_mapfile): New function.
3786 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3787 function.
3788 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3789 function.
3790 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3791 function.
3792 * Makefile.am (CCFILES): Add mapfile.cc.
3793 (HFILES): Add mapfile.h.
3794 * Makefile.in: Rebuild.
3795
9f1d377b
ILT		 37962008-05-19 Ian Lance Taylor <iant@google.com>
3797
3798 * options.h (class General_options): Add -z relro.
3799 * layout.cc (Layout::Layout): Initialize relro_segment_.
3800 (Layout::add_output_section_data): Return the output section.
3801 (Layout::make_output_section): Rcognize relro sections and mark
3802 them appropriately.
3803 (Layout::attach_allocated_section_to_segment): Put relro sections
3804 in a PT_GNU_RELRO segment.
3805 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3806 section as relro.
3807 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3808 PT_TLS segments.
3809 (Layout::linkonce_mapping): Map d.rel.ro.local to
3810 .data.rel.ro.local.
3811 (Layout::output_section_name): Us .data.rel.ro.local for any
3812 section which begins with that.
3813 * layout.h (class Layout): Update add_output_section_data
3814 declaration. Add relro_segment_ field.
3815 * output.cc (Output_section::Output_section): Initialize is_relro_
3816 and is_relro_local_ fields.
3817 (Output_segment::add_output_section): Group relro sections.
3818 (Output_segment::is_first_section_relro): New function.
3819 (Output_segment::maximum_alignment): If there is a relro section,
3820 align the segment to the common page size.
3821 (Output_segment::set_section_addresses): Track whether we are
3822 looking at relro sections. If the last section is a relro
3823 section, align to the common page size.
3824 (Output_segment::set_section_list_addresses): Add in_relro
3825 parameter. Change all callers. Align to the page size when
3826 moving from relro to non-relro section.
3827 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3828 segment.
3829 * output.h (class Output_section): Add is_relro_ and
3830 is_relro_local_ fields.
3831 (Output_section::is_relro): New function.
3832 (Output_section::set_is_relro): New function.
3833 (Output_section::is_relro_local): New function.
3834 (Output_section::set_is_relro_local): New function.
3835 (class Output_segment): Update declarations.
3836 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3837 * sparc.cc (Target_sparc::got_section): Likewise.
3838 * x86_64.cc (Target_x86_64::got_section): Likewise.
3839 * testsuite/relro_test_main.cc: New file.
3840 * testsuite/relro_test.cc: New file.
3841 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3842 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3843 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3844 (relro_test.so, relro_test_pic.o): New targets.
3845 * testsuite/Makefile.in: Rebuild.
3846
a984ee1d
ILT		 38472008-05-16 Ian Lance Taylor <iant@google.com>
3848
01676dcd
ILT		 3849 * output.cc (Output_segment::add_output_section): Remove front
3850 parameter.
3851 * output.h (class Output_segment): Remove
3852 add_initial_output_section and overloaded add_output_section.
3853 Update declaration of remaining add_output_section.
3854 * layout.cc (Layout::create_interp): Call add_output_section
3855 rather than add_initial_output_section.
3856 (Layout::finish_dynamic_section): Likewise.
3857
497897f9
ILT		 3858 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3859 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3860 know the dynamic type.
3861 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3862 field. Initialize it in constructor.
3863 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3864 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3865 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3866 reloc.
3867
a984ee1d
ILT		 3868 * output.cc (Output_reloc::get_address): Change return type to
3869 Elf_Addr.
3870 * output.h (class Output_reloc): Update get_address declaration.
3871 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3872 for section addresses.
3873
55ba0940
ILT		 38742008-05-09 Ian Lance Taylor <iant@google.com>
3875
3876 PR 6493
3877 * gold.cc (gold_nomem): Use return value of write.
3878
75517b77
ILT		 38792008-05-08 Ian Lance Taylor <iant@google.com>
3880
3881 * symtab.c (Symbol::init_base_output_data): Add version
3882 parameter. Change all callers.
3883 (Symbol::init_base_output_segment): Likewise.
3884 (Symbol::init_base_constant): Likewise.
3885 (Symbol::init_base_undefined): Likewise.
3886 (Sized_symbol::init_output_data): Likewise.
3887 (Sized_symbol::init_output_segment): Likewise.
3888 (Sized_symbol::init_constant): Likewise.
3889 (Sized_symbol::init_undefined): Likewise.
3890 (Symbol_table::do_define_in_output_data): If the new symbol has a
3891 version, mark it as the default.
3892 (Symbol_table::do_define_in_output_segment): Likewise.
3893 (Symbol_table::do_define_as_constant): Likewise.
3894 * symtab.h (class Symbol): Update declarations.
3895 (class Sized_symbol): Likewise.
3896 * resolve.cc (Symbol::override_version): New function.
c42e122e 3897 (Symbol::override_base): Call override_version.
75517b77
ILT		 3898 (Symbol::override_base_with_special): Likewise.
3899 * testsuite/ver_script_8.script: New file.
3900 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3901 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3902 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3903 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3904
f1f70eae
ILT		 39052008-05-06 Ian Lance Taylor <iant@google.com>
3906
f3e9c5c5
ILT		 3907 PR 6049
3908 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3909 functions.
3910 (class General_options): Remove existing --undefined, and add
3911 --no-undefined instead. Add new --undefined as synonym for -u.
3912 * archive.cc (Archive::add_symbols): Check whether symbol was
3913 named with -u.
3914 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3915 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3916 all uses. Add IS_UNDEFINED. Update declarations to split
3917 different versions of init_base. Declare init_base_undefined.
3918 (Symbol::is_defined): Handle IS_UNDEFINED.
3919 (Symbol::is_undefined): Likewise.
3920 (Symbol::is_weak_undefined): Call is_undefined.
3921 (Symbol::is_absolute): Handle IS_CONSTANT.
3922 (class Sized_symbol): Update declarations to split different
3923 versions of init. Declare init_undefined.
3924 (class Symbol_table): Declare new functions.
3925 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3926 Change all callers.
3927 (Symbol::init_base_output_data): Likewise.
3928 (Symbol::init_base_output_segment): Likewise.
3929 (Symbol::init_base_constant): Likewise.
3930 (Symbol::init_base_undefined): New function.
3931 (Sized_symbol::init_object): Rename from init. Change all
3932 callers.
3933 (Sized_symbol::init_output_data): Likewise.
3934 (Sized_symbol::init_output_segment): Likewise.
3935 (Sized_symbol::init_constant): Likewise.
3936 (Sized_symbol::init_undefined): New function.
3937 (Symbol_table::add_undefined_symbols_from_command_line): New
3938 function.
3939 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3940 function.
3941 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3942 (Symbol::output_section): Likewise.
3943 (Symbol::set_output_section): Likewise.
3944 (Symbol_table::sized_finalize_symbol): Likewise.
3945 (Symbol_table::sized_write_globals): Likewise.
3946 * resolve.cc (Symbol_table::should_override): Likewise.
3947 (Symbol::override_base_with_special): Likewise.
3948
8bdcdf2c
ILT		 3949 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3950 symbol, change it to have default visibility.
3951 * testsuite/protected_1.cc: New file.
3952 * testsuite/protected_2.cc: New file.
3953 * testsuite/protected_3.cc: New file.
3954 * testsuite/protected_main_1.cc: New file.
3955 * testsuite/protected_main_2.cc: New file.
