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2009-11-10 Doug Kwan <dougkwan@google.com>
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
ac33a407
DK		 12009-11-10 Doug Kwan <dougkwan@google.com>
2
3 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4 a format warning.
5 * incremental.cc (open_incremental_binary): Initialized local
6 variables to avoid warnings.
7 * object.cc (make_elf_object): Ditto.
8 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9 a format warning.
10
88ee28e9
L		 11009-11-09 H.J. Lu <hongjiu.lu@intel.com>
12
13 PR gold/10930
14 * testsuite/plugin_test.c: Include "config.h".
15
2daedcd6
DK		 162009-11-09 Doug Kwan <dougkwan@google.com>
17
18 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
19 (arm_symbol_value): Remove.
20 (Arm_relocate_functions::arm_branch_common,
21 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
22 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
23 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
24 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
25 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
26 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
27 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
28 Arm_relocate_functions::thm_mobw_abs_nc,
29 Arm_relocate_functions::thm_mov_abs,
30 Arm_relocate_functions::movw_prel_nc,
31 Arm_relocate_functions::thm_movt_abs,
32 Arm_relocate_functions::movt_prel,
33 Arm_relocate_functions::thm_movw_prel_nc,
34 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
35 (Target_arm::Relocate::relocate): Only decompose address into two
36 parts if relocation type uses the thumb-bit and pass the actual
37 bit instead of a flag indicating that the thumb-bit is used. Adjust
38 calls to methods in Arm_relocate_functions for this change.
39
3e4afc80
ILT		 402009-11-08 Ian Lance Taylor <ian@airs.com>
41
42 PR 10925
43 * reloc.cc: Instantiate
44 Sized_relobj::initialize_input_to_output_maps and
45 Sized_relobj:free_input_to_output_maps.
46
e53ad1b5
ILT		 472009-11-06 Ian Lance Taylor <iant@google.com>
48
49 PR 10876
50 * defstd.cc (in_segment): Set only_if_ref true for "end".
51
eb44217c
DK		 522009-11-06 Doug Kwan <dougkwan@google.com>
53
54 * arm.cc (class Reloc_stub): Correct a comment.
55 (Target_arm::Target_arm): Initialize arm_input_section_map_.
56 (Target_arm::scan_section_for_stubs): New method declaration.
57 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
58 Change methods from private to protected.
59 (Target_arm::do_may_relax): New method definition.
60 (Target_arm::do_relax, Target_arm::group_sections,
61 Target_arm::scan_reloc_for_stub,
62 Target_arm::scan_reloc_section_for_stubs): New method declarations.
63 (Target_arm::arm_input_section_map_): New data member declaration.
64 (Target_arm::scan_reloc_for_stub,
65 Target_arm::scan_reloc_section_for_stubs,
66 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
67 Target_arm::do_relax): New method definitions.
68
5d329b7d
ILT		 692009-11-06 Mikolaj Zalewski <mikolaj@google.com>
70
71 * configure.ac: Check for (struct stat)::st_mtim
72 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
73 * config.in: Regenerate.
74 * configure: Regenerate.
75
96a0d71b
ILT		 762009-11-05 Ian Lance Taylor <iant@google.com>
77
78 PR 10910
79 * output.cc (Output_segment::add_output_section): Add missing
80 return statement.
81
594c8e5e
ILT		 822009-11-04 Ian Lance Taylor <iant@google.com>
83
84 PR 10880
85 * object.h (class Object): Add is_needed and set_is_needed
86 methods. Add is_needed_ field. Make bool fields into bitfields.
87 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
88 defined in a dynamic object and referenced by a regular object,
89 set is_needed for the dynamic object.
90 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
91 if the file is marked with as_needed and it is not needed.
92
22b127cc
ILT		 932009-11-04 Ian Lance Taylor <iant@google.com>
94
95 PR 10887
96 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
97 tags if data is discarded by linker script.
98 * i386.cc (Target_i386::do_finalize_sections): Likewise.
99 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
100 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
101 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
102
f5c870d2
ILT		 1032009-11-04 Ian Lance Taylor <iant@google.com>
104
105 * layout.cc (Layout::get_output_section): Add is_interp and
106 is_dynamic_linker_section parameters. Change all callers.
107 (Layout::choose_output_section): Likewise.
108 (Layout::make_output_section): Likewise.
109 (Layout::add_output_section_data): Add is_dynamic_linker_section
110 parameter. Change all callers.
111 * layout.h (class Layout): Update declarations.
112 * output.h (class Output_section): Add is_interp, set_is_interp,
113 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
114 Add is_interp_, is_dynamic_linker_section_ fields. Change
115 generate_code_fills_at_write_ to a bitfield.
116 * output.cc (Output_section::Output_sections): Initialize new
117 fields.
118 (Output_segment::add_output_section): Add do_sort parameter.
119 Change all callers.
120
1ae4d23b
ILT		 1212009-11-03 Ian Lance Taylor <iant@google.com>
122
123 PR 10860
124 * options.h (class General_options): Add --warn-common.
125 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
126 merging two common symbols.
127 (Symbol_table::should_override): Handle --warn-common when merging
128 a common symbol with a defined symbol. Use report_resolve_problem
129 for multiple definitions.
130 (Symbol_table::report_resolve_problem): New function.
131 * symtab.h (class Symbol_table): Declare report_resolve_problem.
132
55da9579
DK		 1332009-11-03 Doug Kwan <dougkwan@google.com>
134
135 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
136 stub_factory_.
137 (Target_arm::stub_factory): New method definition.
138 (Target_arm::new_arm_input_section,
139 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
140 Target_arm::reloc_uses_thumb_bit): New method declarations.
141 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
142 New type definitions.
143 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
144 member declarations.
145 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
146 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
147 New method definitions.
148
37a9ac43
ILT		 1492009-11-03 Ian Lance Taylor <iant@google.com>
150
151 * options.h (class General_options): Add --warn_constructors.
152
b3d6a3d4
ILT		 1532009-11-03 Ian Lance Taylor <iant@google.com>
154
155 PR 10893
156 * defstd.cc (in_section): Add entries for __rel_iplt_start,
157 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
158
934b01dd
ILT		 1592009-11-03 Ian Lance Taylor <iant@google.com>
160
161 PR 10895
162 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
163 --msgid-bugs-address.
164 (install-pdf): New target.
165 (install-data_yes): Look up one directory to find mkinstalldirs.
166
03c1939b
L		 1672009-11-03 H.J. Lu <hongjiu.lu@intel.com>
168
169 * po/Make-in (.po.gmo): Don't generate .gmo files in source
170 tree.
171
ebd95253
DK		 1722009-10-30 Doug Kwan <dougkwan@google.com>
173
174 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
175
e9bbb538
DK		 1762009-10-30 Doug Kwan <dougkwan@google.com>
177
178 * arm.cc (Stub_addend_reader): New struct template definition
179 and partial specializations.
180 (Stub_addend_reader::operator()): New method definition for a
181 partially specialized template.
182
d5b40221
DK		 1832009-10-30 Doug Kwan <dougkwan@google.com>
184
185 * arm.cc (Arm_relobj::processor_specific_flags): New method
186 definition.
187 (Arm_relobj::do_read_symbols): New method declaration.
188 (Arm_relobj::processor_specific_flags_): New data member declaration.
189 (Arm_dynobj): New class definition.
190 (Target_arm::do_finalize_sections): Add input_objects parameter.
191 (Target_arm::do_adjust_elf_header): New method declaration.
192 (Target_arm::are_eabi_versions_compatible,
193 (Target_arm::merge_processor_specific_flags): New method declaration.
194 (Target_arm::do_make_elf_object): New overloaded method definitions
195 and declaration.
196 (Arm_relobj::do_read_symbols): New method definition.
197 (Arm_dynobj::do_read_symbols): Ditto.
198 (Target_arm::do_finalize_sections): Add input_objects parameters.
199 Merge processor-specific flags from all input objects.
200 (Target_arm::are_eabi_versions_compatible,
201 Target_arm::merge_processor_specific_flags,
202 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
203 New method definitions.
204 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
205 Input_objects pointer type parameter.
206 * layout.cc (Layout::finalize): Pass input objects to target's.
207 finalize_sections function.
208 * output.cc (Output_file_header::do_sized_write): Set ELF file
209 header's processor-specific flags.
210 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
211 Input_objects pointer type parameter.
212 * sparc.cc (Target_sparc::do_finalize_sections): Same.
213 * target.h (Input_objects): New forward class declaration.
214 (Target::processor_specific_flags,
215 Target::are_processor_specific_flags_sect): New method definitions.
216 (Target::finalize_sections): Add input_objects parameter.
217 (Target::Target): Initialize processor_specific_flags_ and
218 are_processor_specific_flags_set_.
219 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
220 parameter.
221 (Target::set_processor_specific_flags): New method definition.
222 (Target::processor_specific_flags_,
223 Target::are_processor_specific_flags_set_): New data member
224 declarations.
225 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
226 Input_objects pointer type parameter.
227
ebabffbd
DK		 2282009-10-30 Doug Kwan <dougkwan@google.com>
229
230 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
231
ad0f2072
ILT		 2322009-10-28 Ian Lance Taylor <iant@google.com>
233
234 * object.h (class Relobj): Drop options parameter from
235 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
236 do_scan_relocs, do_relocate. Change all callers.
237 (class Sized_relobj): Drop options parameters from
238 do_gc_process_relocs, do_scan_relocs, do_relocate,
239 do_relocate_sections, relocate_sections, emit_relocs_scan,
240 emit_relocs_scan_reltype. Change all callers.
241 (struct Relocate_info): Remove options field and all references to
242 it.
243 * reloc.h (class Read_relocs): Remove options constructor
244 parameter and options_ field. Change all callers.
245 (class Gc_process_relocs, class Scan_relocs): Likewise.
246 (class Relocate_task): Likewise.
247 * target-reloc.h (scan_relocs): Remove options parameter. Change
248 all callers.
249 (scan_relocatable_relocs): Likewise.
250 * target.h (class Sized_target): Remove options parameter from
251 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
252 all callers.
253 * gc.h (gc_process_relocs): Remove options parameter. Change all
254 callers.
255 * arm.cc: Update functions to remove options parameters.
256 * i386.cc: Likewise.
257 * powerpc.cc: Likewise.
258 * sparc.cc: Likewise.
259 * x86_64.cc: Likewise.
260 * testsuite/testfile.cc: Likewise.
261
8ffa3667
DK		 2622009-10-28 Doug Kwan <dougkwan@google.com>
263
264 * arm.cc (Arm_relobj): New class definition.
265 (Arm_relobj::scan_sections_for_stubs,
266 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
267 New method definitions.
268
40f36857
CC		 2692009-10-28 Cary Coutant <ccoutant@google.com>
270
271 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
272 (Plugin::cleanup_done_): New member.
273 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
274 (Plugin_manager::cleanup_done_): Remove.
275 (Plugin_manager::add_input_file): Edit error message.
276 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
277 (Plugin_manager::cleanup): Remove use of cleanup_done_.
278
2c849493
ILT		 2792009-10-27 Mikolaj Zalewski <mikolajz@google.com>
280
281 * fileread.cc: (File_read::View::~View): Use the new
282 data_ownership_ filed.
283 (File_read::~File_read): Dispose the new whole_file_view_.
284 (File_read::open): Mmap the whole file if needed.
285 (File_read::open): Use whole_file_view_ instead of contents_.
286 (File_read::find_view): Use whole_file_view_ if applicable.
287 (File_read::do_read): Use whole_file_view_ instead of contents_.
288 (File_read::make_view): Use whole_file_view_ instead of contents_,
289 update File_read::View::View call.
290 (File_read::find_or_make_view): Update File_read::View::View
291 call.
292 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
293 remove contents_
294 (File_read::View::Data_ownership): New enum.
295 (File_read::View::View): Replace bool mapped_ with Data_ownership
296 argument.
297 (File_read::View::mapped_): Remove (replaced by data_ownership_).
298 (File_read::View::data_ownership_): New field.
299 (File_read::contents_): Remove (replaced by whole_file_view_).
300 (File_read::whole_file_view_): New field.
301 * options.h (class General_options): Add --keep-files-mapped.
302
24998053
CC		 3032009-10-27 Cary Coutant <ccoutant@google.com>
304
305 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
306 * testsuite/Makefile.am (plugin_test_5): New test case.
307 * testsuite/Makefile.in: Regenerate.
308
72adc4fa
DK		 3092009-10-25 Doug Kwan <dougkwan@google.com>
310
311 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
312 from private to protected to allow access by child class.
313 (Sized_relobj::do_relocate_sections): New method declaration.
314 (Sized_relobj::relocate_sections): Virtualize.
315 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
316 Sized_relobj::relocate_sections. Instantiate template explicitly
317 for different target sizes and endianity.
318
07f508a2
DK		 3192009-10-24 Doug Kwan <dougkwan@google.com>
320
321 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
322 (Arm_input_section::as_arm_input_section): New method.
323 (Arm_output_section): New class definition.
324 (Arm_output_section::create_stub_group,
325 Arm_output_section::group_sections): New method definitions.
326
10ad9fe5
DK		 3272009-10-22 Doug Kwan <dougkwan@google.com>
328
329 * arm.cc (Arm_input_section): New class definition.
330 (Arm_input_section::init, Arm_input_section:do_write,
331 Arm_input_section::set_final_data_size,
332 Arm_input_section::do_reset_address_and_file_offset): New method
333 definitions.
334
56ee5e00
DK		 3352009-10-21 Doug Kwan <dougkwan@google.com>
336
337 * arm.cc (Stub_table, Arm_input_section): New forward class
338 declarations.
339 (Stub_table): New class defintion.
340 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
341 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
342 New method definition.
343
b569affa
DK		 3442009-10-21 Doug Kwan <dougkwan@google.com>
345
346 * arm.cc: Update copyright comments.
347 (Target_arm): New forward class template declaration.
348 (Arm_address): New type.
349 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
350 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
351 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
352 constants.
353 (Insn_template): Same.
354 (DEF_STUBS): New macro.
355 (Stub_type): New enum type.
356 (Stub_template): New class definition.
357 (Stub): Same.
358 (Reloc_stub): Same.
359 (Stub_factory): Same.
360 (Target_arm::Target_arm): Initialize may_use_blx_ and
361 should_force_pic_veneer_.
362 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
363 Target_arm::should_force_pic_veneer,
364 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
365 Target_arm::using_thumb_only, Target_arm:;default_target): New
366 method defintions.
367 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
368 New data member declarations.
369 (Insn_template::size, Insn_template::alignment): New method defintions.
370 (Stub_template::Stub_template): New method definition.
371 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
372 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
373 (Stub_factory::Stub_factory): New method definition.
374 * gold.h (string_hash): New template.
375 * output.h (Input_section_specifier::hash_value): Use
376 gold::string_hash.
377 (Input_section_specifier::string_hash): Remove.
378 * stringpool.cc (Stringpool_template::string_hash): Use
379 gold::string_hash.
380
6c172549
DK		 3812009-10-20 Doug Kwan <dougkwan@google.com>
382
383 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
384 symbols of relaxed input sections.
385 * output.h (Output_section::find_relaxed_input_section): Make
386 method public.
387
c5617f2f
DK		 3882009-10-16 Doug Kwan <dougkwan@google.com>
389
390 * dynobj.cc (Versions::Versions): Initialize version_script_.
391 Only insert base version symbol definition for a shared object
392 if version script defines any version versions.
393 (Versions::define_base_version): New method definition.
394 (Versions::add_def): Check that base version is not needed.
395 (Versions::add_need): Define base version lazily.
396 * dynobj.h (Versions::define_base_version): New method declaration.
397 (Versions::needs_base_version_): New data member declaration.
398 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
399 (check_DATA): Add no_version_test.stdout.
400 (libno_version_test.so, no_version_test.o no_version_test.stdout):
401 New make rules.
402 * testsuite/Makefile.in: Regenerate.
403 * testsuite/no_version_test.c: New file.
404 * testsuite/no_version_test.sh: Ditto.
405
3c12dcdb
DK		 4062009-10-16 Doug Kwan <dougkwan@google.com>
407
408 * expression.cc (class Segment_start_expression): New class definition.
409 (Segment_start_expression::value): New method definition.
410 (script_exp_function_segment_start): Return a new
411 Segment_start_expression.
412 * gold/script-c.h (script_saw_segment_start_expression): New function
413 prototype.
414 * script-sections.cc (Script_sections::Script_sections): Initialize
415 SAW_SEGMENT_START_EXPRESSION_ to false.
416 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
417 and -Tbbs options to specify section addresses if given in
418 command line and no SEGMENT_START expression is seen in a script.
419 * script-sections.h (Script_sections::saw_segment_start_expression,
420 Script_sections::set_saw_segment_start_expression): New method
421 definition.
422 (Script_sections::saw_segment_start_expression_): New data member
423 declaration.
424 * script.cc (script_saw_segment_start_expression): New function.
425 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
426 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
427 script_test_7.sh and script_test_8.sh.
428 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
429 script_test_8.stdout.
430 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
431 (script_test_6, script_test_6.stdout, script_test_7,
432 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
433 * Makefile.in: Regenerate.
434 * testsuite/script_test_6.sh: New file.
435 * testsuite/script_test_6.t: Same.
436 * testsuite/script_test_7.sh: Same.
437 * testsuite/script_test_7.t: Same.
438 * testsuite/script_test_8.sh: Same.
439
64b1ae37
DK		 4402009-10-16 Doug Kwan <dougkwan@google.com>
441
442 * output.cc (Output_segment::set_section_list_address): Cast
443 expressions to unsigned long long type to avoid format warnings.
444
661be1e2
ILT		 4452009-10-15 Ian Lance Taylor <iant@google.com>
446
12edd763 447 * script.cc (Script_options::add_symbol_assignment): Always add a
b3d6a3d4 448 dot assignment to script_sections_.
12edd763
ILT		 449 * script-sections.cc (Script_sections::add_dot_assignment):
450 Initialize if necessary.
451
68b6574b
ILT		 452 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
453 program headers with no load segment if there is a linker script.
454
661be1e2
ILT		 455 * layout.cc (Layout::set_segment_offsets): Align the file offset
456 to the segment aligment for -N or -n with no load segment.
457 * output.cc (Output_segment::add_output_section): Don't crash if
458 the first section is a TLS section.
459 (Output_segment::set_section_list_addresses): Print an error
460 message if the address moves backward in a linker script.
461 * script-sections.cc
462 (Output_section_element_input::set_section_addresses): Don't
463 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
464 (Orphan_output_section::set_section_addresses): Likewise.
465
f15f61a7
DK		 4662009-10-15 Doug Kwan <dougkwan@google.com>
467
468 * layout.cc (Layout::finish_dynamic_section): Generate tags
469 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
470 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
471 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
472
82bb573a
ILT		 4732009-10-14 Ian Lance Taylor <iant@google.com>
474
475 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
476 fields.
477 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
478 data_shdr fields of relinfo.
479 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
480 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
481 R_386_TLS_LDO_32, adjust based on section flags.
482 (Target_i386::Relocate::fix_up_ldo): Remove.
483
374ad285
ILT		 4842009-10-13 Ian Lance Taylor <iant@google.com>
485
486 Add support for -pie.
487 * options.h (class General_options): Add -pie and
488 --pic-executable.
489 (General_options::output_is_position_independent): Test -pie.
490 (General_options::output_is_executable): Return true if not shared
491 and not relocatable.
492 (General_options::output_is_pie): Remove.
493 * options.cc (General_options::finalize): Reject incompatible uses
494 of -pie.
495 * gold.cc (queue_middle_tasks): A -pie link is not static.
496 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
497 * symtab.cc (Symbol::final_value_is_known): Return false if
498 output_is_position_independent.
499 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
500 output_is_position_independent.
501 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
502 output_is_position_independent.
503 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
504 output_is_position_independent.
505 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
506 two_file_pie_test.
507 (basic_pie_test.o, basic_pie_test): New targets.
508 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
509 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
510 (two_file_pie_test): New target.
511 * testsuite/Makefile.in: Rebuild.
512 * README: Remove note saying that -pie is not supported.
513
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ILT		 5142009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
515
516 * options.h (class General_options): Add -init and -fini.
517 * layout.cc (Layout::finish_dynamic_section): Emit
518 given init and fini functions.
519
032ce4e9
ST		 5202009-10-13 Sriraman Tallam <tmsriram@google.com>
521
522 * gc.h (gc_process_relocs): Check if icf is enabled using new
523 function.
524 * gold.cc (queue_initial_tasks): Likewise.
525 (queue_middle_tasks): Likewise.
526 * object.cc (do_layout): Likewise.
527 * symtab.cc (is_section_folded): Likewise.
528 * main.cc (main): Likewise.
529 * reloc.cc (Read_relocs::run): Likewise.
530 (Sized_relobj::do_scan_relocs): Likewise.
531 * icf.cc (is_function_ctor_or_dtor): New function.
532 (Icf::find_identical_sections): Check if function is ctor or dtor when
533 safe icf is chosen.
534 * options.h (General_options::icf): Change option to be an enum.
535 (Icf_status): New enum.
536 (icf_enabled): New method.
537 (icf_safe_folding): New method.
538 (set_icf_status): New method.
539 (icf_status_): New variable.
540 * (options.cc) (General_options::finalize): Set icf_status_.
541 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
542 icf_test and icf_keep_unique_test to use the --icf enum flag.
543 * testsuite/icf_safe_test.sh: New file.
544 * testsuite/icf_safe_test.cc: New file.
545
f345227a
ST		 5462009-10-12 Sriraman Tallam <tmsriram@google.com>
547
548 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
549 includes to gc.h and icf.h.
550 * arm.cc: Include gc.h.
551 * gold.cc: Likewise.
552 * i386.cc: Likewise.
553 * powerpc.cc: Likewise.
554 * sparc.cc: Likewise.
555 * x86_64.cc: Likewise.
556 * gc.h: Include icf.h.
557
1c7814ed
ILT		 5582009-10-11 Ian Lance Taylor <iant@google.com>
559
560 * plugin.cc: Include "gold.h" before other header files.
561
ae3b5189
CD		 5622009-10-10 Chris Demetriou <cgd@google.com>
563
564 * options.h (Input_file_argument::Input_file_type): New enum.
565 (Input_file_argument::is_lib_): Replace with...
566 (Input_file_argument::type_): New member.
567 (Input_file_argument::Input_file_argument): Take Input_file_type
568 'type' rather than boolean 'is_lib' as second argument.
569 (Input_file_argument::is_lib): Use type_.
570 (Input_file_argument::is_searched_file): New function.
571 (Input_file_argument::may_need_search): Handle is_searched_file.
572 * options.cc (General_options::parse_library): Support -l:filename.
573 (General_options::parse_just_symbols): Update for Input_file_argument
574 changes.
575 (Command_line::process): Likewise.
576 * archive.cc (Archive::get_file_and_offset): Likewise.
577 * plugin.cc (Plugin_manager::release_input_file): Likewise.
578 * script.cc (read_script_file, script_add_file): Likewise.
579 * fileread.cc (Input_file::Input_file): Likewise.
580 (Input_file::will_search_for): Handle is_searched_file.
581 (Input_file::open): Likewise.
582 * readsyms.cc (Read_symbols::get_name): Likewise.
583 * testsuite/Makefile.am (searched_file_test): New test.
584 * testsuite/Makefile.in: Regenerate.
585 * testsuite/searched_file_test.cc: New file.
586 * testsuite/searched_file_test_lib.cc: New file.
587
f3048a1d
ILT		 5882009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
589 Ian Lance Taylor <iant@google.com>
590
591 * descriptor.cc: Include <cstdio> and "binary-io.h".
592 (Descriptors::open): Open the files in binary mode always.
593 * script.cc (Lex::get_token): Treat \r as whitespace.
594
d4780e57
ILT		 5952009-10-09 Ian Lance Taylor <iant@google.com>
596
597 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
598
d9a893b8
ILT		 5992009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
600 Ian Lance Taylor <iant@google.com>
601
602 * configure.ac: Check for readv function also.
603 * fileread.cc (readv): Define if not HAVE_READV.
604 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
605 does not exist.
606 * config.in: Regenerate.
607 * configure: Regenerate.
608
c0a62865
DK		 6092009-10-09 Doug Kwan <dougkwan@google.com>
610
611 * layout.cc (Layout::make_output_section): Call target hook to make
612 ordinary output section.
613 (Layout::finalize): Adjust parameter list of call the
614 Target::may_relax().
615 * layout.h (class Layout::section_list): New method.
616 * merge.h (Output_merge_base::entsize): Change visibility to public.
617 (Output_merge_base::is_string, Output_merge_base::do_is_string):
618 New methods.
619 (Output_merge_string::do_is_string): New method.
620 * object.cc (Sized_relobj::do_setup): renamed from
621 Sized_relobj::set_up.
622 * object.h (Sized_relobj::adjust_shndx,
623 Sized_relobj::initializ_input_to_output_maps,
624 Sized_relobj::free_input_to_output_maps): Change visibilities to
625 protected.
626 (Sized_relobj::setup): Virtualize.
627 (Sized_relobj::do_setup): New method declaration.
628 (Sized_relobj::invalidate_section_offset,
629 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
630 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
631 * options.cc (parse_int): New function.
632 * options.h (parse_int): New declaration.
633 (DEFINE_int): New macro.
634 (stub_group_size): New option.
635 * output.cc (Output_section::Output_section): Initialize memebers
636 merge_section_map_, merge_section_by_properties_map_,
637 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
638 (Output_section::add_input_section): Handled deferred code-fill
639 generation and remove an old comment.
640 (Output_section::add_relaxed_input_section): New method definition.
641 (Output_section::add_merge_input_section): Use merge section by
642 properties map to speed to search. Update merge section maps
643 as appropriate.
644 (Output_section::build_relaxation_map): New method definition.
645 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
646 Same.
647 (Output_section::relax_input_section): Renamed to
648 Output_section::convert_input_sections_to_relaxed_sections and change
649 interface to take a vector of pointers to relaxed sections.
650 (Output_section::find_merge_section,
651 Output_section::find_relaxed_input_section): New method definitions.
652 (Output_section::is_input_address_mapped,
653 Output_section::output_offset, Output_section::output_address):
654 Use output section data maps to speed up searching.
655 (Output_section::find_starting_output_address): Add comments.
656 (Output_section::do_write,
657 Output_section::write_to_postprocessing_buffer): Do code-fill
658 generation as appropriate.
659 (Output_section::get_input_sections): Invalidate relaxed input section
660 map.
661 (Output_section::restore_states): Adjust type of checkpoint .
662 Invalidate relaxed input section map.
663 * output.h (Output_merge_base): New class declaration.
664 (Input_section_specifier): New class defintion.
665 (class Output_relaxed_input_section) Change base class to
666 Output_section_data_build.
667 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
668 base class initializer.
669 (Output_section::add_relaxed_input_section): New method declaration.
670 (Output_section::Input_section): Change visibility to protected.
671 (Output_section::Input_section::relobj,
672 Output_section::Input_section::shndx): Handle relaxed input sections.
673 Output_section::input_sections) Change visibility to protected. Also
674 define overload to return a non-const pointer.
