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2009-11-25 Doug Kwan <dougkwan@google.com>
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
51938283
DK		 12009-11-25 Doug Kwan <dougkwan@google.com>
2
3 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6 formatting.
7 (Arm_relocate_functions::thm_call): Replace body with a call to
8 Arm_relocate_functions::thumb_branch_common.
9 (Arm_relocate_functions::thm_jump24,
10 Arm_relocate_functions::thm_xpc22): New method definitions.
11 (Arm_relocate_functions::thumb_branch_common): New method definition.
12 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
13 operator.
14 (Target_arm::Relocate::relocate): Adjust call to thm_call.
15 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
16
e2b8f3c4
RÁE		 172009-11-24 Rafael Avila de Espindola <espindola@google.com>
18
19 * Makefile.am: Build incremental-dump
20 * Makefile.in: Regenerate.
21 * incremental-dump.cc: New.
22 * incremental.cc (Incremental_inputs_header_data,
23 Incremental_inputs_entry_data): Move to incremental.h
24 * incremental.h: (Incremental_inputs_header_data,
25 Incremental_inputs_entry_data): Move from incremental.cc
26
bcba9aec
RÁE		 272009-11-24 Rafael Avila de Espindola <espindola@google.com>
28
29 * incremental.cc (Incremental_inputs_header,
30 Incremental_inputs_header_write, Incremental_inputs_entry,
31 Incremental_inputs_entry_write): Add a typedef with the data type.
32
7c3afe08
RÁE		 332009-11-24 Rafael Avila de Espindola <espindola@google.com>
34
35 * incremental.cc (Incremental_inputs_header,
36 Incremental_inputs_header_write, Incremental_inputs_entry,
37 Incremental_inputs_entry_write): Update comment about which
38 type has the filed descriptions.
39
d204b6e9
DK		 402009-11-15 Doug Kwan <dougkwan@google.com>
41
42 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
43 (Arm_relocate_functions::arm_branch_common): Change method defintion
44 in class definition to a method declaration and update list of formal
45 parameters.
46 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
47 Arm_relocation_functions::jump24): Adjust call to
48 Arm_relocate_functions::arm_branch_common. Update list of formal
49 parameters.
50 (Arm_relocate_functions::xpc25): New method definition.
51 (Arm_relocate_functions::arm_branch_common): Move method defintion
52 out from class definition. Use stubs for mode-switching and extending
53 branch ranges.
54 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
55 specially. Change code to enable use of stubs in ARM branches.
56
43d12afe
DK		 572009-11-10 Doug Kwan <dougkwan@google.com>
58
59 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
60 in method declaration.
61 (Target_arm::relocate_stub): New method declaration.
62 (Target_arm::default_target): Change to return a pointer instead of
63 a const reference.
64 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
65 Target_arm::default_target.
66 (Arm_Relobj::do_relocate_sections): Remove options paramater in
67 method definition.
68 (Target_arm::relocate_section): Adjust view.
69 (Target_arm::relocate_stub): New method definition.
70
ac33a407
DK		 712009-11-10 Doug Kwan <dougkwan@google.com>
72
73 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
74 a format warning.
75 * incremental.cc (open_incremental_binary): Initialized local
76 variables to avoid warnings.
77 * object.cc (make_elf_object): Ditto.
78 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
79 a format warning.
80
88ee28e9
L		 81009-11-09 H.J. Lu <hongjiu.lu@intel.com>
82
83 PR gold/10930
84 * testsuite/plugin_test.c: Include "config.h".
85
2daedcd6
DK		 862009-11-09 Doug Kwan <dougkwan@google.com>
87
88 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
89 (arm_symbol_value): Remove.
90 (Arm_relocate_functions::arm_branch_common,
91 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
92 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
93 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
94 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
95 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
96 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
97 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
98 Arm_relocate_functions::thm_mobw_abs_nc,
99 Arm_relocate_functions::thm_mov_abs,
100 Arm_relocate_functions::movw_prel_nc,
101 Arm_relocate_functions::thm_movt_abs,
102 Arm_relocate_functions::movt_prel,
103 Arm_relocate_functions::thm_movw_prel_nc,
104 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
105 (Target_arm::Relocate::relocate): Only decompose address into two
106 parts if relocation type uses the thumb-bit and pass the actual
107 bit instead of a flag indicating that the thumb-bit is used. Adjust
108 calls to methods in Arm_relocate_functions for this change.
109
3e4afc80
ILT		 1102009-11-08 Ian Lance Taylor <ian@airs.com>
111
112 PR 10925
113 * reloc.cc: Instantiate
114 Sized_relobj::initialize_input_to_output_maps and
115 Sized_relobj:free_input_to_output_maps.
116
e53ad1b5
ILT		 1172009-11-06 Ian Lance Taylor <iant@google.com>
118
119 PR 10876
120 * defstd.cc (in_segment): Set only_if_ref true for "end".
121
eb44217c
DK		 1222009-11-06 Doug Kwan <dougkwan@google.com>
123
124 * arm.cc (class Reloc_stub): Correct a comment.
125 (Target_arm::Target_arm): Initialize arm_input_section_map_.
126 (Target_arm::scan_section_for_stubs): New method declaration.
127 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
128 Change methods from private to protected.
129 (Target_arm::do_may_relax): New method definition.
130 (Target_arm::do_relax, Target_arm::group_sections,
131 Target_arm::scan_reloc_for_stub,
132 Target_arm::scan_reloc_section_for_stubs): New method declarations.
133 (Target_arm::arm_input_section_map_): New data member declaration.
134 (Target_arm::scan_reloc_for_stub,
135 Target_arm::scan_reloc_section_for_stubs,
136 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
137 Target_arm::do_relax): New method definitions.
138
5d329b7d
ILT		 1392009-11-06 Mikolaj Zalewski <mikolaj@google.com>
140
141 * configure.ac: Check for (struct stat)::st_mtim
142 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
143 * config.in: Regenerate.
144 * configure: Regenerate.
145
96a0d71b
ILT		 1462009-11-05 Ian Lance Taylor <iant@google.com>
147
148 PR 10910
149 * output.cc (Output_segment::add_output_section): Add missing
150 return statement.
151
594c8e5e
ILT		 1522009-11-04 Ian Lance Taylor <iant@google.com>
153
154 PR 10880
155 * object.h (class Object): Add is_needed and set_is_needed
156 methods. Add is_needed_ field. Make bool fields into bitfields.
157 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
158 defined in a dynamic object and referenced by a regular object,
159 set is_needed for the dynamic object.
160 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
161 if the file is marked with as_needed and it is not needed.
162
22b127cc
ILT		 1632009-11-04 Ian Lance Taylor <iant@google.com>
164
165 PR 10887
166 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
167 tags if data is discarded by linker script.
168 * i386.cc (Target_i386::do_finalize_sections): Likewise.
169 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
170 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
171 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
172
f5c870d2
ILT		 1732009-11-04 Ian Lance Taylor <iant@google.com>
174
175 * layout.cc (Layout::get_output_section): Add is_interp and
176 is_dynamic_linker_section parameters. Change all callers.
177 (Layout::choose_output_section): Likewise.
178 (Layout::make_output_section): Likewise.
179 (Layout::add_output_section_data): Add is_dynamic_linker_section
180 parameter. Change all callers.
181 * layout.h (class Layout): Update declarations.
182 * output.h (class Output_section): Add is_interp, set_is_interp,
183 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
184 Add is_interp_, is_dynamic_linker_section_ fields. Change
185 generate_code_fills_at_write_ to a bitfield.
186 * output.cc (Output_section::Output_sections): Initialize new
187 fields.
188 (Output_segment::add_output_section): Add do_sort parameter.
189 Change all callers.
190
1ae4d23b
ILT		 1912009-11-03 Ian Lance Taylor <iant@google.com>
192
193 PR 10860
194 * options.h (class General_options): Add --warn-common.
195 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
196 merging two common symbols.
197 (Symbol_table::should_override): Handle --warn-common when merging
198 a common symbol with a defined symbol. Use report_resolve_problem
199 for multiple definitions.
200 (Symbol_table::report_resolve_problem): New function.
201 * symtab.h (class Symbol_table): Declare report_resolve_problem.
202
55da9579
DK		 2032009-11-03 Doug Kwan <dougkwan@google.com>
204
205 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
206 stub_factory_.
207 (Target_arm::stub_factory): New method definition.
208 (Target_arm::new_arm_input_section,
209 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
210 Target_arm::reloc_uses_thumb_bit): New method declarations.
211 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
212 New type definitions.
213 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
214 member declarations.
215 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
216 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
217 New method definitions.
218
37a9ac43
ILT		 2192009-11-03 Ian Lance Taylor <iant@google.com>
220
221 * options.h (class General_options): Add --warn_constructors.
222
b3d6a3d4
ILT		 2232009-11-03 Ian Lance Taylor <iant@google.com>
224
225 PR 10893
226 * defstd.cc (in_section): Add entries for __rel_iplt_start,
227 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
228
934b01dd
ILT		 2292009-11-03 Ian Lance Taylor <iant@google.com>
230
231 PR 10895
232 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
233 --msgid-bugs-address.
234 (install-pdf): New target.
235 (install-data_yes): Look up one directory to find mkinstalldirs.
236
03c1939b
L		 2372009-11-03 H.J. Lu <hongjiu.lu@intel.com>
238
239 * po/Make-in (.po.gmo): Don't generate .gmo files in source
240 tree.
241
ebd95253
DK		 2422009-10-30 Doug Kwan <dougkwan@google.com>
243
244 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
245
e9bbb538
DK		 2462009-10-30 Doug Kwan <dougkwan@google.com>
247
248 * arm.cc (Stub_addend_reader): New struct template definition
249 and partial specializations.
250 (Stub_addend_reader::operator()): New method definition for a
251 partially specialized template.
252
d5b40221
DK		 2532009-10-30 Doug Kwan <dougkwan@google.com>
254
255 * arm.cc (Arm_relobj::processor_specific_flags): New method
256 definition.
257 (Arm_relobj::do_read_symbols): New method declaration.
258 (Arm_relobj::processor_specific_flags_): New data member declaration.
259 (Arm_dynobj): New class definition.
260 (Target_arm::do_finalize_sections): Add input_objects parameter.
261 (Target_arm::do_adjust_elf_header): New method declaration.
262 (Target_arm::are_eabi_versions_compatible,
263 (Target_arm::merge_processor_specific_flags): New method declaration.
264 (Target_arm::do_make_elf_object): New overloaded method definitions
265 and declaration.
266 (Arm_relobj::do_read_symbols): New method definition.
267 (Arm_dynobj::do_read_symbols): Ditto.
268 (Target_arm::do_finalize_sections): Add input_objects parameters.
269 Merge processor-specific flags from all input objects.
270 (Target_arm::are_eabi_versions_compatible,
271 Target_arm::merge_processor_specific_flags,
272 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
273 New method definitions.
274 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
275 Input_objects pointer type parameter.
276 * layout.cc (Layout::finalize): Pass input objects to target's.
277 finalize_sections function.
278 * output.cc (Output_file_header::do_sized_write): Set ELF file
279 header's processor-specific flags.
280 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
281 Input_objects pointer type parameter.
282 * sparc.cc (Target_sparc::do_finalize_sections): Same.
283 * target.h (Input_objects): New forward class declaration.
284 (Target::processor_specific_flags,
285 Target::are_processor_specific_flags_sect): New method definitions.
286 (Target::finalize_sections): Add input_objects parameter.
287 (Target::Target): Initialize processor_specific_flags_ and
288 are_processor_specific_flags_set_.
289 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
290 parameter.
291 (Target::set_processor_specific_flags): New method definition.
292 (Target::processor_specific_flags_,
293 Target::are_processor_specific_flags_set_): New data member
294 declarations.
295 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
296 Input_objects pointer type parameter.
297
ebabffbd
DK		 2982009-10-30 Doug Kwan <dougkwan@google.com>
299
300 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
301
ad0f2072
ILT		 3022009-10-28 Ian Lance Taylor <iant@google.com>
303
304 * object.h (class Relobj): Drop options parameter from
305 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
306 do_scan_relocs, do_relocate. Change all callers.
307 (class Sized_relobj): Drop options parameters from
308 do_gc_process_relocs, do_scan_relocs, do_relocate,
309 do_relocate_sections, relocate_sections, emit_relocs_scan,
310 emit_relocs_scan_reltype. Change all callers.
311 (struct Relocate_info): Remove options field and all references to
312 it.
313 * reloc.h (class Read_relocs): Remove options constructor
314 parameter and options_ field. Change all callers.
315 (class Gc_process_relocs, class Scan_relocs): Likewise.
316 (class Relocate_task): Likewise.
317 * target-reloc.h (scan_relocs): Remove options parameter. Change
318 all callers.
319 (scan_relocatable_relocs): Likewise.
320 * target.h (class Sized_target): Remove options parameter from
321 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
322 all callers.
323 * gc.h (gc_process_relocs): Remove options parameter. Change all
324 callers.
325 * arm.cc: Update functions to remove options parameters.
326 * i386.cc: Likewise.
327 * powerpc.cc: Likewise.
328 * sparc.cc: Likewise.
329 * x86_64.cc: Likewise.
330 * testsuite/testfile.cc: Likewise.
331
8ffa3667
DK		 3322009-10-28 Doug Kwan <dougkwan@google.com>
333
334 * arm.cc (Arm_relobj): New class definition.
335 (Arm_relobj::scan_sections_for_stubs,
336 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
337 New method definitions.
338
40f36857
CC		 3392009-10-28 Cary Coutant <ccoutant@google.com>
340
341 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
342 (Plugin::cleanup_done_): New member.
343 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
344 (Plugin_manager::cleanup_done_): Remove.
345 (Plugin_manager::add_input_file): Edit error message.
346 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
347 (Plugin_manager::cleanup): Remove use of cleanup_done_.
348
2c849493
ILT		 3492009-10-27 Mikolaj Zalewski <mikolajz@google.com>
350
351 * fileread.cc: (File_read::View::~View): Use the new
352 data_ownership_ filed.
353 (File_read::~File_read): Dispose the new whole_file_view_.
354 (File_read::open): Mmap the whole file if needed.
355 (File_read::open): Use whole_file_view_ instead of contents_.
356 (File_read::find_view): Use whole_file_view_ if applicable.
357 (File_read::do_read): Use whole_file_view_ instead of contents_.
358 (File_read::make_view): Use whole_file_view_ instead of contents_,
359 update File_read::View::View call.
360 (File_read::find_or_make_view): Update File_read::View::View
361 call.
362 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
363 remove contents_
364 (File_read::View::Data_ownership): New enum.
365 (File_read::View::View): Replace bool mapped_ with Data_ownership
366 argument.
367 (File_read::View::mapped_): Remove (replaced by data_ownership_).
368 (File_read::View::data_ownership_): New field.
369 (File_read::contents_): Remove (replaced by whole_file_view_).
370 (File_read::whole_file_view_): New field.
371 * options.h (class General_options): Add --keep-files-mapped.
372
24998053
CC		 3732009-10-27 Cary Coutant <ccoutant@google.com>
374
375 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
376 * testsuite/Makefile.am (plugin_test_5): New test case.
377 * testsuite/Makefile.in: Regenerate.
378
72adc4fa
DK		 3792009-10-25 Doug Kwan <dougkwan@google.com>
380
381 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
382 from private to protected to allow access by child class.
383 (Sized_relobj::do_relocate_sections): New method declaration.
384 (Sized_relobj::relocate_sections): Virtualize.
385 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
386 Sized_relobj::relocate_sections. Instantiate template explicitly
387 for different target sizes and endianity.
388
07f508a2
DK		 3892009-10-24 Doug Kwan <dougkwan@google.com>
390
391 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
392 (Arm_input_section::as_arm_input_section): New method.
393 (Arm_output_section): New class definition.
394 (Arm_output_section::create_stub_group,
395 Arm_output_section::group_sections): New method definitions.
396
10ad9fe5
DK		 3972009-10-22 Doug Kwan <dougkwan@google.com>
398
399 * arm.cc (Arm_input_section): New class definition.
400 (Arm_input_section::init, Arm_input_section:do_write,
401 Arm_input_section::set_final_data_size,
402 Arm_input_section::do_reset_address_and_file_offset): New method
403 definitions.
404
56ee5e00
DK		 4052009-10-21 Doug Kwan <dougkwan@google.com>
406
407 * arm.cc (Stub_table, Arm_input_section): New forward class
408 declarations.
409 (Stub_table): New class defintion.
410 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
411 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
412 New method definition.
413
b569affa
DK		 4142009-10-21 Doug Kwan <dougkwan@google.com>
415
416 * arm.cc: Update copyright comments.
417 (Target_arm): New forward class template declaration.
418 (Arm_address): New type.
419 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
420 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
421 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
422 constants.
423 (Insn_template): Same.
424 (DEF_STUBS): New macro.
425 (Stub_type): New enum type.
426 (Stub_template): New class definition.
427 (Stub): Same.
428 (Reloc_stub): Same.
429 (Stub_factory): Same.
430 (Target_arm::Target_arm): Initialize may_use_blx_ and
431 should_force_pic_veneer_.
432 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
433 Target_arm::should_force_pic_veneer,
434 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
435 Target_arm::using_thumb_only, Target_arm:;default_target): New
436 method defintions.
437 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
438 New data member declarations.
439 (Insn_template::size, Insn_template::alignment): New method defintions.
440 (Stub_template::Stub_template): New method definition.
441 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
442 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
443 (Stub_factory::Stub_factory): New method definition.
444 * gold.h (string_hash): New template.
445 * output.h (Input_section_specifier::hash_value): Use
446 gold::string_hash.
447 (Input_section_specifier::string_hash): Remove.
448 * stringpool.cc (Stringpool_template::string_hash): Use
449 gold::string_hash.
450
6c172549
DK		 4512009-10-20 Doug Kwan <dougkwan@google.com>
452
453 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
454 symbols of relaxed input sections.
455 * output.h (Output_section::find_relaxed_input_section): Make
456 method public.
457
c5617f2f
DK		 4582009-10-16 Doug Kwan <dougkwan@google.com>
459
460 * dynobj.cc (Versions::Versions): Initialize version_script_.
461 Only insert base version symbol definition for a shared object
462 if version script defines any version versions.
463 (Versions::define_base_version): New method definition.
464 (Versions::add_def): Check that base version is not needed.
465 (Versions::add_need): Define base version lazily.
466 * dynobj.h (Versions::define_base_version): New method declaration.
467 (Versions::needs_base_version_): New data member declaration.
468 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
469 (check_DATA): Add no_version_test.stdout.
470 (libno_version_test.so, no_version_test.o no_version_test.stdout):
471 New make rules.
472 * testsuite/Makefile.in: Regenerate.
473 * testsuite/no_version_test.c: New file.
474 * testsuite/no_version_test.sh: Ditto.
475
3c12dcdb
DK		 4762009-10-16 Doug Kwan <dougkwan@google.com>
477
478 * expression.cc (class Segment_start_expression): New class definition.
479 (Segment_start_expression::value): New method definition.
480 (script_exp_function_segment_start): Return a new
481 Segment_start_expression.
482 * gold/script-c.h (script_saw_segment_start_expression): New function
483 prototype.
484 * script-sections.cc (Script_sections::Script_sections): Initialize
485 SAW_SEGMENT_START_EXPRESSION_ to false.
486 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
487 and -Tbbs options to specify section addresses if given in
488 command line and no SEGMENT_START expression is seen in a script.
489 * script-sections.h (Script_sections::saw_segment_start_expression,
490 Script_sections::set_saw_segment_start_expression): New method
491 definition.
492 (Script_sections::saw_segment_start_expression_): New data member
493 declaration.
494 * script.cc (script_saw_segment_start_expression): New function.
495 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
496 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
497 script_test_7.sh and script_test_8.sh.
498 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
499 script_test_8.stdout.
500 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
501 (script_test_6, script_test_6.stdout, script_test_7,
502 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
503 * Makefile.in: Regenerate.
504 * testsuite/script_test_6.sh: New file.
505 * testsuite/script_test_6.t: Same.
506 * testsuite/script_test_7.sh: Same.
507 * testsuite/script_test_7.t: Same.
508 * testsuite/script_test_8.sh: Same.
509
64b1ae37
DK		 5102009-10-16 Doug Kwan <dougkwan@google.com>
511
512 * output.cc (Output_segment::set_section_list_address): Cast
513 expressions to unsigned long long type to avoid format warnings.
514
661be1e2
ILT		 5152009-10-15 Ian Lance Taylor <iant@google.com>
516
12edd763 517 * script.cc (Script_options::add_symbol_assignment): Always add a
b3d6a3d4 518 dot assignment to script_sections_.
12edd763
ILT		 519 * script-sections.cc (Script_sections::add_dot_assignment):
520 Initialize if necessary.
521
68b6574b
ILT		 522 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
523 program headers with no load segment if there is a linker script.
524
661be1e2
ILT		 525 * layout.cc (Layout::set_segment_offsets): Align the file offset
526 to the segment aligment for -N or -n with no load segment.
527 * output.cc (Output_segment::add_output_section): Don't crash if
528 the first section is a TLS section.
529 (Output_segment::set_section_list_addresses): Print an error
530 message if the address moves backward in a linker script.
531 * script-sections.cc
532 (Output_section_element_input::set_section_addresses): Don't
533 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
534 (Orphan_output_section::set_section_addresses): Likewise.
535
f15f61a7
DK		 5362009-10-15 Doug Kwan <dougkwan@google.com>
537
538 * layout.cc (Layout::finish_dynamic_section): Generate tags
539 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
540 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
541 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
542
82bb573a
ILT		 5432009-10-14 Ian Lance Taylor <iant@google.com>
544
545 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
546 fields.
547 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
548 data_shdr fields of relinfo.
549 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
550 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
551 R_386_TLS_LDO_32, adjust based on section flags.
552 (Target_i386::Relocate::fix_up_ldo): Remove.
553
374ad285
ILT		 5542009-10-13 Ian Lance Taylor <iant@google.com>
555
556 Add support for -pie.
557 * options.h (class General_options): Add -pie and
558 --pic-executable.
559 (General_options::output_is_position_independent): Test -pie.
560 (General_options::output_is_executable): Return true if not shared
561 and not relocatable.
562 (General_options::output_is_pie): Remove.
563 * options.cc (General_options::finalize): Reject incompatible uses
564 of -pie.
565 * gold.cc (queue_middle_tasks): A -pie link is not static.
566 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
567 * symtab.cc (Symbol::final_value_is_known): Return false if
568 output_is_position_independent.
569 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
570 output_is_position_independent.
571 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
572 output_is_position_independent.
573 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
574 output_is_position_independent.
575 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
576 two_file_pie_test.
577 (basic_pie_test.o, basic_pie_test): New targets.
578 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
579 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
580 (two_file_pie_test): New target.
581 * testsuite/Makefile.in: Rebuild.
582 * README: Remove note saying that -pie is not supported.
583
c6585162
ILT		 5842009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
585
586 * options.h (class General_options): Add -init and -fini.
587 * layout.cc (Layout::finish_dynamic_section): Emit
588 given init and fini functions.
589
032ce4e9
ST		 5902009-10-13 Sriraman Tallam <tmsriram@google.com>
591
592 * gc.h (gc_process_relocs): Check if icf is enabled using new
593 function.
594 * gold.cc (queue_initial_tasks): Likewise.
595 (queue_middle_tasks): Likewise.
596 * object.cc (do_layout): Likewise.
597 * symtab.cc (is_section_folded): Likewise.
598 * main.cc (main): Likewise.
599 * reloc.cc (Read_relocs::run): Likewise.
600 (Sized_relobj::do_scan_relocs): Likewise.
601 * icf.cc (is_function_ctor_or_dtor): New function.
602 (Icf::find_identical_sections): Check if function is ctor or dtor when
603 safe icf is chosen.
604 * options.h (General_options::icf): Change option to be an enum.
605 (Icf_status): New enum.
606 (icf_enabled): New method.
607 (icf_safe_folding): New method.
608 (set_icf_status): New method.
609 (icf_status_): New variable.
610 * (options.cc) (General_options::finalize): Set icf_status_.
611 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
612 icf_test and icf_keep_unique_test to use the --icf enum flag.
613 * testsuite/icf_safe_test.sh: New file.
614 * testsuite/icf_safe_test.cc: New file.
615
f345227a
ST		 6162009-10-12 Sriraman Tallam <tmsriram@google.com>
617
618 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
619 includes to gc.h and icf.h.
620 * arm.cc: Include gc.h.
621 * gold.cc: Likewise.
622 * i386.cc: Likewise.
623 * powerpc.cc: Likewise.
624 * sparc.cc: Likewise.
625 * x86_64.cc: Likewise.
626 * gc.h: Include icf.h.
627
1c7814ed
ILT		 6282009-10-11 Ian Lance Taylor <iant@google.com>
629
630 * plugin.cc: Include "gold.h" before other header files.
631
ae3b5189
CD		 6322009-10-10 Chris Demetriou <cgd@google.com>
633
634 * options.h (Input_file_argument::Input_file_type): New enum.
635 (Input_file_argument::is_lib_): Replace with...
636 (Input_file_argument::type_): New member.
637 (Input_file_argument::Input_file_argument): Take Input_file_type
638 'type' rather than boolean 'is_lib' as second argument.
639 (Input_file_argument::is_lib): Use type_.
640 (Input_file_argument::is_searched_file): New function.
641 (Input_file_argument::may_need_search): Handle is_searched_file.
642 * options.cc (General_options::parse_library): Support -l:filename.
643 (General_options::parse_just_symbols): Update for Input_file_argument
644 changes.
645 (Command_line::process): Likewise.
646 * archive.cc (Archive::get_file_and_offset): Likewise.
647 * plugin.cc (Plugin_manager::release_input_file): Likewise.
648 * script.cc (read_script_file, script_add_file): Likewise.
649 * fileread.cc (Input_file::Input_file): Likewise.
650 (Input_file::will_search_for): Handle is_searched_file.
651 (Input_file::open): Likewise.
652 * readsyms.cc (Read_symbols::get_name): Likewise.
653 * testsuite/Makefile.am (searched_file_test): New test.
654 * testsuite/Makefile.in: Regenerate.
655 * testsuite/searched_file_test.cc: New file.
656 * testsuite/searched_file_test_lib.cc: New file.
657
f3048a1d
ILT		 6582009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
659 Ian Lance Taylor <iant@google.com>
660
661 * descriptor.cc: Include <cstdio> and "binary-io.h".
662 (Descriptors::open): Open the files in binary mode always.
663 * script.cc (Lex::get_token): Treat \r as whitespace.
664
d4780e57
ILT		 6652009-10-09 Ian Lance Taylor <iant@google.com>
666
667 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
668
d9a893b8
ILT		 6692009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
670 Ian Lance Taylor <iant@google.com>
671
672 * configure.ac: Check for readv function also.
673 * fileread.cc (readv): Define if not HAVE_READV.
674 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
675 does not exist.
676 * config.in: Regenerate.
677 * configure: Regenerate.
678
c0a62865
DK		 6792009-10-09 Doug Kwan <dougkwan@google.com>
680
681 * layout.cc (Layout::make_output_section): Call target hook to make
682 ordinary output section.
683 (Layout::finalize): Adjust parameter list of call the
684 Target::may_relax().
685 * layout.h (class Layout::section_list): New method.
686 * merge.h (Output_merge_base::entsize): Change visibility to public.
687 (Output_merge_base::is_string, Output_merge_base::do_is_string):
688 New methods.
689 (Output_merge_string::do_is_string): New method.
