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* acinclude.m4: Add include of ../config/zlib.m4.
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
7c3afe08
RÁE		 12009-11-24 Rafael Avila de Espindola <espindola@google.com>
2
3 * incremental.cc (Incremental_inputs_header,
4 Incremental_inputs_header_write, Incremental_inputs_entry,
5 Incremental_inputs_entry_write): Update comment about which
6 type has the filed descriptions.
7
d204b6e9
DK		 82009-11-15 Doug Kwan <dougkwan@google.com>
9
10 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
11 (Arm_relocate_functions::arm_branch_common): Change method defintion
12 in class definition to a method declaration and update list of formal
13 parameters.
14 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
15 Arm_relocation_functions::jump24): Adjust call to
16 Arm_relocate_functions::arm_branch_common. Update list of formal
17 parameters.
18 (Arm_relocate_functions::xpc25): New method definition.
19 (Arm_relocate_functions::arm_branch_common): Move method defintion
20 out from class definition. Use stubs for mode-switching and extending
21 branch ranges.
22 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
23 specially. Change code to enable use of stubs in ARM branches.
24
43d12afe
DK		 252009-11-10 Doug Kwan <dougkwan@google.com>
26
27 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
28 in method declaration.
29 (Target_arm::relocate_stub): New method declaration.
30 (Target_arm::default_target): Change to return a pointer instead of
31 a const reference.
32 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
33 Target_arm::default_target.
34 (Arm_Relobj::do_relocate_sections): Remove options paramater in
35 method definition.
36 (Target_arm::relocate_section): Adjust view.
37 (Target_arm::relocate_stub): New method definition.
38
ac33a407
DK		 392009-11-10 Doug Kwan <dougkwan@google.com>
40
41 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
42 a format warning.
43 * incremental.cc (open_incremental_binary): Initialized local
44 variables to avoid warnings.
45 * object.cc (make_elf_object): Ditto.
46 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
47 a format warning.
48
88ee28e9
L		 49009-11-09 H.J. Lu <hongjiu.lu@intel.com>
50
51 PR gold/10930
52 * testsuite/plugin_test.c: Include "config.h".
53
2daedcd6
DK		 542009-11-09 Doug Kwan <dougkwan@google.com>
55
56 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
57 (arm_symbol_value): Remove.
58 (Arm_relocate_functions::arm_branch_common,
59 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
60 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
61 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
62 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
63 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
64 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
65 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
66 Arm_relocate_functions::thm_mobw_abs_nc,
67 Arm_relocate_functions::thm_mov_abs,
68 Arm_relocate_functions::movw_prel_nc,
69 Arm_relocate_functions::thm_movt_abs,
70 Arm_relocate_functions::movt_prel,
71 Arm_relocate_functions::thm_movw_prel_nc,
72 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
73 (Target_arm::Relocate::relocate): Only decompose address into two
74 parts if relocation type uses the thumb-bit and pass the actual
75 bit instead of a flag indicating that the thumb-bit is used. Adjust
76 calls to methods in Arm_relocate_functions for this change.
77
3e4afc80
ILT		 782009-11-08 Ian Lance Taylor <ian@airs.com>
79
80 PR 10925
81 * reloc.cc: Instantiate
82 Sized_relobj::initialize_input_to_output_maps and
83 Sized_relobj:free_input_to_output_maps.
84
e53ad1b5
ILT		 852009-11-06 Ian Lance Taylor <iant@google.com>
86
87 PR 10876
88 * defstd.cc (in_segment): Set only_if_ref true for "end".
89
eb44217c
DK		 902009-11-06 Doug Kwan <dougkwan@google.com>
91
92 * arm.cc (class Reloc_stub): Correct a comment.
93 (Target_arm::Target_arm): Initialize arm_input_section_map_.
94 (Target_arm::scan_section_for_stubs): New method declaration.
95 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
96 Change methods from private to protected.
97 (Target_arm::do_may_relax): New method definition.
98 (Target_arm::do_relax, Target_arm::group_sections,
99 Target_arm::scan_reloc_for_stub,
100 Target_arm::scan_reloc_section_for_stubs): New method declarations.
101 (Target_arm::arm_input_section_map_): New data member declaration.
102 (Target_arm::scan_reloc_for_stub,
103 Target_arm::scan_reloc_section_for_stubs,
104 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
105 Target_arm::do_relax): New method definitions.
106
5d329b7d
ILT		 1072009-11-06 Mikolaj Zalewski <mikolaj@google.com>
108
109 * configure.ac: Check for (struct stat)::st_mtim
110 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
111 * config.in: Regenerate.
112 * configure: Regenerate.
113
96a0d71b
ILT		 1142009-11-05 Ian Lance Taylor <iant@google.com>
115
116 PR 10910
117 * output.cc (Output_segment::add_output_section): Add missing
118 return statement.
119
594c8e5e
ILT		 1202009-11-04 Ian Lance Taylor <iant@google.com>
121
122 PR 10880
123 * object.h (class Object): Add is_needed and set_is_needed
124 methods. Add is_needed_ field. Make bool fields into bitfields.
125 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
126 defined in a dynamic object and referenced by a regular object,
127 set is_needed for the dynamic object.
128 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
129 if the file is marked with as_needed and it is not needed.
130
22b127cc
ILT		 1312009-11-04 Ian Lance Taylor <iant@google.com>
132
133 PR 10887
134 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
135 tags if data is discarded by linker script.
136 * i386.cc (Target_i386::do_finalize_sections): Likewise.
137 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
138 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
139 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
140
f5c870d2
ILT		 1412009-11-04 Ian Lance Taylor <iant@google.com>
142
143 * layout.cc (Layout::get_output_section): Add is_interp and
144 is_dynamic_linker_section parameters. Change all callers.
145 (Layout::choose_output_section): Likewise.
146 (Layout::make_output_section): Likewise.
147 (Layout::add_output_section_data): Add is_dynamic_linker_section
148 parameter. Change all callers.
149 * layout.h (class Layout): Update declarations.
150 * output.h (class Output_section): Add is_interp, set_is_interp,
151 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
152 Add is_interp_, is_dynamic_linker_section_ fields. Change
153 generate_code_fills_at_write_ to a bitfield.
154 * output.cc (Output_section::Output_sections): Initialize new
155 fields.
156 (Output_segment::add_output_section): Add do_sort parameter.
157 Change all callers.
158
1ae4d23b
ILT		 1592009-11-03 Ian Lance Taylor <iant@google.com>
160
161 PR 10860
162 * options.h (class General_options): Add --warn-common.
163 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
164 merging two common symbols.
165 (Symbol_table::should_override): Handle --warn-common when merging
166 a common symbol with a defined symbol. Use report_resolve_problem
167 for multiple definitions.
168 (Symbol_table::report_resolve_problem): New function.
169 * symtab.h (class Symbol_table): Declare report_resolve_problem.
170
55da9579
DK		 1712009-11-03 Doug Kwan <dougkwan@google.com>
172
173 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
174 stub_factory_.
175 (Target_arm::stub_factory): New method definition.
176 (Target_arm::new_arm_input_section,
177 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
178 Target_arm::reloc_uses_thumb_bit): New method declarations.
179 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
180 New type definitions.
181 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
182 member declarations.
183 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
184 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
185 New method definitions.
186
37a9ac43
ILT		 1872009-11-03 Ian Lance Taylor <iant@google.com>
188
189 * options.h (class General_options): Add --warn_constructors.
190
b3d6a3d4
ILT		 1912009-11-03 Ian Lance Taylor <iant@google.com>
192
193 PR 10893
194 * defstd.cc (in_section): Add entries for __rel_iplt_start,
195 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
196
934b01dd
ILT		 1972009-11-03 Ian Lance Taylor <iant@google.com>
198
199 PR 10895
200 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
201 --msgid-bugs-address.
202 (install-pdf): New target.
203 (install-data_yes): Look up one directory to find mkinstalldirs.
204
03c1939b
L		 2052009-11-03 H.J. Lu <hongjiu.lu@intel.com>
206
207 * po/Make-in (.po.gmo): Don't generate .gmo files in source
208 tree.
209
ebd95253
DK		 2102009-10-30 Doug Kwan <dougkwan@google.com>
211
212 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
213
e9bbb538
DK		 2142009-10-30 Doug Kwan <dougkwan@google.com>
215
216 * arm.cc (Stub_addend_reader): New struct template definition
217 and partial specializations.
218 (Stub_addend_reader::operator()): New method definition for a
219 partially specialized template.
220
d5b40221
DK		 2212009-10-30 Doug Kwan <dougkwan@google.com>
222
223 * arm.cc (Arm_relobj::processor_specific_flags): New method
224 definition.
225 (Arm_relobj::do_read_symbols): New method declaration.
226 (Arm_relobj::processor_specific_flags_): New data member declaration.
227 (Arm_dynobj): New class definition.
228 (Target_arm::do_finalize_sections): Add input_objects parameter.
229 (Target_arm::do_adjust_elf_header): New method declaration.
230 (Target_arm::are_eabi_versions_compatible,
231 (Target_arm::merge_processor_specific_flags): New method declaration.
232 (Target_arm::do_make_elf_object): New overloaded method definitions
233 and declaration.
234 (Arm_relobj::do_read_symbols): New method definition.
235 (Arm_dynobj::do_read_symbols): Ditto.
236 (Target_arm::do_finalize_sections): Add input_objects parameters.
237 Merge processor-specific flags from all input objects.
238 (Target_arm::are_eabi_versions_compatible,
239 Target_arm::merge_processor_specific_flags,
240 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
241 New method definitions.
242 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
243 Input_objects pointer type parameter.
244 * layout.cc (Layout::finalize): Pass input objects to target's.
245 finalize_sections function.
246 * output.cc (Output_file_header::do_sized_write): Set ELF file
247 header's processor-specific flags.
248 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
249 Input_objects pointer type parameter.
250 * sparc.cc (Target_sparc::do_finalize_sections): Same.
251 * target.h (Input_objects): New forward class declaration.
252 (Target::processor_specific_flags,
253 Target::are_processor_specific_flags_sect): New method definitions.
254 (Target::finalize_sections): Add input_objects parameter.
255 (Target::Target): Initialize processor_specific_flags_ and
256 are_processor_specific_flags_set_.
257 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
258 parameter.
259 (Target::set_processor_specific_flags): New method definition.
260 (Target::processor_specific_flags_,
261 Target::are_processor_specific_flags_set_): New data member
262 declarations.
263 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
264 Input_objects pointer type parameter.
265
ebabffbd
DK		 2662009-10-30 Doug Kwan <dougkwan@google.com>
267
268 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
269
ad0f2072
ILT		 2702009-10-28 Ian Lance Taylor <iant@google.com>
271
272 * object.h (class Relobj): Drop options parameter from
273 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
274 do_scan_relocs, do_relocate. Change all callers.
275 (class Sized_relobj): Drop options parameters from
276 do_gc_process_relocs, do_scan_relocs, do_relocate,
277 do_relocate_sections, relocate_sections, emit_relocs_scan,
278 emit_relocs_scan_reltype. Change all callers.
279 (struct Relocate_info): Remove options field and all references to
280 it.
281 * reloc.h (class Read_relocs): Remove options constructor
282 parameter and options_ field. Change all callers.
283 (class Gc_process_relocs, class Scan_relocs): Likewise.
284 (class Relocate_task): Likewise.
285 * target-reloc.h (scan_relocs): Remove options parameter. Change
286 all callers.
287 (scan_relocatable_relocs): Likewise.
288 * target.h (class Sized_target): Remove options parameter from
289 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
290 all callers.
291 * gc.h (gc_process_relocs): Remove options parameter. Change all
292 callers.
293 * arm.cc: Update functions to remove options parameters.
294 * i386.cc: Likewise.
295 * powerpc.cc: Likewise.
296 * sparc.cc: Likewise.
297 * x86_64.cc: Likewise.
298 * testsuite/testfile.cc: Likewise.
299
8ffa3667
DK		 3002009-10-28 Doug Kwan <dougkwan@google.com>
301
302 * arm.cc (Arm_relobj): New class definition.
303 (Arm_relobj::scan_sections_for_stubs,
304 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
305 New method definitions.
306
40f36857
CC		 3072009-10-28 Cary Coutant <ccoutant@google.com>
308
309 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
310 (Plugin::cleanup_done_): New member.
311 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
312 (Plugin_manager::cleanup_done_): Remove.
313 (Plugin_manager::add_input_file): Edit error message.
314 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
315 (Plugin_manager::cleanup): Remove use of cleanup_done_.
316
2c849493
ILT		 3172009-10-27 Mikolaj Zalewski <mikolajz@google.com>
318
319 * fileread.cc: (File_read::View::~View): Use the new
320 data_ownership_ filed.
321 (File_read::~File_read): Dispose the new whole_file_view_.
322 (File_read::open): Mmap the whole file if needed.
323 (File_read::open): Use whole_file_view_ instead of contents_.
324 (File_read::find_view): Use whole_file_view_ if applicable.
325 (File_read::do_read): Use whole_file_view_ instead of contents_.
326 (File_read::make_view): Use whole_file_view_ instead of contents_,
327 update File_read::View::View call.
328 (File_read::find_or_make_view): Update File_read::View::View
329 call.
330 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
331 remove contents_
332 (File_read::View::Data_ownership): New enum.
333 (File_read::View::View): Replace bool mapped_ with Data_ownership
334 argument.
335 (File_read::View::mapped_): Remove (replaced by data_ownership_).
336 (File_read::View::data_ownership_): New field.
337 (File_read::contents_): Remove (replaced by whole_file_view_).
338 (File_read::whole_file_view_): New field.
339 * options.h (class General_options): Add --keep-files-mapped.
340
24998053
CC		 3412009-10-27 Cary Coutant <ccoutant@google.com>
342
343 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
344 * testsuite/Makefile.am (plugin_test_5): New test case.
345 * testsuite/Makefile.in: Regenerate.
346
72adc4fa
DK		 3472009-10-25 Doug Kwan <dougkwan@google.com>
348
349 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
350 from private to protected to allow access by child class.
351 (Sized_relobj::do_relocate_sections): New method declaration.
352 (Sized_relobj::relocate_sections): Virtualize.
353 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
354 Sized_relobj::relocate_sections. Instantiate template explicitly
355 for different target sizes and endianity.
356
07f508a2
DK		 3572009-10-24 Doug Kwan <dougkwan@google.com>
358
359 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
360 (Arm_input_section::as_arm_input_section): New method.
361 (Arm_output_section): New class definition.
362 (Arm_output_section::create_stub_group,
363 Arm_output_section::group_sections): New method definitions.
364
10ad9fe5
DK		 3652009-10-22 Doug Kwan <dougkwan@google.com>
366
367 * arm.cc (Arm_input_section): New class definition.
368 (Arm_input_section::init, Arm_input_section:do_write,
369 Arm_input_section::set_final_data_size,
370 Arm_input_section::do_reset_address_and_file_offset): New method
371 definitions.
372
56ee5e00
DK		 3732009-10-21 Doug Kwan <dougkwan@google.com>
374
375 * arm.cc (Stub_table, Arm_input_section): New forward class
376 declarations.
377 (Stub_table): New class defintion.
378 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
379 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
380 New method definition.
381
b569affa
DK		 3822009-10-21 Doug Kwan <dougkwan@google.com>
383
384 * arm.cc: Update copyright comments.
385 (Target_arm): New forward class template declaration.
386 (Arm_address): New type.
387 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
388 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
389 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
390 constants.
391 (Insn_template): Same.
392 (DEF_STUBS): New macro.
393 (Stub_type): New enum type.
394 (Stub_template): New class definition.
395 (Stub): Same.
396 (Reloc_stub): Same.
397 (Stub_factory): Same.
398 (Target_arm::Target_arm): Initialize may_use_blx_ and
399 should_force_pic_veneer_.
400 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
401 Target_arm::should_force_pic_veneer,
402 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
403 Target_arm::using_thumb_only, Target_arm:;default_target): New
404 method defintions.
405 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
406 New data member declarations.
407 (Insn_template::size, Insn_template::alignment): New method defintions.
408 (Stub_template::Stub_template): New method definition.
409 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
410 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
411 (Stub_factory::Stub_factory): New method definition.
412 * gold.h (string_hash): New template.
413 * output.h (Input_section_specifier::hash_value): Use
414 gold::string_hash.
415 (Input_section_specifier::string_hash): Remove.
416 * stringpool.cc (Stringpool_template::string_hash): Use
417 gold::string_hash.
418
6c172549
DK		 4192009-10-20 Doug Kwan <dougkwan@google.com>
420
421 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
422 symbols of relaxed input sections.
423 * output.h (Output_section::find_relaxed_input_section): Make
424 method public.
425
c5617f2f
DK		 4262009-10-16 Doug Kwan <dougkwan@google.com>
427
428 * dynobj.cc (Versions::Versions): Initialize version_script_.
429 Only insert base version symbol definition for a shared object
430 if version script defines any version versions.
431 (Versions::define_base_version): New method definition.
432 (Versions::add_def): Check that base version is not needed.
433 (Versions::add_need): Define base version lazily.
434 * dynobj.h (Versions::define_base_version): New method declaration.
435 (Versions::needs_base_version_): New data member declaration.
436 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
437 (check_DATA): Add no_version_test.stdout.
438 (libno_version_test.so, no_version_test.o no_version_test.stdout):
439 New make rules.
440 * testsuite/Makefile.in: Regenerate.
441 * testsuite/no_version_test.c: New file.
442 * testsuite/no_version_test.sh: Ditto.
443
3c12dcdb
DK		 4442009-10-16 Doug Kwan <dougkwan@google.com>
445
446 * expression.cc (class Segment_start_expression): New class definition.
447 (Segment_start_expression::value): New method definition.
448 (script_exp_function_segment_start): Return a new
449 Segment_start_expression.
450 * gold/script-c.h (script_saw_segment_start_expression): New function
451 prototype.
452 * script-sections.cc (Script_sections::Script_sections): Initialize
453 SAW_SEGMENT_START_EXPRESSION_ to false.
454 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
455 and -Tbbs options to specify section addresses if given in
456 command line and no SEGMENT_START expression is seen in a script.
457 * script-sections.h (Script_sections::saw_segment_start_expression,
458 Script_sections::set_saw_segment_start_expression): New method
459 definition.
460 (Script_sections::saw_segment_start_expression_): New data member
461 declaration.
462 * script.cc (script_saw_segment_start_expression): New function.
463 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
464 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
465 script_test_7.sh and script_test_8.sh.
466 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
467 script_test_8.stdout.
468 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
469 (script_test_6, script_test_6.stdout, script_test_7,
470 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
471 * Makefile.in: Regenerate.
472 * testsuite/script_test_6.sh: New file.
473 * testsuite/script_test_6.t: Same.
474 * testsuite/script_test_7.sh: Same.
475 * testsuite/script_test_7.t: Same.
476 * testsuite/script_test_8.sh: Same.
477
64b1ae37
DK		 4782009-10-16 Doug Kwan <dougkwan@google.com>
479
480 * output.cc (Output_segment::set_section_list_address): Cast
481 expressions to unsigned long long type to avoid format warnings.
482
661be1e2
ILT		 4832009-10-15 Ian Lance Taylor <iant@google.com>
484
12edd763 485 * script.cc (Script_options::add_symbol_assignment): Always add a
b3d6a3d4 486 dot assignment to script_sections_.
12edd763
ILT		 487 * script-sections.cc (Script_sections::add_dot_assignment):
488 Initialize if necessary.
489
68b6574b
ILT		 490 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
491 program headers with no load segment if there is a linker script.
492
661be1e2
ILT		 493 * layout.cc (Layout::set_segment_offsets): Align the file offset
494 to the segment aligment for -N or -n with no load segment.
495 * output.cc (Output_segment::add_output_section): Don't crash if
496 the first section is a TLS section.
497 (Output_segment::set_section_list_addresses): Print an error
498 message if the address moves backward in a linker script.
499 * script-sections.cc
500 (Output_section_element_input::set_section_addresses): Don't
501 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
502 (Orphan_output_section::set_section_addresses): Likewise.
503
f15f61a7
DK		 5042009-10-15 Doug Kwan <dougkwan@google.com>
505
506 * layout.cc (Layout::finish_dynamic_section): Generate tags
507 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
508 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
509 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
510
82bb573a
ILT		 5112009-10-14 Ian Lance Taylor <iant@google.com>
512
513 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
514 fields.
515 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
516 data_shdr fields of relinfo.
517 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
518 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
519 R_386_TLS_LDO_32, adjust based on section flags.
520 (Target_i386::Relocate::fix_up_ldo): Remove.
521
374ad285
ILT		 5222009-10-13 Ian Lance Taylor <iant@google.com>
523
524 Add support for -pie.
525 * options.h (class General_options): Add -pie and
526 --pic-executable.
527 (General_options::output_is_position_independent): Test -pie.
528 (General_options::output_is_executable): Return true if not shared
529 and not relocatable.
530 (General_options::output_is_pie): Remove.
531 * options.cc (General_options::finalize): Reject incompatible uses
532 of -pie.
533 * gold.cc (queue_middle_tasks): A -pie link is not static.
534 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
535 * symtab.cc (Symbol::final_value_is_known): Return false if
536 output_is_position_independent.
537 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
538 output_is_position_independent.
539 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
540 output_is_position_independent.
541 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
542 output_is_position_independent.
543 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
544 two_file_pie_test.
545 (basic_pie_test.o, basic_pie_test): New targets.
546 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
547 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
548 (two_file_pie_test): New target.
549 * testsuite/Makefile.in: Rebuild.
550 * README: Remove note saying that -pie is not supported.
551
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ILT		 5522009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
553
554 * options.h (class General_options): Add -init and -fini.
555 * layout.cc (Layout::finish_dynamic_section): Emit
556 given init and fini functions.
557
032ce4e9
ST		 5582009-10-13 Sriraman Tallam <tmsriram@google.com>
559
560 * gc.h (gc_process_relocs): Check if icf is enabled using new
561 function.
562 * gold.cc (queue_initial_tasks): Likewise.
563 (queue_middle_tasks): Likewise.
564 * object.cc (do_layout): Likewise.
565 * symtab.cc (is_section_folded): Likewise.
566 * main.cc (main): Likewise.
567 * reloc.cc (Read_relocs::run): Likewise.
568 (Sized_relobj::do_scan_relocs): Likewise.
569 * icf.cc (is_function_ctor_or_dtor): New function.
570 (Icf::find_identical_sections): Check if function is ctor or dtor when
571 safe icf is chosen.
572 * options.h (General_options::icf): Change option to be an enum.
573 (Icf_status): New enum.
574 (icf_enabled): New method.
575 (icf_safe_folding): New method.
576 (set_icf_status): New method.
577 (icf_status_): New variable.
578 * (options.cc) (General_options::finalize): Set icf_status_.
579 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
580 icf_test and icf_keep_unique_test to use the --icf enum flag.
581 * testsuite/icf_safe_test.sh: New file.
582 * testsuite/icf_safe_test.cc: New file.
583
f345227a
ST		 5842009-10-12 Sriraman Tallam <tmsriram@google.com>
585
586 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
587 includes to gc.h and icf.h.
588 * arm.cc: Include gc.h.
589 * gold.cc: Likewise.
590 * i386.cc: Likewise.
591 * powerpc.cc: Likewise.
592 * sparc.cc: Likewise.
593 * x86_64.cc: Likewise.
594 * gc.h: Include icf.h.
595
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ILT		 5962009-10-11 Ian Lance Taylor <iant@google.com>
597
598 * plugin.cc: Include "gold.h" before other header files.
599
ae3b5189
CD		 6002009-10-10 Chris Demetriou <cgd@google.com>
601
602 * options.h (Input_file_argument::Input_file_type): New enum.
603 (Input_file_argument::is_lib_): Replace with...
604 (Input_file_argument::type_): New member.
605 (Input_file_argument::Input_file_argument): Take Input_file_type
606 'type' rather than boolean 'is_lib' as second argument.
607 (Input_file_argument::is_lib): Use type_.
608 (Input_file_argument::is_searched_file): New function.
609 (Input_file_argument::may_need_search): Handle is_searched_file.
610 * options.cc (General_options::parse_library): Support -l:filename.
611 (General_options::parse_just_symbols): Update for Input_file_argument
612 changes.
613 (Command_line::process): Likewise.
614 * archive.cc (Archive::get_file_and_offset): Likewise.
615 * plugin.cc (Plugin_manager::release_input_file): Likewise.
616 * script.cc (read_script_file, script_add_file): Likewise.
617 * fileread.cc (Input_file::Input_file): Likewise.
618 (Input_file::will_search_for): Handle is_searched_file.
619 (Input_file::open): Likewise.
620 * readsyms.cc (Read_symbols::get_name): Likewise.
621 * testsuite/Makefile.am (searched_file_test): New test.
622 * testsuite/Makefile.in: Regenerate.
623 * testsuite/searched_file_test.cc: New file.
624 * testsuite/searched_file_test_lib.cc: New file.
625
f3048a1d
ILT		 6262009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
627 Ian Lance Taylor <iant@google.com>
628
629 * descriptor.cc: Include <cstdio> and "binary-io.h".
630 (Descriptors::open): Open the files in binary mode always.
631 * script.cc (Lex::get_token): Treat \r as whitespace.
632
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ILT		 6332009-10-09 Ian Lance Taylor <iant@google.com>
634
635 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
636
d9a893b8
ILT		 6372009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
638 Ian Lance Taylor <iant@google.com>
639
640 * configure.ac: Check for readv function also.
641 * fileread.cc (readv): Define if not HAVE_READV.
642 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
643 does not exist.
644 * config.in: Regenerate.
645 * configure: Regenerate.
646
c0a62865
DK		 6472009-10-09 Doug Kwan <dougkwan@google.com>
648
649 * layout.cc (Layout::make_output_section): Call target hook to make
650 ordinary output section.
651 (Layout::finalize): Adjust parameter list of call the
652 Target::may_relax().
653 * layout.h (class Layout::section_list): New method.
654 * merge.h (Output_merge_base::entsize): Change visibility to public.
655 (Output_merge_base::is_string, Output_merge_base::do_is_string):
656 New methods.
657 (Output_merge_string::do_is_string): New method.
658 * object.cc (Sized_relobj::do_setup): renamed from
659 Sized_relobj::set_up.
660 * object.h (Sized_relobj::adjust_shndx,
661 Sized_relobj::initializ_input_to_output_maps,
662 Sized_relobj::free_input_to_output_maps): Change visibilities to
663 protected.
664 (Sized_relobj::setup): Virtualize.
665 (Sized_relobj::do_setup): New method declaration.
666 (Sized_relobj::invalidate_section_offset,
667 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
668 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
669 * options.cc (parse_int): New function.
670 * options.h (parse_int): New declaration.
671 (DEFINE_int): New macro.
672 (stub_group_size): New option.
673 * output.cc (Output_section::Output_section): Initialize memebers
674 merge_section_map_, merge_section_by_properties_map_,
675 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
676 (Output_section::add_input_section): Handled deferred code-fill
677 generation and remove an old comment.
678 (Output_section::add_relaxed_input_section): New method definition.
679 (Output_section::add_merge_input_section): Use merge section by
680 properties map to speed to search. Update merge section maps
681 as appropriate.
682 (Output_section::build_relaxation_map): New method definition.