675 (Output_section::Merge_section_properties): New class defintion.
676 (Output_section::Merge_section_by_properties_map,
677 Output_section::Output_section_data_by_input_section_map,
678 Output_section::Relaxation_map): New types.
679 (Output_section::relax_input_section): Rename method to
680 Output_section::convert_input_sections_to_relaxed_sections and change
681 interface to take a vector of relaxed section pointers.
682 (Output_section::find_merge_section,
683 Output_section::find_relaxed_input_section,
684 Output_section::build_relaxation_map,
685 Output_section::convert_input_sections_in_list_to_relaxed_sections):
686 New method declarations.
687 (Output_section::merge_section_map_
688 Output_section::merge_section_by_properties_map_,
689 Output_section::relaxed_input_section_map_,
690 Output_section::is_relaxed_input_section_map_valid_,
691 Output_section::generate_code_fills_at_write_): New data members.
692 * script-sections.cc
693 (Output_section_element_input::set_section_addresses): Call
694 current_data_size and addralign methods of relaxed input sections.
695 (Orphan_output_section::set_section_addresses): Call current_data_size
696 and addralign methods of relaxed input sections.
697 * symtab.cc (Symbol_table::compute_final_value): Extract template
698 from the body of Symbol_table::sized_finalize_symbol.
699 (Symbol_table::sized_finalized_symbol): Call
700 Symbol_table::compute_final_value.
701 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
702 (Symbol_table::compute_final_value): New templated method declaration.
703 * target.cc (Target::do_make_output_section): New method defintion.
704 * target.h (Target::make_output_section): New method declaration.
705 (Target::relax): Add more parameters for input objects, symbol table
706 and layout. Adjust call to do_relax.
707 (Target::do_make_output_section): New method declaration.
708 (Target::do_relax): Add parameters for input objects, symbol table
709 and layout.
710
d446d6c4
ILT		 7112009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
712
713 * pread.c: Include stdio.h.
714
bc06c745
ILT		 7152009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
716
717 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
718 defined.
719
75aea3d0
ILT		 7202009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
721
722 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
723 Change read_shndx type to unsigned int.
724 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
725 int.
726 (Sized_dwarf_line_info::read_line_mappings): Likewise.
727 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
728 Change read_shndx type to unsigned int.
729 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
730 int.
731 (Sized_dwarf_line_info::read_line_mappings): Likewise.
732 * layout.cc (Layout::create_symtab_sections): Cast the result of
733 local_symcount * symsize to off_t in the gold_assert.
734
be8fcb75
ILT		 7352009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
736
737 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
738 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
739 R_ARM_BASE_ABS.
740 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
741 (Arm_relocate_functions::thm_abs5): New function.
742 (Arm_relocate_functions::abs12): New function.
743 (Arm_relocate_functions::abs16): New function.
744 (Arm_relocate_functions::base_abs): New function.
745 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
746 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
747 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
748 R_ARM_BASE_ABS.
749 (Scan::global): Likewise.
750 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
751 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
752 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
753 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
754 R_ARM_BASE_ABS.
755
c2a122b6
ILT		 7562009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
757
758 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
759 (Arm_relocate_functions::movt_prel): New function.
760 (Arm_relocate_functions::thm_movw_prel_nc): New function.
761 (Arm_relocate_functions::thm_movt_prel): New function.
762 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
763 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
764 (Scan::global, Relocate::relocate): Likewise.
765 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
766
c4aa1e2d
ILT		 7672009-10-09 Mikolaj Zalewski <mikolajz@google.com>
768
769 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
770 Incremental_checker.
771 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
772 unsigned int.
773 (class Incremental_inputs_header): New class.
774 (Incremental_inputs_header_writer): Edit comment.
775 (Incremental_inputs_entry): New class.
776 (Incremental_inputs_entry_writer): Edit comment.
777 (Sized_incremental_binary::do_find_incremental_inputs_section):
778 Add *strtab_shndx parameter, fill it.
779 (Sized_incremental_binary::do_check_inputs): New method.
780 (Incremental_checker::can_incrementally_link_output_file): Use
781 Sized_incremental_binary::check_inputs.
782 (Incremental_inputs::report_command_line): Save command line in
783 command_line_.
784 * incremental.h:
785 (Incremental_binary::find_incremental_inputs_section): New
786 method.
787 (Incremental_binary::do_find_incremental_inputs_section): Add
788 strtab_shndx parameter.
789 (Incremental_binary::do_check_inputs): New pure virtual method.
790 (Sized_incremental_binary::do_check_inputs): Declare.
791 (Incremental_checker::Incremental_checker): Add incremental_inputs
792 parameter, use it to initialize incremental_inputs_.
793 (Incremental_checker::incremental_inputs_): New field.
794 (Incremental_checker::command_line): New method.
795 (Incremental_checker::inputs): New method.
796 (Incremental_checker::command_line_): New field.
797
c549a694
ILT		 7982009-10-09 Mikolaj Zalewski <mikolajz@google.com>
799
800 * incremental.cc: Include <cstdarg> and "target-select.h".
801 (vexplain_no_incremental): New function.
802 (explain_no_incremental): New function.
803 (Incremental_binary::error): New method.
804 (Sized_incremental_binary::do_find_incremental_inputs_section): New
805 method.
806 (make_sized_incremental_binary): New function.
807 (open_incremental_binary): New function.
808 (can_incrementally_link_file): Add checks if output is ELF and has
809 inputs section.
810 * incremental.h: Include "elfcpp_file.h" and "output.h".
811 (Incremental_binary): New class.
812 (Sized_incremental_binary): New class.
813 (open_incremental_binary): Declare.
814 * object.cc (is_elf_object): Use
815 elfcpp::Elf_recognizer::is_elf_file.
816 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
817 * output.h (Output_file::filesize): New method.
818
fd3c5f0b
ILT		 8192009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
820
821 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
822 New function.
823 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
824 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
825 function.
826 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
827 function.
828 (Arm_relocate_functions::movw_abs_nc): New function.
829 (Arm_relocate_functions::movt_abs): New function.
830 (Arm_relocate_functions::thm_movw_abs_nc): New function.
831 (Arm_relocate_functions::thm_movt_abs): New function.
832 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
833 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
834 (Scan::global): Likewise.
835 (Relocate::relocate): Likewise.
836 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
837
7f5309a5
ILT		 8382009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
839
840 * arm.cc (Arm_relocate_functions::got_prel) New function.
841 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
842 (Relocate::relocate): Likewise.
843 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
844
364c7fa5
ILT		 8452009-10-06 Ian Lance Taylor <iant@google.com>
846
847 * options.h (class General_options): Define
848 split_stack_adjust_size parameter.
849 * object.h (class Object): Add uses_split_stack_ and
850 has_no_split_stack_ fields. Add uses_split_stack and
851 has_no_split_stack accessor functions. Declare
852 handle_split_stack_section.
853 (class Reloc_symbol_changes): Define.
854 (class Sized_relobj): Define Function_offsets. Declare
855 split_stack_adjust, split_stack_adjust_reltype, and
856 find_functions.
857 * object.cc (Object::handle_split_stack_section): New function.
858 (Sized_relobj::do_layout): Call handle_split_stack_section.
859 * dynobj.cc (Sized_dynobj::do_layout): Call
860 handle_split_stack_section.
861 * reloc.cc (Sized_relobj::relocate_sections): Call
862 split_stack_adjust for executable sections in split_stack
863 objects. Pass reloc_map to relocate_section.
864 (Sized_relobj::split_stack_adjust): New function.
865 (Sized_relobj::split_stack_adjust_reltype): New function.
866 (Sized_relobj::find_functions): New function.
867 * target-reloc.h: Include "object.h".
868 (relocate_section): Add reloc_symbol_changes parameter. Change
869 all callers.
870 * target.h (class Target): Add calls_non_split method. Declare
871 do_calls_non_split virtual method. Declare match_view and
872 set_view_to_nop.
873 * target.cc: Include "elfcpp.h".
874 (Target::do_calls_non_split): New function.
875 (Target::match_view): New function.
876 (Target::set_view_to_nop): New function.
877 * gold.cc (queue_middle_tasks): Give an error if mixing
878 split-stack and non-split-stack objects with -r.
879 * i386.cc (Target_i386::relocate_section): Add
880 reloc_symbol_changes parameter.
881 (Target_i386::do_calls_non_split): New function.
882 * x86_64.cc (Target_x86_64::relocate_section): Add
883 reloc_symbol_changes parameter.
884 (Target_x86_64::do_calls_non_split): New function.
885 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
886 parameter.
887 * powerpc.cc (Target_powerpc::relocate_section): Add
888 reloc_symbol_changes parameter.
889 * sparc.cc (Target_sparc::relocate_section): Add
890 reloc_symbol_changes parameter.
891 * configure.ac: Call AM_CONDITIONAL for the default target.
892 * configure: Rebuild.
893 * testsuite/Makefile.am (TEST_AS): New variable.
894 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
895 (check_DATA): Add split_i386 and split_x86_64 files.
896 (SPLIT_DEFSYMS): Define.
897 (split_i386_[1234n].o): New targets.
898 (split_i386_[124]): New targets.
899 (split_i386_[1234r].stdout): New targets.
900 (split_x86_64_[1234n].o): New targets.
901 (split_x86_64_[124]): New targets.
902 (split_x86_64_[1234r].stdout): New targets.
903 (MOSTLYCLEANFILES): Add new executables.
904 * testsuite/split_i386.sh: New file.
905 * testsuite/split_x86_64.sh: New file.
906 * testsuite/split_i386_1.s: New file.
907 * testsuite/split_i386_2.s: New file.
908 * testsuite/split_i386_3.s: New file.
909 * testsuite/split_i386_4.s: New file.
910 * testsuite/split_i386_n.s: New file.
911 * testsuite/split_x86_64_1.s: New file.
912 * testsuite/split_x86_64_2.s: New file.
913 * testsuite/split_x86_64_3.s: New file.
914 * testsuite/split_x86_64_4.s: New file.
915 * testsuite/split_x86_64_n.s: New file.
916 * testsuite/testfile.cc (Target_test): Update relocation_section
917 function.
918 * testsuite/Makefile.in: Rebuild.
919
e8a9fcda
ILT		 9202009-10-06 Ian Lance Taylor <iant@google.com>
921
922 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
923 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
924 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
925 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
926 the address on ldo_addrs_.
927 (Target_i386::Relocate::fix_up_ldo): New function.
928
e99daf92
ILT		 9292009-10-06 Rafael Espindola <espindola@google.com>
930
931 * plugin.cc (add_input_library): New.
932 (Plugin::load): Add add_input_library to tv.
933 (Plugin_manager::add_input_file): Add the is_lib argument.
934 (add_input_file): Update call to Plugin_manager::add_input_file.
935 (add_input_library): New.
936 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
937
966d4097
DK		 9382009-09-30 Doug Kwan <dougkwan@google.com>
939
940 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
941 symbol and call Symbol::may_need_copy_reloc to determine if
942 a copy reloc is needed.
943 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
944 nocopyreloc is given in command line.
945 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
946 given in command line.
947 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
948 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
949 of the removed Target_i386::may_need_copy_reloc.
950 * options.h (copyreloc): New option with default value false.
951 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
952 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
953 instead of the removed Target_powerpc::may_need_copy_reloc.
954 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
955 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
956 instead of the removed Target_sparc::may_need_copy_reloc.
957 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
958 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
959 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
960 instead of the removed Target_x86_64::may_need_copy_reloc.
961
029ba973
ILT		 9622009-09-30 Ian Lance Taylor <iant@google.com>
963
964 * object.h (class Object): Remove target_ field, and target,
965 sized_target, and set_target methods.
966 (Object::sized_target): Remove.
967 (class Sized_relobj): Update declarations. Remove sized_target.
968 * object.cc (Sized_relobj::setup): Remove target parameter.
969 Change all callers.
970 (Input_objects::add_object): Don't do anything with the target.
971 (make_elf_sized_object): Add punconfigured parameter. Change all
972 callers. Set or test parameter target.
973 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
974 Change all callers.
975 * parameters.cc (Parameters::set_target): Change parameter type to
976 be non-const.
977 (Parameters::default_target): Remove.
978 (set_parameters_target): Change parameter type to be non-const.
979 (parameters_force_valid_target): New function.
980 (parameters_clear_target): New function.
981 * parameters.h (class Parameters): Update declarations. Remove
982 default_target method. Add sized_target and clear_target
983 methods. Change target_ to be non-const.
984 (set_parameters_target): Update declaration.
985 (parameters_force_valid_target): Declare.
986 (parameters_clear_target): Declare.
987 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
988 as NULL if we aren't searching.
989 (Add_symbols::run): Don't check for compatible target.
990 * fileread.cc (Input_file::open_binary): Call
991 parameters_force_valid_target.
992 * gold.cc (queue_middle_tasks): Likewise.
993 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
994 set_target on object.
995 * dynobj.h (class Sized_dynobj): Update declarations.
996 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
997 make_elf_object returns NULL.
998 (Archive::include_member): Don't check whether object target is
999 compatible.
1000 * output.cc (Output_section::add_input_section): Get target from
1001 parameters.
1002 (Output_section::relax_input_section): Likewise.
1003 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1004 parameters.
1005 (Sized_relobj::do_scan_relocs): Likewise.
1006 (Sized_relobj::relocate_sections): Likewise.
1007 * resolve.cc (Symbol_table::resolve): Likewise.
1008 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
1009 parameter. Change all callers.
1010 (Symbol_table::add_from_object): Get target from parameters.
1011 (Symbol_table::add_from_relobj): Don't check object target.
1012 (Symbol_table::add_from_dynobj): Likewise.
1013 (Symbol_table::define_special_symbol): Get target from
1014 parameters.
1015 * symtab.h (class Symbol_table): Update declaration.
1016 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1017 parameter. Change all callers. Clear parameter target.
1018 (Binary_test): Test target here.
1019 * testsuite/object_unittest.cc (gold_testsuite): Remove
1020 target_test_pointer parameter. Change all callers.
1021 (Object_test): Test target here.
1022
a6a22b83
ILT		 10232009-09-26 Ian Lance Taylor <iant@google.com>
1024
1025 * testsuite/initpri1.c: Don't try to use constructor priorities if
1026 compiling with gcc before 4.3.
1027
6a8f49fe
ILT		 10282009-09-22 Mikolaj Zalewski <mikolajz@google.com>
1029
1030 * testsuite/retain_symbols_file_test.sh (check_present): Change
1031 output file name to retain_symbols_file_test.stdout.
1032 (check_absent): Likewise.
1033
8c604651
CS		 10342009-09-18 Craig Silverstein <csilvers@google.com>
1035
1036 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1037 * options.cc: Include <cerrno> and <fstream>.
1038 (General_options::finalize): Parse -retain-symbols-file tag.
1039 * options.h: New flag.
1040 (General_options): New method should_retain_symbol, new
1041 variable symbols_to_retain.
1042 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1043 should_retain_symbol map.
1044 * testsuite/Makefile.am (retain_symbols_file_test): New test.
1045 * testsuite/Makefile.in: Regenerate.
1046 * testsuite/retain_symbols_file_test.sh: New file.
1047
ca58b19f
NC		 10482009-09-18 Nick Clifton <nickc@redhat.com>
1049
1050 * po/es.po: Updated Spanish translation.
1051
20e6d0d6
DK		 10522009-09-17 Doug Kwan <dougkwan@google.com>
1053
1054 * debug.h (DEBUG_RELAXATION): New constant.
1055 (DEBUG_ALL): Add DEBUG_RELAXATION.
1056 (debug_string_to_enum): Add relaxation debug option.
1057 * layout.cc
1058 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1059 Layout::Relaxation_debug_check::read_sections,
1060 Layout::Relaxation_debug_check::read_sections): New method definitions.
1061 (Layout::Layout): Initialize data members
1062 record_output_section_data_from_scrips_,
1063 script_output_section_data_list_ and relaxation_debug_check_.
1064 (Layout::save_segments, Layout::restore_segments,
1065 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1066 Layout::relaxation_loop_body): New method definitions.
1067 (Layout::finalize): Support relaxation. Move section layout code to
1068 Layout::relaxation_loop_body.
1069 (Layout::set_asection_address_from_script): Move code for orphan
1070 section placement out.
1071 (Layout::place_orphan_sections_in_script): New method definition.
1072 * layout.h (Output_segment_headers, Output_file_header):
1073 New forward class declarations.
1074 (Layout::~Layout): Define.
1075 (Layout::new_output_section_data_from_script): New method definition.
1076 (Layout::place_orphan_sections_in_script): New method declaration.
1077 (Layout::Segment_states): New type declaration.
1078 (Layout::save_segments, Layout::restore_segments,
1079 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1080 Layout::relaxation_loop_body): New method declarations.
1081 (Layout::Output_section_data_list): New type declaration.
1082 (Layout::Relaxation_debug_check): New class definition.
1083 (Layout::record_output_section_data_from_script_,
1084 Layout::script_output_section_data_list_, Layout::segment_states_,
1085 Layout::relaxation_debug_check_): New data members.
1086 * output.cc: (Output_section_headers::do_size): New method definition.
1087 (Output_section_headers::Output_section_headers): Move size
1088 computation to Output_section_headers::do_size.
1089 (Output_segment_headers::do_size): New method definition.
1090 (Output_file_header::Output_file_header): Move size computation to
1091 Output_file_header::do_size and call it.
1092 (Output_file_header::do_size): New method definition.
1093 (Output_data_group::Output_data_group): Adjust call to
1094 Output_section_data.
1095 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1096 (Output_symtab_xindex::do_write): Add array bound check.
1097 (Output_section::Input_section::print_to_mapfile): Handle
1098 RELAXED_INPUT_SECTION_CODE.
1099 (Output_section::Output_section): Initialize data member checkpoint_.
1100 (Output_section::~Output_section): Delete checkpoint object pointed
1101 by checkpoint_.
1102 (Output_section::add_input_section): Always add an Input_section if
1103 relaxing.
1104 (Output_section::add_merge_input_section): Add assert.
1105 (Output_section::relax_input_section): New method definition.
1106 (Output_section::set_final_data_size): Set load address to zero for
1107 an unallocated section.
1108 (Output_section::do_address_and_file_offset_have_reset_values):
1109 New method definition.
1110 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1111 Handle relaxed input section.
1112 (Output_section::sort_attached_input_sections): Checkpoint input
1113 section list lazily.
1114 (Output_section::get_input_sections): Change type of input_sections to
1115 list of Simple_input_section pointers. Checkpoint input section list
1116 lazily. Also handle relaxed input sections.
1117 (Output_section::add_input_section_for_script): Take a reference to
1118 a Simple_input_section object instead of Relobj pointer and section
1119 index as parameter. Handle relaxed input sections.
1120 (Output_section::save_states, Output_section::restore_states): New
1121 method definitions.
1122 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1123 (Output_data::is_data_size_fixed): New method definition.
1124 (Output_data::reset_addresss_and_file_offset): Do not reset data size
1125 if it is fixed.
1126 (Output_data::address_and_file_offset_have_reset_values): New method
1127 definition.
1128 (Output_data::do_address_and_file_offset_have_reset_values): New method
1129 definition.
1130 (Output_data::set_data_size): Check that data size is not fixed.
1131 (Output_data::fix_data_size): New method definition.
1132 (Output_data::is_data_size_fixed_): New data member.
1133 (Output_section_headers::set_final_data_size): New method definition.
1134 (Output_section_headers::do_size): New method declaration.
1135 (Output_segment_headers::set_final_data_size): New method definition.
1136 (Output_segment_headers::do_size): New method declaration.
1137 (Output_file_header::set_final_data_size)::New method definition.
1138 (Output_file_header::do_size)::New method declaration.
1139 (Output_section_data::Output_section_data): Add new parameter
1140 is_data_size_fixed and use it to fix data size.
1141 (Output_data_const::Output_data_const): Adjust call to base class
1142 constructor and fix data size.
1143 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1144 base class constructor and fix data size.
1145 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1146 base class constructor and fix data size.
1147 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1148 class constructor and fix data size.
1149 (Output_data_group::set_final_data_size): New method definition.
1150 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1151 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1152 class constructor and fix data size.
1153 (Output_relaxed_input_section): New class definition.
1154 (Output_section::Simple_input_section): New class definition.
1155 (Output_section::get_input_sections): Adjust parameter list.
1156 (Output_section::add_input_section_for_script): Same.
1157 (Output_section::save_states, Output_section::restore_states,
1158 Output_section::do_address_and_file_offset_have_reset_values,
1159 (Output_section::Input_section::Input_section): Handle
1160 RELAXED_INPUT_SECTION_CODE. Add new overload for
1161 Output_relaxed_input_section.
1162 (Output_section::Input_section::is_input_section,
1163 Output_section::Input_section::set_output_section): Handle relaxed
1164 input section.
1165 (Output_section::Input_section::is_relaxed_input_section,
1166 Output_section::Input_section::output_section_data,
1167 Output_section::Input_section::relaxed_input_section): New method
1168 definitions.
1169 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1170 value.
1171 (Output_section::Input_section::u1_): Update comments.
1172 (Output_section::Input_section::u2_): Add new union member poris.
1173 (Output_section::Checkpoint_output_section): New classs definition.
1174 (Output_section::relax_input_section): New method declaration.
1175 (Output_section::checkpoint_): New data member.
1176 (Output_segment): Update comments.
1177 (Output_segment::Output_segment): Un-privatize copy constructor.
1178 (Output_segment::operator=): Un-privatize.
1179 * script-sections.cc (Output_section_element::Input_section_list):
1180 Change element type to Output_section::Simple_input_section.
1181 (Output_section_element_dot_assignment::set_section_addresses):
1182 Register output section data for relaxation clean up.
1183 (Output_data_exression::Output_data_expression): Adjust call to base
1184 constructor to fix data size.
1185 (Output_section_element_data::set_section_addresses): Register
1186 Output_data_expression object for relaxation clean up.
1187 (struct Input_section_info): Replace Relobj pointer and section index
1188 pair with Output_section::Simple_input_section and Convert struct to a
1189 class.
1190 (Input_section_sorter::operator()): Adjust access to
1191 Input_section_info data member to use accessors.
1192 (Output_section_element_input::set_section_addresses): Use layout
1193 parameter. Adjust code to use Output_section::Simple_input_section
1194 and Input_secction_info classes. Register filler for relaxation
1195 clean up.
1196 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1197 and section index pair with Output_section::Simple_input_section
1198 class. Adjust code accordingly.
1199 (Phdrs_element::release_segment): New method definition.
1200 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1201 segment list.
1202 (Script_sections::release_segments): New method definition.
1203 * gold/script-sections.h (Script_sections::release_segments): New
1204 method declaration.
1205 * gold/target.h (Target::may_relax, Target::relax,
1206 Target::do_may_relax, Target::do_relax): New method definitions.
1207
5e445df6
ILT		 12082009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1209
1210 * arm.cc (has_signed_unsigned_overflow): New function.
1211 (Arm_relocate_functions::abs8): New function.
1212 (Target_arm::Scan::local): Handle R_ARM_ABS8.
1213 (Target_arm::Scan::global): Likewise.
1214 (Target_arm::relocate::relocate): Likewise.
1215 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1216 Likewise.
1217
8c604651 12182009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 1219
1220 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1221 * testsuite/Makefile.in: Regenerate.
1222
1e9cc1c2
NC		 12232009-09-11 Nick Clifton <nickc@redhat.com>
1224
1225 * po/gold.pot: Updated by the Translation project.
1226
6a89f575
CC		 12272009-09-08 Cary Coutant <ccoutant@google.com>
1228
1229 * output.cc (Output_file::open): Add execute permission to empty file.
1230 * testsuite/Makefile.am (permission_test): New test.
1231 * testsuite/Makefile.in: Regenerate.
1232
fdcac5af
ILT		 12332009-09-02 Ian Lance Taylor <iant@google.com>
1234
1235 * output.cc (Output_file::resize): Call map_no_anonymous rather
1236 than map.
1237
44453f85
ILT		 12382009-09-01 Mikolaj Zalewski <mikolajz@google.com>
1239
1240 * gold.cc: Include "incremental.h".
1241 (queue_initial_tasks): Call Incremental_checker methods.
1242 * incremental.cc: Include "output.h".
1243 (Incremental_checker::can_incrementally_link_output_file): New
1244 method.
1245 * incremental.h (Incremental_checker): New class.
1246
1247 * output.cc (Output_file::open_for_modification): New method.
1248 (Output_file::map_anonymous): Changed return type to bool. Record
1249 map in base_ field.
1250 (Output_file::map_no_anonymous): New method, broken out of map.
1251 (Output_file::map): Use map_no_anonymous and map_anonymous.
1252 * output.h (class Output_file): Update declarations.
1253
293c1386
CC		 12542009-08-24 Cary Coutant <ccoutant@google.com>
1255
1256 * options.h (Command_line::Pre_options): New class.
1257 (Command_line::pre_options): New member.
1258 * options.cc (gold::options::ready_to_register): New variable.
1259 (One_option::register_option): Do nothing if not registering options.
1260 Assert if same short option registered twice.
1261 (General_options::General_options): Turn off option registration when
1262 done constructing.
1263 (Command_line::Pre_options::Pre_options): New constructor.
1264
f773f3d2
CC		 12652009-08-24 Cary Coutant <ccoutant@google.com>
1266
06a73cfe
CC		 1267 * options.h (General_options::no_keep_memory): Remove incorrect
1268 short option.
f773f3d2 1269
a15af8e2
RW		 12702009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1271
1272 * Makefile.am (am__skiplex, am__skipyacc): New.
1273 * Makefile.in: Regenerate.
1274
c462b41b
RW		 12752009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1276
14ec8efd
RW		 1277 * Makefile.am (AM_CPPFLAGS): Renamed from ...
1278 (INCLUDES): ... this.
1279 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1280 (AM_CPPFLAGS): Renamed from ...
1281 (INCLUDE): ... this.
1282 * Makefile.in, testsuite/Makefile.in: Regenerate.
1283
81ecdfbb
RW		 1284 * Makefile.in: Regenerate.
1285 * aclocal.m4: Likewise.
1286 * config.in: Likewise.
1287 * configure: Likewise.
1288 * testsuite/Makefile.in: Likewise.
1289
c462b41b
RW		 1290 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1291 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1292 * Makefile.in: Regenerate.
1293 * testsuite/Makefile.in: Regenerate.
1294
2da73f13
CC		 12952009-08-19 Cary Coutant <ccoutant@google.com>
1296
1297 * resolve.cc (Symbol_table::resolve): Don't complain about defined
1298 symbols in shared libraries overridden by hidden or internal symbols
1299 in the main program.
1300
2db70501
CD		 13012009-08-19 Chris Demetriou <cgd@google.com>
1302
1303 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1304 checking source file names in error messages.
1305
f733487b
DK		 13062009-08-18 Doug Kwan <dougkwan@google.com>
1307
1308 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1309 an elcpp::Ehdr as parameter. Adjust call to set_target.
1310 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1311 an elfcpp::Ehdr as parameter.