690 * object.cc (Sized_relobj::do_setup): renamed from
691 Sized_relobj::set_up.
692 * object.h (Sized_relobj::adjust_shndx,
693 Sized_relobj::initializ_input_to_output_maps,
694 Sized_relobj::free_input_to_output_maps): Change visibilities to
695 protected.
696 (Sized_relobj::setup): Virtualize.
697 (Sized_relobj::do_setup): New method declaration.
698 (Sized_relobj::invalidate_section_offset,
699 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
700 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
701 * options.cc (parse_int): New function.
702 * options.h (parse_int): New declaration.
703 (DEFINE_int): New macro.
704 (stub_group_size): New option.
705 * output.cc (Output_section::Output_section): Initialize memebers
706 merge_section_map_, merge_section_by_properties_map_,
707 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
708 (Output_section::add_input_section): Handled deferred code-fill
709 generation and remove an old comment.
710 (Output_section::add_relaxed_input_section): New method definition.
711 (Output_section::add_merge_input_section): Use merge section by
712 properties map to speed to search. Update merge section maps
713 as appropriate.
714 (Output_section::build_relaxation_map): New method definition.
715 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
716 Same.
717 (Output_section::relax_input_section): Renamed to
718 Output_section::convert_input_sections_to_relaxed_sections and change
719 interface to take a vector of pointers to relaxed sections.
720 (Output_section::find_merge_section,
721 Output_section::find_relaxed_input_section): New method definitions.
722 (Output_section::is_input_address_mapped,
723 Output_section::output_offset, Output_section::output_address):
724 Use output section data maps to speed up searching.
725 (Output_section::find_starting_output_address): Add comments.
726 (Output_section::do_write,
727 Output_section::write_to_postprocessing_buffer): Do code-fill
728 generation as appropriate.
729 (Output_section::get_input_sections): Invalidate relaxed input section
730 map.
731 (Output_section::restore_states): Adjust type of checkpoint .
732 Invalidate relaxed input section map.
733 * output.h (Output_merge_base): New class declaration.
734 (Input_section_specifier): New class defintion.
735 (class Output_relaxed_input_section) Change base class to
736 Output_section_data_build.
737 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
738 base class initializer.
739 (Output_section::add_relaxed_input_section): New method declaration.
740 (Output_section::Input_section): Change visibility to protected.
741 (Output_section::Input_section::relobj,
742 Output_section::Input_section::shndx): Handle relaxed input sections.
743 Output_section::input_sections) Change visibility to protected. Also
744 define overload to return a non-const pointer.
745 (Output_section::Merge_section_properties): New class defintion.
746 (Output_section::Merge_section_by_properties_map,
747 Output_section::Output_section_data_by_input_section_map,
748 Output_section::Relaxation_map): New types.
749 (Output_section::relax_input_section): Rename method to
750 Output_section::convert_input_sections_to_relaxed_sections and change
751 interface to take a vector of relaxed section pointers.
752 (Output_section::find_merge_section,
753 Output_section::find_relaxed_input_section,
754 Output_section::build_relaxation_map,
755 Output_section::convert_input_sections_in_list_to_relaxed_sections):
756 New method declarations.
757 (Output_section::merge_section_map_
758 Output_section::merge_section_by_properties_map_,
759 Output_section::relaxed_input_section_map_,
760 Output_section::is_relaxed_input_section_map_valid_,
761 Output_section::generate_code_fills_at_write_): New data members.
762 * script-sections.cc
763 (Output_section_element_input::set_section_addresses): Call
764 current_data_size and addralign methods of relaxed input sections.
765 (Orphan_output_section::set_section_addresses): Call current_data_size
766 and addralign methods of relaxed input sections.
767 * symtab.cc (Symbol_table::compute_final_value): Extract template
768 from the body of Symbol_table::sized_finalize_symbol.
769 (Symbol_table::sized_finalized_symbol): Call
770 Symbol_table::compute_final_value.
771 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
772 (Symbol_table::compute_final_value): New templated method declaration.
773 * target.cc (Target::do_make_output_section): New method defintion.
774 * target.h (Target::make_output_section): New method declaration.
775 (Target::relax): Add more parameters for input objects, symbol table
776 and layout. Adjust call to do_relax.
777 (Target::do_make_output_section): New method declaration.
778 (Target::do_relax): Add parameters for input objects, symbol table
779 and layout.
780
d446d6c4
ILT		 7812009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
782
783 * pread.c: Include stdio.h.
784
bc06c745
ILT		 7852009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
786
787 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
788 defined.
789
75aea3d0
ILT		 7902009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
791
792 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
793 Change read_shndx type to unsigned int.
794 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
795 int.
796 (Sized_dwarf_line_info::read_line_mappings): Likewise.
797 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
798 Change read_shndx type to unsigned int.
799 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
800 int.
801 (Sized_dwarf_line_info::read_line_mappings): Likewise.
802 * layout.cc (Layout::create_symtab_sections): Cast the result of
803 local_symcount * symsize to off_t in the gold_assert.
804
be8fcb75
ILT		 8052009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
806
807 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
808 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
809 R_ARM_BASE_ABS.
810 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
811 (Arm_relocate_functions::thm_abs5): New function.
812 (Arm_relocate_functions::abs12): New function.
813 (Arm_relocate_functions::abs16): New function.
814 (Arm_relocate_functions::base_abs): New function.
815 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
816 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
817 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
818 R_ARM_BASE_ABS.
819 (Scan::global): Likewise.
820 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
821 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
822 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
823 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
824 R_ARM_BASE_ABS.
825
c2a122b6
ILT		 8262009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
827
828 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
829 (Arm_relocate_functions::movt_prel): New function.
830 (Arm_relocate_functions::thm_movw_prel_nc): New function.
831 (Arm_relocate_functions::thm_movt_prel): New function.
832 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
833 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
834 (Scan::global, Relocate::relocate): Likewise.
835 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
836
c4aa1e2d
ILT		 8372009-10-09 Mikolaj Zalewski <mikolajz@google.com>
838
839 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
840 Incremental_checker.
841 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
842 unsigned int.
843 (class Incremental_inputs_header): New class.
844 (Incremental_inputs_header_writer): Edit comment.
845 (Incremental_inputs_entry): New class.
846 (Incremental_inputs_entry_writer): Edit comment.
847 (Sized_incremental_binary::do_find_incremental_inputs_section):
848 Add *strtab_shndx parameter, fill it.
849 (Sized_incremental_binary::do_check_inputs): New method.
850 (Incremental_checker::can_incrementally_link_output_file): Use
851 Sized_incremental_binary::check_inputs.
852 (Incremental_inputs::report_command_line): Save command line in
853 command_line_.
854 * incremental.h:
855 (Incremental_binary::find_incremental_inputs_section): New
856 method.
857 (Incremental_binary::do_find_incremental_inputs_section): Add
858 strtab_shndx parameter.
859 (Incremental_binary::do_check_inputs): New pure virtual method.
860 (Sized_incremental_binary::do_check_inputs): Declare.
861 (Incremental_checker::Incremental_checker): Add incremental_inputs
862 parameter, use it to initialize incremental_inputs_.
863 (Incremental_checker::incremental_inputs_): New field.
864 (Incremental_checker::command_line): New method.
865 (Incremental_checker::inputs): New method.
866 (Incremental_checker::command_line_): New field.
867
c549a694
ILT		 8682009-10-09 Mikolaj Zalewski <mikolajz@google.com>
869
870 * incremental.cc: Include <cstdarg> and "target-select.h".
871 (vexplain_no_incremental): New function.
872 (explain_no_incremental): New function.
873 (Incremental_binary::error): New method.
874 (Sized_incremental_binary::do_find_incremental_inputs_section): New
875 method.
876 (make_sized_incremental_binary): New function.
877 (open_incremental_binary): New function.
878 (can_incrementally_link_file): Add checks if output is ELF and has
879 inputs section.
880 * incremental.h: Include "elfcpp_file.h" and "output.h".
881 (Incremental_binary): New class.
882 (Sized_incremental_binary): New class.
883 (open_incremental_binary): Declare.
884 * object.cc (is_elf_object): Use
885 elfcpp::Elf_recognizer::is_elf_file.
886 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
887 * output.h (Output_file::filesize): New method.
888
fd3c5f0b
ILT		 8892009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
890
891 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
892 New function.
893 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
894 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
895 function.
896 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
897 function.
898 (Arm_relocate_functions::movw_abs_nc): New function.
899 (Arm_relocate_functions::movt_abs): New function.
900 (Arm_relocate_functions::thm_movw_abs_nc): New function.
901 (Arm_relocate_functions::thm_movt_abs): New function.
902 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
903 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
904 (Scan::global): Likewise.
905 (Relocate::relocate): Likewise.
906 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
907
7f5309a5
ILT		 9082009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
909
910 * arm.cc (Arm_relocate_functions::got_prel) New function.
911 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
912 (Relocate::relocate): Likewise.
913 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
914
364c7fa5
ILT		 9152009-10-06 Ian Lance Taylor <iant@google.com>
916
917 * options.h (class General_options): Define
918 split_stack_adjust_size parameter.
919 * object.h (class Object): Add uses_split_stack_ and
920 has_no_split_stack_ fields. Add uses_split_stack and
921 has_no_split_stack accessor functions. Declare
922 handle_split_stack_section.
923 (class Reloc_symbol_changes): Define.
924 (class Sized_relobj): Define Function_offsets. Declare
925 split_stack_adjust, split_stack_adjust_reltype, and
926 find_functions.
927 * object.cc (Object::handle_split_stack_section): New function.
928 (Sized_relobj::do_layout): Call handle_split_stack_section.
929 * dynobj.cc (Sized_dynobj::do_layout): Call
930 handle_split_stack_section.
931 * reloc.cc (Sized_relobj::relocate_sections): Call
932 split_stack_adjust for executable sections in split_stack
933 objects. Pass reloc_map to relocate_section.
934 (Sized_relobj::split_stack_adjust): New function.
935 (Sized_relobj::split_stack_adjust_reltype): New function.
936 (Sized_relobj::find_functions): New function.
937 * target-reloc.h: Include "object.h".
938 (relocate_section): Add reloc_symbol_changes parameter. Change
939 all callers.
940 * target.h (class Target): Add calls_non_split method. Declare
941 do_calls_non_split virtual method. Declare match_view and
942 set_view_to_nop.
943 * target.cc: Include "elfcpp.h".
944 (Target::do_calls_non_split): New function.
945 (Target::match_view): New function.
946 (Target::set_view_to_nop): New function.
947 * gold.cc (queue_middle_tasks): Give an error if mixing
948 split-stack and non-split-stack objects with -r.
949 * i386.cc (Target_i386::relocate_section): Add
950 reloc_symbol_changes parameter.
951 (Target_i386::do_calls_non_split): New function.
952 * x86_64.cc (Target_x86_64::relocate_section): Add
953 reloc_symbol_changes parameter.
954 (Target_x86_64::do_calls_non_split): New function.
955 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
956 parameter.
957 * powerpc.cc (Target_powerpc::relocate_section): Add
958 reloc_symbol_changes parameter.
959 * sparc.cc (Target_sparc::relocate_section): Add
960 reloc_symbol_changes parameter.
961 * configure.ac: Call AM_CONDITIONAL for the default target.
962 * configure: Rebuild.
963 * testsuite/Makefile.am (TEST_AS): New variable.
964 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
965 (check_DATA): Add split_i386 and split_x86_64 files.
966 (SPLIT_DEFSYMS): Define.
967 (split_i386_[1234n].o): New targets.
968 (split_i386_[124]): New targets.
969 (split_i386_[1234r].stdout): New targets.
970 (split_x86_64_[1234n].o): New targets.
971 (split_x86_64_[124]): New targets.
972 (split_x86_64_[1234r].stdout): New targets.
973 (MOSTLYCLEANFILES): Add new executables.
974 * testsuite/split_i386.sh: New file.
975 * testsuite/split_x86_64.sh: New file.
976 * testsuite/split_i386_1.s: New file.
977 * testsuite/split_i386_2.s: New file.
978 * testsuite/split_i386_3.s: New file.
979 * testsuite/split_i386_4.s: New file.
980 * testsuite/split_i386_n.s: New file.
981 * testsuite/split_x86_64_1.s: New file.
982 * testsuite/split_x86_64_2.s: New file.
983 * testsuite/split_x86_64_3.s: New file.
984 * testsuite/split_x86_64_4.s: New file.
985 * testsuite/split_x86_64_n.s: New file.
986 * testsuite/testfile.cc (Target_test): Update relocation_section
987 function.
988 * testsuite/Makefile.in: Rebuild.
989
e8a9fcda
ILT		 9902009-10-06 Ian Lance Taylor <iant@google.com>
991
992 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
993 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
994 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
995 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
996 the address on ldo_addrs_.
997 (Target_i386::Relocate::fix_up_ldo): New function.
998
e99daf92
ILT		 9992009-10-06 Rafael Espindola <espindola@google.com>
1000
1001 * plugin.cc (add_input_library): New.
1002 (Plugin::load): Add add_input_library to tv.
1003 (Plugin_manager::add_input_file): Add the is_lib argument.
1004 (add_input_file): Update call to Plugin_manager::add_input_file.
1005 (add_input_library): New.
1006 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1007
966d4097
DK		 10082009-09-30 Doug Kwan <dougkwan@google.com>
1009
1010 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1011 symbol and call Symbol::may_need_copy_reloc to determine if
1012 a copy reloc is needed.
1013 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1014 nocopyreloc is given in command line.
1015 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1016 given in command line.
1017 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1018 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1019 of the removed Target_i386::may_need_copy_reloc.
1020 * options.h (copyreloc): New option with default value false.
1021 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1022 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1023 instead of the removed Target_powerpc::may_need_copy_reloc.
1024 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1025 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1026 instead of the removed Target_sparc::may_need_copy_reloc.
1027 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1028 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1029 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1030 instead of the removed Target_x86_64::may_need_copy_reloc.
1031
029ba973
ILT		 10322009-09-30 Ian Lance Taylor <iant@google.com>
1033
1034 * object.h (class Object): Remove target_ field, and target,
1035 sized_target, and set_target methods.
1036 (Object::sized_target): Remove.
1037 (class Sized_relobj): Update declarations. Remove sized_target.
1038 * object.cc (Sized_relobj::setup): Remove target parameter.
1039 Change all callers.
1040 (Input_objects::add_object): Don't do anything with the target.
1041 (make_elf_sized_object): Add punconfigured parameter. Change all
1042 callers. Set or test parameter target.
1043 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1044 Change all callers.
1045 * parameters.cc (Parameters::set_target): Change parameter type to
1046 be non-const.
1047 (Parameters::default_target): Remove.
1048 (set_parameters_target): Change parameter type to be non-const.
1049 (parameters_force_valid_target): New function.
1050 (parameters_clear_target): New function.
1051 * parameters.h (class Parameters): Update declarations. Remove
1052 default_target method. Add sized_target and clear_target
1053 methods. Change target_ to be non-const.
1054 (set_parameters_target): Update declaration.
1055 (parameters_force_valid_target): Declare.
1056 (parameters_clear_target): Declare.
1057 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1058 as NULL if we aren't searching.
1059 (Add_symbols::run): Don't check for compatible target.
1060 * fileread.cc (Input_file::open_binary): Call
1061 parameters_force_valid_target.
1062 * gold.cc (queue_middle_tasks): Likewise.
1063 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
1064 set_target on object.
1065 * dynobj.h (class Sized_dynobj): Update declarations.
1066 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1067 make_elf_object returns NULL.
1068 (Archive::include_member): Don't check whether object target is
1069 compatible.
1070 * output.cc (Output_section::add_input_section): Get target from
1071 parameters.
1072 (Output_section::relax_input_section): Likewise.
1073 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1074 parameters.
1075 (Sized_relobj::do_scan_relocs): Likewise.
1076 (Sized_relobj::relocate_sections): Likewise.
1077 * resolve.cc (Symbol_table::resolve): Likewise.
1078 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
1079 parameter. Change all callers.
1080 (Symbol_table::add_from_object): Get target from parameters.
1081 (Symbol_table::add_from_relobj): Don't check object target.
1082 (Symbol_table::add_from_dynobj): Likewise.
1083 (Symbol_table::define_special_symbol): Get target from
1084 parameters.
1085 * symtab.h (class Symbol_table): Update declaration.
1086 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1087 parameter. Change all callers. Clear parameter target.
1088 (Binary_test): Test target here.
1089 * testsuite/object_unittest.cc (gold_testsuite): Remove
1090 target_test_pointer parameter. Change all callers.
1091 (Object_test): Test target here.
1092
a6a22b83
ILT		 10932009-09-26 Ian Lance Taylor <iant@google.com>
1094
1095 * testsuite/initpri1.c: Don't try to use constructor priorities if
1096 compiling with gcc before 4.3.
1097
6a8f49fe
ILT		 10982009-09-22 Mikolaj Zalewski <mikolajz@google.com>
1099
1100 * testsuite/retain_symbols_file_test.sh (check_present): Change
1101 output file name to retain_symbols_file_test.stdout.
1102 (check_absent): Likewise.
1103
8c604651
CS		 11042009-09-18 Craig Silverstein <csilvers@google.com>
1105
1106 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1107 * options.cc: Include <cerrno> and <fstream>.
1108 (General_options::finalize): Parse -retain-symbols-file tag.
1109 * options.h: New flag.
1110 (General_options): New method should_retain_symbol, new
1111 variable symbols_to_retain.
1112 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1113 should_retain_symbol map.
1114 * testsuite/Makefile.am (retain_symbols_file_test): New test.
1115 * testsuite/Makefile.in: Regenerate.
1116 * testsuite/retain_symbols_file_test.sh: New file.
1117
ca58b19f
NC		 11182009-09-18 Nick Clifton <nickc@redhat.com>
1119
1120 * po/es.po: Updated Spanish translation.
1121
20e6d0d6
DK		 11222009-09-17 Doug Kwan <dougkwan@google.com>
1123
1124 * debug.h (DEBUG_RELAXATION): New constant.
1125 (DEBUG_ALL): Add DEBUG_RELAXATION.
1126 (debug_string_to_enum): Add relaxation debug option.
1127 * layout.cc
1128 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1129 Layout::Relaxation_debug_check::read_sections,
1130 Layout::Relaxation_debug_check::read_sections): New method definitions.
1131 (Layout::Layout): Initialize data members
1132 record_output_section_data_from_scrips_,
1133 script_output_section_data_list_ and relaxation_debug_check_.
1134 (Layout::save_segments, Layout::restore_segments,
1135 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1136 Layout::relaxation_loop_body): New method definitions.
1137 (Layout::finalize): Support relaxation. Move section layout code to
1138 Layout::relaxation_loop_body.
1139 (Layout::set_asection_address_from_script): Move code for orphan
1140 section placement out.
1141 (Layout::place_orphan_sections_in_script): New method definition.
1142 * layout.h (Output_segment_headers, Output_file_header):
1143 New forward class declarations.
1144 (Layout::~Layout): Define.
1145 (Layout::new_output_section_data_from_script): New method definition.
1146 (Layout::place_orphan_sections_in_script): New method declaration.
1147 (Layout::Segment_states): New type declaration.
1148 (Layout::save_segments, Layout::restore_segments,
1149 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1150 Layout::relaxation_loop_body): New method declarations.
1151 (Layout::Output_section_data_list): New type declaration.
1152 (Layout::Relaxation_debug_check): New class definition.
1153 (Layout::record_output_section_data_from_script_,
1154 Layout::script_output_section_data_list_, Layout::segment_states_,
1155 Layout::relaxation_debug_check_): New data members.
1156 * output.cc: (Output_section_headers::do_size): New method definition.
1157 (Output_section_headers::Output_section_headers): Move size
1158 computation to Output_section_headers::do_size.
1159 (Output_segment_headers::do_size): New method definition.
1160 (Output_file_header::Output_file_header): Move size computation to
1161 Output_file_header::do_size and call it.
1162 (Output_file_header::do_size): New method definition.
1163 (Output_data_group::Output_data_group): Adjust call to
1164 Output_section_data.
1165 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1166 (Output_symtab_xindex::do_write): Add array bound check.
1167 (Output_section::Input_section::print_to_mapfile): Handle
1168 RELAXED_INPUT_SECTION_CODE.
1169 (Output_section::Output_section): Initialize data member checkpoint_.
1170 (Output_section::~Output_section): Delete checkpoint object pointed
1171 by checkpoint_.
1172 (Output_section::add_input_section): Always add an Input_section if
1173 relaxing.
1174 (Output_section::add_merge_input_section): Add assert.
1175 (Output_section::relax_input_section): New method definition.
1176 (Output_section::set_final_data_size): Set load address to zero for
1177 an unallocated section.
1178 (Output_section::do_address_and_file_offset_have_reset_values):
1179 New method definition.
1180 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1181 Handle relaxed input section.
1182 (Output_section::sort_attached_input_sections): Checkpoint input
1183 section list lazily.
1184 (Output_section::get_input_sections): Change type of input_sections to
1185 list of Simple_input_section pointers. Checkpoint input section list
1186 lazily. Also handle relaxed input sections.
1187 (Output_section::add_input_section_for_script): Take a reference to
1188 a Simple_input_section object instead of Relobj pointer and section
1189 index as parameter. Handle relaxed input sections.
1190 (Output_section::save_states, Output_section::restore_states): New
1191 method definitions.
1192 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1193 (Output_data::is_data_size_fixed): New method definition.
1194 (Output_data::reset_addresss_and_file_offset): Do not reset data size
1195 if it is fixed.
1196 (Output_data::address_and_file_offset_have_reset_values): New method
1197 definition.
1198 (Output_data::do_address_and_file_offset_have_reset_values): New method
1199 definition.
1200 (Output_data::set_data_size): Check that data size is not fixed.
1201 (Output_data::fix_data_size): New method definition.
1202 (Output_data::is_data_size_fixed_): New data member.
1203 (Output_section_headers::set_final_data_size): New method definition.
1204 (Output_section_headers::do_size): New method declaration.
1205 (Output_segment_headers::set_final_data_size): New method definition.
1206 (Output_segment_headers::do_size): New method declaration.
1207 (Output_file_header::set_final_data_size)::New method definition.
1208 (Output_file_header::do_size)::New method declaration.
1209 (Output_section_data::Output_section_data): Add new parameter
1210 is_data_size_fixed and use it to fix data size.
1211 (Output_data_const::Output_data_const): Adjust call to base class
1212 constructor and fix data size.
1213 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1214 base class constructor and fix data size.
1215 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1216 base class constructor and fix data size.
1217 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1218 class constructor and fix data size.
1219 (Output_data_group::set_final_data_size): New method definition.
1220 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1221 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1222 class constructor and fix data size.
1223 (Output_relaxed_input_section): New class definition.
1224 (Output_section::Simple_input_section): New class definition.
1225 (Output_section::get_input_sections): Adjust parameter list.
1226 (Output_section::add_input_section_for_script): Same.
1227 (Output_section::save_states, Output_section::restore_states,
1228 Output_section::do_address_and_file_offset_have_reset_values,
1229 (Output_section::Input_section::Input_section): Handle
1230 RELAXED_INPUT_SECTION_CODE. Add new overload for
1231 Output_relaxed_input_section.
1232 (Output_section::Input_section::is_input_section,
1233 Output_section::Input_section::set_output_section): Handle relaxed
1234 input section.
1235 (Output_section::Input_section::is_relaxed_input_section,
1236 Output_section::Input_section::output_section_data,
1237 Output_section::Input_section::relaxed_input_section): New method
1238 definitions.
1239 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1240 value.
1241 (Output_section::Input_section::u1_): Update comments.
1242 (Output_section::Input_section::u2_): Add new union member poris.
1243 (Output_section::Checkpoint_output_section): New classs definition.
1244 (Output_section::relax_input_section): New method declaration.
1245 (Output_section::checkpoint_): New data member.
1246 (Output_segment): Update comments.
1247 (Output_segment::Output_segment): Un-privatize copy constructor.
1248 (Output_segment::operator=): Un-privatize.
1249 * script-sections.cc (Output_section_element::Input_section_list):
1250 Change element type to Output_section::Simple_input_section.
1251 (Output_section_element_dot_assignment::set_section_addresses):
1252 Register output section data for relaxation clean up.
1253 (Output_data_exression::Output_data_expression): Adjust call to base
1254 constructor to fix data size.
1255 (Output_section_element_data::set_section_addresses): Register
1256 Output_data_expression object for relaxation clean up.
1257 (struct Input_section_info): Replace Relobj pointer and section index
1258 pair with Output_section::Simple_input_section and Convert struct to a
1259 class.
1260 (Input_section_sorter::operator()): Adjust access to
1261 Input_section_info data member to use accessors.
1262 (Output_section_element_input::set_section_addresses): Use layout
1263 parameter. Adjust code to use Output_section::Simple_input_section
1264 and Input_secction_info classes. Register filler for relaxation
1265 clean up.
1266 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1267 and section index pair with Output_section::Simple_input_section
1268 class. Adjust code accordingly.
1269 (Phdrs_element::release_segment): New method definition.
1270 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1271 segment list.
1272 (Script_sections::release_segments): New method definition.
1273 * gold/script-sections.h (Script_sections::release_segments): New
1274 method declaration.
1275 * gold/target.h (Target::may_relax, Target::relax,
1276 Target::do_may_relax, Target::do_relax): New method definitions.
1277
5e445df6
ILT		 12782009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1279
1280 * arm.cc (has_signed_unsigned_overflow): New function.
1281 (Arm_relocate_functions::abs8): New function.
1282 (Target_arm::Scan::local): Handle R_ARM_ABS8.
1283 (Target_arm::Scan::global): Likewise.
1284 (Target_arm::relocate::relocate): Likewise.
1285 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1286 Likewise.
1287
8c604651 12882009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 1289
1290 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1291 * testsuite/Makefile.in: Regenerate.
1292
1e9cc1c2
NC		 12932009-09-11 Nick Clifton <nickc@redhat.com>
1294
1295 * po/gold.pot: Updated by the Translation project.
1296
6a89f575
CC		 12972009-09-08 Cary Coutant <ccoutant@google.com>
1298
1299 * output.cc (Output_file::open): Add execute permission to empty file.
1300 * testsuite/Makefile.am (permission_test): New test.
1301 * testsuite/Makefile.in: Regenerate.
1302
fdcac5af
ILT		 13032009-09-02 Ian Lance Taylor <iant@google.com>
1304
1305 * output.cc (Output_file::resize): Call map_no_anonymous rather
1306 than map.
1307
44453f85
ILT		 13082009-09-01 Mikolaj Zalewski <mikolajz@google.com>
1309
1310 * gold.cc: Include "incremental.h".
1311 (queue_initial_tasks): Call Incremental_checker methods.
1312 * incremental.cc: Include "output.h".
1313 (Incremental_checker::can_incrementally_link_output_file): New
1314 method.
1315 * incremental.h (Incremental_checker): New class.
1316
1317 * output.cc (Output_file::open_for_modification): New method.
1318 (Output_file::map_anonymous): Changed return type to bool. Record
1319 map in base_ field.
1320 (Output_file::map_no_anonymous): New method, broken out of map.
1321 (Output_file::map): Use map_no_anonymous and map_anonymous.
1322 * output.h (class Output_file): Update declarations.
1323
293c1386
CC		 13242009-08-24 Cary Coutant <ccoutant@google.com>
1325
1326 * options.h (Command_line::Pre_options): New class.