3956 * testsuite/protected_main_3.cc: New file.
3957 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3958 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3959 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3960 (protected_1.so): New target.
3961 (protected_1_pic.o, protected_2_pic.o): New targets.
3962 (protected_3_pic.o): New target.
3963 (check_PROGRAMS): Add protected_2.
3964 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3965 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3966 * testsuite/Makefile.in: Rebuild.
3967
2b706932
ILT		 3968 * options.h (DEFINE_var): Add set_user_set_##varname__.
3969 (DEFINE_bool_alias): New macro.
3970 (class General_options): Define -Bstatic using DEFINE_bool_alias
3971 rather than DEFINE_special. Add --undefined as an alias for -z
3972 defs.
3973 * options.cc (General_options::parse_Bstatic): Remove.
3974
d82a5bcc
ILT		 3975 * options.h (class General_options): Add --fatal-warnings.
3976 * main.cc (main): Implement --fatal-warnings.
3977 * errors.h (Errors::warning_count): New function.
3978
f1f70eae
ILT		 3979 * options.h (class General_options): Add -Bsymbolic-functions.
3980 * symtab.h (Symbol::is_preemptible): Check for
3981 -Bsymbolic-functions.
3982
8825ac63
ILT		 39832008-05-05 Ian Lance Taylor <iant@google.com>
3984
d98bc257
ILT		 3985 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3986 as noVARNAME rather than no-VARNAME.
3987 (class General_options): Add option -z combreloc.
3988 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3989 get_address.
3990 (Output_reloc::sort_before) [SHT_REL]: New function.
3991 (Output_reloc::sort_before) [SHT_RELA]: New function.
3992 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3993 Sort_relocs_comparison.
3994 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3995 parameter. Change all callers.
3996 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3997 sort_relocs parameter. Change all callers.
3998 * output.cc (Output_reloc::get_address): New function, broken out
3999 of write_rel.
4000 (Output_reloc::write_rel): Call it.
4001 (Output_reloc::compare): New function.
4002 (Output_data_reloc_base::do_write): Optionally sort relocs.
4003
60b2b4e7
ILT		 4004 * configure.ac: If targ_extra_obj is set, link it in.
4005 * configure.tgt: Initialize all variables.
4006 (x86_64*): Set targ_extra_obj and targ_extra_size.
4007 * configure: Rebuild.
4008
8825ac63
ILT		 4009 * object.cc (Sized_relobj::include_section_group): Adjust section
4010 indexes read from group data. Build vector to pass to
4011 layout_group.
4012 * layout.cc (Layout::layout_group): Add flags and shndxes
4013 parameters. Remove contents parameter. Change caller. Update
4014 explicit instantiations.
4015 * layout.h (class Layout): Update layout_group declaration.
4016 * output.cc (Output_data_group::Output_data_group): Add flags and
4017 input_shndxes parameters. Remove contents parameter. Change
4018 caller.
4019 (Output_data_group::do_write): Change input_sections_ to
4020 input_shndxes_.
4021 * output.h (class Output_data_group): Update constructor
4022 declaration. Rename input_sections_ to input_shndxes_.
4023 * testsuite/many_sections_test.cc: Add template.
4024
e94cf127
CC		 40252008-04-30 Cary Coutant <ccoutant@google.com>
4026
4418b2d5
CC		 4027 * target-reloc.h (relocate_section): Fix dead-pointer bug.
4028
e94cf127
CC		 4029 * layout.cc (Layout::include_section): Refactored check for debug
4030 info section.
4031 (Layout::add_comdat): Add new parameters. Change type
4032 of signature parameter. Add object and shndx to signatures table.
4033 (Layout::find_kept_object): New function.
4034 * layout.h: Include <cstring>.
4035 (Layout::is_debug_info_section): New function.
4036 (Layout::add_comdat): Add new parameters.
4037 (Layout::find_kept_object): New function.
4038 (Layout::Kept_section): New struct.
4039 (Layout::Signatures): Change type of map range.
4040 * object.cc (Relobj::output_section_address): New function.
4041 (Sized_relobj::include_section_group): Add new parameters. Change
4042 calls to Layout::add_comdat. Change to build table of kept comdat
4043 groups and table mapping discarded sections to kept sections.
4044 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
4045 (Sized_relobj::do_layout): Change calls to include_section_group and
4046 include_linkonce_section.
4047 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4048 value to zero when section is discarded.
4049 (Sized_relobj::map_to_kept_section): New function.
4050 * object.h (Relobj::output_section_address): New function.
4051 (Relobj::Comdat_group): New type.
4052 (Relobj::find_comdat_group): New function.
4053 (Relobj::Comdat_group_table): New type.
4054 (Relobj::Kept_comdat_section): New type.
4055 (Relobj::Kept_comdat_section_table): New type.
4056 (Relobj::add_comdat_group): New function.
4057 (Relobj::set_kept_comdat_section): New function.
4058 (Relobj::get_kept_comdat_section): New function.
4059 (Relobj::comdat_groups_): New field.
4060 (Relobj::kept_comdat_sections_): New field.
4061 (Symbol_value::input_value): Update comment.
4062 (Sized_relobj::map_to_kept_section) New function.
4063 (Sized_relobj::include_linkonce_section): Add new parameter.
4064 * target-reloc.h (Comdat_behavior): New type.
4065 (get_comdat_behavior): New function.
4066 (relocate_section): Add code to map a discarded section to the
4067 corresponding kept section when applying a relocation.
4068
e4e5049b
CS		 40692008-04-30 Craig Silverstein <csilvers@google.com>
4070
4071 * dwarf_reader.cc (next_generation_count): New static var.
4072 (Addr2line_cache_entry): New struct.
4073 (addr2line_cache): New static var.
4074 (Dwarf_line_info::one_addr2line): Added caching.
4075 (Dwarf_line_info::clear_addr2line_cache): New function.
4076 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4077 cache-size parameter.
4078 (Dwarf_line_info::one_addr2line_cache): New function.
4079 * symtab.cc (Symbol_table::detect_odr_violations): Pass
4080 new cache-size argument to one_addr2line(), and clear cache.
4081
d09e9154
CC		 40822008-04-28 Cary Coutant <ccoutant@google.com>
4083
4084 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4085 R_386_PC8 relocations.
4086
7ef73768
ILT		 40872008-04-23 Ian Lance Taylor <iant@google.com>
4088
55438702
ILT		 4089 * object.cc (Sized_relobj::include_section_group): Check for
4090 invalid section group.
4091
c165fb93
ILT		 4092 * object.cc (make_elf_object): Correct test for 64-bit ELF file
4093 header size.
4094
7ef73768
ILT		 4095 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4096 than read for file header.
4097 * archive.cc (Archive::include_member): Likewise.
4098
6194aaab
L		 40992008-04-23 Paolo Bonzini <bonzini@gnu.org>
4100
4101 * aclocal.m4: Regenerate.
4102 * configure: Regenerate.
4103
d491d34e
ILT		 41042008-04-19 Ian Lance Taylor <iant@google.com>
4105
5ea2bac6
ILT		 4106 * version.cc (version_string): Bump to 1.6.
4107
7bc3e21a
ILT		 4108 * testsuite/Makefile.am (many_sections_r_test): New target.
4109 (many_sections_r_test_SOURCES): Remove.
4110 (many_sections_r_test_DEPENDENCIES): Remove.
4111 (many_sections_r_test_LDFLAGS): Remove.
