* output.cc (Output_file::open): Add execute permission to empty file.
[binutils-gdb.git] / gold / ChangeLog
1 2009-09-08 Cary Coutant <ccoutant@google.com>
2
3 * output.cc (Output_file::open): Add execute permission to empty file.
4 * testsuite/Makefile.am (permission_test): New test.
5 * testsuite/Makefile.in: Regenerate.
6
7 2009-09-02 Ian Lance Taylor <iant@google.com>
8
9 * output.cc (Output_file::resize): Call map_no_anonymous rather
10 than map.
11
12 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
13
14 * gold.cc: Include "incremental.h".
15 (queue_initial_tasks): Call Incremental_checker methods.
16 * incremental.cc: Include "output.h".
17 (Incremental_checker::can_incrementally_link_output_file): New
18 method.
19 * incremental.h (Incremental_checker): New class.
20
21 * output.cc (Output_file::open_for_modification): New method.
22 (Output_file::map_anonymous): Changed return type to bool. Record
23 map in base_ field.
24 (Output_file::map_no_anonymous): New method, broken out of map.
25 (Output_file::map): Use map_no_anonymous and map_anonymous.
26 * output.h (class Output_file): Update declarations.
27
28 2009-08-24 Cary Coutant <ccoutant@google.com>
29
30 * options.h (Command_line::Pre_options): New class.
31 (Command_line::pre_options): New member.
32 * options.cc (gold::options::ready_to_register): New variable.
33 (One_option::register_option): Do nothing if not registering options.
34 Assert if same short option registered twice.
35 (General_options::General_options): Turn off option registration when
36 done constructing.
37 (Command_line::Pre_options::Pre_options): New constructor.
38
39 2009-08-24 Cary Coutant <ccoutant@google.com>
40
41 * options.h (General_options::no_keep_memory): Remove incorrect
42 short option.
43
44 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
45
46 * Makefile.am (am__skiplex, am__skipyacc): New.
47 * Makefile.in: Regenerate.
48
49 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
50
51 * Makefile.am (AM_CPPFLAGS): Renamed from ...
52 (INCLUDES): ... this.
53 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
54 (AM_CPPFLAGS): Renamed from ...
55 (INCLUDE): ... this.
56 * Makefile.in, testsuite/Makefile.in: Regenerate.
57
58 * Makefile.in: Regenerate.
59 * aclocal.m4: Likewise.
60 * config.in: Likewise.
61 * configure: Likewise.
62 * testsuite/Makefile.in: Likewise.
63
64 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
65 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
66 * Makefile.in: Regenerate.
67 * testsuite/Makefile.in: Regenerate.
68
69 2009-08-19 Cary Coutant <ccoutant@google.com>
70
71 * resolve.cc (Symbol_table::resolve): Don't complain about defined
72 symbols in shared libraries overridden by hidden or internal symbols
73 in the main program.
74
75 2009-08-19 Chris Demetriou <cgd@google.com>
76
77 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
78 checking source file names in error messages.
79
80 2009-08-18 Doug Kwan <dougkwan@google.com>
81
82 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
83 an elcpp::Ehdr as parameter. Adjust call to set_target.
84 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
85 an elfcpp::Ehdr as parameter.
86 * object.cc (Object::set_target): Remove the version that looks up
87 a target and sets it.
88 (Sized_relobj::setup): Take a Target object instead of
89 an elfcpp::Ehdr as parameter. Adjust call to set_target.
90 (make_elf_sized_object): Find target and ask target to
91 make an ELF object.
92 * object.h: (Object::set_target): Remove the version that looks up
93 a target and sets it.
94 (Sized_relobj::setup): Take a Target object instead of
95 an elfcpp:Ehdr as parameter.
96 * target.cc: Include dynobj.h.
97 (Target::do_make_elf_object_implementation): New.
98 (Target::do_make_elf_object): New.
99 * target.h (Target::make_elf_object): New template declaration.
100 (Target::do_make_elf_object): New method declarations.
101 (Target::do_make_elf_object_implementation): New template declaration.
102
103 2009-08-14 Ian Lance Taylor <iant@google.com>
104
105 * gold.h (FUNCTION_NAME): Define.
106 (gold_unreachable): Use FUNCTION_NAME.
107
108 2009-08-12 Sriraman Tallam <tmsriram@google.com>
109
110 * icf.cc (Icf::find_identical_sections): Issue a warning when a
111 symbol in the --keep-unique list is not found.
112
113 2009-08-12 Sriraman Tallam <tmsriram@google.com>
114
115 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
116 been maked as --keep-unique.
117 (Icf::unfold_section): New function.
118 * icf.h (Icf::unfold_section): New function.
119 * options.h (General_options::keep_unique): New option.
120 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
121 * testsuite/Makefile.in: Regenerate.
122 * testsuite/icf_keep_unique_test.sh: New file.
123 * testsuite/icf_keep_unique_test.cc: New file.
124
125 2009-08-12 Cary Coutant <ccoutant@google.com>
126
127 PR 10471
128 * resolve.cc (Symbol_table::resolve): Check for references from
129 dynamic objects to hidden and internal symbols.
130 * testsuite/Makefile.am (hidden_test.sh): New test.
131 * testsuite/Makefile.in: Regenerate.
132 * testsuite/hidden_test.sh: New script.
133 * testsuite/hidden_test_1.c: New test source.
134 * testsuite/hidden_test_main.c: New test source.
135
136 2009-08-11 Doug Kwan <dougkwan@google.com>
137
138 * arm.cc: Update comments.
139 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
140 segment to locate the .ARM.exidx section if present.
141
142 2009-08-09 Doug Kwan <dougkwan@google.com>
143
144 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
145 patch.
146
147 2009-08-07 Sriraman Tallam <tmsriram@google.com>
148 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
149 compiler warnings.
150
151 2009-08-06 Sriraman Tallam <tmsriram@google.com>
152
153 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
154 valid tls_segment only for non-debug-section relocations.
155 * testsuite/Makefile.am: Add gc_tls_test.
156 * testsuite/Makefile.in: Regenerate.
157 * testsuite/gc_tls_test.cc: New file.