683 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
684 Same.
685 (Output_section::relax_input_section): Renamed to
686 Output_section::convert_input_sections_to_relaxed_sections and change
687 interface to take a vector of pointers to relaxed sections.
688 (Output_section::find_merge_section,
689 Output_section::find_relaxed_input_section): New method definitions.
690 (Output_section::is_input_address_mapped,
691 Output_section::output_offset, Output_section::output_address):
692 Use output section data maps to speed up searching.
693 (Output_section::find_starting_output_address): Add comments.
694 (Output_section::do_write,
695 Output_section::write_to_postprocessing_buffer): Do code-fill
696 generation as appropriate.
697 (Output_section::get_input_sections): Invalidate relaxed input section
698 map.
699 (Output_section::restore_states): Adjust type of checkpoint .
700 Invalidate relaxed input section map.
701 * output.h (Output_merge_base): New class declaration.
702 (Input_section_specifier): New class defintion.
703 (class Output_relaxed_input_section) Change base class to
704 Output_section_data_build.
705 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
706 base class initializer.
707 (Output_section::add_relaxed_input_section): New method declaration.
708 (Output_section::Input_section): Change visibility to protected.
709 (Output_section::Input_section::relobj,
710 Output_section::Input_section::shndx): Handle relaxed input sections.
711 Output_section::input_sections) Change visibility to protected. Also
712 define overload to return a non-const pointer.
713 (Output_section::Merge_section_properties): New class defintion.
714 (Output_section::Merge_section_by_properties_map,
715 Output_section::Output_section_data_by_input_section_map,
716 Output_section::Relaxation_map): New types.
717 (Output_section::relax_input_section): Rename method to
718 Output_section::convert_input_sections_to_relaxed_sections and change
719 interface to take a vector of relaxed section pointers.
720 (Output_section::find_merge_section,
721 Output_section::find_relaxed_input_section,
722 Output_section::build_relaxation_map,
723 Output_section::convert_input_sections_in_list_to_relaxed_sections):
724 New method declarations.
725 (Output_section::merge_section_map_
726 Output_section::merge_section_by_properties_map_,
727 Output_section::relaxed_input_section_map_,
728 Output_section::is_relaxed_input_section_map_valid_,
729 Output_section::generate_code_fills_at_write_): New data members.
730 * script-sections.cc
731 (Output_section_element_input::set_section_addresses): Call
732 current_data_size and addralign methods of relaxed input sections.
733 (Orphan_output_section::set_section_addresses): Call current_data_size
734 and addralign methods of relaxed input sections.
735 * symtab.cc (Symbol_table::compute_final_value): Extract template
736 from the body of Symbol_table::sized_finalize_symbol.
737 (Symbol_table::sized_finalized_symbol): Call
738 Symbol_table::compute_final_value.
739 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
740 (Symbol_table::compute_final_value): New templated method declaration.
741 * target.cc (Target::do_make_output_section): New method defintion.
742 * target.h (Target::make_output_section): New method declaration.
743 (Target::relax): Add more parameters for input objects, symbol table
744 and layout. Adjust call to do_relax.
745 (Target::do_make_output_section): New method declaration.
746 (Target::do_relax): Add parameters for input objects, symbol table
747 and layout.
748
d446d6c4
ILT		 7492009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
750
751 * pread.c: Include stdio.h.
752
bc06c745
ILT		 7532009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
754
755 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
756 defined.
757
75aea3d0
ILT		 7582009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
759
760 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
761 Change read_shndx type to unsigned int.
762 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
763 int.
764 (Sized_dwarf_line_info::read_line_mappings): Likewise.
765 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
766 Change read_shndx type to unsigned int.
767 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
768 int.
769 (Sized_dwarf_line_info::read_line_mappings): Likewise.
770 * layout.cc (Layout::create_symtab_sections): Cast the result of
771 local_symcount * symsize to off_t in the gold_assert.
772
be8fcb75
ILT		 7732009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
774
775 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
776 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
777 R_ARM_BASE_ABS.
778 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
779 (Arm_relocate_functions::thm_abs5): New function.
780 (Arm_relocate_functions::abs12): New function.
781 (Arm_relocate_functions::abs16): New function.
782 (Arm_relocate_functions::base_abs): New function.
783 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
784 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
785 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
786 R_ARM_BASE_ABS.
787 (Scan::global): Likewise.
788 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
789 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
790 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
791 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
792 R_ARM_BASE_ABS.
793
c2a122b6
ILT		 7942009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
795
796 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
797 (Arm_relocate_functions::movt_prel): New function.
798 (Arm_relocate_functions::thm_movw_prel_nc): New function.
799 (Arm_relocate_functions::thm_movt_prel): New function.
800 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
801 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
802 (Scan::global, Relocate::relocate): Likewise.
803 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
804
c4aa1e2d
ILT		 8052009-10-09 Mikolaj Zalewski <mikolajz@google.com>
806
807 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
808 Incremental_checker.
809 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
810 unsigned int.
811 (class Incremental_inputs_header): New class.
812 (Incremental_inputs_header_writer): Edit comment.
813 (Incremental_inputs_entry): New class.
814 (Incremental_inputs_entry_writer): Edit comment.
815 (Sized_incremental_binary::do_find_incremental_inputs_section):
816 Add *strtab_shndx parameter, fill it.
817 (Sized_incremental_binary::do_check_inputs): New method.
818 (Incremental_checker::can_incrementally_link_output_file): Use
819 Sized_incremental_binary::check_inputs.
820 (Incremental_inputs::report_command_line): Save command line in
821 command_line_.
822 * incremental.h:
823 (Incremental_binary::find_incremental_inputs_section): New
824 method.
825 (Incremental_binary::do_find_incremental_inputs_section): Add
826 strtab_shndx parameter.
827 (Incremental_binary::do_check_inputs): New pure virtual method.
828 (Sized_incremental_binary::do_check_inputs): Declare.
829 (Incremental_checker::Incremental_checker): Add incremental_inputs
830 parameter, use it to initialize incremental_inputs_.
831 (Incremental_checker::incremental_inputs_): New field.
832 (Incremental_checker::command_line): New method.
833 (Incremental_checker::inputs): New method.
834 (Incremental_checker::command_line_): New field.
835
c549a694
ILT		 8362009-10-09 Mikolaj Zalewski <mikolajz@google.com>
837
838 * incremental.cc: Include <cstdarg> and "target-select.h".
839 (vexplain_no_incremental): New function.
840 (explain_no_incremental): New function.
841 (Incremental_binary::error): New method.
842 (Sized_incremental_binary::do_find_incremental_inputs_section): New
843 method.
844 (make_sized_incremental_binary): New function.
845 (open_incremental_binary): New function.
846 (can_incrementally_link_file): Add checks if output is ELF and has
847 inputs section.
848 * incremental.h: Include "elfcpp_file.h" and "output.h".
849 (Incremental_binary): New class.
850 (Sized_incremental_binary): New class.
851 (open_incremental_binary): Declare.
852 * object.cc (is_elf_object): Use
853 elfcpp::Elf_recognizer::is_elf_file.
854 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
855 * output.h (Output_file::filesize): New method.
856
fd3c5f0b
ILT		 8572009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
858
859 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
860 New function.
861 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
862 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
863 function.
864 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
865 function.
866 (Arm_relocate_functions::movw_abs_nc): New function.
867 (Arm_relocate_functions::movt_abs): New function.
868 (Arm_relocate_functions::thm_movw_abs_nc): New function.
869 (Arm_relocate_functions::thm_movt_abs): New function.
870 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
871 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
872 (Scan::global): Likewise.
873 (Relocate::relocate): Likewise.
874 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
875
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ILT		 8762009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
877
878 * arm.cc (Arm_relocate_functions::got_prel) New function.
879 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
880 (Relocate::relocate): Likewise.
881 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
882
364c7fa5
ILT		 8832009-10-06 Ian Lance Taylor <iant@google.com>
884
885 * options.h (class General_options): Define
886 split_stack_adjust_size parameter.
887 * object.h (class Object): Add uses_split_stack_ and
888 has_no_split_stack_ fields. Add uses_split_stack and
889 has_no_split_stack accessor functions. Declare
890 handle_split_stack_section.
891 (class Reloc_symbol_changes): Define.
892 (class Sized_relobj): Define Function_offsets. Declare
893 split_stack_adjust, split_stack_adjust_reltype, and
894 find_functions.
895 * object.cc (Object::handle_split_stack_section): New function.
896 (Sized_relobj::do_layout): Call handle_split_stack_section.
897 * dynobj.cc (Sized_dynobj::do_layout): Call
898 handle_split_stack_section.
899 * reloc.cc (Sized_relobj::relocate_sections): Call
900 split_stack_adjust for executable sections in split_stack
901 objects. Pass reloc_map to relocate_section.
902 (Sized_relobj::split_stack_adjust): New function.
903 (Sized_relobj::split_stack_adjust_reltype): New function.
904 (Sized_relobj::find_functions): New function.
905 * target-reloc.h: Include "object.h".
906 (relocate_section): Add reloc_symbol_changes parameter. Change
907 all callers.
908 * target.h (class Target): Add calls_non_split method. Declare
909 do_calls_non_split virtual method. Declare match_view and
910 set_view_to_nop.
911 * target.cc: Include "elfcpp.h".
912 (Target::do_calls_non_split): New function.
913 (Target::match_view): New function.
914 (Target::set_view_to_nop): New function.
915 * gold.cc (queue_middle_tasks): Give an error if mixing
916 split-stack and non-split-stack objects with -r.
917 * i386.cc (Target_i386::relocate_section): Add
918 reloc_symbol_changes parameter.
919 (Target_i386::do_calls_non_split): New function.
920 * x86_64.cc (Target_x86_64::relocate_section): Add
921 reloc_symbol_changes parameter.
922 (Target_x86_64::do_calls_non_split): New function.
923 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
924 parameter.
925 * powerpc.cc (Target_powerpc::relocate_section): Add
926 reloc_symbol_changes parameter.
927 * sparc.cc (Target_sparc::relocate_section): Add
928 reloc_symbol_changes parameter.
929 * configure.ac: Call AM_CONDITIONAL for the default target.
930 * configure: Rebuild.
931 * testsuite/Makefile.am (TEST_AS): New variable.
932 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
933 (check_DATA): Add split_i386 and split_x86_64 files.
934 (SPLIT_DEFSYMS): Define.
935 (split_i386_[1234n].o): New targets.
936 (split_i386_[124]): New targets.
937 (split_i386_[1234r].stdout): New targets.
938 (split_x86_64_[1234n].o): New targets.
939 (split_x86_64_[124]): New targets.
940 (split_x86_64_[1234r].stdout): New targets.
941 (MOSTLYCLEANFILES): Add new executables.
942 * testsuite/split_i386.sh: New file.
943 * testsuite/split_x86_64.sh: New file.
944 * testsuite/split_i386_1.s: New file.
945 * testsuite/split_i386_2.s: New file.
946 * testsuite/split_i386_3.s: New file.
947 * testsuite/split_i386_4.s: New file.
948 * testsuite/split_i386_n.s: New file.
949 * testsuite/split_x86_64_1.s: New file.
950 * testsuite/split_x86_64_2.s: New file.
951 * testsuite/split_x86_64_3.s: New file.
952 * testsuite/split_x86_64_4.s: New file.
953 * testsuite/split_x86_64_n.s: New file.
954 * testsuite/testfile.cc (Target_test): Update relocation_section
955 function.
956 * testsuite/Makefile.in: Rebuild.
957
e8a9fcda
ILT		 9582009-10-06 Ian Lance Taylor <iant@google.com>
959
960 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
961 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
962 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
963 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
964 the address on ldo_addrs_.
965 (Target_i386::Relocate::fix_up_ldo): New function.
966
e99daf92
ILT		 9672009-10-06 Rafael Espindola <espindola@google.com>
968
969 * plugin.cc (add_input_library): New.
970 (Plugin::load): Add add_input_library to tv.
971 (Plugin_manager::add_input_file): Add the is_lib argument.
972 (add_input_file): Update call to Plugin_manager::add_input_file.
973 (add_input_library): New.
974 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
975
966d4097
DK		 9762009-09-30 Doug Kwan <dougkwan@google.com>
977
978 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
979 symbol and call Symbol::may_need_copy_reloc to determine if
980 a copy reloc is needed.
981 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
982 nocopyreloc is given in command line.
983 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
984 given in command line.
985 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
986 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
987 of the removed Target_i386::may_need_copy_reloc.
988 * options.h (copyreloc): New option with default value false.
989 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
990 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
991 instead of the removed Target_powerpc::may_need_copy_reloc.
992 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
993 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
994 instead of the removed Target_sparc::may_need_copy_reloc.
995 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
996 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
997 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
998 instead of the removed Target_x86_64::may_need_copy_reloc.
999
029ba973
ILT		 10002009-09-30 Ian Lance Taylor <iant@google.com>
1001
1002 * object.h (class Object): Remove target_ field, and target,
1003 sized_target, and set_target methods.
1004 (Object::sized_target): Remove.
1005 (class Sized_relobj): Update declarations. Remove sized_target.
1006 * object.cc (Sized_relobj::setup): Remove target parameter.
1007 Change all callers.
1008 (Input_objects::add_object): Don't do anything with the target.
1009 (make_elf_sized_object): Add punconfigured parameter. Change all
1010 callers. Set or test parameter target.
1011 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1012 Change all callers.
1013 * parameters.cc (Parameters::set_target): Change parameter type to
1014 be non-const.
1015 (Parameters::default_target): Remove.
1016 (set_parameters_target): Change parameter type to be non-const.
1017 (parameters_force_valid_target): New function.
1018 (parameters_clear_target): New function.
1019 * parameters.h (class Parameters): Update declarations. Remove
1020 default_target method. Add sized_target and clear_target
1021 methods. Change target_ to be non-const.
1022 (set_parameters_target): Update declaration.
1023 (parameters_force_valid_target): Declare.
1024 (parameters_clear_target): Declare.
1025 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1026 as NULL if we aren't searching.
1027 (Add_symbols::run): Don't check for compatible target.
1028 * fileread.cc (Input_file::open_binary): Call
1029 parameters_force_valid_target.
1030 * gold.cc (queue_middle_tasks): Likewise.
1031 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
1032 set_target on object.
1033 * dynobj.h (class Sized_dynobj): Update declarations.
1034 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1035 make_elf_object returns NULL.
1036 (Archive::include_member): Don't check whether object target is
1037 compatible.
1038 * output.cc (Output_section::add_input_section): Get target from
1039 parameters.
1040 (Output_section::relax_input_section): Likewise.
1041 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1042 parameters.
1043 (Sized_relobj::do_scan_relocs): Likewise.
1044 (Sized_relobj::relocate_sections): Likewise.
1045 * resolve.cc (Symbol_table::resolve): Likewise.
1046 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
1047 parameter. Change all callers.
1048 (Symbol_table::add_from_object): Get target from parameters.
1049 (Symbol_table::add_from_relobj): Don't check object target.
1050 (Symbol_table::add_from_dynobj): Likewise.
1051 (Symbol_table::define_special_symbol): Get target from
1052 parameters.
1053 * symtab.h (class Symbol_table): Update declaration.
1054 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1055 parameter. Change all callers. Clear parameter target.
1056 (Binary_test): Test target here.
1057 * testsuite/object_unittest.cc (gold_testsuite): Remove
1058 target_test_pointer parameter. Change all callers.
1059 (Object_test): Test target here.
1060
a6a22b83
ILT		 10612009-09-26 Ian Lance Taylor <iant@google.com>
1062
1063 * testsuite/initpri1.c: Don't try to use constructor priorities if
1064 compiling with gcc before 4.3.
1065
6a8f49fe
ILT		 10662009-09-22 Mikolaj Zalewski <mikolajz@google.com>
1067
1068 * testsuite/retain_symbols_file_test.sh (check_present): Change
1069 output file name to retain_symbols_file_test.stdout.
1070 (check_absent): Likewise.
1071
8c604651
CS		 10722009-09-18 Craig Silverstein <csilvers@google.com>
1073
1074 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1075 * options.cc: Include <cerrno> and <fstream>.
1076 (General_options::finalize): Parse -retain-symbols-file tag.
1077 * options.h: New flag.
1078 (General_options): New method should_retain_symbol, new
1079 variable symbols_to_retain.
1080 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1081 should_retain_symbol map.
1082 * testsuite/Makefile.am (retain_symbols_file_test): New test.
1083 * testsuite/Makefile.in: Regenerate.
1084 * testsuite/retain_symbols_file_test.sh: New file.
1085
ca58b19f
NC		 10862009-09-18 Nick Clifton <nickc@redhat.com>
1087
1088 * po/es.po: Updated Spanish translation.
1089
20e6d0d6
DK		 10902009-09-17 Doug Kwan <dougkwan@google.com>
1091
1092 * debug.h (DEBUG_RELAXATION): New constant.
1093 (DEBUG_ALL): Add DEBUG_RELAXATION.
1094 (debug_string_to_enum): Add relaxation debug option.
1095 * layout.cc
1096 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1097 Layout::Relaxation_debug_check::read_sections,
1098 Layout::Relaxation_debug_check::read_sections): New method definitions.
1099 (Layout::Layout): Initialize data members
1100 record_output_section_data_from_scrips_,
1101 script_output_section_data_list_ and relaxation_debug_check_.
1102 (Layout::save_segments, Layout::restore_segments,
1103 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1104 Layout::relaxation_loop_body): New method definitions.
1105 (Layout::finalize): Support relaxation. Move section layout code to
1106 Layout::relaxation_loop_body.
1107 (Layout::set_asection_address_from_script): Move code for orphan
1108 section placement out.
1109 (Layout::place_orphan_sections_in_script): New method definition.
1110 * layout.h (Output_segment_headers, Output_file_header):
1111 New forward class declarations.
1112 (Layout::~Layout): Define.
1113 (Layout::new_output_section_data_from_script): New method definition.
1114 (Layout::place_orphan_sections_in_script): New method declaration.
1115 (Layout::Segment_states): New type declaration.
1116 (Layout::save_segments, Layout::restore_segments,
1117 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1118 Layout::relaxation_loop_body): New method declarations.
1119 (Layout::Output_section_data_list): New type declaration.
1120 (Layout::Relaxation_debug_check): New class definition.
1121 (Layout::record_output_section_data_from_script_,
1122 Layout::script_output_section_data_list_, Layout::segment_states_,
1123 Layout::relaxation_debug_check_): New data members.
1124 * output.cc: (Output_section_headers::do_size): New method definition.
1125 (Output_section_headers::Output_section_headers): Move size
1126 computation to Output_section_headers::do_size.
1127 (Output_segment_headers::do_size): New method definition.
1128 (Output_file_header::Output_file_header): Move size computation to
1129 Output_file_header::do_size and call it.
1130 (Output_file_header::do_size): New method definition.
1131 (Output_data_group::Output_data_group): Adjust call to
1132 Output_section_data.
1133 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1134 (Output_symtab_xindex::do_write): Add array bound check.
1135 (Output_section::Input_section::print_to_mapfile): Handle
1136 RELAXED_INPUT_SECTION_CODE.
1137 (Output_section::Output_section): Initialize data member checkpoint_.
1138 (Output_section::~Output_section): Delete checkpoint object pointed
1139 by checkpoint_.
1140 (Output_section::add_input_section): Always add an Input_section if
1141 relaxing.
1142 (Output_section::add_merge_input_section): Add assert.
1143 (Output_section::relax_input_section): New method definition.
1144 (Output_section::set_final_data_size): Set load address to zero for
1145 an unallocated section.
1146 (Output_section::do_address_and_file_offset_have_reset_values):
1147 New method definition.
1148 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1149 Handle relaxed input section.
1150 (Output_section::sort_attached_input_sections): Checkpoint input
1151 section list lazily.
1152 (Output_section::get_input_sections): Change type of input_sections to
1153 list of Simple_input_section pointers. Checkpoint input section list
1154 lazily. Also handle relaxed input sections.
1155 (Output_section::add_input_section_for_script): Take a reference to
1156 a Simple_input_section object instead of Relobj pointer and section
1157 index as parameter. Handle relaxed input sections.
1158 (Output_section::save_states, Output_section::restore_states): New
1159 method definitions.
1160 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1161 (Output_data::is_data_size_fixed): New method definition.
1162 (Output_data::reset_addresss_and_file_offset): Do not reset data size
1163 if it is fixed.
1164 (Output_data::address_and_file_offset_have_reset_values): New method
1165 definition.
1166 (Output_data::do_address_and_file_offset_have_reset_values): New method
1167 definition.
1168 (Output_data::set_data_size): Check that data size is not fixed.
1169 (Output_data::fix_data_size): New method definition.
1170 (Output_data::is_data_size_fixed_): New data member.
1171 (Output_section_headers::set_final_data_size): New method definition.
1172 (Output_section_headers::do_size): New method declaration.
1173 (Output_segment_headers::set_final_data_size): New method definition.
1174 (Output_segment_headers::do_size): New method declaration.
1175 (Output_file_header::set_final_data_size)::New method definition.
1176 (Output_file_header::do_size)::New method declaration.
1177 (Output_section_data::Output_section_data): Add new parameter
1178 is_data_size_fixed and use it to fix data size.
1179 (Output_data_const::Output_data_const): Adjust call to base class
1180 constructor and fix data size.
1181 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1182 base class constructor and fix data size.
1183 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1184 base class constructor and fix data size.
1185 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1186 class constructor and fix data size.
1187 (Output_data_group::set_final_data_size): New method definition.
1188 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1189 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1190 class constructor and fix data size.
1191 (Output_relaxed_input_section): New class definition.
1192 (Output_section::Simple_input_section): New class definition.
1193 (Output_section::get_input_sections): Adjust parameter list.
1194 (Output_section::add_input_section_for_script): Same.
1195 (Output_section::save_states, Output_section::restore_states,
1196 Output_section::do_address_and_file_offset_have_reset_values,
1197 (Output_section::Input_section::Input_section): Handle
1198 RELAXED_INPUT_SECTION_CODE. Add new overload for
1199 Output_relaxed_input_section.
1200 (Output_section::Input_section::is_input_section,
1201 Output_section::Input_section::set_output_section): Handle relaxed
1202 input section.
1203 (Output_section::Input_section::is_relaxed_input_section,
1204 Output_section::Input_section::output_section_data,
1205 Output_section::Input_section::relaxed_input_section): New method
1206 definitions.
1207 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1208 value.
1209 (Output_section::Input_section::u1_): Update comments.
1210 (Output_section::Input_section::u2_): Add new union member poris.
1211 (Output_section::Checkpoint_output_section): New classs definition.
1212 (Output_section::relax_input_section): New method declaration.
1213 (Output_section::checkpoint_): New data member.
1214 (Output_segment): Update comments.
1215 (Output_segment::Output_segment): Un-privatize copy constructor.
1216 (Output_segment::operator=): Un-privatize.
1217 * script-sections.cc (Output_section_element::Input_section_list):
1218 Change element type to Output_section::Simple_input_section.
1219 (Output_section_element_dot_assignment::set_section_addresses):
1220 Register output section data for relaxation clean up.
1221 (Output_data_exression::Output_data_expression): Adjust call to base
1222 constructor to fix data size.
1223 (Output_section_element_data::set_section_addresses): Register
1224 Output_data_expression object for relaxation clean up.
1225 (struct Input_section_info): Replace Relobj pointer and section index
1226 pair with Output_section::Simple_input_section and Convert struct to a
1227 class.
1228 (Input_section_sorter::operator()): Adjust access to
1229 Input_section_info data member to use accessors.
1230 (Output_section_element_input::set_section_addresses): Use layout
1231 parameter. Adjust code to use Output_section::Simple_input_section
1232 and Input_secction_info classes. Register filler for relaxation
1233 clean up.
1234 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1235 and section index pair with Output_section::Simple_input_section
1236 class. Adjust code accordingly.
1237 (Phdrs_element::release_segment): New method definition.
1238 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1239 segment list.
1240 (Script_sections::release_segments): New method definition.
1241 * gold/script-sections.h (Script_sections::release_segments): New
1242 method declaration.
1243 * gold/target.h (Target::may_relax, Target::relax,
1244 Target::do_may_relax, Target::do_relax): New method definitions.
1245
5e445df6
ILT		 12462009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1247
1248 * arm.cc (has_signed_unsigned_overflow): New function.
1249 (Arm_relocate_functions::abs8): New function.
1250 (Target_arm::Scan::local): Handle R_ARM_ABS8.
1251 (Target_arm::Scan::global): Likewise.
1252 (Target_arm::relocate::relocate): Likewise.
1253 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1254 Likewise.
1255
8c604651 12562009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 1257
1258 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1259 * testsuite/Makefile.in: Regenerate.
1260
1e9cc1c2
NC		 12612009-09-11 Nick Clifton <nickc@redhat.com>
1262
1263 * po/gold.pot: Updated by the Translation project.
1264
6a89f575
CC		 12652009-09-08 Cary Coutant <ccoutant@google.com>
1266
1267 * output.cc (Output_file::open): Add execute permission to empty file.
1268 * testsuite/Makefile.am (permission_test): New test.
1269 * testsuite/Makefile.in: Regenerate.
1270
fdcac5af
ILT		 12712009-09-02 Ian Lance Taylor <iant@google.com>
1272
1273 * output.cc (Output_file::resize): Call map_no_anonymous rather
1274 than map.
1275
44453f85
ILT		 12762009-09-01 Mikolaj Zalewski <mikolajz@google.com>
1277
1278 * gold.cc: Include "incremental.h".
1279 (queue_initial_tasks): Call Incremental_checker methods.
1280 * incremental.cc: Include "output.h".
1281 (Incremental_checker::can_incrementally_link_output_file): New
1282 method.
1283 * incremental.h (Incremental_checker): New class.
1284
1285 * output.cc (Output_file::open_for_modification): New method.
1286 (Output_file::map_anonymous): Changed return type to bool. Record
1287 map in base_ field.
1288 (Output_file::map_no_anonymous): New method, broken out of map.
1289 (Output_file::map): Use map_no_anonymous and map_anonymous.
1290 * output.h (class Output_file): Update declarations.
1291
293c1386
CC		 12922009-08-24 Cary Coutant <ccoutant@google.com>
1293
1294 * options.h (Command_line::Pre_options): New class.
1295 (Command_line::pre_options): New member.
1296 * options.cc (gold::options::ready_to_register): New variable.
1297 (One_option::register_option): Do nothing if not registering options.
1298 Assert if same short option registered twice.
1299 (General_options::General_options): Turn off option registration when
1300 done constructing.
1301 (Command_line::Pre_options::Pre_options): New constructor.
1302
f773f3d2
CC		 13032009-08-24 Cary Coutant <ccoutant@google.com>
1304
06a73cfe
CC		 1305 * options.h (General_options::no_keep_memory): Remove incorrect
1306 short option.
f773f3d2 1307
a15af8e2
RW		 13082009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1309
1310 * Makefile.am (am__skiplex, am__skipyacc): New.
1311 * Makefile.in: Regenerate.
1312
c462b41b
RW		 13132009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1314
14ec8efd
RW		 1315 * Makefile.am (AM_CPPFLAGS): Renamed from ...
1316 (INCLUDES): ... this.
1317 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1318 (AM_CPPFLAGS): Renamed from ...