4112 (many_sections_r_test_LDADD): Remove.
4113
7fcd3aa9
ILT		 4114 * object.cc (Sized_relobj::do_add_symbols): Always pass
4115 local_symbol_count_ to add_from_relobj.
4116
4c94d6ae
ILT		 4117 * testsuite/Makefile.am (many_sections_check.h): Only check one in
4118 every thousand variables.
4119 * testsuite/Makefile.in: Rebuild.
4120
d491d34e
ILT		 4121 * object.cc (Xindex::initialize_symtab_xindex): New function.
4122 (Xindex::read_symtab_xindex): New function.
4123 (Xindex::sym_xindex_to_shndx): New function.
4124 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4125 available.
4126 (Sized_relobj::do_initialize_xindex): New function.
4127 (Sized_relobj::do_read_symbols): Adjust section links.
4128 (Sized_relobj::symbol_section_and_value): Add is_ordinary
4129 parameter. Change all callers.
4130 (Sized_relobj::include_section_group): Adjust section links and
4131 symbol section indexes.
4132 (Sized_relobj::do_layout): Adjust section links.
4133 (Sized_relobj::do_count_local_symbols): Adjust section links and
4134 symbol section indexes.
4135 (Sized_relobj::do_finalize_local_symbols): Distinguish between
4136 ordinary and special symbols.
4137 (Sized_relobj::write_local_symbols): Add symtab_xindex and
4138 dynsym_xindex parameters. Change all callers. Adjust section
4139 links. Use SHN_XINDEX when needed.
4140 (Sized_relobj::get_symbol_location_info): Adjust section links.
4141 Don't get fooled by special symbols.
4142 * object.h (class Xindex): Define.
4143 (class Object): Add xindex_ parameter. Declare virtual functoin
4144 do_initialize_xindex.
4145 (Object::adjust_sym_shndx): New function.
4146 (Object::set_xindex): New protected function.
4147 (class Symbol_value): Add is_ordinary_shndx_ field.
4148 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4149 (Symbol_value::value): Assert ordinary section.
4150 (Symbol_value::initialize_input_to_output_map): Likewise.
4151 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4152 Change all callers.
4153 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
4154 all callers.
4155 (class Sized_relobj): Update declarations.
4156 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4157 parameter. Change all callers.
4158 (Sized_relobj::adjust_shndx): New function.
4159 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4160 field.
4161 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4162 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
4163 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
4164 (Sized_dynobj::read_dynsym_section): Adjust section links.
4165 (Sized_dynobj::read_dynamic): Likewise.
4166 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
4167 section links.
4168 (Sized_dynobj::do_initialize_xindex): New function.
4169 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
4170 do_initialize_xindex.
4171 (Sized_dynobj::adjust_shndx): New function.
4172 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4173 dynsym_xindex_ fields.
4174 (Layout::finalize): Add a call to set_section_indexes before
4175 creating the symtab sections.
4176 (Layout::set_section_indexes): Don't do anything if the section
4177 already has a section index.
4178 (Layout::create_symtab_sections): Add shnum parameter. Change
4179 caller. Create .symtab_shndx section if needed.
4180 (Layout::create_shdrs): Add shstrtab_section parameter. Change
4181 caller.
4182 (Layout::allocated_output_section_count): New function.
4183 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4184 needed.
4185 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4186 fields. Update declarations.
4187 (Layout::symtab_xindex): New function.
4188 (Layout::dynsym_xindex): New function.
4189 (class Write_symbols_task): Add layout_ field.
4190 (Write_symbols_task::Write_symbols_task): Add layout parameter.
4191 Change caller.
4192 * output.cc (Output_section_headers::Output_section_headers): Add
4193 shstrtab_section parameter. Change all callers.
4194 (Output_section_headers::do_sized_write): Store overflow values
4195 for section count and section string table section index in
4196 section header zero.
4197 (Output_file_header::do_sized_write): Check for overflow of
4198 section count and section string table section index.
4199 (Output_symtab_xindex::do_write): New function.
4200 (Output_symtab_xindex::endian_do_write): New function.
4201 * output.h (class Output_section_headers): Add shstrtab_section_.
4202 Update declarations.
4203 (class Output_symtab_xindex): Define.
4204 (Output_section::has_out_shndx): New function.
4205 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4206 field.
4207 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4208 Change all callers.
4209 (Sized_symbol::init): Likewise.
4210 (Symbol::output_section): Check for ordinary symbol.
4211 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
4212 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
4213 callers.
4214 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4215 Change all callers. Simplify handling of symbols from sections
4216 not included in the link.
4217 (Symbol_table::add_from_dynobj): Handle ordinary symbol
4218 distinction.
4219 (Weak_alias_sorter::operator()): Assert that symbols are
4220 ordinary.
4221 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4222 distinction.
4223 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4224 parameters. Change all callers.
4225 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
4226 symbol distinction. Use SHN_XINDEX when needed.
4227 (Symbol_table::write_section_symbol): Add symtab_xindex
4228 parameter. Change all callers.
4229 (Symbol_table::sized_write_section_symbol): Likewise. Use
4230 SHN_XINDEX when needed.
4231 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
4232 declarations.
4233 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
4234 (Symbol::is_defined): Check is_ordinary.
4235 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4236 (Symbol::is_absolute, Symbol::is_common): Likewise.
4237 (class Sized_symbol): Update declarations.
4238 (class Symbol_table): Update declarations.
4239 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4240 parameters. Change all callers.
4241 (Sized_symbol::override): Likewise.
4242 (Symbol_table::override): Likewise.
4243 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
4244 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
4245 is_ordinary, and orig_st_shndx parameters. Change all callers.
4246 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4247 to be in an ordinary section.
4248 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4249 object and is_ordinary parameters. Change all callers.
4250 (Sized_dwarf_line_info::read_relocs): Add object parameter.
4251 Change all callers. Don't add undefined or non-ordinary symbols
4252 to reloc_map_.
4253 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4254 Change all callers.
4255 * dwarf_reader.h (class Sized_dwarf_line_info): Update
4256 declarations.
4257 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4258 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4259 (Sized_relobj::relocate_sections): Likewise.
4260 * target-reloc.h (scan_relocs): Adjust section symbol index.
4261 (scan_relocatable_relocs): Likewise.
4262 * i386.cc (Scan::local): Check for ordinary symbols.
4263 * sparc.cc (Scan::local): Likewise.
4264 * x86_64.cc (Scan::local): Likewise.
4265 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4266 to symbol_section_and_value.
4267 * testsuite/many_sections_test.cc: New file.
4268 * testsuite/Makefile.am (BUILT_SOURCES): Define.
4269 (check_PROGRAMS): Add many_sections_test.
4270 (many_sections_test_SOURCES): Define.
4271 (many_sections_test_DEPENDENCIES): Define.
4272 (many_sections_test_LDFLAGS): Define.
4273 (BUILT_SOURCES): Add many_sections_define.h.
4274 (many_sections_define.h): New target.
4275 (BUILT_SOURCES): Add many_sections_check.h.
4276 (many_sections_check.h): New target.
4277 (check_PROGRAMS): Add many_sections_r_test.
4278 (many_sections_r_test_SOURCES): Define.
4279 (many_sections_r_test_DEPENDENCIES): Define.
4280 (many_sections_r_test_LDFLAGS): Define.
4281 (many_sections_r_test_LDADD): Define.
4282 (many_sections_r_test.o): New target.