158 * testsuite/gc_tls_test.sh: New file.
159
160 2009-08-05 Sriraman Tallam <tmsriram@google.com>
161
162 * icf.cc: New file.
163 * icf.h: New file.
164 * Makefile.am (CCFILES): Add icf.cc.
165 (HFILES): Add icf.h
166 * Makefile.in: Regenerate.
167 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
168 * gc.h (gc_process_relocs): Populate lists used by icf to contain
169 section, symbol and addend information for the relocs.
170 * gold.cc (queue_middle_tasks): Call identical code folding.
171 * gold.h: Add defines for multimap.
172 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
173 to the call of finalize_local_symbols.
174 * main.cc (main): Create object of class Icf.
175 * object.cc (Sized_relobj::do_layout): Allow this function to be
176 called twice during icf.
177 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
178 to sections marked as identical by icf.
179 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
180 when available.
181 (Sized_relobj::do_section_entsize): New function.
182 * object.h (Object::section_entsize): New function.
183 (Object::do_section_entsize): New pure virtual function.
184 (Relobj::finalize_local_symbols): Add new parameter.
185 (Relobj::do_section_entsize): New function.
186 * options.h (General_options::icf): New option.
187 (General_options::icf_iterations): New option.
188 (General_options::print_icf_sections): New option.
189 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
190 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
191 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
192 icf.
193 * symtab.cc (Symbol_table::is_section_folded): New function.
194 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
195 to sections marked as identical by icf.
196 * symtab.h (Symbol_table::set_icf): New function.
197 (Symbol_table::icf): New function.
198 (Symbol_table::is_section_folded): New function.
199 (Symbol_table::icf_): New data member.
200 * target-reloc.h (relocate_section): Ignore sections folded by icf.
201 * testsuite/Makefile.am: Add commands to build icf_test.
202 * testsuite/Makefile.in: Regenerate.
203 * testsuite/icf_test.sh: New file.
204 * testsuite/icf_test.cc: New file.
205
206 2009-07-24 Chris Demetriou <cgd@google.com>
207
208 * layout.cc (is_compressible_debug_section): Fix incorrect
209 comment about compressed section names.
210
211 2009-07-20 Ian Lance Taylor <ian@airs.com>
212
213 PR 10419
214 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
215
216 2009-07-16 Ian Lance Taylor <iant@google.com>
217
218 PR 10400
219 * layout.h: #include <map>.
220 (class Kept_section): Change from struct to class. Add accessors
221 and setters. Add section size to Comdat_group mapping. Change
222 Comdat_group to std::map. Add is_comdat_ field. Add
223 linkonce_size field in union.
224 (class Layout): Update declaration of find_or_add_kept_section.
225 Don't declare find_kept_object.
226 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
227 parameter. Add object, shndx, is_comdat, and is_group_name
228 parameters. Change all callers. Adjust for new Kept_section.
229 (Layout::find_kept_object): Remove.
230 * object.cc (Sized_relobj::include_section_group): Update use of
231 Kept_section. Rename secnum to shndx. Only record
232 Kept_comdat_section if sections are the same size.
233 (Sized_relobj::include_linkonce_section): Update use of
234 Kept_section. Only record Kept_comdat_section if sections are the
235 same size. Set size of linkonce section.
236 (Sized_relobj::map_to_kept_section): Update call to
237 get_kept_comdat_section.
238 * object.h (class Sized_relobj): Rename fields in
239 Kept_comdat_section to drop trailing underscores; change object
240 field to Relobj*. Change Kept_comdat_section_table to store
241 struct rather than pointer.
242 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
243 Add kept_object and kept_shndx parameters. Change all callers.
244 (Sized_relobj::get_kept_comdat_section): Change return type to
245 bool. Add kept_object and kept_shndx parameters. Change all
246 callers.
247 * plugin.cc (Pluginobj::include_comdat_group): Update call to
248 Layout::find_or_add_kept_section.
249
250 2009-07-09 Ian Lance Taylor <iant@google.com>
251
252 * merge.cc (Object_merge_map::initialize_input_to_output_map):
253 Reserve space in the hash table.
254
255 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
256
257 * fileread.cc (File_read::get_mtime): New method.
258 * fileread.h (Timespec): New structure.
259 (File_read::get_mtime): New method.
260 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
261 Renamed from timestamp_nsec.
262 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
263 Elf_Xword.
264 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
265 timestamp_nsec.
266 (Incremental_inputs::report_archive): Save mtime; style fix.
267 (Incremental_inputs::report_obejct): Save mtime; style fix.
268 (Incremental_inputs::report_script): Save mtime; style fix.
269 (Incremental_inputs::finalize_inputs): Style fix.
270 (Incremental_inputs::finalize): Style fix.
271 (Incremental_inputs::create_input_section_data): Store inputs
272 mtime.
273 * incremental.h (Incremental_inputs::report_script): Add mtime
274 argument.
275 (Incremental_inputs::Input_info::Input_info): Intialize only one
276 union member.
277 (Incremental_inputs::Input_info::archive): Move to nameless
278 union.
279 (Incremental_inputs::Input_info::obejct): Move to nameless union.
280 (Incremental_inputs::Input_info::script): Move to nameless union.
281 (Incremental_inputs::mtime): New field.
282 * script.cc (read_input_script): Pass file mtime to
283 Incremental_input.
284 * script.h (Script_info::inputs): Style fix.
285
286 2009-07-01 Ian Lance Taylor <ian@airs.com>
287
288 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
289 instead of 32.
290
291 2009-06-24 Ian Lance Taylor <iant@google.com>
292
293 PR 10156
294 * layout.cc (Layout::choose_output_section): If we find an
295 existing section, update the flags.
296 (Layout::create_notes): New function, broken out of
297 Layout::finalize.
298 (Layout::finalize): Don't create note sections.
299 (Layout::create_note): Don't crash if linker script discards
300 section.
301 (Layout::create_gold_note): Likewise.
302 (Layout::create_build_id): Likewise. Don't set
303 after_input_sections on the section.
304 (Layout::create_executable_stack_info): Remove target parameter.