1312 * object.cc (Object::set_target): Remove the version that looks up
1313 a target and sets it.
1314 (Sized_relobj::setup): Take a Target object instead of
1315 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1316 (make_elf_sized_object): Find target and ask target to
1317 make an ELF object.
1318 * object.h: (Object::set_target): Remove the version that looks up
1319 a target and sets it.
1320 (Sized_relobj::setup): Take a Target object instead of
1321 an elfcpp:Ehdr as parameter.
1322 * target.cc: Include dynobj.h.
1323 (Target::do_make_elf_object_implementation): New.
1324 (Target::do_make_elf_object): New.
1325 * target.h (Target::make_elf_object): New template declaration.
1326 (Target::do_make_elf_object): New method declarations.
1327 (Target::do_make_elf_object_implementation): New template declaration.
1328
cc70f101
ILT		 13292009-08-14 Ian Lance Taylor <iant@google.com>
1330
1331 * gold.h (FUNCTION_NAME): Define.
1332 (gold_unreachable): Use FUNCTION_NAME.
1333
ef5e0cb1
ST		 13342009-08-12 Sriraman Tallam <tmsriram@google.com>
1335
1336 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1337 symbol in the --keep-unique list is not found.
1338
48c187ce
ST		 13392009-08-12 Sriraman Tallam <tmsriram@google.com>
1340
1341 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1342 been maked as --keep-unique.
1343 (Icf::unfold_section): New function.
1344 * icf.h (Icf::unfold_section): New function.
1345 * options.h (General_options::keep_unique): New option.
1346 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1347 * testsuite/Makefile.in: Regenerate.
1348 * testsuite/icf_keep_unique_test.sh: New file.
1349 * testsuite/icf_keep_unique_test.cc: New file.
1350
645afe0c
CC		 13512009-08-12 Cary Coutant <ccoutant@google.com>
1352
1353 PR 10471
1354 * resolve.cc (Symbol_table::resolve): Check for references from
1355 dynamic objects to hidden and internal symbols.
1356 * testsuite/Makefile.am (hidden_test.sh): New test.
1357 * testsuite/Makefile.in: Regenerate.
1358 * testsuite/hidden_test.sh: New script.
1359 * testsuite/hidden_test_1.c: New test source.
1360 * testsuite/hidden_test_main.c: New test source.
1361
11af873f
DK		 13622009-08-11 Doug Kwan <dougkwan@google.com>
1363
1364 * arm.cc: Update comments.
1365 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1366 segment to locate the .ARM.exidx section if present.
1367
b9f7d72d
DK		 13682009-08-09 Doug Kwan <dougkwan@google.com>
1369
1370 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1371 patch.
1372
ddd3c53c
ST		 13732009-08-07 Sriraman Tallam <tmsriram@google.com>
1374 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1375 compiler warnings.
1376
27721062
ST		 13772009-08-06 Sriraman Tallam <tmsriram@google.com>
1378
1379 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1380 valid tls_segment only for non-debug-section relocations.
1381 * testsuite/Makefile.am: Add gc_tls_test.
1382 * testsuite/Makefile.in: Regenerate.
1383 * testsuite/gc_tls_test.cc: New file.
1384 * testsuite/gc_tls_test.sh: New file.
1385
ef15dade
ST		 13862009-08-05 Sriraman Tallam <tmsriram@google.com>
1387
1388 * icf.cc: New file.
1389 * icf.h: New file.
1390 * Makefile.am (CCFILES): Add icf.cc.
1391 (HFILES): Add icf.h
1392 * Makefile.in: Regenerate.
1393 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1394 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1395 section, symbol and addend information for the relocs.
1396 * gold.cc (queue_middle_tasks): Call identical code folding.
1397 * gold.h: Add defines for multimap.
1398 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1399 to the call of finalize_local_symbols.
1400 * main.cc (main): Create object of class Icf.
1401 * object.cc (Sized_relobj::do_layout): Allow this function to be
1402 called twice during icf.
1403 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1404 to sections marked as identical by icf.
1405 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1406 when available.
1407 (Sized_relobj::do_section_entsize): New function.
1408 * object.h (Object::section_entsize): New function.
1409 (Object::do_section_entsize): New pure virtual function.
1410 (Relobj::finalize_local_symbols): Add new parameter.
1411 (Relobj::do_section_entsize): New function.
1412 * options.h (General_options::icf): New option.
1413 (General_options::icf_iterations): New option.
1414 (General_options::print_icf_sections): New option.
1415 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1416 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1417 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1418 icf.
1419 * symtab.cc (Symbol_table::is_section_folded): New function.
1420 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1421 to sections marked as identical by icf.
1422 * symtab.h (Symbol_table::set_icf): New function.
1423 (Symbol_table::icf): New function.
1424 (Symbol_table::is_section_folded): New function.
1425 (Symbol_table::icf_): New data member.
1426 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1427 * testsuite/Makefile.am: Add commands to build icf_test.
1428 * testsuite/Makefile.in: Regenerate.
1429 * testsuite/icf_test.sh: New file.
1430 * testsuite/icf_test.cc: New file.
1431
c3b65ac4
CD		 14322009-07-24 Chris Demetriou <cgd@google.com>
1433
1434 * layout.cc (is_compressible_debug_section): Fix incorrect
1435 comment about compressed section names.
1436
1caf2c51
ILT		 14372009-07-20 Ian Lance Taylor <ian@airs.com>
1438
1439 PR 10419
1440 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1441
1ef4d87f
ILT		 14422009-07-16 Ian Lance Taylor <iant@google.com>
1443
1444 PR 10400
1445 * layout.h: #include <map>.
1446 (class Kept_section): Change from struct to class. Add accessors
1447 and setters. Add section size to Comdat_group mapping. Change
1448 Comdat_group to std::map. Add is_comdat_ field. Add
1449 linkonce_size field in union.
1450 (class Layout): Update declaration of find_or_add_kept_section.
1451 Don't declare find_kept_object.
1452 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1453 parameter. Add object, shndx, is_comdat, and is_group_name
1454 parameters. Change all callers. Adjust for new Kept_section.
1455 (Layout::find_kept_object): Remove.
1456 * object.cc (Sized_relobj::include_section_group): Update use of
1457 Kept_section. Rename secnum to shndx. Only record
1458 Kept_comdat_section if sections are the same size.
1459 (Sized_relobj::include_linkonce_section): Update use of
1460 Kept_section. Only record Kept_comdat_section if sections are the
1461 same size. Set size of linkonce section.
1462 (Sized_relobj::map_to_kept_section): Update call to
1463 get_kept_comdat_section.
1464 * object.h (class Sized_relobj): Rename fields in
1465 Kept_comdat_section to drop trailing underscores; change object
1466 field to Relobj*. Change Kept_comdat_section_table to store
1467 struct rather than pointer.
1468 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1469 Add kept_object and kept_shndx parameters. Change all callers.
1470 (Sized_relobj::get_kept_comdat_section): Change return type to
1471 bool. Add kept_object and kept_shndx parameters. Change all
1472 callers.
1473 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1474 Layout::find_or_add_kept_section.
1475
37c3b7b0
ILT		 14762009-07-09 Ian Lance Taylor <iant@google.com>
1477
1478 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1479 Reserve space in the hash table.
1480
98fa85cb
ILT		 14812009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1482
1483 * fileread.cc (File_read::get_mtime): New method.
1484 * fileread.h (Timespec): New structure.
1485 (File_read::get_mtime): New method.
1486 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1487 Renamed from timestamp_nsec.
1488 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1489 Elf_Xword.
1490 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1491 timestamp_nsec.
1492 (Incremental_inputs::report_archive): Save mtime; style fix.
1493 (Incremental_inputs::report_obejct): Save mtime; style fix.
1494 (Incremental_inputs::report_script): Save mtime; style fix.
1495 (Incremental_inputs::finalize_inputs): Style fix.
1496 (Incremental_inputs::finalize): Style fix.
1497 (Incremental_inputs::create_input_section_data): Store inputs
1498 mtime.
1499 * incremental.h (Incremental_inputs::report_script): Add mtime
1500 argument.
1501 (Incremental_inputs::Input_info::Input_info): Intialize only one
1502 union member.
1503 (Incremental_inputs::Input_info::archive): Move to nameless
1504 union.
1505 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1506 (Incremental_inputs::Input_info::script): Move to nameless union.
1507 (Incremental_inputs::mtime): New field.
1508 * script.cc (read_input_script): Pass file mtime to
1509 Incremental_input.
1510 * script.h (Script_info::inputs): Style fix.
1511
c9d70757
ILT		 15122009-07-01 Ian Lance Taylor <ian@airs.com>
1513
1514 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1515 instead of 32.
1516
9c547ec3
ILT		 15172009-06-24 Ian Lance Taylor <iant@google.com>
1518
1519 PR 10156
1520 * layout.cc (Layout::choose_output_section): If we find an
1521 existing section, update the flags.
1522 (Layout::create_notes): New function, broken out of
1523 Layout::finalize.
1524 (Layout::finalize): Don't create note sections.
1525 (Layout::create_note): Don't crash if linker script discards
1526 section.
1527 (Layout::create_gold_note): Likewise.
1528 (Layout::create_build_id): Likewise. Don't set
1529 after_input_sections on the section.
1530 (Layout::create_executable_stack_info): Remove target parameter.
1531 Change caller.
1532 * layout.h (class Layout): Declare create_notes. Update
1533 declaration of create_executable_stack_info.
1534 * gold.cc (queue_middle_tasks): Call create_notes.
1535 * output.cc (Output_section::update_flags_for_input_section): Move
1536 here from output.h. If SHF_ALLOC flag is newly set, mark address
1537 invalid.
1538 * output.h (Output_data::mark_address_invalid): New function.
1539 (class Output_section): Only declare, not define,
1540 update_flags_for_input_section. Remove set_flags.
1541
55458500
ILT		 15422009-06-24 Ian Lance Taylor <iant@google.com>
1543
1544 * script-sections.cc (Output_section_definition::
1545 set_section_addresses): Rename shadowing local load_address to
1546 laddr.
1547
1307d6cd
ILT		 15482009-06-24 Ian Lance Taylor <iant@google.com>
1549
1550 PR 10244
1551 * reloc.cc (relocate_sections): Skip empty relocation sections.
1552
ec3f783e
ILT		 15532009-06-23 Ian Lance Taylor <iant@google.com>
1554
1555 PR 10156
1556 * layout.cc (Layout::create_note): Use choose_output_section
1557 rather than make_output_section.
1558
459c9f1c
ILT		 15592009-06-23 Ian Lance Taylor <iant@google.com>
1560
1561 PR 10237
1562 * options.cc (General_options::parse_V): Set printed_version_.
1563 (General_options::General_options): Initialize printed_version_.
1564 * options.h (class General_options): Add printed_version_ field.
1565 * gold.cc (queue_initial_tasks): If there are no input files,
1566 don't give a fatal error if we printed the version information.
1567 (queue_middle_tasks): If using -r with a shared object, give a
1568 fatal error rather than an ordinary error.
1569
1518dc8f
ILT		 15702009-06-23 Ian Lance Taylor <iant@google.com>
1571
1572 PR 10219
1573 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1574 (Layout::make_output_section): Set have_stabstr_section_ if we see
1575 a .stab*str section.
1576 (Layout::finalize): Call link_stabs_sections.
1577 (Layout::link_stabs_sections): New file.
1578 * layout.h (class Layout): Add have_stabstr_section_ field.
1579 Declare link_stabs_sections.
1580
3d857b98
DK		 15812009-06-23 Doug Kwan <dougkwan@google.com>
1582
1583 * Makefile.am (libgold_a_LIBADD): New.
1584 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1585 * Makefile.in: Regenerate.
1586 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1587 * configure: Regenerate.
1588 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1589 * fileread.cc: Include sys/state.h
1590 * gold.h: Declare memmem and strndup if found missing.
1591 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1592
0639a6f6
ILT		 15932009-06-23 Ian Lance Taylor <iant@google.com>
1594
1595 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1596 * configure: Rebuild.
1597
8d63875c
ILT		 15982009-06-23 Ian Lance Taylor <iant@google.com>
1599
1600 PR 10147
1601 * object.cc (Object::section_contents): Don't try to get a view if
1602 the section has length zero.
1603 (Object::handle_gnu_warning_section): If the section is empty, use
1604 the name of the section as the warning.
1605
f7c8a183
ILT		 16062009-06-23 Ian Lance Taylor <iant@google.com>
1607
1608 PR 10133
1609 * stringpool.h (class Stringpool_template): Add optimize_ field.
1610 (Stringpool_template::set_optimize): New function.
1611 * stringpool.cc (Stringpool_template::Stringpool_template):
1612 Initialize optimize_ field.
1613 (Stringpool_template::set_string_offsets): Test local optimize
1614 fild rather than parameter.
1615 * layout.cc (Layout::Layout): Call set_optimize on the section
1616 name stringpool.
1617
e6a307ba
ILT		 16182009-06-22 Ian Lance Taylor <iant@google.com>
1619
1620 PR 10030
1621 * yyscript.y: Parse TARGET.
1622 * script.cc (script_set_target): New function.
1623 * script-c.h (script_set_target): Declare.
1624 * options.cc (General_options::string_to_object_format): Rename
1625 from string_to_object_format in anonymous namespace. Change
1626 callers.
1627 * options.h (class General_options): Declare
1628 string_to_object_format.
1629
3ee173de
ILT		 16302009-06-22 Ian Lance Taylor <iant@google.com>
1631
1632 * script-sections.cc (Script_sections::create_segments): Don't put
1633 program headers in a PT_LOAD segment if -n or -N.
1634
16352009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 1636
1637 PR 10141
1638 * options.h (class General_options): Add -z lazy and -z now. Sort
1639 -z options into alphabetical order.
1640 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1641
cd6739a1 16422009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 1643
1644 * layout.cc (Layout::make_output_section): Call
1645 Target::new_output_section.
1646 (Layout::attach_allocated_section_to_segment): Put large section
1647 sections in a separate load segment with the large segment flag
1648 set.
1649 (Layout::segment_precedes): Sort large data segments after other
1650 load segments.
1651 (align_file_offset): New static function.
1652 (Layout::set_segment_offsets): Use align_file_offset.
1653 * output.h (class Output_section): Add is_small_section_ and
1654 is_large_section_ fields.
1655 (Output_section::is_small_section): New function.
1656 (Output_section::set_is_small_section): New function.
1657 (Output_section::is_large_section): New function.
1658 (Output_section::set_is_large_section): New function.
1659 (Output_section::is_large_data_section): New function.
1660 (class Output_segment): Add is_large_data_segment_ field.
1661 (Output_segment::is_large_data_segment): New function.
1662 (Output_segment::set_is_large_data_segment): New function.
1663 * output.cc (Output_section::Output_section): Initialize new
1664 fields.
1665 (Output_segment::Output_segment): Likewise.
1666 (Output_segment::add_output_section): Add assertion that large
1667 data sections always go in large data segments. Force small data
1668 sections to the end of the list of data sections. Force small BSS
1669 sections to the start of the list of BSS sections. For large BSS
1670 sections to the end of the list of BSS sections.
1671 * symtab.h (class Symbol): Declare is_common_shndx.
1672 (Symbol::is_defined): Check Symbol::is_common_shndx.
1673 (Symbol::is_common): Likewise.
1674 (class Symbol_table): Define enum Commons_section_type. Update
1675 declarations. Add small_commons_ and large_commons_ fields.
1676 * symtab.cc (Symbol::is_common_shndx): New function.
1677 (Symbol_table::Symbol_table): Initialize new fields.
1678 (Symbol_table::add_from_object): Put small and large common
1679 symbols in the right list.
1680 (Symbol_table::sized_finalized_symbol): Check
1681 Symbol::is_common_shndx.
1682 (Symbol_table::sized_write_globals): Likewise.
1683 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1684 common symbol lists. Don't call do_allocate_commons_list if the
1685 list is empty.
1686 (Symbol_table::do_allocate_commons_list): Remove is_tls
1687 parameter. Add comons_section_type parameter. Change all
1688 callers. Handle small and large common symbols.
1689 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1690 Symbol::is_common_shndx.
1691 * resolve.cc (symbol_to_bits): Likewise.
1692 * target.h (Target::small_common_shndx): New function.
1693 (Target::small_common_section_flags): New function.
1694 (Target::large_common_shndx): New function.
1695 (Target::large_common_section_flags): New function.
1696 (Target::new_output_section): New function.
1697 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1698 small_common_section_flags, and large_common_section_flags
1699 fields.
1700 (Target::do_new_output_section): New virtual function.
1701 * arm.cc (Target_arm::arm_info): Initialize new fields.
1702 * i386.cc (Target_i386::i386_info): Likewise.
1703 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1704 Likewise.
1705 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1706 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1707 (Target_x86_64::do_new_output_section): New function.
1708 * configure.ac: Define conditional MCMODEL_MEDIUM.
1709 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1710 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1711 (large_LDFLAGS): Define.
1712 * testsuite/large.c: New file.
1713 * testsuite/testfile.cc (Target_test::test_target_info):
1714 Initialize new fields.
1715 * configure, testsuite/Makefile.in: Rebuild.
1716
bb04269c
DK		 17172009-06-05 Doug Kwan <dougkwan@google.com>
1718
1719 * Makefile.am (CCFILES): Add target.cc.
1720 * Makefile.in: Regenerate.
1721 * i386.cc (class Target_i386): Define new virtual method to
1722 override do_is_local_label_name in parent.
1723 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1724 local symbols if --discard-locals or -X is given.
1725 * options.h (class General_options): Declare new options
1726 '--discard-locals' and '-X' for discarding locals.
1727 * target.h (class Target): Define new methods is_local_label_name.
1728 Declare new virtual method do_is_local_label_name.
1729 * target.cc: New file.
1730 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1731 (check_SCRIPTS): Add discard_locals_test.sh.
1732 (check_DATA): Add discard_local_tests.syms.
1733 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1734 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1735 * testsuite/Makefile.in: Regenerate.
1736 * testsuite/discard_locals_test.c: New file.
1737 * testsuite/discard_locals_test.sh: Same.
1738
805bb01c
DK		 17392009-06-05 Doug Kwan <dougkwan@google.com>
1740
1741 * object.cc (Sized_relobj::Sized_relobj): Initialize
1742 discarded_eh_frame_shndx_ to -1U.
1743 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1744 section.
1745 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1746 a discarded .eh_frame section.
1747 (Sized_relobj::do_finalize_local_symbols): Ditto.
1748 * object.h (class Sized_relobj): Declare new member
1749 discarded_eh_frame_shndx_.
1750 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1751 (local_labels_test.o, local_labels_test): New rules.
1752 * testsuite/Makefile.in: Regenerate.
1753
1dcd334d
DK		 17542009-06-04 Doug Kwan <dougkwan@google.com>
1755
1756 * layout.cc (Layout::section_name_mapping): Add mapping for
1757 special ARM sections.
1758
96d49306
DK		 17592009-06-03 Doug Kwan <dougkwan@google.com>
1760
1761 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1762 (utils::has_overflow): Same.
1763
dff16297
ILT		 17642009-06-03 Ian Lance Taylor <iant@google.com>
1765
1766 * layout.cc (Layout::section_name_mapping): New array, replacing
1767 Layout::linkonce_mapping.
1768 (Layout::section_name_mapping_count): New variable, replacing
1769 Layout::linkonce_mapping_count.
1770 (Layout::linkonce_output_name): Remove.
1771 (Layout::output_section_name): Rewrite.
1772 * layout.h (class Layout): Rename Linkonce_mapping to
1773 Section_name_mapping, linkonce_mapping to section_name_mapping,
1774 linkonce_mapping_count to section_name_mapping_count. Don't
1775 declare linkonce_output_name.
1776
c121c671
DK		 17772009-06-03 Doug Kwan <dougkwan@google.com>
1778
1779 * gold/arm.cc (namespace utils): New.
1780 (Target_arm::reloc_is_non_pic): Define new method.
1781 (class Arm_relocate_functions): New.
1782 (Target_arm::Relocate::relocate): Handle relocation types used by
1783 Android.
1784
07800fab
ILT		 17852009-06-03 Ian Lance Taylor <iant@google.com>
1786
1787 * arm.cc (Target_arm::scan::global): Use || instead of |.
1788
c121c671
DK		 17892009-06-02 Doug Kwan <dougkwan@google.com>
1790
1791 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1792 issued_non_pic_error_.
1793 (class Target_arm::Scan): Declare new method check_non_pic.
1794 Define new method symbol_needs_plt_entry.
1795 Declare new data member issued_non_pic_error_.
1796 (class Target_arm::Relocate): Declare new method
1797 should_apply_static_reloc.
1798 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1799 (Target_arm::Scan::check_non_pic): Define new method.
1800 (Target_arm::Scan::local): Handle a small subset of reloc types used
1801 by Android.
1802 (Target_arm::Scan::local): Same.
1803 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1804
b19b0c6d
ILT		 18052009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1806
1807 * incremental.cc (Incremental_inputs::report_command_line): Filter
1808 out --incremental-* options.
1809
94cdfcff
DK		 18102009-05-29 Doug Kwan <dougkwan@google.com>
1811
1812 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1813 template class.
1814 (class Target_arm): Update comment.
1815 (Target_arm::Target_arm): Initialize new data members GOT_,
1816 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1817 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1818 and Target_arm::rel_dyn_section.
1819 Declare new_enum Target_arm::Got_type.
1820 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1821 and DYNBSS_.
1822 Update commments for member do_dynsym_value.
1823 (Target_arm::got_size, Target_arm::plt_section,
1824 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1825 new methods inside class defintion.
1826 (Target_arm::got_section): Define new method.
1827 (Target_arm::rel_dyn_section): Same.
1828 (Output_data_plt_arm): New template class.
1829 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1830 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1831 (Output_data_plt_arm::add_entry): Same.
1832 (Output_data_plt_arm::first_plt_entry): Define new
1833 static data member for PLT instruction template.
1834 (Output_data_plt_arm::plt_entry): Same.
1835 (Output_data_plt_arm::do_write): Define new method.
1836 (Target_arm::make_plt_entry): Same.
1837 (Target_arm::do_finalize_sections): Same.
1838 (Target_arm::do_dynsym_value): Same.
1839
4a657b0d
DK		 18402009-05-28 Doug Kwan <dougkwan@google.com>
1841
1842 * Makefile.am (TARGETSOURCES): Add arm.cc.
1843 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1844 * Makefile.in: Regenerate.
1845 * arm.cc: New file.
1846 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1847
e7ae8c36
DK		 18482009-05-26 Doug Kwan <dougkwan@google.com>
1849
1850 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1851 (General_options::check_excluded_libs): Strip off directories in
1852 archive name before matching like GNU ld does.
1853 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1854 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1855 (exclude_libs_test_LDFLAGS): Add linker option
1856 -Wl,--exclude-libs,libexclude_libs_test_3
1857 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1858 an explicit archive without using -l.
1859 (alt/libexclude_libs_test_3.a): New make rule.
1860 * testsuite/Makefile.in: Regenerate.
1861 * testsuite/exclude_libs_test.c : Declare lib3_default().
1862 (main): Call it.
1863 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1864 * exclude_libs_test_3.c: New file.
1865
f12e7348
NC		 18662009-05-26 Nick Clifton <nickc@redhat.com>
1867
1868 * po/id.po: New Indonesian translation.
1869 * po/gold.pot: Updated template file.
1870
4daadc0d
ST		 18712009-05-22 Sriraman Tallam <tmsriram@google.com>
1872
1873 * testsuite/Makefile.am: Add -ffunction-sections to compile
1874 gc_comdat_test files. Add -Wl,--gc-sections to build
1875 gc_comdat_test.
1876 * testsuite/Makefile.in: Regenerate.
1877 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1878
531813ad
ST		 18792009-05-21 Sriraman Tallam <tmsriram@google.com>
1880
1881 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1882 kept comdat section was garbage collected.
1883 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1884 * testsuite/Makefile.in: Regenerate.
1885 * testsuite/gc_comdat_test.sh: New file.
1886 * testsuite/gc_comdat_test_1.cc: New file.
1887 * testsuite/gc_comdat_test_2.cc: New file.
1888
65514900
CC		 18892009-05-19 Doug Kwan <dougkwan@google.com>
1890
1891 * archive.cc (Archive::Archive): Move constructor from archive.h
1892 to here. Initialize no_export_.
1893 (Archive::get_elf_object_for_member): Set no_export flag of object.
1894 * archive.h (Archive::Archive): Move constructor body to
1895 archive.cc.
1896 (Archive::no_export): New method.
1897 (Archive::no_export_): New field.
1898 * object.h (Object::Object): Initialize no_export_ to false.
1899 (Object::no_export, Object::set_no_export): New methods.
1900 (Object::no_export_): New field.
1901 * options.cc (General_options::parse_exclude_libs): New method.
1902 (General_options::check_excluded_libs) Same.
1903 * options.h (exclude_libs): New option.
1904 (General_options::check_excluded_libs): New method declaration.
1905 (General_options::excluded_libs_): New field.
1906 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1907 default or protected visibility if an object has no-export flag set.
1908 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1909 (check_SCRIPTS): Add exclude_libs_test.sh.
1910 (check_DATA): Add exclude_libs_test.syms.
1911 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1912 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1913 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1914 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1915 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1916 libexclude_libs_test_2.a): New rules.
1917 * testsuite/Makefile.in: Regenerate.
1918 * testsuite/exclude_libs_test.c: New file.
1919 * testsuite/exclude_libs_test.sh: Ditto.
1920 * testsuite/exclude_libs_test_1.c: Ditto.
1921 * testsuite/exclude_libs_test_2.c: Ditto.
1922
1b77ea50
ILT		 19232009-05-15 Ian Lance Taylor <iant@google.com>
1924
1925 * configure.ac: Check for declarations for cases where libiberty.h
1926 checks HAVE_DECL_xxx.
1927 * configure, config.in: Rebuild.
1928
072fe7ce
ILT		 19292009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1930
1931 * gold.h (Incremental_argument_list): Remove (invalid) forward
1932 declaration.
1933 * incremental.cc (Incremental_inputs::report_achive): New method.
1934 (Incremental_inputs::report_object): New method.
1935 (Incremental_inputs::report_script): New method.
1936 (Incremental_inputs::finalize_inputs): New method.
1937 (Incremental_inputs::finalize): Call finalize_inputs().
1938 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1939 Create inputs entries.
1940 * incremental.h (Incremental_input_type): New enum.
1941 (Incremental_inputs::Incremental_input): Initialize new fields.
1942 (Incremental_inputs::report_inputs): New method.
1943 (Incremental_inputs::report_achive): New method.
1944 (Incremental_inputs::report_object): New method.
1945 (Incremental_inputs::report_script): New method.
1946 (Incremental_inputs::finalize_inputs): New method.
1947 (Incremental_inputs::Input_info): New struct.
1948 (Incremental_inputs::Input_info_map): New typedef.
1949 (Incremental_inputs::lock_): New field.
1950 (Incremental_inputs::Inputs_): New field.
1951 (Incremental_inputs::Inputs_map): New field.