4283 * testsuite/Makefile.in: Rebuild.
4284
c5818ff1
CC		 42852008-04-17 Cary Coutant <ccoutant@google.com>
4286
4287 * errors.cc (Errors::info): New function.
4288 (gold_info): New function.
4289 * errors.h (Errors::info): New function.
4290 * gold.h (gold_info): New function.
4291 * object.cc (Input_objects::add_object): Print trace output.
4292 * options.cc (options::parse_set): New function.
4293 (General_options::parse_wrap): Deleted.
4294 (General_options::General_options): Deleted initializer.
4295 * options.h (options::String_set): New typedef.
4296 (options::parse_set): New function.
4297 (DEFINE_set): New macro.
4298 (General_options::wrap): Changed to use DEFINE_set. Changed
4299 callers of any_wrap_symbols and is_wrap_symbol.
4300 (General_options::trace, General_options::trace_symbol):
4301 New options.
4302 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4303 (General_options::wrap_symbols_): Deleted.
4304 * symtab.cc (Symbol_table::add_from_object): Print trace output.
4305
b5be4a7c
DM		 43062008-04-17 David S. Miller <davem@davemloft.net>
4307
4308 * options.cc (General_options::parse_V): New function.
4309 * options.h: Add entries for -V and -Qy.
4310
155a0dd7
ILT		 43112008-04-17 Ian Lance Taylor <iant@google.com>
4312
4313 * common.cc (Symbol_table::allocate_commons): Remove options
4314 parameter. Change caller.
4315 (Symbol_table::do_allocate_commons): Remove options parameter.
4316 Change caller. Just call do_allocate_commons_list twice.
4317 (Symbol_table::do_allocate_commons_list): New function, broken out
4318 of do_allocate_commons.
4319 * common.h (class Allocate_commons_task): Remove options_ field.
4320 Update constructor.
4321 * symtab.cc (Symbol_table::Symbol_table): Initialize
4322 tls_commons_.
4323 (Symbol_table::add_from_object): Put TLS common symbols on
4324 tls_commons_ list.
4325 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4326 which are IN_OUTPUT_DATA.
4327 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
4328 allocate_commons and do_allocate_commons declarations. Declare
4329 do_allocate_commons_list.
4330 * gold.cc (queue_middle_tasks): Update creation of
4331 Allocate_commons_task to not pass options.
4332 * testsuite/Makefile.am (INCLUDES): Add -I.. .
4333 (TLS_TEST_C_FLAGS): New variable.
4334 (tls_test_c_pic.o): New target.
4335 (tls_test_shared.so): Link in tls_test_c_pic.o.
4336 (tls_test_c_pic_ie.o): New target.
4337 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4338 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4339 (tls_test_c.o): New target.
4340 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4341 (tls_pic_test_LDADD): Likewise.
4342 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4343 (tls_shared_gd_to_ie_test_LDADD): Likewise.
4344 (tls_test_c_gnu2.o): New target.
4345 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4346 tls_test_c_gnu2.o.
4347 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4348 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4349 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4350 * testsuite/tls_test.cc: Include "config.h".
4351 (t_last): Call t11_last.
4352 * testsuite/tls_test.h (t11, t11_last): Declare.
4353 * testsuite/tls_test_c.c: New file.
4354 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4355 * configure.ac: Check for OpenMP support.
4356 * configure, config.in, Makefile.in: Rebuild.
4357 * testsuite/Makefile.in: Rebuild.
4358
edfbb029
CC		 43592008-04-16 Cary Coutant <ccoutant@google.com>
4360
4361 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4362 (Target_i386::tls_base_symbol_defined_): New field.
4363 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4364 (Target_i386::Scan::global): Likewise.
4365 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4366 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4367 (Target_x86_64::tls_base_symbol_defined_): New field.
4368 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4369 (Target_x86_64::Scan::global): Likewise.
4370
f3c69fca
CC		 43712008-04-16 Cary Coutant <ccoutant@google.com>
4372
4373 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4374 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4375 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4376 building shared libraries.
4377 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4378 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4379 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4380 * testsuite/Makefile.in: Rebuild.
4381 * testsuite/weak_undef.h: New file.
4382 * testsuite/weak_undef_file1.cc: Add extra test cases.
4383 * testsuite/weak_undef_file2.cc: Likewise.
4384 * testsuite/weak_undef_test.cc: Likewise.
4385
7c414435
DM		 43862008-04-16 David S. Miller <davem@davemloft.net>
4387
32b769e1
DM		 4388 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4389 Add issued_non_pic_error_ field. Declare check_non_pic.
4390 (Target_sparc::Scan::check_non_pic): New function.
4391 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4392 (Target_sparc::Scan::global): Likewise.
4393
11936fb1
DM		 4394 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4395 * configure: Rebuild.
4396
7c414435
DM		 4397 * options.h (DEFINE_enable): New macro.
4398 (new_dtags): New enable option.
4399 (initfirst, interpose, loadfltr, nodefaultlib,
4400 nodelete, nodlopen, nodump): New -z options.
4401 * layout.cc (Layout:finish_dynamic_section): If new
4402 dtags enabled, emit DT_RUNPATH. Also, emit a
4403 DT_FLAGS_1 containing any specified -z flags.
4404
85c7bf8b
ILT		 44052008-04-16 Ian Lance Taylor <iant@google.com>
4406
12c0daef
ILT		 4407 * copy-relocs.cc: New file.
4408 * copy-relocs.h: New file.
4409 * reloc.cc: Remove Copy_relocs code.
4410 * reloc.h: Likewise.
4411 * reloc-types.h (struct Reloc_types) [both versions]: Add
4412 get_reloc_addend_noerror.
4413 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4414 variants of add_global which take an addend which must be zero.
4415 * i386.cc: Include "copy-relocs.h".
4416 (class Target_i386): Change type of copy_relocs_ to variable,
4417 update initializer.
4418 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4419 Change all callers.
4420 (Target_i386::do_finalize_sections): Change handling of
4421 copy_relocs_.
4422 * sparc.cc: Include "copy-relocs.h".
4423 (class Target_sparc): Change type of copy_relocs_ to variable,
4424 update initializer.
4425 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4426 Change all callers.
4427 (Target_sparc::do_finalize_sections): Change handling of
4428 copy_relocs_.
4429 * x86_64.cc: Include "copy-relocs.h".
4430 (class Target_x86_64): Change type of copy_relocs_ to variable,
4431 update initializer.
4432 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4433 class. Change all callers.
4434 (Target_x86_64::do_finalize_sections): Change handling of
4435 copy_relocs_.
4436 * Makefile.am (CCFILES): Add copy-relocs.cc.
4437 (HFILES): Add copy-relocs.h.
4438
4f4995b6
ILT		 4439 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4440
85c7bf8b
ILT		 4441 * testsuite/script_test_4.sh: Permit leading zeroes.
4442
4f2a9edd
ILT		 44432008-04-15 Ian Lance Taylor <iant@google.com>
4444
e6188289
ILT		 4445 * script-sections.cc (Script_sections::create_segments): Use
4446 header_size_adjustment even when there is enough room for the
4447 headers.
4448 * testsuite/script_test_4.sh: New file.
4449 * testsuite/script_test_4.t: New file.
4450 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4451 (check_DATA): Add script_test_4.stdout.
4452 (MOSTLYCLEANFILES): Likewise.
4453 (script_test_4): New target.
4454 (script_test_4.stdout): New target.