305 Change caller.
306 * layout.h (class Layout): Declare create_notes. Update
307 declaration of create_executable_stack_info.
308 * gold.cc (queue_middle_tasks): Call create_notes.
309 * output.cc (Output_section::update_flags_for_input_section): Move
310 here from output.h. If SHF_ALLOC flag is newly set, mark address
311 invalid.
312 * output.h (Output_data::mark_address_invalid): New function.
313 (class Output_section): Only declare, not define,
314 update_flags_for_input_section. Remove set_flags.
315
316 2009-06-24 Ian Lance Taylor <iant@google.com>
317
318 * script-sections.cc (Output_section_definition::
319 set_section_addresses): Rename shadowing local load_address to
320 laddr.
321
322 2009-06-24 Ian Lance Taylor <iant@google.com>
323
324 PR 10244
325 * reloc.cc (relocate_sections): Skip empty relocation sections.
326
327 2009-06-23 Ian Lance Taylor <iant@google.com>
328
329 PR 10156
330 * layout.cc (Layout::create_note): Use choose_output_section
331 rather than make_output_section.
332
333 2009-06-23 Ian Lance Taylor <iant@google.com>
334
335 PR 10237
336 * options.cc (General_options::parse_V): Set printed_version_.
337 (General_options::General_options): Initialize printed_version_.
338 * options.h (class General_options): Add printed_version_ field.
339 * gold.cc (queue_initial_tasks): If there are no input files,
340 don't give a fatal error if we printed the version information.
341 (queue_middle_tasks): If using -r with a shared object, give a
342 fatal error rather than an ordinary error.
343
344 2009-06-23 Ian Lance Taylor <iant@google.com>
345
346 PR 10219
347 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
348 (Layout::make_output_section): Set have_stabstr_section_ if we see
349 a .stab*str section.
350 (Layout::finalize): Call link_stabs_sections.
351 (Layout::link_stabs_sections): New file.
352 * layout.h (class Layout): Add have_stabstr_section_ field.
353 Declare link_stabs_sections.
354
355 2009-06-23 Doug Kwan <dougkwan@google.com>
356
357 * Makefile.am (libgold_a_LIBADD): New.
358 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
359 * Makefile.in: Regenerate.
360 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
361 * configure: Regenerate.
362 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
363 * fileread.cc: Include sys/state.h
364 * gold.h: Declare memmem and strndup if found missing.
365 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
366
367 2009-06-23 Ian Lance Taylor <iant@google.com>
368
369 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
370 * configure: Rebuild.
371
372 2009-06-23 Ian Lance Taylor <iant@google.com>
373
374 PR 10147
375 * object.cc (Object::section_contents): Don't try to get a view if
376 the section has length zero.
377 (Object::handle_gnu_warning_section): If the section is empty, use
378 the name of the section as the warning.
379
380 2009-06-23 Ian Lance Taylor <iant@google.com>
381
382 PR 10133
383 * stringpool.h (class Stringpool_template): Add optimize_ field.
384 (Stringpool_template::set_optimize): New function.
385 * stringpool.cc (Stringpool_template::Stringpool_template):
386 Initialize optimize_ field.
387 (Stringpool_template::set_string_offsets): Test local optimize
388 fild rather than parameter.
389 * layout.cc (Layout::Layout): Call set_optimize on the section
390 name stringpool.
391
392 2009-06-22 Ian Lance Taylor <iant@google.com>
393
394 PR 10030
395 * yyscript.y: Parse TARGET.
396 * script.cc (script_set_target): New function.
397 * script-c.h (script_set_target): Declare.
398 * options.cc (General_options::string_to_object_format): Rename
399 from string_to_object_format in anonymous namespace. Change
400 callers.
401 * options.h (class General_options): Declare
402 string_to_object_format.
403
404 2009-06-22 Ian Lance Taylor <iant@google.com>
405
406 * script-sections.cc (Script_sections::create_segments): Don't put
407 program headers in a PT_LOAD segment if -n or -N.
408
409 2009-06-22 Ian Lance Taylor <iant@google.com>
410
411 PR 10141
412 * options.h (class General_options): Add -z lazy and -z now. Sort
413 -z options into alphabetical order.
414 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
415
416 2009-06-21 Ian Lance Taylor <iant@google.com>
417
418 * layout.cc (Layout::make_output_section): Call
419 Target::new_output_section.
420 (Layout::attach_allocated_section_to_segment): Put large section
421 sections in a separate load segment with the large segment flag
422 set.
423 (Layout::segment_precedes): Sort large data segments after other
424 load segments.
425 (align_file_offset): New static function.
426 (Layout::set_segment_offsets): Use align_file_offset.
427 * output.h (class Output_section): Add is_small_section_ and
428 is_large_section_ fields.
429 (Output_section::is_small_section): New function.
430 (Output_section::set_is_small_section): New function.
431 (Output_section::is_large_section): New function.
432 (Output_section::set_is_large_section): New function.
433 (Output_section::is_large_data_section): New function.
434 (class Output_segment): Add is_large_data_segment_ field.
435 (Output_segment::is_large_data_segment): New function.
436 (Output_segment::set_is_large_data_segment): New function.
437 * output.cc (Output_section::Output_section): Initialize new
438 fields.
439 (Output_segment::Output_segment): Likewise.
440 (Output_segment::add_output_section): Add assertion that large
441 data sections always go in large data segments. Force small data
442 sections to the end of the list of data sections. Force small BSS
443 sections to the start of the list of BSS sections. For large BSS
444 sections to the end of the list of BSS sections.
445 * symtab.h (class Symbol): Declare is_common_shndx.
446 (Symbol::is_defined): Check Symbol::is_common_shndx.
447 (Symbol::is_common): Likewise.
448 (class Symbol_table): Define enum Commons_section_type. Update
449 declarations. Add small_commons_ and large_commons_ fields.
450 * symtab.cc (Symbol::is_common_shndx): New function.
451 (Symbol_table::Symbol_table): Initialize new fields.
452 (Symbol_table::add_from_object): Put small and large common
453 symbols in the right list.