1952 * main.cc (main): Call Incremental_input::report_inputs.
1953 * options.h (Input_argument_list): Typedef moved from
1954 Input_arguments.
1955 (Input_file_group::Files): Remove, use ::Input_argument_list.
1956 (Input_file_group::Input_argument_list): Remove, use
1957 ::Input_argument_list.
1958 * plugin.cc (Plugin_manager::add_input_file): Add error in
1959 incremental build.
1960 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1961 functions.
1962 * script.cc (read_input_script): Call
1963 Incremental_input::report_script.
1964 * script.h (Script_info): New class.
1965
b0481b0b
ILT		 19662009-04-27 Ian Lance Taylor <iant@google.com>
1967
1968 * x86_64.cc (do_adjust_output_section): Set entsize to
1969 plt_entry_size.
1970
b22a5a41 19712009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 1972
1973 * output.cc (Output_file::close): After short writes, continue
1974 writing from the correct offset in the buffer being written.
1975
40fde488
CD		 19762009-04-23 Chris Demetriou <cgd@google.com>
1977
1978 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1979 * configure: Regenerate.
1980 * config.in: Regenerate.
1981 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1982 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1983
3ce2c28e
ILT		 19842009-04-21 Mikolaj Zalewski <mikolajz@google.com>
1985
1986 * incremental.cc (Incremental_inputs_header_data): Renamed from
1987 Incremental_input_header_data.
1988 (Incremental_inputs_header_data::data_size): New field.
1989 (Incremental_inputs_header_data::put_input_file_count): Renamed
1990 from input_file_count.
1991 (Incremental_inputs_header_data::put_command_line_offset): Renamed
1992 from command_line_offset.
1993 (Incremental_inputs_header_data::put_reserved): Renamed from
1994 put_reserved.
1995 (Incremental_inputs_entry_data): Renamed from
1996 Incremental_input_entry_data.
1997 (Incremental_inputs_entry_data::data_size): New field.
1998 (Incremental_inputs::report_command_line): New method.
1999 (Incremental_inputs::finalize): New method.
2000 (Incremental_inputs::create_incremental_inputs_data): New method.
2001 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2002 * incremental.h: New file.
2003 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2004 (Layout::finalize): Create incremental inputs section in
2005 incremental builds.
2006 (Layout::create_incremental_info_sections): New method.
2007 * layout.h (Layout::incremental_inputs): New method.
2008 (Layout::create_incremental_info_sections): New method.
2009 (Layout::incremental_inputs_): New field.
2010 * main.cc (main): Notify Incremental_input of the command line.
2011
e55bde5e
ILT		 20122009-04-01 Ian Lance Taylor <iant@google.com>
2013 Mikolaj Zalewski <mikolajz@google.com>
2014
2015 * gold.h (reserve_unordered_map): Define, three versions, one for
2016 each version of Unordered_map.
2017 * layout.cc (Layout::Layout): Remove options parameter. Add
2018 number_of_input_files parameter. Don't initialize options_.
2019 Initialize number_of_input_files_ and resized_signatures_. Move
2020 sections_are_attached_.
2021 (Layout::layout_group): Reserve space for group_signatures_.
2022 (Layout::find_or_add_kept_section): Change name parameter to be a
2023 reference. Resize signatures_ map when it gets large enough.
2024 (Layout::layout_eh_frame): Use parameters->options() instead of
2025 this->options_.
2026 (Layout::make_output_section): Likewise.
2027 (Layout::attach_allocated_section_to_segment): Likewise.
2028 (Layout::finalize, Layout::create_executable_stack): Likewise.
2029 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2030 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2031 * layout.h (class Layout): Update declarations. Remove options_
2032 field. Add number_of_input_files_ and resized_signatures_
2033 fields. Move sections_are_attached_ field.
2034 * main.cc (main): Pass number of input files to Layout
2035 constructor. Don't pass options.
2036
154b857c
ILT		 20372009-03-30 Ian Lance Taylor <iant@google.com>
2038
2039 * ffsll.c (ffsll): Correct implementation.
2040
2f35ab9b
ILT		 20412009-03-27 Ian Lance Taylor <iant@google.com>
2042
fd03461a
ILT		 2043 * ffsll.c: New file.
2044 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2045 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2046 * ftruncate.c (ftruncate): Declare before definition.
2047 * mremap.c (mremap): Likewise.
2048 * pread.c (pread): Likewise.
2049 * configure, Makefile.in, config.in: Rebuild.
2050
2f35ab9b
ILT		 2051 * mremap.c: New file.
2052 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2053 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2054 (mremap): Declare if HAVE_MREMAP is not defined.
2055 * configure, Makefile.in, config.in: Rebuild.
2056
33aea2fd
CC		 20572009-03-27 Cary Coutant <ccoutant@google.com>
2058
2059 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2060 position independent.
2061 * sparc.cc (Target_sparc::check_non_pic): Likewise.
2062 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2063
6d479619
CC		 20642009-03-24 Cary Coutant <ccoutant@google.com>
2065
2066 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2067 an executable.
2068 (needs_dynamic_reloc): Likewise.
2069
afc06bb8
ILT		 20702009-03-24 Ian Lance Taylor <iant@google.com>
2071
2072 * yyscript.y (file_cmd): Recognize EXTERN.
2073 (extern_name_list, extern_name_list_body): New nonterminals.
2074 * script.cc (script_add_extern): Define.
2075 * script-c.h (script_add_extern): Declare.
2076
f6060a4d
ILT		 20772009-03-24 Rafael Avila de Espindola <espindola@google.com>
2078
2079 * object.cc (is_elf_object): Define.
2080 * object.h (is_elf_object): Declare.
2081 * archive.cc (Archive::get_elf_object_for_member): Call
2082 is_elf_object.
33aea2fd 2083 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 2084
26736d8e
ILT		 20852009-03-24 Elliott Hughes <enh@google.com>
2086
2087 * output.cc (Output_file::map_anonymous): Define.
2088 (Output_file::map): Use map_anonymous. If the regular mmap fails,
2089 try an anonymous one. Report the size if the mmap fails.
2090 * output.h (class Output_file): Declare map_anonymous.
2091
22fd9730
ILT		 20922009-03-24 Ian Lance Taylor <iant@google.com>
2093
2094 * target-select.cc (instantiate_target): Don't acquire the lock if
2095 the instantiated_target_ field has already been set.
2096
cb010894
ILT		 20972009-03-23 Ian Lance Taylor <iant@google.com>
2098
7f055c20
ILT		 2099 * gold-threads.h (class Initialize_lock): Define.
2100 * gold-threads.cc (class Initialize_lock_once): Define.
2101 (initialize_lock_control): New static variable.
2102 (initialize_lock_pointer): New static variable.
2103 (initialize_lock_once): New static function.
2104 (Initialize_lock::Initialize_lock): Define.
2105 (Initialize_lock::initialize): Define.
2106 * target-select.h: Include "gold-threads.h".
2107 (class Target_selector): Add lock_ and initialize_lock_ fields.
2108 Don't define instantiate_target, just declare it.
2109 * target-select.cc (Target_selector::Target_selector): Initialize
2110 new fields.
2111 (Target_selector::instantiate_target): Define.
2112 * descriptors.h: Include "gold-threads.h".
2113 (class Descriptors): Add initialize_lock_ field.
2114 * descriptors.cc (Descriptors::Descriptors): Initialize new
2115 field.
2116 (Descriptors::open): Use initialize_lock_ field
2117 * errors.h (class Errors): Add initialize_lock_ field.
2118 * errors.cc (Errors::Errors): Initialize new field.
2119 (Errors::initialize_lock): Use initialize_lock_ field.
2120 * powerpc.cc (class Target_selector_powerpc): Remove
2121 instantiated_target_ field. In do_recognize call
2122 instantiate_target rather than do_instantiate_target. In
2123 do_instantiate_target just allocate a new target.
2124 * sparc.cc (class Target_selector_sparc): Likewise.
2125
36959681
ILT		 2126 * freebsd.h: New file.
2127 * i386.cc: Include "freebsd.h".
2128 (Target_i386): Derive from Target_freebsd rather than
2129 Sized_target.
2130 (Target_selector_i386): Derive from Target_selector_freebsd rather
2131 than Target_selector.
2132 * x86_64.cc: Include "freebsd.h".
2133 (Target_x86_64): Derive from Target_freebsd rather than
2134 Sized_target.
2135 (Target_selector_x86_64): Derive from Target_selector_freebsd
2136 rather than Target_selector.
2137 * target.h (class Target): Add adjust_elf_header and
2138 do_adjust_elf_header.
2139 * output.cc (Output_file_header:: do_sized_write): Call target
2140 adjust_elf_header routine.
2141 * configure.tgt: Set targ_osabi.
2142 * configure.ac: Define GOLD_DEFAULT_OSABI.
2143 * parameters.cc (Parameters::default_target): Pass
2144 GOLD_DEFAULT_OSABI to select_target.
2145 * target-select.h (class Target_selector): Make instantiate_target
2146 protected rather than private.
2147 * Makefile.am (HFILES): Add freebsd.h.
2148 * configure, Makefile.in, config.in: Rebuild.
2149
cb010894
ILT		 2150 * merge.cc (do_add_input_section): Correct pend value. Change
2151 message about last entry not being null terminated from error to
2152 warning.
2153
0e879927
ILT		 21542009-03-20 Mikolaj Zalewski <mikolajz@google.com>
2155
2156 * incremental.cc: New file.
2157 * Makefile.am (CCFILES): Add incremental.cc.
2158 * Makefile.in: Rebuild.
2159
41105937
PP		 21602009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
2161
2162 * layout.cc (Layout::output_section_name): Preserve names
2163 of '.note.' sections.
2164
60439920
ILT		 21652009-03-19 Ian Lance Taylor <iant@google.com>
2166
2167 * descriptors.cc (Descriptors::open): Check that the options are
2168 valid before using them.
2169
0d371ad3
ILT		 21702009-03-18 Ian Lance Taylor <iant@google.com>
2171
2172 * script-sections.h: Include <list>.
2173 (class Script_sections): Change Sections_elements from std::vector
2174 to std::list. Typedef public Elements_iterator. Add
2175 orphan_section_placement_, data_segment_align_start_, and
2176 saw_data_segment_align_ fields. Remove data_segment_align_index_
2177 field.
2178 * script-sections.cc (class Orphan_section_placement): New class.
2179 (class Sections_element): Add virtual functions is_relro and
2180 orphan_section_init. Remove virtual function place_orphan_here.
2181 (class Output_section_definition): Add is_relro and
2182 orphan_section_init. Remove place_orphan_here.
2183 (class Orphan_output_section): Likewise.
2184 (Script_sections::Script_sections): Update for field changes.
2185 (Script_sections::data_segment_align): Set saw_data_segment_align_
2186 and data_segment_align_start_, not data_segment_align_index.
2187 (Script_sections::data_segment_relro_end): Check
2188 saw_data_segment_align_. Use data_segment_align_start_ rather
2189 than data_segment_align_index_.
2190 (Script_sections::place_orphan): Rewrite to use
2191 Orphan_section_placement.
2192
9201d894
ILT		 21932009-03-17 Ian Lance Taylor <iant@google.com>
2194
9c5b8369
ILT		 2195 * archive.cc (Archive::add_symbols): Check for a version attached
2196 to the symbol name in the archive map.
2197 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2198 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2199 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2200 (ver_test_11.a): New target.
2201 * testsuite/Makefile.in: Rebuild.
2202
9201d894
ILT		 2203 * configure.ac: Check for chsize and posix_fallocate. Replace
2204 ftruncate.
2205 * ftruncate.c: New file, from gnulib.
2206 * output.cc (posix_fallocate): Define dummy version if not
2207 HAVE_POSIX_FALLOCATE.
2208 (Output_file::map): Call posix_fallocate rather than lseek and
2209 write.
2210 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2211 * configure, Makefile.in, config.in: Rebuild.
2212
ef4ab7a8
PP		 22132009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
2214
2215 * layout.h (Layout::create_note): Add section_name parameter.
2216 * layout.cc (Layout::create_note): Likewise.
2217 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2218
8c500701
ILT		 22192009-03-17 Ian Lance Taylor <iant@google.com>
2220
e85b18e1
ILT		 2221 * descriptors.cc: Include "options.h".
2222 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2223 (Descriptors::open): Always use O_CLOEXEC when opening a new
2224 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
2225 then set FD_CLOEXEC.
2226
9efe6174
ILT		 2227 * sparc.cc (class Target_sparc): Add has_got_section.
2228 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2229 make sure we have a GOT section.
2230
2231 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2232 (Target_sparc::Scan::local): Likewise.
2233 (Target_sparc::Scan::global): Likewise.
2234 (Target_sparc::Relocate::relocate): Likewise.
2235 (Target_sparc::Relocate::relocate_tls): Likewise.
2236
8c500701
ILT		 2237 * symtab.cc (Symbol_table::define_default_version): New function,
2238 broken out of add_from_object.
2239 (Symbol_table::add_from_object): Call define_default_version.
2240 (Symbol_table::define_special_symbol): Add resolve_oldsym
2241 parameter. Change all callers. If the version for a symbol comes
2242 from a version script, resolve it with the symbol with the same
2243 name with no version. Also add the symbol without a version if
2244 appropriate.
2245 (do_define_in_output_data): If resolving with oldsym, don't delete
2246 sym.
2247 (do_define_in_output_segment): Likewise.
2248 (do_define_as_constant): Likewise.
2249 * symtab.h (class Symbol_table): Update declarations.
2250
f1ed28fb
ILT		 22512009-03-13 Ian Lance Taylor <iant@google.com>
2252
15f8229b
ILT		 2253 * readsyms.cc (Read_symbols::incompatible_warning): New function.
2254 (Read_symbols::requeue): New function.
2255 (Read_symbols::do_read_symbols): If make_elf_object fails because
2256 the target type is not configured, and the file was searched for,
2257 issue a warning and retry with the next directory.
2258 (Add_symbols::run): If the file has an incompatible format, and
2259 it was searched for, requeue the Read_symbols task. On error,
2260 release the object.
2261 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
2262 dirindex parameter to constructor. Change all callers. Declare
2263 incompatible_warning and requeue.
2264 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2265 input_argument_ and input_group_ fields. Add them to
2266 constructor. Change all callers.
2267 (class Read_script): Add dirindex_ field. Add it to constructor.
2268 Change all callers.
2269 * archive.cc (Archive::setup): Remove input_objects parameter.
2270 Change all callers.
2271 (Archive::get_file_and_offset): Likewise.
2272 (Archive::read_all_symbols): Likewise.
2273 (Archive::read_symbols): Likewise.
2274 (Archive::get_elf_object_for_member): Remove input_objects
2275 parameter. Add punconfigured parameter. Change all callers.
2276 (Archive::add_symbols): Change return type to bool. Check return
2277 value of include_member.
2278 (Archive::include_all_members): Likewise.
2279 (Archive::include_member): Change return type to bool. Return
2280 false if first included object has incompatible target. Set
2281 included_member_ field.
2282 (Add_archive_symbols::run): If add_symbols returns false, requeue
2283 Read_symbols task.
2284 * archive.h (class Archive): Add included_member_ field.
2285 Initialize it in constructor. Add input_file and searched_for
2286 methods. Update declarations.
2287 (class Add_archive_symbols): Add dirpath_, dirindex_, and
2288 input_argument_ fields. Add them to constructor. Change all
2289 callers.
2290 * script.cc: Include "target-select.h".
2291 (class Parser_closure): Add skip_on_incompatible_target_ and
2292 found_incompatible_target_ fields. Add
2293 skip_on_incompatible_target parameter to constructor. Change all
2294 callers. Add methods skip_on_incompatible_target,
2295 clear_skip_on_incompatible_target, found_incompatible_target, and
2296 set_found_incompatible_target.
2297 (read_input_script): Add dirindex parameter. Change all callers.
2298 If parser finds an incompatible target, requeue Read_symbols
2299 task.
2300 (script_set_symbol): Clear skip_on_incompatible_target in
2301 closure.
2302 (script_add_assertion, script_parse_option): Likewise.
2303 (script_start_sections, script_add_phdr): Likewise.
2304 (script_check_output_format): New function.
2305 * script.h (read_input_script): Update declaration.
2306 * script-c.h (script_check_output_format): Declare.
2307 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2308 (ignore_cmd): Remove OUTPUT_FORMAT.
2309 * fileread.cc (Input_file::Input_file): Add explicit this.
2310 (Input_file::will_search_for): New function.
2311 (Input_file::open): Add pindex parameter. Change all callers.
2312 * fileread.h (class Input_file): Add input_file_argument method.
2313 Declare will_search_for. Update declarations.
2314 * object.cc (make_elf_object): Add punconfigured parameter.
2315 Change all callers.
2316 * object.h (class Object): Make input_file public. Add
2317 searched_for method.
2318 (make_elf_object): Update declaration.
2319 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2320 restart search.
2321 * dirsearch.h (class Dirsearch): Update declaration.
2322 * options.h (class General_options): Add --warn-search-mismatch.
2323 * parameters.cc (Parameters::is_compatible_target): New function.
2324 * parameters.h (class Parameters): Declare is_compatible_target.
2325 * workqueue.cc (Workqueue::add_blocker): New function.
2326 * workqueue.h (class Workqueue): Declare add_blocker.
2327
f1ed28fb
ILT		 2328 * fileread.cc (Input_file::open): Remove options parameter.
2329 Change all callers.
2330 (Input_file::open_binary): Likewise.
2331 * script.cc (read_input_script): Likewise.
2332 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2333 options parameter from constructor. Change all callers.
2334 (class Read_script): Likewise.
2335 * fileread.h (class Input_file): Update declarations.
2336 * script.h (read_input_script): Update declaration.
2337
34dd024a
NC		 23382009-03-10 Nick Clifton <nickc@redhat.com>
2339
2340 * po/es.po: New Spanish translation.
2341
6d71b17c
CC		 23422009-03-06 Cary Coutant <ccoutant@google.com>
2343
2344 * options.cc (parse_short_option): Keep dash_z from registering itself.
2345
031cdbed
ILT		 23462009-03-03 Ian Lance Taylor <iant@google.com>
2347
2348 PR 9918
2349 * target-reloc.h (relocate_section): Pass output_section to
2350 relocate.
2351 * i386.cc (Target_i386::should_apply_static_reloc): Add
2352 output_section parameter. Change all callers.
2353 (Target_i386::Relocate::relocate): Add output_section parameter.
2354 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2355 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2356 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2357 * testsuite/two_file_shared.sh: New script.
2358 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2359 (check_DATA): Add two_file_shared.dbg.
2360 (two_file_shared.dbg): New target.
2361 * testsuite/Makefile.in: Rebuild.
2362
15d5fa16
ILT		 23632009-03-01 Ian Lance Taylor <iant@google.com>
2364
2365 * configure.ac: Check for byteswap.h.
2366 * configure: Rebuild.
2367 * config.in: Rebuild.
2368
8a4c0b0d
ILT		 23692009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2370
2371 * layout.cc (Layout::find_or_add_kept_section): New function.
2372 (Layout::add_comdat): Removed.
2373 * layout.h (struct Kept_section): Move out of class Layout.
2374 Remove trailing underscores from field names. Add group_sections
2375 field. Rename group_ field to is_group. Change all uses.
2376 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2377 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2378 comdat_groups_ field.
2379 (Sized_relobj::include_section_group): Use
2380 find_or_add_kept_section and Kept_section::group_sections.
2381 (Sized_relobj::include_linkonce_section): Likewise.
2382 * object.cc (class Sized_relobj): Don't define Comdat_group or
2383 Comdat_group_table. Remove find_comdat_group and
2384 add_comdat_group. Remove comdat_groups_ field.
2385 * plugin.cc (include_comdat_group): Use
2386 Layout::find_or_add_kept_section.
2387
b4ecf66b
ILT		 23882009-02-28 Ian Lance Taylor <iant@google.com>
2389
14359ca0
ILT		 2390 * README: --gc-sections and map files are now supported. Document
2391 some build requirements.
2392
b4ecf66b
ILT		 2393 PR 6992
2394 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2395 relocatable link set the value of the section symbol to zero.
2396 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2397 relocatable link don't include the section address in the local
2398 symbol value.
2399
0602e05a
ILT		 24002009-02-27 Ian Lance Taylor <iant@google.com>
2401
fd9d194f
ILT		 2402 PR 6811
2403 * options.h (class Search_directory): Add is_system_directory.
2404 (class General_options): Declare is_in_system_directory.
2405 * options.cc (get_relative_sysroot): Make static.
2406 (get_default_sysroot): Make static.
2407 (General_optoins::is_in_system_directory): New function.
2408 * fileread.cc (Input_file::is_in_system_directory): New function.
2409 * fileread.h (class Input_file): Declare is_in_system_directory.
2410 * object.h (class Object): Add is_in_system_directory.
2411 (class Input_objects): Remove system_library_directory_ field.
2412 * object.cc (Input_objects::add_object): Don't set
2413 system_library_directory_.
2414 (input_objects::found_in_system_library_directory): Remove.
2415 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2416 parameter. Change all callers.
2417 (Symbol_table::sized_write_globals): Likewise.
2418 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2419 Call Object::is_in_system_directory.
2420 * symtab.h (class Symbol_table): Update declarations.
2421
61edd21f
ILT		 2422 PR 5990
2423 * descriptors.h (Open_descriptor): Add is_on_stack field.
2424 * descriptors.cc (Descriptors::open): If the descriptor is on the
2425 top of the stack, remove it. Initialize is_on_stack field.
2426 (Descriptors::release): Only add pod to stack if it is not on the
2427 stack already.
2428 (Descriptors::close_some_descriptor): Clear stack_next and
2429 is_on_stack fields.
2430
e29e076a
ILT		 2431 PR 7091
2432 * output.cc (Output_section::find_starting_output_address): Rename
2433 from starting_output_address; add PADDR parameter; change return
2434 type.
2435 * output.h (class Output_section): Declare
2436 find_starting_output_address instead of starting_output_address.
2437 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2438 section symbol for which we can't find a merge section.
2439
0602e05a
ILT		 2440 PR 9836
2441 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2442 hidden or internal, force the symbol to be local.
2443 * resolve.cc (Symbol::override_visibility): Define.
2444 (Symbol::override_base): Use override_visibility.
2445 (Symbol_table::resolve): Likewise.
2446 (Symbol::override_base_with_special): Likewise.
2447 (Symbol_table::override_with_special): If the visibility is hidden
2448 or internal, force the symbol to be local.
2449 * symtab.h (class Symbol): Add set_visibility and
2450 override_visibility.
2451 * testsuite/ver_test_1.sh: New file.
2452 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2453 (check_DATA): Add ver_test_1.syms.
2454 (ver_test_1.syms): New target.
2455 * testsuite/Makefile.in: Rebuild.
2456
401a9a73
CC		 24572009-02-25 Cary Coutant <ccoutant@google.com>
2458
2459 * layout.cc (Layout::choose_output_section): Don't rename sections
2460 when using a linker script that has a SECTIONS clause.
2461 * Makefile.in: Regenerate.
2462
2463 * testsuite/Makefile.am (script_test_5.sh): New test case.
2464 * testsuite/Makefile.in: Regenerate.
2465 * testsuite/script_test_5.cc: New file.
2466 * testsuite/script_test_5.sh: New file.
2467 * testsuite/script_test_5.t: New file.
2468
f488e4b0
CC		 24692009-02-13 Rafael Avila de Espindola <espindola@google.com>
2470
2471 * archive.cc (Archive::include_member): Update calls to add_symbols.
2472 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2473 the Layout argument.
2474 * dynobj.h (do_add_symbols): Add the Layout argument.
2475 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2476 Layout argument.
2477 * object.h (Object::add_symbols): Add the Layout argument.
2478 (Object::do_add_symbols): Add the Layout argument.
2479 (Sized_relobj::do_add_symbols): Add the Layout argument.
2480 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2481 Unify the two versions.
2482 (Add_plugin_symbols): Remove.
2483 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2484 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2485 (Add_plugin_symbols): Remove.
2486 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2487 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2488 (Add_symbols::run): Make it work with Pulginobj.
2489
89dd1680
ILT		 24902009-02-06 Ian Lance Taylor <iant@google.com>
2491
2492 * object.cc (Sized_relobj::do_layout): Make info message start
2493 with lower case letter.
2494
266d0a74
ILT		 24952009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2496
602b464e
ILT		 2497 * binary.cc: Fix file comment.
2498
266d0a74
ILT		 2499 * options.h (enum Incremental_disposition): Define.
2500 (class General_options): Add new options: --incremental,
2501 --incremental_changed, --incremental_unchanged,
2502 --incremental_unknown. Add incremental_disposition_ and
2503 implicit_incremental_ fields.
2504 (General_options::incremental_disposition): New function.
2505 (class Position_dependent_options): Add incremental_disposition
2506 option.
2507 (Position_dependent_options::copy_from_options): Set incremental
2508 dispositions.
2509 * options.cc (General_options::parse_incremental_changed): New
2510 function.
2511 (General_options::parse_incremental_unchanged): New function.
2512 (General_options::parse_incremental_unknown): New function.
2513 (General_options::General_options): Initialize new fields
2514 incremental_disposition_ and implicit_incremental_.
2515 (General_options::finalize): Check for uasge of --incremental-*
2516 without --incremental.
2517
f073bbf7
CD		 25182009-02-06 Chris Demetriou <cgd@google.com>
2519
2520 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2521 pointer and to report location as the file name associated with
2522 the symbol.
2523 (gold_undefined_symbol_at_location): New function to replace the
2524 old gold_undefined_symbol functionality.
2525 * target-reloc.h (relocate_section): Update to use
2526 gold_undefined_symbol_at_location.
2527 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2528 Call gold_undefined_symbol function rather than gold_error.
2529 * errors.h (Errors::undefined_symbol): Take location as a
2530 string, rather than calculating it from a relocation.
2531 * errors.cc (Errors::fatal): Print "fatal error:" before the
2532 formatted message.
2533 (Errors::error, Errors::error_at_location): Print "error: "
2534 before the formatted message.
2535 (Errors::undefined_symbol): Take location as a string, rather
2536 than calculating it from a relocation.
2537 (gold_undefined_symbol_at_location): New function akin to
2538 old gold_undefined_symbol, calculates location from relocation.
2539 (gold_undefined_symbol): Change to take only a Symbol pointer
2540 and to report location as the file name associated with the symbol.
2541 * testsuite/debug_msg.sh: Update for changed error messages.
2542 * testsuite/undef_symbol.sh: Likewise.
2543
8e94a90c
ILT		 25442009-02-04 Duncan Sands <baldrick@free.fr>
2545
2546 PR 9812
2547 * reduced_debug_output.h
2548 (Output_reduced_debug_abbrev_section::failed): Use format for
2549 gold_warning.
2550 (Output_reduced_debug_info_section::faild): Likewise.
2551
88a0e15b
ILT		 25522009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2553
2554 * script.cc (Lazy_demangler): New class.
2555 (Version_script_info::get_symbol_version_helper): Demangle a
2556 symbol only once.