1319 (INCLUDE): ... this.
1320 * Makefile.in, testsuite/Makefile.in: Regenerate.
1321
81ecdfbb
RW		 1322 * Makefile.in: Regenerate.
1323 * aclocal.m4: Likewise.
1324 * config.in: Likewise.
1325 * configure: Likewise.
1326 * testsuite/Makefile.in: Likewise.
1327
c462b41b
RW		 1328 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1329 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1330 * Makefile.in: Regenerate.
1331 * testsuite/Makefile.in: Regenerate.
1332
2da73f13
CC		 13332009-08-19 Cary Coutant <ccoutant@google.com>
1334
1335 * resolve.cc (Symbol_table::resolve): Don't complain about defined
1336 symbols in shared libraries overridden by hidden or internal symbols
1337 in the main program.
1338
2db70501
CD		 13392009-08-19 Chris Demetriou <cgd@google.com>
1340
1341 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1342 checking source file names in error messages.
1343
f733487b
DK		 13442009-08-18 Doug Kwan <dougkwan@google.com>
1345
1346 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1347 an elcpp::Ehdr as parameter. Adjust call to set_target.
1348 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1349 an elfcpp::Ehdr as parameter.
1350 * object.cc (Object::set_target): Remove the version that looks up
1351 a target and sets it.
1352 (Sized_relobj::setup): Take a Target object instead of
1353 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1354 (make_elf_sized_object): Find target and ask target to
1355 make an ELF object.
1356 * object.h: (Object::set_target): Remove the version that looks up
1357 a target and sets it.
1358 (Sized_relobj::setup): Take a Target object instead of
1359 an elfcpp:Ehdr as parameter.
1360 * target.cc: Include dynobj.h.
1361 (Target::do_make_elf_object_implementation): New.
1362 (Target::do_make_elf_object): New.
1363 * target.h (Target::make_elf_object): New template declaration.
1364 (Target::do_make_elf_object): New method declarations.
1365 (Target::do_make_elf_object_implementation): New template declaration.
1366
cc70f101
ILT		 13672009-08-14 Ian Lance Taylor <iant@google.com>
1368
1369 * gold.h (FUNCTION_NAME): Define.
1370 (gold_unreachable): Use FUNCTION_NAME.
1371
ef5e0cb1
ST		 13722009-08-12 Sriraman Tallam <tmsriram@google.com>
1373
1374 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1375 symbol in the --keep-unique list is not found.
1376
48c187ce
ST		 13772009-08-12 Sriraman Tallam <tmsriram@google.com>
1378
1379 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1380 been maked as --keep-unique.
1381 (Icf::unfold_section): New function.
1382 * icf.h (Icf::unfold_section): New function.
1383 * options.h (General_options::keep_unique): New option.
1384 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1385 * testsuite/Makefile.in: Regenerate.
1386 * testsuite/icf_keep_unique_test.sh: New file.
1387 * testsuite/icf_keep_unique_test.cc: New file.
1388
645afe0c
CC		 13892009-08-12 Cary Coutant <ccoutant@google.com>
1390
1391 PR 10471
1392 * resolve.cc (Symbol_table::resolve): Check for references from
1393 dynamic objects to hidden and internal symbols.
1394 * testsuite/Makefile.am (hidden_test.sh): New test.
1395 * testsuite/Makefile.in: Regenerate.
1396 * testsuite/hidden_test.sh: New script.
1397 * testsuite/hidden_test_1.c: New test source.
1398 * testsuite/hidden_test_main.c: New test source.
1399
11af873f
DK		 14002009-08-11 Doug Kwan <dougkwan@google.com>
1401
1402 * arm.cc: Update comments.
1403 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1404 segment to locate the .ARM.exidx section if present.
1405
b9f7d72d
DK		 14062009-08-09 Doug Kwan <dougkwan@google.com>
1407
1408 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1409 patch.
1410
ddd3c53c
ST		 14112009-08-07 Sriraman Tallam <tmsriram@google.com>
1412 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1413 compiler warnings.
1414
27721062
ST		 14152009-08-06 Sriraman Tallam <tmsriram@google.com>
1416
1417 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1418 valid tls_segment only for non-debug-section relocations.
1419 * testsuite/Makefile.am: Add gc_tls_test.
1420 * testsuite/Makefile.in: Regenerate.
1421 * testsuite/gc_tls_test.cc: New file.
1422 * testsuite/gc_tls_test.sh: New file.
1423
ef15dade
ST		 14242009-08-05 Sriraman Tallam <tmsriram@google.com>
1425
1426 * icf.cc: New file.
1427 * icf.h: New file.
1428 * Makefile.am (CCFILES): Add icf.cc.
1429 (HFILES): Add icf.h
1430 * Makefile.in: Regenerate.
1431 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1432 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1433 section, symbol and addend information for the relocs.
1434 * gold.cc (queue_middle_tasks): Call identical code folding.
1435 * gold.h: Add defines for multimap.
1436 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1437 to the call of finalize_local_symbols.
1438 * main.cc (main): Create object of class Icf.
1439 * object.cc (Sized_relobj::do_layout): Allow this function to be
1440 called twice during icf.
1441 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1442 to sections marked as identical by icf.
1443 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1444 when available.
1445 (Sized_relobj::do_section_entsize): New function.
1446 * object.h (Object::section_entsize): New function.
1447 (Object::do_section_entsize): New pure virtual function.
1448 (Relobj::finalize_local_symbols): Add new parameter.
1449 (Relobj::do_section_entsize): New function.
1450 * options.h (General_options::icf): New option.
1451 (General_options::icf_iterations): New option.
1452 (General_options::print_icf_sections): New option.
1453 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1454 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1455 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1456 icf.
1457 * symtab.cc (Symbol_table::is_section_folded): New function.
1458 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1459 to sections marked as identical by icf.
1460 * symtab.h (Symbol_table::set_icf): New function.
1461 (Symbol_table::icf): New function.
1462 (Symbol_table::is_section_folded): New function.
1463 (Symbol_table::icf_): New data member.
1464 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1465 * testsuite/Makefile.am: Add commands to build icf_test.
1466 * testsuite/Makefile.in: Regenerate.
1467 * testsuite/icf_test.sh: New file.
1468 * testsuite/icf_test.cc: New file.
1469
c3b65ac4
CD		 14702009-07-24 Chris Demetriou <cgd@google.com>
1471
1472 * layout.cc (is_compressible_debug_section): Fix incorrect
1473 comment about compressed section names.
1474
1caf2c51
ILT		 14752009-07-20 Ian Lance Taylor <ian@airs.com>
1476
1477 PR 10419
1478 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1479
1ef4d87f
ILT		 14802009-07-16 Ian Lance Taylor <iant@google.com>
1481
1482 PR 10400
1483 * layout.h: #include <map>.
1484 (class Kept_section): Change from struct to class. Add accessors
1485 and setters. Add section size to Comdat_group mapping. Change
1486 Comdat_group to std::map. Add is_comdat_ field. Add
1487 linkonce_size field in union.
1488 (class Layout): Update declaration of find_or_add_kept_section.
1489 Don't declare find_kept_object.
1490 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1491 parameter. Add object, shndx, is_comdat, and is_group_name
1492 parameters. Change all callers. Adjust for new Kept_section.
1493 (Layout::find_kept_object): Remove.
1494 * object.cc (Sized_relobj::include_section_group): Update use of
1495 Kept_section. Rename secnum to shndx. Only record
1496 Kept_comdat_section if sections are the same size.
1497 (Sized_relobj::include_linkonce_section): Update use of
1498 Kept_section. Only record Kept_comdat_section if sections are the
1499 same size. Set size of linkonce section.
1500 (Sized_relobj::map_to_kept_section): Update call to
1501 get_kept_comdat_section.
1502 * object.h (class Sized_relobj): Rename fields in
1503 Kept_comdat_section to drop trailing underscores; change object
1504 field to Relobj*. Change Kept_comdat_section_table to store
1505 struct rather than pointer.
1506 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1507 Add kept_object and kept_shndx parameters. Change all callers.
1508 (Sized_relobj::get_kept_comdat_section): Change return type to
1509 bool. Add kept_object and kept_shndx parameters. Change all
1510 callers.
1511 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1512 Layout::find_or_add_kept_section.
1513
37c3b7b0
ILT		 15142009-07-09 Ian Lance Taylor <iant@google.com>
1515
1516 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1517 Reserve space in the hash table.
1518
98fa85cb
ILT		 15192009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1520
1521 * fileread.cc (File_read::get_mtime): New method.
1522 * fileread.h (Timespec): New structure.
1523 (File_read::get_mtime): New method.
1524 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1525 Renamed from timestamp_nsec.
1526 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1527 Elf_Xword.
1528 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1529 timestamp_nsec.
1530 (Incremental_inputs::report_archive): Save mtime; style fix.
1531 (Incremental_inputs::report_obejct): Save mtime; style fix.
1532 (Incremental_inputs::report_script): Save mtime; style fix.
1533 (Incremental_inputs::finalize_inputs): Style fix.
1534 (Incremental_inputs::finalize): Style fix.
1535 (Incremental_inputs::create_input_section_data): Store inputs
1536 mtime.
1537 * incremental.h (Incremental_inputs::report_script): Add mtime
1538 argument.
1539 (Incremental_inputs::Input_info::Input_info): Intialize only one
1540 union member.
1541 (Incremental_inputs::Input_info::archive): Move to nameless
1542 union.
1543 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1544 (Incremental_inputs::Input_info::script): Move to nameless union.
1545 (Incremental_inputs::mtime): New field.
1546 * script.cc (read_input_script): Pass file mtime to
1547 Incremental_input.
1548 * script.h (Script_info::inputs): Style fix.
1549
c9d70757
ILT		 15502009-07-01 Ian Lance Taylor <ian@airs.com>
1551
1552 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1553 instead of 32.
1554
9c547ec3
ILT		 15552009-06-24 Ian Lance Taylor <iant@google.com>
1556
1557 PR 10156
1558 * layout.cc (Layout::choose_output_section): If we find an
1559 existing section, update the flags.
1560 (Layout::create_notes): New function, broken out of
1561 Layout::finalize.
1562 (Layout::finalize): Don't create note sections.
1563 (Layout::create_note): Don't crash if linker script discards
1564 section.
1565 (Layout::create_gold_note): Likewise.
1566 (Layout::create_build_id): Likewise. Don't set
1567 after_input_sections on the section.
1568 (Layout::create_executable_stack_info): Remove target parameter.
1569 Change caller.
1570 * layout.h (class Layout): Declare create_notes. Update
1571 declaration of create_executable_stack_info.
1572 * gold.cc (queue_middle_tasks): Call create_notes.
1573 * output.cc (Output_section::update_flags_for_input_section): Move
1574 here from output.h. If SHF_ALLOC flag is newly set, mark address
1575 invalid.
1576 * output.h (Output_data::mark_address_invalid): New function.
1577 (class Output_section): Only declare, not define,
1578 update_flags_for_input_section. Remove set_flags.
1579
55458500
ILT		 15802009-06-24 Ian Lance Taylor <iant@google.com>
1581
1582 * script-sections.cc (Output_section_definition::
1583 set_section_addresses): Rename shadowing local load_address to
1584 laddr.
1585
1307d6cd
ILT		 15862009-06-24 Ian Lance Taylor <iant@google.com>
1587
1588 PR 10244
1589 * reloc.cc (relocate_sections): Skip empty relocation sections.
1590
ec3f783e
ILT		 15912009-06-23 Ian Lance Taylor <iant@google.com>
1592
1593 PR 10156
1594 * layout.cc (Layout::create_note): Use choose_output_section
1595 rather than make_output_section.
1596
459c9f1c
ILT		 15972009-06-23 Ian Lance Taylor <iant@google.com>
1598
1599 PR 10237
1600 * options.cc (General_options::parse_V): Set printed_version_.
1601 (General_options::General_options): Initialize printed_version_.
1602 * options.h (class General_options): Add printed_version_ field.
1603 * gold.cc (queue_initial_tasks): If there are no input files,
1604 don't give a fatal error if we printed the version information.
1605 (queue_middle_tasks): If using -r with a shared object, give a
1606 fatal error rather than an ordinary error.
1607
1518dc8f
ILT		 16082009-06-23 Ian Lance Taylor <iant@google.com>
1609
1610 PR 10219
1611 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1612 (Layout::make_output_section): Set have_stabstr_section_ if we see
1613 a .stab*str section.
1614 (Layout::finalize): Call link_stabs_sections.
1615 (Layout::link_stabs_sections): New file.
1616 * layout.h (class Layout): Add have_stabstr_section_ field.
1617 Declare link_stabs_sections.
1618
3d857b98
DK		 16192009-06-23 Doug Kwan <dougkwan@google.com>
1620
1621 * Makefile.am (libgold_a_LIBADD): New.
1622 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1623 * Makefile.in: Regenerate.
1624 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1625 * configure: Regenerate.
1626 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1627 * fileread.cc: Include sys/state.h
1628 * gold.h: Declare memmem and strndup if found missing.
1629 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1630
0639a6f6
ILT		 16312009-06-23 Ian Lance Taylor <iant@google.com>
1632
1633 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1634 * configure: Rebuild.
1635
8d63875c
ILT		 16362009-06-23 Ian Lance Taylor <iant@google.com>
1637
1638 PR 10147
1639 * object.cc (Object::section_contents): Don't try to get a view if
1640 the section has length zero.
1641 (Object::handle_gnu_warning_section): If the section is empty, use
1642 the name of the section as the warning.
1643
f7c8a183
ILT		 16442009-06-23 Ian Lance Taylor <iant@google.com>
1645
1646 PR 10133
1647 * stringpool.h (class Stringpool_template): Add optimize_ field.
1648 (Stringpool_template::set_optimize): New function.
1649 * stringpool.cc (Stringpool_template::Stringpool_template):
1650 Initialize optimize_ field.
1651 (Stringpool_template::set_string_offsets): Test local optimize
1652 fild rather than parameter.
1653 * layout.cc (Layout::Layout): Call set_optimize on the section
1654 name stringpool.
1655
e6a307ba
ILT		 16562009-06-22 Ian Lance Taylor <iant@google.com>
1657
1658 PR 10030
1659 * yyscript.y: Parse TARGET.
1660 * script.cc (script_set_target): New function.
1661 * script-c.h (script_set_target): Declare.
1662 * options.cc (General_options::string_to_object_format): Rename
1663 from string_to_object_format in anonymous namespace. Change
1664 callers.
1665 * options.h (class General_options): Declare
1666 string_to_object_format.
1667
3ee173de
ILT		 16682009-06-22 Ian Lance Taylor <iant@google.com>
1669
1670 * script-sections.cc (Script_sections::create_segments): Don't put
1671 program headers in a PT_LOAD segment if -n or -N.
1672
16732009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 1674
1675 PR 10141
1676 * options.h (class General_options): Add -z lazy and -z now. Sort
1677 -z options into alphabetical order.
1678 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1679
cd6739a1 16802009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 1681
1682 * layout.cc (Layout::make_output_section): Call
1683 Target::new_output_section.
1684 (Layout::attach_allocated_section_to_segment): Put large section
1685 sections in a separate load segment with the large segment flag
1686 set.
1687 (Layout::segment_precedes): Sort large data segments after other
1688 load segments.
1689 (align_file_offset): New static function.
1690 (Layout::set_segment_offsets): Use align_file_offset.
1691 * output.h (class Output_section): Add is_small_section_ and
1692 is_large_section_ fields.
1693 (Output_section::is_small_section): New function.
1694 (Output_section::set_is_small_section): New function.
1695 (Output_section::is_large_section): New function.
1696 (Output_section::set_is_large_section): New function.
1697 (Output_section::is_large_data_section): New function.
1698 (class Output_segment): Add is_large_data_segment_ field.
1699 (Output_segment::is_large_data_segment): New function.
1700 (Output_segment::set_is_large_data_segment): New function.
1701 * output.cc (Output_section::Output_section): Initialize new
1702 fields.
1703 (Output_segment::Output_segment): Likewise.
1704 (Output_segment::add_output_section): Add assertion that large
1705 data sections always go in large data segments. Force small data
1706 sections to the end of the list of data sections. Force small BSS
1707 sections to the start of the list of BSS sections. For large BSS
1708 sections to the end of the list of BSS sections.
1709 * symtab.h (class Symbol): Declare is_common_shndx.
1710 (Symbol::is_defined): Check Symbol::is_common_shndx.
1711 (Symbol::is_common): Likewise.
1712 (class Symbol_table): Define enum Commons_section_type. Update
1713 declarations. Add small_commons_ and large_commons_ fields.
1714 * symtab.cc (Symbol::is_common_shndx): New function.
1715 (Symbol_table::Symbol_table): Initialize new fields.
1716 (Symbol_table::add_from_object): Put small and large common
1717 symbols in the right list.
1718 (Symbol_table::sized_finalized_symbol): Check
1719 Symbol::is_common_shndx.
1720 (Symbol_table::sized_write_globals): Likewise.
1721 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1722 common symbol lists. Don't call do_allocate_commons_list if the
1723 list is empty.
1724 (Symbol_table::do_allocate_commons_list): Remove is_tls
1725 parameter. Add comons_section_type parameter. Change all
1726 callers. Handle small and large common symbols.
1727 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1728 Symbol::is_common_shndx.
1729 * resolve.cc (symbol_to_bits): Likewise.
1730 * target.h (Target::small_common_shndx): New function.
1731 (Target::small_common_section_flags): New function.
1732 (Target::large_common_shndx): New function.
1733 (Target::large_common_section_flags): New function.
1734 (Target::new_output_section): New function.
1735 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1736 small_common_section_flags, and large_common_section_flags
1737 fields.
1738 (Target::do_new_output_section): New virtual function.
1739 * arm.cc (Target_arm::arm_info): Initialize new fields.
1740 * i386.cc (Target_i386::i386_info): Likewise.
1741 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1742 Likewise.
1743 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1744 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1745 (Target_x86_64::do_new_output_section): New function.
1746 * configure.ac: Define conditional MCMODEL_MEDIUM.
1747 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1748 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1749 (large_LDFLAGS): Define.
1750 * testsuite/large.c: New file.
1751 * testsuite/testfile.cc (Target_test::test_target_info):
1752 Initialize new fields.
1753 * configure, testsuite/Makefile.in: Rebuild.
1754
bb04269c
DK		 17552009-06-05 Doug Kwan <dougkwan@google.com>
1756
1757 * Makefile.am (CCFILES): Add target.cc.
1758 * Makefile.in: Regenerate.
1759 * i386.cc (class Target_i386): Define new virtual method to
1760 override do_is_local_label_name in parent.
1761 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1762 local symbols if --discard-locals or -X is given.
1763 * options.h (class General_options): Declare new options
1764 '--discard-locals' and '-X' for discarding locals.
1765 * target.h (class Target): Define new methods is_local_label_name.
1766 Declare new virtual method do_is_local_label_name.
1767 * target.cc: New file.
1768 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1769 (check_SCRIPTS): Add discard_locals_test.sh.
1770 (check_DATA): Add discard_local_tests.syms.
1771 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1772 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1773 * testsuite/Makefile.in: Regenerate.
1774 * testsuite/discard_locals_test.c: New file.
1775 * testsuite/discard_locals_test.sh: Same.
1776
805bb01c
DK		 17772009-06-05 Doug Kwan <dougkwan@google.com>
1778
1779 * object.cc (Sized_relobj::Sized_relobj): Initialize
1780 discarded_eh_frame_shndx_ to -1U.
1781 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1782 section.
1783 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1784 a discarded .eh_frame section.
1785 (Sized_relobj::do_finalize_local_symbols): Ditto.
1786 * object.h (class Sized_relobj): Declare new member
1787 discarded_eh_frame_shndx_.
1788 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1789 (local_labels_test.o, local_labels_test): New rules.
1790 * testsuite/Makefile.in: Regenerate.
1791
1dcd334d
DK		 17922009-06-04 Doug Kwan <dougkwan@google.com>
1793
1794 * layout.cc (Layout::section_name_mapping): Add mapping for
1795 special ARM sections.
1796
96d49306
DK		 17972009-06-03 Doug Kwan <dougkwan@google.com>
1798
1799 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1800 (utils::has_overflow): Same.
1801
dff16297
ILT		 18022009-06-03 Ian Lance Taylor <iant@google.com>
1803
1804 * layout.cc (Layout::section_name_mapping): New array, replacing
1805 Layout::linkonce_mapping.
1806 (Layout::section_name_mapping_count): New variable, replacing
1807 Layout::linkonce_mapping_count.
1808 (Layout::linkonce_output_name): Remove.
1809 (Layout::output_section_name): Rewrite.
1810 * layout.h (class Layout): Rename Linkonce_mapping to
1811 Section_name_mapping, linkonce_mapping to section_name_mapping,
1812 linkonce_mapping_count to section_name_mapping_count. Don't
1813 declare linkonce_output_name.
1814
c121c671
DK		 18152009-06-03 Doug Kwan <dougkwan@google.com>
1816
1817 * gold/arm.cc (namespace utils): New.
1818 (Target_arm::reloc_is_non_pic): Define new method.
1819 (class Arm_relocate_functions): New.
1820 (Target_arm::Relocate::relocate): Handle relocation types used by
1821 Android.
1822
07800fab
ILT		 18232009-06-03 Ian Lance Taylor <iant@google.com>
1824
1825 * arm.cc (Target_arm::scan::global): Use || instead of |.
1826
c121c671
DK		 18272009-06-02 Doug Kwan <dougkwan@google.com>
1828
1829 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1830 issued_non_pic_error_.
1831 (class Target_arm::Scan): Declare new method check_non_pic.
1832 Define new method symbol_needs_plt_entry.
1833 Declare new data member issued_non_pic_error_.
1834 (class Target_arm::Relocate): Declare new method
1835 should_apply_static_reloc.
1836 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1837 (Target_arm::Scan::check_non_pic): Define new method.
1838 (Target_arm::Scan::local): Handle a small subset of reloc types used
1839 by Android.
1840 (Target_arm::Scan::local): Same.
1841 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1842
b19b0c6d
ILT		 18432009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1844
1845 * incremental.cc (Incremental_inputs::report_command_line): Filter
1846 out --incremental-* options.
1847
94cdfcff
DK		 18482009-05-29 Doug Kwan <dougkwan@google.com>
1849
1850 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1851 template class.
1852 (class Target_arm): Update comment.
1853 (Target_arm::Target_arm): Initialize new data members GOT_,
1854 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1855 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1856 and Target_arm::rel_dyn_section.
1857 Declare new_enum Target_arm::Got_type.
1858 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1859 and DYNBSS_.
1860 Update commments for member do_dynsym_value.
1861 (Target_arm::got_size, Target_arm::plt_section,
1862 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1863 new methods inside class defintion.
1864 (Target_arm::got_section): Define new method.
1865 (Target_arm::rel_dyn_section): Same.
1866 (Output_data_plt_arm): New template class.
1867 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1868 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1869 (Output_data_plt_arm::add_entry): Same.
1870 (Output_data_plt_arm::first_plt_entry): Define new
1871 static data member for PLT instruction template.
1872 (Output_data_plt_arm::plt_entry): Same.
1873 (Output_data_plt_arm::do_write): Define new method.
1874 (Target_arm::make_plt_entry): Same.
1875 (Target_arm::do_finalize_sections): Same.
1876 (Target_arm::do_dynsym_value): Same.
1877
4a657b0d
DK		 18782009-05-28 Doug Kwan <dougkwan@google.com>
1879
1880 * Makefile.am (TARGETSOURCES): Add arm.cc.
1881 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1882 * Makefile.in: Regenerate.
1883 * arm.cc: New file.
1884 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1885
e7ae8c36
DK		 18862009-05-26 Doug Kwan <dougkwan@google.com>
1887
1888 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1889 (General_options::check_excluded_libs): Strip off directories in
1890 archive name before matching like GNU ld does.
1891 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1892 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1893 (exclude_libs_test_LDFLAGS): Add linker option
1894 -Wl,--exclude-libs,libexclude_libs_test_3
1895 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1896 an explicit archive without using -l.
1897 (alt/libexclude_libs_test_3.a): New make rule.
1898 * testsuite/Makefile.in: Regenerate.
1899 * testsuite/exclude_libs_test.c : Declare lib3_default().
1900 (main): Call it.
1901 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1902 * exclude_libs_test_3.c: New file.
1903
f12e7348
NC		 19042009-05-26 Nick Clifton <nickc@redhat.com>
1905
1906 * po/id.po: New Indonesian translation.
1907 * po/gold.pot: Updated template file.
1908
4daadc0d
ST		 19092009-05-22 Sriraman Tallam <tmsriram@google.com>
1910
1911 * testsuite/Makefile.am: Add -ffunction-sections to compile
1912 gc_comdat_test files. Add -Wl,--gc-sections to build
1913 gc_comdat_test.
1914 * testsuite/Makefile.in: Regenerate.
1915 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1916
531813ad
ST		 19172009-05-21 Sriraman Tallam <tmsriram@google.com>
1918
1919 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1920 kept comdat section was garbage collected.
1921 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1922 * testsuite/Makefile.in: Regenerate.
1923 * testsuite/gc_comdat_test.sh: New file.
1924 * testsuite/gc_comdat_test_1.cc: New file.
1925 * testsuite/gc_comdat_test_2.cc: New file.
1926
65514900
CC		 19272009-05-19 Doug Kwan <dougkwan@google.com>
1928
1929 * archive.cc (Archive::Archive): Move constructor from archive.h
1930 to here. Initialize no_export_.
1931 (Archive::get_elf_object_for_member): Set no_export flag of object.
1932 * archive.h (Archive::Archive): Move constructor body to
1933 archive.cc.
1934 (Archive::no_export): New method.
1935 (Archive::no_export_): New field.
1936 * object.h (Object::Object): Initialize no_export_ to false.
1937 (Object::no_export, Object::set_no_export): New methods.
1938 (Object::no_export_): New field.
1939 * options.cc (General_options::parse_exclude_libs): New method.
1940 (General_options::check_excluded_libs) Same.
1941 * options.h (exclude_libs): New option.
1942 (General_options::check_excluded_libs): New method declaration.
1943 (General_options::excluded_libs_): New field.
1944 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1945 default or protected visibility if an object has no-export flag set.
1946 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1947 (check_SCRIPTS): Add exclude_libs_test.sh.
1948 (check_DATA): Add exclude_libs_test.syms.
1949 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1950 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1951 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1952 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1953 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1954 libexclude_libs_test_2.a): New rules.
1955 * testsuite/Makefile.in: Regenerate.
1956 * testsuite/exclude_libs_test.c: New file.
1957 * testsuite/exclude_libs_test.sh: Ditto.
1958 * testsuite/exclude_libs_test_1.c: Ditto.
1959 * testsuite/exclude_libs_test_2.c: Ditto.
1960
1b77ea50
ILT		 19612009-05-15 Ian Lance Taylor <iant@google.com>
1962
1963 * configure.ac: Check for declarations for cases where libiberty.h
1964 checks HAVE_DECL_xxx.
1965 * configure, config.in: Rebuild.
1966
072fe7ce
ILT		 19672009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1968
1969 * gold.h (Incremental_argument_list): Remove (invalid) forward
1970 declaration.
1971 * incremental.cc (Incremental_inputs::report_achive): New method.