454 (Symbol_table::sized_finalized_symbol): Check
455 Symbol::is_common_shndx.
456 (Symbol_table::sized_write_globals): Likewise.
457 * common.cc (Symbol_table::do_allocate_commons): Allocate new
458 common symbol lists. Don't call do_allocate_commons_list if the
459 list is empty.
460 (Symbol_table::do_allocate_commons_list): Remove is_tls
461 parameter. Add comons_section_type parameter. Change all
462 callers. Handle small and large common symbols.
463 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
464 Symbol::is_common_shndx.
465 * resolve.cc (symbol_to_bits): Likewise.
466 * target.h (Target::small_common_shndx): New function.
467 (Target::small_common_section_flags): New function.
468 (Target::large_common_shndx): New function.
469 (Target::large_common_section_flags): New function.
470 (Target::new_output_section): New function.
471 (Target::Target_info): Add small_common_shndx, large_common_shndx,
472 small_common_section_flags, and large_common_section_flags
473 fields.
474 (Target::do_new_output_section): New virtual function.
475 * arm.cc (Target_arm::arm_info): Initialize new fields.
476 * i386.cc (Target_i386::i386_info): Likewise.
477 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
478 Likewise.
479 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
480 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
481 (Target_x86_64::do_new_output_section): New function.
482 * configure.ac: Define conditional MCMODEL_MEDIUM.
483 * testsuite/Makefile.am (check_PROGRAMS): Add large.
484 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
485 (large_LDFLAGS): Define.
486 * testsuite/large.c: New file.
487 * testsuite/testfile.cc (Target_test::test_target_info):
488 Initialize new fields.
489 * configure, testsuite/Makefile.in: Rebuild.
490
491 2009-06-05 Doug Kwan <dougkwan@google.com>
492
493 * Makefile.am (CCFILES): Add target.cc.
494 * Makefile.in: Regenerate.
495 * i386.cc (class Target_i386): Define new virtual method to
496 override do_is_local_label_name in parent.
497 * object.cc (Sized_relobj::do_count_local_symbols): Discard
498 local symbols if --discard-locals or -X is given.
499 * options.h (class General_options): Declare new options
500 '--discard-locals' and '-X' for discarding locals.
501 * target.h (class Target): Define new methods is_local_label_name.
502 Declare new virtual method do_is_local_label_name.
503 * target.cc: New file.
504 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
505 (check_SCRIPTS): Add discard_locals_test.sh.
506 (check_DATA): Add discard_local_tests.syms.
507 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
508 (discard_local_tests.syms, discard_locals_test.o): New make rules.
509 * testsuite/Makefile.in: Regenerate.
510 * testsuite/discard_locals_test.c: New file.
511 * testsuite/discard_locals_test.sh: Same.
512
513 2009-06-05 Doug Kwan <dougkwan@google.com>
514
515 * object.cc (Sized_relobj::Sized_relobj): Initialize
516 discarded_eh_frame_shndx_ to -1U.
517 (Sized_relobj::do_layout): Record index of a discard .eh_frame
518 section.
519 (Sized_relobj::do_count_local_symbols): Skip local symbols in
520 a discarded .eh_frame section.
521 (Sized_relobj::do_finalize_local_symbols): Ditto.
522 * object.h (class Sized_relobj): Declare new member
523 discarded_eh_frame_shndx_.
524 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
525 (local_labels_test.o, local_labels_test): New rules.
526 * testsuite/Makefile.in: Regenerate.
527
528 2009-06-04 Doug Kwan <dougkwan@google.com>
529
530 * layout.cc (Layout::section_name_mapping): Add mapping for
531 special ARM sections.
532
533 2009-06-03 Doug Kwan <dougkwan@google.com>
534
535 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
536 (utils::has_overflow): Same.
537
538 2009-06-03 Ian Lance Taylor <iant@google.com>
539
540 * layout.cc (Layout::section_name_mapping): New array, replacing
541 Layout::linkonce_mapping.
542 (Layout::section_name_mapping_count): New variable, replacing
543 Layout::linkonce_mapping_count.
544 (Layout::linkonce_output_name): Remove.
545 (Layout::output_section_name): Rewrite.
546 * layout.h (class Layout): Rename Linkonce_mapping to
547 Section_name_mapping, linkonce_mapping to section_name_mapping,
548 linkonce_mapping_count to section_name_mapping_count. Don't
549 declare linkonce_output_name.
550
551 2009-06-03 Doug Kwan <dougkwan@google.com>
552
553 * gold/arm.cc (namespace utils): New.
554 (Target_arm::reloc_is_non_pic): Define new method.
555 (class Arm_relocate_functions): New.
556 (Target_arm::Relocate::relocate): Handle relocation types used by
557 Android.
558
559 2009-06-03 Ian Lance Taylor <iant@google.com>
560
561 * arm.cc (Target_arm::scan::global): Use || instead of |.
562
563 2009-06-02 Doug Kwan <dougkwan@google.com>
564
565 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
566 issued_non_pic_error_.
567 (class Target_arm::Scan): Declare new method check_non_pic.
568 Define new method symbol_needs_plt_entry.
569 Declare new data member issued_non_pic_error_.
570 (class Target_arm::Relocate): Declare new method
571 should_apply_static_reloc.
572 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
573 (Target_arm::Scan::check_non_pic): Define new method.
574 (Target_arm::Scan::local): Handle a small subset of reloc types used
575 by Android.
576 (Target_arm::Scan::local): Same.
577 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
578
579 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
580
581 * incremental.cc (Incremental_inputs::report_command_line): Filter
582 out --incremental-* options.
583
584 2009-05-29 Doug Kwan <dougkwan@google.com>
585
586 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
587 template class.
588 (class Target_arm): Update comment.
589 (Target_arm::Target_arm): Initialize new data members GOT_,
590 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
591 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
592 and Target_arm::rel_dyn_section.
593 Declare new_enum Target_arm::Got_type.
594 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
595 and DYNBSS_.
596 Update commments for member do_dynsym_value.
597 (Target_arm::got_size, Target_arm::plt_section,
598 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
599 new methods inside class defintion.
600 (Target_arm::got_section): Define new method.
601 (Target_arm::rel_dyn_section): Same.