2557
5efc7cd2
CC		 25582009-01-29 Cary Coutant <ccoutant@google.com>
2559
2560 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2561 to __tls_get_addr.
2562 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2563
e0ebcf42
ILT		 25642009-01-28 Ian Lance Taylor <iant@google.com>
2565
5efc7cd2 2566 * version.cc (version_string): Bump to 1.9.
75fe7426 2567
e0ebcf42
ILT		 2568 * gold.h: Include <cstring> and <stdint.h>.
2569 * version.cc: Include <cstdio>.
2570 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2571 warning.
2572 * reduced_debug_output.cc (insert_into_vector): Rename from
2573 Insert_into_vector; change all callers. Use Swap_unaligned to
2574 avoid aliasing issue; remove union since it is unnecessary.
2575
8e2813be 25762009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 2577
2578 * Makefile.am (CCFILES): Add gc.cc.
2579 (HFILES): Add gc.h.
2580 * Makefile.in: Regenerate.
2581 * gold.cc (Gc_runner): New class.
2582 (queue_initial_tasks): Call garbage collection related tasks
2583 when corresponding options are invoked.
2584 (queue_middle_gc_tasks): New function.
2585 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2586 processed early before laying out sections during garbage collection.
2587 * gold.h (queue_middle_gc_tasks): New function.
2588 (is_prefix_of): Move from "layout.cc".
2589 * i386.cc (Target_i386::gc_process_relocs): New function.
2590 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2591 * main.cc (main): Create object of class "Garbage_collection".
2592 * object.cc (Relobj::copy_symbols_data): New function.
2593 (Relobj::is_section_name_included): New function.
2594 (Sized_relobj::do_layout): Allow this function to be called twice
2595 during garbage collection and defer layout of section during the
2596 first call.
2597 * object.h (Relobj::get_symbols_data): New function.
2598 (Relobj::is_section_name_included): New function.
2599 (Relobj::copy_symbols_data): New function.
2600 (Relobj::set_symbols_data): New function.
2601 (Relobj::get_relocs_data): New function.
2602 (Relobj::set_relocs_data): New function.
2603 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2604 (Relobj::gc_process_relocs): New function.
2605 (Relobj::do_gc_process_relocs): New pure virtual function.
2606 (Relobj::sd_): New data member.
2607 (Sized_relobj::is_output_section_offset_invalid): New function.
2608 (Sized_relobj::do_gc_process_relocs): New function.
2609 * options.h (General_options::gc_sections): Modify to not be a no-op.
2610 (General_options::print_gc_sections): New option.
2611 * plugin.cc (Plugin_finish::run): Remove function call to
2612 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2613 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2614 * reloc.cc (Read_relocs::run): Add task to process relocs and
2615 determine unreferenced sections when doing garbage collection.
2616 (Gc_process_relocs): New class.
2617 (Sized_relobj::do_gc_process_relocs): New function.
2618 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2619 sections that are garbage collected.
2620 * reloc.h (Gc_process_relocs): New class.
2621 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2622 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2623 symbols whose corresponding sections are garbage collected.
2624 (Symbol_table::Symbol_table): Add new parameter for the garbage
2625 collection object.
2626 (Symbol_table::gc_mark_undef_symbols): New function.
2627 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2628 (Symbol_table::gc_mark_dyn_syms): New function.
2629 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2630 as garbage.
2631 (Symbol_table::add_from_object): Likewise.
2632 (Symbol_table::add_from_relobj): When building shared objects, do not
2633 treat externally visible symbols as garbage.
2634 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2635 table information for static and relocatable links.
2636 * symtab.h (Symbol_table::set_gc): New function.
2637 (Symbol_table::gc): New function.
2638 (Symbol_table::gc_mark_undef_symbols): New function.
2639 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2640 (Symbol_table::gc_mark_dyn_syms): New function.
2641 (Symbol_table::gc_): New data member.
2642 * target.h (Sized_target::gc_process_relocs): New pure virtual
2643 function.
2644 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2645 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2646
3b293544
CF		 26472009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2648
2649 * options.h (General_options::gc_sections): Define as a no-op for now.
2650 (General_options::no_keep_memory): Ditto.
2651 (General_options::Bshareable): Define.
2652 * options.cc (General_options::finalize): Honor -Bshareable.
2653
83d22aa8
AS		 26542009-01-20 Andreas Schwab <schwab@suse.de>
2655
2656 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2657 read the value in the contents, since we don't use it. Use the
2658 template endianness when writing.
2659 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2660
cd536b21
AS		 26612009-01-19 Andreas Schwab <schwab@suse.de>
2662
2663 * configure.tgt (powerpc64-*): Fix targ_obj.
2664
99e9a495
ILT		 26652009-01-15 Ian Lance Taylor <iant@google.com>
2666
2667 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2668 local symbols when stripping all symbols.
2669
bbbfea06
CC		 26702009-01-14 Cary Coutant <ccoutant@google.com>
2671
99e9a495 2672 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 2673
0f7c0701
CC		 26742009-01-14 Cary Coutant <ccoutant@google.com>
2675
2676 * archive.cc (Archive::get_elf_object_for_member): Remove call
2677 to File_read::claim_for_plugin.
2678 * descriptors.cc (Descriptors::open): Remove reference to
2679 is_claimed.
2680 (Descriptors::claim_for_plugin): Remove.
2681 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2682 (Descriptors::is_claimed): Remove.
2683 (claim_descriptor_for_plugin): Remove.
2684 * fileread.cc (File_read::claim_for_plugin): Remove.
2685 * fileread.h (File_read::claim_for_plugin): Remove.
2686 (File_read::descriptor): Reopen descriptor if necessary.
2687 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2688 (Plugin_manager::all_symbols_read): Add task parameter. Change
2689 all callers.
2690 (Plugin_manager::get_input_file): New function.
2691 (Plugin_manager::release_input_file): New function.
2692 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2693 corresponding data member.
2694 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2695 and pass to base constructor. Change all callers.
2696 (get_input_file, release_input_file): New functions.
2697 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2698 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2699 (Plugin_manager::all_symbols_read): Add task parameter.
2700 (Plugin_manager::get_input_file): New function.
2701 (Plugin_manager::release_input_file): New function.
2702 (Plugin_manager::task_): New data member.
2703 (Pluginobj::Pluginobj): Add filesize parameter.
2704 (Pluginobj::filename): New function.
2705 (Pluginobj::descriptor): New function.
2706 (Pluginobj::filesize): New function.
2707 (Pluginobj::filesize_): New data member.
2708 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2709 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2710 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2711
2712 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2713 with archive libraries.
2714 * testsuite/Makefile.in: Regenerate.
2715 * testsuite/plugin_test.c (struct sym_info): New type.
2716 (get_input_file, release_input_file): New static variables.
2717 (onload): Capture new transfer vector entries.
2718 (claim_file_hook): Stop reading at end of file according to filesize.
2719 Factor out parsing of readelf output into separate function.
2720 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2721 APIs and get the source file name from the symbol table. Convert
2722 source file name to corresponding object file name. Print info
2723 message when adding new input files.
2724 (parse_readelf_line): New function.
2725 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2726 * testsuite/plugin_test_2.sh: Likewise.
2727 * testsuite/plugin_test_3.sh: Likewise.
2728 * testsuite/plugin_test_4.sh: New test case.
2729
62a6d109
ILT		 27302009-01-07 Ian Lance Taylor <iant@google.com>
2731
2732 * version.cc (version_string): Bump to 1.8.
2733
483620e8
CC		 27342008-12-23 Cary Coutant <ccoutant@google.com>
2735
2736 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2737 * plugin.cc (Plugin_manager::finish): Rename as
2738 layout_deferred_objects. Move cleanup to separate function.
2739 (Plugin_manager::cleanup): New function.
2740 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2741 separately.
2742 * plugin.h (Plugin_manager::finish): Rename as
2743 layout_deferred_objects.
2744 (Plugin_manager::cleanup): New function.
2745 (Plugin_manager::cleanup_done): New field.
2746
d66a9eb3
CC		 27472008-12-23 Cary Coutant <ccoutant@google.com>
2748
2749 * plugin.cc (is_visible_from_outside): New function.
2750 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2751 so we don't return "IR only" status for exported symbols or -r links.
2752
2753 * testsuite/Makefile.am (plugin_test_3): New test case.
2754 * testsuite/Makefile.in: Regenerate.
2755 * testsuite/plugin_test_3.sh: New file.
2756
5995b570
CC		 27572008-12-22 Cary Coutant <ccoutant@google.com>
2758
2759 * object.cc (Sized_relobj::layout_section): New function.
2760 (Sized_relobj::do_layout): Defer layout of input sections until after
2761 plugin has provided replacement files.
2762 (Sized_relobj::do_layout_deferred_sections): New function.
2763 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2764 (Relobj::layout_deferred_sections): New function.
2765 (Relobj::do_layout_deferred_sections): New function.
2766 (Sized_relobj::do_layout_deferred_sections): New function.
2767 (Sized_relobj::layout_section): New function.
2768 (Sized_relobj::Deferred_layout): New structure.
2769 (Sized_relobj::deferred_layout_): New field.
2770 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2771 Change all callers. Layout deferred sections.
2772 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2773 references.
2774 (Plugin_hook::run): Move code from do_plugin_hook inline.
2775 (Plugin_hook::do_plugin_hook): Remove.
2776 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2777 (Plugin_manager::finish): Renamed, was cleanup.
2778 (Plugin_manager::should_defer_layout): New function.
2779 (Plugin_manager::add_deferred_layout_object): New function.
2780 (Plugin_manager::Deferred_layout_list): New type.
2781 (Plugin_manager::deferred_layout_objects_): New field.
2782 (Plugin_hook::do_plugin_hook): Remove.
2783
ee769c88
ILT		 27842008-12-17 Ian Lance Taylor <iant@google.com>
2785
2786 * options.h (class General_options): Add --no case for
2787 --export-dynamic.
2788
abc8dcba
CC		 27892008-12-16 Cary Coutant <ccoutant@google.com>
2790
2791 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2792 vector.
2793 (Plugin_manager::claim_file): Create plugin object even if
2794 plugin did not call the add_symbols callback.
2795 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2796 asking for more symbols than were added.
2797 * testsuite/Makefile.am (plugin_test_1): Add test case with
2798 no global symbols.
2799 (empty.syms): New target.
2800 * testsuite/Makefile.in: Regenerate.
2801 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2802 message. Don't call add_symbols if no globals.
2803 (all_symbols_read_hook): Don't provide replacement for empty
2804 claimed file.
2805
b0074644
ILT		 28062008-12-12 Ian Lance Taylor <iant@google.com>
2807
68943102
ILT		 2808 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2809 r_type == 0 for a local symbol with r_sym == 0.
2810 (scan_relocatable_relocs): Pass r_sym to
2811 local_non_section_strategy.
2812 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2813 r_sym parameter.
2814
b0074644
ILT		 2815 * configure.ac: Update test for TLS descriptors: they are
2816 supported as of glibc 2.9.
2817 * configure: Rebuild.
2818
c2508178
ILT		 28192008-12-11 Ian Lance Taylor <iant@google.com>
2820
2821 PR 7091
2822 * target-reloc.h (Default_scan_relocatable_relocs): For each
2823 function, map r_type == 0 to RELOC_DISCARD.
2824
2756a258
CC		 28252008-12-10 Cary Coutant <ccoutant@google.com>
2826
2827 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2828 object to override a kept COMDAT group from a plugin object.
2829
bb6f53d3
ILT		 28302008-12-09 Ian Lance Taylor <iant@google.com>
2831
fbc558e1
ILT		 2832 PR 7088
2833 * yyscript.y (file_cmd): Handle INPUT.
2834
bb6f53d3
ILT		 2835 * testsuite/initpri1.c: Change all declarations to be full
2836 prototypes by adding void, to avoid compiler warnings.
2837
4674ecfc
CC		 28382008-12-05 Rafael Avila de Espindola <espindola@google.com>
2839
2840 * options.cc (General_options::parse_plugin_opt): New.
2841 (General_options::add_plugin): The argument now is just the filename.
2842 (General_options::add_plugin_option): New.
2843 * options.h (plugin_opt): New.
2844 (add_plugin): Change argument name.
2845 (add_plugin_option): New.
2846 * plugin.cc (Plugin::load): Don't parse the plugin option.
2847 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2848 (Plugin::add_option): New.
2849 (Plugin::args_): Change type.
2850 (Plugin::filename_): New.
2851 (Plugin_manager::add_plugin_option): New.
2852 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2853 * testsuite/Makefile.in: Regenerate.
2854
fd06b4aa
CC		 28552008-12-05 Cary Coutant <ccoutant@google.com>
2856
2857 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2858 Handle --strip-lto-sections option.
2859 * options.h (strip_lto_sections): New option.
2860
6c52134c
CC		 28612008-12-01 Cary Coutant <ccoutant@google.com>
2862
2863 * plugin.cc (ld_plugin_message): Change format parameter to const.
2864 Fix mismatch between new[] and delete.
2865
a45248e0
CC		 28662008-11-14 Cary Coutant <ccoutant@google.com>
2867
2868 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2869 instead of -1U.
2870
c82fbeee
CS		 28712008-11-05 Craig Silverstein <csilvers@google.com>
2872
2873 * options.cc (General_options::parse_dynamic_list): New function.
2874 * options.h (General_options): New flags dynamic_list,
2875 dynamic_list_data, dynamic_list_cpp_new, and
2876 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2877 (General_options::in_dynamic_list): New function.
2878 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2879 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2880 (Lex::can_continue_name): Likewise.
2881 (yylex): Likewise.
2882 (read_script_file): New parameter script_options.
2883 (read_dynamic_list): New function.
2884 (Script_options::define_dynamic_list): New function.
2885 (dynamic_list_keyword_parsecodes): New variable.
2886 (dynamic_list_keywords): New variable.
2887 * script.h (Script_options::define_dynamic_list): New function
2888 prototype.
2889 (read_dynamic_list): New function prototype.
2890 * symtab.cc (strprefix): New macro.
2891 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2892 dynamic_list_data, dynamic_list_cpp_new, and
2893 dynamic_list_cpp_typeinfo.
2894 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2895 (dynamic_list_expr): New rule.
2896 (dynamic_list_nodes): Likewise.
2897 (dynamic_list_node): Likewise.
2898 * testsuite/Makefile.am (dynamic_list): New test.
2899 * testsuite/Makefile.in: Regenerated.
2900 * testsuite/dynamic_list.t: New file.
2901 * testsuite/dynamic_list.sh: New file.
2902
e0bb29a5
CS		 29032008-11-05 Craig Silverstein <csilvers@google.com>
2904
2905 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2906 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2907 (t11_last): Likewise.
2908 * testsuite/ver_test_6.c (main): Likewise.
2909
4e1e25e0
CC		 29102008-10-07 Cary Coutant <ccoutant@google.com>
2911
2912 * options.c (General_options::finalize): Add check for -static and
2913 -shared.
2914 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2915 is not empty.
2916
92f03fcb
CC		 29172008-10-02 Cary Coutant <ccoutant@google.com>
2918
2919 * plugin.cc (make_sized_plugin_object): Fix conditional
2920 compilation to work when not all targets are enabled.
2921
fbd8a257
CC		 29222008-09-29 Cary Coutant <ccoutant@google.com>
2923
2924 * archive.cc (Archive::get_file_and_offset): Use filename instead
2925 of name to get library path.
2926 (Archive::include_member): Unlock external member of a thin archive.
2927
2928 * testsuite/Makefile.am (TEST_AR): New variable.
2929 (thin_archive_test_1): New test.
2930 (thin_archive_test_2): New test.
81636b3f
CC		 2931 * testsuite/Makefile.in: Regenerate.
2932 * testsuite/thin_archive_main.cc: New file.
2933 * testsuite/thin_archive_test_1.cc: New file.
2934 * testsuite/thin_archive_test_2.cc: New file.
2935 * testsuite/thin_archive_test_3.cc: New file.
2936 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 2937
eff45813
CC		 29382008-09-29 Cary Coutant <ccoutant@google.com>
2939
2940 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2941 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2942 instead of -1U.
2943 (Sized_relobj::do_finalize_local_symbols): Likewise.
2944 (Sized_relobj::map_to_kept_section): Likewise.
2945 * object.h (Sized_relobj::invalid_address): New constant.
2946 (Sized_relobj::do_output_section_offset): Check for invalid_address
2947 and return -1ULL.
2948 * output.cc (Output_reloc::local_section_offset): Use constant
2949 invalid_address instead of -1U.
2950 (Output_reloc::get_address): Likewise.
2951 (Output_section::output_address): Change -1U to -1ULL.
2952 * output.h (Output_reloc::invalid_address): New constant.
2953 * reloc.cc (Sized_relobj::write_sections): Use constant
2954 invalid_address instead of -1U.
2955 (Sized_relobj::relocate_sections): Likewise.
2956 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2957 values for merge sections.
2958 * target-reloc.h (relocate_for_relocatable): Use constant
2959 invalid_address instead of -1U.
2960
89fc3421
CC		 29612008-09-19 Cary Coutant <ccoutant@google.com>
2962
2963 Add plugin functionality for link-time optimization (LTO).
2964 * configure.ac (plugins): Add --enable-plugins option.
2965 * configure: Regenerate.
2966 * config.in: Regenerate.
2967 * Makefile.am (LIBDL): New variable.
2968 (CCFILES): Add plugin.cc.
2969 (HFILES): Add plugin.h.
2970 (ldadd_var): Add LIBDL.
2971 * Makefile.in: Regenerate.
2972
2973 * archive.cc: Include "plugin.h".
2974 (Archive::setup): Don't preread archive symbols when using a plugin.
2975 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
2976 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2977 files.
2978 (Archive::include_member): Add symbols from plugin objects.
2979 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2980 * descriptors.cc (Descriptors::open): Check for file descriptors
2981 abandoned by plugins.
2982 (Descriptors::claim_for_plugin): New function.
2983 * descriptors.h (Descriptors::claim_for_plugin): New function.
2984 (Open_descriptor::is_claimed): New field.
2985 (claim_descriptor_for_plugin): New function.
2986 * fileread.cc (File_read::claim_for_plugin): New function.
2987 * fileread.h (File_read::claim_for_plugin): New function.
2988 (File_read::descriptor): New function.
2989 * gold.cc: Include "plugin.h".
2990 (queue_initial_tasks): Add task to call plugin hooks for generating
2991 new object files.
2992 * main.cc: Include "plugin.h".
2993 (main): Load plugin libraries.
2994 * object.h (Pluginobj): Declare.
2995 (Object::pluginobj): New function.
2996 (Object::do_pluginobj): New function.
2997 (Object::set_target): New function.
2998 * options.cc: Include "plugin.h".
2999 (General_options::parse_plugin): New function.
3000 (General_options::General_options): Initialize plugins_ field.
3001 (General_options::add_plugin): New function.
3002 * options.h (Plugin_manager): Declare.
3003 (General_options): Add --plugin option.
3004 (General_options::has_plugins): New function.
3005 (General_options::plugins): New function.
3006 (General_options::add_plugin): New function.
3007 (General_options::plugins_): New field.
3008 * plugin.cc: New file.
3009 * plugin.h: New file.
3010 * readsyms.cc: Include "plugin.h".
3011 (Read_symbols::do_read_symbols): Check for archive before checking
3012 for ELF file. Call plugin hooks to claim files.
3013 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3014 from a real object file; force override when processing replacement
3015 files.
3016 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3017 (Symbol::init_base_object): Likewise.
3018 (Symbol::init_base_output_data): Likewise.
3019 (Symbol::init_base_output_segment): Likewise.
3020 (Symbol::init_base_constant): Likewise.
3021 (Symbol::init_base_undefined): Likewise.
3022 (Symbol::output_section): Assert that object is not a plugin.
3023 (Symbol_table::add_from_pluginobj): New function.
3024 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3025 undefined.
3026 (Symbol_table::sized_write_globals): Likewise.
3027 (Symbol_table::add_from_pluginobj): Instantiate template.
3028 * symtab.h (Sized_pluginobj): Declare.
3029 (Symbol::in_real_elf): New function.
3030 (Symbol::set_in_real_elf): New function.
3031 (Symbol::in_real_elf_): New field.
3032 (Symbol_table::add_from_pluginobj): New function.
3033
3034 * testsuite/Makefile.am (AM_CFLAGS): New variable.
3035 (LIBDL): New variable.
3036 (LDADD): Add LIBDL.
3037 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3038 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3039 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3040 (MOSTLYCLEANFILES): Likewise.
3041 * testsuite/Makefile.in: Regenerate.
3042 * testsuite/plugin_test.c: New file.
3043 * testsuite/plugin_test_1.sh: New file.
3044 * testsuite/plugin_test_2.sh: New file.
3045
de31bda5
ILT		 30462008-09-16 Ian Lance Taylor <iant@google.com>
3047
9c2d0ef9
ILT		 3048 * target-reloc.h (relocate_section): Check whether a symbol is
3049 defined by the ABI before reporting an undefined symbol error.
3050 * target.h (Target::is_defined_by_abi): Make parameter const.
3051 (Target::do_is_defined_by_abi): Likewise.
3052 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3053 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3054 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3055 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3056 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3057 * testsuite/Makefile.in: Rebuild.
3058
de31bda5
ILT		 3059 * fileread.cc (make_view): Add casts to avoid warning.
3060
9fa33bee
AO		 30612008-09-16 Alexandre Oliva <aoliva@redhat.com>
3062
3063 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3064 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3065
183fd0e3
AO		 30662008-09-16 Alexandre Oliva <aoliva@redhat.com>
3067
3068 * options.h (General_options::output_is_executable): New.
3069 (General_options::output_is_pie): New.
3070 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3071 for shared libraries.
3072 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3073
7be8330a
CD		 30742008-09-11 Chris Demetriou <cgd@google.com>
3075
3076 * options.h (origin): New -z option.
3077 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3078 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3079 in DT_FLAGS_1.
3080
a9caad02
CC		 30812008-09-05 Cary Coutant <ccoutant@google.com>
3082
3083 * fileread.cc (File_read::make_view): Add check for attempt to map
3084 beyond end of file.
3085
ae6dce4d
CC		 30862008-09-05 Cary Coutant <ccoutant@google.com>
3087
3088 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3089 explicit instantiations.
3090
d7ab2a47
KVH		 30912008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
3092
3093 PR gold/6858
3094 * options.cc (General_options::finalize): Allow undefined symbols
3095 in shlibs if linking -shared.
3096
3097 PR gold/6859
3098 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3099 symbols as not needing a dynsym entry.
3100
1e52a9c1
CS		 31012008-08-20 Craig Silverstein <csilvers@google.com>
3102
3103 * fileread.cc (File_read::open): Do not lock the file unless it
3104 was successfully opened.
3105
d85c80a3
CC		 31062008-08-14 Cary Coutant <ccoutant@google.com>
3107
3108 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3109 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3110 * testsuite/tls_test.cc (struct int128): 128-bit struct
3111 for testing TLS relocs with non-zero addend.
3112 (v12): New TLS variable.
3113 (t12): New test.
3114 (t_last): Add check for v12.
3115 * testsuite/tls_test.h (t12): New function.
3116 * testsuite/tls_test_main.cc (thread_routine): Call new test.
3117
2d924fd9
ILT		 31182008-08-13 Ian Lance Taylor <iant@google.com>
3119
3120 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3121 set tls_segment_ or relro_segment_.
3122 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3123 when appropriate.
3124 * output.h (Output_section::clear_is_relro): New function.
3125 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3126 sections specially even when output_data_ is empty.
3127 (Output_segment::maximum_alignment): When first section is relro,
3128 only force alignment for PT_LOAD segments.
3129 * script.cc (script_data_segment_align): New function.
3130 (script_data_segment_relro_end): New function.
3131 * script-c.h (script_data_segment_align): Declare.
3132 (script_data_segment_relro_end): Declare.
3133 * script-sections.h (class Script_sections): Declare
3134 data_segment_align and data_segment_relro_end. Add fields
3135 segment_align_index_ and saw_relro_end_.
3136 * script-sections.cc (class Sections_element): Add set_is_relro
3137 virtual function. Add new bool* parameter to place_orphan_here.
3138 Add get_output_section virtual function.
3139 (class Output_section_definition): Add set_is_relro. Add new
3140 bool* parameter to place_orphan_here. Add get_output_section.
3141 Add is_relro_ field.
3142 (Output_section_definition::Output_section_definition): Initialize
3143 evaluated_address_, evaluated_load_address, evaluated_addralign_,
3144 and is_relro_ fields.
3145 (Output_section_definition::place_orphan_here): Add is_relro
3146 parameter.
3147 (Output_section_definition::set_section_addresses): Set relro for
3148 output section.
3149 (Output_section_definition::alternate_constraint): Likewise.
3150 (class Orphan_output_section): Add new bool* parameter to
3151 place_orphan_here. Add get_output_section.
3152 (Orphan_output_section::place_orphan_here): Add is_relro
3153 parameter.
3154 (Script_sections::Script_sections): Initialize
3155 data_segment_align_index_ and saw_relro_end_.
3156 (Script_sections::data_segment_align): New function.
3157 (Script_sections::data_segment_relro_end): New function.
3158 (Script_sections::place_orphan): Set or clear is_relro.
3159 (Script_sections::set_section_addresses): Force alignment of first
3160 TLS section.
3161 * yyscript.y (exp): Call script_data_segment_align and
3162 script_data_segment_relro_end.
3163 * testsuite/relro_script_test.t: New file.
3164 * testsuite/relro_test.cc (using_script): Declare.
3165 (t1, t2): Test using_script.
3166 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3167 (relro_script_test_SOURCES): Define.
3168 (relro_script_test_DEPENDENCIES): Define.
3169 (relro_script_test_LDFLAGS): Define.
3170 (relro_script_test_LDADD): Define.
3171 (relro_script_test.so): New target.
3172 * testsuite/Makefile.in: Rebuild.
3173
f827c9a9
CC		 31742008-08-06 Cary Coutant <ccoutant@google.com>
3175
3176 * archive.cc (Archive::total_archives, Archive::total_members)
3177 (Archive::total_members_loaded): New variables.
3178 (Archive::setup): Add parameter. Add option to preread
3179 archive symbols.
3180 (Archive::read_armap): Add counter.
3181 (Archive::get_file_and_offset): New function.
3182 (Archive::get_elf_object_for_member): New function.
3183 (Archive::read_all_symbols): New function.
3184 (Archive::read_symbols): New function.
3185 (Archive::add_symbols): Add counters.
3186 (Archive::include_all_members): Use armap to find members if it's
3187 already built.
3188 (Archive::include_member): Skip reading symbols if already read.
3189 Factored code into Archive::get_file_and_offset and
3190 Archive::get_elf_object_for_member. Changed call to
3191 Mapfile::report_include_archive_member.
3192 (Archive::print_stats): New function.
3193 * archive.h: Declare Object and Read_symbols_data classes.
3194 (Archive::Archive): Add initializers for new members.
3195 (Archive::setup): Add parameter.
3196 (Archive::print_stats): New function.