1972 (Incremental_inputs::report_object): New method.
1973 (Incremental_inputs::report_script): New method.
1974 (Incremental_inputs::finalize_inputs): New method.
1975 (Incremental_inputs::finalize): Call finalize_inputs().
1976 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1977 Create inputs entries.
1978 * incremental.h (Incremental_input_type): New enum.
1979 (Incremental_inputs::Incremental_input): Initialize new fields.
1980 (Incremental_inputs::report_inputs): New method.
1981 (Incremental_inputs::report_achive): New method.
1982 (Incremental_inputs::report_object): New method.
1983 (Incremental_inputs::report_script): New method.
1984 (Incremental_inputs::finalize_inputs): New method.
1985 (Incremental_inputs::Input_info): New struct.
1986 (Incremental_inputs::Input_info_map): New typedef.
1987 (Incremental_inputs::lock_): New field.
1988 (Incremental_inputs::Inputs_): New field.
1989 (Incremental_inputs::Inputs_map): New field.
1990 * main.cc (main): Call Incremental_input::report_inputs.
1991 * options.h (Input_argument_list): Typedef moved from
1992 Input_arguments.
1993 (Input_file_group::Files): Remove, use ::Input_argument_list.
1994 (Input_file_group::Input_argument_list): Remove, use
1995 ::Input_argument_list.
1996 * plugin.cc (Plugin_manager::add_input_file): Add error in
1997 incremental build.
1998 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1999 functions.
2000 * script.cc (read_input_script): Call
2001 Incremental_input::report_script.
2002 * script.h (Script_info): New class.
2003
b0481b0b
ILT		 20042009-04-27 Ian Lance Taylor <iant@google.com>
2005
2006 * x86_64.cc (do_adjust_output_section): Set entsize to
2007 plt_entry_size.
2008
b22a5a41 20092009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 2010
2011 * output.cc (Output_file::close): After short writes, continue
2012 writing from the correct offset in the buffer being written.
2013
40fde488
CD		 20142009-04-23 Chris Demetriou <cgd@google.com>
2015
2016 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2017 * configure: Regenerate.
2018 * config.in: Regenerate.
2019 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2020 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2021
3ce2c28e
ILT		 20222009-04-21 Mikolaj Zalewski <mikolajz@google.com>
2023
2024 * incremental.cc (Incremental_inputs_header_data): Renamed from
2025 Incremental_input_header_data.
2026 (Incremental_inputs_header_data::data_size): New field.
2027 (Incremental_inputs_header_data::put_input_file_count): Renamed
2028 from input_file_count.
2029 (Incremental_inputs_header_data::put_command_line_offset): Renamed
2030 from command_line_offset.
2031 (Incremental_inputs_header_data::put_reserved): Renamed from
2032 put_reserved.
2033 (Incremental_inputs_entry_data): Renamed from
2034 Incremental_input_entry_data.
2035 (Incremental_inputs_entry_data::data_size): New field.
2036 (Incremental_inputs::report_command_line): New method.
2037 (Incremental_inputs::finalize): New method.
2038 (Incremental_inputs::create_incremental_inputs_data): New method.
2039 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2040 * incremental.h: New file.
2041 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2042 (Layout::finalize): Create incremental inputs section in
2043 incremental builds.
2044 (Layout::create_incremental_info_sections): New method.
2045 * layout.h (Layout::incremental_inputs): New method.
2046 (Layout::create_incremental_info_sections): New method.
2047 (Layout::incremental_inputs_): New field.
2048 * main.cc (main): Notify Incremental_input of the command line.
2049
e55bde5e
ILT		 20502009-04-01 Ian Lance Taylor <iant@google.com>
2051 Mikolaj Zalewski <mikolajz@google.com>
2052
2053 * gold.h (reserve_unordered_map): Define, three versions, one for
2054 each version of Unordered_map.
2055 * layout.cc (Layout::Layout): Remove options parameter. Add
2056 number_of_input_files parameter. Don't initialize options_.
2057 Initialize number_of_input_files_ and resized_signatures_. Move
2058 sections_are_attached_.
2059 (Layout::layout_group): Reserve space for group_signatures_.
2060 (Layout::find_or_add_kept_section): Change name parameter to be a
2061 reference. Resize signatures_ map when it gets large enough.
2062 (Layout::layout_eh_frame): Use parameters->options() instead of
2063 this->options_.
2064 (Layout::make_output_section): Likewise.
2065 (Layout::attach_allocated_section_to_segment): Likewise.
2066 (Layout::finalize, Layout::create_executable_stack): Likewise.
2067 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2068 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2069 * layout.h (class Layout): Update declarations. Remove options_
2070 field. Add number_of_input_files_ and resized_signatures_
2071 fields. Move sections_are_attached_ field.
2072 * main.cc (main): Pass number of input files to Layout
2073 constructor. Don't pass options.
2074
154b857c
ILT		 20752009-03-30 Ian Lance Taylor <iant@google.com>
2076
2077 * ffsll.c (ffsll): Correct implementation.
2078
2f35ab9b
ILT		 20792009-03-27 Ian Lance Taylor <iant@google.com>
2080
fd03461a
ILT		 2081 * ffsll.c: New file.
2082 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2083 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2084 * ftruncate.c (ftruncate): Declare before definition.
2085 * mremap.c (mremap): Likewise.
2086 * pread.c (pread): Likewise.
2087 * configure, Makefile.in, config.in: Rebuild.
2088
2f35ab9b
ILT		 2089 * mremap.c: New file.
2090 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2091 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2092 (mremap): Declare if HAVE_MREMAP is not defined.
2093 * configure, Makefile.in, config.in: Rebuild.
2094
33aea2fd
CC		 20952009-03-27 Cary Coutant <ccoutant@google.com>
2096
2097 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2098 position independent.
2099 * sparc.cc (Target_sparc::check_non_pic): Likewise.
2100 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2101
6d479619
CC		 21022009-03-24 Cary Coutant <ccoutant@google.com>
2103
2104 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2105 an executable.
2106 (needs_dynamic_reloc): Likewise.
2107
afc06bb8
ILT		 21082009-03-24 Ian Lance Taylor <iant@google.com>
2109
2110 * yyscript.y (file_cmd): Recognize EXTERN.
2111 (extern_name_list, extern_name_list_body): New nonterminals.
2112 * script.cc (script_add_extern): Define.
2113 * script-c.h (script_add_extern): Declare.
2114
f6060a4d
ILT		 21152009-03-24 Rafael Avila de Espindola <espindola@google.com>
2116
2117 * object.cc (is_elf_object): Define.
2118 * object.h (is_elf_object): Declare.
2119 * archive.cc (Archive::get_elf_object_for_member): Call
2120 is_elf_object.
33aea2fd 2121 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 2122
26736d8e
ILT		 21232009-03-24 Elliott Hughes <enh@google.com>
2124
2125 * output.cc (Output_file::map_anonymous): Define.
2126 (Output_file::map): Use map_anonymous. If the regular mmap fails,
2127 try an anonymous one. Report the size if the mmap fails.
2128 * output.h (class Output_file): Declare map_anonymous.
2129
22fd9730
ILT		 21302009-03-24 Ian Lance Taylor <iant@google.com>
2131
2132 * target-select.cc (instantiate_target): Don't acquire the lock if
2133 the instantiated_target_ field has already been set.
2134
cb010894
ILT		 21352009-03-23 Ian Lance Taylor <iant@google.com>
2136
7f055c20
ILT		 2137 * gold-threads.h (class Initialize_lock): Define.
2138 * gold-threads.cc (class Initialize_lock_once): Define.
2139 (initialize_lock_control): New static variable.
2140 (initialize_lock_pointer): New static variable.
2141 (initialize_lock_once): New static function.
2142 (Initialize_lock::Initialize_lock): Define.
2143 (Initialize_lock::initialize): Define.
2144 * target-select.h: Include "gold-threads.h".
2145 (class Target_selector): Add lock_ and initialize_lock_ fields.
2146 Don't define instantiate_target, just declare it.
2147 * target-select.cc (Target_selector::Target_selector): Initialize
2148 new fields.
2149 (Target_selector::instantiate_target): Define.
2150 * descriptors.h: Include "gold-threads.h".
2151 (class Descriptors): Add initialize_lock_ field.
2152 * descriptors.cc (Descriptors::Descriptors): Initialize new
2153 field.
2154 (Descriptors::open): Use initialize_lock_ field
2155 * errors.h (class Errors): Add initialize_lock_ field.
2156 * errors.cc (Errors::Errors): Initialize new field.
2157 (Errors::initialize_lock): Use initialize_lock_ field.
2158 * powerpc.cc (class Target_selector_powerpc): Remove
2159 instantiated_target_ field. In do_recognize call
2160 instantiate_target rather than do_instantiate_target. In
2161 do_instantiate_target just allocate a new target.
2162 * sparc.cc (class Target_selector_sparc): Likewise.
2163
36959681
ILT		 2164 * freebsd.h: New file.
2165 * i386.cc: Include "freebsd.h".
2166 (Target_i386): Derive from Target_freebsd rather than
2167 Sized_target.
2168 (Target_selector_i386): Derive from Target_selector_freebsd rather
2169 than Target_selector.
2170 * x86_64.cc: Include "freebsd.h".
2171 (Target_x86_64): Derive from Target_freebsd rather than
2172 Sized_target.
2173 (Target_selector_x86_64): Derive from Target_selector_freebsd
2174 rather than Target_selector.
2175 * target.h (class Target): Add adjust_elf_header and
2176 do_adjust_elf_header.
2177 * output.cc (Output_file_header:: do_sized_write): Call target
2178 adjust_elf_header routine.
2179 * configure.tgt: Set targ_osabi.
2180 * configure.ac: Define GOLD_DEFAULT_OSABI.
2181 * parameters.cc (Parameters::default_target): Pass
2182 GOLD_DEFAULT_OSABI to select_target.
2183 * target-select.h (class Target_selector): Make instantiate_target
2184 protected rather than private.
2185 * Makefile.am (HFILES): Add freebsd.h.
2186 * configure, Makefile.in, config.in: Rebuild.
2187
cb010894
ILT		 2188 * merge.cc (do_add_input_section): Correct pend value. Change
2189 message about last entry not being null terminated from error to
2190 warning.
2191
0e879927
ILT		 21922009-03-20 Mikolaj Zalewski <mikolajz@google.com>
2193
2194 * incremental.cc: New file.
2195 * Makefile.am (CCFILES): Add incremental.cc.
2196 * Makefile.in: Rebuild.
2197
41105937
PP		 21982009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
2199
2200 * layout.cc (Layout::output_section_name): Preserve names
2201 of '.note.' sections.
2202
60439920
ILT		 22032009-03-19 Ian Lance Taylor <iant@google.com>
2204
2205 * descriptors.cc (Descriptors::open): Check that the options are
2206 valid before using them.
2207
0d371ad3
ILT		 22082009-03-18 Ian Lance Taylor <iant@google.com>
2209
2210 * script-sections.h: Include <list>.
2211 (class Script_sections): Change Sections_elements from std::vector
2212 to std::list. Typedef public Elements_iterator. Add
2213 orphan_section_placement_, data_segment_align_start_, and
2214 saw_data_segment_align_ fields. Remove data_segment_align_index_
2215 field.
2216 * script-sections.cc (class Orphan_section_placement): New class.
2217 (class Sections_element): Add virtual functions is_relro and
2218 orphan_section_init. Remove virtual function place_orphan_here.
2219 (class Output_section_definition): Add is_relro and
2220 orphan_section_init. Remove place_orphan_here.
2221 (class Orphan_output_section): Likewise.
2222 (Script_sections::Script_sections): Update for field changes.
2223 (Script_sections::data_segment_align): Set saw_data_segment_align_
2224 and data_segment_align_start_, not data_segment_align_index.
2225 (Script_sections::data_segment_relro_end): Check
2226 saw_data_segment_align_. Use data_segment_align_start_ rather
2227 than data_segment_align_index_.
2228 (Script_sections::place_orphan): Rewrite to use
2229 Orphan_section_placement.
2230
9201d894
ILT		 22312009-03-17 Ian Lance Taylor <iant@google.com>
2232
9c5b8369
ILT		 2233 * archive.cc (Archive::add_symbols): Check for a version attached
2234 to the symbol name in the archive map.
2235 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2236 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2237 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2238 (ver_test_11.a): New target.
2239 * testsuite/Makefile.in: Rebuild.
2240
9201d894
ILT		 2241 * configure.ac: Check for chsize and posix_fallocate. Replace
2242 ftruncate.
2243 * ftruncate.c: New file, from gnulib.
2244 * output.cc (posix_fallocate): Define dummy version if not
2245 HAVE_POSIX_FALLOCATE.
2246 (Output_file::map): Call posix_fallocate rather than lseek and
2247 write.
2248 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2249 * configure, Makefile.in, config.in: Rebuild.
2250
ef4ab7a8
PP		 22512009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
2252
2253 * layout.h (Layout::create_note): Add section_name parameter.
2254 * layout.cc (Layout::create_note): Likewise.
2255 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2256
8c500701
ILT		 22572009-03-17 Ian Lance Taylor <iant@google.com>
2258
e85b18e1
ILT		 2259 * descriptors.cc: Include "options.h".
2260 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2261 (Descriptors::open): Always use O_CLOEXEC when opening a new
2262 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
2263 then set FD_CLOEXEC.
2264
9efe6174
ILT		 2265 * sparc.cc (class Target_sparc): Add has_got_section.
2266 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2267 make sure we have a GOT section.
2268
2269 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2270 (Target_sparc::Scan::local): Likewise.
2271 (Target_sparc::Scan::global): Likewise.
2272 (Target_sparc::Relocate::relocate): Likewise.
2273 (Target_sparc::Relocate::relocate_tls): Likewise.
2274
8c500701
ILT		 2275 * symtab.cc (Symbol_table::define_default_version): New function,
2276 broken out of add_from_object.
2277 (Symbol_table::add_from_object): Call define_default_version.
2278 (Symbol_table::define_special_symbol): Add resolve_oldsym
2279 parameter. Change all callers. If the version for a symbol comes
2280 from a version script, resolve it with the symbol with the same
2281 name with no version. Also add the symbol without a version if
2282 appropriate.
2283 (do_define_in_output_data): If resolving with oldsym, don't delete
2284 sym.
2285 (do_define_in_output_segment): Likewise.
2286 (do_define_as_constant): Likewise.
2287 * symtab.h (class Symbol_table): Update declarations.
2288
f1ed28fb
ILT		 22892009-03-13 Ian Lance Taylor <iant@google.com>
2290
15f8229b
ILT		 2291 * readsyms.cc (Read_symbols::incompatible_warning): New function.
2292 (Read_symbols::requeue): New function.
2293 (Read_symbols::do_read_symbols): If make_elf_object fails because
2294 the target type is not configured, and the file was searched for,
2295 issue a warning and retry with the next directory.
2296 (Add_symbols::run): If the file has an incompatible format, and
2297 it was searched for, requeue the Read_symbols task. On error,
2298 release the object.
2299 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
2300 dirindex parameter to constructor. Change all callers. Declare
2301 incompatible_warning and requeue.
2302 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2303 input_argument_ and input_group_ fields. Add them to
2304 constructor. Change all callers.
2305 (class Read_script): Add dirindex_ field. Add it to constructor.
2306 Change all callers.
2307 * archive.cc (Archive::setup): Remove input_objects parameter.
2308 Change all callers.
2309 (Archive::get_file_and_offset): Likewise.
2310 (Archive::read_all_symbols): Likewise.
2311 (Archive::read_symbols): Likewise.
2312 (Archive::get_elf_object_for_member): Remove input_objects
2313 parameter. Add punconfigured parameter. Change all callers.
2314 (Archive::add_symbols): Change return type to bool. Check return
2315 value of include_member.
2316 (Archive::include_all_members): Likewise.
2317 (Archive::include_member): Change return type to bool. Return
2318 false if first included object has incompatible target. Set
2319 included_member_ field.
2320 (Add_archive_symbols::run): If add_symbols returns false, requeue
2321 Read_symbols task.
2322 * archive.h (class Archive): Add included_member_ field.
2323 Initialize it in constructor. Add input_file and searched_for
2324 methods. Update declarations.
2325 (class Add_archive_symbols): Add dirpath_, dirindex_, and
2326 input_argument_ fields. Add them to constructor. Change all
2327 callers.
2328 * script.cc: Include "target-select.h".
2329 (class Parser_closure): Add skip_on_incompatible_target_ and
2330 found_incompatible_target_ fields. Add
2331 skip_on_incompatible_target parameter to constructor. Change all
2332 callers. Add methods skip_on_incompatible_target,
2333 clear_skip_on_incompatible_target, found_incompatible_target, and
2334 set_found_incompatible_target.
2335 (read_input_script): Add dirindex parameter. Change all callers.
2336 If parser finds an incompatible target, requeue Read_symbols
2337 task.
2338 (script_set_symbol): Clear skip_on_incompatible_target in
2339 closure.
2340 (script_add_assertion, script_parse_option): Likewise.
2341 (script_start_sections, script_add_phdr): Likewise.
2342 (script_check_output_format): New function.
2343 * script.h (read_input_script): Update declaration.
2344 * script-c.h (script_check_output_format): Declare.
2345 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2346 (ignore_cmd): Remove OUTPUT_FORMAT.
2347 * fileread.cc (Input_file::Input_file): Add explicit this.
2348 (Input_file::will_search_for): New function.
2349 (Input_file::open): Add pindex parameter. Change all callers.
2350 * fileread.h (class Input_file): Add input_file_argument method.
2351 Declare will_search_for. Update declarations.
2352 * object.cc (make_elf_object): Add punconfigured parameter.
2353 Change all callers.
2354 * object.h (class Object): Make input_file public. Add
2355 searched_for method.
2356 (make_elf_object): Update declaration.
2357 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2358 restart search.
2359 * dirsearch.h (class Dirsearch): Update declaration.
2360 * options.h (class General_options): Add --warn-search-mismatch.
2361 * parameters.cc (Parameters::is_compatible_target): New function.
2362 * parameters.h (class Parameters): Declare is_compatible_target.
2363 * workqueue.cc (Workqueue::add_blocker): New function.
2364 * workqueue.h (class Workqueue): Declare add_blocker.
2365
f1ed28fb
ILT		 2366 * fileread.cc (Input_file::open): Remove options parameter.
2367 Change all callers.
2368 (Input_file::open_binary): Likewise.
2369 * script.cc (read_input_script): Likewise.
2370 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2371 options parameter from constructor. Change all callers.
2372 (class Read_script): Likewise.
2373 * fileread.h (class Input_file): Update declarations.
2374 * script.h (read_input_script): Update declaration.
2375
34dd024a
NC		 23762009-03-10 Nick Clifton <nickc@redhat.com>
2377
2378 * po/es.po: New Spanish translation.
2379
6d71b17c
CC		 23802009-03-06 Cary Coutant <ccoutant@google.com>
2381
2382 * options.cc (parse_short_option): Keep dash_z from registering itself.
2383
031cdbed
ILT		 23842009-03-03 Ian Lance Taylor <iant@google.com>
2385
2386 PR 9918
2387 * target-reloc.h (relocate_section): Pass output_section to
2388 relocate.
2389 * i386.cc (Target_i386::should_apply_static_reloc): Add
2390 output_section parameter. Change all callers.
2391 (Target_i386::Relocate::relocate): Add output_section parameter.
2392 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2393 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2394 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2395 * testsuite/two_file_shared.sh: New script.
2396 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2397 (check_DATA): Add two_file_shared.dbg.
2398 (two_file_shared.dbg): New target.
2399 * testsuite/Makefile.in: Rebuild.
2400
15d5fa16
ILT		 24012009-03-01 Ian Lance Taylor <iant@google.com>
2402
2403 * configure.ac: Check for byteswap.h.
2404 * configure: Rebuild.
2405 * config.in: Rebuild.
2406
8a4c0b0d
ILT		 24072009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2408
2409 * layout.cc (Layout::find_or_add_kept_section): New function.
2410 (Layout::add_comdat): Removed.
2411 * layout.h (struct Kept_section): Move out of class Layout.
2412 Remove trailing underscores from field names. Add group_sections
2413 field. Rename group_ field to is_group. Change all uses.
2414 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2415 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2416 comdat_groups_ field.
2417 (Sized_relobj::include_section_group): Use
2418 find_or_add_kept_section and Kept_section::group_sections.
2419 (Sized_relobj::include_linkonce_section): Likewise.
2420 * object.cc (class Sized_relobj): Don't define Comdat_group or
2421 Comdat_group_table. Remove find_comdat_group and
2422 add_comdat_group. Remove comdat_groups_ field.
2423 * plugin.cc (include_comdat_group): Use
2424 Layout::find_or_add_kept_section.
2425
b4ecf66b
ILT		 24262009-02-28 Ian Lance Taylor <iant@google.com>
2427
14359ca0
ILT		 2428 * README: --gc-sections and map files are now supported. Document
2429 some build requirements.
2430
b4ecf66b
ILT		 2431 PR 6992
2432 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2433 relocatable link set the value of the section symbol to zero.
2434 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2435 relocatable link don't include the section address in the local
2436 symbol value.
2437
0602e05a
ILT		 24382009-02-27 Ian Lance Taylor <iant@google.com>
2439
fd9d194f
ILT		 2440 PR 6811
2441 * options.h (class Search_directory): Add is_system_directory.
2442 (class General_options): Declare is_in_system_directory.
2443 * options.cc (get_relative_sysroot): Make static.
2444 (get_default_sysroot): Make static.
2445 (General_optoins::is_in_system_directory): New function.
2446 * fileread.cc (Input_file::is_in_system_directory): New function.
2447 * fileread.h (class Input_file): Declare is_in_system_directory.
2448 * object.h (class Object): Add is_in_system_directory.
2449 (class Input_objects): Remove system_library_directory_ field.
2450 * object.cc (Input_objects::add_object): Don't set
2451 system_library_directory_.
2452 (input_objects::found_in_system_library_directory): Remove.
2453 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2454 parameter. Change all callers.
2455 (Symbol_table::sized_write_globals): Likewise.
2456 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2457 Call Object::is_in_system_directory.
2458 * symtab.h (class Symbol_table): Update declarations.
2459
61edd21f
ILT		 2460 PR 5990
2461 * descriptors.h (Open_descriptor): Add is_on_stack field.
2462 * descriptors.cc (Descriptors::open): If the descriptor is on the
2463 top of the stack, remove it. Initialize is_on_stack field.
2464 (Descriptors::release): Only add pod to stack if it is not on the
2465 stack already.
2466 (Descriptors::close_some_descriptor): Clear stack_next and
2467 is_on_stack fields.
2468
e29e076a
ILT		 2469 PR 7091
2470 * output.cc (Output_section::find_starting_output_address): Rename
2471 from starting_output_address; add PADDR parameter; change return
2472 type.
2473 * output.h (class Output_section): Declare
2474 find_starting_output_address instead of starting_output_address.
2475 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2476 section symbol for which we can't find a merge section.
2477
0602e05a
ILT		 2478 PR 9836
2479 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2480 hidden or internal, force the symbol to be local.
2481 * resolve.cc (Symbol::override_visibility): Define.
2482 (Symbol::override_base): Use override_visibility.
2483 (Symbol_table::resolve): Likewise.
2484 (Symbol::override_base_with_special): Likewise.
2485 (Symbol_table::override_with_special): If the visibility is hidden
2486 or internal, force the symbol to be local.
2487 * symtab.h (class Symbol): Add set_visibility and
2488 override_visibility.
2489 * testsuite/ver_test_1.sh: New file.
2490 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2491 (check_DATA): Add ver_test_1.syms.
2492 (ver_test_1.syms): New target.
2493 * testsuite/Makefile.in: Rebuild.
2494
401a9a73
CC		 24952009-02-25 Cary Coutant <ccoutant@google.com>
2496
2497 * layout.cc (Layout::choose_output_section): Don't rename sections
2498 when using a linker script that has a SECTIONS clause.
2499 * Makefile.in: Regenerate.
2500
2501 * testsuite/Makefile.am (script_test_5.sh): New test case.
2502 * testsuite/Makefile.in: Regenerate.
2503 * testsuite/script_test_5.cc: New file.
2504 * testsuite/script_test_5.sh: New file.
2505 * testsuite/script_test_5.t: New file.
2506
f488e4b0
CC		 25072009-02-13 Rafael Avila de Espindola <espindola@google.com>
2508
2509 * archive.cc (Archive::include_member): Update calls to add_symbols.
2510 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2511 the Layout argument.
2512 * dynobj.h (do_add_symbols): Add the Layout argument.
2513 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2514 Layout argument.
2515 * object.h (Object::add_symbols): Add the Layout argument.
2516 (Object::do_add_symbols): Add the Layout argument.
2517 (Sized_relobj::do_add_symbols): Add the Layout argument.
2518 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2519 Unify the two versions.
2520 (Add_plugin_symbols): Remove.
2521 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2522 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2523 (Add_plugin_symbols): Remove.
2524 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2525 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2526 (Add_symbols::run): Make it work with Pulginobj.
2527
89dd1680
ILT		 25282009-02-06 Ian Lance Taylor <iant@google.com>
2529
2530 * object.cc (Sized_relobj::do_layout): Make info message start
2531 with lower case letter.
2532
266d0a74
ILT		 25332009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2534
602b464e
ILT		 2535 * binary.cc: Fix file comment.
2536
266d0a74
ILT		 2537 * options.h (enum Incremental_disposition): Define.
2538 (class General_options): Add new options: --incremental,
2539 --incremental_changed, --incremental_unchanged,
2540 --incremental_unknown. Add incremental_disposition_ and
2541 implicit_incremental_ fields.
2542 (General_options::incremental_disposition): New function.
2543 (class Position_dependent_options): Add incremental_disposition
2544 option.
2545 (Position_dependent_options::copy_from_options): Set incremental
2546 dispositions.
2547 * options.cc (General_options::parse_incremental_changed): New
2548 function.
2549 (General_options::parse_incremental_unchanged): New function.
2550 (General_options::parse_incremental_unknown): New function.
2551 (General_options::General_options): Initialize new fields
2552 incremental_disposition_ and implicit_incremental_.
2553 (General_options::finalize): Check for uasge of --incremental-*
2554 without --incremental.
2555
f073bbf7
CD		 25562009-02-06 Chris Demetriou <cgd@google.com>
2557
2558 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2559 pointer and to report location as the file name associated with
2560 the symbol.
2561 (gold_undefined_symbol_at_location): New function to replace the
2562 old gold_undefined_symbol functionality.
2563 * target-reloc.h (relocate_section): Update to use
2564 gold_undefined_symbol_at_location.
2565 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2566 Call gold_undefined_symbol function rather than gold_error.
2567 * errors.h (Errors::undefined_symbol): Take location as a
2568 string, rather than calculating it from a relocation.
2569 * errors.cc (Errors::fatal): Print "fatal error:" before the
2570 formatted message.
2571 (Errors::error, Errors::error_at_location): Print "error: "
2572 before the formatted message.
2573 (Errors::undefined_symbol): Take location as a string, rather
2574 than calculating it from a relocation.
2575 (gold_undefined_symbol_at_location): New function akin to
2576 old gold_undefined_symbol, calculates location from relocation.