1327 (Command_line::pre_options): New member.
1328 * options.cc (gold::options::ready_to_register): New variable.
1329 (One_option::register_option): Do nothing if not registering options.
1330 Assert if same short option registered twice.
1331 (General_options::General_options): Turn off option registration when
1332 done constructing.
1333 (Command_line::Pre_options::Pre_options): New constructor.
1334
f773f3d2
CC		 13352009-08-24 Cary Coutant <ccoutant@google.com>
1336
06a73cfe
CC		 1337 * options.h (General_options::no_keep_memory): Remove incorrect
1338 short option.
f773f3d2 1339
a15af8e2
RW		 13402009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1341
1342 * Makefile.am (am__skiplex, am__skipyacc): New.
1343 * Makefile.in: Regenerate.
1344
c462b41b
RW		 13452009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1346
14ec8efd
RW		 1347 * Makefile.am (AM_CPPFLAGS): Renamed from ...
1348 (INCLUDES): ... this.
1349 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1350 (AM_CPPFLAGS): Renamed from ...
1351 (INCLUDE): ... this.
1352 * Makefile.in, testsuite/Makefile.in: Regenerate.
1353
81ecdfbb
RW		 1354 * Makefile.in: Regenerate.
1355 * aclocal.m4: Likewise.
1356 * config.in: Likewise.
1357 * configure: Likewise.
1358 * testsuite/Makefile.in: Likewise.
1359
c462b41b
RW		 1360 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1361 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1362 * Makefile.in: Regenerate.
1363 * testsuite/Makefile.in: Regenerate.
1364
2da73f13
CC		 13652009-08-19 Cary Coutant <ccoutant@google.com>
1366
1367 * resolve.cc (Symbol_table::resolve): Don't complain about defined
1368 symbols in shared libraries overridden by hidden or internal symbols
1369 in the main program.
1370
2db70501
CD		 13712009-08-19 Chris Demetriou <cgd@google.com>
1372
1373 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1374 checking source file names in error messages.
1375
f733487b
DK		 13762009-08-18 Doug Kwan <dougkwan@google.com>
1377
1378 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1379 an elcpp::Ehdr as parameter. Adjust call to set_target.
1380 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1381 an elfcpp::Ehdr as parameter.
1382 * object.cc (Object::set_target): Remove the version that looks up
1383 a target and sets it.
1384 (Sized_relobj::setup): Take a Target object instead of
1385 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1386 (make_elf_sized_object): Find target and ask target to
1387 make an ELF object.
1388 * object.h: (Object::set_target): Remove the version that looks up
1389 a target and sets it.
1390 (Sized_relobj::setup): Take a Target object instead of
1391 an elfcpp:Ehdr as parameter.
1392 * target.cc: Include dynobj.h.
1393 (Target::do_make_elf_object_implementation): New.
1394 (Target::do_make_elf_object): New.
1395 * target.h (Target::make_elf_object): New template declaration.
1396 (Target::do_make_elf_object): New method declarations.
1397 (Target::do_make_elf_object_implementation): New template declaration.
1398
cc70f101
ILT		 13992009-08-14 Ian Lance Taylor <iant@google.com>
1400
1401 * gold.h (FUNCTION_NAME): Define.
1402 (gold_unreachable): Use FUNCTION_NAME.
1403
ef5e0cb1
ST		 14042009-08-12 Sriraman Tallam <tmsriram@google.com>
1405
1406 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1407 symbol in the --keep-unique list is not found.
1408
48c187ce
ST		 14092009-08-12 Sriraman Tallam <tmsriram@google.com>
1410
1411 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1412 been maked as --keep-unique.
1413 (Icf::unfold_section): New function.
1414 * icf.h (Icf::unfold_section): New function.
1415 * options.h (General_options::keep_unique): New option.
1416 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1417 * testsuite/Makefile.in: Regenerate.
1418 * testsuite/icf_keep_unique_test.sh: New file.
1419 * testsuite/icf_keep_unique_test.cc: New file.
1420
645afe0c
CC		 14212009-08-12 Cary Coutant <ccoutant@google.com>
1422
1423 PR 10471
1424 * resolve.cc (Symbol_table::resolve): Check for references from
1425 dynamic objects to hidden and internal symbols.
1426 * testsuite/Makefile.am (hidden_test.sh): New test.
1427 * testsuite/Makefile.in: Regenerate.
1428 * testsuite/hidden_test.sh: New script.
1429 * testsuite/hidden_test_1.c: New test source.
1430 * testsuite/hidden_test_main.c: New test source.
1431
11af873f
DK		 14322009-08-11 Doug Kwan <dougkwan@google.com>
1433
1434 * arm.cc: Update comments.
1435 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1436 segment to locate the .ARM.exidx section if present.
1437
b9f7d72d
DK		 14382009-08-09 Doug Kwan <dougkwan@google.com>
1439
1440 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1441 patch.
1442
ddd3c53c
ST		 14432009-08-07 Sriraman Tallam <tmsriram@google.com>
1444 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1445 compiler warnings.
1446
27721062
ST		 14472009-08-06 Sriraman Tallam <tmsriram@google.com>
1448
1449 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1450 valid tls_segment only for non-debug-section relocations.
1451 * testsuite/Makefile.am: Add gc_tls_test.
1452 * testsuite/Makefile.in: Regenerate.
1453 * testsuite/gc_tls_test.cc: New file.
1454 * testsuite/gc_tls_test.sh: New file.
1455
ef15dade
ST		 14562009-08-05 Sriraman Tallam <tmsriram@google.com>
1457
1458 * icf.cc: New file.
1459 * icf.h: New file.
1460 * Makefile.am (CCFILES): Add icf.cc.
1461 (HFILES): Add icf.h
1462 * Makefile.in: Regenerate.
1463 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1464 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1465 section, symbol and addend information for the relocs.
1466 * gold.cc (queue_middle_tasks): Call identical code folding.
1467 * gold.h: Add defines for multimap.
1468 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1469 to the call of finalize_local_symbols.
1470 * main.cc (main): Create object of class Icf.
1471 * object.cc (Sized_relobj::do_layout): Allow this function to be
1472 called twice during icf.
1473 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1474 to sections marked as identical by icf.
1475 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1476 when available.
1477 (Sized_relobj::do_section_entsize): New function.
1478 * object.h (Object::section_entsize): New function.
1479 (Object::do_section_entsize): New pure virtual function.
1480 (Relobj::finalize_local_symbols): Add new parameter.
1481 (Relobj::do_section_entsize): New function.
1482 * options.h (General_options::icf): New option.
1483 (General_options::icf_iterations): New option.
1484 (General_options::print_icf_sections): New option.
1485 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1486 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1487 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1488 icf.
1489 * symtab.cc (Symbol_table::is_section_folded): New function.
1490 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1491 to sections marked as identical by icf.
1492 * symtab.h (Symbol_table::set_icf): New function.
1493 (Symbol_table::icf): New function.
1494 (Symbol_table::is_section_folded): New function.
1495 (Symbol_table::icf_): New data member.
1496 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1497 * testsuite/Makefile.am: Add commands to build icf_test.
1498 * testsuite/Makefile.in: Regenerate.
1499 * testsuite/icf_test.sh: New file.
1500 * testsuite/icf_test.cc: New file.
1501
c3b65ac4
CD		 15022009-07-24 Chris Demetriou <cgd@google.com>
1503
1504 * layout.cc (is_compressible_debug_section): Fix incorrect
1505 comment about compressed section names.
1506
1caf2c51
ILT		 15072009-07-20 Ian Lance Taylor <ian@airs.com>
1508
1509 PR 10419
1510 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1511
1ef4d87f
ILT		 15122009-07-16 Ian Lance Taylor <iant@google.com>
1513
1514 PR 10400
1515 * layout.h: #include <map>.
1516 (class Kept_section): Change from struct to class. Add accessors
1517 and setters. Add section size to Comdat_group mapping. Change
1518 Comdat_group to std::map. Add is_comdat_ field. Add
1519 linkonce_size field in union.
1520 (class Layout): Update declaration of find_or_add_kept_section.
1521 Don't declare find_kept_object.
1522 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1523 parameter. Add object, shndx, is_comdat, and is_group_name
1524 parameters. Change all callers. Adjust for new Kept_section.
1525 (Layout::find_kept_object): Remove.
1526 * object.cc (Sized_relobj::include_section_group): Update use of
1527 Kept_section. Rename secnum to shndx. Only record
1528 Kept_comdat_section if sections are the same size.
1529 (Sized_relobj::include_linkonce_section): Update use of
1530 Kept_section. Only record Kept_comdat_section if sections are the
1531 same size. Set size of linkonce section.
1532 (Sized_relobj::map_to_kept_section): Update call to
1533 get_kept_comdat_section.
1534 * object.h (class Sized_relobj): Rename fields in
1535 Kept_comdat_section to drop trailing underscores; change object
1536 field to Relobj*. Change Kept_comdat_section_table to store
1537 struct rather than pointer.
1538 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1539 Add kept_object and kept_shndx parameters. Change all callers.
1540 (Sized_relobj::get_kept_comdat_section): Change return type to
1541 bool. Add kept_object and kept_shndx parameters. Change all
1542 callers.
1543 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1544 Layout::find_or_add_kept_section.
1545
37c3b7b0
ILT		 15462009-07-09 Ian Lance Taylor <iant@google.com>
1547
1548 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1549 Reserve space in the hash table.
1550
98fa85cb
ILT		 15512009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1552
1553 * fileread.cc (File_read::get_mtime): New method.
1554 * fileread.h (Timespec): New structure.
1555 (File_read::get_mtime): New method.
1556 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1557 Renamed from timestamp_nsec.
1558 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1559 Elf_Xword.
1560 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1561 timestamp_nsec.
1562 (Incremental_inputs::report_archive): Save mtime; style fix.
1563 (Incremental_inputs::report_obejct): Save mtime; style fix.
1564 (Incremental_inputs::report_script): Save mtime; style fix.
1565 (Incremental_inputs::finalize_inputs): Style fix.
1566 (Incremental_inputs::finalize): Style fix.
1567 (Incremental_inputs::create_input_section_data): Store inputs
1568 mtime.
1569 * incremental.h (Incremental_inputs::report_script): Add mtime
1570 argument.
1571 (Incremental_inputs::Input_info::Input_info): Intialize only one
1572 union member.
1573 (Incremental_inputs::Input_info::archive): Move to nameless
1574 union.
1575 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1576 (Incremental_inputs::Input_info::script): Move to nameless union.
1577 (Incremental_inputs::mtime): New field.
1578 * script.cc (read_input_script): Pass file mtime to
1579 Incremental_input.
1580 * script.h (Script_info::inputs): Style fix.
1581
c9d70757
ILT		 15822009-07-01 Ian Lance Taylor <ian@airs.com>
1583
1584 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1585 instead of 32.
1586
9c547ec3
ILT		 15872009-06-24 Ian Lance Taylor <iant@google.com>
1588
1589 PR 10156
1590 * layout.cc (Layout::choose_output_section): If we find an
1591 existing section, update the flags.
1592 (Layout::create_notes): New function, broken out of
1593 Layout::finalize.
1594 (Layout::finalize): Don't create note sections.
1595 (Layout::create_note): Don't crash if linker script discards
1596 section.
1597 (Layout::create_gold_note): Likewise.
1598 (Layout::create_build_id): Likewise. Don't set
1599 after_input_sections on the section.
1600 (Layout::create_executable_stack_info): Remove target parameter.
1601 Change caller.
1602 * layout.h (class Layout): Declare create_notes. Update
1603 declaration of create_executable_stack_info.
1604 * gold.cc (queue_middle_tasks): Call create_notes.
1605 * output.cc (Output_section::update_flags_for_input_section): Move
1606 here from output.h. If SHF_ALLOC flag is newly set, mark address
1607 invalid.
1608 * output.h (Output_data::mark_address_invalid): New function.
1609 (class Output_section): Only declare, not define,
1610 update_flags_for_input_section. Remove set_flags.
1611
55458500
ILT		 16122009-06-24 Ian Lance Taylor <iant@google.com>
1613
1614 * script-sections.cc (Output_section_definition::
1615 set_section_addresses): Rename shadowing local load_address to
1616 laddr.
1617
1307d6cd
ILT		 16182009-06-24 Ian Lance Taylor <iant@google.com>
1619
1620 PR 10244
1621 * reloc.cc (relocate_sections): Skip empty relocation sections.
1622
ec3f783e
ILT		 16232009-06-23 Ian Lance Taylor <iant@google.com>
1624
1625 PR 10156
1626 * layout.cc (Layout::create_note): Use choose_output_section
1627 rather than make_output_section.
1628
459c9f1c
ILT		 16292009-06-23 Ian Lance Taylor <iant@google.com>
1630
1631 PR 10237
1632 * options.cc (General_options::parse_V): Set printed_version_.
1633 (General_options::General_options): Initialize printed_version_.
1634 * options.h (class General_options): Add printed_version_ field.
1635 * gold.cc (queue_initial_tasks): If there are no input files,
1636 don't give a fatal error if we printed the version information.
1637 (queue_middle_tasks): If using -r with a shared object, give a
1638 fatal error rather than an ordinary error.
1639
1518dc8f
ILT		 16402009-06-23 Ian Lance Taylor <iant@google.com>
1641
1642 PR 10219
1643 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1644 (Layout::make_output_section): Set have_stabstr_section_ if we see
1645 a .stab*str section.
1646 (Layout::finalize): Call link_stabs_sections.
1647 (Layout::link_stabs_sections): New file.
1648 * layout.h (class Layout): Add have_stabstr_section_ field.
1649 Declare link_stabs_sections.
1650
3d857b98
DK		 16512009-06-23 Doug Kwan <dougkwan@google.com>
1652
1653 * Makefile.am (libgold_a_LIBADD): New.
1654 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1655 * Makefile.in: Regenerate.
1656 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1657 * configure: Regenerate.
1658 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1659 * fileread.cc: Include sys/state.h
1660 * gold.h: Declare memmem and strndup if found missing.
1661 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1662
0639a6f6
ILT		 16632009-06-23 Ian Lance Taylor <iant@google.com>
1664
1665 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1666 * configure: Rebuild.
1667
8d63875c
ILT		 16682009-06-23 Ian Lance Taylor <iant@google.com>
1669
1670 PR 10147
1671 * object.cc (Object::section_contents): Don't try to get a view if
1672 the section has length zero.
1673 (Object::handle_gnu_warning_section): If the section is empty, use
1674 the name of the section as the warning.
1675
f7c8a183
ILT		 16762009-06-23 Ian Lance Taylor <iant@google.com>
1677
1678 PR 10133
1679 * stringpool.h (class Stringpool_template): Add optimize_ field.
1680 (Stringpool_template::set_optimize): New function.
1681 * stringpool.cc (Stringpool_template::Stringpool_template):
1682 Initialize optimize_ field.
1683 (Stringpool_template::set_string_offsets): Test local optimize
1684 fild rather than parameter.
1685 * layout.cc (Layout::Layout): Call set_optimize on the section
1686 name stringpool.
1687
e6a307ba
ILT		 16882009-06-22 Ian Lance Taylor <iant@google.com>
1689
1690 PR 10030
1691 * yyscript.y: Parse TARGET.
1692 * script.cc (script_set_target): New function.
1693 * script-c.h (script_set_target): Declare.
1694 * options.cc (General_options::string_to_object_format): Rename
1695 from string_to_object_format in anonymous namespace. Change
1696 callers.
1697 * options.h (class General_options): Declare
1698 string_to_object_format.
1699
3ee173de
ILT		 17002009-06-22 Ian Lance Taylor <iant@google.com>
1701
1702 * script-sections.cc (Script_sections::create_segments): Don't put
1703 program headers in a PT_LOAD segment if -n or -N.
1704
17052009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 1706
1707 PR 10141
1708 * options.h (class General_options): Add -z lazy and -z now. Sort
1709 -z options into alphabetical order.
1710 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1711
cd6739a1 17122009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 1713
1714 * layout.cc (Layout::make_output_section): Call
1715 Target::new_output_section.
1716 (Layout::attach_allocated_section_to_segment): Put large section
1717 sections in a separate load segment with the large segment flag
1718 set.
1719 (Layout::segment_precedes): Sort large data segments after other
1720 load segments.
1721 (align_file_offset): New static function.
1722 (Layout::set_segment_offsets): Use align_file_offset.
1723 * output.h (class Output_section): Add is_small_section_ and
1724 is_large_section_ fields.
1725 (Output_section::is_small_section): New function.
1726 (Output_section::set_is_small_section): New function.
1727 (Output_section::is_large_section): New function.
1728 (Output_section::set_is_large_section): New function.
1729 (Output_section::is_large_data_section): New function.
1730 (class Output_segment): Add is_large_data_segment_ field.
1731 (Output_segment::is_large_data_segment): New function.
1732 (Output_segment::set_is_large_data_segment): New function.
1733 * output.cc (Output_section::Output_section): Initialize new
1734 fields.
1735 (Output_segment::Output_segment): Likewise.
1736 (Output_segment::add_output_section): Add assertion that large
1737 data sections always go in large data segments. Force small data
1738 sections to the end of the list of data sections. Force small BSS
1739 sections to the start of the list of BSS sections. For large BSS
1740 sections to the end of the list of BSS sections.
1741 * symtab.h (class Symbol): Declare is_common_shndx.
1742 (Symbol::is_defined): Check Symbol::is_common_shndx.
1743 (Symbol::is_common): Likewise.
1744 (class Symbol_table): Define enum Commons_section_type. Update
1745 declarations. Add small_commons_ and large_commons_ fields.
1746 * symtab.cc (Symbol::is_common_shndx): New function.
1747 (Symbol_table::Symbol_table): Initialize new fields.
1748 (Symbol_table::add_from_object): Put small and large common
1749 symbols in the right list.
1750 (Symbol_table::sized_finalized_symbol): Check
1751 Symbol::is_common_shndx.
1752 (Symbol_table::sized_write_globals): Likewise.
1753 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1754 common symbol lists. Don't call do_allocate_commons_list if the
1755 list is empty.
1756 (Symbol_table::do_allocate_commons_list): Remove is_tls
1757 parameter. Add comons_section_type parameter. Change all
1758 callers. Handle small and large common symbols.
1759 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1760 Symbol::is_common_shndx.
1761 * resolve.cc (symbol_to_bits): Likewise.
1762 * target.h (Target::small_common_shndx): New function.
1763 (Target::small_common_section_flags): New function.
1764 (Target::large_common_shndx): New function.
1765 (Target::large_common_section_flags): New function.
1766 (Target::new_output_section): New function.
1767 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1768 small_common_section_flags, and large_common_section_flags
1769 fields.
1770 (Target::do_new_output_section): New virtual function.
1771 * arm.cc (Target_arm::arm_info): Initialize new fields.
1772 * i386.cc (Target_i386::i386_info): Likewise.
1773 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1774 Likewise.
1775 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1776 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1777 (Target_x86_64::do_new_output_section): New function.
1778 * configure.ac: Define conditional MCMODEL_MEDIUM.
1779 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1780 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1781 (large_LDFLAGS): Define.
1782 * testsuite/large.c: New file.
1783 * testsuite/testfile.cc (Target_test::test_target_info):
1784 Initialize new fields.
1785 * configure, testsuite/Makefile.in: Rebuild.
1786
bb04269c
DK		 17872009-06-05 Doug Kwan <dougkwan@google.com>
1788
1789 * Makefile.am (CCFILES): Add target.cc.
1790 * Makefile.in: Regenerate.
1791 * i386.cc (class Target_i386): Define new virtual method to
1792 override do_is_local_label_name in parent.
1793 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1794 local symbols if --discard-locals or -X is given.
1795 * options.h (class General_options): Declare new options
1796 '--discard-locals' and '-X' for discarding locals.
1797 * target.h (class Target): Define new methods is_local_label_name.
1798 Declare new virtual method do_is_local_label_name.
1799 * target.cc: New file.
1800 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1801 (check_SCRIPTS): Add discard_locals_test.sh.
1802 (check_DATA): Add discard_local_tests.syms.
1803 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1804 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1805 * testsuite/Makefile.in: Regenerate.
1806 * testsuite/discard_locals_test.c: New file.
1807 * testsuite/discard_locals_test.sh: Same.
1808
805bb01c
DK		 18092009-06-05 Doug Kwan <dougkwan@google.com>
1810
1811 * object.cc (Sized_relobj::Sized_relobj): Initialize
1812 discarded_eh_frame_shndx_ to -1U.
1813 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1814 section.
1815 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1816 a discarded .eh_frame section.
1817 (Sized_relobj::do_finalize_local_symbols): Ditto.
1818 * object.h (class Sized_relobj): Declare new member
1819 discarded_eh_frame_shndx_.
1820 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1821 (local_labels_test.o, local_labels_test): New rules.
1822 * testsuite/Makefile.in: Regenerate.
1823
1dcd334d
DK		 18242009-06-04 Doug Kwan <dougkwan@google.com>
1825
1826 * layout.cc (Layout::section_name_mapping): Add mapping for
1827 special ARM sections.
1828
96d49306
DK		 18292009-06-03 Doug Kwan <dougkwan@google.com>
1830
1831 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1832 (utils::has_overflow): Same.
1833
dff16297
ILT		 18342009-06-03 Ian Lance Taylor <iant@google.com>
1835
1836 * layout.cc (Layout::section_name_mapping): New array, replacing
1837 Layout::linkonce_mapping.
1838 (Layout::section_name_mapping_count): New variable, replacing
1839 Layout::linkonce_mapping_count.
1840 (Layout::linkonce_output_name): Remove.
1841 (Layout::output_section_name): Rewrite.
1842 * layout.h (class Layout): Rename Linkonce_mapping to
1843 Section_name_mapping, linkonce_mapping to section_name_mapping,
1844 linkonce_mapping_count to section_name_mapping_count. Don't
1845 declare linkonce_output_name.
1846
c121c671
DK		 18472009-06-03 Doug Kwan <dougkwan@google.com>
1848
1849 * gold/arm.cc (namespace utils): New.
1850 (Target_arm::reloc_is_non_pic): Define new method.
1851 (class Arm_relocate_functions): New.
1852 (Target_arm::Relocate::relocate): Handle relocation types used by
1853 Android.
1854
07800fab
ILT		 18552009-06-03 Ian Lance Taylor <iant@google.com>
1856
1857 * arm.cc (Target_arm::scan::global): Use || instead of |.
1858
c121c671
DK		 18592009-06-02 Doug Kwan <dougkwan@google.com>
1860
1861 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1862 issued_non_pic_error_.
1863 (class Target_arm::Scan): Declare new method check_non_pic.
1864 Define new method symbol_needs_plt_entry.
1865 Declare new data member issued_non_pic_error_.
1866 (class Target_arm::Relocate): Declare new method
1867 should_apply_static_reloc.
1868 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1869 (Target_arm::Scan::check_non_pic): Define new method.
1870 (Target_arm::Scan::local): Handle a small subset of reloc types used
1871 by Android.
1872 (Target_arm::Scan::local): Same.
1873 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1874
b19b0c6d
ILT		 18752009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1876
1877 * incremental.cc (Incremental_inputs::report_command_line): Filter
1878 out --incremental-* options.
1879
94cdfcff
DK		 18802009-05-29 Doug Kwan <dougkwan@google.com>
1881
1882 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1883 template class.
1884 (class Target_arm): Update comment.
1885 (Target_arm::Target_arm): Initialize new data members GOT_,
1886 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1887 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1888 and Target_arm::rel_dyn_section.
1889 Declare new_enum Target_arm::Got_type.
1890 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1891 and DYNBSS_.
1892 Update commments for member do_dynsym_value.
1893 (Target_arm::got_size, Target_arm::plt_section,
1894 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1895 new methods inside class defintion.
1896 (Target_arm::got_section): Define new method.
1897 (Target_arm::rel_dyn_section): Same.
1898 (Output_data_plt_arm): New template class.
1899 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1900 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1901 (Output_data_plt_arm::add_entry): Same.
1902 (Output_data_plt_arm::first_plt_entry): Define new
1903 static data member for PLT instruction template.
1904 (Output_data_plt_arm::plt_entry): Same.
1905 (Output_data_plt_arm::do_write): Define new method.
1906 (Target_arm::make_plt_entry): Same.
1907 (Target_arm::do_finalize_sections): Same.
1908 (Target_arm::do_dynsym_value): Same.
1909
4a657b0d
DK		 19102009-05-28 Doug Kwan <dougkwan@google.com>
1911
1912 * Makefile.am (TARGETSOURCES): Add arm.cc.
1913 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1914 * Makefile.in: Regenerate.
1915 * arm.cc: New file.
1916 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1917
e7ae8c36
DK		 19182009-05-26 Doug Kwan <dougkwan@google.com>
1919
1920 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1921 (General_options::check_excluded_libs): Strip off directories in
1922 archive name before matching like GNU ld does.
1923 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1924 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1925 (exclude_libs_test_LDFLAGS): Add linker option
1926 -Wl,--exclude-libs,libexclude_libs_test_3
1927 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1928 an explicit archive without using -l.
1929 (alt/libexclude_libs_test_3.a): New make rule.
1930 * testsuite/Makefile.in: Regenerate.
1931 * testsuite/exclude_libs_test.c : Declare lib3_default().
1932 (main): Call it.
1933 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1934 * exclude_libs_test_3.c: New file.
1935
f12e7348
NC		 19362009-05-26 Nick Clifton <nickc@redhat.com>
1937
1938 * po/id.po: New Indonesian translation.
1939 * po/gold.pot: Updated template file.
1940
4daadc0d
ST		 19412009-05-22 Sriraman Tallam <tmsriram@google.com>
1942
1943 * testsuite/Makefile.am: Add -ffunction-sections to compile
1944 gc_comdat_test files. Add -Wl,--gc-sections to build
1945 gc_comdat_test.
1946 * testsuite/Makefile.in: Regenerate.
1947 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1948
531813ad
ST		 19492009-05-21 Sriraman Tallam <tmsriram@google.com>
1950
1951 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1952 kept comdat section was garbage collected.
1953 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1954 * testsuite/Makefile.in: Regenerate.
1955 * testsuite/gc_comdat_test.sh: New file.
1956 * testsuite/gc_comdat_test_1.cc: New file.
1957 * testsuite/gc_comdat_test_2.cc: New file.
1958
65514900
CC		 19592009-05-19 Doug Kwan <dougkwan@google.com>
1960
1961 * archive.cc (Archive::Archive): Move constructor from archive.h
1962 to here. Initialize no_export_.
1963 (Archive::get_elf_object_for_member): Set no_export flag of object.
1964 * archive.h (Archive::Archive): Move constructor body to
1965 archive.cc.
1966 (Archive::no_export): New method.
1967 (Archive::no_export_): New field.
1968 * object.h (Object::Object): Initialize no_export_ to false.
1969 (Object::no_export, Object::set_no_export): New methods.
1970 (Object::no_export_): New field.
1971 * options.cc (General_options::parse_exclude_libs): New method.
1972 (General_options::check_excluded_libs) Same.
1973 * options.h (exclude_libs): New option.
1974 (General_options::check_excluded_libs): New method declaration.
1975 (General_options::excluded_libs_): New field.
1976 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1977 default or protected visibility if an object has no-export flag set.
1978 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1979 (check_SCRIPTS): Add exclude_libs_test.sh.
1980 (check_DATA): Add exclude_libs_test.syms.
1981 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1982 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1983 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1984 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1985 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1986 libexclude_libs_test_2.a): New rules.