3197 (Archive::total_archives, Archive::total_members)
3198 (Archive::total_members_loaded): New variables.
3199 (Archive::get_file_and_offset): New function.
3200 (Archive::get_elf_object_for_member): New function.
3201 (Archive::read_all_symbols): New function.
3202 (Archive::read_symbols): New function.
3203 (Archive::Archive_member): New class.
3204 (Archive::members_): New member.
3205 (Archive::num_members_): New member.
3206 * main.cc: Include archive.h.
3207 (main): Call Archive::print_stats.
3208 * mapfile.cc (Mapfile::report_include_archive_member): Delete
3209 archive parameter; member_name is now the fully-decorated name.
3210 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3211 * options.h: (General_options): Add --preread-archive-symbols option.
3212 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3213 Archive::setup.
3214
de4c45bd
ILT		 32152008-08-04 Ian Lance Taylor <iant@google.com>
3216
3217 * symtab.h (Symbol::use_plt_offset): New function.
3218 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3219 * powerpc.cc (Relocate::relocate): Likewise.
3220 * sparc.cc (Relocate::relocate): Likewise.
3221 * x86_64.cc (Relocate::relocate): Likewise.
3222 * testsuite/weak_plt.sh: New test.
3223 * testsuite/weak_plt_main.cc: New test.
3224 * testsuite/weak_plt_shared.cc: New test.
3225 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3226 (check_PROGRAMS): Add weak_plt.
3227 (check_DATA): Add weak_plt_shared.so.
3228 (weak_plt_main_pic.o, weak_plt): New targets.
3229 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3230 * testsuite/Makefile.in: Rebuild.
3231
3232 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3233 gcctestdir/ld.
3234 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3235 * testsuite/Makefile.in: Rebuild.
3236
323ee3f4
AM		 32372008-08-04 Alan Modra <amodra@bigpond.net.au>
3238
3239 * Makefile.am (POTFILES.in): Set LC_ALL=C.
3240 * Makefile.in: Regenerate.
3241 * po/POTFILES.in: Regenerate.
3242
7c07ecec
ILT		 32432008-07-29 Ian Lance Taylor <iant@google.com>
3244
3245 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3246 symbols before other symbols.
3247 * testsuite/script_test_2.cc (test_addr): Declare.
3248 (test_addr_alias): Declare.
3249 (main): Check that test_addr and test_addr_alias have the right
cd536b21 3250 values.
7c07ecec
ILT		 3251 * testsuite/script_test_2.t: Define test_addr_alias and
3252 test_addr.
3253
5778530e
ILT		 32542008-07-24 Ian Lance Taylor <iant@google.com>
3255
2a00e4fb
ILT		 3256 PR 5990
3257 * descriptors.cc: New file.
3258 * descriptors.h: New file.
3259 * gold-threads.h (class Hold_optional_lock): New class.
3260 * fileread.cc: Include "descriptors.h".
3261 (File_read::~File_read): Release descriptor rather than closing
3262 it.
3263 (File_read::open) [file]: Call open_descriptor rather than open.
3264 Set is_descriptor_opened_.
3265 (File_read::open) [memory]: Assert that descriptor is not open.
3266 (File_read::reopen_descriptor): New function.
3267 (File_read::release): Release descriptor.
3268 (File_read::do_read): Make non-const. Reopen descriptor.
3269 (File_read::read): Make non-const.
3270 (File_read::make_view): Reopen descriptor.
3271 (File_read::do_readv): Likewise.
3272 * fileread.h (class File_read): Add is_descriptor_opened_ field.
3273 Update declarations.
3274 * layout.cc: Include "descriptors.h".
3275 (Layout::create_build_id): Use open_descriptor rather than open.
3276 * output.cc: Include "descriptors.h".
3277 (Output_file::open): Use open_descriptor rather than open.
3278 * archive.cc (Archive::const_iterator): Change Archive to be
3279 non-const.
3280 (Archive::begin, Archive::end): Make non-const.
3281 (Archive::count_members): Likewise.
3282 * archive.h (class Archive): Update declarations.
3283 * object.h (Object::read): Make non-const.
3284 * Makefile.am (CCFILES): Add descriptors.cc.
3285 (HFILES): Add descriptors.h.
3286 * Makefile.in: Rebuild.
3287
801647d1
ILT		 3288 PR 6716
3289 * gold.h: Always include <clocale>. Add Solaris workarounds
3290 following code in binutils/sysdep.h.
3291
5edd166e
ILT		 3292 PR 6048
3293 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3294 this->eh_frame_hdr_ is NULL before using it.
3295
c89ad728
ILT		 3296 * dynobj.cc (Versions::Versions): Update comment.
3297
aa86f06b
ILT		 3298 * dynobj.cc (Versions::Versions): If there is an soname, use it as
3299 the base version name.
3300
5778530e
ILT		 3301 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3302 array size plus one.
3303 (Stringpool_template::set_string_offsets): Subtract one from key
3304 before using it as an array index.
3305 (Stringpool_template::get_offset_with_length): Likewise.
3306 (Stringpool_template::write_to_buffer): Likewise.
3307 * stringpool.h (Stringpool_template::get_offset_from_key):
3308 Likewise.
3309
057ead22
ILT		 33102008-07-23 Ian Lance Taylor <iant@google.com>
3311
7f649c59
ILT		 3312 PR 6658
3313 * object.h (Merged_symbol_value::value): Do our best to handle a
3314 negative addend.
3315
057ead22
ILT		 3316 PR 6647
3317 * script.cc (Version_script_info::get_versions): Don't add empty
3318 version tag to return value.
3319 (Version_script_info::get_symbol_version_helper): Change return
3320 type to bool. Add pversion parameter. Change all callers.
3321 (script_register_vers_node): Don't require a non-NULL tag.
3322 * script.h (class Version_script_info): Update declarations.
3323 (Version_script_info::get_symbol_version): Change return type to
3324 bool. Add version parameter. Change all callers.
3325 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3326 handling. Handle an empty version from a version script.
3327 (Symbol_table::define_special_symbol): Likewise.
3328 * testsuite/ver_test_10.script: New file.
3329 * testsuite/ver_test_10.sh: New file.
3330 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3331 (check_DATA): Add ver_test_10.syms.
3332 (ver_test_10.syms, ver_test_10.so): New target.
3333 * testsuite/Makefile.in: Rebuild.
3334
58e54ac2
CD		 33352008-07-23 Simon Baldwin <simonb@google.com>
3336
3337 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3338 to zero for undefined symbols from dynamic libraries.
3339
95d14cd3
ILT		 33402008-07-23 Ian Lance Taylor <iant@google.com>
3341
3342 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3343 Change all callers.
3344 * symtab.h (class Symbol_table): Update declaration.
3345 * testsuite/ver_test_9.cc: New file.
3346 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3347 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3348 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3349 (ver_test_9.so, ver_test_9.o): New targets.
3350 * testsuite/Makefile.in: Rebuild.
3351
92de84a6
ILT		 33522008-07-22 Ian Lance Taylor <iant@google.com>
3353
34810851
ILT		 3354 * options.h (class General_options): Define --check-sections.
3355 * layout.cc (Layout::set_segment_offsets): Handle
3356 --check-sections.
3357
af6156ef
ILT		 3358 * options.h (class General_options): Define -n/--nmagic and
3359 -N/--omagic.
3360 * options.cc (General_options::finalize): For -n/--nmagic or
3361 -N/--omagic, set -static.
3362 * layout.cc (Layout::attach_allocated_section_to_segment): If
3363 -N/--omagic, don't put read-only and read-write sections in
3364 different segments.
3365 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3366 finding a read-only segment.
3367 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3368 don't set the minimum segment alignment to the common page size,
3369 and don't set the file offset to the address modulo the page size.
3370 * script-sections.cc (Script_sections::create_segments): If
3371 -n/--omagic, don't put read-only and read-write sections in
3372 different segments.
3373
92de84a6
ILT		 3374 * cref.cc: New file.
3375 * cref.h: New file.
3376 * options.h (class General_options): Add --print-symbol-counts.
3377 * main.cc (main): Issue defined symbol report if requested.
3378 * archive.cc (Archive::interpret_header): Make into a const member
3379 function.
3380 (Archive::add_symbols): Call Input_objects::archive_start and
3381 archive_stop.
3382 (Archive::const_iterator): Define new class.
3383 (Archive::begin, Archive::end): New functions.
3384 (Archive::include_all_members): Rewrite to use iterator.
3385 (Archive::count_members): New function.
3386 * archive.h (class Archive): Update declarations.
3387 (Archive::filename): New function.
3388 * object.cc: Include "cref.h".
3389 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3390 (Sized_relobj::do_get_global_symbol_counts): New function.
3391 (Input_objects::add_object): Add object to cross-referencer.
3392 (Input_objects::archive_start): New function.
3393 (Input_objects::archive_stop): New function.
3394 (Input_objects::print_symbol_counts): New function.
3395 * object.h: Declare Cref and Archive.
3396 (Object::get_global_symbol_counts): New function.
3397 (Object::do_get_global_symbol_counts): New pure virtual function.
3398 (class Sized_relobj): Add defined_count_ field. Update
3399 declarations.
3400 (class Input_objects): Add cref_ field. Update constructor.
3401 Update declarations.
3402 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3403 defined_count_.
3404 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3405 symbol counts.
3406 (Sized_dynobj::do_get_global_symbol_counts): New function.
3407 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3408 defined_count_. Update declarations. Define Symbols typedef.
3409 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3410 parameter. Change all callers.
3411 (Symbol_table::add_from_dynobj): Add sympointers and defined
3412 parameters. Change all callers.
3413 * symtab.h (class Symbol_table): Update declarations.
3414 * Makefile.am (CCFILES): Add cref.cc.
3415 (HFILES): Add cref.h.
3416 * Makefile.in: Rebuild.
3417
3f7c5e1d
CD		 34182008-07-22 Simon Baldwin <simonb@google.com>
3419
3420 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3421 to zero when writing undefined symbols.
3422
e0b64032
ILT		 34232008-07-22 Ian Lance Taylor <iant@google.com>
3424
3425 * output.cc (Output_section::add_input_section): Don't try to
3426 merge empty merge sections.
3427
096b02cf
CS		 34282008-07-21 Craig Silverstein <csilvers@google.com>
3429
3430 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3431 Include symbol version in error message.
cd536b21 3432
1d1f116d
CD		 34332008-07-20 Chris Demetriou <cgd@google.com>
3434
cd536b21 3435 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 3436 (RANDOM_SEED_CFLAGS): New substituted variable.
3437 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3438 * configure: Rebuild.
3439 * Makefile.in: Likewise.
3440 * testsuite/Makefile.in: Likewise.
3441
a18f591e
ILT		 34422008-07-18 Ian Lance Taylor <iant@google.com>
3443
3444 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3445 where we see NAME/NULL and NAME/VERSION as separate symbols.
3446 * testsuite/ver_test_main.cc (main): Call t4.
3447 (t4, t4_2a): Define.
3448 * testsuite/ver_test_2.cc (t4_2): Define.
3449 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3450 * testsuite/ver_test_4.cc (t4_2a): Define.
3451 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3452 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3453
c6e3f6ed
ILT		 34542008-07-17 Ian Lance Taylor <iant@google.com>
3455
3456 * dynobj.cc (Versions::add_def): If we give an error about a
3457 missing version, go ahead and create the version anyhow.
3458
ef9beddf
ILT		 34592008-07-10 Ian Lance Taylor <iant@google.com>
3460
3461 Handle output sections with more than 0x7fffffff bytes.
3462 * object.h (class Relobj): Change map_to_output_ to
3463 output_sections_, and just keep a section pointer. Change all
3464 uses. Move comdat group support to Sized_relobj.
3465 (Relobj::is_section_specially_mapped): Remove.
3466 (Relobj::output_section): Remove poff parameter. Change all
3467 callers.
3468 (Relobj::output_section_offset): New function.
3469 (Relobj::set_section_offset): Rewrite.
3470 (Relobj::map_to_output): Remove.
3471 (Relobj::output_sections): New function.
3472 (Relobj::do_output_section_offset): New pure virtual function.
3473 (Relobj::do_set_section_offset): Likewise.
3474 (class Sized_relobj): Add section_offsets_ field. Add comdat
3475 group support from Relobj. Update declarations.
3476 (Sized_relobj::get_output_section_offset): New function.
3477 (Sized_relobj::do_output_section_offset): New function.
3478 (Sized_relobj::do_set_section_offset): New function.
3479 * object.cc (Relobj::output_section_address): Remove.
3480 (Sized_relobj::Sized_relobj): Initialize new fields.
3481 (Sized_relobj::include_section_group): Cast find_kept_object to
3482 Sized_relobj.
3483 (Sized_relobj::include_linkonce_section): Likewise.
3484 (Sized_relobj::do_layout): Use separate arrays for output section
3485 and output offset.
3486 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3487 output_sections.
3488 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3489 output_sections and section_offsets.
3490 (Sized_relobj::write_local_symbols): Likewise.
3491 (map_to_kept_section): Compute output address directly.
3492 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3493 output_sections and section_offsets.
3494 (Sized_relobj::write_sections): Likewise.
3495 (Sized_relobj::relocate_sections): Likewise.
3496 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3497 * output.h (class Output_reloc): Update declarations. Change
3498 u2_.relobj to Sized_relobj*.
3499 (class Output_data_reloc): Change add functions to use
3500 Sized_relobj*.
3501 * output.cc (Output_reloc::Output_reloc): Change relobj to
3502 Sized_relobj*.
3503 (Output_reloc::local_section_offset): Change return type to
3504 Elf_Addr. Use get_output_section_offset.
3505 (Output_reloc::get_address): Likewise.
3506 (Output_section::is_input_address_mapped): Don't call
3507 is_section_specially_mapped.
3508 (Output_section::output_offset): Likewise.
3509 (Output_section::output_address): Likewise.
3510 (Output_section::starting_output_address): Likewise.
3511 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3512 parameter to Sized_relobj*.
3513 (Copy_relocs::need_copy_reloc): Likewise.
3514 (Copy_relocs::save): Likewise.
3515 * copy-relocs.h (class Copy_relocs): Update declarations.
3516 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3517 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3518 * target-reloc.h (relocate_for_relocatable): Change
3519 offset_in_output_section type to Elf_Addr. Change code that uses
3520 it as well.
3521 * layout.cc (Layout::layout): Always set *off.
3522 * mapfile.cc (Mapfile::print_input_section): Use
3523 output_section_offset.
3524 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3525 Sized_relobj*.
3526 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3527 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3528 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3529
5cb66f97
ILT		 35302008-07-03 Ian Lance Taylor <iant@google.com>
3531
3532 * layout.cc (Layout::include_section): Do not discard unrecognized
3533 SHT_STRTAB sections.
3534
afe47622
CS		 35352008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3536
3537 * script.cc (Lex::can_continue_name): Make '?' allowable in
3538 version-script names.
3539 * testsuite/version_script.map: Change glob pattern to use '?'
3540
5adf9721
ILT		 35412008-06-30 Manish Singh <yosh@gimp.org>
3542
3543 PR 6585
3544 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3545 Correct typo.
3546
e6fde208
ILT		 35472008-06-30 Ian Lance Taylor <iant@google.com>
3548
3549 PR 6660
3550 PR 6682
3551 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3552 versions]: Don't try to read the value in the contents, since we
3553 don't use it. Use the template endianness when writing.
3554
3f2e6a2d
CC		 35552008-06-25 Cary Coutant <ccoutant@google.com>
3556
3557 * fileread.cc (File_read::make_view): Assert on zero-length view.
3558 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3559 symbol table when there are no symbols to read.
3560
c43d3a48
CS		 35612008-06-23 Craig Silverstein <csilvers@google.com>
3562
3563 * version.cc (version_string): Bump to 1.7
3564
5f494ea0
CS		 35652008-06-18 Craig Silverstein <csilvers@google.com>
3566
3567 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3568 constant 0xFFFF to type Valtype.
3569 (Powerpc_relocate_functions::rel16_ha): Likewise.
3570
c42e122e
ILT		 35712008-06-17 Ian Lance Taylor <iant@google.com>
3572
f34787f8
ILT		 3573 * output.h (Output_section::Input_section): Initialize p2align_ to
3574 zero for Output_section_data constructors.
3575 (Output_section::Input_section::addralign): If not an input
3576 section, return the alignment of the Output_section_data.
3577 * testsuite/copy_test.cc: New file.
3578 * testsuite/copy_test_1.cc: New file.
3579 * testsuite/copy_test_2.cc: New file.
3580 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3581 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3582 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3583 (copy_test_1_pic.o, copy_test_1.so): New targets.
3584 (copy_test_2_pic.o, copy_test_2.so): New targets.
3585 * testsuite/Makefile.in: Rebuild.
3586
c42e122e
ILT		 3587 * script-sections.cc (Script_sections::place_orphan): Initialize
3588 local variable exact.
3589
ce3ac18a
DE		 35902008-06-13 David Edelsohn <edelsohn@gnu.org>
3591
3592 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3593
42cacb20
DE		 35942008-06-12 David Edelsohn <edelsohn@gnu.org>
3595 David S. Miller <davem@davemloft.net>
3596
3597 * powerpc.cc: New file.
3598 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3599 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3600 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3601 * Makefile.in: Rebuild.
3602
7b308235
ILT		 36032008-06-09 Ian Lance Taylor <iant@google.com>
3604
3605 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3606 <exception>.
3607 (throwing, orig_terminate): New static variables.
3608 (terminate_handler): New static function.
3609 (t2): Set terminate handler.
3610
f0b886e3
ILT		 36112008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3612
3613 PR 6584
cd536b21 3614 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 3615 alignment.
3616
3e90f135
CC		 36172008-05-30 Cary Coutant <ccoutant@google.com>
3618
3619 * archive.cc (Archive::include_all_members) Correct to step
3620 over symbol table and extended name table in thin archives.
3621
e09ad04a
ILT		 36222008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3623
3624 PR 6407
3625 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3626 calculation.
3627
62b01cb5
ILT		 36282008-05-28 Caleb Howe <cshowe@google.com>
3629
3630 * reduced_debug_output.cc: New file.
3631 * reduced_debug_output.h: New file.
92de84a6 3632 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 3633 * options.cc (General_options::finalize): Add strip_debug_non_line
3634 to the strip heirarchy.
3635 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3636 fields.
3637 * layout.cc: Include "reduced_debug_output.h".
3638 (Layout::Layout): Initialize new fields.
3639 (line_only_debug_sections): New static array.
3640 (is_lines_only_debug_sections): New static inline function.
3641 (Layout::include_section): Handle --strip-debug-non-line.
3642 (Layout::make_output_section): If --strip-debug-non-line, build
3643 new output sections for .debug_abbrev and .debug_info.
3644 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3645 gold. Warn about possible overflow.
3646 (read_signed_LEB_128): Likewise.
3647 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3648 (read_signed_LEB_128): Declare.
3649 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3650 (HFILES): Add reduced_debug_output.h.
3651 * Makefile.in: Rebuild.
3652
7d9e3d98
ILT		 36532008-05-21 Ian Lance Taylor <iant@google.com>
3654
3655 * mapfile.cc: New file.
3656 * mapfile.h: New file.
3657 * options.h (class General_options): Add -M/--print-map and -Map.
3658 * options.cc (General_options::finalize): Make -M equivalent to
3659 -Map -.
3660 * main.cc: Include <cstdio> and "mapfile.h".
3661 (main): Open mapfile if requested.
3662 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3663 constructor. Change caller.
3664 (queue_initial_tasks): Add mapfile parameter. Change caller.
3665 (queue_middle_tasks): Likewise.
3666 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3667 declarations.
3668 * archive.cc: Include "mapfile.h".
3669 (Archive::add_symbols): Add mapfile parameter. Change all
3670 callers. Pass mapfile, symbol, and reason to include_member.
3671 (Archive::include_all_members): Add mapfile parameter. Change all
3672 callers.
3673 (Archive::include_member): Add mapfile, sym, and why parameters.
3674 Change all callers. Report inclusion to map file.
3675 * archive.h: Include "fileread.h".
3676 (class Archive): Update declarations.
3677 (Archive::file): New const method.
3678 (class Add_archive_symbols): Add mapfile_ field. Update
3679 constructor. Change all callers.
3680 * readsyms.h (class Read_symbols): Likewise.
3681 (class Finish_group): Likewise.
3682 (class Read_script): Likewise.
3683 * common.cc: Include "mapfile.h".
3684 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3685 all callers.
3686 (Symbol_table::do_allocate_commons): Likewise.
3687 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3688 symbol allocation to mapfile.
3689 * common.h (class Allocate_commons_task): Add mapfile_ field.
3690 Update constructor. Change all callers.
3691 * symtab.h (class Symbol_table): Update declarations.
3692 * layout.cc: Include "mapfile.h".
3693 (Layout_task_runner::run): Print information to mapfile.
3694 (Layout::create_gold_note): Change Output_data_fixed_space to
3695 Output_data_zero_fill.
3696 (Layout::create_build_id): Likewise.
3697 (Layout::print_to_mapfile): New function.
3698 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3699 constructor. Change caller.
3700 (class Layout): Declare print_to_mapfile.
3701 * output.cc (Output_section::Input_section::print_to_mapfile): New
3702 function.
3703 (Output_section::add_input_section): If producing a map, always
3704 add to input_sections_ list.
3705 (Output_section::do_print_to_mapfile): New function.
3706 (Output_segment::print_sections_to_mapfile): New function.
3707 (Output_segment::print_section_list_to_mapfile): New function.
3708 * output.h: Include "mapfile.h".
3709 (Output_data::print_to_mapfile): New function.
3710 (Output_data::do_print_to_mapfile): New virtual function.
3711 (Output_segment_headers::do_print_to_mapfile): New function.
3712 (Output_file_header::do_print_to_mapfile): New function.
3713 (Output_data_const::do_print_to_mapfile): New function.
3714 (class Output_data_const_buffer): Add map_name_ field. Update
3715 constructor. Change all callers. Add do_print_to_mapfile
3716 function.
3717 (class Output_data_fixed_space): Likewise.
3718 (class Output_data_space): Likewise.
3719 (class Output_data_zero_fill): New class.
3720 (Output_data_strtab::do_print_to_mapfile): New function.
3721 (Output_data_reloc_base::do_print_to_mapfile): New function.
3722 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3723 (Output_data_group::do_print_to_mapfile): New function.
3724 (Output_data_got::do_print_to_mapfile): New function.
3725 (Output_data_dynamic::do_print_to_mapfile): New function.
3726 (Output_symtab_xindex::do_print_to_mapfile): New function.
3727 (class Output_section): Declare do_print_to_mapflie. Declare
3728 print_to_mapfile in Input_section.
3729 (class Output_segment): Declare new functions.
3730 * object.h (Sized_relobj::symbol_count): New function.
3731 * script-sections.cc
3732 (Output_section_element_dot_assignment::set_section_addresses):
3733 Change Output_data_fixed_space to Output_data_zero_fill.
3734 (Output_data_expression::do_print_to_mapfile): New function.
3735 * script.cc (read_input_script): Add mapfile parameter. Change
3736 all callers.
3737 * script.h (read_input_script): Update declaration.
3738 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3739 (Eh_frame::do_print_to_mapfile): New function.
3740 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3741 (Output_merge_string::do_print_to_mapfile): New function.
3742 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3743 function.
3744 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3745 function.
3746 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3747 function.
3748 * Makefile.am (CCFILES): Add mapfile.cc.
3749 (HFILES): Add mapfile.h.
3750 * Makefile.in: Rebuild.
3751
9f1d377b
ILT		 37522008-05-19 Ian Lance Taylor <iant@google.com>
3753
3754 * options.h (class General_options): Add -z relro.
3755 * layout.cc (Layout::Layout): Initialize relro_segment_.
3756 (Layout::add_output_section_data): Return the output section.
3757 (Layout::make_output_section): Rcognize relro sections and mark
3758 them appropriately.
3759 (Layout::attach_allocated_section_to_segment): Put relro sections
3760 in a PT_GNU_RELRO segment.
3761 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3762 section as relro.
3763 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3764 PT_TLS segments.
3765 (Layout::linkonce_mapping): Map d.rel.ro.local to
3766 .data.rel.ro.local.
3767 (Layout::output_section_name): Us .data.rel.ro.local for any
3768 section which begins with that.
3769 * layout.h (class Layout): Update add_output_section_data
3770 declaration. Add relro_segment_ field.
3771 * output.cc (Output_section::Output_section): Initialize is_relro_
3772 and is_relro_local_ fields.
3773 (Output_segment::add_output_section): Group relro sections.
3774 (Output_segment::is_first_section_relro): New function.
3775 (Output_segment::maximum_alignment): If there is a relro section,
3776 align the segment to the common page size.
3777 (Output_segment::set_section_addresses): Track whether we are
3778 looking at relro sections. If the last section is a relro
3779 section, align to the common page size.
3780 (Output_segment::set_section_list_addresses): Add in_relro
3781 parameter. Change all callers. Align to the page size when
3782 moving from relro to non-relro section.
3783 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3784 segment.
3785 * output.h (class Output_section): Add is_relro_ and
3786 is_relro_local_ fields.
3787 (Output_section::is_relro): New function.
3788 (Output_section::set_is_relro): New function.
3789 (Output_section::is_relro_local): New function.
3790 (Output_section::set_is_relro_local): New function.
3791 (class Output_segment): Update declarations.
3792 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3793 * sparc.cc (Target_sparc::got_section): Likewise.
3794 * x86_64.cc (Target_x86_64::got_section): Likewise.
3795 * testsuite/relro_test_main.cc: New file.
3796 * testsuite/relro_test.cc: New file.
3797 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3798 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3799 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3800 (relro_test.so, relro_test_pic.o): New targets.
3801 * testsuite/Makefile.in: Rebuild.
3802
a984ee1d
ILT		 38032008-05-16 Ian Lance Taylor <iant@google.com>
3804
01676dcd
ILT		 3805 * output.cc (Output_segment::add_output_section): Remove front
3806 parameter.
3807 * output.h (class Output_segment): Remove
3808 add_initial_output_section and overloaded add_output_section.
3809 Update declaration of remaining add_output_section.
3810 * layout.cc (Layout::create_interp): Call add_output_section
3811 rather than add_initial_output_section.
3812 (Layout::finish_dynamic_section): Likewise.
3813
497897f9
ILT		 3814 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3815 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3816 know the dynamic type.
3817 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3818 field. Initialize it in constructor.
3819 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3820 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3821 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3822 reloc.
3823
a984ee1d
ILT		 3824 * output.cc (Output_reloc::get_address): Change return type to
3825 Elf_Addr.
3826 * output.h (class Output_reloc): Update get_address declaration.
3827 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3828 for section addresses.
3829
55ba0940
ILT		 38302008-05-09 Ian Lance Taylor <iant@google.com>
3831
3832 PR 6493
3833 * gold.cc (gold_nomem): Use return value of write.
3834
75517b77
ILT		 38352008-05-08 Ian Lance Taylor <iant@google.com>
3836
3837 * symtab.c (Symbol::init_base_output_data): Add version
3838 parameter. Change all callers.