2577 (gold_undefined_symbol): Change to take only a Symbol pointer
2578 and to report location as the file name associated with the symbol.
2579 * testsuite/debug_msg.sh: Update for changed error messages.
2580 * testsuite/undef_symbol.sh: Likewise.
2581
8e94a90c
ILT		 25822009-02-04 Duncan Sands <baldrick@free.fr>
2583
2584 PR 9812
2585 * reduced_debug_output.h
2586 (Output_reduced_debug_abbrev_section::failed): Use format for
2587 gold_warning.
2588 (Output_reduced_debug_info_section::faild): Likewise.
2589
88a0e15b
ILT		 25902009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2591
2592 * script.cc (Lazy_demangler): New class.
2593 (Version_script_info::get_symbol_version_helper): Demangle a
2594 symbol only once.
2595
5efc7cd2
CC		 25962009-01-29 Cary Coutant <ccoutant@google.com>
2597
2598 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2599 to __tls_get_addr.
2600 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2601
e0ebcf42
ILT		 26022009-01-28 Ian Lance Taylor <iant@google.com>
2603
5efc7cd2 2604 * version.cc (version_string): Bump to 1.9.
75fe7426 2605
e0ebcf42
ILT		 2606 * gold.h: Include <cstring> and <stdint.h>.
2607 * version.cc: Include <cstdio>.
2608 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2609 warning.
2610 * reduced_debug_output.cc (insert_into_vector): Rename from
2611 Insert_into_vector; change all callers. Use Swap_unaligned to
2612 avoid aliasing issue; remove union since it is unnecessary.
2613
8e2813be 26142009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 2615
2616 * Makefile.am (CCFILES): Add gc.cc.
2617 (HFILES): Add gc.h.
2618 * Makefile.in: Regenerate.
2619 * gold.cc (Gc_runner): New class.
2620 (queue_initial_tasks): Call garbage collection related tasks
2621 when corresponding options are invoked.
2622 (queue_middle_gc_tasks): New function.
2623 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2624 processed early before laying out sections during garbage collection.
2625 * gold.h (queue_middle_gc_tasks): New function.
2626 (is_prefix_of): Move from "layout.cc".
2627 * i386.cc (Target_i386::gc_process_relocs): New function.
2628 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2629 * main.cc (main): Create object of class "Garbage_collection".
2630 * object.cc (Relobj::copy_symbols_data): New function.
2631 (Relobj::is_section_name_included): New function.
2632 (Sized_relobj::do_layout): Allow this function to be called twice
2633 during garbage collection and defer layout of section during the
2634 first call.
2635 * object.h (Relobj::get_symbols_data): New function.
2636 (Relobj::is_section_name_included): New function.
2637 (Relobj::copy_symbols_data): New function.
2638 (Relobj::set_symbols_data): New function.
2639 (Relobj::get_relocs_data): New function.
2640 (Relobj::set_relocs_data): New function.
2641 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2642 (Relobj::gc_process_relocs): New function.
2643 (Relobj::do_gc_process_relocs): New pure virtual function.
2644 (Relobj::sd_): New data member.
2645 (Sized_relobj::is_output_section_offset_invalid): New function.
2646 (Sized_relobj::do_gc_process_relocs): New function.
2647 * options.h (General_options::gc_sections): Modify to not be a no-op.
2648 (General_options::print_gc_sections): New option.
2649 * plugin.cc (Plugin_finish::run): Remove function call to
2650 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2651 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2652 * reloc.cc (Read_relocs::run): Add task to process relocs and
2653 determine unreferenced sections when doing garbage collection.
2654 (Gc_process_relocs): New class.
2655 (Sized_relobj::do_gc_process_relocs): New function.
2656 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2657 sections that are garbage collected.
2658 * reloc.h (Gc_process_relocs): New class.
2659 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2660 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2661 symbols whose corresponding sections are garbage collected.
2662 (Symbol_table::Symbol_table): Add new parameter for the garbage
2663 collection object.
2664 (Symbol_table::gc_mark_undef_symbols): New function.
2665 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2666 (Symbol_table::gc_mark_dyn_syms): New function.
2667 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2668 as garbage.
2669 (Symbol_table::add_from_object): Likewise.
2670 (Symbol_table::add_from_relobj): When building shared objects, do not
2671 treat externally visible symbols as garbage.
2672 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2673 table information for static and relocatable links.
2674 * symtab.h (Symbol_table::set_gc): New function.
2675 (Symbol_table::gc): New function.
2676 (Symbol_table::gc_mark_undef_symbols): New function.
2677 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2678 (Symbol_table::gc_mark_dyn_syms): New function.
2679 (Symbol_table::gc_): New data member.
2680 * target.h (Sized_target::gc_process_relocs): New pure virtual
2681 function.
2682 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2683 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2684
3b293544
CF		 26852009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2686
2687 * options.h (General_options::gc_sections): Define as a no-op for now.
2688 (General_options::no_keep_memory): Ditto.
2689 (General_options::Bshareable): Define.
2690 * options.cc (General_options::finalize): Honor -Bshareable.
2691
83d22aa8
AS		 26922009-01-20 Andreas Schwab <schwab@suse.de>
2693
2694 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2695 read the value in the contents, since we don't use it. Use the
2696 template endianness when writing.
2697 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2698
cd536b21
AS		 26992009-01-19 Andreas Schwab <schwab@suse.de>
2700
2701 * configure.tgt (powerpc64-*): Fix targ_obj.
2702
99e9a495
ILT		 27032009-01-15 Ian Lance Taylor <iant@google.com>
2704
2705 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2706 local symbols when stripping all symbols.
2707
bbbfea06
CC		 27082009-01-14 Cary Coutant <ccoutant@google.com>
2709
99e9a495 2710 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 2711
0f7c0701
CC		 27122009-01-14 Cary Coutant <ccoutant@google.com>
2713
2714 * archive.cc (Archive::get_elf_object_for_member): Remove call
2715 to File_read::claim_for_plugin.
2716 * descriptors.cc (Descriptors::open): Remove reference to
2717 is_claimed.
2718 (Descriptors::claim_for_plugin): Remove.
2719 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2720 (Descriptors::is_claimed): Remove.
2721 (claim_descriptor_for_plugin): Remove.
2722 * fileread.cc (File_read::claim_for_plugin): Remove.
2723 * fileread.h (File_read::claim_for_plugin): Remove.
2724 (File_read::descriptor): Reopen descriptor if necessary.
2725 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2726 (Plugin_manager::all_symbols_read): Add task parameter. Change
2727 all callers.
2728 (Plugin_manager::get_input_file): New function.
2729 (Plugin_manager::release_input_file): New function.
2730 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2731 corresponding data member.
2732 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2733 and pass to base constructor. Change all callers.
2734 (get_input_file, release_input_file): New functions.
2735 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2736 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2737 (Plugin_manager::all_symbols_read): Add task parameter.
2738 (Plugin_manager::get_input_file): New function.
2739 (Plugin_manager::release_input_file): New function.
2740 (Plugin_manager::task_): New data member.
2741 (Pluginobj::Pluginobj): Add filesize parameter.
2742 (Pluginobj::filename): New function.
2743 (Pluginobj::descriptor): New function.
2744 (Pluginobj::filesize): New function.
2745 (Pluginobj::filesize_): New data member.
2746 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2747 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2748 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2749
2750 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2751 with archive libraries.
2752 * testsuite/Makefile.in: Regenerate.
2753 * testsuite/plugin_test.c (struct sym_info): New type.
2754 (get_input_file, release_input_file): New static variables.
2755 (onload): Capture new transfer vector entries.
2756 (claim_file_hook): Stop reading at end of file according to filesize.
2757 Factor out parsing of readelf output into separate function.
2758 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2759 APIs and get the source file name from the symbol table. Convert
2760 source file name to corresponding object file name. Print info
2761 message when adding new input files.
2762 (parse_readelf_line): New function.
2763 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2764 * testsuite/plugin_test_2.sh: Likewise.
2765 * testsuite/plugin_test_3.sh: Likewise.
2766 * testsuite/plugin_test_4.sh: New test case.
2767
62a6d109
ILT		 27682009-01-07 Ian Lance Taylor <iant@google.com>
2769
2770 * version.cc (version_string): Bump to 1.8.
2771
483620e8
CC		 27722008-12-23 Cary Coutant <ccoutant@google.com>
2773
2774 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2775 * plugin.cc (Plugin_manager::finish): Rename as
2776 layout_deferred_objects. Move cleanup to separate function.
2777 (Plugin_manager::cleanup): New function.
2778 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2779 separately.
2780 * plugin.h (Plugin_manager::finish): Rename as
2781 layout_deferred_objects.
2782 (Plugin_manager::cleanup): New function.
2783 (Plugin_manager::cleanup_done): New field.
2784
d66a9eb3
CC		 27852008-12-23 Cary Coutant <ccoutant@google.com>
2786
2787 * plugin.cc (is_visible_from_outside): New function.
2788 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2789 so we don't return "IR only" status for exported symbols or -r links.
2790
2791 * testsuite/Makefile.am (plugin_test_3): New test case.
2792 * testsuite/Makefile.in: Regenerate.
2793 * testsuite/plugin_test_3.sh: New file.
2794
5995b570
CC		 27952008-12-22 Cary Coutant <ccoutant@google.com>
2796
2797 * object.cc (Sized_relobj::layout_section): New function.
2798 (Sized_relobj::do_layout): Defer layout of input sections until after
2799 plugin has provided replacement files.
2800 (Sized_relobj::do_layout_deferred_sections): New function.
2801 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2802 (Relobj::layout_deferred_sections): New function.
2803 (Relobj::do_layout_deferred_sections): New function.
2804 (Sized_relobj::do_layout_deferred_sections): New function.
2805 (Sized_relobj::layout_section): New function.
2806 (Sized_relobj::Deferred_layout): New structure.
2807 (Sized_relobj::deferred_layout_): New field.
2808 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2809 Change all callers. Layout deferred sections.
2810 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2811 references.
2812 (Plugin_hook::run): Move code from do_plugin_hook inline.
2813 (Plugin_hook::do_plugin_hook): Remove.
2814 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2815 (Plugin_manager::finish): Renamed, was cleanup.
2816 (Plugin_manager::should_defer_layout): New function.
2817 (Plugin_manager::add_deferred_layout_object): New function.
2818 (Plugin_manager::Deferred_layout_list): New type.
2819 (Plugin_manager::deferred_layout_objects_): New field.
2820 (Plugin_hook::do_plugin_hook): Remove.
2821
ee769c88
ILT		 28222008-12-17 Ian Lance Taylor <iant@google.com>
2823
2824 * options.h (class General_options): Add --no case for
2825 --export-dynamic.
2826
abc8dcba
CC		 28272008-12-16 Cary Coutant <ccoutant@google.com>
2828
2829 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2830 vector.
2831 (Plugin_manager::claim_file): Create plugin object even if
2832 plugin did not call the add_symbols callback.
2833 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2834 asking for more symbols than were added.
2835 * testsuite/Makefile.am (plugin_test_1): Add test case with
2836 no global symbols.
2837 (empty.syms): New target.
2838 * testsuite/Makefile.in: Regenerate.
2839 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2840 message. Don't call add_symbols if no globals.
2841 (all_symbols_read_hook): Don't provide replacement for empty
2842 claimed file.
2843
b0074644
ILT		 28442008-12-12 Ian Lance Taylor <iant@google.com>
2845
68943102
ILT		 2846 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2847 r_type == 0 for a local symbol with r_sym == 0.
2848 (scan_relocatable_relocs): Pass r_sym to
2849 local_non_section_strategy.
2850 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2851 r_sym parameter.
2852
b0074644
ILT		 2853 * configure.ac: Update test for TLS descriptors: they are
2854 supported as of glibc 2.9.
2855 * configure: Rebuild.
2856
c2508178
ILT		 28572008-12-11 Ian Lance Taylor <iant@google.com>
2858
2859 PR 7091
2860 * target-reloc.h (Default_scan_relocatable_relocs): For each
2861 function, map r_type == 0 to RELOC_DISCARD.
2862
2756a258
CC		 28632008-12-10 Cary Coutant <ccoutant@google.com>
2864
2865 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2866 object to override a kept COMDAT group from a plugin object.
2867
bb6f53d3
ILT		 28682008-12-09 Ian Lance Taylor <iant@google.com>
2869
fbc558e1
ILT		 2870 PR 7088
2871 * yyscript.y (file_cmd): Handle INPUT.
2872
bb6f53d3
ILT		 2873 * testsuite/initpri1.c: Change all declarations to be full
2874 prototypes by adding void, to avoid compiler warnings.
2875
4674ecfc
CC		 28762008-12-05 Rafael Avila de Espindola <espindola@google.com>
2877
2878 * options.cc (General_options::parse_plugin_opt): New.
2879 (General_options::add_plugin): The argument now is just the filename.
2880 (General_options::add_plugin_option): New.
2881 * options.h (plugin_opt): New.
2882 (add_plugin): Change argument name.
2883 (add_plugin_option): New.
2884 * plugin.cc (Plugin::load): Don't parse the plugin option.
2885 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2886 (Plugin::add_option): New.
2887 (Plugin::args_): Change type.
2888 (Plugin::filename_): New.
2889 (Plugin_manager::add_plugin_option): New.
2890 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2891 * testsuite/Makefile.in: Regenerate.
2892
fd06b4aa
CC		 28932008-12-05 Cary Coutant <ccoutant@google.com>
2894
2895 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2896 Handle --strip-lto-sections option.
2897 * options.h (strip_lto_sections): New option.
2898
6c52134c
CC		 28992008-12-01 Cary Coutant <ccoutant@google.com>
2900
2901 * plugin.cc (ld_plugin_message): Change format parameter to const.
2902 Fix mismatch between new[] and delete.
2903
a45248e0
CC		 29042008-11-14 Cary Coutant <ccoutant@google.com>
2905
2906 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2907 instead of -1U.
2908
c82fbeee
CS		 29092008-11-05 Craig Silverstein <csilvers@google.com>
2910
2911 * options.cc (General_options::parse_dynamic_list): New function.
2912 * options.h (General_options): New flags dynamic_list,
2913 dynamic_list_data, dynamic_list_cpp_new, and
2914 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2915 (General_options::in_dynamic_list): New function.
2916 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2917 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2918 (Lex::can_continue_name): Likewise.
2919 (yylex): Likewise.
2920 (read_script_file): New parameter script_options.
2921 (read_dynamic_list): New function.
2922 (Script_options::define_dynamic_list): New function.
2923 (dynamic_list_keyword_parsecodes): New variable.
2924 (dynamic_list_keywords): New variable.
2925 * script.h (Script_options::define_dynamic_list): New function
2926 prototype.
2927 (read_dynamic_list): New function prototype.
2928 * symtab.cc (strprefix): New macro.
2929 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2930 dynamic_list_data, dynamic_list_cpp_new, and
2931 dynamic_list_cpp_typeinfo.
2932 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2933 (dynamic_list_expr): New rule.
2934 (dynamic_list_nodes): Likewise.
2935 (dynamic_list_node): Likewise.
2936 * testsuite/Makefile.am (dynamic_list): New test.
2937 * testsuite/Makefile.in: Regenerated.
2938 * testsuite/dynamic_list.t: New file.
2939 * testsuite/dynamic_list.sh: New file.
2940
e0bb29a5
CS		 29412008-11-05 Craig Silverstein <csilvers@google.com>
2942
2943 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2944 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2945 (t11_last): Likewise.
2946 * testsuite/ver_test_6.c (main): Likewise.
2947
4e1e25e0
CC		 29482008-10-07 Cary Coutant <ccoutant@google.com>
2949
2950 * options.c (General_options::finalize): Add check for -static and
2951 -shared.
2952 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2953 is not empty.
2954
92f03fcb
CC		 29552008-10-02 Cary Coutant <ccoutant@google.com>
2956
2957 * plugin.cc (make_sized_plugin_object): Fix conditional
2958 compilation to work when not all targets are enabled.
2959
fbd8a257
CC		 29602008-09-29 Cary Coutant <ccoutant@google.com>
2961
2962 * archive.cc (Archive::get_file_and_offset): Use filename instead
2963 of name to get library path.
2964 (Archive::include_member): Unlock external member of a thin archive.
2965
2966 * testsuite/Makefile.am (TEST_AR): New variable.
2967 (thin_archive_test_1): New test.
2968 (thin_archive_test_2): New test.
81636b3f
CC		 2969 * testsuite/Makefile.in: Regenerate.
2970 * testsuite/thin_archive_main.cc: New file.
2971 * testsuite/thin_archive_test_1.cc: New file.
2972 * testsuite/thin_archive_test_2.cc: New file.
2973 * testsuite/thin_archive_test_3.cc: New file.
2974 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 2975
eff45813
CC		 29762008-09-29 Cary Coutant <ccoutant@google.com>
2977
2978 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2979 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2980 instead of -1U.
2981 (Sized_relobj::do_finalize_local_symbols): Likewise.
2982 (Sized_relobj::map_to_kept_section): Likewise.
2983 * object.h (Sized_relobj::invalid_address): New constant.
2984 (Sized_relobj::do_output_section_offset): Check for invalid_address
2985 and return -1ULL.
2986 * output.cc (Output_reloc::local_section_offset): Use constant
2987 invalid_address instead of -1U.
2988 (Output_reloc::get_address): Likewise.
2989 (Output_section::output_address): Change -1U to -1ULL.
2990 * output.h (Output_reloc::invalid_address): New constant.
2991 * reloc.cc (Sized_relobj::write_sections): Use constant
2992 invalid_address instead of -1U.
2993 (Sized_relobj::relocate_sections): Likewise.
2994 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2995 values for merge sections.
2996 * target-reloc.h (relocate_for_relocatable): Use constant
2997 invalid_address instead of -1U.
2998
89fc3421
CC		 29992008-09-19 Cary Coutant <ccoutant@google.com>
3000
3001 Add plugin functionality for link-time optimization (LTO).
3002 * configure.ac (plugins): Add --enable-plugins option.
3003 * configure: Regenerate.
3004 * config.in: Regenerate.
3005 * Makefile.am (LIBDL): New variable.
3006 (CCFILES): Add plugin.cc.
3007 (HFILES): Add plugin.h.
3008 (ldadd_var): Add LIBDL.
3009 * Makefile.in: Regenerate.
3010
3011 * archive.cc: Include "plugin.h".
3012 (Archive::setup): Don't preread archive symbols when using a plugin.
3013 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
3014 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3015 files.
3016 (Archive::include_member): Add symbols from plugin objects.
3017 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3018 * descriptors.cc (Descriptors::open): Check for file descriptors
3019 abandoned by plugins.
3020 (Descriptors::claim_for_plugin): New function.
3021 * descriptors.h (Descriptors::claim_for_plugin): New function.
3022 (Open_descriptor::is_claimed): New field.
3023 (claim_descriptor_for_plugin): New function.
3024 * fileread.cc (File_read::claim_for_plugin): New function.
3025 * fileread.h (File_read::claim_for_plugin): New function.
3026 (File_read::descriptor): New function.
3027 * gold.cc: Include "plugin.h".
3028 (queue_initial_tasks): Add task to call plugin hooks for generating
3029 new object files.
3030 * main.cc: Include "plugin.h".
3031 (main): Load plugin libraries.
3032 * object.h (Pluginobj): Declare.
3033 (Object::pluginobj): New function.
3034 (Object::do_pluginobj): New function.
3035 (Object::set_target): New function.
3036 * options.cc: Include "plugin.h".
3037 (General_options::parse_plugin): New function.
3038 (General_options::General_options): Initialize plugins_ field.
3039 (General_options::add_plugin): New function.
3040 * options.h (Plugin_manager): Declare.
3041 (General_options): Add --plugin option.
3042 (General_options::has_plugins): New function.
3043 (General_options::plugins): New function.
3044 (General_options::add_plugin): New function.
3045 (General_options::plugins_): New field.
3046 * plugin.cc: New file.
3047 * plugin.h: New file.
3048 * readsyms.cc: Include "plugin.h".
3049 (Read_symbols::do_read_symbols): Check for archive before checking
3050 for ELF file. Call plugin hooks to claim files.
3051 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3052 from a real object file; force override when processing replacement
3053 files.
3054 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3055 (Symbol::init_base_object): Likewise.
3056 (Symbol::init_base_output_data): Likewise.
3057 (Symbol::init_base_output_segment): Likewise.
3058 (Symbol::init_base_constant): Likewise.
3059 (Symbol::init_base_undefined): Likewise.
3060 (Symbol::output_section): Assert that object is not a plugin.
3061 (Symbol_table::add_from_pluginobj): New function.
3062 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3063 undefined.
3064 (Symbol_table::sized_write_globals): Likewise.
3065 (Symbol_table::add_from_pluginobj): Instantiate template.
3066 * symtab.h (Sized_pluginobj): Declare.
3067 (Symbol::in_real_elf): New function.
3068 (Symbol::set_in_real_elf): New function.
3069 (Symbol::in_real_elf_): New field.
3070 (Symbol_table::add_from_pluginobj): New function.
3071
3072 * testsuite/Makefile.am (AM_CFLAGS): New variable.
3073 (LIBDL): New variable.
3074 (LDADD): Add LIBDL.
3075 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3076 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3077 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3078 (MOSTLYCLEANFILES): Likewise.
3079 * testsuite/Makefile.in: Regenerate.
3080 * testsuite/plugin_test.c: New file.
3081 * testsuite/plugin_test_1.sh: New file.
3082 * testsuite/plugin_test_2.sh: New file.
3083
de31bda5
ILT		 30842008-09-16 Ian Lance Taylor <iant@google.com>
3085
9c2d0ef9
ILT		 3086 * target-reloc.h (relocate_section): Check whether a symbol is
3087 defined by the ABI before reporting an undefined symbol error.
3088 * target.h (Target::is_defined_by_abi): Make parameter const.
3089 (Target::do_is_defined_by_abi): Likewise.
3090 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3091 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3092 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3093 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3094 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3095 * testsuite/Makefile.in: Rebuild.
3096
de31bda5
ILT		 3097 * fileread.cc (make_view): Add casts to avoid warning.
3098
9fa33bee
AO		 30992008-09-16 Alexandre Oliva <aoliva@redhat.com>
3100
3101 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3102 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3103
183fd0e3
AO		 31042008-09-16 Alexandre Oliva <aoliva@redhat.com>
3105
3106 * options.h (General_options::output_is_executable): New.
3107 (General_options::output_is_pie): New.
3108 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3109 for shared libraries.
3110 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3111
7be8330a
CD		 31122008-09-11 Chris Demetriou <cgd@google.com>
3113
3114 * options.h (origin): New -z option.
3115 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3116 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3117 in DT_FLAGS_1.
3118
a9caad02
CC		 31192008-09-05 Cary Coutant <ccoutant@google.com>
3120
3121 * fileread.cc (File_read::make_view): Add check for attempt to map
3122 beyond end of file.
3123
ae6dce4d
CC		 31242008-09-05 Cary Coutant <ccoutant@google.com>
3125
3126 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3127 explicit instantiations.
3128
d7ab2a47
KVH		 31292008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
3130
3131 PR gold/6858
3132 * options.cc (General_options::finalize): Allow undefined symbols
3133 in shlibs if linking -shared.
3134
3135 PR gold/6859
3136 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3137 symbols as not needing a dynsym entry.
3138
1e52a9c1
CS		 31392008-08-20 Craig Silverstein <csilvers@google.com>
3140
3141 * fileread.cc (File_read::open): Do not lock the file unless it
3142 was successfully opened.
3143
d85c80a3
CC		 31442008-08-14 Cary Coutant <ccoutant@google.com>
3145
3146 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3147 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3148 * testsuite/tls_test.cc (struct int128): 128-bit struct
3149 for testing TLS relocs with non-zero addend.
3150 (v12): New TLS variable.
3151 (t12): New test.
3152 (t_last): Add check for v12.
3153 * testsuite/tls_test.h (t12): New function.
3154 * testsuite/tls_test_main.cc (thread_routine): Call new test.
3155
2d924fd9
ILT		 31562008-08-13 Ian Lance Taylor <iant@google.com>
3157
3158 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3159 set tls_segment_ or relro_segment_.
3160 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3161 when appropriate.
3162 * output.h (Output_section::clear_is_relro): New function.
3163 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3164 sections specially even when output_data_ is empty.
3165 (Output_segment::maximum_alignment): When first section is relro,
3166 only force alignment for PT_LOAD segments.
3167 * script.cc (script_data_segment_align): New function.
3168 (script_data_segment_relro_end): New function.
3169 * script-c.h (script_data_segment_align): Declare.
3170 (script_data_segment_relro_end): Declare.
3171 * script-sections.h (class Script_sections): Declare
3172 data_segment_align and data_segment_relro_end. Add fields
3173 segment_align_index_ and saw_relro_end_.
3174 * script-sections.cc (class Sections_element): Add set_is_relro
3175 virtual function. Add new bool* parameter to place_orphan_here.
3176 Add get_output_section virtual function.
3177 (class Output_section_definition): Add set_is_relro. Add new
3178 bool* parameter to place_orphan_here. Add get_output_section.
3179 Add is_relro_ field.
3180 (Output_section_definition::Output_section_definition): Initialize
3181 evaluated_address_, evaluated_load_address, evaluated_addralign_,
3182 and is_relro_ fields.
3183 (Output_section_definition::place_orphan_here): Add is_relro
3184 parameter.
3185 (Output_section_definition::set_section_addresses): Set relro for
3186 output section.
3187 (Output_section_definition::alternate_constraint): Likewise.
3188 (class Orphan_output_section): Add new bool* parameter to
3189 place_orphan_here. Add get_output_section.
3190 (Orphan_output_section::place_orphan_here): Add is_relro
3191 parameter.
3192 (Script_sections::Script_sections): Initialize
3193 data_segment_align_index_ and saw_relro_end_.
3194 (Script_sections::data_segment_align): New function.
3195 (Script_sections::data_segment_relro_end): New function.
3196 (Script_sections::place_orphan): Set or clear is_relro.
3197 (Script_sections::set_section_addresses): Force alignment of first
3198 TLS section.
3199 * yyscript.y (exp): Call script_data_segment_align and
3200 script_data_segment_relro_end.
3201 * testsuite/relro_script_test.t: New file.
3202 * testsuite/relro_test.cc (using_script): Declare.
3203 (t1, t2): Test using_script.
3204 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3205 (relro_script_test_SOURCES): Define.
3206 (relro_script_test_DEPENDENCIES): Define.
3207 (relro_script_test_LDFLAGS): Define.
3208 (relro_script_test_LDADD): Define.
3209 (relro_script_test.so): New target.
3210 * testsuite/Makefile.in: Rebuild.
3211
f827c9a9
CC		 32122008-08-06 Cary Coutant <ccoutant@google.com>
3213
3214 * archive.cc (Archive::total_archives, Archive::total_members)
3215 (Archive::total_members_loaded): New variables.
3216 (Archive::setup): Add parameter. Add option to preread
3217 archive symbols.
3218 (Archive::read_armap): Add counter.
3219 (Archive::get_file_and_offset): New function.
3220 (Archive::get_elf_object_for_member): New function.
3221 (Archive::read_all_symbols): New function.
3222 (Archive::read_symbols): New function.
3223 (Archive::add_symbols): Add counters.