1987 * testsuite/Makefile.in: Regenerate.
1988 * testsuite/exclude_libs_test.c: New file.
1989 * testsuite/exclude_libs_test.sh: Ditto.
1990 * testsuite/exclude_libs_test_1.c: Ditto.
1991 * testsuite/exclude_libs_test_2.c: Ditto.
1992
1b77ea50
ILT		 19932009-05-15 Ian Lance Taylor <iant@google.com>
1994
1995 * configure.ac: Check for declarations for cases where libiberty.h
1996 checks HAVE_DECL_xxx.
1997 * configure, config.in: Rebuild.
1998
072fe7ce
ILT		 19992009-05-15 Mikolaj Zalewski <mikolajz@google.com>
2000
2001 * gold.h (Incremental_argument_list): Remove (invalid) forward
2002 declaration.
2003 * incremental.cc (Incremental_inputs::report_achive): New method.
2004 (Incremental_inputs::report_object): New method.
2005 (Incremental_inputs::report_script): New method.
2006 (Incremental_inputs::finalize_inputs): New method.
2007 (Incremental_inputs::finalize): Call finalize_inputs().
2008 (Incremental_inputs::sized_create_incremental_inputs_section_data):
2009 Create inputs entries.
2010 * incremental.h (Incremental_input_type): New enum.
2011 (Incremental_inputs::Incremental_input): Initialize new fields.
2012 (Incremental_inputs::report_inputs): New method.
2013 (Incremental_inputs::report_achive): New method.
2014 (Incremental_inputs::report_object): New method.
2015 (Incremental_inputs::report_script): New method.
2016 (Incremental_inputs::finalize_inputs): New method.
2017 (Incremental_inputs::Input_info): New struct.
2018 (Incremental_inputs::Input_info_map): New typedef.
2019 (Incremental_inputs::lock_): New field.
2020 (Incremental_inputs::Inputs_): New field.
2021 (Incremental_inputs::Inputs_map): New field.
2022 * main.cc (main): Call Incremental_input::report_inputs.
2023 * options.h (Input_argument_list): Typedef moved from
2024 Input_arguments.
2025 (Input_file_group::Files): Remove, use ::Input_argument_list.
2026 (Input_file_group::Input_argument_list): Remove, use
2027 ::Input_argument_list.
2028 * plugin.cc (Plugin_manager::add_input_file): Add error in
2029 incremental build.
2030 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2031 functions.
2032 * script.cc (read_input_script): Call
2033 Incremental_input::report_script.
2034 * script.h (Script_info): New class.
2035
b0481b0b
ILT		 20362009-04-27 Ian Lance Taylor <iant@google.com>
2037
2038 * x86_64.cc (do_adjust_output_section): Set entsize to
2039 plt_entry_size.
2040
b22a5a41 20412009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 2042
2043 * output.cc (Output_file::close): After short writes, continue
2044 writing from the correct offset in the buffer being written.
2045
40fde488
CD		 20462009-04-23 Chris Demetriou <cgd@google.com>
2047
2048 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2049 * configure: Regenerate.
2050 * config.in: Regenerate.
2051 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2052 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2053
3ce2c28e
ILT		 20542009-04-21 Mikolaj Zalewski <mikolajz@google.com>
2055
2056 * incremental.cc (Incremental_inputs_header_data): Renamed from
2057 Incremental_input_header_data.
2058 (Incremental_inputs_header_data::data_size): New field.
2059 (Incremental_inputs_header_data::put_input_file_count): Renamed
2060 from input_file_count.
2061 (Incremental_inputs_header_data::put_command_line_offset): Renamed
2062 from command_line_offset.
2063 (Incremental_inputs_header_data::put_reserved): Renamed from
2064 put_reserved.
2065 (Incremental_inputs_entry_data): Renamed from
2066 Incremental_input_entry_data.
2067 (Incremental_inputs_entry_data::data_size): New field.
2068 (Incremental_inputs::report_command_line): New method.
2069 (Incremental_inputs::finalize): New method.
2070 (Incremental_inputs::create_incremental_inputs_data): New method.
2071 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2072 * incremental.h: New file.
2073 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2074 (Layout::finalize): Create incremental inputs section in
2075 incremental builds.
2076 (Layout::create_incremental_info_sections): New method.
2077 * layout.h (Layout::incremental_inputs): New method.
2078 (Layout::create_incremental_info_sections): New method.
2079 (Layout::incremental_inputs_): New field.
2080 * main.cc (main): Notify Incremental_input of the command line.
2081
e55bde5e
ILT		 20822009-04-01 Ian Lance Taylor <iant@google.com>
2083 Mikolaj Zalewski <mikolajz@google.com>
2084
2085 * gold.h (reserve_unordered_map): Define, three versions, one for
2086 each version of Unordered_map.
2087 * layout.cc (Layout::Layout): Remove options parameter. Add
2088 number_of_input_files parameter. Don't initialize options_.
2089 Initialize number_of_input_files_ and resized_signatures_. Move
2090 sections_are_attached_.
2091 (Layout::layout_group): Reserve space for group_signatures_.
2092 (Layout::find_or_add_kept_section): Change name parameter to be a
2093 reference. Resize signatures_ map when it gets large enough.
2094 (Layout::layout_eh_frame): Use parameters->options() instead of
2095 this->options_.
2096 (Layout::make_output_section): Likewise.
2097 (Layout::attach_allocated_section_to_segment): Likewise.
2098 (Layout::finalize, Layout::create_executable_stack): Likewise.
2099 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2100 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2101 * layout.h (class Layout): Update declarations. Remove options_
2102 field. Add number_of_input_files_ and resized_signatures_
2103 fields. Move sections_are_attached_ field.
2104 * main.cc (main): Pass number of input files to Layout
2105 constructor. Don't pass options.
2106
154b857c
ILT		 21072009-03-30 Ian Lance Taylor <iant@google.com>
2108
2109 * ffsll.c (ffsll): Correct implementation.
2110
2f35ab9b
ILT		 21112009-03-27 Ian Lance Taylor <iant@google.com>
2112
fd03461a
ILT		 2113 * ffsll.c: New file.
2114 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2115 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2116 * ftruncate.c (ftruncate): Declare before definition.
2117 * mremap.c (mremap): Likewise.
2118 * pread.c (pread): Likewise.
2119 * configure, Makefile.in, config.in: Rebuild.
2120
2f35ab9b
ILT		 2121 * mremap.c: New file.
2122 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2123 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2124 (mremap): Declare if HAVE_MREMAP is not defined.
2125 * configure, Makefile.in, config.in: Rebuild.
2126
33aea2fd
CC		 21272009-03-27 Cary Coutant <ccoutant@google.com>
2128
2129 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2130 position independent.
2131 * sparc.cc (Target_sparc::check_non_pic): Likewise.
2132 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2133
6d479619
CC		 21342009-03-24 Cary Coutant <ccoutant@google.com>
2135
2136 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2137 an executable.
2138 (needs_dynamic_reloc): Likewise.
2139
afc06bb8
ILT		 21402009-03-24 Ian Lance Taylor <iant@google.com>
2141
2142 * yyscript.y (file_cmd): Recognize EXTERN.
2143 (extern_name_list, extern_name_list_body): New nonterminals.
2144 * script.cc (script_add_extern): Define.
2145 * script-c.h (script_add_extern): Declare.
2146
f6060a4d
ILT		 21472009-03-24 Rafael Avila de Espindola <espindola@google.com>
2148
2149 * object.cc (is_elf_object): Define.
2150 * object.h (is_elf_object): Declare.
2151 * archive.cc (Archive::get_elf_object_for_member): Call
2152 is_elf_object.
33aea2fd 2153 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 2154
26736d8e
ILT		 21552009-03-24 Elliott Hughes <enh@google.com>
2156
2157 * output.cc (Output_file::map_anonymous): Define.
2158 (Output_file::map): Use map_anonymous. If the regular mmap fails,
2159 try an anonymous one. Report the size if the mmap fails.
2160 * output.h (class Output_file): Declare map_anonymous.
2161
22fd9730
ILT		 21622009-03-24 Ian Lance Taylor <iant@google.com>
2163
2164 * target-select.cc (instantiate_target): Don't acquire the lock if
2165 the instantiated_target_ field has already been set.
2166
cb010894
ILT		 21672009-03-23 Ian Lance Taylor <iant@google.com>
2168
7f055c20
ILT		 2169 * gold-threads.h (class Initialize_lock): Define.
2170 * gold-threads.cc (class Initialize_lock_once): Define.
2171 (initialize_lock_control): New static variable.
2172 (initialize_lock_pointer): New static variable.
2173 (initialize_lock_once): New static function.
2174 (Initialize_lock::Initialize_lock): Define.
2175 (Initialize_lock::initialize): Define.
2176 * target-select.h: Include "gold-threads.h".
2177 (class Target_selector): Add lock_ and initialize_lock_ fields.
2178 Don't define instantiate_target, just declare it.
2179 * target-select.cc (Target_selector::Target_selector): Initialize
2180 new fields.
2181 (Target_selector::instantiate_target): Define.
2182 * descriptors.h: Include "gold-threads.h".
2183 (class Descriptors): Add initialize_lock_ field.
2184 * descriptors.cc (Descriptors::Descriptors): Initialize new
2185 field.
2186 (Descriptors::open): Use initialize_lock_ field
2187 * errors.h (class Errors): Add initialize_lock_ field.
2188 * errors.cc (Errors::Errors): Initialize new field.
2189 (Errors::initialize_lock): Use initialize_lock_ field.
2190 * powerpc.cc (class Target_selector_powerpc): Remove
2191 instantiated_target_ field. In do_recognize call
2192 instantiate_target rather than do_instantiate_target. In
2193 do_instantiate_target just allocate a new target.
2194 * sparc.cc (class Target_selector_sparc): Likewise.
2195
36959681
ILT		 2196 * freebsd.h: New file.
2197 * i386.cc: Include "freebsd.h".
2198 (Target_i386): Derive from Target_freebsd rather than
2199 Sized_target.
2200 (Target_selector_i386): Derive from Target_selector_freebsd rather
2201 than Target_selector.
2202 * x86_64.cc: Include "freebsd.h".
2203 (Target_x86_64): Derive from Target_freebsd rather than
2204 Sized_target.
2205 (Target_selector_x86_64): Derive from Target_selector_freebsd
2206 rather than Target_selector.
2207 * target.h (class Target): Add adjust_elf_header and
2208 do_adjust_elf_header.
2209 * output.cc (Output_file_header:: do_sized_write): Call target
2210 adjust_elf_header routine.
2211 * configure.tgt: Set targ_osabi.
2212 * configure.ac: Define GOLD_DEFAULT_OSABI.
2213 * parameters.cc (Parameters::default_target): Pass
2214 GOLD_DEFAULT_OSABI to select_target.
2215 * target-select.h (class Target_selector): Make instantiate_target
2216 protected rather than private.
2217 * Makefile.am (HFILES): Add freebsd.h.
2218 * configure, Makefile.in, config.in: Rebuild.
2219
cb010894
ILT		 2220 * merge.cc (do_add_input_section): Correct pend value. Change
2221 message about last entry not being null terminated from error to
2222 warning.
2223
0e879927
ILT		 22242009-03-20 Mikolaj Zalewski <mikolajz@google.com>
2225
2226 * incremental.cc: New file.
2227 * Makefile.am (CCFILES): Add incremental.cc.
2228 * Makefile.in: Rebuild.
2229
41105937
PP		 22302009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
2231
2232 * layout.cc (Layout::output_section_name): Preserve names
2233 of '.note.' sections.
2234
60439920
ILT		 22352009-03-19 Ian Lance Taylor <iant@google.com>
2236
2237 * descriptors.cc (Descriptors::open): Check that the options are
2238 valid before using them.
2239
0d371ad3
ILT		 22402009-03-18 Ian Lance Taylor <iant@google.com>
2241
2242 * script-sections.h: Include <list>.
2243 (class Script_sections): Change Sections_elements from std::vector
2244 to std::list. Typedef public Elements_iterator. Add
2245 orphan_section_placement_, data_segment_align_start_, and
2246 saw_data_segment_align_ fields. Remove data_segment_align_index_
2247 field.
2248 * script-sections.cc (class Orphan_section_placement): New class.
2249 (class Sections_element): Add virtual functions is_relro and
2250 orphan_section_init. Remove virtual function place_orphan_here.
2251 (class Output_section_definition): Add is_relro and
2252 orphan_section_init. Remove place_orphan_here.
2253 (class Orphan_output_section): Likewise.
2254 (Script_sections::Script_sections): Update for field changes.
2255 (Script_sections::data_segment_align): Set saw_data_segment_align_
2256 and data_segment_align_start_, not data_segment_align_index.
2257 (Script_sections::data_segment_relro_end): Check
2258 saw_data_segment_align_. Use data_segment_align_start_ rather
2259 than data_segment_align_index_.
2260 (Script_sections::place_orphan): Rewrite to use
2261 Orphan_section_placement.
2262
9201d894
ILT		 22632009-03-17 Ian Lance Taylor <iant@google.com>
2264
9c5b8369
ILT		 2265 * archive.cc (Archive::add_symbols): Check for a version attached
2266 to the symbol name in the archive map.
2267 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2268 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2269 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2270 (ver_test_11.a): New target.
2271 * testsuite/Makefile.in: Rebuild.
2272
9201d894
ILT		 2273 * configure.ac: Check for chsize and posix_fallocate. Replace
2274 ftruncate.
2275 * ftruncate.c: New file, from gnulib.
2276 * output.cc (posix_fallocate): Define dummy version if not
2277 HAVE_POSIX_FALLOCATE.
2278 (Output_file::map): Call posix_fallocate rather than lseek and
2279 write.
2280 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2281 * configure, Makefile.in, config.in: Rebuild.
2282
ef4ab7a8
PP		 22832009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
2284
2285 * layout.h (Layout::create_note): Add section_name parameter.
2286 * layout.cc (Layout::create_note): Likewise.
2287 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2288
8c500701
ILT		 22892009-03-17 Ian Lance Taylor <iant@google.com>
2290
e85b18e1
ILT		 2291 * descriptors.cc: Include "options.h".
2292 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2293 (Descriptors::open): Always use O_CLOEXEC when opening a new
2294 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
2295 then set FD_CLOEXEC.
2296
9efe6174
ILT		 2297 * sparc.cc (class Target_sparc): Add has_got_section.
2298 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2299 make sure we have a GOT section.
2300
2301 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2302 (Target_sparc::Scan::local): Likewise.
2303 (Target_sparc::Scan::global): Likewise.
2304 (Target_sparc::Relocate::relocate): Likewise.
2305 (Target_sparc::Relocate::relocate_tls): Likewise.
2306
8c500701
ILT		 2307 * symtab.cc (Symbol_table::define_default_version): New function,
2308 broken out of add_from_object.
2309 (Symbol_table::add_from_object): Call define_default_version.
2310 (Symbol_table::define_special_symbol): Add resolve_oldsym
2311 parameter. Change all callers. If the version for a symbol comes
2312 from a version script, resolve it with the symbol with the same
2313 name with no version. Also add the symbol without a version if
2314 appropriate.
2315 (do_define_in_output_data): If resolving with oldsym, don't delete
2316 sym.
2317 (do_define_in_output_segment): Likewise.
2318 (do_define_as_constant): Likewise.
2319 * symtab.h (class Symbol_table): Update declarations.
2320
f1ed28fb
ILT		 23212009-03-13 Ian Lance Taylor <iant@google.com>
2322
15f8229b
ILT		 2323 * readsyms.cc (Read_symbols::incompatible_warning): New function.
2324 (Read_symbols::requeue): New function.
2325 (Read_symbols::do_read_symbols): If make_elf_object fails because
2326 the target type is not configured, and the file was searched for,
2327 issue a warning and retry with the next directory.
2328 (Add_symbols::run): If the file has an incompatible format, and
2329 it was searched for, requeue the Read_symbols task. On error,
2330 release the object.
2331 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
2332 dirindex parameter to constructor. Change all callers. Declare
2333 incompatible_warning and requeue.
2334 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2335 input_argument_ and input_group_ fields. Add them to
2336 constructor. Change all callers.
2337 (class Read_script): Add dirindex_ field. Add it to constructor.
2338 Change all callers.
2339 * archive.cc (Archive::setup): Remove input_objects parameter.
2340 Change all callers.
2341 (Archive::get_file_and_offset): Likewise.
2342 (Archive::read_all_symbols): Likewise.
2343 (Archive::read_symbols): Likewise.
2344 (Archive::get_elf_object_for_member): Remove input_objects
2345 parameter. Add punconfigured parameter. Change all callers.
2346 (Archive::add_symbols): Change return type to bool. Check return
2347 value of include_member.
2348 (Archive::include_all_members): Likewise.
2349 (Archive::include_member): Change return type to bool. Return
2350 false if first included object has incompatible target. Set
2351 included_member_ field.
2352 (Add_archive_symbols::run): If add_symbols returns false, requeue
2353 Read_symbols task.
2354 * archive.h (class Archive): Add included_member_ field.
2355 Initialize it in constructor. Add input_file and searched_for
2356 methods. Update declarations.
2357 (class Add_archive_symbols): Add dirpath_, dirindex_, and
2358 input_argument_ fields. Add them to constructor. Change all
2359 callers.
2360 * script.cc: Include "target-select.h".
2361 (class Parser_closure): Add skip_on_incompatible_target_ and
2362 found_incompatible_target_ fields. Add
2363 skip_on_incompatible_target parameter to constructor. Change all
2364 callers. Add methods skip_on_incompatible_target,
2365 clear_skip_on_incompatible_target, found_incompatible_target, and
2366 set_found_incompatible_target.
2367 (read_input_script): Add dirindex parameter. Change all callers.
2368 If parser finds an incompatible target, requeue Read_symbols
2369 task.
2370 (script_set_symbol): Clear skip_on_incompatible_target in
2371 closure.
2372 (script_add_assertion, script_parse_option): Likewise.
2373 (script_start_sections, script_add_phdr): Likewise.
2374 (script_check_output_format): New function.
2375 * script.h (read_input_script): Update declaration.
2376 * script-c.h (script_check_output_format): Declare.
2377 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2378 (ignore_cmd): Remove OUTPUT_FORMAT.
2379 * fileread.cc (Input_file::Input_file): Add explicit this.
2380 (Input_file::will_search_for): New function.
2381 (Input_file::open): Add pindex parameter. Change all callers.
2382 * fileread.h (class Input_file): Add input_file_argument method.
2383 Declare will_search_for. Update declarations.
2384 * object.cc (make_elf_object): Add punconfigured parameter.
2385 Change all callers.
2386 * object.h (class Object): Make input_file public. Add
2387 searched_for method.
2388 (make_elf_object): Update declaration.
2389 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2390 restart search.
2391 * dirsearch.h (class Dirsearch): Update declaration.
2392 * options.h (class General_options): Add --warn-search-mismatch.
2393 * parameters.cc (Parameters::is_compatible_target): New function.
2394 * parameters.h (class Parameters): Declare is_compatible_target.
2395 * workqueue.cc (Workqueue::add_blocker): New function.
2396 * workqueue.h (class Workqueue): Declare add_blocker.
2397
f1ed28fb
ILT		 2398 * fileread.cc (Input_file::open): Remove options parameter.
2399 Change all callers.
2400 (Input_file::open_binary): Likewise.
2401 * script.cc (read_input_script): Likewise.
2402 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2403 options parameter from constructor. Change all callers.
2404 (class Read_script): Likewise.
2405 * fileread.h (class Input_file): Update declarations.
2406 * script.h (read_input_script): Update declaration.
2407
34dd024a
NC		 24082009-03-10 Nick Clifton <nickc@redhat.com>
2409
2410 * po/es.po: New Spanish translation.
2411
6d71b17c
CC		 24122009-03-06 Cary Coutant <ccoutant@google.com>
2413
2414 * options.cc (parse_short_option): Keep dash_z from registering itself.
2415
031cdbed
ILT		 24162009-03-03 Ian Lance Taylor <iant@google.com>
2417
2418 PR 9918
2419 * target-reloc.h (relocate_section): Pass output_section to
2420 relocate.
2421 * i386.cc (Target_i386::should_apply_static_reloc): Add
2422 output_section parameter. Change all callers.
2423 (Target_i386::Relocate::relocate): Add output_section parameter.
2424 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2425 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2426 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2427 * testsuite/two_file_shared.sh: New script.
2428 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2429 (check_DATA): Add two_file_shared.dbg.
2430 (two_file_shared.dbg): New target.
2431 * testsuite/Makefile.in: Rebuild.
2432
15d5fa16
ILT		 24332009-03-01 Ian Lance Taylor <iant@google.com>
2434
2435 * configure.ac: Check for byteswap.h.
2436 * configure: Rebuild.
2437 * config.in: Rebuild.
2438
8a4c0b0d
ILT		 24392009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2440
2441 * layout.cc (Layout::find_or_add_kept_section): New function.
2442 (Layout::add_comdat): Removed.
2443 * layout.h (struct Kept_section): Move out of class Layout.
2444 Remove trailing underscores from field names. Add group_sections
2445 field. Rename group_ field to is_group. Change all uses.
2446 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2447 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2448 comdat_groups_ field.
2449 (Sized_relobj::include_section_group): Use
2450 find_or_add_kept_section and Kept_section::group_sections.
2451 (Sized_relobj::include_linkonce_section): Likewise.
2452 * object.cc (class Sized_relobj): Don't define Comdat_group or
2453 Comdat_group_table. Remove find_comdat_group and
2454 add_comdat_group. Remove comdat_groups_ field.
2455 * plugin.cc (include_comdat_group): Use
2456 Layout::find_or_add_kept_section.
2457
b4ecf66b
ILT		 24582009-02-28 Ian Lance Taylor <iant@google.com>
2459
14359ca0
ILT		 2460 * README: --gc-sections and map files are now supported. Document
2461 some build requirements.
2462
b4ecf66b
ILT		 2463 PR 6992
2464 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2465 relocatable link set the value of the section symbol to zero.
2466 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2467 relocatable link don't include the section address in the local
2468 symbol value.
2469
0602e05a
ILT		 24702009-02-27 Ian Lance Taylor <iant@google.com>
2471
fd9d194f
ILT		 2472 PR 6811
2473 * options.h (class Search_directory): Add is_system_directory.
2474 (class General_options): Declare is_in_system_directory.
2475 * options.cc (get_relative_sysroot): Make static.
2476 (get_default_sysroot): Make static.
2477 (General_optoins::is_in_system_directory): New function.
2478 * fileread.cc (Input_file::is_in_system_directory): New function.
2479 * fileread.h (class Input_file): Declare is_in_system_directory.
2480 * object.h (class Object): Add is_in_system_directory.
2481 (class Input_objects): Remove system_library_directory_ field.
2482 * object.cc (Input_objects::add_object): Don't set
2483 system_library_directory_.
2484 (input_objects::found_in_system_library_directory): Remove.
2485 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2486 parameter. Change all callers.
2487 (Symbol_table::sized_write_globals): Likewise.
2488 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2489 Call Object::is_in_system_directory.
2490 * symtab.h (class Symbol_table): Update declarations.
2491
61edd21f
ILT		 2492 PR 5990
2493 * descriptors.h (Open_descriptor): Add is_on_stack field.
2494 * descriptors.cc (Descriptors::open): If the descriptor is on the
2495 top of the stack, remove it. Initialize is_on_stack field.
2496 (Descriptors::release): Only add pod to stack if it is not on the
2497 stack already.
2498 (Descriptors::close_some_descriptor): Clear stack_next and
2499 is_on_stack fields.
2500
e29e076a
ILT		 2501 PR 7091
2502 * output.cc (Output_section::find_starting_output_address): Rename
2503 from starting_output_address; add PADDR parameter; change return
2504 type.
2505 * output.h (class Output_section): Declare
2506 find_starting_output_address instead of starting_output_address.
2507 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2508 section symbol for which we can't find a merge section.
2509
0602e05a
ILT		 2510 PR 9836
2511 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2512 hidden or internal, force the symbol to be local.
2513 * resolve.cc (Symbol::override_visibility): Define.
2514 (Symbol::override_base): Use override_visibility.
2515 (Symbol_table::resolve): Likewise.
2516 (Symbol::override_base_with_special): Likewise.
2517 (Symbol_table::override_with_special): If the visibility is hidden
2518 or internal, force the symbol to be local.
2519 * symtab.h (class Symbol): Add set_visibility and
2520 override_visibility.
2521 * testsuite/ver_test_1.sh: New file.
2522 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2523 (check_DATA): Add ver_test_1.syms.
2524 (ver_test_1.syms): New target.
2525 * testsuite/Makefile.in: Rebuild.
2526
401a9a73
CC		 25272009-02-25 Cary Coutant <ccoutant@google.com>
2528
2529 * layout.cc (Layout::choose_output_section): Don't rename sections
2530 when using a linker script that has a SECTIONS clause.
2531 * Makefile.in: Regenerate.
2532
2533 * testsuite/Makefile.am (script_test_5.sh): New test case.
2534 * testsuite/Makefile.in: Regenerate.
2535 * testsuite/script_test_5.cc: New file.
2536 * testsuite/script_test_5.sh: New file.
2537 * testsuite/script_test_5.t: New file.
2538
f488e4b0
CC		 25392009-02-13 Rafael Avila de Espindola <espindola@google.com>
2540
2541 * archive.cc (Archive::include_member): Update calls to add_symbols.
2542 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2543 the Layout argument.
2544 * dynobj.h (do_add_symbols): Add the Layout argument.
2545 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2546 Layout argument.
2547 * object.h (Object::add_symbols): Add the Layout argument.
2548 (Object::do_add_symbols): Add the Layout argument.
2549 (Sized_relobj::do_add_symbols): Add the Layout argument.
2550 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2551 Unify the two versions.
2552 (Add_plugin_symbols): Remove.
2553 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2554 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2555 (Add_plugin_symbols): Remove.
2556 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2557 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2558 (Add_symbols::run): Make it work with Pulginobj.
2559
89dd1680
ILT		 25602009-02-06 Ian Lance Taylor <iant@google.com>
2561
2562 * object.cc (Sized_relobj::do_layout): Make info message start
2563 with lower case letter.
2564
266d0a74
ILT		 25652009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2566
602b464e
ILT		 2567 * binary.cc: Fix file comment.
2568
266d0a74
ILT		 2569 * options.h (enum Incremental_disposition): Define.
2570 (class General_options): Add new options: --incremental,
2571 --incremental_changed, --incremental_unchanged,
2572 --incremental_unknown. Add incremental_disposition_ and
2573 implicit_incremental_ fields.
2574 (General_options::incremental_disposition): New function.
2575 (class Position_dependent_options): Add incremental_disposition
2576 option.
2577 (Position_dependent_options::copy_from_options): Set incremental
2578 dispositions.
2579 * options.cc (General_options::parse_incremental_changed): New
2580 function.
2581 (General_options::parse_incremental_unchanged): New function.
2582 (General_options::parse_incremental_unknown): New function.
2583 (General_options::General_options): Initialize new fields
2584 incremental_disposition_ and implicit_incremental_.
2585 (General_options::finalize): Check for uasge of --incremental-*
2586 without --incremental.
2587
f073bbf7
CD		 25882009-02-06 Chris Demetriou <cgd@google.com>
2589
2590 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2591 pointer and to report location as the file name associated with
2592 the symbol.
2593 (gold_undefined_symbol_at_location): New function to replace the
2594 old gold_undefined_symbol functionality.