602 (Output_data_plt_arm): New template class.
603 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
604 (Output_data_plt_arm:do_adjust_output_section): Define new method.
605 (Output_data_plt_arm::add_entry): Same.
606 (Output_data_plt_arm::first_plt_entry): Define new
607 static data member for PLT instruction template.
608 (Output_data_plt_arm::plt_entry): Same.
609 (Output_data_plt_arm::do_write): Define new method.
610 (Target_arm::make_plt_entry): Same.
611 (Target_arm::do_finalize_sections): Same.
612 (Target_arm::do_dynsym_value): Same.
613
614 2009-05-28 Doug Kwan <dougkwan@google.com>
615
616 * Makefile.am (TARGETSOURCES): Add arm.cc.
617 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
618 * Makefile.in: Regenerate.
619 * arm.cc: New file.
620 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
621
622 2009-05-26 Doug Kwan <dougkwan@google.com>
623
624 * options.cc (General_options::parse_exclude_libs). Fix a comment.
625 (General_options::check_excluded_libs): Strip off directories in
626 archive name before matching like GNU ld does.
627 * testsuite/Makefile.am (MOSTLYCLEANFILES,
628 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
629 (exclude_libs_test_LDFLAGS): Add linker option
630 -Wl,--exclude-libs,libexclude_libs_test_3
631 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
632 an explicit archive without using -l.
633 (alt/libexclude_libs_test_3.a): New make rule.
634 * testsuite/Makefile.in: Regenerate.
635 * testsuite/exclude_libs_test.c : Declare lib3_default().
636 (main): Call it.
637 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
638 * exclude_libs_test_3.c: New file.
639
640 2009-05-26 Nick Clifton <nickc@redhat.com>
641
642 * po/id.po: New Indonesian translation.
643 * po/gold.pot: Updated template file.
644
645 2009-05-22 Sriraman Tallam <tmsriram@google.com>
646
647 * testsuite/Makefile.am: Add -ffunction-sections to compile
648 gc_comdat_test files. Add -Wl,--gc-sections to build
649 gc_comdat_test.
650 * testsuite/Makefile.in: Regenerate.
651 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
652
653 2009-05-21 Sriraman Tallam <tmsriram@google.com>
654
655 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
656 kept comdat section was garbage collected.
657 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
658 * testsuite/Makefile.in: Regenerate.
659 * testsuite/gc_comdat_test.sh: New file.
660 * testsuite/gc_comdat_test_1.cc: New file.
661 * testsuite/gc_comdat_test_2.cc: New file.
662
663 2009-05-19 Doug Kwan <dougkwan@google.com>
664
665 * archive.cc (Archive::Archive): Move constructor from archive.h
666 to here. Initialize no_export_.
667 (Archive::get_elf_object_for_member): Set no_export flag of object.
668 * archive.h (Archive::Archive): Move constructor body to
669 archive.cc.
670 (Archive::no_export): New method.
671 (Archive::no_export_): New field.
672 * object.h (Object::Object): Initialize no_export_ to false.
673 (Object::no_export, Object::set_no_export): New methods.
674 (Object::no_export_): New field.
675 * options.cc (General_options::parse_exclude_libs): New method.
676 (General_options::check_excluded_libs) Same.
677 * options.h (exclude_libs): New option.
678 (General_options::check_excluded_libs): New method declaration.
679 (General_options::excluded_libs_): New field.
680 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
681 default or protected visibility if an object has no-export flag set.
682 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
683 (check_SCRIPTS): Add exclude_libs_test.sh.
684 (check_DATA): Add exclude_libs_test.syms.
685 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
686 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
687 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
688 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
689 (exclude_libs_test.syms, libexclude_libs_test_1.a,
690 libexclude_libs_test_2.a): New rules.
691 * testsuite/Makefile.in: Regenerate.
692 * testsuite/exclude_libs_test.c: New file.
693 * testsuite/exclude_libs_test.sh: Ditto.
694 * testsuite/exclude_libs_test_1.c: Ditto.
695 * testsuite/exclude_libs_test_2.c: Ditto.
696
697 2009-05-15 Ian Lance Taylor <iant@google.com>
698
699 * configure.ac: Check for declarations for cases where libiberty.h
700 checks HAVE_DECL_xxx.
701 * configure, config.in: Rebuild.
702
703 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
704
705 * gold.h (Incremental_argument_list): Remove (invalid) forward
706 declaration.
707 * incremental.cc (Incremental_inputs::report_achive): New method.
708 (Incremental_inputs::report_object): New method.
709 (Incremental_inputs::report_script): New method.
710 (Incremental_inputs::finalize_inputs): New method.
711 (Incremental_inputs::finalize): Call finalize_inputs().
712 (Incremental_inputs::sized_create_incremental_inputs_section_data):
713 Create inputs entries.
714 * incremental.h (Incremental_input_type): New enum.
715 (Incremental_inputs::Incremental_input): Initialize new fields.
716 (Incremental_inputs::report_inputs): New method.
717 (Incremental_inputs::report_achive): New method.
718 (Incremental_inputs::report_object): New method.
719 (Incremental_inputs::report_script): New method.
720 (Incremental_inputs::finalize_inputs): New method.
721 (Incremental_inputs::Input_info): New struct.
722 (Incremental_inputs::Input_info_map): New typedef.
723 (Incremental_inputs::lock_): New field.
724 (Incremental_inputs::Inputs_): New field.
725 (Incremental_inputs::Inputs_map): New field.
726 * main.cc (main): Call Incremental_input::report_inputs.
727 * options.h (Input_argument_list): Typedef moved from
728 Input_arguments.
729 (Input_file_group::Files): Remove, use ::Input_argument_list.
730 (Input_file_group::Input_argument_list): Remove, use
731 ::Input_argument_list.
732 * plugin.cc (Plugin_manager::add_input_file): Add error in
733 incremental build.
734 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
735 functions.
736 * script.cc (read_input_script): Call
737 Incremental_input::report_script.
738 * script.h (Script_info): New class.