3839 (Symbol::init_base_output_segment): Likewise.
3840 (Symbol::init_base_constant): Likewise.
3841 (Symbol::init_base_undefined): Likewise.
3842 (Sized_symbol::init_output_data): Likewise.
3843 (Sized_symbol::init_output_segment): Likewise.
3844 (Sized_symbol::init_constant): Likewise.
3845 (Sized_symbol::init_undefined): Likewise.
3846 (Symbol_table::do_define_in_output_data): If the new symbol has a
3847 version, mark it as the default.
3848 (Symbol_table::do_define_in_output_segment): Likewise.
3849 (Symbol_table::do_define_as_constant): Likewise.
3850 * symtab.h (class Symbol): Update declarations.
3851 (class Sized_symbol): Likewise.
3852 * resolve.cc (Symbol::override_version): New function.
c42e122e 3853 (Symbol::override_base): Call override_version.
75517b77
ILT		 3854 (Symbol::override_base_with_special): Likewise.
3855 * testsuite/ver_script_8.script: New file.
3856 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3857 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3858 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3859 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3860
f1f70eae
ILT		 38612008-05-06 Ian Lance Taylor <iant@google.com>
3862
f3e9c5c5
ILT		 3863 PR 6049
3864 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3865 functions.
3866 (class General_options): Remove existing --undefined, and add
3867 --no-undefined instead. Add new --undefined as synonym for -u.
3868 * archive.cc (Archive::add_symbols): Check whether symbol was
3869 named with -u.
3870 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3871 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3872 all uses. Add IS_UNDEFINED. Update declarations to split
3873 different versions of init_base. Declare init_base_undefined.
3874 (Symbol::is_defined): Handle IS_UNDEFINED.
3875 (Symbol::is_undefined): Likewise.
3876 (Symbol::is_weak_undefined): Call is_undefined.
3877 (Symbol::is_absolute): Handle IS_CONSTANT.
3878 (class Sized_symbol): Update declarations to split different
3879 versions of init. Declare init_undefined.
3880 (class Symbol_table): Declare new functions.
3881 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3882 Change all callers.
3883 (Symbol::init_base_output_data): Likewise.
3884 (Symbol::init_base_output_segment): Likewise.
3885 (Symbol::init_base_constant): Likewise.
3886 (Symbol::init_base_undefined): New function.
3887 (Sized_symbol::init_object): Rename from init. Change all
3888 callers.
3889 (Sized_symbol::init_output_data): Likewise.
3890 (Sized_symbol::init_output_segment): Likewise.
3891 (Sized_symbol::init_constant): Likewise.
3892 (Sized_symbol::init_undefined): New function.
3893 (Symbol_table::add_undefined_symbols_from_command_line): New
3894 function.
3895 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3896 function.
3897 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3898 (Symbol::output_section): Likewise.
3899 (Symbol::set_output_section): Likewise.
3900 (Symbol_table::sized_finalize_symbol): Likewise.
3901 (Symbol_table::sized_write_globals): Likewise.
3902 * resolve.cc (Symbol_table::should_override): Likewise.
3903 (Symbol::override_base_with_special): Likewise.
3904
8bdcdf2c
ILT		 3905 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3906 symbol, change it to have default visibility.
3907 * testsuite/protected_1.cc: New file.
3908 * testsuite/protected_2.cc: New file.
3909 * testsuite/protected_3.cc: New file.
3910 * testsuite/protected_main_1.cc: New file.
3911 * testsuite/protected_main_2.cc: New file.
3912 * testsuite/protected_main_3.cc: New file.
3913 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3914 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3915 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3916 (protected_1.so): New target.
3917 (protected_1_pic.o, protected_2_pic.o): New targets.
3918 (protected_3_pic.o): New target.
3919 (check_PROGRAMS): Add protected_2.
3920 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3921 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3922 * testsuite/Makefile.in: Rebuild.
3923
2b706932
ILT		 3924 * options.h (DEFINE_var): Add set_user_set_##varname__.
3925 (DEFINE_bool_alias): New macro.
3926 (class General_options): Define -Bstatic using DEFINE_bool_alias
3927 rather than DEFINE_special. Add --undefined as an alias for -z
3928 defs.
3929 * options.cc (General_options::parse_Bstatic): Remove.
3930
d82a5bcc
ILT		 3931 * options.h (class General_options): Add --fatal-warnings.
3932 * main.cc (main): Implement --fatal-warnings.
3933 * errors.h (Errors::warning_count): New function.
3934
f1f70eae
ILT		 3935 * options.h (class General_options): Add -Bsymbolic-functions.
3936 * symtab.h (Symbol::is_preemptible): Check for
3937 -Bsymbolic-functions.
3938
8825ac63
ILT		 39392008-05-05 Ian Lance Taylor <iant@google.com>
3940
d98bc257
ILT		 3941 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3942 as noVARNAME rather than no-VARNAME.
3943 (class General_options): Add option -z combreloc.
3944 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3945 get_address.
3946 (Output_reloc::sort_before) [SHT_REL]: New function.
3947 (Output_reloc::sort_before) [SHT_RELA]: New function.
3948 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3949 Sort_relocs_comparison.
3950 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3951 parameter. Change all callers.
3952 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3953 sort_relocs parameter. Change all callers.
3954 * output.cc (Output_reloc::get_address): New function, broken out
3955 of write_rel.
3956 (Output_reloc::write_rel): Call it.
3957 (Output_reloc::compare): New function.
3958 (Output_data_reloc_base::do_write): Optionally sort relocs.
3959
60b2b4e7
ILT		 3960 * configure.ac: If targ_extra_obj is set, link it in.
3961 * configure.tgt: Initialize all variables.
3962 (x86_64*): Set targ_extra_obj and targ_extra_size.
3963 * configure: Rebuild.
3964
8825ac63
ILT		 3965 * object.cc (Sized_relobj::include_section_group): Adjust section
3966 indexes read from group data. Build vector to pass to
3967 layout_group.
3968 * layout.cc (Layout::layout_group): Add flags and shndxes
3969 parameters. Remove contents parameter. Change caller. Update
3970 explicit instantiations.
3971 * layout.h (class Layout): Update layout_group declaration.
3972 * output.cc (Output_data_group::Output_data_group): Add flags and
3973 input_shndxes parameters. Remove contents parameter. Change
3974 caller.
3975 (Output_data_group::do_write): Change input_sections_ to
3976 input_shndxes_.
3977 * output.h (class Output_data_group): Update constructor
3978 declaration. Rename input_sections_ to input_shndxes_.
3979 * testsuite/many_sections_test.cc: Add template.
3980
e94cf127
CC		 39812008-04-30 Cary Coutant <ccoutant@google.com>
3982
4418b2d5
CC		 3983 * target-reloc.h (relocate_section): Fix dead-pointer bug.
3984
e94cf127
CC		 3985 * layout.cc (Layout::include_section): Refactored check for debug
3986 info section.
3987 (Layout::add_comdat): Add new parameters. Change type
3988 of signature parameter. Add object and shndx to signatures table.
3989 (Layout::find_kept_object): New function.
3990 * layout.h: Include <cstring>.
3991 (Layout::is_debug_info_section): New function.
3992 (Layout::add_comdat): Add new parameters.
3993 (Layout::find_kept_object): New function.
3994 (Layout::Kept_section): New struct.
3995 (Layout::Signatures): Change type of map range.
3996 * object.cc (Relobj::output_section_address): New function.
3997 (Sized_relobj::include_section_group): Add new parameters. Change
3998 calls to Layout::add_comdat. Change to build table of kept comdat
3999 groups and table mapping discarded sections to kept sections.
4000 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
4001 (Sized_relobj::do_layout): Change calls to include_section_group and
4002 include_linkonce_section.
4003 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4004 value to zero when section is discarded.
4005 (Sized_relobj::map_to_kept_section): New function.
4006 * object.h (Relobj::output_section_address): New function.
4007 (Relobj::Comdat_group): New type.
4008 (Relobj::find_comdat_group): New function.
4009 (Relobj::Comdat_group_table): New type.
4010 (Relobj::Kept_comdat_section): New type.
4011 (Relobj::Kept_comdat_section_table): New type.
4012 (Relobj::add_comdat_group): New function.
4013 (Relobj::set_kept_comdat_section): New function.
4014 (Relobj::get_kept_comdat_section): New function.
4015 (Relobj::comdat_groups_): New field.
4016 (Relobj::kept_comdat_sections_): New field.
4017 (Symbol_value::input_value): Update comment.
4018 (Sized_relobj::map_to_kept_section) New function.
4019 (Sized_relobj::include_linkonce_section): Add new parameter.
4020 * target-reloc.h (Comdat_behavior): New type.
4021 (get_comdat_behavior): New function.
4022 (relocate_section): Add code to map a discarded section to the
4023 corresponding kept section when applying a relocation.
4024
e4e5049b
CS		 40252008-04-30 Craig Silverstein <csilvers@google.com>
4026
4027 * dwarf_reader.cc (next_generation_count): New static var.
4028 (Addr2line_cache_entry): New struct.
4029 (addr2line_cache): New static var.
4030 (Dwarf_line_info::one_addr2line): Added caching.
4031 (Dwarf_line_info::clear_addr2line_cache): New function.
4032 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4033 cache-size parameter.
4034 (Dwarf_line_info::one_addr2line_cache): New function.
4035 * symtab.cc (Symbol_table::detect_odr_violations): Pass
4036 new cache-size argument to one_addr2line(), and clear cache.
4037
d09e9154
CC		 40382008-04-28 Cary Coutant <ccoutant@google.com>
4039
4040 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4041 R_386_PC8 relocations.
4042
7ef73768
ILT		 40432008-04-23 Ian Lance Taylor <iant@google.com>
4044
55438702
ILT		 4045 * object.cc (Sized_relobj::include_section_group): Check for
4046 invalid section group.
4047
c165fb93
ILT		 4048 * object.cc (make_elf_object): Correct test for 64-bit ELF file
4049 header size.
4050
7ef73768
ILT		 4051 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4052 than read for file header.
4053 * archive.cc (Archive::include_member): Likewise.
4054
6194aaab
L		 40552008-04-23 Paolo Bonzini <bonzini@gnu.org>
4056
4057 * aclocal.m4: Regenerate.
4058 * configure: Regenerate.
4059
d491d34e
ILT		 40602008-04-19 Ian Lance Taylor <iant@google.com>
4061
5ea2bac6
ILT		 4062 * version.cc (version_string): Bump to 1.6.
4063
7bc3e21a
ILT		 4064 * testsuite/Makefile.am (many_sections_r_test): New target.
4065 (many_sections_r_test_SOURCES): Remove.
4066 (many_sections_r_test_DEPENDENCIES): Remove.
4067 (many_sections_r_test_LDFLAGS): Remove.
4068 (many_sections_r_test_LDADD): Remove.
4069
7fcd3aa9
ILT		 4070 * object.cc (Sized_relobj::do_add_symbols): Always pass
4071 local_symbol_count_ to add_from_relobj.
4072
4c94d6ae
ILT		 4073 * testsuite/Makefile.am (many_sections_check.h): Only check one in
4074 every thousand variables.
4075 * testsuite/Makefile.in: Rebuild.
4076
d491d34e
ILT		 4077 * object.cc (Xindex::initialize_symtab_xindex): New function.
4078 (Xindex::read_symtab_xindex): New function.
4079 (Xindex::sym_xindex_to_shndx): New function.
4080 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4081 available.
4082 (Sized_relobj::do_initialize_xindex): New function.
4083 (Sized_relobj::do_read_symbols): Adjust section links.
4084 (Sized_relobj::symbol_section_and_value): Add is_ordinary
4085 parameter. Change all callers.
4086 (Sized_relobj::include_section_group): Adjust section links and
4087 symbol section indexes.
4088 (Sized_relobj::do_layout): Adjust section links.
4089 (Sized_relobj::do_count_local_symbols): Adjust section links and
4090 symbol section indexes.
4091 (Sized_relobj::do_finalize_local_symbols): Distinguish between
4092 ordinary and special symbols.
4093 (Sized_relobj::write_local_symbols): Add symtab_xindex and
4094 dynsym_xindex parameters. Change all callers. Adjust section
4095 links. Use SHN_XINDEX when needed.
4096 (Sized_relobj::get_symbol_location_info): Adjust section links.
4097 Don't get fooled by special symbols.
4098 * object.h (class Xindex): Define.
4099 (class Object): Add xindex_ parameter. Declare virtual functoin
4100 do_initialize_xindex.
4101 (Object::adjust_sym_shndx): New function.
4102 (Object::set_xindex): New protected function.
4103 (class Symbol_value): Add is_ordinary_shndx_ field.
4104 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4105 (Symbol_value::value): Assert ordinary section.
4106 (Symbol_value::initialize_input_to_output_map): Likewise.
4107 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4108 Change all callers.
4109 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
4110 all callers.
4111 (class Sized_relobj): Update declarations.
4112 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4113 parameter. Change all callers.
4114 (Sized_relobj::adjust_shndx): New function.
4115 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4116 field.
4117 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4118 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
4119 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
4120 (Sized_dynobj::read_dynsym_section): Adjust section links.
4121 (Sized_dynobj::read_dynamic): Likewise.
4122 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
4123 section links.
4124 (Sized_dynobj::do_initialize_xindex): New function.
4125 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
4126 do_initialize_xindex.
4127 (Sized_dynobj::adjust_shndx): New function.
4128 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4129 dynsym_xindex_ fields.
4130 (Layout::finalize): Add a call to set_section_indexes before
4131 creating the symtab sections.
4132 (Layout::set_section_indexes): Don't do anything if the section
4133 already has a section index.
4134 (Layout::create_symtab_sections): Add shnum parameter. Change
4135 caller. Create .symtab_shndx section if needed.
4136 (Layout::create_shdrs): Add shstrtab_section parameter. Change
4137 caller.
4138 (Layout::allocated_output_section_count): New function.
4139 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4140 needed.
4141 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4142 fields. Update declarations.
4143 (Layout::symtab_xindex): New function.
4144 (Layout::dynsym_xindex): New function.
4145 (class Write_symbols_task): Add layout_ field.
4146 (Write_symbols_task::Write_symbols_task): Add layout parameter.
4147 Change caller.
4148 * output.cc (Output_section_headers::Output_section_headers): Add
4149 shstrtab_section parameter. Change all callers.
4150 (Output_section_headers::do_sized_write): Store overflow values
4151 for section count and section string table section index in
4152 section header zero.
4153 (Output_file_header::do_sized_write): Check for overflow of
4154 section count and section string table section index.
4155 (Output_symtab_xindex::do_write): New function.
4156 (Output_symtab_xindex::endian_do_write): New function.
4157 * output.h (class Output_section_headers): Add shstrtab_section_.
4158 Update declarations.
4159 (class Output_symtab_xindex): Define.
4160 (Output_section::has_out_shndx): New function.
4161 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4162 field.
4163 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4164 Change all callers.
4165 (Sized_symbol::init): Likewise.
4166 (Symbol::output_section): Check for ordinary symbol.
4167 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
4168 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
4169 callers.
4170 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4171 Change all callers. Simplify handling of symbols from sections
4172 not included in the link.
4173 (Symbol_table::add_from_dynobj): Handle ordinary symbol
4174 distinction.
4175 (Weak_alias_sorter::operator()): Assert that symbols are
4176 ordinary.
4177 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4178 distinction.
4179 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4180 parameters. Change all callers.
4181 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
4182 symbol distinction. Use SHN_XINDEX when needed.
4183 (Symbol_table::write_section_symbol): Add symtab_xindex
4184 parameter. Change all callers.
4185 (Symbol_table::sized_write_section_symbol): Likewise. Use
4186 SHN_XINDEX when needed.
4187 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
4188 declarations.
4189 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
4190 (Symbol::is_defined): Check is_ordinary.
4191 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4192 (Symbol::is_absolute, Symbol::is_common): Likewise.
4193 (class Sized_symbol): Update declarations.
4194 (class Symbol_table): Update declarations.
4195 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4196 parameters. Change all callers.
4197 (Sized_symbol::override): Likewise.
4198 (Symbol_table::override): Likewise.
4199 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
4200 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
4201 is_ordinary, and orig_st_shndx parameters. Change all callers.
4202 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4203 to be in an ordinary section.
4204 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4205 object and is_ordinary parameters. Change all callers.
4206 (Sized_dwarf_line_info::read_relocs): Add object parameter.
4207 Change all callers. Don't add undefined or non-ordinary symbols
4208 to reloc_map_.
4209 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4210 Change all callers.
4211 * dwarf_reader.h (class Sized_dwarf_line_info): Update
4212 declarations.
4213 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4214 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4215 (Sized_relobj::relocate_sections): Likewise.
4216 * target-reloc.h (scan_relocs): Adjust section symbol index.
4217 (scan_relocatable_relocs): Likewise.
4218 * i386.cc (Scan::local): Check for ordinary symbols.
4219 * sparc.cc (Scan::local): Likewise.
4220 * x86_64.cc (Scan::local): Likewise.
4221 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4222 to symbol_section_and_value.
4223 * testsuite/many_sections_test.cc: New file.
4224 * testsuite/Makefile.am (BUILT_SOURCES): Define.
4225 (check_PROGRAMS): Add many_sections_test.
4226 (many_sections_test_SOURCES): Define.
4227 (many_sections_test_DEPENDENCIES): Define.
4228 (many_sections_test_LDFLAGS): Define.
4229 (BUILT_SOURCES): Add many_sections_define.h.
4230 (many_sections_define.h): New target.
4231 (BUILT_SOURCES): Add many_sections_check.h.
4232 (many_sections_check.h): New target.
4233 (check_PROGRAMS): Add many_sections_r_test.
4234 (many_sections_r_test_SOURCES): Define.
4235 (many_sections_r_test_DEPENDENCIES): Define.
4236 (many_sections_r_test_LDFLAGS): Define.
4237 (many_sections_r_test_LDADD): Define.
4238 (many_sections_r_test.o): New target.
4239 * testsuite/Makefile.in: Rebuild.
4240
c5818ff1
CC		 42412008-04-17 Cary Coutant <ccoutant@google.com>
4242
4243 * errors.cc (Errors::info): New function.
4244 (gold_info): New function.
4245 * errors.h (Errors::info): New function.
4246 * gold.h (gold_info): New function.
4247 * object.cc (Input_objects::add_object): Print trace output.
4248 * options.cc (options::parse_set): New function.
4249 (General_options::parse_wrap): Deleted.
4250 (General_options::General_options): Deleted initializer.
4251 * options.h (options::String_set): New typedef.
4252 (options::parse_set): New function.
4253 (DEFINE_set): New macro.
4254 (General_options::wrap): Changed to use DEFINE_set. Changed
4255 callers of any_wrap_symbols and is_wrap_symbol.
4256 (General_options::trace, General_options::trace_symbol):
4257 New options.
4258 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4259 (General_options::wrap_symbols_): Deleted.
4260 * symtab.cc (Symbol_table::add_from_object): Print trace output.
4261
b5be4a7c
DM		 42622008-04-17 David S. Miller <davem@davemloft.net>
4263
4264 * options.cc (General_options::parse_V): New function.
4265 * options.h: Add entries for -V and -Qy.
4266
155a0dd7
ILT		 42672008-04-17 Ian Lance Taylor <iant@google.com>
4268
4269 * common.cc (Symbol_table::allocate_commons): Remove options
4270 parameter. Change caller.
4271 (Symbol_table::do_allocate_commons): Remove options parameter.
4272 Change caller. Just call do_allocate_commons_list twice.
4273 (Symbol_table::do_allocate_commons_list): New function, broken out
4274 of do_allocate_commons.
4275 * common.h (class Allocate_commons_task): Remove options_ field.
4276 Update constructor.
4277 * symtab.cc (Symbol_table::Symbol_table): Initialize
4278 tls_commons_.
4279 (Symbol_table::add_from_object): Put TLS common symbols on
4280 tls_commons_ list.
4281 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4282 which are IN_OUTPUT_DATA.
4283 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
4284 allocate_commons and do_allocate_commons declarations. Declare
4285 do_allocate_commons_list.
4286 * gold.cc (queue_middle_tasks): Update creation of
4287 Allocate_commons_task to not pass options.
4288 * testsuite/Makefile.am (INCLUDES): Add -I.. .
4289 (TLS_TEST_C_FLAGS): New variable.
4290 (tls_test_c_pic.o): New target.
4291 (tls_test_shared.so): Link in tls_test_c_pic.o.
4292 (tls_test_c_pic_ie.o): New target.
4293 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4294 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4295 (tls_test_c.o): New target.
4296 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4297 (tls_pic_test_LDADD): Likewise.
4298 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4299 (tls_shared_gd_to_ie_test_LDADD): Likewise.
4300 (tls_test_c_gnu2.o): New target.
4301 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4302 tls_test_c_gnu2.o.
4303 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4304 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4305 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4306 * testsuite/tls_test.cc: Include "config.h".
4307 (t_last): Call t11_last.
4308 * testsuite/tls_test.h (t11, t11_last): Declare.
4309 * testsuite/tls_test_c.c: New file.
4310 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4311 * configure.ac: Check for OpenMP support.
4312 * configure, config.in, Makefile.in: Rebuild.
4313 * testsuite/Makefile.in: Rebuild.
4314
edfbb029
CC		 43152008-04-16 Cary Coutant <ccoutant@google.com>
4316
4317 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4318 (Target_i386::tls_base_symbol_defined_): New field.
4319 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4320 (Target_i386::Scan::global): Likewise.
4321 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4322 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4323 (Target_x86_64::tls_base_symbol_defined_): New field.
4324 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4325 (Target_x86_64::Scan::global): Likewise.
4326
f3c69fca
CC		 43272008-04-16 Cary Coutant <ccoutant@google.com>
4328
4329 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4330 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4331 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4332 building shared libraries.
4333 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4334 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4335 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4336 * testsuite/Makefile.in: Rebuild.
4337 * testsuite/weak_undef.h: New file.
4338 * testsuite/weak_undef_file1.cc: Add extra test cases.
4339 * testsuite/weak_undef_file2.cc: Likewise.
4340 * testsuite/weak_undef_test.cc: Likewise.
4341
7c414435
DM		 43422008-04-16 David S. Miller <davem@davemloft.net>
4343
32b769e1
DM		 4344 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4345 Add issued_non_pic_error_ field. Declare check_non_pic.
4346 (Target_sparc::Scan::check_non_pic): New function.
4347 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4348 (Target_sparc::Scan::global): Likewise.
4349
11936fb1
DM		 4350 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4351 * configure: Rebuild.
4352
7c414435
DM		 4353 * options.h (DEFINE_enable): New macro.
4354 (new_dtags): New enable option.
4355 (initfirst, interpose, loadfltr, nodefaultlib,
4356 nodelete, nodlopen, nodump): New -z options.
4357 * layout.cc (Layout:finish_dynamic_section): If new
4358 dtags enabled, emit DT_RUNPATH. Also, emit a
4359 DT_FLAGS_1 containing any specified -z flags.
4360
85c7bf8b
ILT		 43612008-04-16 Ian Lance Taylor <iant@google.com>
4362
12c0daef
ILT		 4363 * copy-relocs.cc: New file.
4364 * copy-relocs.h: New file.
4365 * reloc.cc: Remove Copy_relocs code.
4366 * reloc.h: Likewise.
4367 * reloc-types.h (struct Reloc_types) [both versions]: Add
4368 get_reloc_addend_noerror.
4369 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4370 variants of add_global which take an addend which must be zero.
4371 * i386.cc: Include "copy-relocs.h".
4372 (class Target_i386): Change type of copy_relocs_ to variable,
4373 update initializer.
4374 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4375 Change all callers.
4376 (Target_i386::do_finalize_sections): Change handling of
4377 copy_relocs_.
4378 * sparc.cc: Include "copy-relocs.h".
4379 (class Target_sparc): Change type of copy_relocs_ to variable,
4380 update initializer.
4381 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4382 Change all callers.
4383 (Target_sparc::do_finalize_sections): Change handling of
4384 copy_relocs_.
4385 * x86_64.cc: Include "copy-relocs.h".
4386 (class Target_x86_64): Change type of copy_relocs_ to variable,
4387 update initializer.
4388 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4389 class. Change all callers.
4390 (Target_x86_64::do_finalize_sections): Change handling of
4391 copy_relocs_.
4392 * Makefile.am (CCFILES): Add copy-relocs.cc.
4393 (HFILES): Add copy-relocs.h.
4394
4f4995b6
ILT		 4395 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4396
85c7bf8b
ILT		 4397 * testsuite/script_test_4.sh: Permit leading zeroes.
4398
4f2a9edd
ILT		 43992008-04-15 Ian Lance Taylor <iant@google.com>
4400
e6188289
ILT		 4401 * script-sections.cc (Script_sections::create_segments): Use
4402 header_size_adjustment even when there is enough room for the
4403 headers.
4404 * testsuite/script_test_4.sh: New file.
4405 * testsuite/script_test_4.t: New file.
4406 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4407 (check_DATA): Add script_test_4.stdout.
4408 (MOSTLYCLEANFILES): Likewise.
4409 (script_test_4): New target.
4410 (script_test_4.stdout): New target.
4411 * testsuite/Makefile.in: Rebuild.
4412
4f2a9edd
ILT		 4413 * sparc.cc: Add definitions for Output_data_plt_sparc class
4414 constants.
4415
f5314dd5
DM		 44162008-04-14 David S. Miller <davem@davemloft.net>
4417
4418 * sparc.cc: New file.
4419 * Makefile.am (TARGETSOURCES): Add sparc.cc
4420 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4421 * configure.tgt: Document targ_extra_size and
4422 targ_extra_big_endian. Add entries for sparc-* and
4423 sparc64-*.
4424 * configure.ac: Handle targ_extra_size and
4425 targ_extra_big_endian.
4426 * Makefile.in: Rebuild.
4427 * configure: Likewise.
4428 * po/POTFILES.in: Likewise.
4429 * po/gold.pot: Likewise.
4430
154e0e9a
ILT		 44312008-04-14 Ian Lance Taylor <iant@google.com>
4432
4433 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4434 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4435 in the name/type/flags to section mapping. Don't call
4436 allocate_output_section.
4437 (Layout::choose_output_section): Change parameter from adjust_name
4438 to is_input_section. Don't permit input sections after sections
4439 are attached to segments. Don't call allocate_output_section.
4440 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4441 not write_enable_output_section.
4442 (Layout::make_output_section): Don't push to
4443 unattached_section_list_ nor call attach_to_segment. Call
4444 attach_section_to_segment if sections are attached.
4445 (Layout::attach_sections_to_segments): New function.
4446 (Layout::attach_section_to_segment): New function.
4447 (Layout::attach_allocated_section_to_segment): Rename from
4448 attach_to_segment. Remove flags parameter.
4449 (Layout::allocate_output_section): Remove function.
4450 (Layout::write_enable_output_section): Remove function.
4451 * layout.h (class Layout): Update for above changes. Add new
4452 field sections_are_attached_.
4453 * output.h (Output_section::update_flags_for_input_section): New
4454 function.