2595 * target-reloc.h (relocate_section): Update to use
2596 gold_undefined_symbol_at_location.
2597 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2598 Call gold_undefined_symbol function rather than gold_error.
2599 * errors.h (Errors::undefined_symbol): Take location as a
2600 string, rather than calculating it from a relocation.
2601 * errors.cc (Errors::fatal): Print "fatal error:" before the
2602 formatted message.
2603 (Errors::error, Errors::error_at_location): Print "error: "
2604 before the formatted message.
2605 (Errors::undefined_symbol): Take location as a string, rather
2606 than calculating it from a relocation.
2607 (gold_undefined_symbol_at_location): New function akin to
2608 old gold_undefined_symbol, calculates location from relocation.
2609 (gold_undefined_symbol): Change to take only a Symbol pointer
2610 and to report location as the file name associated with the symbol.
2611 * testsuite/debug_msg.sh: Update for changed error messages.
2612 * testsuite/undef_symbol.sh: Likewise.
2613
8e94a90c
ILT		 26142009-02-04 Duncan Sands <baldrick@free.fr>
2615
2616 PR 9812
2617 * reduced_debug_output.h
2618 (Output_reduced_debug_abbrev_section::failed): Use format for
2619 gold_warning.
2620 (Output_reduced_debug_info_section::faild): Likewise.
2621
88a0e15b
ILT		 26222009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2623
2624 * script.cc (Lazy_demangler): New class.
2625 (Version_script_info::get_symbol_version_helper): Demangle a
2626 symbol only once.
2627
5efc7cd2
CC		 26282009-01-29 Cary Coutant <ccoutant@google.com>
2629
2630 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2631 to __tls_get_addr.
2632 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2633
e0ebcf42
ILT		 26342009-01-28 Ian Lance Taylor <iant@google.com>
2635
5efc7cd2 2636 * version.cc (version_string): Bump to 1.9.
75fe7426 2637
e0ebcf42
ILT		 2638 * gold.h: Include <cstring> and <stdint.h>.
2639 * version.cc: Include <cstdio>.
2640 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2641 warning.
2642 * reduced_debug_output.cc (insert_into_vector): Rename from
2643 Insert_into_vector; change all callers. Use Swap_unaligned to
2644 avoid aliasing issue; remove union since it is unnecessary.
2645
8e2813be 26462009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 2647
2648 * Makefile.am (CCFILES): Add gc.cc.
2649 (HFILES): Add gc.h.
2650 * Makefile.in: Regenerate.
2651 * gold.cc (Gc_runner): New class.
2652 (queue_initial_tasks): Call garbage collection related tasks
2653 when corresponding options are invoked.
2654 (queue_middle_gc_tasks): New function.
2655 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2656 processed early before laying out sections during garbage collection.
2657 * gold.h (queue_middle_gc_tasks): New function.
2658 (is_prefix_of): Move from "layout.cc".
2659 * i386.cc (Target_i386::gc_process_relocs): New function.
2660 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2661 * main.cc (main): Create object of class "Garbage_collection".
2662 * object.cc (Relobj::copy_symbols_data): New function.
2663 (Relobj::is_section_name_included): New function.
2664 (Sized_relobj::do_layout): Allow this function to be called twice
2665 during garbage collection and defer layout of section during the
2666 first call.
2667 * object.h (Relobj::get_symbols_data): New function.
2668 (Relobj::is_section_name_included): New function.
2669 (Relobj::copy_symbols_data): New function.
2670 (Relobj::set_symbols_data): New function.
2671 (Relobj::get_relocs_data): New function.
2672 (Relobj::set_relocs_data): New function.
2673 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2674 (Relobj::gc_process_relocs): New function.
2675 (Relobj::do_gc_process_relocs): New pure virtual function.
2676 (Relobj::sd_): New data member.
2677 (Sized_relobj::is_output_section_offset_invalid): New function.
2678 (Sized_relobj::do_gc_process_relocs): New function.
2679 * options.h (General_options::gc_sections): Modify to not be a no-op.
2680 (General_options::print_gc_sections): New option.
2681 * plugin.cc (Plugin_finish::run): Remove function call to
2682 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2683 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2684 * reloc.cc (Read_relocs::run): Add task to process relocs and
2685 determine unreferenced sections when doing garbage collection.
2686 (Gc_process_relocs): New class.
2687 (Sized_relobj::do_gc_process_relocs): New function.
2688 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2689 sections that are garbage collected.
2690 * reloc.h (Gc_process_relocs): New class.
2691 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2692 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2693 symbols whose corresponding sections are garbage collected.
2694 (Symbol_table::Symbol_table): Add new parameter for the garbage
2695 collection object.
2696 (Symbol_table::gc_mark_undef_symbols): New function.
2697 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2698 (Symbol_table::gc_mark_dyn_syms): New function.
2699 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2700 as garbage.
2701 (Symbol_table::add_from_object): Likewise.
2702 (Symbol_table::add_from_relobj): When building shared objects, do not
2703 treat externally visible symbols as garbage.
2704 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2705 table information for static and relocatable links.
2706 * symtab.h (Symbol_table::set_gc): New function.
2707 (Symbol_table::gc): New function.
2708 (Symbol_table::gc_mark_undef_symbols): New function.
2709 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2710 (Symbol_table::gc_mark_dyn_syms): New function.
2711 (Symbol_table::gc_): New data member.
2712 * target.h (Sized_target::gc_process_relocs): New pure virtual
2713 function.
2714 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2715 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2716
3b293544
CF		 27172009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2718
2719 * options.h (General_options::gc_sections): Define as a no-op for now.
2720 (General_options::no_keep_memory): Ditto.
2721 (General_options::Bshareable): Define.
2722 * options.cc (General_options::finalize): Honor -Bshareable.
2723
83d22aa8
AS		 27242009-01-20 Andreas Schwab <schwab@suse.de>
2725
2726 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2727 read the value in the contents, since we don't use it. Use the
2728 template endianness when writing.
2729 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2730
cd536b21
AS		 27312009-01-19 Andreas Schwab <schwab@suse.de>
2732
2733 * configure.tgt (powerpc64-*): Fix targ_obj.
2734
99e9a495
ILT		 27352009-01-15 Ian Lance Taylor <iant@google.com>
2736
2737 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2738 local symbols when stripping all symbols.
2739
bbbfea06
CC		 27402009-01-14 Cary Coutant <ccoutant@google.com>
2741
99e9a495 2742 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 2743
0f7c0701
CC		 27442009-01-14 Cary Coutant <ccoutant@google.com>
2745
2746 * archive.cc (Archive::get_elf_object_for_member): Remove call
2747 to File_read::claim_for_plugin.
2748 * descriptors.cc (Descriptors::open): Remove reference to
2749 is_claimed.
2750 (Descriptors::claim_for_plugin): Remove.
2751 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2752 (Descriptors::is_claimed): Remove.
2753 (claim_descriptor_for_plugin): Remove.
2754 * fileread.cc (File_read::claim_for_plugin): Remove.
2755 * fileread.h (File_read::claim_for_plugin): Remove.
2756 (File_read::descriptor): Reopen descriptor if necessary.
2757 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2758 (Plugin_manager::all_symbols_read): Add task parameter. Change
2759 all callers.
2760 (Plugin_manager::get_input_file): New function.
2761 (Plugin_manager::release_input_file): New function.
2762 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2763 corresponding data member.
2764 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2765 and pass to base constructor. Change all callers.
2766 (get_input_file, release_input_file): New functions.
2767 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2768 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2769 (Plugin_manager::all_symbols_read): Add task parameter.
2770 (Plugin_manager::get_input_file): New function.
2771 (Plugin_manager::release_input_file): New function.
2772 (Plugin_manager::task_): New data member.
2773 (Pluginobj::Pluginobj): Add filesize parameter.
2774 (Pluginobj::filename): New function.
2775 (Pluginobj::descriptor): New function.
2776 (Pluginobj::filesize): New function.
2777 (Pluginobj::filesize_): New data member.
2778 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2779 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2780 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2781
2782 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2783 with archive libraries.
2784 * testsuite/Makefile.in: Regenerate.
2785 * testsuite/plugin_test.c (struct sym_info): New type.
2786 (get_input_file, release_input_file): New static variables.
2787 (onload): Capture new transfer vector entries.
2788 (claim_file_hook): Stop reading at end of file according to filesize.
2789 Factor out parsing of readelf output into separate function.
2790 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2791 APIs and get the source file name from the symbol table. Convert
2792 source file name to corresponding object file name. Print info
2793 message when adding new input files.
2794 (parse_readelf_line): New function.
2795 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2796 * testsuite/plugin_test_2.sh: Likewise.
2797 * testsuite/plugin_test_3.sh: Likewise.
2798 * testsuite/plugin_test_4.sh: New test case.
2799
62a6d109
ILT		 28002009-01-07 Ian Lance Taylor <iant@google.com>
2801
2802 * version.cc (version_string): Bump to 1.8.
2803
483620e8
CC		 28042008-12-23 Cary Coutant <ccoutant@google.com>
2805
2806 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2807 * plugin.cc (Plugin_manager::finish): Rename as
2808 layout_deferred_objects. Move cleanup to separate function.
2809 (Plugin_manager::cleanup): New function.
2810 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2811 separately.
2812 * plugin.h (Plugin_manager::finish): Rename as
2813 layout_deferred_objects.
2814 (Plugin_manager::cleanup): New function.
2815 (Plugin_manager::cleanup_done): New field.
2816
d66a9eb3
CC		 28172008-12-23 Cary Coutant <ccoutant@google.com>
2818
2819 * plugin.cc (is_visible_from_outside): New function.
2820 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2821 so we don't return "IR only" status for exported symbols or -r links.
2822
2823 * testsuite/Makefile.am (plugin_test_3): New test case.
2824 * testsuite/Makefile.in: Regenerate.
2825 * testsuite/plugin_test_3.sh: New file.
2826
5995b570
CC		 28272008-12-22 Cary Coutant <ccoutant@google.com>
2828
2829 * object.cc (Sized_relobj::layout_section): New function.
2830 (Sized_relobj::do_layout): Defer layout of input sections until after
2831 plugin has provided replacement files.
2832 (Sized_relobj::do_layout_deferred_sections): New function.
2833 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2834 (Relobj::layout_deferred_sections): New function.
2835 (Relobj::do_layout_deferred_sections): New function.
2836 (Sized_relobj::do_layout_deferred_sections): New function.
2837 (Sized_relobj::layout_section): New function.
2838 (Sized_relobj::Deferred_layout): New structure.
2839 (Sized_relobj::deferred_layout_): New field.
2840 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2841 Change all callers. Layout deferred sections.
2842 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2843 references.
2844 (Plugin_hook::run): Move code from do_plugin_hook inline.
2845 (Plugin_hook::do_plugin_hook): Remove.
2846 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2847 (Plugin_manager::finish): Renamed, was cleanup.
2848 (Plugin_manager::should_defer_layout): New function.
2849 (Plugin_manager::add_deferred_layout_object): New function.
2850 (Plugin_manager::Deferred_layout_list): New type.
2851 (Plugin_manager::deferred_layout_objects_): New field.
2852 (Plugin_hook::do_plugin_hook): Remove.
2853
ee769c88
ILT		 28542008-12-17 Ian Lance Taylor <iant@google.com>
2855
2856 * options.h (class General_options): Add --no case for
2857 --export-dynamic.
2858
abc8dcba
CC		 28592008-12-16 Cary Coutant <ccoutant@google.com>
2860
2861 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2862 vector.
2863 (Plugin_manager::claim_file): Create plugin object even if
2864 plugin did not call the add_symbols callback.
2865 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2866 asking for more symbols than were added.
2867 * testsuite/Makefile.am (plugin_test_1): Add test case with
2868 no global symbols.
2869 (empty.syms): New target.
2870 * testsuite/Makefile.in: Regenerate.
2871 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2872 message. Don't call add_symbols if no globals.
2873 (all_symbols_read_hook): Don't provide replacement for empty
2874 claimed file.
2875
b0074644
ILT		 28762008-12-12 Ian Lance Taylor <iant@google.com>
2877
68943102
ILT		 2878 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2879 r_type == 0 for a local symbol with r_sym == 0.
2880 (scan_relocatable_relocs): Pass r_sym to
2881 local_non_section_strategy.
2882 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2883 r_sym parameter.
2884
b0074644
ILT		 2885 * configure.ac: Update test for TLS descriptors: they are
2886 supported as of glibc 2.9.
2887 * configure: Rebuild.
2888
c2508178
ILT		 28892008-12-11 Ian Lance Taylor <iant@google.com>
2890
2891 PR 7091
2892 * target-reloc.h (Default_scan_relocatable_relocs): For each
2893 function, map r_type == 0 to RELOC_DISCARD.
2894
2756a258
CC		 28952008-12-10 Cary Coutant <ccoutant@google.com>
2896
2897 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2898 object to override a kept COMDAT group from a plugin object.
2899
bb6f53d3
ILT		 29002008-12-09 Ian Lance Taylor <iant@google.com>
2901
fbc558e1
ILT		 2902 PR 7088
2903 * yyscript.y (file_cmd): Handle INPUT.
2904
bb6f53d3
ILT		 2905 * testsuite/initpri1.c: Change all declarations to be full
2906 prototypes by adding void, to avoid compiler warnings.
2907
4674ecfc
CC		 29082008-12-05 Rafael Avila de Espindola <espindola@google.com>
2909
2910 * options.cc (General_options::parse_plugin_opt): New.
2911 (General_options::add_plugin): The argument now is just the filename.
2912 (General_options::add_plugin_option): New.
2913 * options.h (plugin_opt): New.
2914 (add_plugin): Change argument name.
2915 (add_plugin_option): New.
2916 * plugin.cc (Plugin::load): Don't parse the plugin option.
2917 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2918 (Plugin::add_option): New.
2919 (Plugin::args_): Change type.
2920 (Plugin::filename_): New.
2921 (Plugin_manager::add_plugin_option): New.
2922 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2923 * testsuite/Makefile.in: Regenerate.
2924
fd06b4aa
CC		 29252008-12-05 Cary Coutant <ccoutant@google.com>
2926
2927 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2928 Handle --strip-lto-sections option.
2929 * options.h (strip_lto_sections): New option.
2930
6c52134c
CC		 29312008-12-01 Cary Coutant <ccoutant@google.com>
2932
2933 * plugin.cc (ld_plugin_message): Change format parameter to const.
2934 Fix mismatch between new[] and delete.
2935
a45248e0
CC		 29362008-11-14 Cary Coutant <ccoutant@google.com>
2937
2938 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2939 instead of -1U.
2940
c82fbeee
CS		 29412008-11-05 Craig Silverstein <csilvers@google.com>
2942
2943 * options.cc (General_options::parse_dynamic_list): New function.
2944 * options.h (General_options): New flags dynamic_list,
2945 dynamic_list_data, dynamic_list_cpp_new, and
2946 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2947 (General_options::in_dynamic_list): New function.
2948 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2949 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2950 (Lex::can_continue_name): Likewise.
2951 (yylex): Likewise.
2952 (read_script_file): New parameter script_options.
2953 (read_dynamic_list): New function.
2954 (Script_options::define_dynamic_list): New function.
2955 (dynamic_list_keyword_parsecodes): New variable.
2956 (dynamic_list_keywords): New variable.
2957 * script.h (Script_options::define_dynamic_list): New function
2958 prototype.
2959 (read_dynamic_list): New function prototype.
2960 * symtab.cc (strprefix): New macro.
2961 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2962 dynamic_list_data, dynamic_list_cpp_new, and
2963 dynamic_list_cpp_typeinfo.
2964 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2965 (dynamic_list_expr): New rule.
2966 (dynamic_list_nodes): Likewise.
2967 (dynamic_list_node): Likewise.
2968 * testsuite/Makefile.am (dynamic_list): New test.
2969 * testsuite/Makefile.in: Regenerated.
2970 * testsuite/dynamic_list.t: New file.
2971 * testsuite/dynamic_list.sh: New file.
2972
e0bb29a5
CS		 29732008-11-05 Craig Silverstein <csilvers@google.com>
2974
2975 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2976 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2977 (t11_last): Likewise.
2978 * testsuite/ver_test_6.c (main): Likewise.
2979
4e1e25e0
CC		 29802008-10-07 Cary Coutant <ccoutant@google.com>
2981
2982 * options.c (General_options::finalize): Add check for -static and
2983 -shared.
2984 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2985 is not empty.
2986
92f03fcb
CC		 29872008-10-02 Cary Coutant <ccoutant@google.com>
2988
2989 * plugin.cc (make_sized_plugin_object): Fix conditional
2990 compilation to work when not all targets are enabled.
2991
fbd8a257
CC		 29922008-09-29 Cary Coutant <ccoutant@google.com>
2993
2994 * archive.cc (Archive::get_file_and_offset): Use filename instead
2995 of name to get library path.
2996 (Archive::include_member): Unlock external member of a thin archive.
2997
2998 * testsuite/Makefile.am (TEST_AR): New variable.
2999 (thin_archive_test_1): New test.
3000 (thin_archive_test_2): New test.
81636b3f
CC		 3001 * testsuite/Makefile.in: Regenerate.
3002 * testsuite/thin_archive_main.cc: New file.
3003 * testsuite/thin_archive_test_1.cc: New file.
3004 * testsuite/thin_archive_test_2.cc: New file.
3005 * testsuite/thin_archive_test_3.cc: New file.
3006 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 3007
eff45813
CC		 30082008-09-29 Cary Coutant <ccoutant@google.com>
3009
3010 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3011 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3012 instead of -1U.
3013 (Sized_relobj::do_finalize_local_symbols): Likewise.
3014 (Sized_relobj::map_to_kept_section): Likewise.
3015 * object.h (Sized_relobj::invalid_address): New constant.
3016 (Sized_relobj::do_output_section_offset): Check for invalid_address
3017 and return -1ULL.
3018 * output.cc (Output_reloc::local_section_offset): Use constant
3019 invalid_address instead of -1U.
3020 (Output_reloc::get_address): Likewise.
3021 (Output_section::output_address): Change -1U to -1ULL.
3022 * output.h (Output_reloc::invalid_address): New constant.
3023 * reloc.cc (Sized_relobj::write_sections): Use constant
3024 invalid_address instead of -1U.
3025 (Sized_relobj::relocate_sections): Likewise.
3026 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3027 values for merge sections.
3028 * target-reloc.h (relocate_for_relocatable): Use constant
3029 invalid_address instead of -1U.
3030
89fc3421
CC		 30312008-09-19 Cary Coutant <ccoutant@google.com>
3032
3033 Add plugin functionality for link-time optimization (LTO).
3034 * configure.ac (plugins): Add --enable-plugins option.
3035 * configure: Regenerate.
3036 * config.in: Regenerate.
3037 * Makefile.am (LIBDL): New variable.
3038 (CCFILES): Add plugin.cc.
3039 (HFILES): Add plugin.h.
3040 (ldadd_var): Add LIBDL.
3041 * Makefile.in: Regenerate.
3042
3043 * archive.cc: Include "plugin.h".
3044 (Archive::setup): Don't preread archive symbols when using a plugin.
3045 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
3046 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3047 files.
3048 (Archive::include_member): Add symbols from plugin objects.
3049 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3050 * descriptors.cc (Descriptors::open): Check for file descriptors
3051 abandoned by plugins.
3052 (Descriptors::claim_for_plugin): New function.
3053 * descriptors.h (Descriptors::claim_for_plugin): New function.
3054 (Open_descriptor::is_claimed): New field.
3055 (claim_descriptor_for_plugin): New function.
3056 * fileread.cc (File_read::claim_for_plugin): New function.
3057 * fileread.h (File_read::claim_for_plugin): New function.
3058 (File_read::descriptor): New function.
3059 * gold.cc: Include "plugin.h".
3060 (queue_initial_tasks): Add task to call plugin hooks for generating
3061 new object files.
3062 * main.cc: Include "plugin.h".
3063 (main): Load plugin libraries.
3064 * object.h (Pluginobj): Declare.
3065 (Object::pluginobj): New function.
3066 (Object::do_pluginobj): New function.
3067 (Object::set_target): New function.
3068 * options.cc: Include "plugin.h".
3069 (General_options::parse_plugin): New function.
3070 (General_options::General_options): Initialize plugins_ field.
3071 (General_options::add_plugin): New function.
3072 * options.h (Plugin_manager): Declare.
3073 (General_options): Add --plugin option.
3074 (General_options::has_plugins): New function.
3075 (General_options::plugins): New function.
3076 (General_options::add_plugin): New function.
3077 (General_options::plugins_): New field.
3078 * plugin.cc: New file.
3079 * plugin.h: New file.
3080 * readsyms.cc: Include "plugin.h".
3081 (Read_symbols::do_read_symbols): Check for archive before checking
3082 for ELF file. Call plugin hooks to claim files.
3083 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3084 from a real object file; force override when processing replacement
3085 files.
3086 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3087 (Symbol::init_base_object): Likewise.
3088 (Symbol::init_base_output_data): Likewise.
3089 (Symbol::init_base_output_segment): Likewise.
3090 (Symbol::init_base_constant): Likewise.
3091 (Symbol::init_base_undefined): Likewise.
3092 (Symbol::output_section): Assert that object is not a plugin.
3093 (Symbol_table::add_from_pluginobj): New function.
3094 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3095 undefined.
3096 (Symbol_table::sized_write_globals): Likewise.
3097 (Symbol_table::add_from_pluginobj): Instantiate template.
3098 * symtab.h (Sized_pluginobj): Declare.
3099 (Symbol::in_real_elf): New function.
3100 (Symbol::set_in_real_elf): New function.
3101 (Symbol::in_real_elf_): New field.
3102 (Symbol_table::add_from_pluginobj): New function.
3103
3104 * testsuite/Makefile.am (AM_CFLAGS): New variable.
3105 (LIBDL): New variable.
3106 (LDADD): Add LIBDL.
3107 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3108 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3109 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3110 (MOSTLYCLEANFILES): Likewise.
3111 * testsuite/Makefile.in: Regenerate.
3112 * testsuite/plugin_test.c: New file.
3113 * testsuite/plugin_test_1.sh: New file.
3114 * testsuite/plugin_test_2.sh: New file.
3115
de31bda5
ILT		 31162008-09-16 Ian Lance Taylor <iant@google.com>
3117
9c2d0ef9
ILT		 3118 * target-reloc.h (relocate_section): Check whether a symbol is
3119 defined by the ABI before reporting an undefined symbol error.
3120 * target.h (Target::is_defined_by_abi): Make parameter const.
3121 (Target::do_is_defined_by_abi): Likewise.
3122 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3123 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3124 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3125 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3126 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3127 * testsuite/Makefile.in: Rebuild.
3128
de31bda5
ILT		 3129 * fileread.cc (make_view): Add casts to avoid warning.
3130
9fa33bee
AO		 31312008-09-16 Alexandre Oliva <aoliva@redhat.com>
3132
3133 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3134 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3135
183fd0e3
AO		 31362008-09-16 Alexandre Oliva <aoliva@redhat.com>
3137
3138 * options.h (General_options::output_is_executable): New.
3139 (General_options::output_is_pie): New.
3140 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3141 for shared libraries.
3142 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3143
7be8330a
CD		 31442008-09-11 Chris Demetriou <cgd@google.com>
3145
3146 * options.h (origin): New -z option.
3147 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3148 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3149 in DT_FLAGS_1.
3150
a9caad02
CC		 31512008-09-05 Cary Coutant <ccoutant@google.com>
3152
3153 * fileread.cc (File_read::make_view): Add check for attempt to map
3154 beyond end of file.
3155
ae6dce4d
CC		 31562008-09-05 Cary Coutant <ccoutant@google.com>
3157
3158 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3159 explicit instantiations.
3160
d7ab2a47
KVH		 31612008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
3162
3163 PR gold/6858
3164 * options.cc (General_options::finalize): Allow undefined symbols
3165 in shlibs if linking -shared.
3166
3167 PR gold/6859
3168 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3169 symbols as not needing a dynsym entry.
3170
1e52a9c1
CS		 31712008-08-20 Craig Silverstein <csilvers@google.com>
3172
3173 * fileread.cc (File_read::open): Do not lock the file unless it
3174 was successfully opened.
3175
d85c80a3
CC		 31762008-08-14 Cary Coutant <ccoutant@google.com>
3177
3178 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3179 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3180 * testsuite/tls_test.cc (struct int128): 128-bit struct
3181 for testing TLS relocs with non-zero addend.
3182 (v12): New TLS variable.
3183 (t12): New test.
3184 (t_last): Add check for v12.
3185 * testsuite/tls_test.h (t12): New function.
3186 * testsuite/tls_test_main.cc (thread_routine): Call new test.
3187
2d924fd9
ILT		 31882008-08-13 Ian Lance Taylor <iant@google.com>
3189
3190 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3191 set tls_segment_ or relro_segment_.
3192 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3193 when appropriate.
3194 * output.h (Output_section::clear_is_relro): New function.
3195 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3196 sections specially even when output_data_ is empty.
3197 (Output_segment::maximum_alignment): When first section is relro,
3198 only force alignment for PT_LOAD segments.
3199 * script.cc (script_data_segment_align): New function.
3200 (script_data_segment_relro_end): New function.
3201 * script-c.h (script_data_segment_align): Declare.
3202 (script_data_segment_relro_end): Declare.
3203 * script-sections.h (class Script_sections): Declare
3204 data_segment_align and data_segment_relro_end. Add fields
3205 segment_align_index_ and saw_relro_end_.
3206 * script-sections.cc (class Sections_element): Add set_is_relro
3207 virtual function. Add new bool* parameter to place_orphan_here.
3208 Add get_output_section virtual function.
3209 (class Output_section_definition): Add set_is_relro. Add new
3210 bool* parameter to place_orphan_here. Add get_output_section.
3211 Add is_relro_ field.
3212 (Output_section_definition::Output_section_definition): Initialize
3213 evaluated_address_, evaluated_load_address, evaluated_addralign_,
3214 and is_relro_ fields.
3215 (Output_section_definition::place_orphan_here): Add is_relro
3216 parameter.
3217 (Output_section_definition::set_section_addresses): Set relro for
3218 output section.
3219 (Output_section_definition::alternate_constraint): Likewise.
3220 (class Orphan_output_section): Add new bool* parameter to
3221 place_orphan_here. Add get_output_section.
3222 (Orphan_output_section::place_orphan_here): Add is_relro
3223 parameter.
3224 (Script_sections::Script_sections): Initialize
3225 data_segment_align_index_ and saw_relro_end_.
3226 (Script_sections::data_segment_align): New function.
3227 (Script_sections::data_segment_relro_end): New function.
3228 (Script_sections::place_orphan): Set or clear is_relro.
3229 (Script_sections::set_section_addresses): Force alignment of first
3230 TLS section.
3231 * yyscript.y (exp): Call script_data_segment_align and
3232 script_data_segment_relro_end.
3233 * testsuite/relro_script_test.t: New file.
3234 * testsuite/relro_test.cc (using_script): Declare.
3235 (t1, t2): Test using_script.
3236 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3237 (relro_script_test_SOURCES): Define.
3238 (relro_script_test_DEPENDENCIES): Define.
3239 (relro_script_test_LDFLAGS): Define.
3240 (relro_script_test_LDADD): Define.
3241 (relro_script_test.so): New target.
3242 * testsuite/Makefile.in: Rebuild.
3243
f827c9a9
CC		 32442008-08-06 Cary Coutant <ccoutant@google.com>
3245
3246 * archive.cc (Archive::total_archives, Archive::total_members)
3247 (Archive::total_members_loaded): New variables.