739
740 2009-04-27 Ian Lance Taylor <iant@google.com>
741
742 * x86_64.cc (do_adjust_output_section): Set entsize to
743 plt_entry_size.
744
745 2009-04-23 Elliott Hughes <enh@google.com>
746
747 * output.cc (Output_file::close): After short writes, continue
748 writing from the correct offset in the buffer being written.
749
750 2009-04-23 Chris Demetriou <cgd@google.com>
751
752 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
753 * configure: Regenerate.
754 * config.in: Regenerate.
755 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
756 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
757
758 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
759
760 * incremental.cc (Incremental_inputs_header_data): Renamed from
761 Incremental_input_header_data.
762 (Incremental_inputs_header_data::data_size): New field.
763 (Incremental_inputs_header_data::put_input_file_count): Renamed
764 from input_file_count.
765 (Incremental_inputs_header_data::put_command_line_offset): Renamed
766 from command_line_offset.
767 (Incremental_inputs_header_data::put_reserved): Renamed from
768 put_reserved.
769 (Incremental_inputs_entry_data): Renamed from
770 Incremental_input_entry_data.
771 (Incremental_inputs_entry_data::data_size): New field.
772 (Incremental_inputs::report_command_line): New method.
773 (Incremental_inputs::finalize): New method.
774 (Incremental_inputs::create_incremental_inputs_data): New method.
775 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
776 * incremental.h: New file.
777 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
778 (Layout::finalize): Create incremental inputs section in
779 incremental builds.
780 (Layout::create_incremental_info_sections): New method.
781 * layout.h (Layout::incremental_inputs): New method.
782 (Layout::create_incremental_info_sections): New method.
783 (Layout::incremental_inputs_): New field.
784 * main.cc (main): Notify Incremental_input of the command line.
785
786 2009-04-01 Ian Lance Taylor <iant@google.com>
787 Mikolaj Zalewski <mikolajz@google.com>
788
789 * gold.h (reserve_unordered_map): Define, three versions, one for
790 each version of Unordered_map.
791 * layout.cc (Layout::Layout): Remove options parameter. Add
792 number_of_input_files parameter. Don't initialize options_.
793 Initialize number_of_input_files_ and resized_signatures_. Move
794 sections_are_attached_.
795 (Layout::layout_group): Reserve space for group_signatures_.
796 (Layout::find_or_add_kept_section): Change name parameter to be a
797 reference. Resize signatures_ map when it gets large enough.
798 (Layout::layout_eh_frame): Use parameters->options() instead of
799 this->options_.
800 (Layout::make_output_section): Likewise.
801 (Layout::attach_allocated_section_to_segment): Likewise.
802 (Layout::finalize, Layout::create_executable_stack): Likewise.
803 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
804 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
805 * layout.h (class Layout): Update declarations. Remove options_
806 field. Add number_of_input_files_ and resized_signatures_
807 fields. Move sections_are_attached_ field.
808 * main.cc (main): Pass number of input files to Layout
809 constructor. Don't pass options.
810
811 2009-03-30 Ian Lance Taylor <iant@google.com>
812
813 * ffsll.c (ffsll): Correct implementation.
814
815 2009-03-27 Ian Lance Taylor <iant@google.com>
816
817 * ffsll.c: New file.
818 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
819 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
820 * ftruncate.c (ftruncate): Declare before definition.
821 * mremap.c (mremap): Likewise.
822 * pread.c (pread): Likewise.
823 * configure, Makefile.in, config.in: Rebuild.
824
825 * mremap.c: New file.
826 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
827 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
828 (mremap): Declare if HAVE_MREMAP is not defined.
829 * configure, Makefile.in, config.in: Rebuild.
830
831 2009-03-27 Cary Coutant <ccoutant@google.com>
832
833 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
834 position independent.
835 * sparc.cc (Target_sparc::check_non_pic): Likewise.
836 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
837
838 2009-03-24 Cary Coutant <ccoutant@google.com>
839
840 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
841 an executable.
842 (needs_dynamic_reloc): Likewise.
843
844 2009-03-24 Ian Lance Taylor <iant@google.com>
845
846 * yyscript.y (file_cmd): Recognize EXTERN.
847 (extern_name_list, extern_name_list_body): New nonterminals.
848 * script.cc (script_add_extern): Define.
849 * script-c.h (script_add_extern): Declare.
850
851 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
852
853 * object.cc (is_elf_object): Define.
854 * object.h (is_elf_object): Declare.
855 * archive.cc (Archive::get_elf_object_for_member): Call
856 is_elf_object.
857 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
858
859 2009-03-24 Elliott Hughes <enh@google.com>
860
861 * output.cc (Output_file::map_anonymous): Define.
862 (Output_file::map): Use map_anonymous. If the regular mmap fails,
863 try an anonymous one. Report the size if the mmap fails.
864 * output.h (class Output_file): Declare map_anonymous.
865
866 2009-03-24 Ian Lance Taylor <iant@google.com>
867
868 * target-select.cc (instantiate_target): Don't acquire the lock if
869 the instantiated_target_ field has already been set.
870
871 2009-03-23 Ian Lance Taylor <iant@google.com>
872
873 * gold-threads.h (class Initialize_lock): Define.
874 * gold-threads.cc (class Initialize_lock_once): Define.
875 (initialize_lock_control): New static variable.
876 (initialize_lock_pointer): New static variable.
877 (initialize_lock_once): New static function.
878 (Initialize_lock::Initialize_lock): Define.
879 (Initialize_lock::initialize): Define.
880 * target-select.h: Include "gold-threads.h".
881 (class Target_selector): Add lock_ and initialize_lock_ fields.
882 Don't define instantiate_target, just declare it.
883 * target-select.cc (Target_selector::Target_selector): Initialize
884 new fields.
885 (Target_selector::instantiate_target): Define.
886 * descriptors.h: Include "gold-threads.h".
887 (class Descriptors): Add initialize_lock_ field.
888 * descriptors.cc (Descriptors::Descriptors): Initialize new
889 field.
890 (Descriptors::open): Use initialize_lock_ field
891 * errors.h (class Errors): Add initialize_lock_ field.
892 * errors.cc (Errors::Errors): Initialize new field.