4455 * testsuite/Makefile.in: Rebuild.
4456
4f2a9edd
ILT		 4457 * sparc.cc: Add definitions for Output_data_plt_sparc class
4458 constants.
4459
f5314dd5
DM		 44602008-04-14 David S. Miller <davem@davemloft.net>
4461
4462 * sparc.cc: New file.
4463 * Makefile.am (TARGETSOURCES): Add sparc.cc
4464 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4465 * configure.tgt: Document targ_extra_size and
4466 targ_extra_big_endian. Add entries for sparc-* and
4467 sparc64-*.
4468 * configure.ac: Handle targ_extra_size and
4469 targ_extra_big_endian.
4470 * Makefile.in: Rebuild.
4471 * configure: Likewise.
4472 * po/POTFILES.in: Likewise.
4473 * po/gold.pot: Likewise.
4474
154e0e9a
ILT		 44752008-04-14 Ian Lance Taylor <iant@google.com>
4476
4477 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4478 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4479 in the name/type/flags to section mapping. Don't call
4480 allocate_output_section.
4481 (Layout::choose_output_section): Change parameter from adjust_name
4482 to is_input_section. Don't permit input sections after sections
4483 are attached to segments. Don't call allocate_output_section.
4484 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4485 not write_enable_output_section.
4486 (Layout::make_output_section): Don't push to
4487 unattached_section_list_ nor call attach_to_segment. Call
4488 attach_section_to_segment if sections are attached.
4489 (Layout::attach_sections_to_segments): New function.
4490 (Layout::attach_section_to_segment): New function.
4491 (Layout::attach_allocated_section_to_segment): Rename from
4492 attach_to_segment. Remove flags parameter.
4493 (Layout::allocate_output_section): Remove function.
4494 (Layout::write_enable_output_section): Remove function.
4495 * layout.h (class Layout): Update for above changes. Add new
4496 field sections_are_attached_.
4497 * output.h (Output_section::update_flags_for_input_section): New
4498 function.
4499 * output.cc (Output_section::add_input_section): Call
4500 update_flags_for_input_section.
4501 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4502
009a67a2
CC		 45032008-04-11 Cary Coutant <ccoutant@google.com>
4504
4505 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4506 thought unnecessary.
4507 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4508
759b1a24
ILT		 45092008-04-11 Ian Lance Taylor <iant@google.com>
4510
4511 * output.h (class Output_section_data): Remove inline definition
4512 of set_addralign.
4513 * output.cc (Output_section_data::set_addralign): New function.
4514
c2b45e22
CC		 45152008-04-11 Cary Coutant <ccoutant@google.com>
4516
4517 Add support for TLS descriptors for i386 and x86_64.
4518 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4519 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4520 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4521 GOT_TYPE_TLS_DESC.
4522 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4523 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4524 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4525 relocations.
4526 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4527 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4528 Fix problem with initial-exec relocations.
4529 (Target_i386::Relocate::relocate_tls): Likewise.
4530 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4531 relaxation.
4532 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4533 support for section-plus-offset dynamic table entries.
4534 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4535 (Output_data_dynamic::Dynamic_entry): Add support for
4536 section-plus-offset dynamic table entries.
4537 (Output_data_dynamic::Classification): Likewise.
4538 (Output_data_dynamic::classification_): Renamed offset_.
4539 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4540 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4541 (Target_x86_64::make_plt_section): New function.
4542 (Target_x86_64::reserve_tlsdesc_entries): New function.
4543 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4544 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4545 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4546 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4547 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4548 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4549 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4550 add extra PLT entry for TLS descriptors.
4551 (Output_data_plt_x86_64::got_): New field.
4552 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4553 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4554 fields.
4555 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4556 descriptors.
4557 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4558 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4559 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4560 R_386_TLS_DESC_CALL relocations.
4561 (Target_x86_64::Scan::global): Likewise.
4562 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4563 for TLS descriptors.
4564 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4565 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4566 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4567 GD-to-IE relaxation.
4568 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4569 and TLS_DESCRIPTORS.
4570 * Makefile.in: Rebuild.
4571 * configure: Rebuild.
4572 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4573 (tls_test_shared2.so): New target.
4574 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4575 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4576 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4577 (tls_shared_gd_to_ie_test_LDADD): New variable.
4578 (tls_shared_gnu2_gd_to_ie_test): New target.
4579 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4580 New targets.
4581 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4582 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4583 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4584 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4585 (tls_shared_gnu2_test): New target.
4586 (tls_test_gnu2_shared.so): New target.
4587 (tls_shared_gnu2_test_SOURCES): New variable.
4588 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4589 (tls_shared_gnu2_test_LDFLAGS): New variable.
4590 (tls_shared_gnu2_test_LDADD): New variable.
4591 * testsuite/Makefile.in: Rebuild.
4592 * testsuite/Makefile.
4593
83bfb6b7
ILT		 45942008-04-11 Ian Lance Taylor <iant@google.com>
4595
4596 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4597 justsyms.t.
4598 * testsuite/Makefile.in: Rebuild.
4599
4600 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4601 long.
4602 * testsuite/script_test_2.cc (main): Adjust test.
4603
706e1f5e
ILT		 46042008-04-11 David S. Miller <davem@davemloft.net>
4605 Ian Lance Taylor <iant@google.com>
4606
4607 * options.h (General_options): Add entries for '-Y' and
4608 '-relax'.
4609 * options.cc (General_options:finalize): If -Y was used, add those
4610 entries to the library path instead of the default "/lib" and
4611 "/usr/lib".
4612
7c98e6bb
DM		 46132008-04-11 David S. Miller <davem@davemloft.net>
4614
4615 * testsuite/justsyms.t: Start at 0x100.
4616 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 4617 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4618 long.
4619 * testsuite/script_test_2.cc: Adjust string and section length
4620 checks.
7c98e6bb 4621
99a37bfd
ILT		 46222008-04-09 Ian Lance Taylor <iant@google.com>
4623
2cefc357
ILT		 4624 PR gold/5996
4625 * script-sections.cc (Sections_element::allocate_to_segment): Add
4626 orphan parameter.
4627 (Output_section_definition::allocate_to_segment): Likewise.
4628 (Orphan_output_section::allocate_to_segment): Likewise.
4629 (Script_sections::attach_sections_using_phdrs_clause): Don't
4630 propagate non-PT_LOAD segments to orphan sections.
4631 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4632 readelf rather than objdump.
4633 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4634 .interp section and PT_INTERP segment are the same size.
4635 * testsuite/Makefile.in: Rebuild.
4636
99a37bfd
ILT		 4637 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4638 aliases for symbols defined in the same object.
4639 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4640 (weak_alias_test_SOURCES): New variable.
4641 (weak_alias_test_DEPENDENCIES): New variable.
4642 (weak_alias_test_LDFLAGS): New variable.
4643 (weak_alias_test_LDADD): New variable.
4644 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4645 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4646 (weak_alias_test_3.o): New target.
4647 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4648 * testsuite/weak_alias_test_main.cc: New file.
4649 * testsuite/weak_alias_test_1.cc: New file.
4650 * testsuite/weak_alias_test_2.cc: New file.
4651 * testsuite/weak_alias_test_3.cc: New file.
4652
780e49c5
ILT		 46532008-04-08 Ian Lance Taylor <iant@google.com>
4654
cdb0b8f5
ILT		 4655 * options.h (class General_options): Add --noinhibit-exec option.