3248 (Archive::setup): Add parameter. Add option to preread
3249 archive symbols.
3250 (Archive::read_armap): Add counter.
3251 (Archive::get_file_and_offset): New function.
3252 (Archive::get_elf_object_for_member): New function.
3253 (Archive::read_all_symbols): New function.
3254 (Archive::read_symbols): New function.
3255 (Archive::add_symbols): Add counters.
3256 (Archive::include_all_members): Use armap to find members if it's
3257 already built.
3258 (Archive::include_member): Skip reading symbols if already read.
3259 Factored code into Archive::get_file_and_offset and
3260 Archive::get_elf_object_for_member. Changed call to
3261 Mapfile::report_include_archive_member.
3262 (Archive::print_stats): New function.
3263 * archive.h: Declare Object and Read_symbols_data classes.
3264 (Archive::Archive): Add initializers for new members.
3265 (Archive::setup): Add parameter.
3266 (Archive::print_stats): New function.
3267 (Archive::total_archives, Archive::total_members)
3268 (Archive::total_members_loaded): New variables.
3269 (Archive::get_file_and_offset): New function.
3270 (Archive::get_elf_object_for_member): New function.
3271 (Archive::read_all_symbols): New function.
3272 (Archive::read_symbols): New function.
3273 (Archive::Archive_member): New class.
3274 (Archive::members_): New member.
3275 (Archive::num_members_): New member.
3276 * main.cc: Include archive.h.
3277 (main): Call Archive::print_stats.
3278 * mapfile.cc (Mapfile::report_include_archive_member): Delete
3279 archive parameter; member_name is now the fully-decorated name.
3280 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3281 * options.h: (General_options): Add --preread-archive-symbols option.
3282 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3283 Archive::setup.
3284
de4c45bd
ILT		 32852008-08-04 Ian Lance Taylor <iant@google.com>
3286
3287 * symtab.h (Symbol::use_plt_offset): New function.
3288 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3289 * powerpc.cc (Relocate::relocate): Likewise.
3290 * sparc.cc (Relocate::relocate): Likewise.
3291 * x86_64.cc (Relocate::relocate): Likewise.
3292 * testsuite/weak_plt.sh: New test.
3293 * testsuite/weak_plt_main.cc: New test.
3294 * testsuite/weak_plt_shared.cc: New test.
3295 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3296 (check_PROGRAMS): Add weak_plt.
3297 (check_DATA): Add weak_plt_shared.so.
3298 (weak_plt_main_pic.o, weak_plt): New targets.
3299 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3300 * testsuite/Makefile.in: Rebuild.
3301
3302 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3303 gcctestdir/ld.
3304 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3305 * testsuite/Makefile.in: Rebuild.
3306
323ee3f4
AM		 33072008-08-04 Alan Modra <amodra@bigpond.net.au>
3308
3309 * Makefile.am (POTFILES.in): Set LC_ALL=C.
3310 * Makefile.in: Regenerate.
3311 * po/POTFILES.in: Regenerate.
3312
7c07ecec
ILT		 33132008-07-29 Ian Lance Taylor <iant@google.com>
3314
3315 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3316 symbols before other symbols.
3317 * testsuite/script_test_2.cc (test_addr): Declare.
3318 (test_addr_alias): Declare.
3319 (main): Check that test_addr and test_addr_alias have the right
cd536b21 3320 values.
7c07ecec
ILT		 3321 * testsuite/script_test_2.t: Define test_addr_alias and
3322 test_addr.
3323
5778530e
ILT		 33242008-07-24 Ian Lance Taylor <iant@google.com>
3325
2a00e4fb
ILT		 3326 PR 5990
3327 * descriptors.cc: New file.
3328 * descriptors.h: New file.
3329 * gold-threads.h (class Hold_optional_lock): New class.
3330 * fileread.cc: Include "descriptors.h".
3331 (File_read::~File_read): Release descriptor rather than closing
3332 it.
3333 (File_read::open) [file]: Call open_descriptor rather than open.
3334 Set is_descriptor_opened_.
3335 (File_read::open) [memory]: Assert that descriptor is not open.
3336 (File_read::reopen_descriptor): New function.
3337 (File_read::release): Release descriptor.
3338 (File_read::do_read): Make non-const. Reopen descriptor.
3339 (File_read::read): Make non-const.
3340 (File_read::make_view): Reopen descriptor.
3341 (File_read::do_readv): Likewise.
3342 * fileread.h (class File_read): Add is_descriptor_opened_ field.
3343 Update declarations.
3344 * layout.cc: Include "descriptors.h".
3345 (Layout::create_build_id): Use open_descriptor rather than open.
3346 * output.cc: Include "descriptors.h".
3347 (Output_file::open): Use open_descriptor rather than open.
3348 * archive.cc (Archive::const_iterator): Change Archive to be
3349 non-const.
3350 (Archive::begin, Archive::end): Make non-const.
3351 (Archive::count_members): Likewise.
3352 * archive.h (class Archive): Update declarations.
3353 * object.h (Object::read): Make non-const.
3354 * Makefile.am (CCFILES): Add descriptors.cc.
3355 (HFILES): Add descriptors.h.
3356 * Makefile.in: Rebuild.
3357
801647d1
ILT		 3358 PR 6716
3359 * gold.h: Always include <clocale>. Add Solaris workarounds
3360 following code in binutils/sysdep.h.
3361
5edd166e
ILT		 3362 PR 6048
3363 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3364 this->eh_frame_hdr_ is NULL before using it.
3365
c89ad728
ILT		 3366 * dynobj.cc (Versions::Versions): Update comment.
3367
aa86f06b
ILT		 3368 * dynobj.cc (Versions::Versions): If there is an soname, use it as
3369 the base version name.
3370
5778530e
ILT		 3371 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3372 array size plus one.
3373 (Stringpool_template::set_string_offsets): Subtract one from key
3374 before using it as an array index.
3375 (Stringpool_template::get_offset_with_length): Likewise.
3376 (Stringpool_template::write_to_buffer): Likewise.
3377 * stringpool.h (Stringpool_template::get_offset_from_key):
3378 Likewise.
3379
057ead22
ILT		 33802008-07-23 Ian Lance Taylor <iant@google.com>
3381
7f649c59
ILT		 3382 PR 6658
3383 * object.h (Merged_symbol_value::value): Do our best to handle a
3384 negative addend.
3385
057ead22
ILT		 3386 PR 6647
3387 * script.cc (Version_script_info::get_versions): Don't add empty
3388 version tag to return value.
3389 (Version_script_info::get_symbol_version_helper): Change return
3390 type to bool. Add pversion parameter. Change all callers.
3391 (script_register_vers_node): Don't require a non-NULL tag.
3392 * script.h (class Version_script_info): Update declarations.
3393 (Version_script_info::get_symbol_version): Change return type to
3394 bool. Add version parameter. Change all callers.
3395 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3396 handling. Handle an empty version from a version script.
3397 (Symbol_table::define_special_symbol): Likewise.
3398 * testsuite/ver_test_10.script: New file.
3399 * testsuite/ver_test_10.sh: New file.
3400 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3401 (check_DATA): Add ver_test_10.syms.
3402 (ver_test_10.syms, ver_test_10.so): New target.
3403 * testsuite/Makefile.in: Rebuild.
3404
58e54ac2
CD		 34052008-07-23 Simon Baldwin <simonb@google.com>
3406
3407 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3408 to zero for undefined symbols from dynamic libraries.
3409
95d14cd3
ILT		 34102008-07-23 Ian Lance Taylor <iant@google.com>
3411
3412 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3413 Change all callers.
3414 * symtab.h (class Symbol_table): Update declaration.
3415 * testsuite/ver_test_9.cc: New file.
3416 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3417 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3418 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3419 (ver_test_9.so, ver_test_9.o): New targets.
3420 * testsuite/Makefile.in: Rebuild.
3421
92de84a6
ILT		 34222008-07-22 Ian Lance Taylor <iant@google.com>
3423
34810851
ILT		 3424 * options.h (class General_options): Define --check-sections.
3425 * layout.cc (Layout::set_segment_offsets): Handle
3426 --check-sections.
3427
af6156ef
ILT		 3428 * options.h (class General_options): Define -n/--nmagic and
3429 -N/--omagic.
3430 * options.cc (General_options::finalize): For -n/--nmagic or
3431 -N/--omagic, set -static.
3432 * layout.cc (Layout::attach_allocated_section_to_segment): If
3433 -N/--omagic, don't put read-only and read-write sections in
3434 different segments.
3435 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3436 finding a read-only segment.
3437 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3438 don't set the minimum segment alignment to the common page size,
3439 and don't set the file offset to the address modulo the page size.
3440 * script-sections.cc (Script_sections::create_segments): If
3441 -n/--omagic, don't put read-only and read-write sections in
3442 different segments.
3443
92de84a6
ILT		 3444 * cref.cc: New file.
3445 * cref.h: New file.
3446 * options.h (class General_options): Add --print-symbol-counts.
3447 * main.cc (main): Issue defined symbol report if requested.
3448 * archive.cc (Archive::interpret_header): Make into a const member
3449 function.
3450 (Archive::add_symbols): Call Input_objects::archive_start and
3451 archive_stop.
3452 (Archive::const_iterator): Define new class.
3453 (Archive::begin, Archive::end): New functions.
3454 (Archive::include_all_members): Rewrite to use iterator.
3455 (Archive::count_members): New function.
3456 * archive.h (class Archive): Update declarations.
3457 (Archive::filename): New function.
3458 * object.cc: Include "cref.h".
3459 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3460 (Sized_relobj::do_get_global_symbol_counts): New function.
3461 (Input_objects::add_object): Add object to cross-referencer.
3462 (Input_objects::archive_start): New function.
3463 (Input_objects::archive_stop): New function.
3464 (Input_objects::print_symbol_counts): New function.
3465 * object.h: Declare Cref and Archive.
3466 (Object::get_global_symbol_counts): New function.
3467 (Object::do_get_global_symbol_counts): New pure virtual function.
3468 (class Sized_relobj): Add defined_count_ field. Update
3469 declarations.
3470 (class Input_objects): Add cref_ field. Update constructor.
3471 Update declarations.
3472 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3473 defined_count_.
3474 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3475 symbol counts.
3476 (Sized_dynobj::do_get_global_symbol_counts): New function.
3477 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3478 defined_count_. Update declarations. Define Symbols typedef.
3479 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3480 parameter. Change all callers.
3481 (Symbol_table::add_from_dynobj): Add sympointers and defined
3482 parameters. Change all callers.
3483 * symtab.h (class Symbol_table): Update declarations.
3484 * Makefile.am (CCFILES): Add cref.cc.
3485 (HFILES): Add cref.h.
3486 * Makefile.in: Rebuild.
3487
3f7c5e1d
CD		 34882008-07-22 Simon Baldwin <simonb@google.com>
3489
3490 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3491 to zero when writing undefined symbols.
3492
e0b64032
ILT		 34932008-07-22 Ian Lance Taylor <iant@google.com>
3494
3495 * output.cc (Output_section::add_input_section): Don't try to
3496 merge empty merge sections.
3497
096b02cf
CS		 34982008-07-21 Craig Silverstein <csilvers@google.com>
3499
3500 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3501 Include symbol version in error message.
cd536b21 3502
1d1f116d
CD		 35032008-07-20 Chris Demetriou <cgd@google.com>
3504
cd536b21 3505 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 3506 (RANDOM_SEED_CFLAGS): New substituted variable.
3507 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3508 * configure: Rebuild.
3509 * Makefile.in: Likewise.
3510 * testsuite/Makefile.in: Likewise.
3511
a18f591e
ILT		 35122008-07-18 Ian Lance Taylor <iant@google.com>
3513
3514 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3515 where we see NAME/NULL and NAME/VERSION as separate symbols.
3516 * testsuite/ver_test_main.cc (main): Call t4.
3517 (t4, t4_2a): Define.
3518 * testsuite/ver_test_2.cc (t4_2): Define.
3519 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3520 * testsuite/ver_test_4.cc (t4_2a): Define.
3521 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3522 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3523
c6e3f6ed
ILT		 35242008-07-17 Ian Lance Taylor <iant@google.com>
3525
3526 * dynobj.cc (Versions::add_def): If we give an error about a
3527 missing version, go ahead and create the version anyhow.
3528
ef9beddf
ILT		 35292008-07-10 Ian Lance Taylor <iant@google.com>
3530
3531 Handle output sections with more than 0x7fffffff bytes.
3532 * object.h (class Relobj): Change map_to_output_ to
3533 output_sections_, and just keep a section pointer. Change all
3534 uses. Move comdat group support to Sized_relobj.
3535 (Relobj::is_section_specially_mapped): Remove.
3536 (Relobj::output_section): Remove poff parameter. Change all
3537 callers.
3538 (Relobj::output_section_offset): New function.
3539 (Relobj::set_section_offset): Rewrite.
3540 (Relobj::map_to_output): Remove.
3541 (Relobj::output_sections): New function.
3542 (Relobj::do_output_section_offset): New pure virtual function.
3543 (Relobj::do_set_section_offset): Likewise.
3544 (class Sized_relobj): Add section_offsets_ field. Add comdat
3545 group support from Relobj. Update declarations.
3546 (Sized_relobj::get_output_section_offset): New function.
3547 (Sized_relobj::do_output_section_offset): New function.
3548 (Sized_relobj::do_set_section_offset): New function.
3549 * object.cc (Relobj::output_section_address): Remove.
3550 (Sized_relobj::Sized_relobj): Initialize new fields.
3551 (Sized_relobj::include_section_group): Cast find_kept_object to
3552 Sized_relobj.
3553 (Sized_relobj::include_linkonce_section): Likewise.
3554 (Sized_relobj::do_layout): Use separate arrays for output section
3555 and output offset.
3556 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3557 output_sections.
3558 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3559 output_sections and section_offsets.
3560 (Sized_relobj::write_local_symbols): Likewise.
3561 (map_to_kept_section): Compute output address directly.
3562 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3563 output_sections and section_offsets.
3564 (Sized_relobj::write_sections): Likewise.
3565 (Sized_relobj::relocate_sections): Likewise.
3566 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3567 * output.h (class Output_reloc): Update declarations. Change
3568 u2_.relobj to Sized_relobj*.
3569 (class Output_data_reloc): Change add functions to use
3570 Sized_relobj*.
3571 * output.cc (Output_reloc::Output_reloc): Change relobj to
3572 Sized_relobj*.
3573 (Output_reloc::local_section_offset): Change return type to
3574 Elf_Addr. Use get_output_section_offset.
3575 (Output_reloc::get_address): Likewise.
3576 (Output_section::is_input_address_mapped): Don't call
3577 is_section_specially_mapped.
3578 (Output_section::output_offset): Likewise.
3579 (Output_section::output_address): Likewise.
3580 (Output_section::starting_output_address): Likewise.
3581 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3582 parameter to Sized_relobj*.
3583 (Copy_relocs::need_copy_reloc): Likewise.
3584 (Copy_relocs::save): Likewise.
3585 * copy-relocs.h (class Copy_relocs): Update declarations.
3586 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3587 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3588 * target-reloc.h (relocate_for_relocatable): Change
3589 offset_in_output_section type to Elf_Addr. Change code that uses
3590 it as well.
3591 * layout.cc (Layout::layout): Always set *off.
3592 * mapfile.cc (Mapfile::print_input_section): Use
3593 output_section_offset.
3594 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3595 Sized_relobj*.
3596 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3597 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3598 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3599
5cb66f97
ILT		 36002008-07-03 Ian Lance Taylor <iant@google.com>
3601
3602 * layout.cc (Layout::include_section): Do not discard unrecognized
3603 SHT_STRTAB sections.
3604
afe47622
CS		 36052008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3606
3607 * script.cc (Lex::can_continue_name): Make '?' allowable in
3608 version-script names.
3609 * testsuite/version_script.map: Change glob pattern to use '?'
3610
5adf9721
ILT		 36112008-06-30 Manish Singh <yosh@gimp.org>
3612
3613 PR 6585
3614 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3615 Correct typo.
3616
e6fde208
ILT		 36172008-06-30 Ian Lance Taylor <iant@google.com>
3618
3619 PR 6660
3620 PR 6682
3621 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3622 versions]: Don't try to read the value in the contents, since we
3623 don't use it. Use the template endianness when writing.
3624
3f2e6a2d
CC		 36252008-06-25 Cary Coutant <ccoutant@google.com>
3626
3627 * fileread.cc (File_read::make_view): Assert on zero-length view.
3628 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3629 symbol table when there are no symbols to read.
3630
c43d3a48
CS		 36312008-06-23 Craig Silverstein <csilvers@google.com>
3632
3633 * version.cc (version_string): Bump to 1.7
3634
5f494ea0
CS		 36352008-06-18 Craig Silverstein <csilvers@google.com>
3636
3637 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3638 constant 0xFFFF to type Valtype.
3639 (Powerpc_relocate_functions::rel16_ha): Likewise.
3640
c42e122e
ILT		 36412008-06-17 Ian Lance Taylor <iant@google.com>
3642
f34787f8
ILT		 3643 * output.h (Output_section::Input_section): Initialize p2align_ to
3644 zero for Output_section_data constructors.
3645 (Output_section::Input_section::addralign): If not an input
3646 section, return the alignment of the Output_section_data.
3647 * testsuite/copy_test.cc: New file.
3648 * testsuite/copy_test_1.cc: New file.
3649 * testsuite/copy_test_2.cc: New file.
3650 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3651 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3652 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3653 (copy_test_1_pic.o, copy_test_1.so): New targets.
3654 (copy_test_2_pic.o, copy_test_2.so): New targets.
3655 * testsuite/Makefile.in: Rebuild.
3656
c42e122e
ILT		 3657 * script-sections.cc (Script_sections::place_orphan): Initialize
3658 local variable exact.
3659
ce3ac18a
DE		 36602008-06-13 David Edelsohn <edelsohn@gnu.org>
3661
3662 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3663
42cacb20
DE		 36642008-06-12 David Edelsohn <edelsohn@gnu.org>
3665 David S. Miller <davem@davemloft.net>
3666
3667 * powerpc.cc: New file.
3668 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3669 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3670 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3671 * Makefile.in: Rebuild.
3672
7b308235
ILT		 36732008-06-09 Ian Lance Taylor <iant@google.com>
3674
3675 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3676 <exception>.
3677 (throwing, orig_terminate): New static variables.
3678 (terminate_handler): New static function.
3679 (t2): Set terminate handler.
3680
f0b886e3
ILT		 36812008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3682
3683 PR 6584
cd536b21 3684 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 3685 alignment.
3686
3e90f135
CC		 36872008-05-30 Cary Coutant <ccoutant@google.com>
3688
3689 * archive.cc (Archive::include_all_members) Correct to step
3690 over symbol table and extended name table in thin archives.
3691
e09ad04a
ILT		 36922008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3693
3694 PR 6407
3695 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3696 calculation.
3697
62b01cb5
ILT		 36982008-05-28 Caleb Howe <cshowe@google.com>
3699
3700 * reduced_debug_output.cc: New file.
3701 * reduced_debug_output.h: New file.
92de84a6 3702 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 3703 * options.cc (General_options::finalize): Add strip_debug_non_line
3704 to the strip heirarchy.
3705 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3706 fields.
3707 * layout.cc: Include "reduced_debug_output.h".
3708 (Layout::Layout): Initialize new fields.
3709 (line_only_debug_sections): New static array.
3710 (is_lines_only_debug_sections): New static inline function.
3711 (Layout::include_section): Handle --strip-debug-non-line.
3712 (Layout::make_output_section): If --strip-debug-non-line, build
3713 new output sections for .debug_abbrev and .debug_info.
3714 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3715 gold. Warn about possible overflow.
3716 (read_signed_LEB_128): Likewise.
3717 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3718 (read_signed_LEB_128): Declare.
3719 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3720 (HFILES): Add reduced_debug_output.h.
3721 * Makefile.in: Rebuild.
3722
7d9e3d98
ILT		 37232008-05-21 Ian Lance Taylor <iant@google.com>
3724
3725 * mapfile.cc: New file.
3726 * mapfile.h: New file.
3727 * options.h (class General_options): Add -M/--print-map and -Map.
3728 * options.cc (General_options::finalize): Make -M equivalent to
3729 -Map -.
3730 * main.cc: Include <cstdio> and "mapfile.h".
3731 (main): Open mapfile if requested.
3732 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3733 constructor. Change caller.
3734 (queue_initial_tasks): Add mapfile parameter. Change caller.
3735 (queue_middle_tasks): Likewise.
3736 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3737 declarations.
3738 * archive.cc: Include "mapfile.h".
3739 (Archive::add_symbols): Add mapfile parameter. Change all
3740 callers. Pass mapfile, symbol, and reason to include_member.
3741 (Archive::include_all_members): Add mapfile parameter. Change all
3742 callers.
3743 (Archive::include_member): Add mapfile, sym, and why parameters.
3744 Change all callers. Report inclusion to map file.
3745 * archive.h: Include "fileread.h".
3746 (class Archive): Update declarations.
3747 (Archive::file): New const method.
3748 (class Add_archive_symbols): Add mapfile_ field. Update
3749 constructor. Change all callers.
3750 * readsyms.h (class Read_symbols): Likewise.
3751 (class Finish_group): Likewise.
3752 (class Read_script): Likewise.
3753 * common.cc: Include "mapfile.h".
3754 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3755 all callers.
3756 (Symbol_table::do_allocate_commons): Likewise.
3757 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3758 symbol allocation to mapfile.
3759 * common.h (class Allocate_commons_task): Add mapfile_ field.
3760 Update constructor. Change all callers.
3761 * symtab.h (class Symbol_table): Update declarations.
3762 * layout.cc: Include "mapfile.h".
3763 (Layout_task_runner::run): Print information to mapfile.
3764 (Layout::create_gold_note): Change Output_data_fixed_space to
3765 Output_data_zero_fill.
3766 (Layout::create_build_id): Likewise.
3767 (Layout::print_to_mapfile): New function.
3768 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3769 constructor. Change caller.
3770 (class Layout): Declare print_to_mapfile.
3771 * output.cc (Output_section::Input_section::print_to_mapfile): New
3772 function.
3773 (Output_section::add_input_section): If producing a map, always
3774 add to input_sections_ list.
3775 (Output_section::do_print_to_mapfile): New function.
3776 (Output_segment::print_sections_to_mapfile): New function.
3777 (Output_segment::print_section_list_to_mapfile): New function.
3778 * output.h: Include "mapfile.h".
3779 (Output_data::print_to_mapfile): New function.
3780 (Output_data::do_print_to_mapfile): New virtual function.
3781 (Output_segment_headers::do_print_to_mapfile): New function.
3782 (Output_file_header::do_print_to_mapfile): New function.
3783 (Output_data_const::do_print_to_mapfile): New function.
3784 (class Output_data_const_buffer): Add map_name_ field. Update
3785 constructor. Change all callers. Add do_print_to_mapfile
3786 function.
3787 (class Output_data_fixed_space): Likewise.
3788 (class Output_data_space): Likewise.
3789 (class Output_data_zero_fill): New class.
3790 (Output_data_strtab::do_print_to_mapfile): New function.
3791 (Output_data_reloc_base::do_print_to_mapfile): New function.
3792 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3793 (Output_data_group::do_print_to_mapfile): New function.
3794 (Output_data_got::do_print_to_mapfile): New function.
3795 (Output_data_dynamic::do_print_to_mapfile): New function.
3796 (Output_symtab_xindex::do_print_to_mapfile): New function.
3797 (class Output_section): Declare do_print_to_mapflie. Declare
3798 print_to_mapfile in Input_section.
3799 (class Output_segment): Declare new functions.
3800 * object.h (Sized_relobj::symbol_count): New function.
3801 * script-sections.cc
3802 (Output_section_element_dot_assignment::set_section_addresses):
3803 Change Output_data_fixed_space to Output_data_zero_fill.
3804 (Output_data_expression::do_print_to_mapfile): New function.
3805 * script.cc (read_input_script): Add mapfile parameter. Change
3806 all callers.
3807 * script.h (read_input_script): Update declaration.
3808 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3809 (Eh_frame::do_print_to_mapfile): New function.
3810 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3811 (Output_merge_string::do_print_to_mapfile): New function.
3812 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3813 function.
3814 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3815 function.
3816 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3817 function.
3818 * Makefile.am (CCFILES): Add mapfile.cc.
3819 (HFILES): Add mapfile.h.
3820 * Makefile.in: Rebuild.
3821
9f1d377b
ILT		 38222008-05-19 Ian Lance Taylor <iant@google.com>
3823
3824 * options.h (class General_options): Add -z relro.
3825 * layout.cc (Layout::Layout): Initialize relro_segment_.
3826 (Layout::add_output_section_data): Return the output section.
3827 (Layout::make_output_section): Rcognize relro sections and mark
3828 them appropriately.
3829 (Layout::attach_allocated_section_to_segment): Put relro sections
3830 in a PT_GNU_RELRO segment.
3831 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3832 section as relro.
3833 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3834 PT_TLS segments.
3835 (Layout::linkonce_mapping): Map d.rel.ro.local to
3836 .data.rel.ro.local.
3837 (Layout::output_section_name): Us .data.rel.ro.local for any
3838 section which begins with that.
3839 * layout.h (class Layout): Update add_output_section_data
3840 declaration. Add relro_segment_ field.
3841 * output.cc (Output_section::Output_section): Initialize is_relro_
3842 and is_relro_local_ fields.
3843 (Output_segment::add_output_section): Group relro sections.
3844 (Output_segment::is_first_section_relro): New function.
3845 (Output_segment::maximum_alignment): If there is a relro section,
3846 align the segment to the common page size.
3847 (Output_segment::set_section_addresses): Track whether we are
3848 looking at relro sections. If the last section is a relro
3849 section, align to the common page size.
3850 (Output_segment::set_section_list_addresses): Add in_relro
3851 parameter. Change all callers. Align to the page size when
3852 moving from relro to non-relro section.
3853 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3854 segment.
3855 * output.h (class Output_section): Add is_relro_ and
3856 is_relro_local_ fields.
3857 (Output_section::is_relro): New function.
3858 (Output_section::set_is_relro): New function.
3859 (Output_section::is_relro_local): New function.
3860 (Output_section::set_is_relro_local): New function.
3861 (class Output_segment): Update declarations.
3862 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3863 * sparc.cc (Target_sparc::got_section): Likewise.
3864 * x86_64.cc (Target_x86_64::got_section): Likewise.
3865 * testsuite/relro_test_main.cc: New file.
3866 * testsuite/relro_test.cc: New file.
3867 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3868 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3869 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3870 (relro_test.so, relro_test_pic.o): New targets.
3871 * testsuite/Makefile.in: Rebuild.
3872
a984ee1d
ILT		 38732008-05-16 Ian Lance Taylor <iant@google.com>
3874
01676dcd
ILT		 3875 * output.cc (Output_segment::add_output_section): Remove front
3876 parameter.
3877 * output.h (class Output_segment): Remove
3878 add_initial_output_section and overloaded add_output_section.
3879 Update declaration of remaining add_output_section.
3880 * layout.cc (Layout::create_interp): Call add_output_section
3881 rather than add_initial_output_section.
3882 (Layout::finish_dynamic_section): Likewise.
3883
497897f9
ILT		 3884 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3885 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3886 know the dynamic type.
3887 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3888 field. Initialize it in constructor.