3224 (Archive::include_all_members): Use armap to find members if it's
3225 already built.
3226 (Archive::include_member): Skip reading symbols if already read.
3227 Factored code into Archive::get_file_and_offset and
3228 Archive::get_elf_object_for_member. Changed call to
3229 Mapfile::report_include_archive_member.
3230 (Archive::print_stats): New function.
3231 * archive.h: Declare Object and Read_symbols_data classes.
3232 (Archive::Archive): Add initializers for new members.
3233 (Archive::setup): Add parameter.
3234 (Archive::print_stats): New function.
3235 (Archive::total_archives, Archive::total_members)
3236 (Archive::total_members_loaded): New variables.
3237 (Archive::get_file_and_offset): New function.
3238 (Archive::get_elf_object_for_member): New function.
3239 (Archive::read_all_symbols): New function.
3240 (Archive::read_symbols): New function.
3241 (Archive::Archive_member): New class.
3242 (Archive::members_): New member.
3243 (Archive::num_members_): New member.
3244 * main.cc: Include archive.h.
3245 (main): Call Archive::print_stats.
3246 * mapfile.cc (Mapfile::report_include_archive_member): Delete
3247 archive parameter; member_name is now the fully-decorated name.
3248 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3249 * options.h: (General_options): Add --preread-archive-symbols option.
3250 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3251 Archive::setup.
3252
de4c45bd
ILT		 32532008-08-04 Ian Lance Taylor <iant@google.com>
3254
3255 * symtab.h (Symbol::use_plt_offset): New function.
3256 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3257 * powerpc.cc (Relocate::relocate): Likewise.
3258 * sparc.cc (Relocate::relocate): Likewise.
3259 * x86_64.cc (Relocate::relocate): Likewise.
3260 * testsuite/weak_plt.sh: New test.
3261 * testsuite/weak_plt_main.cc: New test.
3262 * testsuite/weak_plt_shared.cc: New test.
3263 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3264 (check_PROGRAMS): Add weak_plt.
3265 (check_DATA): Add weak_plt_shared.so.
3266 (weak_plt_main_pic.o, weak_plt): New targets.
3267 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3268 * testsuite/Makefile.in: Rebuild.
3269
3270 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3271 gcctestdir/ld.
3272 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3273 * testsuite/Makefile.in: Rebuild.
3274
323ee3f4
AM		 32752008-08-04 Alan Modra <amodra@bigpond.net.au>
3276
3277 * Makefile.am (POTFILES.in): Set LC_ALL=C.
3278 * Makefile.in: Regenerate.
3279 * po/POTFILES.in: Regenerate.
3280
7c07ecec
ILT		 32812008-07-29 Ian Lance Taylor <iant@google.com>
3282
3283 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3284 symbols before other symbols.
3285 * testsuite/script_test_2.cc (test_addr): Declare.
3286 (test_addr_alias): Declare.
3287 (main): Check that test_addr and test_addr_alias have the right
cd536b21 3288 values.
7c07ecec
ILT		 3289 * testsuite/script_test_2.t: Define test_addr_alias and
3290 test_addr.
3291
5778530e
ILT		 32922008-07-24 Ian Lance Taylor <iant@google.com>
3293
2a00e4fb
ILT		 3294 PR 5990
3295 * descriptors.cc: New file.
3296 * descriptors.h: New file.
3297 * gold-threads.h (class Hold_optional_lock): New class.
3298 * fileread.cc: Include "descriptors.h".
3299 (File_read::~File_read): Release descriptor rather than closing
3300 it.
3301 (File_read::open) [file]: Call open_descriptor rather than open.
3302 Set is_descriptor_opened_.
3303 (File_read::open) [memory]: Assert that descriptor is not open.
3304 (File_read::reopen_descriptor): New function.
3305 (File_read::release): Release descriptor.
3306 (File_read::do_read): Make non-const. Reopen descriptor.
3307 (File_read::read): Make non-const.
3308 (File_read::make_view): Reopen descriptor.
3309 (File_read::do_readv): Likewise.
3310 * fileread.h (class File_read): Add is_descriptor_opened_ field.
3311 Update declarations.
3312 * layout.cc: Include "descriptors.h".
3313 (Layout::create_build_id): Use open_descriptor rather than open.
3314 * output.cc: Include "descriptors.h".
3315 (Output_file::open): Use open_descriptor rather than open.
3316 * archive.cc (Archive::const_iterator): Change Archive to be
3317 non-const.
3318 (Archive::begin, Archive::end): Make non-const.
3319 (Archive::count_members): Likewise.
3320 * archive.h (class Archive): Update declarations.
3321 * object.h (Object::read): Make non-const.
3322 * Makefile.am (CCFILES): Add descriptors.cc.
3323 (HFILES): Add descriptors.h.
3324 * Makefile.in: Rebuild.
3325
801647d1
ILT		 3326 PR 6716
3327 * gold.h: Always include <clocale>. Add Solaris workarounds
3328 following code in binutils/sysdep.h.
3329
5edd166e
ILT		 3330 PR 6048
3331 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3332 this->eh_frame_hdr_ is NULL before using it.
3333
c89ad728
ILT		 3334 * dynobj.cc (Versions::Versions): Update comment.
3335
aa86f06b
ILT		 3336 * dynobj.cc (Versions::Versions): If there is an soname, use it as
3337 the base version name.
3338
5778530e
ILT		 3339 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3340 array size plus one.
3341 (Stringpool_template::set_string_offsets): Subtract one from key
3342 before using it as an array index.
3343 (Stringpool_template::get_offset_with_length): Likewise.
3344 (Stringpool_template::write_to_buffer): Likewise.
3345 * stringpool.h (Stringpool_template::get_offset_from_key):
3346 Likewise.
3347
057ead22
ILT		 33482008-07-23 Ian Lance Taylor <iant@google.com>
3349
7f649c59
ILT		 3350 PR 6658
3351 * object.h (Merged_symbol_value::value): Do our best to handle a
3352 negative addend.
3353
057ead22
ILT		 3354 PR 6647
3355 * script.cc (Version_script_info::get_versions): Don't add empty
3356 version tag to return value.
3357 (Version_script_info::get_symbol_version_helper): Change return
3358 type to bool. Add pversion parameter. Change all callers.
3359 (script_register_vers_node): Don't require a non-NULL tag.
3360 * script.h (class Version_script_info): Update declarations.
3361 (Version_script_info::get_symbol_version): Change return type to
3362 bool. Add version parameter. Change all callers.
3363 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3364 handling. Handle an empty version from a version script.
3365 (Symbol_table::define_special_symbol): Likewise.
3366 * testsuite/ver_test_10.script: New file.
3367 * testsuite/ver_test_10.sh: New file.
3368 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3369 (check_DATA): Add ver_test_10.syms.
3370 (ver_test_10.syms, ver_test_10.so): New target.
3371 * testsuite/Makefile.in: Rebuild.
3372
58e54ac2
CD		 33732008-07-23 Simon Baldwin <simonb@google.com>
3374
3375 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3376 to zero for undefined symbols from dynamic libraries.
3377
95d14cd3
ILT		 33782008-07-23 Ian Lance Taylor <iant@google.com>
3379
3380 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3381 Change all callers.
3382 * symtab.h (class Symbol_table): Update declaration.
3383 * testsuite/ver_test_9.cc: New file.
3384 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3385 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3386 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3387 (ver_test_9.so, ver_test_9.o): New targets.
3388 * testsuite/Makefile.in: Rebuild.
3389
92de84a6
ILT		 33902008-07-22 Ian Lance Taylor <iant@google.com>
3391
34810851
ILT		 3392 * options.h (class General_options): Define --check-sections.
3393 * layout.cc (Layout::set_segment_offsets): Handle
3394 --check-sections.
3395
af6156ef
ILT		 3396 * options.h (class General_options): Define -n/--nmagic and
3397 -N/--omagic.
3398 * options.cc (General_options::finalize): For -n/--nmagic or
3399 -N/--omagic, set -static.
3400 * layout.cc (Layout::attach_allocated_section_to_segment): If
3401 -N/--omagic, don't put read-only and read-write sections in
3402 different segments.
3403 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3404 finding a read-only segment.
3405 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3406 don't set the minimum segment alignment to the common page size,
3407 and don't set the file offset to the address modulo the page size.
3408 * script-sections.cc (Script_sections::create_segments): If
3409 -n/--omagic, don't put read-only and read-write sections in
3410 different segments.
3411
92de84a6
ILT		 3412 * cref.cc: New file.
3413 * cref.h: New file.
3414 * options.h (class General_options): Add --print-symbol-counts.
3415 * main.cc (main): Issue defined symbol report if requested.
3416 * archive.cc (Archive::interpret_header): Make into a const member
3417 function.
3418 (Archive::add_symbols): Call Input_objects::archive_start and
3419 archive_stop.
3420 (Archive::const_iterator): Define new class.
3421 (Archive::begin, Archive::end): New functions.
3422 (Archive::include_all_members): Rewrite to use iterator.
3423 (Archive::count_members): New function.
3424 * archive.h (class Archive): Update declarations.
3425 (Archive::filename): New function.
3426 * object.cc: Include "cref.h".
3427 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3428 (Sized_relobj::do_get_global_symbol_counts): New function.
3429 (Input_objects::add_object): Add object to cross-referencer.
3430 (Input_objects::archive_start): New function.
3431 (Input_objects::archive_stop): New function.
3432 (Input_objects::print_symbol_counts): New function.
3433 * object.h: Declare Cref and Archive.
3434 (Object::get_global_symbol_counts): New function.
3435 (Object::do_get_global_symbol_counts): New pure virtual function.
3436 (class Sized_relobj): Add defined_count_ field. Update
3437 declarations.
3438 (class Input_objects): Add cref_ field. Update constructor.
3439 Update declarations.
3440 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3441 defined_count_.
3442 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3443 symbol counts.
3444 (Sized_dynobj::do_get_global_symbol_counts): New function.
3445 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3446 defined_count_. Update declarations. Define Symbols typedef.
3447 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3448 parameter. Change all callers.
3449 (Symbol_table::add_from_dynobj): Add sympointers and defined
3450 parameters. Change all callers.
3451 * symtab.h (class Symbol_table): Update declarations.
3452 * Makefile.am (CCFILES): Add cref.cc.
3453 (HFILES): Add cref.h.
3454 * Makefile.in: Rebuild.
3455
3f7c5e1d
CD		 34562008-07-22 Simon Baldwin <simonb@google.com>
3457
3458 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3459 to zero when writing undefined symbols.
3460
e0b64032
ILT		 34612008-07-22 Ian Lance Taylor <iant@google.com>
3462
3463 * output.cc (Output_section::add_input_section): Don't try to
3464 merge empty merge sections.
3465
096b02cf
CS		 34662008-07-21 Craig Silverstein <csilvers@google.com>
3467
3468 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3469 Include symbol version in error message.
cd536b21 3470
1d1f116d
CD		 34712008-07-20 Chris Demetriou <cgd@google.com>
3472
cd536b21 3473 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 3474 (RANDOM_SEED_CFLAGS): New substituted variable.
3475 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3476 * configure: Rebuild.
3477 * Makefile.in: Likewise.
3478 * testsuite/Makefile.in: Likewise.
3479
a18f591e
ILT		 34802008-07-18 Ian Lance Taylor <iant@google.com>
3481
3482 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3483 where we see NAME/NULL and NAME/VERSION as separate symbols.
3484 * testsuite/ver_test_main.cc (main): Call t4.
3485 (t4, t4_2a): Define.
3486 * testsuite/ver_test_2.cc (t4_2): Define.
3487 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3488 * testsuite/ver_test_4.cc (t4_2a): Define.
3489 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3490 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3491
c6e3f6ed
ILT		 34922008-07-17 Ian Lance Taylor <iant@google.com>
3493
3494 * dynobj.cc (Versions::add_def): If we give an error about a
3495 missing version, go ahead and create the version anyhow.
3496
ef9beddf
ILT		 34972008-07-10 Ian Lance Taylor <iant@google.com>
3498
3499 Handle output sections with more than 0x7fffffff bytes.
3500 * object.h (class Relobj): Change map_to_output_ to
3501 output_sections_, and just keep a section pointer. Change all
3502 uses. Move comdat group support to Sized_relobj.
3503 (Relobj::is_section_specially_mapped): Remove.
3504 (Relobj::output_section): Remove poff parameter. Change all
3505 callers.
3506 (Relobj::output_section_offset): New function.
3507 (Relobj::set_section_offset): Rewrite.
3508 (Relobj::map_to_output): Remove.
3509 (Relobj::output_sections): New function.
3510 (Relobj::do_output_section_offset): New pure virtual function.
3511 (Relobj::do_set_section_offset): Likewise.
3512 (class Sized_relobj): Add section_offsets_ field. Add comdat
3513 group support from Relobj. Update declarations.
3514 (Sized_relobj::get_output_section_offset): New function.
3515 (Sized_relobj::do_output_section_offset): New function.
3516 (Sized_relobj::do_set_section_offset): New function.
3517 * object.cc (Relobj::output_section_address): Remove.
3518 (Sized_relobj::Sized_relobj): Initialize new fields.
3519 (Sized_relobj::include_section_group): Cast find_kept_object to
3520 Sized_relobj.
3521 (Sized_relobj::include_linkonce_section): Likewise.
3522 (Sized_relobj::do_layout): Use separate arrays for output section
3523 and output offset.
3524 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3525 output_sections.
3526 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3527 output_sections and section_offsets.
3528 (Sized_relobj::write_local_symbols): Likewise.
3529 (map_to_kept_section): Compute output address directly.
3530 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3531 output_sections and section_offsets.
3532 (Sized_relobj::write_sections): Likewise.
3533 (Sized_relobj::relocate_sections): Likewise.
3534 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3535 * output.h (class Output_reloc): Update declarations. Change
3536 u2_.relobj to Sized_relobj*.
3537 (class Output_data_reloc): Change add functions to use
3538 Sized_relobj*.
3539 * output.cc (Output_reloc::Output_reloc): Change relobj to
3540 Sized_relobj*.
3541 (Output_reloc::local_section_offset): Change return type to
3542 Elf_Addr. Use get_output_section_offset.
3543 (Output_reloc::get_address): Likewise.
3544 (Output_section::is_input_address_mapped): Don't call
3545 is_section_specially_mapped.
3546 (Output_section::output_offset): Likewise.
3547 (Output_section::output_address): Likewise.
3548 (Output_section::starting_output_address): Likewise.
3549 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3550 parameter to Sized_relobj*.
3551 (Copy_relocs::need_copy_reloc): Likewise.
3552 (Copy_relocs::save): Likewise.
3553 * copy-relocs.h (class Copy_relocs): Update declarations.
3554 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3555 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3556 * target-reloc.h (relocate_for_relocatable): Change
3557 offset_in_output_section type to Elf_Addr. Change code that uses
3558 it as well.
3559 * layout.cc (Layout::layout): Always set *off.
3560 * mapfile.cc (Mapfile::print_input_section): Use
3561 output_section_offset.
3562 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3563 Sized_relobj*.
3564 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3565 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3566 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3567
5cb66f97
ILT		 35682008-07-03 Ian Lance Taylor <iant@google.com>
3569
3570 * layout.cc (Layout::include_section): Do not discard unrecognized
3571 SHT_STRTAB sections.
3572
afe47622
CS		 35732008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3574
3575 * script.cc (Lex::can_continue_name): Make '?' allowable in
3576 version-script names.
3577 * testsuite/version_script.map: Change glob pattern to use '?'
3578
5adf9721
ILT		 35792008-06-30 Manish Singh <yosh@gimp.org>
3580
3581 PR 6585
3582 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3583 Correct typo.
3584
e6fde208
ILT		 35852008-06-30 Ian Lance Taylor <iant@google.com>
3586
3587 PR 6660
3588 PR 6682
3589 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3590 versions]: Don't try to read the value in the contents, since we
3591 don't use it. Use the template endianness when writing.
3592
3f2e6a2d
CC		 35932008-06-25 Cary Coutant <ccoutant@google.com>
3594
3595 * fileread.cc (File_read::make_view): Assert on zero-length view.
3596 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3597 symbol table when there are no symbols to read.
3598
c43d3a48
CS		 35992008-06-23 Craig Silverstein <csilvers@google.com>
3600
3601 * version.cc (version_string): Bump to 1.7
3602
5f494ea0
CS		 36032008-06-18 Craig Silverstein <csilvers@google.com>
3604
3605 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3606 constant 0xFFFF to type Valtype.
3607 (Powerpc_relocate_functions::rel16_ha): Likewise.
3608
c42e122e
ILT		 36092008-06-17 Ian Lance Taylor <iant@google.com>
3610
f34787f8
ILT		 3611 * output.h (Output_section::Input_section): Initialize p2align_ to
3612 zero for Output_section_data constructors.
3613 (Output_section::Input_section::addralign): If not an input
3614 section, return the alignment of the Output_section_data.
3615 * testsuite/copy_test.cc: New file.
3616 * testsuite/copy_test_1.cc: New file.
3617 * testsuite/copy_test_2.cc: New file.
3618 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3619 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3620 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3621 (copy_test_1_pic.o, copy_test_1.so): New targets.
3622 (copy_test_2_pic.o, copy_test_2.so): New targets.
3623 * testsuite/Makefile.in: Rebuild.
3624
c42e122e
ILT		 3625 * script-sections.cc (Script_sections::place_orphan): Initialize
3626 local variable exact.
3627
ce3ac18a
DE		 36282008-06-13 David Edelsohn <edelsohn@gnu.org>
3629
3630 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3631
42cacb20
DE		 36322008-06-12 David Edelsohn <edelsohn@gnu.org>
3633 David S. Miller <davem@davemloft.net>
3634
3635 * powerpc.cc: New file.
3636 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3637 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3638 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3639 * Makefile.in: Rebuild.
3640
7b308235
ILT		 36412008-06-09 Ian Lance Taylor <iant@google.com>
3642
3643 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3644 <exception>.
3645 (throwing, orig_terminate): New static variables.
3646 (terminate_handler): New static function.
3647 (t2): Set terminate handler.
3648
f0b886e3
ILT		 36492008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3650
3651 PR 6584
cd536b21 3652 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 3653 alignment.
3654
3e90f135
CC		 36552008-05-30 Cary Coutant <ccoutant@google.com>
3656
3657 * archive.cc (Archive::include_all_members) Correct to step
3658 over symbol table and extended name table in thin archives.
3659
e09ad04a
ILT		 36602008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3661
3662 PR 6407
3663 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3664 calculation.
3665
62b01cb5
ILT		 36662008-05-28 Caleb Howe <cshowe@google.com>
3667
3668 * reduced_debug_output.cc: New file.
3669 * reduced_debug_output.h: New file.
92de84a6 3670 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 3671 * options.cc (General_options::finalize): Add strip_debug_non_line
3672 to the strip heirarchy.
3673 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3674 fields.
3675 * layout.cc: Include "reduced_debug_output.h".
3676 (Layout::Layout): Initialize new fields.
3677 (line_only_debug_sections): New static array.
3678 (is_lines_only_debug_sections): New static inline function.
3679 (Layout::include_section): Handle --strip-debug-non-line.
3680 (Layout::make_output_section): If --strip-debug-non-line, build
3681 new output sections for .debug_abbrev and .debug_info.
3682 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3683 gold. Warn about possible overflow.
3684 (read_signed_LEB_128): Likewise.
3685 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3686 (read_signed_LEB_128): Declare.
3687 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3688 (HFILES): Add reduced_debug_output.h.
3689 * Makefile.in: Rebuild.
3690
7d9e3d98
ILT		 36912008-05-21 Ian Lance Taylor <iant@google.com>
3692
3693 * mapfile.cc: New file.
3694 * mapfile.h: New file.
3695 * options.h (class General_options): Add -M/--print-map and -Map.
3696 * options.cc (General_options::finalize): Make -M equivalent to
3697 -Map -.
3698 * main.cc: Include <cstdio> and "mapfile.h".
3699 (main): Open mapfile if requested.
3700 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3701 constructor. Change caller.
3702 (queue_initial_tasks): Add mapfile parameter. Change caller.
3703 (queue_middle_tasks): Likewise.
3704 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3705 declarations.
3706 * archive.cc: Include "mapfile.h".
3707 (Archive::add_symbols): Add mapfile parameter. Change all
3708 callers. Pass mapfile, symbol, and reason to include_member.
3709 (Archive::include_all_members): Add mapfile parameter. Change all
3710 callers.
3711 (Archive::include_member): Add mapfile, sym, and why parameters.
3712 Change all callers. Report inclusion to map file.
3713 * archive.h: Include "fileread.h".
3714 (class Archive): Update declarations.
3715 (Archive::file): New const method.
3716 (class Add_archive_symbols): Add mapfile_ field. Update
3717 constructor. Change all callers.
3718 * readsyms.h (class Read_symbols): Likewise.
3719 (class Finish_group): Likewise.
3720 (class Read_script): Likewise.
3721 * common.cc: Include "mapfile.h".
3722 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3723 all callers.
3724 (Symbol_table::do_allocate_commons): Likewise.
3725 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3726 symbol allocation to mapfile.
3727 * common.h (class Allocate_commons_task): Add mapfile_ field.
3728 Update constructor. Change all callers.
3729 * symtab.h (class Symbol_table): Update declarations.
3730 * layout.cc: Include "mapfile.h".
3731 (Layout_task_runner::run): Print information to mapfile.
3732 (Layout::create_gold_note): Change Output_data_fixed_space to
3733 Output_data_zero_fill.
3734 (Layout::create_build_id): Likewise.
3735 (Layout::print_to_mapfile): New function.
3736 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3737 constructor. Change caller.
3738 (class Layout): Declare print_to_mapfile.
3739 * output.cc (Output_section::Input_section::print_to_mapfile): New
3740 function.
3741 (Output_section::add_input_section): If producing a map, always
3742 add to input_sections_ list.
3743 (Output_section::do_print_to_mapfile): New function.
3744 (Output_segment::print_sections_to_mapfile): New function.
3745 (Output_segment::print_section_list_to_mapfile): New function.
3746 * output.h: Include "mapfile.h".
3747 (Output_data::print_to_mapfile): New function.
3748 (Output_data::do_print_to_mapfile): New virtual function.
3749 (Output_segment_headers::do_print_to_mapfile): New function.
3750 (Output_file_header::do_print_to_mapfile): New function.
3751 (Output_data_const::do_print_to_mapfile): New function.
3752 (class Output_data_const_buffer): Add map_name_ field. Update
3753 constructor. Change all callers. Add do_print_to_mapfile
3754 function.
3755 (class Output_data_fixed_space): Likewise.
3756 (class Output_data_space): Likewise.
3757 (class Output_data_zero_fill): New class.
3758 (Output_data_strtab::do_print_to_mapfile): New function.
3759 (Output_data_reloc_base::do_print_to_mapfile): New function.
3760 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3761 (Output_data_group::do_print_to_mapfile): New function.
3762 (Output_data_got::do_print_to_mapfile): New function.
3763 (Output_data_dynamic::do_print_to_mapfile): New function.
3764 (Output_symtab_xindex::do_print_to_mapfile): New function.
3765 (class Output_section): Declare do_print_to_mapflie. Declare
3766 print_to_mapfile in Input_section.
3767 (class Output_segment): Declare new functions.
3768 * object.h (Sized_relobj::symbol_count): New function.
3769 * script-sections.cc
3770 (Output_section_element_dot_assignment::set_section_addresses):
3771 Change Output_data_fixed_space to Output_data_zero_fill.
3772 (Output_data_expression::do_print_to_mapfile): New function.
3773 * script.cc (read_input_script): Add mapfile parameter. Change
3774 all callers.
3775 * script.h (read_input_script): Update declaration.
3776 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3777 (Eh_frame::do_print_to_mapfile): New function.
3778 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3779 (Output_merge_string::do_print_to_mapfile): New function.
3780 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3781 function.
3782 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3783 function.
3784 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3785 function.
3786 * Makefile.am (CCFILES): Add mapfile.cc.
3787 (HFILES): Add mapfile.h.
3788 * Makefile.in: Rebuild.
3789
9f1d377b
ILT		 37902008-05-19 Ian Lance Taylor <iant@google.com>
3791
3792 * options.h (class General_options): Add -z relro.
3793 * layout.cc (Layout::Layout): Initialize relro_segment_.
3794 (Layout::add_output_section_data): Return the output section.
3795 (Layout::make_output_section): Rcognize relro sections and mark
3796 them appropriately.
3797 (Layout::attach_allocated_section_to_segment): Put relro sections
3798 in a PT_GNU_RELRO segment.
3799 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3800 section as relro.
3801 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3802 PT_TLS segments.
3803 (Layout::linkonce_mapping): Map d.rel.ro.local to
3804 .data.rel.ro.local.
3805 (Layout::output_section_name): Us .data.rel.ro.local for any
3806 section which begins with that.
3807 * layout.h (class Layout): Update add_output_section_data
3808 declaration. Add relro_segment_ field.
3809 * output.cc (Output_section::Output_section): Initialize is_relro_
3810 and is_relro_local_ fields.
3811 (Output_segment::add_output_section): Group relro sections.
3812 (Output_segment::is_first_section_relro): New function.
3813 (Output_segment::maximum_alignment): If there is a relro section,
3814 align the segment to the common page size.
3815 (Output_segment::set_section_addresses): Track whether we are
3816 looking at relro sections. If the last section is a relro
3817 section, align to the common page size.
3818 (Output_segment::set_section_list_addresses): Add in_relro
3819 parameter. Change all callers. Align to the page size when
3820 moving from relro to non-relro section.
3821 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3822 segment.
3823 * output.h (class Output_section): Add is_relro_ and
3824 is_relro_local_ fields.
3825 (Output_section::is_relro): New function.
3826 (Output_section::set_is_relro): New function.
3827 (Output_section::is_relro_local): New function.
3828 (Output_section::set_is_relro_local): New function.
3829 (class Output_segment): Update declarations.
3830 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3831 * sparc.cc (Target_sparc::got_section): Likewise.
3832 * x86_64.cc (Target_x86_64::got_section): Likewise.
3833 * testsuite/relro_test_main.cc: New file.
3834 * testsuite/relro_test.cc: New file.
3835 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3836 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3837 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3838 (relro_test.so, relro_test_pic.o): New targets.
3839 * testsuite/Makefile.in: Rebuild.
3840
a984ee1d
ILT		 38412008-05-16 Ian Lance Taylor <iant@google.com>
3842
01676dcd
ILT		 3843 * output.cc (Output_segment::add_output_section): Remove front
3844 parameter.
3845 * output.h (class Output_segment): Remove
3846 add_initial_output_section and overloaded add_output_section.
3847 Update declaration of remaining add_output_section.
3848 * layout.cc (Layout::create_interp): Call add_output_section
3849 rather than add_initial_output_section.
3850 (Layout::finish_dynamic_section): Likewise.
3851
497897f9
ILT		 3852 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3853 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3854 know the dynamic type.
3855 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3856 field. Initialize it in constructor.
3857 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3858 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3859 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3860 reloc.
3861
a984ee1d
ILT		 3862 * output.cc (Output_reloc::get_address): Change return type to
3863 Elf_Addr.
3864 * output.h (class Output_reloc): Update get_address declaration.
3865 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3866 for section addresses.