893 (Errors::initialize_lock): Use initialize_lock_ field.
894 * powerpc.cc (class Target_selector_powerpc): Remove
895 instantiated_target_ field. In do_recognize call
896 instantiate_target rather than do_instantiate_target. In
897 do_instantiate_target just allocate a new target.
898 * sparc.cc (class Target_selector_sparc): Likewise.
899
900 * freebsd.h: New file.
901 * i386.cc: Include "freebsd.h".
902 (Target_i386): Derive from Target_freebsd rather than
903 Sized_target.
904 (Target_selector_i386): Derive from Target_selector_freebsd rather
905 than Target_selector.
906 * x86_64.cc: Include "freebsd.h".
907 (Target_x86_64): Derive from Target_freebsd rather than
908 Sized_target.
909 (Target_selector_x86_64): Derive from Target_selector_freebsd
910 rather than Target_selector.
911 * target.h (class Target): Add adjust_elf_header and
912 do_adjust_elf_header.
913 * output.cc (Output_file_header:: do_sized_write): Call target
914 adjust_elf_header routine.
915 * configure.tgt: Set targ_osabi.
916 * configure.ac: Define GOLD_DEFAULT_OSABI.
917 * parameters.cc (Parameters::default_target): Pass
918 GOLD_DEFAULT_OSABI to select_target.
919 * target-select.h (class Target_selector): Make instantiate_target
920 protected rather than private.
921 * Makefile.am (HFILES): Add freebsd.h.
922 * configure, Makefile.in, config.in: Rebuild.
923
924 * merge.cc (do_add_input_section): Correct pend value. Change
925 message about last entry not being null terminated from error to
926 warning.
927
928 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
929
930 * incremental.cc: New file.
931 * Makefile.am (CCFILES): Add incremental.cc.
932 * Makefile.in: Rebuild.
933
934 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
935
936 * layout.cc (Layout::output_section_name): Preserve names
937 of '.note.' sections.
938
939 2009-03-19 Ian Lance Taylor <iant@google.com>
940
941 * descriptors.cc (Descriptors::open): Check that the options are
942 valid before using them.
943
944 2009-03-18 Ian Lance Taylor <iant@google.com>
945
946 * script-sections.h: Include <list>.
947 (class Script_sections): Change Sections_elements from std::vector
948 to std::list. Typedef public Elements_iterator. Add
949 orphan_section_placement_, data_segment_align_start_, and
950 saw_data_segment_align_ fields. Remove data_segment_align_index_
951 field.
952 * script-sections.cc (class Orphan_section_placement): New class.
953 (class Sections_element): Add virtual functions is_relro and
954 orphan_section_init. Remove virtual function place_orphan_here.
955 (class Output_section_definition): Add is_relro and
956 orphan_section_init. Remove place_orphan_here.
957 (class Orphan_output_section): Likewise.
958 (Script_sections::Script_sections): Update for field changes.
959 (Script_sections::data_segment_align): Set saw_data_segment_align_
960 and data_segment_align_start_, not data_segment_align_index.
961 (Script_sections::data_segment_relro_end): Check
962 saw_data_segment_align_. Use data_segment_align_start_ rather
963 than data_segment_align_index_.
964 (Script_sections::place_orphan): Rewrite to use
965 Orphan_section_placement.
966
967 2009-03-17 Ian Lance Taylor <iant@google.com>
968
969 * archive.cc (Archive::add_symbols): Check for a version attached
970 to the symbol name in the archive map.
971 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
972 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
973 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
974 (ver_test_11.a): New target.
975 * testsuite/Makefile.in: Rebuild.
976
977 * configure.ac: Check for chsize and posix_fallocate. Replace
978 ftruncate.
979 * ftruncate.c: New file, from gnulib.
980 * output.cc (posix_fallocate): Define dummy version if not
981 HAVE_POSIX_FALLOCATE.
982 (Output_file::map): Call posix_fallocate rather than lseek and
983 write.
984 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
985 * configure, Makefile.in, config.in: Rebuild.
986
987 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
988
989 * layout.h (Layout::create_note): Add section_name parameter.
990 * layout.cc (Layout::create_note): Likewise.
991 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
992
993 2009-03-17 Ian Lance Taylor <iant@google.com>
994
995 * descriptors.cc: Include "options.h".
996 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
997 (Descriptors::open): Always use O_CLOEXEC when opening a new
998 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
999 then set FD_CLOEXEC.
1000
1001 * sparc.cc (class Target_sparc): Add has_got_section.
1002 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1003 make sure we have a GOT section.
1004
1005 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1006 (Target_sparc::Scan::local): Likewise.
1007 (Target_sparc::Scan::global): Likewise.
1008 (Target_sparc::Relocate::relocate): Likewise.
1009 (Target_sparc::Relocate::relocate_tls): Likewise.
1010
1011 * symtab.cc (Symbol_table::define_default_version): New function,
1012 broken out of add_from_object.
1013 (Symbol_table::add_from_object): Call define_default_version.
1014 (Symbol_table::define_special_symbol): Add resolve_oldsym
1015 parameter. Change all callers. If the version for a symbol comes
1016 from a version script, resolve it with the symbol with the same
1017 name with no version. Also add the symbol without a version if
1018 appropriate.
1019 (do_define_in_output_data): If resolving with oldsym, don't delete
1020 sym.
1021 (do_define_in_output_segment): Likewise.
1022 (do_define_as_constant): Likewise.
1023 * symtab.h (class Symbol_table): Update declarations.
1024
1025 2009-03-13 Ian Lance Taylor <iant@google.com>
1026
1027 * readsyms.cc (Read_symbols::incompatible_warning): New function.
1028 (Read_symbols::requeue): New function.
1029 (Read_symbols::do_read_symbols): If make_elf_object fails because
1030 the target type is not configured, and the file was searched for,
1031 issue a warning and retry with the next directory.
1032 (Add_symbols::run): If the file has an incompatible format, and
1033 it was searched for, requeue the Read_symbols task. On error,
1034 release the object.
1035 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
1036 dirindex parameter to constructor. Change all callers. Declare
1037 incompatible_warning and requeue.