4656 * main.cc (main): Check --noinhibit-exec.
4657
0864d551
ILT		 4658 * options.h (class General_options): Define --wrap as a special
4659 option. Add wrap_symbols_ field.
4660 (General_options::any_wrap_symbols): New function.
4661 (General_options::is_wrap_symbol): New function.
4662 * options.cc (General_options::parse_wrap): New function.
4663 (General_options::General_options): Initialize wrap_symbols_.
4664 * symtab.cc (Symbol_table::wrap_symbol): New function.
4665 (Symbol_table::add_from_object): Handle --wrap.
4666 * symtab.h (class Symbol_table): Declare wrap_symbol.
4667 * target.h (Target::wrap_char): New function.
4668 (Target::Target_info): Add wrap_char field.
4669 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4670 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4671 * testsuite/testfile.cc (Target_test::test_target_info):
4672 Likewise.
4673
789aa6de
ILT		 4674 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4675 there is one.
4676
2c38906f
ILT		 4677 * layout.h (class Layout): Add added_eh_frame_data_ field.
4678 * layout.cc (Layout::Layout): Initialize new field.
4679 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4680 output section until we find a section we merged successfully.
4681 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4682 that the size be non-zero.
4683
780e49c5
ILT		 4684 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4685 qualifier.
4686
7fcd0256
ILT		 46872008-04-08 Craig Silverstein <csilvers@google.com>
4688
4689 * configure.ac: Export new conditional variable HAVE_ZLIB.
4690 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4691 on HAVE_ZLIB.
4692 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4693 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4694
6835af53
ILT		 46952008-04-07 Ian Lance Taylor <iant@google.com>
4696
e24f324c
ILT		 4697 * version.cc (version_string): Set to "1.5".
4698
a036edd8
ILT		 4699 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4700 Add issued_non_pic_error_ field. Declare check_non_pic.
4701 (Target_x86_64::Scan::check_non_pic): New function.
4702 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4703 (Target_x86_64::Scan::global): Likewise.
4704
624f8810
ILT		 4705 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4706 addend parameter. Change caller. Handle merge sections.
4707 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4708 Address to Addend. Don't add in the result of
4709 local_section_offset, pass down the addend and use the returned
4710 value.
4711 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4712 Update declarations of local_section_offset and symbol_value.
4713 * testsuite/two_file_test_1.cc (t18): New function.
4714 * testsuite/two_file_test_2.cc (f18): New function.
4715 * testsuite/two_file_test_main.cc (main): Call t18.
4716 * testsuite/two_file_test.h (t18, f18): Declare.
4717
6835af53
ILT		 4718 * configure.ac: Don't test for objdump, c++filt, or readelf.
4719 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4720 conditionals.
4721 (TEST_READELF): New variable.
4722 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4723 (check_PROGRAMS): Add two_file_strip_test.
4724 (two_file_strip_test): New target.
4725 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4726 (two_file_same_shared_strip_test_SOURCES): New variable.
4727 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4728 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4729 (two_file_same_shared_strip_test_LDADD): New variable.
4730 (two_file_shared_strip.so): New target.
4731 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4732 (ver_test_5.syms, ver_test_7.syms): Likewise.
4733 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4734 (strip_test_3.stdout): Use TEST_OBJDUMP.
4735 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4736
86925eef
CC		 47372008-04-04 Cary Coutant <ccoutant@google.com>
4738
4739 * symtab.h (Symbol::is_weak_undefined): New function.
4740 (Symbol::is_strong_undefined): New function.
4741 (Symbol::is_absolute): New function.
4742 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4743 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4744 absolute symbols.
4745 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4746 (weak_undef_test): New target.
4747 * testsuite/Makefile.in: Rebuild.
4748 * testsuite/weak_undef_file1.cc: New file.
4749 * testsuite/weak_undef_file2.cc: New file.
4750 * testsuite/weak_undef_test.cc: New file.
4751
126f3ece
ILT		 47522008-04-03 Craig Silverstein <csilvers@google.com>
4753
4754 * compressed_output.h (class Output_compressed_section): Use
4755 unsigned buffer.
4756 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4757 add zlib header.
4758 (zlib_compressed_suffix): Removed.
4759 (Output_compressed_section::set_final_data_size): Use unsigned
4760 buffers.
4761 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4762 Fix linker invocation.
4763 (flagstest_o_specialfile_and_compress_debug_sections):
4764 Likewise.
4765 * testsuite/Makefile.in: Regenerated.
4766
deae2a14
DM		 47672008-04-02 David S. Miller <davem@davemloft.net>
4768
4769 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4770 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4771
70752818
ILT		 47722008-04-02 Craig Silverstein <csilvers@google.com>
4773
4774 * TODO: New file.
4775
39d0cb0e
ILT		 47762008-04-02 Ian Lance Taylor <iant@google.com>
4777
4778 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4779 parameters. Update for new key type to views_. Change all
4780 callers.
4781 (File_read::read): Adjust for byteshift in returned view.
4782 (File_read::add_view): New function, broken out of
4783 find_and_make_view.
4784 (File_read::make_view): New function, broken out of
4785 find_and_make_view.
4786 (File_read::find_or_make_view): Add offset and aligned
4787 parameters. Rewrite accordingly. Change all callers.
4788 (File_read::get_view): Add offset and aligned parameters. Adjust
4789 for byteshift in return value.
4790 (File_read::get_lasting_view): Likewise.
4791 * fileread.h (class File_read): Update declarations.
4792 (class File_read::View): Add byteshift_ field. Add byteshift to
4793 constructor. Add byteshift method.
4794 * archive.h (Archive::clear_uncached_views): New function.
4795 (Archive::get_view): Add aligned parameter. Change all callers.
4796 * object.h (Object::get_view): Add aligned parameter. Change all
4797 callers.
4798 (Object::get_lasting_view): Likewise.
4799
4800 * fileread.cc (File_read::release): Don't call clear_views if
4801 there are multiple objects.
4802 * fileread.h (File_read::clear_uncached_views): New function.
4803 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4804 on the archive.
4805
a1207466
CC		 48062008-03-31 Cary Coutant <ccoutant@google.com>
4807
4808 Add thin archive support.
4809 * archive.cc (Archive::armagt): New const.
4810 (Archive::setup): Remove task parameter and calls to unlock.
4811 (Archive::unlock_nested_archives): New function.
4812 (Archive::read_header): Add nested_off parameter. Change
4813 all callers.
4814 (Archive::interpret_header): Likewise.
4815 (Archive::include_all_members): Change to handle thin
4816 archives.
4817 (Archive::include_member): Likewise.
4818 * archive.h (Archive::Archive): Add new parameters and
4819 initializers.
4820 (Archive::armagt): New const.
4821 (Archive::setup): Remove task parameter.
4822 (Archive::unlock_nested_archives): New function.
4823 (Archive::read_header): Add nested_off parameter.
4824 (Archive::interpret_header): Likewise.
4825 (Archive::Nested_archive_table): New typedef.
4826 (Archive::is_thin_archive_): New field.
4827 (Archive::nested_archives_): New field.
4828 (Archive::options_): New field.
4829 (Archive::dirpath_): New field.
4830 (Archive::task_): New field.
4831 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4832 for thin archives. Pass additional parameters to
4833 Archive::Archive. Unlock the archive file after calling
4834 Archive::setup.
cd536b21 4835
479f6503
ILT		 48362008-03-29 Ian Lance Taylor <iant@google.com>
4837
686c8caf
ILT		 4838 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4839 version symbol to be local.