3867
55ba0940
ILT		 38682008-05-09 Ian Lance Taylor <iant@google.com>
3869
3870 PR 6493
3871 * gold.cc (gold_nomem): Use return value of write.
3872
75517b77
ILT		 38732008-05-08 Ian Lance Taylor <iant@google.com>
3874
3875 * symtab.c (Symbol::init_base_output_data): Add version
3876 parameter. Change all callers.
3877 (Symbol::init_base_output_segment): Likewise.
3878 (Symbol::init_base_constant): Likewise.
3879 (Symbol::init_base_undefined): Likewise.
3880 (Sized_symbol::init_output_data): Likewise.
3881 (Sized_symbol::init_output_segment): Likewise.
3882 (Sized_symbol::init_constant): Likewise.
3883 (Sized_symbol::init_undefined): Likewise.
3884 (Symbol_table::do_define_in_output_data): If the new symbol has a
3885 version, mark it as the default.
3886 (Symbol_table::do_define_in_output_segment): Likewise.
3887 (Symbol_table::do_define_as_constant): Likewise.
3888 * symtab.h (class Symbol): Update declarations.
3889 (class Sized_symbol): Likewise.
3890 * resolve.cc (Symbol::override_version): New function.
c42e122e 3891 (Symbol::override_base): Call override_version.
75517b77
ILT		 3892 (Symbol::override_base_with_special): Likewise.
3893 * testsuite/ver_script_8.script: New file.
3894 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3895 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3896 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3897 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3898
f1f70eae
ILT		 38992008-05-06 Ian Lance Taylor <iant@google.com>
3900
f3e9c5c5
ILT		 3901 PR 6049
3902 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3903 functions.
3904 (class General_options): Remove existing --undefined, and add
3905 --no-undefined instead. Add new --undefined as synonym for -u.
3906 * archive.cc (Archive::add_symbols): Check whether symbol was
3907 named with -u.
3908 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3909 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3910 all uses. Add IS_UNDEFINED. Update declarations to split
3911 different versions of init_base. Declare init_base_undefined.
3912 (Symbol::is_defined): Handle IS_UNDEFINED.
3913 (Symbol::is_undefined): Likewise.
3914 (Symbol::is_weak_undefined): Call is_undefined.
3915 (Symbol::is_absolute): Handle IS_CONSTANT.
3916 (class Sized_symbol): Update declarations to split different
3917 versions of init. Declare init_undefined.
3918 (class Symbol_table): Declare new functions.
3919 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3920 Change all callers.
3921 (Symbol::init_base_output_data): Likewise.
3922 (Symbol::init_base_output_segment): Likewise.
3923 (Symbol::init_base_constant): Likewise.
3924 (Symbol::init_base_undefined): New function.
3925 (Sized_symbol::init_object): Rename from init. Change all
3926 callers.
3927 (Sized_symbol::init_output_data): Likewise.
3928 (Sized_symbol::init_output_segment): Likewise.
3929 (Sized_symbol::init_constant): Likewise.
3930 (Sized_symbol::init_undefined): New function.
3931 (Symbol_table::add_undefined_symbols_from_command_line): New
3932 function.
3933 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3934 function.
3935 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3936 (Symbol::output_section): Likewise.
3937 (Symbol::set_output_section): Likewise.
3938 (Symbol_table::sized_finalize_symbol): Likewise.
3939 (Symbol_table::sized_write_globals): Likewise.
3940 * resolve.cc (Symbol_table::should_override): Likewise.
3941 (Symbol::override_base_with_special): Likewise.
3942
8bdcdf2c
ILT		 3943 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3944 symbol, change it to have default visibility.
3945 * testsuite/protected_1.cc: New file.
3946 * testsuite/protected_2.cc: New file.
3947 * testsuite/protected_3.cc: New file.
3948 * testsuite/protected_main_1.cc: New file.
3949 * testsuite/protected_main_2.cc: New file.
3950 * testsuite/protected_main_3.cc: New file.
3951 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3952 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3953 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3954 (protected_1.so): New target.
3955 (protected_1_pic.o, protected_2_pic.o): New targets.
3956 (protected_3_pic.o): New target.
3957 (check_PROGRAMS): Add protected_2.
3958 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3959 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3960 * testsuite/Makefile.in: Rebuild.
3961
2b706932
ILT		 3962 * options.h (DEFINE_var): Add set_user_set_##varname__.
3963 (DEFINE_bool_alias): New macro.
3964 (class General_options): Define -Bstatic using DEFINE_bool_alias
3965 rather than DEFINE_special. Add --undefined as an alias for -z
3966 defs.
3967 * options.cc (General_options::parse_Bstatic): Remove.
3968
d82a5bcc
ILT		 3969 * options.h (class General_options): Add --fatal-warnings.
3970 * main.cc (main): Implement --fatal-warnings.
3971 * errors.h (Errors::warning_count): New function.
3972
f1f70eae
ILT		 3973 * options.h (class General_options): Add -Bsymbolic-functions.
3974 * symtab.h (Symbol::is_preemptible): Check for
3975 -Bsymbolic-functions.
3976
8825ac63
ILT		 39772008-05-05 Ian Lance Taylor <iant@google.com>
3978
d98bc257
ILT		 3979 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3980 as noVARNAME rather than no-VARNAME.
3981 (class General_options): Add option -z combreloc.
3982 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3983 get_address.
3984 (Output_reloc::sort_before) [SHT_REL]: New function.
3985 (Output_reloc::sort_before) [SHT_RELA]: New function.
3986 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3987 Sort_relocs_comparison.
3988 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3989 parameter. Change all callers.
3990 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3991 sort_relocs parameter. Change all callers.
3992 * output.cc (Output_reloc::get_address): New function, broken out
3993 of write_rel.
3994 (Output_reloc::write_rel): Call it.
3995 (Output_reloc::compare): New function.
3996 (Output_data_reloc_base::do_write): Optionally sort relocs.
3997
60b2b4e7
ILT		 3998 * configure.ac: If targ_extra_obj is set, link it in.
3999 * configure.tgt: Initialize all variables.
4000 (x86_64*): Set targ_extra_obj and targ_extra_size.
4001 * configure: Rebuild.
4002
8825ac63
ILT		 4003 * object.cc (Sized_relobj::include_section_group): Adjust section
4004 indexes read from group data. Build vector to pass to
4005 layout_group.
4006 * layout.cc (Layout::layout_group): Add flags and shndxes
4007 parameters. Remove contents parameter. Change caller. Update
4008 explicit instantiations.
4009 * layout.h (class Layout): Update layout_group declaration.
4010 * output.cc (Output_data_group::Output_data_group): Add flags and
4011 input_shndxes parameters. Remove contents parameter. Change
4012 caller.
4013 (Output_data_group::do_write): Change input_sections_ to
4014 input_shndxes_.
4015 * output.h (class Output_data_group): Update constructor
4016 declaration. Rename input_sections_ to input_shndxes_.
4017 * testsuite/many_sections_test.cc: Add template.
4018
e94cf127
CC		 40192008-04-30 Cary Coutant <ccoutant@google.com>
4020
4418b2d5
CC		 4021 * target-reloc.h (relocate_section): Fix dead-pointer bug.
4022
e94cf127
CC		 4023 * layout.cc (Layout::include_section): Refactored check for debug
4024 info section.
4025 (Layout::add_comdat): Add new parameters. Change type
4026 of signature parameter. Add object and shndx to signatures table.
4027 (Layout::find_kept_object): New function.
4028 * layout.h: Include <cstring>.
4029 (Layout::is_debug_info_section): New function.
4030 (Layout::add_comdat): Add new parameters.
4031 (Layout::find_kept_object): New function.
4032 (Layout::Kept_section): New struct.
4033 (Layout::Signatures): Change type of map range.
4034 * object.cc (Relobj::output_section_address): New function.
4035 (Sized_relobj::include_section_group): Add new parameters. Change
4036 calls to Layout::add_comdat. Change to build table of kept comdat
4037 groups and table mapping discarded sections to kept sections.
4038 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
4039 (Sized_relobj::do_layout): Change calls to include_section_group and
4040 include_linkonce_section.
4041 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4042 value to zero when section is discarded.
4043 (Sized_relobj::map_to_kept_section): New function.
4044 * object.h (Relobj::output_section_address): New function.
4045 (Relobj::Comdat_group): New type.
4046 (Relobj::find_comdat_group): New function.
4047 (Relobj::Comdat_group_table): New type.
4048 (Relobj::Kept_comdat_section): New type.
4049 (Relobj::Kept_comdat_section_table): New type.
4050 (Relobj::add_comdat_group): New function.
4051 (Relobj::set_kept_comdat_section): New function.
4052 (Relobj::get_kept_comdat_section): New function.
4053 (Relobj::comdat_groups_): New field.
4054 (Relobj::kept_comdat_sections_): New field.
4055 (Symbol_value::input_value): Update comment.
4056 (Sized_relobj::map_to_kept_section) New function.
4057 (Sized_relobj::include_linkonce_section): Add new parameter.
4058 * target-reloc.h (Comdat_behavior): New type.
4059 (get_comdat_behavior): New function.
4060 (relocate_section): Add code to map a discarded section to the
4061 corresponding kept section when applying a relocation.
4062
e4e5049b
CS		 40632008-04-30 Craig Silverstein <csilvers@google.com>
4064
4065 * dwarf_reader.cc (next_generation_count): New static var.
4066 (Addr2line_cache_entry): New struct.
4067 (addr2line_cache): New static var.
4068 (Dwarf_line_info::one_addr2line): Added caching.
4069 (Dwarf_line_info::clear_addr2line_cache): New function.
4070 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4071 cache-size parameter.
4072 (Dwarf_line_info::one_addr2line_cache): New function.
4073 * symtab.cc (Symbol_table::detect_odr_violations): Pass
4074 new cache-size argument to one_addr2line(), and clear cache.
4075
d09e9154
CC		 40762008-04-28 Cary Coutant <ccoutant@google.com>
4077
4078 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4079 R_386_PC8 relocations.
4080
7ef73768
ILT		 40812008-04-23 Ian Lance Taylor <iant@google.com>
4082
55438702
ILT		 4083 * object.cc (Sized_relobj::include_section_group): Check for
4084 invalid section group.
4085
c165fb93
ILT		 4086 * object.cc (make_elf_object): Correct test for 64-bit ELF file
4087 header size.
4088
7ef73768
ILT		 4089 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4090 than read for file header.
4091 * archive.cc (Archive::include_member): Likewise.
4092
6194aaab
L		 40932008-04-23 Paolo Bonzini <bonzini@gnu.org>
4094
4095 * aclocal.m4: Regenerate.
4096 * configure: Regenerate.
4097
d491d34e
ILT		 40982008-04-19 Ian Lance Taylor <iant@google.com>
4099
5ea2bac6
ILT		 4100 * version.cc (version_string): Bump to 1.6.
4101
7bc3e21a
ILT		 4102 * testsuite/Makefile.am (many_sections_r_test): New target.
4103 (many_sections_r_test_SOURCES): Remove.
4104 (many_sections_r_test_DEPENDENCIES): Remove.
4105 (many_sections_r_test_LDFLAGS): Remove.
4106 (many_sections_r_test_LDADD): Remove.
4107
7fcd3aa9
ILT		 4108 * object.cc (Sized_relobj::do_add_symbols): Always pass
4109 local_symbol_count_ to add_from_relobj.
4110
4c94d6ae
ILT		 4111 * testsuite/Makefile.am (many_sections_check.h): Only check one in
4112 every thousand variables.
4113 * testsuite/Makefile.in: Rebuild.
4114
d491d34e
ILT		 4115 * object.cc (Xindex::initialize_symtab_xindex): New function.
4116 (Xindex::read_symtab_xindex): New function.
4117 (Xindex::sym_xindex_to_shndx): New function.
4118 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4119 available.
4120 (Sized_relobj::do_initialize_xindex): New function.
4121 (Sized_relobj::do_read_symbols): Adjust section links.
4122 (Sized_relobj::symbol_section_and_value): Add is_ordinary
4123 parameter. Change all callers.
4124 (Sized_relobj::include_section_group): Adjust section links and
4125 symbol section indexes.
4126 (Sized_relobj::do_layout): Adjust section links.
4127 (Sized_relobj::do_count_local_symbols): Adjust section links and
4128 symbol section indexes.
4129 (Sized_relobj::do_finalize_local_symbols): Distinguish between
4130 ordinary and special symbols.
4131 (Sized_relobj::write_local_symbols): Add symtab_xindex and
4132 dynsym_xindex parameters. Change all callers. Adjust section
4133 links. Use SHN_XINDEX when needed.
4134 (Sized_relobj::get_symbol_location_info): Adjust section links.
4135 Don't get fooled by special symbols.
4136 * object.h (class Xindex): Define.
4137 (class Object): Add xindex_ parameter. Declare virtual functoin
4138 do_initialize_xindex.
4139 (Object::adjust_sym_shndx): New function.
4140 (Object::set_xindex): New protected function.
4141 (class Symbol_value): Add is_ordinary_shndx_ field.
4142 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4143 (Symbol_value::value): Assert ordinary section.
4144 (Symbol_value::initialize_input_to_output_map): Likewise.
4145 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4146 Change all callers.
4147 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
4148 all callers.
4149 (class Sized_relobj): Update declarations.
4150 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4151 parameter. Change all callers.
4152 (Sized_relobj::adjust_shndx): New function.
4153 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4154 field.
4155 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4156 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
4157 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
4158 (Sized_dynobj::read_dynsym_section): Adjust section links.
4159 (Sized_dynobj::read_dynamic): Likewise.
4160 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
4161 section links.
4162 (Sized_dynobj::do_initialize_xindex): New function.
4163 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
4164 do_initialize_xindex.
4165 (Sized_dynobj::adjust_shndx): New function.
4166 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4167 dynsym_xindex_ fields.
4168 (Layout::finalize): Add a call to set_section_indexes before
4169 creating the symtab sections.
4170 (Layout::set_section_indexes): Don't do anything if the section
4171 already has a section index.
4172 (Layout::create_symtab_sections): Add shnum parameter. Change
4173 caller. Create .symtab_shndx section if needed.
4174 (Layout::create_shdrs): Add shstrtab_section parameter. Change
4175 caller.
4176 (Layout::allocated_output_section_count): New function.
4177 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4178 needed.
4179 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4180 fields. Update declarations.
4181 (Layout::symtab_xindex): New function.
4182 (Layout::dynsym_xindex): New function.
4183 (class Write_symbols_task): Add layout_ field.
4184 (Write_symbols_task::Write_symbols_task): Add layout parameter.
4185 Change caller.
4186 * output.cc (Output_section_headers::Output_section_headers): Add
4187 shstrtab_section parameter. Change all callers.
4188 (Output_section_headers::do_sized_write): Store overflow values
4189 for section count and section string table section index in
4190 section header zero.
4191 (Output_file_header::do_sized_write): Check for overflow of
4192 section count and section string table section index.
4193 (Output_symtab_xindex::do_write): New function.
4194 (Output_symtab_xindex::endian_do_write): New function.
4195 * output.h (class Output_section_headers): Add shstrtab_section_.
4196 Update declarations.
4197 (class Output_symtab_xindex): Define.
4198 (Output_section::has_out_shndx): New function.
4199 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4200 field.
4201 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4202 Change all callers.
4203 (Sized_symbol::init): Likewise.
4204 (Symbol::output_section): Check for ordinary symbol.
4205 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
4206 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
4207 callers.
4208 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4209 Change all callers. Simplify handling of symbols from sections
4210 not included in the link.
4211 (Symbol_table::add_from_dynobj): Handle ordinary symbol
4212 distinction.
4213 (Weak_alias_sorter::operator()): Assert that symbols are
4214 ordinary.
4215 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4216 distinction.
4217 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4218 parameters. Change all callers.
4219 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
4220 symbol distinction. Use SHN_XINDEX when needed.
4221 (Symbol_table::write_section_symbol): Add symtab_xindex
4222 parameter. Change all callers.
4223 (Symbol_table::sized_write_section_symbol): Likewise. Use
4224 SHN_XINDEX when needed.
4225 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
4226 declarations.
4227 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
4228 (Symbol::is_defined): Check is_ordinary.
4229 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4230 (Symbol::is_absolute, Symbol::is_common): Likewise.
4231 (class Sized_symbol): Update declarations.
4232 (class Symbol_table): Update declarations.
4233 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4234 parameters. Change all callers.
4235 (Sized_symbol::override): Likewise.
4236 (Symbol_table::override): Likewise.
4237 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
4238 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
4239 is_ordinary, and orig_st_shndx parameters. Change all callers.
4240 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4241 to be in an ordinary section.
4242 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4243 object and is_ordinary parameters. Change all callers.
4244 (Sized_dwarf_line_info::read_relocs): Add object parameter.
4245 Change all callers. Don't add undefined or non-ordinary symbols
4246 to reloc_map_.
4247 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4248 Change all callers.
4249 * dwarf_reader.h (class Sized_dwarf_line_info): Update
4250 declarations.
4251 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4252 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4253 (Sized_relobj::relocate_sections): Likewise.
4254 * target-reloc.h (scan_relocs): Adjust section symbol index.
4255 (scan_relocatable_relocs): Likewise.
4256 * i386.cc (Scan::local): Check for ordinary symbols.
4257 * sparc.cc (Scan::local): Likewise.
4258 * x86_64.cc (Scan::local): Likewise.
4259 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4260 to symbol_section_and_value.
4261 * testsuite/many_sections_test.cc: New file.
4262 * testsuite/Makefile.am (BUILT_SOURCES): Define.
4263 (check_PROGRAMS): Add many_sections_test.
4264 (many_sections_test_SOURCES): Define.
4265 (many_sections_test_DEPENDENCIES): Define.
4266 (many_sections_test_LDFLAGS): Define.
4267 (BUILT_SOURCES): Add many_sections_define.h.
4268 (many_sections_define.h): New target.
4269 (BUILT_SOURCES): Add many_sections_check.h.
4270 (many_sections_check.h): New target.
4271 (check_PROGRAMS): Add many_sections_r_test.
4272 (many_sections_r_test_SOURCES): Define.
4273 (many_sections_r_test_DEPENDENCIES): Define.
4274 (many_sections_r_test_LDFLAGS): Define.
4275 (many_sections_r_test_LDADD): Define.
4276 (many_sections_r_test.o): New target.
4277 * testsuite/Makefile.in: Rebuild.
4278
c5818ff1
CC		 42792008-04-17 Cary Coutant <ccoutant@google.com>
4280
4281 * errors.cc (Errors::info): New function.
4282 (gold_info): New function.
4283 * errors.h (Errors::info): New function.
4284 * gold.h (gold_info): New function.
4285 * object.cc (Input_objects::add_object): Print trace output.
4286 * options.cc (options::parse_set): New function.
4287 (General_options::parse_wrap): Deleted.
4288 (General_options::General_options): Deleted initializer.
4289 * options.h (options::String_set): New typedef.
4290 (options::parse_set): New function.
4291 (DEFINE_set): New macro.
4292 (General_options::wrap): Changed to use DEFINE_set. Changed
4293 callers of any_wrap_symbols and is_wrap_symbol.
4294 (General_options::trace, General_options::trace_symbol):
4295 New options.
4296 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4297 (General_options::wrap_symbols_): Deleted.
4298 * symtab.cc (Symbol_table::add_from_object): Print trace output.
4299
b5be4a7c
DM		 43002008-04-17 David S. Miller <davem@davemloft.net>
4301
4302 * options.cc (General_options::parse_V): New function.
4303 * options.h: Add entries for -V and -Qy.
4304
155a0dd7
ILT		 43052008-04-17 Ian Lance Taylor <iant@google.com>
4306
4307 * common.cc (Symbol_table::allocate_commons): Remove options
4308 parameter. Change caller.
4309 (Symbol_table::do_allocate_commons): Remove options parameter.
4310 Change caller. Just call do_allocate_commons_list twice.
4311 (Symbol_table::do_allocate_commons_list): New function, broken out
4312 of do_allocate_commons.
4313 * common.h (class Allocate_commons_task): Remove options_ field.
4314 Update constructor.
4315 * symtab.cc (Symbol_table::Symbol_table): Initialize
4316 tls_commons_.
4317 (Symbol_table::add_from_object): Put TLS common symbols on
4318 tls_commons_ list.
4319 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4320 which are IN_OUTPUT_DATA.
4321 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
4322 allocate_commons and do_allocate_commons declarations. Declare
4323 do_allocate_commons_list.
4324 * gold.cc (queue_middle_tasks): Update creation of
4325 Allocate_commons_task to not pass options.
4326 * testsuite/Makefile.am (INCLUDES): Add -I.. .
4327 (TLS_TEST_C_FLAGS): New variable.
4328 (tls_test_c_pic.o): New target.
4329 (tls_test_shared.so): Link in tls_test_c_pic.o.
4330 (tls_test_c_pic_ie.o): New target.
4331 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4332 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4333 (tls_test_c.o): New target.
4334 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4335 (tls_pic_test_LDADD): Likewise.
4336 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4337 (tls_shared_gd_to_ie_test_LDADD): Likewise.
4338 (tls_test_c_gnu2.o): New target.
4339 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4340 tls_test_c_gnu2.o.
4341 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4342 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4343 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4344 * testsuite/tls_test.cc: Include "config.h".
4345 (t_last): Call t11_last.
4346 * testsuite/tls_test.h (t11, t11_last): Declare.
4347 * testsuite/tls_test_c.c: New file.
4348 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4349 * configure.ac: Check for OpenMP support.
4350 * configure, config.in, Makefile.in: Rebuild.
4351 * testsuite/Makefile.in: Rebuild.
4352
edfbb029
CC		 43532008-04-16 Cary Coutant <ccoutant@google.com>
4354
4355 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4356 (Target_i386::tls_base_symbol_defined_): New field.
4357 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4358 (Target_i386::Scan::global): Likewise.
4359 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4360 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4361 (Target_x86_64::tls_base_symbol_defined_): New field.
4362 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4363 (Target_x86_64::Scan::global): Likewise.
4364
f3c69fca
CC		 43652008-04-16 Cary Coutant <ccoutant@google.com>
4366
4367 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4368 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4369 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4370 building shared libraries.
4371 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4372 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4373 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4374 * testsuite/Makefile.in: Rebuild.
4375 * testsuite/weak_undef.h: New file.
4376 * testsuite/weak_undef_file1.cc: Add extra test cases.
4377 * testsuite/weak_undef_file2.cc: Likewise.
4378 * testsuite/weak_undef_test.cc: Likewise.
4379
7c414435
DM		 43802008-04-16 David S. Miller <davem@davemloft.net>
4381
32b769e1
DM		 4382 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4383 Add issued_non_pic_error_ field. Declare check_non_pic.
4384 (Target_sparc::Scan::check_non_pic): New function.
4385 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4386 (Target_sparc::Scan::global): Likewise.
4387
11936fb1
DM		 4388 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4389 * configure: Rebuild.
4390
7c414435
DM		 4391 * options.h (DEFINE_enable): New macro.
4392 (new_dtags): New enable option.
4393 (initfirst, interpose, loadfltr, nodefaultlib,
4394 nodelete, nodlopen, nodump): New -z options.
4395 * layout.cc (Layout:finish_dynamic_section): If new
4396 dtags enabled, emit DT_RUNPATH. Also, emit a
4397 DT_FLAGS_1 containing any specified -z flags.
4398
85c7bf8b
ILT		 43992008-04-16 Ian Lance Taylor <iant@google.com>
4400
12c0daef
ILT		 4401 * copy-relocs.cc: New file.
4402 * copy-relocs.h: New file.
4403 * reloc.cc: Remove Copy_relocs code.
4404 * reloc.h: Likewise.
4405 * reloc-types.h (struct Reloc_types) [both versions]: Add
4406 get_reloc_addend_noerror.
4407 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4408 variants of add_global which take an addend which must be zero.
4409 * i386.cc: Include "copy-relocs.h".
4410 (class Target_i386): Change type of copy_relocs_ to variable,
4411 update initializer.
4412 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4413 Change all callers.
4414 (Target_i386::do_finalize_sections): Change handling of
4415 copy_relocs_.
4416 * sparc.cc: Include "copy-relocs.h".
4417 (class Target_sparc): Change type of copy_relocs_ to variable,
4418 update initializer.
4419 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4420 Change all callers.
4421 (Target_sparc::do_finalize_sections): Change handling of
4422 copy_relocs_.
4423 * x86_64.cc: Include "copy-relocs.h".
4424 (class Target_x86_64): Change type of copy_relocs_ to variable,
4425 update initializer.
4426 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4427 class. Change all callers.
4428 (Target_x86_64::do_finalize_sections): Change handling of
4429 copy_relocs_.
4430 * Makefile.am (CCFILES): Add copy-relocs.cc.
4431 (HFILES): Add copy-relocs.h.
4432
4f4995b6
ILT		 4433 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4434
85c7bf8b
ILT		 4435 * testsuite/script_test_4.sh: Permit leading zeroes.
4436
4f2a9edd
ILT		 44372008-04-15 Ian Lance Taylor <iant@google.com>
4438
e6188289
ILT		 4439 * script-sections.cc (Script_sections::create_segments): Use
4440 header_size_adjustment even when there is enough room for the
4441 headers.
4442 * testsuite/script_test_4.sh: New file.
4443 * testsuite/script_test_4.t: New file.
4444 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4445 (check_DATA): Add script_test_4.stdout.
4446 (MOSTLYCLEANFILES): Likewise.
4447 (script_test_4): New target.
4448 (script_test_4.stdout): New target.
4449 * testsuite/Makefile.in: Rebuild.
4450
4f2a9edd
ILT		 4451 * sparc.cc: Add definitions for Output_data_plt_sparc class
4452 constants.
4453
f5314dd5
DM		 44542008-04-14 David S. Miller <davem@davemloft.net>
4455
4456 * sparc.cc: New file.
4457 * Makefile.am (TARGETSOURCES): Add sparc.cc
4458 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4459 * configure.tgt: Document targ_extra_size and
4460 targ_extra_big_endian. Add entries for sparc-* and
4461 sparc64-*.
4462 * configure.ac: Handle targ_extra_size and
4463 targ_extra_big_endian.
4464 * Makefile.in: Rebuild.
4465 * configure: Likewise.
4466 * po/POTFILES.in: Likewise.
4467 * po/gold.pot: Likewise.
4468
154e0e9a
ILT		 44692008-04-14 Ian Lance Taylor <iant@google.com>
4470
4471 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4472 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4473 in the name/type/flags to section mapping. Don't call
4474 allocate_output_section.
4475 (Layout::choose_output_section): Change parameter from adjust_name
4476 to is_input_section. Don't permit input sections after sections
4477 are attached to segments. Don't call allocate_output_section.
4478 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4479 not write_enable_output_section.
4480 (Layout::make_output_section): Don't push to
4481 unattached_section_list_ nor call attach_to_segment. Call
4482 attach_section_to_segment if sections are attached.
4483 (Layout::attach_sections_to_segments): New function.
4484 (Layout::attach_section_to_segment): New function.
4485 (Layout::attach_allocated_section_to_segment): Rename from
4486 attach_to_segment. Remove flags parameter.
4487 (Layout::allocate_output_section): Remove function.
4488 (Layout::write_enable_output_section): Remove function.