3889 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3890 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3891 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3892 reloc.
3893
a984ee1d
ILT		 3894 * output.cc (Output_reloc::get_address): Change return type to
3895 Elf_Addr.
3896 * output.h (class Output_reloc): Update get_address declaration.
3897 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3898 for section addresses.
3899
55ba0940
ILT		 39002008-05-09 Ian Lance Taylor <iant@google.com>
3901
3902 PR 6493
3903 * gold.cc (gold_nomem): Use return value of write.
3904
75517b77
ILT		 39052008-05-08 Ian Lance Taylor <iant@google.com>
3906
3907 * symtab.c (Symbol::init_base_output_data): Add version
3908 parameter. Change all callers.
3909 (Symbol::init_base_output_segment): Likewise.
3910 (Symbol::init_base_constant): Likewise.
3911 (Symbol::init_base_undefined): Likewise.
3912 (Sized_symbol::init_output_data): Likewise.
3913 (Sized_symbol::init_output_segment): Likewise.
3914 (Sized_symbol::init_constant): Likewise.
3915 (Sized_symbol::init_undefined): Likewise.
3916 (Symbol_table::do_define_in_output_data): If the new symbol has a
3917 version, mark it as the default.
3918 (Symbol_table::do_define_in_output_segment): Likewise.
3919 (Symbol_table::do_define_as_constant): Likewise.
3920 * symtab.h (class Symbol): Update declarations.
3921 (class Sized_symbol): Likewise.
3922 * resolve.cc (Symbol::override_version): New function.
c42e122e 3923 (Symbol::override_base): Call override_version.
75517b77
ILT		 3924 (Symbol::override_base_with_special): Likewise.
3925 * testsuite/ver_script_8.script: New file.
3926 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3927 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3928 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3929 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3930
f1f70eae
ILT		 39312008-05-06 Ian Lance Taylor <iant@google.com>
3932
f3e9c5c5
ILT		 3933 PR 6049
3934 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3935 functions.
3936 (class General_options): Remove existing --undefined, and add
3937 --no-undefined instead. Add new --undefined as synonym for -u.
3938 * archive.cc (Archive::add_symbols): Check whether symbol was
3939 named with -u.
3940 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3941 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3942 all uses. Add IS_UNDEFINED. Update declarations to split
3943 different versions of init_base. Declare init_base_undefined.
3944 (Symbol::is_defined): Handle IS_UNDEFINED.
3945 (Symbol::is_undefined): Likewise.
3946 (Symbol::is_weak_undefined): Call is_undefined.
3947 (Symbol::is_absolute): Handle IS_CONSTANT.
3948 (class Sized_symbol): Update declarations to split different
3949 versions of init. Declare init_undefined.
3950 (class Symbol_table): Declare new functions.
3951 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3952 Change all callers.
3953 (Symbol::init_base_output_data): Likewise.
3954 (Symbol::init_base_output_segment): Likewise.
3955 (Symbol::init_base_constant): Likewise.
3956 (Symbol::init_base_undefined): New function.
3957 (Sized_symbol::init_object): Rename from init. Change all
3958 callers.
3959 (Sized_symbol::init_output_data): Likewise.
3960 (Sized_symbol::init_output_segment): Likewise.
3961 (Sized_symbol::init_constant): Likewise.
3962 (Sized_symbol::init_undefined): New function.
3963 (Symbol_table::add_undefined_symbols_from_command_line): New
3964 function.
3965 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3966 function.
3967 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3968 (Symbol::output_section): Likewise.
3969 (Symbol::set_output_section): Likewise.
3970 (Symbol_table::sized_finalize_symbol): Likewise.
3971 (Symbol_table::sized_write_globals): Likewise.
3972 * resolve.cc (Symbol_table::should_override): Likewise.
3973 (Symbol::override_base_with_special): Likewise.
3974
8bdcdf2c
ILT		 3975 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3976 symbol, change it to have default visibility.
3977 * testsuite/protected_1.cc: New file.
3978 * testsuite/protected_2.cc: New file.
3979 * testsuite/protected_3.cc: New file.
3980 * testsuite/protected_main_1.cc: New file.
3981 * testsuite/protected_main_2.cc: New file.
3982 * testsuite/protected_main_3.cc: New file.
3983 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3984 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3985 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3986 (protected_1.so): New target.
3987 (protected_1_pic.o, protected_2_pic.o): New targets.
3988 (protected_3_pic.o): New target.
3989 (check_PROGRAMS): Add protected_2.
3990 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3991 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3992 * testsuite/Makefile.in: Rebuild.
3993
2b706932
ILT		 3994 * options.h (DEFINE_var): Add set_user_set_##varname__.
3995 (DEFINE_bool_alias): New macro.
3996 (class General_options): Define -Bstatic using DEFINE_bool_alias
3997 rather than DEFINE_special. Add --undefined as an alias for -z
3998 defs.
3999 * options.cc (General_options::parse_Bstatic): Remove.
4000
d82a5bcc
ILT		 4001 * options.h (class General_options): Add --fatal-warnings.
4002 * main.cc (main): Implement --fatal-warnings.
4003 * errors.h (Errors::warning_count): New function.
4004
f1f70eae
ILT		 4005 * options.h (class General_options): Add -Bsymbolic-functions.
4006 * symtab.h (Symbol::is_preemptible): Check for
4007 -Bsymbolic-functions.
4008
8825ac63
ILT		 40092008-05-05 Ian Lance Taylor <iant@google.com>
4010
d98bc257
ILT		 4011 * options.h (DEFINE_bool): For DASH_Z, create the negative option
4012 as noVARNAME rather than no-VARNAME.
4013 (class General_options): Add option -z combreloc.
4014 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4015 get_address.
4016 (Output_reloc::sort_before) [SHT_REL]: New function.
4017 (Output_reloc::sort_before) [SHT_RELA]: New function.
4018 (class Output_data_reloc_base): Add sort_relocs_ field. Define
4019 Sort_relocs_comparison.
4020 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4021 parameter. Change all callers.
4022 (Output_data_reloc::Output_data_reloc) [both versions]: Add
4023 sort_relocs parameter. Change all callers.
4024 * output.cc (Output_reloc::get_address): New function, broken out
4025 of write_rel.
4026 (Output_reloc::write_rel): Call it.
4027 (Output_reloc::compare): New function.
4028 (Output_data_reloc_base::do_write): Optionally sort relocs.
4029
60b2b4e7
ILT		 4030 * configure.ac: If targ_extra_obj is set, link it in.
4031 * configure.tgt: Initialize all variables.
4032 (x86_64*): Set targ_extra_obj and targ_extra_size.
4033 * configure: Rebuild.
4034
8825ac63
ILT		 4035 * object.cc (Sized_relobj::include_section_group): Adjust section
4036 indexes read from group data. Build vector to pass to
4037 layout_group.
4038 * layout.cc (Layout::layout_group): Add flags and shndxes
4039 parameters. Remove contents parameter. Change caller. Update
4040 explicit instantiations.
4041 * layout.h (class Layout): Update layout_group declaration.
4042 * output.cc (Output_data_group::Output_data_group): Add flags and
4043 input_shndxes parameters. Remove contents parameter. Change
4044 caller.
4045 (Output_data_group::do_write): Change input_sections_ to
4046 input_shndxes_.
4047 * output.h (class Output_data_group): Update constructor
4048 declaration. Rename input_sections_ to input_shndxes_.
4049 * testsuite/many_sections_test.cc: Add template.
4050
e94cf127
CC		 40512008-04-30 Cary Coutant <ccoutant@google.com>
4052
4418b2d5
CC		 4053 * target-reloc.h (relocate_section): Fix dead-pointer bug.
4054
e94cf127
CC		 4055 * layout.cc (Layout::include_section): Refactored check for debug
4056 info section.
4057 (Layout::add_comdat): Add new parameters. Change type
4058 of signature parameter. Add object and shndx to signatures table.
4059 (Layout::find_kept_object): New function.
4060 * layout.h: Include <cstring>.
4061 (Layout::is_debug_info_section): New function.
4062 (Layout::add_comdat): Add new parameters.
4063 (Layout::find_kept_object): New function.
4064 (Layout::Kept_section): New struct.
4065 (Layout::Signatures): Change type of map range.
4066 * object.cc (Relobj::output_section_address): New function.
4067 (Sized_relobj::include_section_group): Add new parameters. Change
4068 calls to Layout::add_comdat. Change to build table of kept comdat
4069 groups and table mapping discarded sections to kept sections.
4070 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
4071 (Sized_relobj::do_layout): Change calls to include_section_group and
4072 include_linkonce_section.
4073 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4074 value to zero when section is discarded.
4075 (Sized_relobj::map_to_kept_section): New function.
4076 * object.h (Relobj::output_section_address): New function.
4077 (Relobj::Comdat_group): New type.
4078 (Relobj::find_comdat_group): New function.
4079 (Relobj::Comdat_group_table): New type.
4080 (Relobj::Kept_comdat_section): New type.
4081 (Relobj::Kept_comdat_section_table): New type.
4082 (Relobj::add_comdat_group): New function.
4083 (Relobj::set_kept_comdat_section): New function.
4084 (Relobj::get_kept_comdat_section): New function.
4085 (Relobj::comdat_groups_): New field.
4086 (Relobj::kept_comdat_sections_): New field.
4087 (Symbol_value::input_value): Update comment.
4088 (Sized_relobj::map_to_kept_section) New function.
4089 (Sized_relobj::include_linkonce_section): Add new parameter.
4090 * target-reloc.h (Comdat_behavior): New type.
4091 (get_comdat_behavior): New function.
4092 (relocate_section): Add code to map a discarded section to the
4093 corresponding kept section when applying a relocation.
4094
e4e5049b
CS		 40952008-04-30 Craig Silverstein <csilvers@google.com>
4096
4097 * dwarf_reader.cc (next_generation_count): New static var.
4098 (Addr2line_cache_entry): New struct.
4099 (addr2line_cache): New static var.
4100 (Dwarf_line_info::one_addr2line): Added caching.
4101 (Dwarf_line_info::clear_addr2line_cache): New function.
4102 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4103 cache-size parameter.
4104 (Dwarf_line_info::one_addr2line_cache): New function.
4105 * symtab.cc (Symbol_table::detect_odr_violations): Pass
4106 new cache-size argument to one_addr2line(), and clear cache.
4107
d09e9154
CC		 41082008-04-28 Cary Coutant <ccoutant@google.com>
4109
4110 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4111 R_386_PC8 relocations.
4112
7ef73768
ILT		 41132008-04-23 Ian Lance Taylor <iant@google.com>
4114
55438702
ILT		 4115 * object.cc (Sized_relobj::include_section_group): Check for
4116 invalid section group.
4117
c165fb93
ILT		 4118 * object.cc (make_elf_object): Correct test for 64-bit ELF file
4119 header size.
4120
7ef73768
ILT		 4121 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4122 than read for file header.
4123 * archive.cc (Archive::include_member): Likewise.
4124
6194aaab
L		 41252008-04-23 Paolo Bonzini <bonzini@gnu.org>
4126
4127 * aclocal.m4: Regenerate.
4128 * configure: Regenerate.
4129
d491d34e
ILT		 41302008-04-19 Ian Lance Taylor <iant@google.com>
4131
5ea2bac6
ILT		 4132 * version.cc (version_string): Bump to 1.6.
4133
7bc3e21a
ILT		 4134 * testsuite/Makefile.am (many_sections_r_test): New target.
4135 (many_sections_r_test_SOURCES): Remove.
4136 (many_sections_r_test_DEPENDENCIES): Remove.
4137 (many_sections_r_test_LDFLAGS): Remove.
4138 (many_sections_r_test_LDADD): Remove.
4139
7fcd3aa9
ILT		 4140 * object.cc (Sized_relobj::do_add_symbols): Always pass
4141 local_symbol_count_ to add_from_relobj.
4142
4c94d6ae
ILT		 4143 * testsuite/Makefile.am (many_sections_check.h): Only check one in
4144 every thousand variables.
4145 * testsuite/Makefile.in: Rebuild.
4146
d491d34e
ILT		 4147 * object.cc (Xindex::initialize_symtab_xindex): New function.
4148 (Xindex::read_symtab_xindex): New function.
4149 (Xindex::sym_xindex_to_shndx): New function.
4150 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4151 available.
4152 (Sized_relobj::do_initialize_xindex): New function.
4153 (Sized_relobj::do_read_symbols): Adjust section links.
4154 (Sized_relobj::symbol_section_and_value): Add is_ordinary
4155 parameter. Change all callers.
4156 (Sized_relobj::include_section_group): Adjust section links and
4157 symbol section indexes.
4158 (Sized_relobj::do_layout): Adjust section links.
4159 (Sized_relobj::do_count_local_symbols): Adjust section links and
4160 symbol section indexes.
4161 (Sized_relobj::do_finalize_local_symbols): Distinguish between
4162 ordinary and special symbols.
4163 (Sized_relobj::write_local_symbols): Add symtab_xindex and
4164 dynsym_xindex parameters. Change all callers. Adjust section
4165 links. Use SHN_XINDEX when needed.
4166 (Sized_relobj::get_symbol_location_info): Adjust section links.
4167 Don't get fooled by special symbols.
4168 * object.h (class Xindex): Define.
4169 (class Object): Add xindex_ parameter. Declare virtual functoin
4170 do_initialize_xindex.
4171 (Object::adjust_sym_shndx): New function.
4172 (Object::set_xindex): New protected function.
4173 (class Symbol_value): Add is_ordinary_shndx_ field.
4174 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4175 (Symbol_value::value): Assert ordinary section.
4176 (Symbol_value::initialize_input_to_output_map): Likewise.
4177 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4178 Change all callers.
4179 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
4180 all callers.
4181 (class Sized_relobj): Update declarations.
4182 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4183 parameter. Change all callers.
4184 (Sized_relobj::adjust_shndx): New function.
4185 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4186 field.
4187 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4188 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
4189 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
4190 (Sized_dynobj::read_dynsym_section): Adjust section links.
4191 (Sized_dynobj::read_dynamic): Likewise.
4192 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
4193 section links.
4194 (Sized_dynobj::do_initialize_xindex): New function.
4195 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
4196 do_initialize_xindex.
4197 (Sized_dynobj::adjust_shndx): New function.
4198 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4199 dynsym_xindex_ fields.
4200 (Layout::finalize): Add a call to set_section_indexes before
4201 creating the symtab sections.
4202 (Layout::set_section_indexes): Don't do anything if the section
4203 already has a section index.
4204 (Layout::create_symtab_sections): Add shnum parameter. Change
4205 caller. Create .symtab_shndx section if needed.
4206 (Layout::create_shdrs): Add shstrtab_section parameter. Change
4207 caller.
4208 (Layout::allocated_output_section_count): New function.
4209 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4210 needed.
4211 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4212 fields. Update declarations.
4213 (Layout::symtab_xindex): New function.
4214 (Layout::dynsym_xindex): New function.
4215 (class Write_symbols_task): Add layout_ field.
4216 (Write_symbols_task::Write_symbols_task): Add layout parameter.
4217 Change caller.
4218 * output.cc (Output_section_headers::Output_section_headers): Add
4219 shstrtab_section parameter. Change all callers.
4220 (Output_section_headers::do_sized_write): Store overflow values
4221 for section count and section string table section index in
4222 section header zero.
4223 (Output_file_header::do_sized_write): Check for overflow of
4224 section count and section string table section index.
4225 (Output_symtab_xindex::do_write): New function.
4226 (Output_symtab_xindex::endian_do_write): New function.
4227 * output.h (class Output_section_headers): Add shstrtab_section_.
4228 Update declarations.
4229 (class Output_symtab_xindex): Define.
4230 (Output_section::has_out_shndx): New function.
4231 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4232 field.
4233 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4234 Change all callers.
4235 (Sized_symbol::init): Likewise.
4236 (Symbol::output_section): Check for ordinary symbol.
4237 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
4238 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
4239 callers.
4240 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4241 Change all callers. Simplify handling of symbols from sections
4242 not included in the link.
4243 (Symbol_table::add_from_dynobj): Handle ordinary symbol
4244 distinction.
4245 (Weak_alias_sorter::operator()): Assert that symbols are
4246 ordinary.
4247 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4248 distinction.
4249 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4250 parameters. Change all callers.
4251 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
4252 symbol distinction. Use SHN_XINDEX when needed.
4253 (Symbol_table::write_section_symbol): Add symtab_xindex
4254 parameter. Change all callers.
4255 (Symbol_table::sized_write_section_symbol): Likewise. Use
4256 SHN_XINDEX when needed.
4257 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
4258 declarations.
4259 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
4260 (Symbol::is_defined): Check is_ordinary.
4261 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4262 (Symbol::is_absolute, Symbol::is_common): Likewise.
4263 (class Sized_symbol): Update declarations.
4264 (class Symbol_table): Update declarations.
4265 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4266 parameters. Change all callers.
4267 (Sized_symbol::override): Likewise.
4268 (Symbol_table::override): Likewise.
4269 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
4270 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
4271 is_ordinary, and orig_st_shndx parameters. Change all callers.
4272 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4273 to be in an ordinary section.
4274 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4275 object and is_ordinary parameters. Change all callers.
4276 (Sized_dwarf_line_info::read_relocs): Add object parameter.
4277 Change all callers. Don't add undefined or non-ordinary symbols
4278 to reloc_map_.
4279 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4280 Change all callers.
4281 * dwarf_reader.h (class Sized_dwarf_line_info): Update
4282 declarations.
4283 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4284 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4285 (Sized_relobj::relocate_sections): Likewise.
4286 * target-reloc.h (scan_relocs): Adjust section symbol index.
4287 (scan_relocatable_relocs): Likewise.
4288 * i386.cc (Scan::local): Check for ordinary symbols.
4289 * sparc.cc (Scan::local): Likewise.
4290 * x86_64.cc (Scan::local): Likewise.
4291 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4292 to symbol_section_and_value.
4293 * testsuite/many_sections_test.cc: New file.
4294 * testsuite/Makefile.am (BUILT_SOURCES): Define.
4295 (check_PROGRAMS): Add many_sections_test.
4296 (many_sections_test_SOURCES): Define.
4297 (many_sections_test_DEPENDENCIES): Define.
4298 (many_sections_test_LDFLAGS): Define.
4299 (BUILT_SOURCES): Add many_sections_define.h.
4300 (many_sections_define.h): New target.
4301 (BUILT_SOURCES): Add many_sections_check.h.
4302 (many_sections_check.h): New target.
4303 (check_PROGRAMS): Add many_sections_r_test.
4304 (many_sections_r_test_SOURCES): Define.
4305 (many_sections_r_test_DEPENDENCIES): Define.
4306 (many_sections_r_test_LDFLAGS): Define.
4307 (many_sections_r_test_LDADD): Define.
4308 (many_sections_r_test.o): New target.
4309 * testsuite/Makefile.in: Rebuild.
4310
c5818ff1
CC		 43112008-04-17 Cary Coutant <ccoutant@google.com>
4312
4313 * errors.cc (Errors::info): New function.
4314 (gold_info): New function.
4315 * errors.h (Errors::info): New function.
4316 * gold.h (gold_info): New function.
4317 * object.cc (Input_objects::add_object): Print trace output.
4318 * options.cc (options::parse_set): New function.
4319 (General_options::parse_wrap): Deleted.
4320 (General_options::General_options): Deleted initializer.
4321 * options.h (options::String_set): New typedef.
4322 (options::parse_set): New function.
4323 (DEFINE_set): New macro.
4324 (General_options::wrap): Changed to use DEFINE_set. Changed
4325 callers of any_wrap_symbols and is_wrap_symbol.
4326 (General_options::trace, General_options::trace_symbol):
4327 New options.
4328 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4329 (General_options::wrap_symbols_): Deleted.
4330 * symtab.cc (Symbol_table::add_from_object): Print trace output.
4331
b5be4a7c
DM		 43322008-04-17 David S. Miller <davem@davemloft.net>
4333
4334 * options.cc (General_options::parse_V): New function.
4335 * options.h: Add entries for -V and -Qy.
4336
155a0dd7
ILT		 43372008-04-17 Ian Lance Taylor <iant@google.com>
4338
4339 * common.cc (Symbol_table::allocate_commons): Remove options
4340 parameter. Change caller.
4341 (Symbol_table::do_allocate_commons): Remove options parameter.
4342 Change caller. Just call do_allocate_commons_list twice.
4343 (Symbol_table::do_allocate_commons_list): New function, broken out
4344 of do_allocate_commons.
4345 * common.h (class Allocate_commons_task): Remove options_ field.
4346 Update constructor.
4347 * symtab.cc (Symbol_table::Symbol_table): Initialize
4348 tls_commons_.
4349 (Symbol_table::add_from_object): Put TLS common symbols on
4350 tls_commons_ list.
4351 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4352 which are IN_OUTPUT_DATA.
4353 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
4354 allocate_commons and do_allocate_commons declarations. Declare
4355 do_allocate_commons_list.
4356 * gold.cc (queue_middle_tasks): Update creation of
4357 Allocate_commons_task to not pass options.
4358 * testsuite/Makefile.am (INCLUDES): Add -I.. .
4359 (TLS_TEST_C_FLAGS): New variable.
4360 (tls_test_c_pic.o): New target.
4361 (tls_test_shared.so): Link in tls_test_c_pic.o.
4362 (tls_test_c_pic_ie.o): New target.
4363 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4364 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4365 (tls_test_c.o): New target.
4366 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4367 (tls_pic_test_LDADD): Likewise.
4368 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4369 (tls_shared_gd_to_ie_test_LDADD): Likewise.
4370 (tls_test_c_gnu2.o): New target.
4371 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4372 tls_test_c_gnu2.o.
4373 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4374 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4375 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4376 * testsuite/tls_test.cc: Include "config.h".
4377 (t_last): Call t11_last.
4378 * testsuite/tls_test.h (t11, t11_last): Declare.
4379 * testsuite/tls_test_c.c: New file.
4380 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4381 * configure.ac: Check for OpenMP support.
4382 * configure, config.in, Makefile.in: Rebuild.
4383 * testsuite/Makefile.in: Rebuild.
4384
edfbb029
CC		 43852008-04-16 Cary Coutant <ccoutant@google.com>
4386
4387 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4388 (Target_i386::tls_base_symbol_defined_): New field.
4389 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4390 (Target_i386::Scan::global): Likewise.
4391 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4392 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4393 (Target_x86_64::tls_base_symbol_defined_): New field.
4394 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4395 (Target_x86_64::Scan::global): Likewise.
4396
f3c69fca
CC		 43972008-04-16 Cary Coutant <ccoutant@google.com>
4398
4399 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4400 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4401 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4402 building shared libraries.
4403 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4404 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4405 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4406 * testsuite/Makefile.in: Rebuild.
4407 * testsuite/weak_undef.h: New file.
4408 * testsuite/weak_undef_file1.cc: Add extra test cases.
4409 * testsuite/weak_undef_file2.cc: Likewise.
4410 * testsuite/weak_undef_test.cc: Likewise.
4411
7c414435
DM		 44122008-04-16 David S. Miller <davem@davemloft.net>
4413
32b769e1
DM		 4414 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4415 Add issued_non_pic_error_ field. Declare check_non_pic.
4416 (Target_sparc::Scan::check_non_pic): New function.
4417 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4418 (Target_sparc::Scan::global): Likewise.
4419
11936fb1
DM		 4420 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4421 * configure: Rebuild.
4422
7c414435
DM		 4423 * options.h (DEFINE_enable): New macro.
4424 (new_dtags): New enable option.
4425 (initfirst, interpose, loadfltr, nodefaultlib,
4426 nodelete, nodlopen, nodump): New -z options.
4427 * layout.cc (Layout:finish_dynamic_section): If new
4428 dtags enabled, emit DT_RUNPATH. Also, emit a
4429 DT_FLAGS_1 containing any specified -z flags.
4430
85c7bf8b
ILT		 44312008-04-16 Ian Lance Taylor <iant@google.com>
4432
12c0daef
ILT		 4433 * copy-relocs.cc: New file.
4434 * copy-relocs.h: New file.
4435 * reloc.cc: Remove Copy_relocs code.
4436 * reloc.h: Likewise.
4437 * reloc-types.h (struct Reloc_types) [both versions]: Add
4438 get_reloc_addend_noerror.
4439 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4440 variants of add_global which take an addend which must be zero.
4441 * i386.cc: Include "copy-relocs.h".
4442 (class Target_i386): Change type of copy_relocs_ to variable,
4443 update initializer.
4444 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4445 Change all callers.
4446 (Target_i386::do_finalize_sections): Change handling of
4447 copy_relocs_.
4448 * sparc.cc: Include "copy-relocs.h".
4449 (class Target_sparc): Change type of copy_relocs_ to variable,
4450 update initializer.
4451 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4452 Change all callers.
4453 (Target_sparc::do_finalize_sections): Change handling of
4454 copy_relocs_.
4455 * x86_64.cc: Include "copy-relocs.h".
4456 (class Target_x86_64): Change type of copy_relocs_ to variable,
4457 update initializer.
4458 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4459 class. Change all callers.
4460 (Target_x86_64::do_finalize_sections): Change handling of
4461 copy_relocs_.
4462 * Makefile.am (CCFILES): Add copy-relocs.cc.
4463 (HFILES): Add copy-relocs.h.
4464
4f4995b6
ILT		 4465 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4466
85c7bf8b
ILT		 4467 * testsuite/script_test_4.sh: Permit leading zeroes.
4468
4f2a9edd
ILT		 44692008-04-15 Ian Lance Taylor <iant@google.com>
4470
e6188289
ILT		 4471 * script-sections.cc (Script_sections::create_segments): Use
4472 header_size_adjustment even when there is enough room for the
4473 headers.
4474 * testsuite/script_test_4.sh: New file.
4475 * testsuite/script_test_4.t: New file.
4476 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4477 (check_DATA): Add script_test_4.stdout.
4478 (MOSTLYCLEANFILES): Likewise.
4479 (script_test_4): New target.
4480 (script_test_4.stdout): New target.
4481 * testsuite/Makefile.in: Rebuild.
4482
4f2a9edd
ILT		 4483 * sparc.cc: Add definitions for Output_data_plt_sparc class
4484 constants.
4485
f5314dd5
DM		 44862008-04-14 David S. Miller <davem@davemloft.net>
4487
4488 * sparc.cc: New file.
4489 * Makefile.am (TARGETSOURCES): Add sparc.cc
4490 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4491 * configure.tgt: Document targ_extra_size and
4492 targ_extra_big_endian. Add entries for sparc-* and
4493 sparc64-*.
4494 * configure.ac: Handle targ_extra_size and
4495 targ_extra_big_endian.
4496 * Makefile.in: Rebuild.
4497 * configure: Likewise.
4498 * po/POTFILES.in: Likewise.
4499 * po/gold.pot: Likewise.
4500
154e0e9a
ILT		 45012008-04-14 Ian Lance Taylor <iant@google.com>
4502
4503 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4504 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4505 in the name/type/flags to section mapping. Don't call
4506 allocate_output_section.
4507 (Layout::choose_output_section): Change parameter from adjust_name
4508 to is_input_section. Don't permit input sections after sections
4509 are attached to segments. Don't call allocate_output_section.
4510 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4511 not write_enable_output_section.
4512 (Layout::make_output_section): Don't push to
4513 unattached_section_list_ nor call attach_to_segment. Call
4514 attach_section_to_segment if sections are attached.
4515 (Layout::attach_sections_to_segments): New function.
4516 (Layout::attach_section_to_segment): New function.