4840 * testsuite/ver_test_4.sh: New file.
4841 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4842 (check_DATA): Add ver_test_4.syms.
4843 (ver_test_4.syms): New target.
4844 * testsuite/Makefile.in: Rebuild.
4845
ab794b6b
ILT		 4846 * output.cc
4847 (Output_section::Input_section_sort_entry::has_priority): New
4848 function.
4849 (Output_section::Input_section_sort_entry::match_file_name): New
4850 function.
4851 (Output_section::Input_section_sort_entry::match_section_name):
4852 Remove.
4853 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4854 Remove.
4855 (Output_section::Input_section_sort_entry::match_section_file):
4856 Remove.
4857 (Output_section::Input_section_sort_compare::operator()): Rewrite
4858 using new Input_section_sort_entry functions. Sort crtbegin and
4859 crtend first. Sort sections with no priority before sections with
4860 a priority.
4861 * testsuite/initpri1.c (d3): Check j != 4.
4862 (cd5): New constructor/destructor function.
4863 (main): Check j != 2.
4864
479f6503
ILT		 4865 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4866 new symbol when resolving, don't call set_is_default.
4867 * testsuite/ver_test_7.cc: New file.
4868 * testsuite/ver_test_7.sh: New file.
4869 * testsuite/Makefile.am (ver_test_7.so): New target.
4870 (ver_test_7.o): New target.
4871 (check_SCRIPTS): Add ver_test_7.sh.
4872 (check_DATA): Add ver_test_7.syms.
4873 (ver_test_7.syms): New target.
4874
2fd32231
ILT		 48752008-03-28 Ian Lance Taylor <iant@google.com>
4876
4877 * layout.cc (Layout::layout): If we see an input section with a
4878 name that needs sorting, set the must_sort flag for the output
4879 section.
4880 (Layout::make_output_section): If the name of the output section
4881 indicates that it might require sorting, set the may_sort flag.
4882 * output.h (Output_section::may_sort_attached_input_sections): New
4883 function.
4884 (Output_section::set_may_sort_attached_input_sections): New
4885 function.
4886 (Output_section::must_sort_attached_input_sections): New
4887 function.
4888 (Output_section::set_must_sort_attached_input_sections): New
4889 function.
4890 (class Output_section): Declare Input_section_sort_entry. Define
4891 Input_section_sort_compare. Declare
4892 sort_attached_input_sections. Add new fields:
4893 may_sort_attached_input_sections_,
4894 must_sort_attached_input_sections_,
4895 attached_input_sections_are_sorted_.
4896 * output.cc (Output_section::Output_section): Initialize new
4897 fields.
4898 (Output_section::add_input_section): Add an entry to
4899 input_sections_ if may_sort or must_sort are true.
4900 (Output_section::set_final_data_size): Call
4901 sort_attached_input_sections if necessary.
4902 (Output_section::Input_section_sort_entry): Define new class.
4903 (Output_section::Input_section_sort_compare::operator()): New
4904 function.
4905 (Output_section::sort_attached_input_sections): New function.
4906 * configure.ac: Check whether the compiler supports constructor
4907 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4908 * testsuite/initpri1.c: New file.
4909 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4910 CONSTRUCTOR_PRIORITY.
4911 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4912 (initpri1_LDFLAGS): New variable.
4913 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4914
18e6b24e
ILT		 49152008-03-27 Ian Lance Taylor <iant@google.com>
4916
49bdd526
ILT		 4917 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4918 * testsuite/common_test_1.c: New file.
4919 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4920 (common_test_1_SOURCES): New variable.
4921 (common_test_1_DEPENDENCIES): New variable.
4922 (common_test_1_LDFLAGS): New variable.
4923
18e6b24e
ILT		 4924 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4925 and commons_ correctly when NAME/VERSION does not override
4926 NAME/NULL.
4927 * testsuite/ver_test_6.c: New file.
4928 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4929 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4930 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4931
04bf7072
ILT		 49322008-03-26 Ian Lance Taylor <iant@google.com>
4933
5871526f
ILT		 4934 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4935 of an undefined symbol from a version script.
4936 * testsuite/Makefile.am (ver_test_5.so): New target.
4937 (ver_test_5.o): New target.
4938 (check_SCRIPTS): Add ver_test_5.sh.
4939 (check_DATA): Add ver_test_5.syms.
4940 (ver_test_5.syms): New target.
4941 * testsuite/ver_test_5.cc: New file.
4942 * testsuite/ver_test_5.script: New file.
4943 * testsuite/ver_test_5.sh: New file.
4944 * Makefile.in, testsuite/Makefile.in: Rebuild.
4945
04bf7072
ILT		 4946 PR gold/5986
4947 Fix problems building gold with gcc 4.3.0.
4948 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4949 (gold_error_at_location, gold_warning_at_location): Use it.
4950 * configure.ac: Check whether we can compile and use a template
4951 function with a printf attribute.
4952 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4953 when jumping over bytes.
4954 * object.cc: Instantiate Object::read_section_data.
4955 * debug.h: Include <cstring>
4956 * dwarf_reader.cc: Include <algorithm>
4957 * main.cc: Include <cstring>.
4958 * options.cc: Include <cstring>.
4959 * output.cc: Include <cstring>.
4960 * script.cc: Include <cstring>.
4961 * script.h: Include <string>.
4962 * symtab.cc: Include <cstring> and <algorithm>.
4963 * target-select.cc: Include <cstring>.
4964 * version.cc: Include <string>.
4965 * testsuite/testmain.cc: Include <cstdlib>.
4966 * configure, config.in: Rebuild.
4967
874c5b28
ILT		 49682008-03-25 Ian Lance Taylor <iant@google.com>
4969
819d6c3a
ILT		 4970 * options.cc: Include "../bfd/bfdver.h".
4971 (options::help): Print bug reporting address.
4972
f4b2c6f5
ILT		 4973 * version.cc (print_version): Adjust output for current value of
4974 BFD_VERSION_STRING.
4975
4976 * NEWS: New file.
4977
e96caa79
ILT		 4978 * options.cc (options::help): Print list of supported targets.
4979 * target-select.h: Include <vector>.
4980 (class Target_selector): Make machine_, size_, and is_big_endian_
4981 fields const. Add bfd_name_ and instantiated_target_ fields.
4982 (Target_selector::Target_selector): Add bfd_name parameter.
4983 (Target_selector::recognize): Make non-virtual, call
4984 do_recognize.
4985 (Target_selector::recognize_by_name): Make non-virtual, call
4986 do_recognize_by_name.
4987 (Target_selector::supported_names): New function.
4988 (Target_selector::bfd_name): New function.
4989 (Target_selector::do_instantiate_target): New pure virtual
4990 function.
4991 (Target_selector::do_recognize): New virtual function.
4992 (Target_selector::do_recognize_by_name): New virtual function.
4993 (Target_selector::instantiate_target): New private function.
4994 (supported_target_names): Declare.
4995 * target-select.cc (Target_selector::Target_selector): Update for
4996 new parameter and fields.
4997 (select_target_by_name): Check that the name matches before
4998 calling recognize_by_name.
4999 (supported_target_names): New function.
5000 * i386.cc (class Target_selector_i386): Update Target_selector
5001 constructor call. Remove recognize and recognize_by_name. Add
5002 do_instantiate_target.