4489 * layout.h (class Layout): Update for above changes. Add new
4490 field sections_are_attached_.
4491 * output.h (Output_section::update_flags_for_input_section): New
4492 function.
4493 * output.cc (Output_section::add_input_section): Call
4494 update_flags_for_input_section.
4495 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4496
009a67a2
CC		 44972008-04-11 Cary Coutant <ccoutant@google.com>
4498
4499 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4500 thought unnecessary.
4501 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4502
759b1a24
ILT		 45032008-04-11 Ian Lance Taylor <iant@google.com>
4504
4505 * output.h (class Output_section_data): Remove inline definition
4506 of set_addralign.
4507 * output.cc (Output_section_data::set_addralign): New function.
4508
c2b45e22
CC		 45092008-04-11 Cary Coutant <ccoutant@google.com>
4510
4511 Add support for TLS descriptors for i386 and x86_64.
4512 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4513 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4514 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4515 GOT_TYPE_TLS_DESC.
4516 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4517 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4518 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4519 relocations.
4520 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4521 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4522 Fix problem with initial-exec relocations.
4523 (Target_i386::Relocate::relocate_tls): Likewise.
4524 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4525 relaxation.
4526 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4527 support for section-plus-offset dynamic table entries.
4528 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4529 (Output_data_dynamic::Dynamic_entry): Add support for
4530 section-plus-offset dynamic table entries.
4531 (Output_data_dynamic::Classification): Likewise.
4532 (Output_data_dynamic::classification_): Renamed offset_.
4533 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4534 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4535 (Target_x86_64::make_plt_section): New function.
4536 (Target_x86_64::reserve_tlsdesc_entries): New function.
4537 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4538 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4539 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4540 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4541 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4542 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4543 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4544 add extra PLT entry for TLS descriptors.
4545 (Output_data_plt_x86_64::got_): New field.
4546 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4547 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4548 fields.
4549 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4550 descriptors.
4551 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4552 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4553 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4554 R_386_TLS_DESC_CALL relocations.
4555 (Target_x86_64::Scan::global): Likewise.
4556 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4557 for TLS descriptors.
4558 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4559 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4560 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4561 GD-to-IE relaxation.
4562 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4563 and TLS_DESCRIPTORS.
4564 * Makefile.in: Rebuild.
4565 * configure: Rebuild.
4566 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4567 (tls_test_shared2.so): New target.
4568 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4569 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4570 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4571 (tls_shared_gd_to_ie_test_LDADD): New variable.
4572 (tls_shared_gnu2_gd_to_ie_test): New target.
4573 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4574 New targets.
4575 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4576 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4577 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4578 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4579 (tls_shared_gnu2_test): New target.
4580 (tls_test_gnu2_shared.so): New target.
4581 (tls_shared_gnu2_test_SOURCES): New variable.
4582 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4583 (tls_shared_gnu2_test_LDFLAGS): New variable.
4584 (tls_shared_gnu2_test_LDADD): New variable.
4585 * testsuite/Makefile.in: Rebuild.
4586 * testsuite/Makefile.
4587
83bfb6b7
ILT		 45882008-04-11 Ian Lance Taylor <iant@google.com>
4589
4590 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4591 justsyms.t.
4592 * testsuite/Makefile.in: Rebuild.
4593
4594 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4595 long.
4596 * testsuite/script_test_2.cc (main): Adjust test.
4597
706e1f5e
ILT		 45982008-04-11 David S. Miller <davem@davemloft.net>
4599 Ian Lance Taylor <iant@google.com>
4600
4601 * options.h (General_options): Add entries for '-Y' and
4602 '-relax'.
4603 * options.cc (General_options:finalize): If -Y was used, add those
4604 entries to the library path instead of the default "/lib" and
4605 "/usr/lib".
4606
7c98e6bb
DM		 46072008-04-11 David S. Miller <davem@davemloft.net>
4608
4609 * testsuite/justsyms.t: Start at 0x100.
4610 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 4611 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4612 long.
4613 * testsuite/script_test_2.cc: Adjust string and section length
4614 checks.
7c98e6bb 4615
99a37bfd
ILT		 46162008-04-09 Ian Lance Taylor <iant@google.com>
4617
2cefc357
ILT		 4618 PR gold/5996
4619 * script-sections.cc (Sections_element::allocate_to_segment): Add
4620 orphan parameter.
4621 (Output_section_definition::allocate_to_segment): Likewise.
4622 (Orphan_output_section::allocate_to_segment): Likewise.
4623 (Script_sections::attach_sections_using_phdrs_clause): Don't
4624 propagate non-PT_LOAD segments to orphan sections.
4625 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4626 readelf rather than objdump.
4627 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4628 .interp section and PT_INTERP segment are the same size.
4629 * testsuite/Makefile.in: Rebuild.
4630
99a37bfd
ILT		 4631 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4632 aliases for symbols defined in the same object.
4633 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4634 (weak_alias_test_SOURCES): New variable.
4635 (weak_alias_test_DEPENDENCIES): New variable.
4636 (weak_alias_test_LDFLAGS): New variable.
4637 (weak_alias_test_LDADD): New variable.
4638 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4639 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4640 (weak_alias_test_3.o): New target.
4641 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4642 * testsuite/weak_alias_test_main.cc: New file.
4643 * testsuite/weak_alias_test_1.cc: New file.
4644 * testsuite/weak_alias_test_2.cc: New file.
4645 * testsuite/weak_alias_test_3.cc: New file.
4646
780e49c5
ILT		 46472008-04-08 Ian Lance Taylor <iant@google.com>
4648
cdb0b8f5
ILT		 4649 * options.h (class General_options): Add --noinhibit-exec option.
4650 * main.cc (main): Check --noinhibit-exec.
4651
0864d551
ILT		 4652 * options.h (class General_options): Define --wrap as a special
4653 option. Add wrap_symbols_ field.
4654 (General_options::any_wrap_symbols): New function.
4655 (General_options::is_wrap_symbol): New function.
4656 * options.cc (General_options::parse_wrap): New function.
4657 (General_options::General_options): Initialize wrap_symbols_.
4658 * symtab.cc (Symbol_table::wrap_symbol): New function.
4659 (Symbol_table::add_from_object): Handle --wrap.
4660 * symtab.h (class Symbol_table): Declare wrap_symbol.
4661 * target.h (Target::wrap_char): New function.
4662 (Target::Target_info): Add wrap_char field.
4663 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4664 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4665 * testsuite/testfile.cc (Target_test::test_target_info):
4666 Likewise.
4667
789aa6de
ILT		 4668 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4669 there is one.
4670
2c38906f
ILT		 4671 * layout.h (class Layout): Add added_eh_frame_data_ field.
4672 * layout.cc (Layout::Layout): Initialize new field.
4673 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4674 output section until we find a section we merged successfully.
4675 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4676 that the size be non-zero.
4677
780e49c5
ILT		 4678 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4679 qualifier.
4680
7fcd0256
ILT		 46812008-04-08 Craig Silverstein <csilvers@google.com>
4682
4683 * configure.ac: Export new conditional variable HAVE_ZLIB.
4684 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4685 on HAVE_ZLIB.
4686 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4687 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4688
6835af53
ILT		 46892008-04-07 Ian Lance Taylor <iant@google.com>
4690
e24f324c
ILT		 4691 * version.cc (version_string): Set to "1.5".
4692
a036edd8
ILT		 4693 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4694 Add issued_non_pic_error_ field. Declare check_non_pic.
4695 (Target_x86_64::Scan::check_non_pic): New function.
4696 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4697 (Target_x86_64::Scan::global): Likewise.
4698
624f8810
ILT		 4699 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4700 addend parameter. Change caller. Handle merge sections.
4701 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4702 Address to Addend. Don't add in the result of
4703 local_section_offset, pass down the addend and use the returned
4704 value.
4705 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4706 Update declarations of local_section_offset and symbol_value.
4707 * testsuite/two_file_test_1.cc (t18): New function.
4708 * testsuite/two_file_test_2.cc (f18): New function.
4709 * testsuite/two_file_test_main.cc (main): Call t18.
4710 * testsuite/two_file_test.h (t18, f18): Declare.
4711
6835af53
ILT		 4712 * configure.ac: Don't test for objdump, c++filt, or readelf.
4713 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4714 conditionals.
4715 (TEST_READELF): New variable.
4716 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4717 (check_PROGRAMS): Add two_file_strip_test.
4718 (two_file_strip_test): New target.
4719 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4720 (two_file_same_shared_strip_test_SOURCES): New variable.
4721 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4722 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4723 (two_file_same_shared_strip_test_LDADD): New variable.
4724 (two_file_shared_strip.so): New target.
4725 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4726 (ver_test_5.syms, ver_test_7.syms): Likewise.
4727 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4728 (strip_test_3.stdout): Use TEST_OBJDUMP.
4729 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4730
86925eef
CC		 47312008-04-04 Cary Coutant <ccoutant@google.com>
4732
4733 * symtab.h (Symbol::is_weak_undefined): New function.
4734 (Symbol::is_strong_undefined): New function.
4735 (Symbol::is_absolute): New function.
4736 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4737 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4738 absolute symbols.
4739 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4740 (weak_undef_test): New target.
4741 * testsuite/Makefile.in: Rebuild.
4742 * testsuite/weak_undef_file1.cc: New file.
4743 * testsuite/weak_undef_file2.cc: New file.
4744 * testsuite/weak_undef_test.cc: New file.
4745
126f3ece
ILT		 47462008-04-03 Craig Silverstein <csilvers@google.com>
4747
4748 * compressed_output.h (class Output_compressed_section): Use
4749 unsigned buffer.
4750 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4751 add zlib header.
4752 (zlib_compressed_suffix): Removed.
4753 (Output_compressed_section::set_final_data_size): Use unsigned
4754 buffers.
4755 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4756 Fix linker invocation.
4757 (flagstest_o_specialfile_and_compress_debug_sections):
4758 Likewise.
4759 * testsuite/Makefile.in: Regenerated.
4760
deae2a14
DM		 47612008-04-02 David S. Miller <davem@davemloft.net>
4762
4763 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4764 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4765
70752818
ILT		 47662008-04-02 Craig Silverstein <csilvers@google.com>
4767
4768 * TODO: New file.
4769
39d0cb0e
ILT		 47702008-04-02 Ian Lance Taylor <iant@google.com>
4771
4772 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4773 parameters. Update for new key type to views_. Change all
4774 callers.
4775 (File_read::read): Adjust for byteshift in returned view.
4776 (File_read::add_view): New function, broken out of
4777 find_and_make_view.
4778 (File_read::make_view): New function, broken out of
4779 find_and_make_view.
4780 (File_read::find_or_make_view): Add offset and aligned
4781 parameters. Rewrite accordingly. Change all callers.
4782 (File_read::get_view): Add offset and aligned parameters. Adjust
4783 for byteshift in return value.
4784 (File_read::get_lasting_view): Likewise.
4785 * fileread.h (class File_read): Update declarations.
4786 (class File_read::View): Add byteshift_ field. Add byteshift to
4787 constructor. Add byteshift method.
4788 * archive.h (Archive::clear_uncached_views): New function.
4789 (Archive::get_view): Add aligned parameter. Change all callers.
4790 * object.h (Object::get_view): Add aligned parameter. Change all
4791 callers.
4792 (Object::get_lasting_view): Likewise.
4793
4794 * fileread.cc (File_read::release): Don't call clear_views if
4795 there are multiple objects.
4796 * fileread.h (File_read::clear_uncached_views): New function.
4797 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4798 on the archive.
4799
a1207466
CC		 48002008-03-31 Cary Coutant <ccoutant@google.com>
4801
4802 Add thin archive support.
4803 * archive.cc (Archive::armagt): New const.
4804 (Archive::setup): Remove task parameter and calls to unlock.
4805 (Archive::unlock_nested_archives): New function.
4806 (Archive::read_header): Add nested_off parameter. Change
4807 all callers.
4808 (Archive::interpret_header): Likewise.
4809 (Archive::include_all_members): Change to handle thin
4810 archives.
4811 (Archive::include_member): Likewise.
4812 * archive.h (Archive::Archive): Add new parameters and
4813 initializers.
4814 (Archive::armagt): New const.
4815 (Archive::setup): Remove task parameter.
4816 (Archive::unlock_nested_archives): New function.
4817 (Archive::read_header): Add nested_off parameter.
4818 (Archive::interpret_header): Likewise.
4819 (Archive::Nested_archive_table): New typedef.
4820 (Archive::is_thin_archive_): New field.
4821 (Archive::nested_archives_): New field.
4822 (Archive::options_): New field.
4823 (Archive::dirpath_): New field.
4824 (Archive::task_): New field.
4825 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4826 for thin archives. Pass additional parameters to
4827 Archive::Archive. Unlock the archive file after calling
4828 Archive::setup.
cd536b21 4829
479f6503
ILT		 48302008-03-29 Ian Lance Taylor <iant@google.com>
4831
686c8caf
ILT		 4832 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4833 version symbol to be local.
4834 * testsuite/ver_test_4.sh: New file.
4835 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4836 (check_DATA): Add ver_test_4.syms.
4837 (ver_test_4.syms): New target.
4838 * testsuite/Makefile.in: Rebuild.
4839
ab794b6b
ILT		 4840 * output.cc
4841 (Output_section::Input_section_sort_entry::has_priority): New
4842 function.
4843 (Output_section::Input_section_sort_entry::match_file_name): New
4844 function.
4845 (Output_section::Input_section_sort_entry::match_section_name):
4846 Remove.
4847 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4848 Remove.
4849 (Output_section::Input_section_sort_entry::match_section_file):
4850 Remove.
4851 (Output_section::Input_section_sort_compare::operator()): Rewrite
4852 using new Input_section_sort_entry functions. Sort crtbegin and
4853 crtend first. Sort sections with no priority before sections with
4854 a priority.
4855 * testsuite/initpri1.c (d3): Check j != 4.
4856 (cd5): New constructor/destructor function.
4857 (main): Check j != 2.
4858
479f6503
ILT		 4859 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4860 new symbol when resolving, don't call set_is_default.
4861 * testsuite/ver_test_7.cc: New file.
4862 * testsuite/ver_test_7.sh: New file.
4863 * testsuite/Makefile.am (ver_test_7.so): New target.
4864 (ver_test_7.o): New target.
4865 (check_SCRIPTS): Add ver_test_7.sh.
4866 (check_DATA): Add ver_test_7.syms.
4867 (ver_test_7.syms): New target.
4868
2fd32231
ILT		 48692008-03-28 Ian Lance Taylor <iant@google.com>
4870
4871 * layout.cc (Layout::layout): If we see an input section with a
4872 name that needs sorting, set the must_sort flag for the output
4873 section.
4874 (Layout::make_output_section): If the name of the output section
4875 indicates that it might require sorting, set the may_sort flag.
4876 * output.h (Output_section::may_sort_attached_input_sections): New
4877 function.
4878 (Output_section::set_may_sort_attached_input_sections): New
4879 function.
4880 (Output_section::must_sort_attached_input_sections): New
4881 function.
4882 (Output_section::set_must_sort_attached_input_sections): New
4883 function.
4884 (class Output_section): Declare Input_section_sort_entry. Define
4885 Input_section_sort_compare. Declare
4886 sort_attached_input_sections. Add new fields:
4887 may_sort_attached_input_sections_,
4888 must_sort_attached_input_sections_,
4889 attached_input_sections_are_sorted_.
4890 * output.cc (Output_section::Output_section): Initialize new
4891 fields.
4892 (Output_section::add_input_section): Add an entry to
4893 input_sections_ if may_sort or must_sort are true.
4894 (Output_section::set_final_data_size): Call
4895 sort_attached_input_sections if necessary.
4896 (Output_section::Input_section_sort_entry): Define new class.
4897 (Output_section::Input_section_sort_compare::operator()): New
4898 function.
4899 (Output_section::sort_attached_input_sections): New function.
4900 * configure.ac: Check whether the compiler supports constructor
4901 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4902 * testsuite/initpri1.c: New file.
4903 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4904 CONSTRUCTOR_PRIORITY.
4905 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4906 (initpri1_LDFLAGS): New variable.
4907 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4908
18e6b24e
ILT		 49092008-03-27 Ian Lance Taylor <iant@google.com>
4910
49bdd526
ILT		 4911 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4912 * testsuite/common_test_1.c: New file.
4913 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4914 (common_test_1_SOURCES): New variable.
4915 (common_test_1_DEPENDENCIES): New variable.
4916 (common_test_1_LDFLAGS): New variable.
4917
18e6b24e
ILT		 4918 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4919 and commons_ correctly when NAME/VERSION does not override
4920 NAME/NULL.
4921 * testsuite/ver_test_6.c: New file.
4922 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4923 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4924 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4925
04bf7072
ILT		 49262008-03-26 Ian Lance Taylor <iant@google.com>
4927
5871526f
ILT		 4928 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4929 of an undefined symbol from a version script.
4930 * testsuite/Makefile.am (ver_test_5.so): New target.
4931 (ver_test_5.o): New target.
4932 (check_SCRIPTS): Add ver_test_5.sh.
4933 (check_DATA): Add ver_test_5.syms.
4934 (ver_test_5.syms): New target.
4935 * testsuite/ver_test_5.cc: New file.
4936 * testsuite/ver_test_5.script: New file.
4937 * testsuite/ver_test_5.sh: New file.
4938 * Makefile.in, testsuite/Makefile.in: Rebuild.
4939
04bf7072
ILT		 4940 PR gold/5986
4941 Fix problems building gold with gcc 4.3.0.
4942 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4943 (gold_error_at_location, gold_warning_at_location): Use it.
4944 * configure.ac: Check whether we can compile and use a template
4945 function with a printf attribute.
4946 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4947 when jumping over bytes.
4948 * object.cc: Instantiate Object::read_section_data.
4949 * debug.h: Include <cstring>
4950 * dwarf_reader.cc: Include <algorithm>
4951 * main.cc: Include <cstring>.
4952 * options.cc: Include <cstring>.
4953 * output.cc: Include <cstring>.
4954 * script.cc: Include <cstring>.
4955 * script.h: Include <string>.
4956 * symtab.cc: Include <cstring> and <algorithm>.
4957 * target-select.cc: Include <cstring>.
4958 * version.cc: Include <string>.
4959 * testsuite/testmain.cc: Include <cstdlib>.
4960 * configure, config.in: Rebuild.
4961
874c5b28
ILT		 49622008-03-25 Ian Lance Taylor <iant@google.com>
4963
819d6c3a
ILT		 4964 * options.cc: Include "../bfd/bfdver.h".
4965 (options::help): Print bug reporting address.
4966
f4b2c6f5
ILT		 4967 * version.cc (print_version): Adjust output for current value of
4968 BFD_VERSION_STRING.
4969
4970 * NEWS: New file.
4971
e96caa79
ILT		 4972 * options.cc (options::help): Print list of supported targets.
4973 * target-select.h: Include <vector>.
4974 (class Target_selector): Make machine_, size_, and is_big_endian_
4975 fields const. Add bfd_name_ and instantiated_target_ fields.
4976 (Target_selector::Target_selector): Add bfd_name parameter.
4977 (Target_selector::recognize): Make non-virtual, call
4978 do_recognize.
4979 (Target_selector::recognize_by_name): Make non-virtual, call
4980 do_recognize_by_name.
4981 (Target_selector::supported_names): New function.
4982 (Target_selector::bfd_name): New function.
4983 (Target_selector::do_instantiate_target): New pure virtual
4984 function.
4985 (Target_selector::do_recognize): New virtual function.
4986 (Target_selector::do_recognize_by_name): New virtual function.
4987 (Target_selector::instantiate_target): New private function.
4988 (supported_target_names): Declare.
4989 * target-select.cc (Target_selector::Target_selector): Update for
4990 new parameter and fields.
4991 (select_target_by_name): Check that the name matches before
4992 calling recognize_by_name.
4993 (supported_target_names): New function.
4994 * i386.cc (class Target_selector_i386): Update Target_selector
4995 constructor call. Remove recognize and recognize_by_name. Add
4996 do_instantiate_target.
4997 * x86_64.cc (class Target_selector_x86_64): Likewise.
4998 * testsuite/testfile.cc (class Target_selector_test): Update for
4999 changes to Target_selector.
5000
874c5b28
ILT		 5001 * README: Rewrite, with some notes on unsupported features.
5002
0a65a3a7
CC		 50032008-03-24 Cary Coutant <ccoutant@google.com>
5004
5005 * i386.cc (Target_i386::Got_type): New enum declaration.
5006 (Target_i386::Scan::local): Updated callers of Output_data_got
5007 member functions.
5008 (Target_i386::Scan::global): Likewise.
5009 (Target_i386::Relocate::relocate): Likewise.
5010 (Target_i386::Relocate::relocate_tls): Likewise.
5011 * object.h (Got_offset_list): New class.
5012 (Sized_relobj::local_has_got_offset): Added got_type parameter.
5013 (Sized_relobj::local_got_offset): Likewise.
5014 (Sized_relobj::set_local_got_offset): Likewise.
5015 (Sized_relobj::local_has_tls_got_offset): Removed.
5016 (Sized_relobj::local_tls_got_offset): Removed.
5017 (Sized_relobj::set_local_tls_got_offset): Removed.
5018 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5019 * output.cc (Output_data_got::add_global): Added got_type parameter.
5020 (Output_data_got::add_global_with_rel): Likewise.
5021 (Output_data_got::add_global_with_rela): Likewise.
5022 (Output_data_got::add_global_pair_with_rel): New function.
5023 (Output_data_got::add_global_pair_with_rela): New function.
5024 (Output_data_got::add_local): Added got_type parameter.
5025 (Output_data_got::add_local_with_rel): Likewise.
5026 (Output_data_got::add_local_with_rela): Likewise.
5027 (Output_data_got::add_local_pair_with_rel): New function.
5028 (Output_data_got::add_local_pair_with_rela): New function.
5029 (Output_data_got::add_global_tls): Removed.
5030 (Output_data_got::add_global_tls_with_rel): Removed.
5031 (Output_data_got::add_global_tls_with_rela): Removed.
5032 (Output_data_got::add_local_tls): Removed.
5033 (Output_data_got::add_local_tls_with_rel): Removed.
5034 (Output_data_got::add_local_tls_with_rela): Removed.
5035 * output.h (Output_data_got::add_global): Added got_type parameter.
5036 (Output_data_got::add_global_with_rel): Likewise.
5037 (Output_data_got::add_global_with_rela): Likewise.
5038 (Output_data_got::add_global_pair_with_rel): New function.
5039 (Output_data_got::add_global_pair_with_rela): New function.
5040 (Output_data_got::add_local): Added got_type parameter.
5041 (Output_data_got::add_local_with_rel): Likewise.
5042 (Output_data_got::add_local_with_rela): Likewise.
5043 (Output_data_got::add_local_pair_with_rel): New function.
5044 (Output_data_got::add_local_pair_with_rela): New function.
5045 (Output_data_got::add_global_tls): Removed.
5046 (Output_data_got::add_global_tls_with_rel): Removed.
5047 (Output_data_got::add_global_tls_with_rela): Removed.
5048 (Output_data_got::add_local_tls): Removed.
5049 (Output_data_got::add_local_tls_with_rel): Removed.
5050 (Output_data_got::add_local_tls_with_rela): Removed.
5051 * resolve.cc (Symbol::override_base_with_special): Removed
5052 reference to has_got_offset_ field.
5053 * symtab.cc (Symbol::init_fields): Replaced initialization
5054 of got_offset_ with got_offsets_. Removed initialization
5055 of has_got_offset_
53fcba31 5056 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 5057 (Symbol::got_offset): Likewise.
5058 (Symbol::set_got_offset): Likewise.
5059 (Symbol::has_tls_got_offset): Removed.
5060 (Symbol::tls_got_offset): Removed.
5061 (Symbol::set_tls_got_offset): Removed.
5062 (Symbol::got_offset_): Removed.
5063 (Symbol::tls_mod_got_offset_): Removed.
5064 (Symbol::tls_pair_got_offset_): Removed.
5065 (Symbol::got_offsets_): New field.
5066 (Symbol::has_got_offset): Removed.
5067 (Symbol::has_tls_mod_got_offset): Removed.
5068 (Symbol::has_tls_pair_got_offset): Removed.
5069 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5070 (Target_x86_64::Scan::local): Updated callers of Output_data_got
5071 member functions.
5072 (Target_x86_64::Scan::global): Likewise.
5073 (Target_x86_64::Relocate::relocate): Likewise.
5074 (Target_x86_64::Relocate::relocate_tls): Likewise.
5075
bd52eafb
BE		 50762008-03-25 Ben Elliston <bje@au.ibm.com>
5077
5078 * yyscript.y: Fix spelling error in comment.
5079
8b105e34
ILT		 50802008-03-24 Ian Lance Taylor <iant@google.com>
5081
8ed814a9
ILT		 5082 * options.h (class General_options): Define build_id option.
5083 * layout.h (class Layout): Declare write_build_id, create_note,
5084 create_build_id. Add build_id_note_ member.
5085 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5086 "libiberty.h", "md5.h", "sha1.h".
5087 (Layout::Layout): Initialize eh_frame_data_,
5088 eh_frame_hdr_section_, and build_id_note_.
5089 (Layout::finalize): Call create_build_id.
5090 (Layout::create_note): New function, broken out of
5091 Layout::create_gold_note.
5092 (Layout::create_gold_note): Call create_note.
5093 (Layout::create_build_id): New function.
5094 (Layout::write_build_id): New function.
5095 (Close_task_runner::run): Call write_build_id.
5096
8b105e34
ILT		 5097 * x86_64.cc: Correct license to GPLv3.
5098
086a1841
ILT		 50992008-03-23 Ian Lance Taylor <iant@google.com>
5100
5101 * options.cc: Include "demangle.h".
5102 (parse_optional_string): New function.
5103 (parse_long_option): Handle takes_optional_argument.
5104 (parse_short_option): Update dash_z initializer. Handle
5105 takes_optional_argument.
5106 (General_options::General_options): Initialize do_demangle_.
5107 (General_options::finalize): Set do_demangle_. Handle demangling
5108 style.
5109 * options.h (parse_optional_string): Declare.
5110 (struct One_option): Add optional_arg field. Update constructor.
5111 Update call constructor calls. Add takes_optional_argument
5112 function.
5113 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
5114 (DEFINE_optional_string): Define.
5115 (General_options::demangle): Change from DEFINE_bool to
5116 DEFINE_optional_string.
5117 (General_options::no_demangle): New function.
5118 (General_options::do_demangle): New function.
5119 (General_options::set_do_demangle): New function.
5120 (General_options::execstack_status_): Move definition to end of
5121 class definition.
5122 (General_options::static_): Likewise.
5123 (General_options::do_demangle_): New field.
5124 * object.cc (big_endian>::get_symbol_location_info): Call
5125 Options::do_demangle, not Options::demangle.
5126 * symtab.cc (demangle): Likewise.
5127
cbb93e63
ILT		 51282008-03-22 Ian Lance Taylor <iant@google.com>
5129
5130 * gold.h: Include <cstddef> and <sys/types.h>
5131 * options.h: Include <cstring>.
5132
ec531623
ILT		 51332008-03-21 Ian Lance Taylor <iant@google.com>
5134
5135 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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