4517 (Layout::attach_allocated_section_to_segment): Rename from
4518 attach_to_segment. Remove flags parameter.
4519 (Layout::allocate_output_section): Remove function.
4520 (Layout::write_enable_output_section): Remove function.
4521 * layout.h (class Layout): Update for above changes. Add new
4522 field sections_are_attached_.
4523 * output.h (Output_section::update_flags_for_input_section): New
4524 function.
4525 * output.cc (Output_section::add_input_section): Call
4526 update_flags_for_input_section.
4527 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4528
009a67a2
CC		 45292008-04-11 Cary Coutant <ccoutant@google.com>
4530
4531 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4532 thought unnecessary.
4533 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4534
759b1a24
ILT		 45352008-04-11 Ian Lance Taylor <iant@google.com>
4536
4537 * output.h (class Output_section_data): Remove inline definition
4538 of set_addralign.
4539 * output.cc (Output_section_data::set_addralign): New function.
4540
c2b45e22
CC		 45412008-04-11 Cary Coutant <ccoutant@google.com>
4542
4543 Add support for TLS descriptors for i386 and x86_64.
4544 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4545 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4546 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4547 GOT_TYPE_TLS_DESC.
4548 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4549 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4550 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4551 relocations.
4552 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4553 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4554 Fix problem with initial-exec relocations.
4555 (Target_i386::Relocate::relocate_tls): Likewise.
4556 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4557 relaxation.
4558 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4559 support for section-plus-offset dynamic table entries.
4560 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4561 (Output_data_dynamic::Dynamic_entry): Add support for
4562 section-plus-offset dynamic table entries.
4563 (Output_data_dynamic::Classification): Likewise.
4564 (Output_data_dynamic::classification_): Renamed offset_.
4565 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4566 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4567 (Target_x86_64::make_plt_section): New function.
4568 (Target_x86_64::reserve_tlsdesc_entries): New function.
4569 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4570 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4571 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4572 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4573 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4574 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4575 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4576 add extra PLT entry for TLS descriptors.
4577 (Output_data_plt_x86_64::got_): New field.
4578 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4579 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4580 fields.
4581 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4582 descriptors.
4583 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4584 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4585 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4586 R_386_TLS_DESC_CALL relocations.
4587 (Target_x86_64::Scan::global): Likewise.
4588 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4589 for TLS descriptors.
4590 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4591 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4592 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4593 GD-to-IE relaxation.
4594 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4595 and TLS_DESCRIPTORS.
4596 * Makefile.in: Rebuild.
4597 * configure: Rebuild.
4598 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4599 (tls_test_shared2.so): New target.
4600 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4601 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4602 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4603 (tls_shared_gd_to_ie_test_LDADD): New variable.
4604 (tls_shared_gnu2_gd_to_ie_test): New target.
4605 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4606 New targets.
4607 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4608 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4609 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4610 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4611 (tls_shared_gnu2_test): New target.
4612 (tls_test_gnu2_shared.so): New target.
4613 (tls_shared_gnu2_test_SOURCES): New variable.
4614 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4615 (tls_shared_gnu2_test_LDFLAGS): New variable.
4616 (tls_shared_gnu2_test_LDADD): New variable.
4617 * testsuite/Makefile.in: Rebuild.
4618 * testsuite/Makefile.
4619
83bfb6b7
ILT		 46202008-04-11 Ian Lance Taylor <iant@google.com>
4621
4622 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4623 justsyms.t.
4624 * testsuite/Makefile.in: Rebuild.
4625
4626 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4627 long.
4628 * testsuite/script_test_2.cc (main): Adjust test.
4629
706e1f5e
ILT		 46302008-04-11 David S. Miller <davem@davemloft.net>
4631 Ian Lance Taylor <iant@google.com>
4632
4633 * options.h (General_options): Add entries for '-Y' and
4634 '-relax'.
4635 * options.cc (General_options:finalize): If -Y was used, add those
4636 entries to the library path instead of the default "/lib" and
4637 "/usr/lib".
4638
7c98e6bb
DM		 46392008-04-11 David S. Miller <davem@davemloft.net>
4640
4641 * testsuite/justsyms.t: Start at 0x100.
4642 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 4643 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4644 long.
4645 * testsuite/script_test_2.cc: Adjust string and section length
4646 checks.
7c98e6bb 4647
99a37bfd
ILT		 46482008-04-09 Ian Lance Taylor <iant@google.com>
4649
2cefc357
ILT		 4650 PR gold/5996
4651 * script-sections.cc (Sections_element::allocate_to_segment): Add
4652 orphan parameter.
4653 (Output_section_definition::allocate_to_segment): Likewise.
4654 (Orphan_output_section::allocate_to_segment): Likewise.
4655 (Script_sections::attach_sections_using_phdrs_clause): Don't
4656 propagate non-PT_LOAD segments to orphan sections.
4657 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4658 readelf rather than objdump.
4659 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4660 .interp section and PT_INTERP segment are the same size.
4661 * testsuite/Makefile.in: Rebuild.
4662
99a37bfd
ILT		 4663 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4664 aliases for symbols defined in the same object.
4665 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4666 (weak_alias_test_SOURCES): New variable.
4667 (weak_alias_test_DEPENDENCIES): New variable.
4668 (weak_alias_test_LDFLAGS): New variable.
4669 (weak_alias_test_LDADD): New variable.
4670 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4671 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4672 (weak_alias_test_3.o): New target.
4673 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4674 * testsuite/weak_alias_test_main.cc: New file.
4675 * testsuite/weak_alias_test_1.cc: New file.
4676 * testsuite/weak_alias_test_2.cc: New file.
4677 * testsuite/weak_alias_test_3.cc: New file.
4678
780e49c5
ILT		 46792008-04-08 Ian Lance Taylor <iant@google.com>
4680
cdb0b8f5
ILT		 4681 * options.h (class General_options): Add --noinhibit-exec option.
4682 * main.cc (main): Check --noinhibit-exec.
4683
0864d551
ILT		 4684 * options.h (class General_options): Define --wrap as a special
4685 option. Add wrap_symbols_ field.
4686 (General_options::any_wrap_symbols): New function.
4687 (General_options::is_wrap_symbol): New function.
4688 * options.cc (General_options::parse_wrap): New function.
4689 (General_options::General_options): Initialize wrap_symbols_.
4690 * symtab.cc (Symbol_table::wrap_symbol): New function.
4691 (Symbol_table::add_from_object): Handle --wrap.
4692 * symtab.h (class Symbol_table): Declare wrap_symbol.
4693 * target.h (Target::wrap_char): New function.
4694 (Target::Target_info): Add wrap_char field.
4695 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4696 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4697 * testsuite/testfile.cc (Target_test::test_target_info):
4698 Likewise.
4699
789aa6de
ILT		 4700 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4701 there is one.
4702
2c38906f
ILT		 4703 * layout.h (class Layout): Add added_eh_frame_data_ field.
4704 * layout.cc (Layout::Layout): Initialize new field.
4705 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4706 output section until we find a section we merged successfully.
4707 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4708 that the size be non-zero.
4709
780e49c5
ILT		 4710 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4711 qualifier.
4712
7fcd0256
ILT		 47132008-04-08 Craig Silverstein <csilvers@google.com>
4714
4715 * configure.ac: Export new conditional variable HAVE_ZLIB.
4716 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4717 on HAVE_ZLIB.
4718 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4719 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4720
6835af53
ILT		 47212008-04-07 Ian Lance Taylor <iant@google.com>
4722
e24f324c
ILT		 4723 * version.cc (version_string): Set to "1.5".
4724
a036edd8
ILT		 4725 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4726 Add issued_non_pic_error_ field. Declare check_non_pic.
4727 (Target_x86_64::Scan::check_non_pic): New function.
4728 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4729 (Target_x86_64::Scan::global): Likewise.
4730
624f8810
ILT		 4731 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4732 addend parameter. Change caller. Handle merge sections.
4733 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4734 Address to Addend. Don't add in the result of
4735 local_section_offset, pass down the addend and use the returned
4736 value.
4737 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4738 Update declarations of local_section_offset and symbol_value.
4739 * testsuite/two_file_test_1.cc (t18): New function.
4740 * testsuite/two_file_test_2.cc (f18): New function.
4741 * testsuite/two_file_test_main.cc (main): Call t18.
4742 * testsuite/two_file_test.h (t18, f18): Declare.
4743
6835af53
ILT		 4744 * configure.ac: Don't test for objdump, c++filt, or readelf.
4745 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4746 conditionals.
4747 (TEST_READELF): New variable.
4748 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4749 (check_PROGRAMS): Add two_file_strip_test.
4750 (two_file_strip_test): New target.
4751 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4752 (two_file_same_shared_strip_test_SOURCES): New variable.
4753 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4754 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4755 (two_file_same_shared_strip_test_LDADD): New variable.
4756 (two_file_shared_strip.so): New target.
4757 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4758 (ver_test_5.syms, ver_test_7.syms): Likewise.
4759 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4760 (strip_test_3.stdout): Use TEST_OBJDUMP.
4761 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4762
86925eef
CC		 47632008-04-04 Cary Coutant <ccoutant@google.com>
4764
4765 * symtab.h (Symbol::is_weak_undefined): New function.
4766 (Symbol::is_strong_undefined): New function.
4767 (Symbol::is_absolute): New function.
4768 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4769 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4770 absolute symbols.
4771 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4772 (weak_undef_test): New target.
4773 * testsuite/Makefile.in: Rebuild.
4774 * testsuite/weak_undef_file1.cc: New file.
4775 * testsuite/weak_undef_file2.cc: New file.
4776 * testsuite/weak_undef_test.cc: New file.
4777
126f3ece
ILT		 47782008-04-03 Craig Silverstein <csilvers@google.com>
4779
4780 * compressed_output.h (class Output_compressed_section): Use
4781 unsigned buffer.
4782 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4783 add zlib header.
4784 (zlib_compressed_suffix): Removed.
4785 (Output_compressed_section::set_final_data_size): Use unsigned
4786 buffers.
4787 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4788 Fix linker invocation.
4789 (flagstest_o_specialfile_and_compress_debug_sections):
4790 Likewise.
4791 * testsuite/Makefile.in: Regenerated.
4792
deae2a14
DM		 47932008-04-02 David S. Miller <davem@davemloft.net>
4794
4795 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4796 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4797
70752818
ILT		 47982008-04-02 Craig Silverstein <csilvers@google.com>
4799
4800 * TODO: New file.
4801
39d0cb0e
ILT		 48022008-04-02 Ian Lance Taylor <iant@google.com>
4803
4804 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4805 parameters. Update for new key type to views_. Change all
4806 callers.
4807 (File_read::read): Adjust for byteshift in returned view.
4808 (File_read::add_view): New function, broken out of
4809 find_and_make_view.
4810 (File_read::make_view): New function, broken out of
4811 find_and_make_view.
4812 (File_read::find_or_make_view): Add offset and aligned
4813 parameters. Rewrite accordingly. Change all callers.
4814 (File_read::get_view): Add offset and aligned parameters. Adjust
4815 for byteshift in return value.
4816 (File_read::get_lasting_view): Likewise.
4817 * fileread.h (class File_read): Update declarations.
4818 (class File_read::View): Add byteshift_ field. Add byteshift to
4819 constructor. Add byteshift method.
4820 * archive.h (Archive::clear_uncached_views): New function.
4821 (Archive::get_view): Add aligned parameter. Change all callers.
4822 * object.h (Object::get_view): Add aligned parameter. Change all
4823 callers.
4824 (Object::get_lasting_view): Likewise.
4825
4826 * fileread.cc (File_read::release): Don't call clear_views if
4827 there are multiple objects.
4828 * fileread.h (File_read::clear_uncached_views): New function.
4829 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4830 on the archive.
4831
a1207466
CC		 48322008-03-31 Cary Coutant <ccoutant@google.com>
4833
4834 Add thin archive support.
4835 * archive.cc (Archive::armagt): New const.
4836 (Archive::setup): Remove task parameter and calls to unlock.
4837 (Archive::unlock_nested_archives): New function.
4838 (Archive::read_header): Add nested_off parameter. Change
4839 all callers.
4840 (Archive::interpret_header): Likewise.
4841 (Archive::include_all_members): Change to handle thin
4842 archives.
4843 (Archive::include_member): Likewise.
4844 * archive.h (Archive::Archive): Add new parameters and
4845 initializers.
4846 (Archive::armagt): New const.
4847 (Archive::setup): Remove task parameter.
4848 (Archive::unlock_nested_archives): New function.
4849 (Archive::read_header): Add nested_off parameter.
4850 (Archive::interpret_header): Likewise.
4851 (Archive::Nested_archive_table): New typedef.
4852 (Archive::is_thin_archive_): New field.
4853 (Archive::nested_archives_): New field.
4854 (Archive::options_): New field.
4855 (Archive::dirpath_): New field.
4856 (Archive::task_): New field.
4857 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4858 for thin archives. Pass additional parameters to
4859 Archive::Archive. Unlock the archive file after calling
4860 Archive::setup.
cd536b21 4861
479f6503
ILT		 48622008-03-29 Ian Lance Taylor <iant@google.com>
4863
686c8caf
ILT		 4864 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4865 version symbol to be local.
4866 * testsuite/ver_test_4.sh: New file.
4867 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4868 (check_DATA): Add ver_test_4.syms.
4869 (ver_test_4.syms): New target.
4870 * testsuite/Makefile.in: Rebuild.
4871
ab794b6b
ILT		 4872 * output.cc
4873 (Output_section::Input_section_sort_entry::has_priority): New
4874 function.
4875 (Output_section::Input_section_sort_entry::match_file_name): New
4876 function.
4877 (Output_section::Input_section_sort_entry::match_section_name):
4878 Remove.
4879 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4880 Remove.
4881 (Output_section::Input_section_sort_entry::match_section_file):
4882 Remove.
4883 (Output_section::Input_section_sort_compare::operator()): Rewrite
4884 using new Input_section_sort_entry functions. Sort crtbegin and
4885 crtend first. Sort sections with no priority before sections with
4886 a priority.
4887 * testsuite/initpri1.c (d3): Check j != 4.
4888 (cd5): New constructor/destructor function.
4889 (main): Check j != 2.
4890
479f6503
ILT		 4891 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4892 new symbol when resolving, don't call set_is_default.
4893 * testsuite/ver_test_7.cc: New file.
4894 * testsuite/ver_test_7.sh: New file.
4895 * testsuite/Makefile.am (ver_test_7.so): New target.
4896 (ver_test_7.o): New target.
4897 (check_SCRIPTS): Add ver_test_7.sh.
4898 (check_DATA): Add ver_test_7.syms.
4899 (ver_test_7.syms): New target.
4900
2fd32231
ILT		 49012008-03-28 Ian Lance Taylor <iant@google.com>
4902
4903 * layout.cc (Layout::layout): If we see an input section with a
4904 name that needs sorting, set the must_sort flag for the output
4905 section.
4906 (Layout::make_output_section): If the name of the output section
4907 indicates that it might require sorting, set the may_sort flag.
4908 * output.h (Output_section::may_sort_attached_input_sections): New
4909 function.
4910 (Output_section::set_may_sort_attached_input_sections): New
4911 function.
4912 (Output_section::must_sort_attached_input_sections): New
4913 function.
4914 (Output_section::set_must_sort_attached_input_sections): New
4915 function.
4916 (class Output_section): Declare Input_section_sort_entry. Define
4917 Input_section_sort_compare. Declare
4918 sort_attached_input_sections. Add new fields:
4919 may_sort_attached_input_sections_,
4920 must_sort_attached_input_sections_,
4921 attached_input_sections_are_sorted_.
4922 * output.cc (Output_section::Output_section): Initialize new
4923 fields.
4924 (Output_section::add_input_section): Add an entry to
4925 input_sections_ if may_sort or must_sort are true.
4926 (Output_section::set_final_data_size): Call
4927 sort_attached_input_sections if necessary.
4928 (Output_section::Input_section_sort_entry): Define new class.
4929 (Output_section::Input_section_sort_compare::operator()): New
4930 function.
4931 (Output_section::sort_attached_input_sections): New function.
4932 * configure.ac: Check whether the compiler supports constructor
4933 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4934 * testsuite/initpri1.c: New file.
4935 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4936 CONSTRUCTOR_PRIORITY.
4937 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4938 (initpri1_LDFLAGS): New variable.
4939 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4940
18e6b24e
ILT		 49412008-03-27 Ian Lance Taylor <iant@google.com>
4942
49bdd526
ILT		 4943 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4944 * testsuite/common_test_1.c: New file.
4945 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4946 (common_test_1_SOURCES): New variable.
4947 (common_test_1_DEPENDENCIES): New variable.
4948 (common_test_1_LDFLAGS): New variable.
4949
18e6b24e
ILT		 4950 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4951 and commons_ correctly when NAME/VERSION does not override
4952 NAME/NULL.
4953 * testsuite/ver_test_6.c: New file.
4954 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4955 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4956 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4957
04bf7072
ILT		 49582008-03-26 Ian Lance Taylor <iant@google.com>
4959
5871526f
ILT		 4960 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4961 of an undefined symbol from a version script.
4962 * testsuite/Makefile.am (ver_test_5.so): New target.
4963 (ver_test_5.o): New target.
4964 (check_SCRIPTS): Add ver_test_5.sh.
4965 (check_DATA): Add ver_test_5.syms.
4966 (ver_test_5.syms): New target.
4967 * testsuite/ver_test_5.cc: New file.
4968 * testsuite/ver_test_5.script: New file.
4969 * testsuite/ver_test_5.sh: New file.
4970 * Makefile.in, testsuite/Makefile.in: Rebuild.
4971
04bf7072
ILT		 4972 PR gold/5986
4973 Fix problems building gold with gcc 4.3.0.
4974 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4975 (gold_error_at_location, gold_warning_at_location): Use it.
4976 * configure.ac: Check whether we can compile and use a template
4977 function with a printf attribute.
4978 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4979 when jumping over bytes.
4980 * object.cc: Instantiate Object::read_section_data.
4981 * debug.h: Include <cstring>
4982 * dwarf_reader.cc: Include <algorithm>
4983 * main.cc: Include <cstring>.
4984 * options.cc: Include <cstring>.
4985 * output.cc: Include <cstring>.
4986 * script.cc: Include <cstring>.
4987 * script.h: Include <string>.
4988 * symtab.cc: Include <cstring> and <algorithm>.
4989 * target-select.cc: Include <cstring>.
4990 * version.cc: Include <string>.
4991 * testsuite/testmain.cc: Include <cstdlib>.
4992 * configure, config.in: Rebuild.
4993
874c5b28
ILT		 49942008-03-25 Ian Lance Taylor <iant@google.com>
4995
819d6c3a
ILT		 4996 * options.cc: Include "../bfd/bfdver.h".
4997 (options::help): Print bug reporting address.
4998
f4b2c6f5
ILT		 4999 * version.cc (print_version): Adjust output for current value of
5000 BFD_VERSION_STRING.
5001
5002 * NEWS: New file.
5003
e96caa79
ILT		 5004 * options.cc (options::help): Print list of supported targets.
5005 * target-select.h: Include <vector>.
5006 (class Target_selector): Make machine_, size_, and is_big_endian_
5007 fields const. Add bfd_name_ and instantiated_target_ fields.
5008 (Target_selector::Target_selector): Add bfd_name parameter.
5009 (Target_selector::recognize): Make non-virtual, call
5010 do_recognize.
5011 (Target_selector::recognize_by_name): Make non-virtual, call
5012 do_recognize_by_name.
5013 (Target_selector::supported_names): New function.
5014 (Target_selector::bfd_name): New function.
5015 (Target_selector::do_instantiate_target): New pure virtual
5016 function.
5017 (Target_selector::do_recognize): New virtual function.
5018 (Target_selector::do_recognize_by_name): New virtual function.
5019 (Target_selector::instantiate_target): New private function.
5020 (supported_target_names): Declare.
5021 * target-select.cc (Target_selector::Target_selector): Update for
5022 new parameter and fields.
5023 (select_target_by_name): Check that the name matches before
5024 calling recognize_by_name.
5025 (supported_target_names): New function.
5026 * i386.cc (class Target_selector_i386): Update Target_selector
5027 constructor call. Remove recognize and recognize_by_name. Add
5028 do_instantiate_target.
5029 * x86_64.cc (class Target_selector_x86_64): Likewise.
5030 * testsuite/testfile.cc (class Target_selector_test): Update for
5031 changes to Target_selector.
5032
874c5b28
ILT		 5033 * README: Rewrite, with some notes on unsupported features.
5034
0a65a3a7
CC		 50352008-03-24 Cary Coutant <ccoutant@google.com>
5036
5037 * i386.cc (Target_i386::Got_type): New enum declaration.
5038 (Target_i386::Scan::local): Updated callers of Output_data_got
5039 member functions.
5040 (Target_i386::Scan::global): Likewise.
5041 (Target_i386::Relocate::relocate): Likewise.
5042 (Target_i386::Relocate::relocate_tls): Likewise.
5043 * object.h (Got_offset_list): New class.
5044 (Sized_relobj::local_has_got_offset): Added got_type parameter.
5045 (Sized_relobj::local_got_offset): Likewise.
5046 (Sized_relobj::set_local_got_offset): Likewise.
5047 (Sized_relobj::local_has_tls_got_offset): Removed.
5048 (Sized_relobj::local_tls_got_offset): Removed.
5049 (Sized_relobj::set_local_tls_got_offset): Removed.
5050 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5051 * output.cc (Output_data_got::add_global): Added got_type parameter.
5052 (Output_data_got::add_global_with_rel): Likewise.
5053 (Output_data_got::add_global_with_rela): Likewise.
5054 (Output_data_got::add_global_pair_with_rel): New function.
5055 (Output_data_got::add_global_pair_with_rela): New function.
5056 (Output_data_got::add_local): Added got_type parameter.
5057 (Output_data_got::add_local_with_rel): Likewise.
5058 (Output_data_got::add_local_with_rela): Likewise.
5059 (Output_data_got::add_local_pair_with_rel): New function.
5060 (Output_data_got::add_local_pair_with_rela): New function.
5061 (Output_data_got::add_global_tls): Removed.
5062 (Output_data_got::add_global_tls_with_rel): Removed.
5063 (Output_data_got::add_global_tls_with_rela): Removed.
5064 (Output_data_got::add_local_tls): Removed.
5065 (Output_data_got::add_local_tls_with_rel): Removed.
5066 (Output_data_got::add_local_tls_with_rela): Removed.
5067 * output.h (Output_data_got::add_global): Added got_type parameter.
5068 (Output_data_got::add_global_with_rel): Likewise.
5069 (Output_data_got::add_global_with_rela): Likewise.
5070 (Output_data_got::add_global_pair_with_rel): New function.
5071 (Output_data_got::add_global_pair_with_rela): New function.
5072 (Output_data_got::add_local): Added got_type parameter.
5073 (Output_data_got::add_local_with_rel): Likewise.
5074 (Output_data_got::add_local_with_rela): Likewise.
5075 (Output_data_got::add_local_pair_with_rel): New function.
5076 (Output_data_got::add_local_pair_with_rela): New function.
5077 (Output_data_got::add_global_tls): Removed.
5078 (Output_data_got::add_global_tls_with_rel): Removed.
5079 (Output_data_got::add_global_tls_with_rela): Removed.
5080 (Output_data_got::add_local_tls): Removed.
5081 (Output_data_got::add_local_tls_with_rel): Removed.
5082 (Output_data_got::add_local_tls_with_rela): Removed.
5083 * resolve.cc (Symbol::override_base_with_special): Removed
5084 reference to has_got_offset_ field.
5085 * symtab.cc (Symbol::init_fields): Replaced initialization
5086 of got_offset_ with got_offsets_. Removed initialization
5087 of has_got_offset_
53fcba31 5088 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 5089 (Symbol::got_offset): Likewise.
5090 (Symbol::set_got_offset): Likewise.
5091 (Symbol::has_tls_got_offset): Removed.
5092 (Symbol::tls_got_offset): Removed.
5093 (Symbol::set_tls_got_offset): Removed.
5094 (Symbol::got_offset_): Removed.
5095 (Symbol::tls_mod_got_offset_): Removed.
5096 (Symbol::tls_pair_got_offset_): Removed.
5097 (Symbol::got_offsets_): New field.
5098 (Symbol::has_got_offset): Removed.
5099 (Symbol::has_tls_mod_got_offset): Removed.
5100 (Symbol::has_tls_pair_got_offset): Removed.
5101 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5102 (Target_x86_64::Scan::local): Updated callers of Output_data_got
5103 member functions.
5104 (Target_x86_64::Scan::global): Likewise.
5105 (Target_x86_64::Relocate::relocate): Likewise.
5106 (Target_x86_64::Relocate::relocate_tls): Likewise.
5107
bd52eafb
BE		 51082008-03-25 Ben Elliston <bje@au.ibm.com>
5109
5110 * yyscript.y: Fix spelling error in comment.
5111
8b105e34
ILT		 51122008-03-24 Ian Lance Taylor <iant@google.com>
5113
8ed814a9
ILT		 5114 * options.h (class General_options): Define build_id option.
5115 * layout.h (class Layout): Declare write_build_id, create_note,
5116 create_build_id. Add build_id_note_ member.
5117 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5118 "libiberty.h", "md5.h", "sha1.h".
5119 (Layout::Layout): Initialize eh_frame_data_,
5120 eh_frame_hdr_section_, and build_id_note_.
5121 (Layout::finalize): Call create_build_id.
5122 (Layout::create_note): New function, broken out of
5123 Layout::create_gold_note.
5124 (Layout::create_gold_note): Call create_note.
5125 (Layout::create_build_id): New function.
5126 (Layout::write_build_id): New function.
5127 (Close_task_runner::run): Call write_build_id.
5128
8b105e34
ILT		 5129 * x86_64.cc: Correct license to GPLv3.
5130
086a1841
ILT		 51312008-03-23 Ian Lance Taylor <iant@google.com>
5132
5133 * options.cc: Include "demangle.h".
5134 (parse_optional_string): New function.
5135 (parse_long_option): Handle takes_optional_argument.
5136 (parse_short_option): Update dash_z initializer. Handle
5137 takes_optional_argument.
5138 (General_options::General_options): Initialize do_demangle_.
5139 (General_options::finalize): Set do_demangle_. Handle demangling
5140 style.
5141 * options.h (parse_optional_string): Declare.
5142 (struct One_option): Add optional_arg field. Update constructor.
5143 Update call constructor calls. Add takes_optional_argument
5144 function.
5145 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
5146 (DEFINE_optional_string): Define.
5147 (General_options::demangle): Change from DEFINE_bool to
5148 DEFINE_optional_string.
5149 (General_options::no_demangle): New function.
5150 (General_options::do_demangle): New function.
5151 (General_options::set_do_demangle): New function.
5152 (General_options::execstack_status_): Move definition to end of
5153 class definition.
5154 (General_options::static_): Likewise.
5155 (General_options::do_demangle_): New field.
5156 * object.cc (big_endian>::get_symbol_location_info): Call
5157 Options::do_demangle, not Options::demangle.
5158 * symtab.cc (demangle): Likewise.
5159
cbb93e63
ILT		 51602008-03-22 Ian Lance Taylor <iant@google.com>
5161
5162 * gold.h: Include <cstddef> and <sys/types.h>
5163 * options.h: Include <cstring>.
5164
ec531623
ILT		 51652008-03-21 Ian Lance Taylor <iant@google.com>
5166
5167 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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