5003 * x86_64.cc (class Target_selector_x86_64): Likewise.
5004 * testsuite/testfile.cc (class Target_selector_test): Update for
5005 changes to Target_selector.
5006
874c5b28
ILT		 5007 * README: Rewrite, with some notes on unsupported features.
5008
0a65a3a7
CC		 50092008-03-24 Cary Coutant <ccoutant@google.com>
5010
5011 * i386.cc (Target_i386::Got_type): New enum declaration.
5012 (Target_i386::Scan::local): Updated callers of Output_data_got
5013 member functions.
5014 (Target_i386::Scan::global): Likewise.
5015 (Target_i386::Relocate::relocate): Likewise.
5016 (Target_i386::Relocate::relocate_tls): Likewise.
5017 * object.h (Got_offset_list): New class.
5018 (Sized_relobj::local_has_got_offset): Added got_type parameter.
5019 (Sized_relobj::local_got_offset): Likewise.
5020 (Sized_relobj::set_local_got_offset): Likewise.
5021 (Sized_relobj::local_has_tls_got_offset): Removed.
5022 (Sized_relobj::local_tls_got_offset): Removed.
5023 (Sized_relobj::set_local_tls_got_offset): Removed.
5024 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5025 * output.cc (Output_data_got::add_global): Added got_type parameter.
5026 (Output_data_got::add_global_with_rel): Likewise.
5027 (Output_data_got::add_global_with_rela): Likewise.
5028 (Output_data_got::add_global_pair_with_rel): New function.
5029 (Output_data_got::add_global_pair_with_rela): New function.
5030 (Output_data_got::add_local): Added got_type parameter.
5031 (Output_data_got::add_local_with_rel): Likewise.
5032 (Output_data_got::add_local_with_rela): Likewise.
5033 (Output_data_got::add_local_pair_with_rel): New function.
5034 (Output_data_got::add_local_pair_with_rela): New function.
5035 (Output_data_got::add_global_tls): Removed.
5036 (Output_data_got::add_global_tls_with_rel): Removed.
5037 (Output_data_got::add_global_tls_with_rela): Removed.
5038 (Output_data_got::add_local_tls): Removed.
5039 (Output_data_got::add_local_tls_with_rel): Removed.
5040 (Output_data_got::add_local_tls_with_rela): Removed.
5041 * output.h (Output_data_got::add_global): Added got_type parameter.
5042 (Output_data_got::add_global_with_rel): Likewise.
5043 (Output_data_got::add_global_with_rela): Likewise.
5044 (Output_data_got::add_global_pair_with_rel): New function.
5045 (Output_data_got::add_global_pair_with_rela): New function.
5046 (Output_data_got::add_local): Added got_type parameter.
5047 (Output_data_got::add_local_with_rel): Likewise.
5048 (Output_data_got::add_local_with_rela): Likewise.
5049 (Output_data_got::add_local_pair_with_rel): New function.
5050 (Output_data_got::add_local_pair_with_rela): New function.
5051 (Output_data_got::add_global_tls): Removed.
5052 (Output_data_got::add_global_tls_with_rel): Removed.
5053 (Output_data_got::add_global_tls_with_rela): Removed.
5054 (Output_data_got::add_local_tls): Removed.
5055 (Output_data_got::add_local_tls_with_rel): Removed.
5056 (Output_data_got::add_local_tls_with_rela): Removed.
5057 * resolve.cc (Symbol::override_base_with_special): Removed
5058 reference to has_got_offset_ field.
5059 * symtab.cc (Symbol::init_fields): Replaced initialization
5060 of got_offset_ with got_offsets_. Removed initialization
5061 of has_got_offset_
53fcba31 5062 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 5063 (Symbol::got_offset): Likewise.
5064 (Symbol::set_got_offset): Likewise.
5065 (Symbol::has_tls_got_offset): Removed.
5066 (Symbol::tls_got_offset): Removed.
5067 (Symbol::set_tls_got_offset): Removed.
5068 (Symbol::got_offset_): Removed.
5069 (Symbol::tls_mod_got_offset_): Removed.
5070 (Symbol::tls_pair_got_offset_): Removed.
5071 (Symbol::got_offsets_): New field.
5072 (Symbol::has_got_offset): Removed.
5073 (Symbol::has_tls_mod_got_offset): Removed.
5074 (Symbol::has_tls_pair_got_offset): Removed.
5075 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5076 (Target_x86_64::Scan::local): Updated callers of Output_data_got
5077 member functions.
5078 (Target_x86_64::Scan::global): Likewise.
5079 (Target_x86_64::Relocate::relocate): Likewise.
5080 (Target_x86_64::Relocate::relocate_tls): Likewise.
5081
bd52eafb
BE		 50822008-03-25 Ben Elliston <bje@au.ibm.com>
5083
5084 * yyscript.y: Fix spelling error in comment.
5085
8b105e34
ILT		 50862008-03-24 Ian Lance Taylor <iant@google.com>
5087
8ed814a9
ILT		 5088 * options.h (class General_options): Define build_id option.
5089 * layout.h (class Layout): Declare write_build_id, create_note,
5090 create_build_id. Add build_id_note_ member.
5091 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5092 "libiberty.h", "md5.h", "sha1.h".
5093 (Layout::Layout): Initialize eh_frame_data_,
5094 eh_frame_hdr_section_, and build_id_note_.
5095 (Layout::finalize): Call create_build_id.
5096 (Layout::create_note): New function, broken out of
5097 Layout::create_gold_note.
5098 (Layout::create_gold_note): Call create_note.
5099 (Layout::create_build_id): New function.
5100 (Layout::write_build_id): New function.
5101 (Close_task_runner::run): Call write_build_id.
5102
8b105e34
ILT		 5103 * x86_64.cc: Correct license to GPLv3.
5104
086a1841
ILT		 51052008-03-23 Ian Lance Taylor <iant@google.com>
5106
5107 * options.cc: Include "demangle.h".
5108 (parse_optional_string): New function.
5109 (parse_long_option): Handle takes_optional_argument.
5110 (parse_short_option): Update dash_z initializer. Handle
5111 takes_optional_argument.
5112 (General_options::General_options): Initialize do_demangle_.
5113 (General_options::finalize): Set do_demangle_. Handle demangling
5114 style.
5115 * options.h (parse_optional_string): Declare.
5116 (struct One_option): Add optional_arg field. Update constructor.
5117 Update call constructor calls. Add takes_optional_argument
5118 function.
5119 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
5120 (DEFINE_optional_string): Define.
5121 (General_options::demangle): Change from DEFINE_bool to
5122 DEFINE_optional_string.
5123 (General_options::no_demangle): New function.
5124 (General_options::do_demangle): New function.
5125 (General_options::set_do_demangle): New function.
5126 (General_options::execstack_status_): Move definition to end of
5127 class definition.
5128 (General_options::static_): Likewise.
5129 (General_options::do_demangle_): New field.
5130 * object.cc (big_endian>::get_symbol_location_info): Call
5131 Options::do_demangle, not Options::demangle.
5132 * symtab.cc (demangle): Likewise.
5133
cbb93e63
ILT		 51342008-03-22 Ian Lance Taylor <iant@google.com>
5135
5136 * gold.h: Include <cstddef> and <sys/types.h>
5137 * options.h: Include <cstring>.
5138
ec531623
ILT		 51392008-03-21 Ian Lance Taylor <iant@google.com>
5140
5141 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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