4455 * output.cc (Output_section::add_input_section): Call
4456 update_flags_for_input_section.
4457 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4458
009a67a2
CC		 44592008-04-11 Cary Coutant <ccoutant@google.com>
4460
4461 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4462 thought unnecessary.
4463 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4464
759b1a24
ILT		 44652008-04-11 Ian Lance Taylor <iant@google.com>
4466
4467 * output.h (class Output_section_data): Remove inline definition
4468 of set_addralign.
4469 * output.cc (Output_section_data::set_addralign): New function.
4470
c2b45e22
CC		 44712008-04-11 Cary Coutant <ccoutant@google.com>
4472
4473 Add support for TLS descriptors for i386 and x86_64.
4474 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4475 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4476 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4477 GOT_TYPE_TLS_DESC.
4478 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4479 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4480 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4481 relocations.
4482 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4483 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4484 Fix problem with initial-exec relocations.
4485 (Target_i386::Relocate::relocate_tls): Likewise.
4486 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4487 relaxation.
4488 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4489 support for section-plus-offset dynamic table entries.
4490 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4491 (Output_data_dynamic::Dynamic_entry): Add support for
4492 section-plus-offset dynamic table entries.
4493 (Output_data_dynamic::Classification): Likewise.
4494 (Output_data_dynamic::classification_): Renamed offset_.
4495 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4496 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4497 (Target_x86_64::make_plt_section): New function.
4498 (Target_x86_64::reserve_tlsdesc_entries): New function.
4499 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4500 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4501 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4502 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4503 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4504 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4505 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4506 add extra PLT entry for TLS descriptors.
4507 (Output_data_plt_x86_64::got_): New field.
4508 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4509 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4510 fields.
4511 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4512 descriptors.
4513 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4514 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4515 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4516 R_386_TLS_DESC_CALL relocations.
4517 (Target_x86_64::Scan::global): Likewise.
4518 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4519 for TLS descriptors.
4520 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4521 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4522 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4523 GD-to-IE relaxation.
4524 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4525 and TLS_DESCRIPTORS.
4526 * Makefile.in: Rebuild.
4527 * configure: Rebuild.
4528 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4529 (tls_test_shared2.so): New target.
4530 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4531 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4532 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4533 (tls_shared_gd_to_ie_test_LDADD): New variable.
4534 (tls_shared_gnu2_gd_to_ie_test): New target.
4535 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4536 New targets.
4537 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4538 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4539 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4540 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4541 (tls_shared_gnu2_test): New target.
4542 (tls_test_gnu2_shared.so): New target.
4543 (tls_shared_gnu2_test_SOURCES): New variable.
4544 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4545 (tls_shared_gnu2_test_LDFLAGS): New variable.
4546 (tls_shared_gnu2_test_LDADD): New variable.
4547 * testsuite/Makefile.in: Rebuild.
4548 * testsuite/Makefile.
4549
83bfb6b7
ILT		 45502008-04-11 Ian Lance Taylor <iant@google.com>
4551
4552 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4553 justsyms.t.
4554 * testsuite/Makefile.in: Rebuild.
4555
4556 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4557 long.
4558 * testsuite/script_test_2.cc (main): Adjust test.
4559
706e1f5e
ILT		 45602008-04-11 David S. Miller <davem@davemloft.net>
4561 Ian Lance Taylor <iant@google.com>
4562
4563 * options.h (General_options): Add entries for '-Y' and
4564 '-relax'.
4565 * options.cc (General_options:finalize): If -Y was used, add those
4566 entries to the library path instead of the default "/lib" and
4567 "/usr/lib".
4568
7c98e6bb
DM		 45692008-04-11 David S. Miller <davem@davemloft.net>
4570
4571 * testsuite/justsyms.t: Start at 0x100.
4572 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 4573 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4574 long.
4575 * testsuite/script_test_2.cc: Adjust string and section length
4576 checks.
7c98e6bb 4577
99a37bfd
ILT		 45782008-04-09 Ian Lance Taylor <iant@google.com>
4579
2cefc357
ILT		 4580 PR gold/5996
4581 * script-sections.cc (Sections_element::allocate_to_segment): Add
4582 orphan parameter.
4583 (Output_section_definition::allocate_to_segment): Likewise.
4584 (Orphan_output_section::allocate_to_segment): Likewise.
4585 (Script_sections::attach_sections_using_phdrs_clause): Don't
4586 propagate non-PT_LOAD segments to orphan sections.
4587 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4588 readelf rather than objdump.
4589 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4590 .interp section and PT_INTERP segment are the same size.
4591 * testsuite/Makefile.in: Rebuild.
4592
99a37bfd
ILT		 4593 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4594 aliases for symbols defined in the same object.
4595 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4596 (weak_alias_test_SOURCES): New variable.
4597 (weak_alias_test_DEPENDENCIES): New variable.
4598 (weak_alias_test_LDFLAGS): New variable.
4599 (weak_alias_test_LDADD): New variable.
4600 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4601 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4602 (weak_alias_test_3.o): New target.
4603 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4604 * testsuite/weak_alias_test_main.cc: New file.
4605 * testsuite/weak_alias_test_1.cc: New file.
4606 * testsuite/weak_alias_test_2.cc: New file.
4607 * testsuite/weak_alias_test_3.cc: New file.
4608
780e49c5
ILT		 46092008-04-08 Ian Lance Taylor <iant@google.com>
4610
cdb0b8f5
ILT		 4611 * options.h (class General_options): Add --noinhibit-exec option.
4612 * main.cc (main): Check --noinhibit-exec.
4613
0864d551
ILT		 4614 * options.h (class General_options): Define --wrap as a special
4615 option. Add wrap_symbols_ field.
4616 (General_options::any_wrap_symbols): New function.
4617 (General_options::is_wrap_symbol): New function.
4618 * options.cc (General_options::parse_wrap): New function.
4619 (General_options::General_options): Initialize wrap_symbols_.
4620 * symtab.cc (Symbol_table::wrap_symbol): New function.
4621 (Symbol_table::add_from_object): Handle --wrap.
4622 * symtab.h (class Symbol_table): Declare wrap_symbol.
4623 * target.h (Target::wrap_char): New function.
4624 (Target::Target_info): Add wrap_char field.
4625 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4626 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4627 * testsuite/testfile.cc (Target_test::test_target_info):
4628 Likewise.
4629
789aa6de
ILT		 4630 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4631 there is one.
4632
2c38906f
ILT		 4633 * layout.h (class Layout): Add added_eh_frame_data_ field.
4634 * layout.cc (Layout::Layout): Initialize new field.
4635 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4636 output section until we find a section we merged successfully.
4637 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4638 that the size be non-zero.
4639
780e49c5
ILT		 4640 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4641 qualifier.
4642
7fcd0256
ILT		 46432008-04-08 Craig Silverstein <csilvers@google.com>
4644
4645 * configure.ac: Export new conditional variable HAVE_ZLIB.
4646 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4647 on HAVE_ZLIB.
4648 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4649 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4650
6835af53
ILT		 46512008-04-07 Ian Lance Taylor <iant@google.com>
4652
e24f324c
ILT		 4653 * version.cc (version_string): Set to "1.5".
4654
a036edd8
ILT		 4655 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4656 Add issued_non_pic_error_ field. Declare check_non_pic.
4657 (Target_x86_64::Scan::check_non_pic): New function.
4658 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4659 (Target_x86_64::Scan::global): Likewise.
4660
624f8810
ILT		 4661 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4662 addend parameter. Change caller. Handle merge sections.
4663 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4664 Address to Addend. Don't add in the result of
4665 local_section_offset, pass down the addend and use the returned
4666 value.
4667 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4668 Update declarations of local_section_offset and symbol_value.
4669 * testsuite/two_file_test_1.cc (t18): New function.
4670 * testsuite/two_file_test_2.cc (f18): New function.
4671 * testsuite/two_file_test_main.cc (main): Call t18.
4672 * testsuite/two_file_test.h (t18, f18): Declare.
4673
6835af53
ILT		 4674 * configure.ac: Don't test for objdump, c++filt, or readelf.
4675 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4676 conditionals.
4677 (TEST_READELF): New variable.
4678 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4679 (check_PROGRAMS): Add two_file_strip_test.
4680 (two_file_strip_test): New target.
4681 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4682 (two_file_same_shared_strip_test_SOURCES): New variable.
4683 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4684 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4685 (two_file_same_shared_strip_test_LDADD): New variable.
4686 (two_file_shared_strip.so): New target.
4687 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4688 (ver_test_5.syms, ver_test_7.syms): Likewise.
4689 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4690 (strip_test_3.stdout): Use TEST_OBJDUMP.
4691 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4692
86925eef
CC		 46932008-04-04 Cary Coutant <ccoutant@google.com>
4694
4695 * symtab.h (Symbol::is_weak_undefined): New function.
4696 (Symbol::is_strong_undefined): New function.
4697 (Symbol::is_absolute): New function.
4698 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4699 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4700 absolute symbols.
4701 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4702 (weak_undef_test): New target.
4703 * testsuite/Makefile.in: Rebuild.
4704 * testsuite/weak_undef_file1.cc: New file.
4705 * testsuite/weak_undef_file2.cc: New file.
4706 * testsuite/weak_undef_test.cc: New file.
4707
126f3ece
ILT		 47082008-04-03 Craig Silverstein <csilvers@google.com>
4709
4710 * compressed_output.h (class Output_compressed_section): Use
4711 unsigned buffer.
4712 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4713 add zlib header.
4714 (zlib_compressed_suffix): Removed.
4715 (Output_compressed_section::set_final_data_size): Use unsigned
4716 buffers.
4717 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4718 Fix linker invocation.
4719 (flagstest_o_specialfile_and_compress_debug_sections):
4720 Likewise.
4721 * testsuite/Makefile.in: Regenerated.
4722
deae2a14
DM		 47232008-04-02 David S. Miller <davem@davemloft.net>
4724
4725 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4726 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4727
70752818
ILT		 47282008-04-02 Craig Silverstein <csilvers@google.com>
4729
4730 * TODO: New file.
4731
39d0cb0e
ILT		 47322008-04-02 Ian Lance Taylor <iant@google.com>
4733
4734 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4735 parameters. Update for new key type to views_. Change all
4736 callers.
4737 (File_read::read): Adjust for byteshift in returned view.
4738 (File_read::add_view): New function, broken out of
4739 find_and_make_view.
4740 (File_read::make_view): New function, broken out of
4741 find_and_make_view.
4742 (File_read::find_or_make_view): Add offset and aligned
4743 parameters. Rewrite accordingly. Change all callers.
4744 (File_read::get_view): Add offset and aligned parameters. Adjust
4745 for byteshift in return value.
4746 (File_read::get_lasting_view): Likewise.
4747 * fileread.h (class File_read): Update declarations.
4748 (class File_read::View): Add byteshift_ field. Add byteshift to
4749 constructor. Add byteshift method.
4750 * archive.h (Archive::clear_uncached_views): New function.
4751 (Archive::get_view): Add aligned parameter. Change all callers.
4752 * object.h (Object::get_view): Add aligned parameter. Change all
4753 callers.
4754 (Object::get_lasting_view): Likewise.
4755
4756 * fileread.cc (File_read::release): Don't call clear_views if
4757 there are multiple objects.
4758 * fileread.h (File_read::clear_uncached_views): New function.
4759 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4760 on the archive.
4761
a1207466
CC		 47622008-03-31 Cary Coutant <ccoutant@google.com>
4763
4764 Add thin archive support.
4765 * archive.cc (Archive::armagt): New const.
4766 (Archive::setup): Remove task parameter and calls to unlock.
4767 (Archive::unlock_nested_archives): New function.
4768 (Archive::read_header): Add nested_off parameter. Change
4769 all callers.
4770 (Archive::interpret_header): Likewise.
4771 (Archive::include_all_members): Change to handle thin
4772 archives.
4773 (Archive::include_member): Likewise.
4774 * archive.h (Archive::Archive): Add new parameters and
4775 initializers.
4776 (Archive::armagt): New const.
4777 (Archive::setup): Remove task parameter.
4778 (Archive::unlock_nested_archives): New function.
4779 (Archive::read_header): Add nested_off parameter.
4780 (Archive::interpret_header): Likewise.
4781 (Archive::Nested_archive_table): New typedef.
4782 (Archive::is_thin_archive_): New field.
4783 (Archive::nested_archives_): New field.
4784 (Archive::options_): New field.
4785 (Archive::dirpath_): New field.
4786 (Archive::task_): New field.
4787 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4788 for thin archives. Pass additional parameters to
4789 Archive::Archive. Unlock the archive file after calling
4790 Archive::setup.
cd536b21 4791
479f6503
ILT		 47922008-03-29 Ian Lance Taylor <iant@google.com>
4793
686c8caf
ILT		 4794 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4795 version symbol to be local.
4796 * testsuite/ver_test_4.sh: New file.
4797 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4798 (check_DATA): Add ver_test_4.syms.
4799 (ver_test_4.syms): New target.
4800 * testsuite/Makefile.in: Rebuild.
4801
ab794b6b
ILT		 4802 * output.cc
4803 (Output_section::Input_section_sort_entry::has_priority): New
4804 function.
4805 (Output_section::Input_section_sort_entry::match_file_name): New
4806 function.
4807 (Output_section::Input_section_sort_entry::match_section_name):
4808 Remove.
4809 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4810 Remove.
4811 (Output_section::Input_section_sort_entry::match_section_file):
4812 Remove.
4813 (Output_section::Input_section_sort_compare::operator()): Rewrite
4814 using new Input_section_sort_entry functions. Sort crtbegin and
4815 crtend first. Sort sections with no priority before sections with
4816 a priority.
4817 * testsuite/initpri1.c (d3): Check j != 4.
4818 (cd5): New constructor/destructor function.
4819 (main): Check j != 2.
4820
479f6503
ILT		 4821 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4822 new symbol when resolving, don't call set_is_default.
4823 * testsuite/ver_test_7.cc: New file.
4824 * testsuite/ver_test_7.sh: New file.
4825 * testsuite/Makefile.am (ver_test_7.so): New target.
4826 (ver_test_7.o): New target.
4827 (check_SCRIPTS): Add ver_test_7.sh.
4828 (check_DATA): Add ver_test_7.syms.
4829 (ver_test_7.syms): New target.
4830
2fd32231
ILT		 48312008-03-28 Ian Lance Taylor <iant@google.com>
4832
4833 * layout.cc (Layout::layout): If we see an input section with a
4834 name that needs sorting, set the must_sort flag for the output
4835 section.
4836 (Layout::make_output_section): If the name of the output section
4837 indicates that it might require sorting, set the may_sort flag.
4838 * output.h (Output_section::may_sort_attached_input_sections): New
4839 function.
4840 (Output_section::set_may_sort_attached_input_sections): New
4841 function.
4842 (Output_section::must_sort_attached_input_sections): New
4843 function.
4844 (Output_section::set_must_sort_attached_input_sections): New
4845 function.
4846 (class Output_section): Declare Input_section_sort_entry. Define
4847 Input_section_sort_compare. Declare
4848 sort_attached_input_sections. Add new fields:
4849 may_sort_attached_input_sections_,
4850 must_sort_attached_input_sections_,
4851 attached_input_sections_are_sorted_.
4852 * output.cc (Output_section::Output_section): Initialize new
4853 fields.
4854 (Output_section::add_input_section): Add an entry to
4855 input_sections_ if may_sort or must_sort are true.
4856 (Output_section::set_final_data_size): Call
4857 sort_attached_input_sections if necessary.
4858 (Output_section::Input_section_sort_entry): Define new class.
4859 (Output_section::Input_section_sort_compare::operator()): New
4860 function.
4861 (Output_section::sort_attached_input_sections): New function.
4862 * configure.ac: Check whether the compiler supports constructor
4863 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4864 * testsuite/initpri1.c: New file.
4865 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4866 CONSTRUCTOR_PRIORITY.
4867 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4868 (initpri1_LDFLAGS): New variable.
4869 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4870
18e6b24e
ILT		 48712008-03-27 Ian Lance Taylor <iant@google.com>
4872
49bdd526
ILT		 4873 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4874 * testsuite/common_test_1.c: New file.
4875 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4876 (common_test_1_SOURCES): New variable.
4877 (common_test_1_DEPENDENCIES): New variable.
4878 (common_test_1_LDFLAGS): New variable.
4879
18e6b24e
ILT		 4880 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4881 and commons_ correctly when NAME/VERSION does not override
4882 NAME/NULL.
4883 * testsuite/ver_test_6.c: New file.
4884 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4885 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4886 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4887
04bf7072
ILT		 48882008-03-26 Ian Lance Taylor <iant@google.com>
4889
5871526f
ILT		 4890 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4891 of an undefined symbol from a version script.
4892 * testsuite/Makefile.am (ver_test_5.so): New target.
4893 (ver_test_5.o): New target.
4894 (check_SCRIPTS): Add ver_test_5.sh.
4895 (check_DATA): Add ver_test_5.syms.
4896 (ver_test_5.syms): New target.
4897 * testsuite/ver_test_5.cc: New file.
4898 * testsuite/ver_test_5.script: New file.
4899 * testsuite/ver_test_5.sh: New file.
4900 * Makefile.in, testsuite/Makefile.in: Rebuild.
4901
04bf7072
ILT		 4902 PR gold/5986
4903 Fix problems building gold with gcc 4.3.0.
4904 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4905 (gold_error_at_location, gold_warning_at_location): Use it.
4906 * configure.ac: Check whether we can compile and use a template
4907 function with a printf attribute.
4908 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4909 when jumping over bytes.
4910 * object.cc: Instantiate Object::read_section_data.
4911 * debug.h: Include <cstring>
4912 * dwarf_reader.cc: Include <algorithm>
4913 * main.cc: Include <cstring>.
4914 * options.cc: Include <cstring>.
4915 * output.cc: Include <cstring>.
4916 * script.cc: Include <cstring>.
4917 * script.h: Include <string>.
4918 * symtab.cc: Include <cstring> and <algorithm>.
4919 * target-select.cc: Include <cstring>.
4920 * version.cc: Include <string>.
4921 * testsuite/testmain.cc: Include <cstdlib>.
4922 * configure, config.in: Rebuild.
4923
874c5b28
ILT		 49242008-03-25 Ian Lance Taylor <iant@google.com>
4925
819d6c3a
ILT		 4926 * options.cc: Include "../bfd/bfdver.h".
4927 (options::help): Print bug reporting address.
4928
f4b2c6f5
ILT		 4929 * version.cc (print_version): Adjust output for current value of
4930 BFD_VERSION_STRING.
4931
4932 * NEWS: New file.
4933
e96caa79
ILT		 4934 * options.cc (options::help): Print list of supported targets.
4935 * target-select.h: Include <vector>.
4936 (class Target_selector): Make machine_, size_, and is_big_endian_
4937 fields const. Add bfd_name_ and instantiated_target_ fields.
4938 (Target_selector::Target_selector): Add bfd_name parameter.
4939 (Target_selector::recognize): Make non-virtual, call
4940 do_recognize.
4941 (Target_selector::recognize_by_name): Make non-virtual, call
4942 do_recognize_by_name.
4943 (Target_selector::supported_names): New function.
4944 (Target_selector::bfd_name): New function.
4945 (Target_selector::do_instantiate_target): New pure virtual
4946 function.
4947 (Target_selector::do_recognize): New virtual function.
4948 (Target_selector::do_recognize_by_name): New virtual function.
4949 (Target_selector::instantiate_target): New private function.
4950 (supported_target_names): Declare.
4951 * target-select.cc (Target_selector::Target_selector): Update for
4952 new parameter and fields.
4953 (select_target_by_name): Check that the name matches before
4954 calling recognize_by_name.
4955 (supported_target_names): New function.
4956 * i386.cc (class Target_selector_i386): Update Target_selector
4957 constructor call. Remove recognize and recognize_by_name. Add
4958 do_instantiate_target.
4959 * x86_64.cc (class Target_selector_x86_64): Likewise.
4960 * testsuite/testfile.cc (class Target_selector_test): Update for
4961 changes to Target_selector.
4962
874c5b28
ILT		 4963 * README: Rewrite, with some notes on unsupported features.
4964
0a65a3a7
CC		 49652008-03-24 Cary Coutant <ccoutant@google.com>
4966
4967 * i386.cc (Target_i386::Got_type): New enum declaration.
4968 (Target_i386::Scan::local): Updated callers of Output_data_got
4969 member functions.
4970 (Target_i386::Scan::global): Likewise.
4971 (Target_i386::Relocate::relocate): Likewise.
4972 (Target_i386::Relocate::relocate_tls): Likewise.
4973 * object.h (Got_offset_list): New class.
4974 (Sized_relobj::local_has_got_offset): Added got_type parameter.
4975 (Sized_relobj::local_got_offset): Likewise.
4976 (Sized_relobj::set_local_got_offset): Likewise.
4977 (Sized_relobj::local_has_tls_got_offset): Removed.
4978 (Sized_relobj::local_tls_got_offset): Removed.
4979 (Sized_relobj::set_local_tls_got_offset): Removed.
4980 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4981 * output.cc (Output_data_got::add_global): Added got_type parameter.
4982 (Output_data_got::add_global_with_rel): Likewise.
4983 (Output_data_got::add_global_with_rela): Likewise.
4984 (Output_data_got::add_global_pair_with_rel): New function.
4985 (Output_data_got::add_global_pair_with_rela): New function.
4986 (Output_data_got::add_local): Added got_type parameter.
4987 (Output_data_got::add_local_with_rel): Likewise.
4988 (Output_data_got::add_local_with_rela): Likewise.
4989 (Output_data_got::add_local_pair_with_rel): New function.
4990 (Output_data_got::add_local_pair_with_rela): New function.
4991 (Output_data_got::add_global_tls): Removed.
4992 (Output_data_got::add_global_tls_with_rel): Removed.
4993 (Output_data_got::add_global_tls_with_rela): Removed.
4994 (Output_data_got::add_local_tls): Removed.
4995 (Output_data_got::add_local_tls_with_rel): Removed.
4996 (Output_data_got::add_local_tls_with_rela): Removed.
4997 * output.h (Output_data_got::add_global): Added got_type parameter.
4998 (Output_data_got::add_global_with_rel): Likewise.
4999 (Output_data_got::add_global_with_rela): Likewise.
5000 (Output_data_got::add_global_pair_with_rel): New function.
5001 (Output_data_got::add_global_pair_with_rela): New function.
5002 (Output_data_got::add_local): Added got_type parameter.
5003 (Output_data_got::add_local_with_rel): Likewise.
5004 (Output_data_got::add_local_with_rela): Likewise.
5005 (Output_data_got::add_local_pair_with_rel): New function.
5006 (Output_data_got::add_local_pair_with_rela): New function.
5007 (Output_data_got::add_global_tls): Removed.
5008 (Output_data_got::add_global_tls_with_rel): Removed.
5009 (Output_data_got::add_global_tls_with_rela): Removed.
5010 (Output_data_got::add_local_tls): Removed.
5011 (Output_data_got::add_local_tls_with_rel): Removed.
5012 (Output_data_got::add_local_tls_with_rela): Removed.
5013 * resolve.cc (Symbol::override_base_with_special): Removed
5014 reference to has_got_offset_ field.
5015 * symtab.cc (Symbol::init_fields): Replaced initialization
5016 of got_offset_ with got_offsets_. Removed initialization
5017 of has_got_offset_
53fcba31 5018 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 5019 (Symbol::got_offset): Likewise.
5020 (Symbol::set_got_offset): Likewise.
5021 (Symbol::has_tls_got_offset): Removed.
5022 (Symbol::tls_got_offset): Removed.
5023 (Symbol::set_tls_got_offset): Removed.
5024 (Symbol::got_offset_): Removed.
5025 (Symbol::tls_mod_got_offset_): Removed.
5026 (Symbol::tls_pair_got_offset_): Removed.
5027 (Symbol::got_offsets_): New field.
5028 (Symbol::has_got_offset): Removed.
5029 (Symbol::has_tls_mod_got_offset): Removed.
5030 (Symbol::has_tls_pair_got_offset): Removed.
5031 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5032 (Target_x86_64::Scan::local): Updated callers of Output_data_got
5033 member functions.
5034 (Target_x86_64::Scan::global): Likewise.
5035 (Target_x86_64::Relocate::relocate): Likewise.
5036 (Target_x86_64::Relocate::relocate_tls): Likewise.
5037
bd52eafb
BE		 50382008-03-25 Ben Elliston <bje@au.ibm.com>
5039
5040 * yyscript.y: Fix spelling error in comment.
5041
8b105e34
ILT		 50422008-03-24 Ian Lance Taylor <iant@google.com>
5043
8ed814a9
ILT		 5044 * options.h (class General_options): Define build_id option.
5045 * layout.h (class Layout): Declare write_build_id, create_note,
5046 create_build_id. Add build_id_note_ member.
5047 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5048 "libiberty.h", "md5.h", "sha1.h".
5049 (Layout::Layout): Initialize eh_frame_data_,
5050 eh_frame_hdr_section_, and build_id_note_.
5051 (Layout::finalize): Call create_build_id.
5052 (Layout::create_note): New function, broken out of
5053 Layout::create_gold_note.
5054 (Layout::create_gold_note): Call create_note.
5055 (Layout::create_build_id): New function.
5056 (Layout::write_build_id): New function.
5057 (Close_task_runner::run): Call write_build_id.
5058
8b105e34
ILT		 5059 * x86_64.cc: Correct license to GPLv3.
5060
086a1841
ILT		 50612008-03-23 Ian Lance Taylor <iant@google.com>
5062
5063 * options.cc: Include "demangle.h".
5064 (parse_optional_string): New function.
5065 (parse_long_option): Handle takes_optional_argument.
5066 (parse_short_option): Update dash_z initializer. Handle
5067 takes_optional_argument.
5068 (General_options::General_options): Initialize do_demangle_.
5069 (General_options::finalize): Set do_demangle_. Handle demangling
5070 style.
5071 * options.h (parse_optional_string): Declare.
5072 (struct One_option): Add optional_arg field. Update constructor.
5073 Update call constructor calls. Add takes_optional_argument
5074 function.
5075 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
5076 (DEFINE_optional_string): Define.
5077 (General_options::demangle): Change from DEFINE_bool to
5078 DEFINE_optional_string.
5079 (General_options::no_demangle): New function.
5080 (General_options::do_demangle): New function.
5081 (General_options::set_do_demangle): New function.
5082 (General_options::execstack_status_): Move definition to end of
5083 class definition.
5084 (General_options::static_): Likewise.
5085 (General_options::do_demangle_): New field.
5086 * object.cc (big_endian>::get_symbol_location_info): Call
5087 Options::do_demangle, not Options::demangle.
5088 * symtab.cc (demangle): Likewise.
5089
cbb93e63
ILT		 50902008-03-22 Ian Lance Taylor <iant@google.com>
5091
5092 * gold.h: Include <cstddef> and <sys/types.h>
5093 * options.h: Include <cstring>.
5094
ec531623
ILT		 50952008-03-21 Ian Lance Taylor <iant@google.com>
5096
5097 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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