1038 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1039 input_argument_ and input_group_ fields. Add them to
1040 constructor. Change all callers.
1041 (class Read_script): Add dirindex_ field. Add it to constructor.
1042 Change all callers.
1043 * archive.cc (Archive::setup): Remove input_objects parameter.
1044 Change all callers.
1045 (Archive::get_file_and_offset): Likewise.
1046 (Archive::read_all_symbols): Likewise.
1047 (Archive::read_symbols): Likewise.
1048 (Archive::get_elf_object_for_member): Remove input_objects
1049 parameter. Add punconfigured parameter. Change all callers.
1050 (Archive::add_symbols): Change return type to bool. Check return
1051 value of include_member.
1052 (Archive::include_all_members): Likewise.
1053 (Archive::include_member): Change return type to bool. Return
1054 false if first included object has incompatible target. Set
1055 included_member_ field.
1056 (Add_archive_symbols::run): If add_symbols returns false, requeue
1057 Read_symbols task.
1058 * archive.h (class Archive): Add included_member_ field.
1059 Initialize it in constructor. Add input_file and searched_for
1060 methods. Update declarations.
1061 (class Add_archive_symbols): Add dirpath_, dirindex_, and
1062 input_argument_ fields. Add them to constructor. Change all
1063 callers.
1064 * script.cc: Include "target-select.h".
1065 (class Parser_closure): Add skip_on_incompatible_target_ and
1066 found_incompatible_target_ fields. Add
1067 skip_on_incompatible_target parameter to constructor. Change all
1068 callers. Add methods skip_on_incompatible_target,
1069 clear_skip_on_incompatible_target, found_incompatible_target, and
1070 set_found_incompatible_target.
1071 (read_input_script): Add dirindex parameter. Change all callers.
1072 If parser finds an incompatible target, requeue Read_symbols
1073 task.
1074 (script_set_symbol): Clear skip_on_incompatible_target in
1075 closure.
1076 (script_add_assertion, script_parse_option): Likewise.
1077 (script_start_sections, script_add_phdr): Likewise.
1078 (script_check_output_format): New function.
1079 * script.h (read_input_script): Update declaration.
1080 * script-c.h (script_check_output_format): Declare.
1081 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
1082 (ignore_cmd): Remove OUTPUT_FORMAT.
1083 * fileread.cc (Input_file::Input_file): Add explicit this.
1084 (Input_file::will_search_for): New function.
1085 (Input_file::open): Add pindex parameter. Change all callers.
1086 * fileread.h (class Input_file): Add input_file_argument method.
1087 Declare will_search_for. Update declarations.
1088 * object.cc (make_elf_object): Add punconfigured parameter.
1089 Change all callers.
1090 * object.h (class Object): Make input_file public. Add
1091 searched_for method.
1092 (make_elf_object): Update declaration.
1093 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
1094 restart search.
1095 * dirsearch.h (class Dirsearch): Update declaration.
1096 * options.h (class General_options): Add --warn-search-mismatch.
1097 * parameters.cc (Parameters::is_compatible_target): New function.
1098 * parameters.h (class Parameters): Declare is_compatible_target.
1099 * workqueue.cc (Workqueue::add_blocker): New function.
1100 * workqueue.h (class Workqueue): Declare add_blocker.
1101
1102 * fileread.cc (Input_file::open): Remove options parameter.
1103 Change all callers.
1104 (Input_file::open_binary): Likewise.
1105 * script.cc (read_input_script): Likewise.
1106 * readsyms.h (class Read_symbols): Remove options_ field. Remove
1107 options parameter from constructor. Change all callers.
1108 (class Read_script): Likewise.
1109 * fileread.h (class Input_file): Update declarations.
1110 * script.h (read_input_script): Update declaration.
1111
1112 2009-03-10 Nick Clifton <nickc@redhat.com>
1113
1114 * po/es.po: New Spanish translation.
1115
1116 2009-03-06 Cary Coutant <ccoutant@google.com>
1117
1118 * options.cc (parse_short_option): Keep dash_z from registering itself.
1119
1120 2009-03-03 Ian Lance Taylor <iant@google.com>
1121
1122 PR 9918
1123 * target-reloc.h (relocate_section): Pass output_section to
1124 relocate.
1125 * i386.cc (Target_i386::should_apply_static_reloc): Add
1126 output_section parameter. Change all callers.
1127 (Target_i386::Relocate::relocate): Add output_section parameter.
1128 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1129 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1130 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1131 * testsuite/two_file_shared.sh: New script.
1132 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
1133 (check_DATA): Add two_file_shared.dbg.
1134 (two_file_shared.dbg): New target.
1135 * testsuite/Makefile.in: Rebuild.
1136
1137 2009-03-01 Ian Lance Taylor <iant@google.com>
1138
1139 * configure.ac: Check for byteswap.h.
1140 * configure: Rebuild.
1141 * config.in: Rebuild.
1142
1143 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
1144
1145 * layout.cc (Layout::find_or_add_kept_section): New function.
1146 (Layout::add_comdat): Removed.
1147 * layout.h (struct Kept_section): Move out of class Layout.
1148 Remove trailing underscores from field names. Add group_sections
1149 field. Rename group_ field to is_group. Change all uses.
1150 (class Layout): Declare find_or_add_kept_section, not add_comdat.
1151 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
1152 comdat_groups_ field.
1153 (Sized_relobj::include_section_group): Use
1154 find_or_add_kept_section and Kept_section::group_sections.
1155 (Sized_relobj::include_linkonce_section): Likewise.
1156 * object.cc (class Sized_relobj): Don't define Comdat_group or
1157 Comdat_group_table. Remove find_comdat_group and
1158 add_comdat_group. Remove comdat_groups_ field.
1159 * plugin.cc (include_comdat_group): Use
1160 Layout::find_or_add_kept_section.
1161
1162 2009-02-28 Ian Lance Taylor <iant@google.com>
1163
1164 * README: --gc-sections and map files are now supported. Document
1165 some build requirements.
1166
1167 PR 6992
1168 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
1169 relocatable link set the value of the section symbol to zero.
1170 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
1171 relocatable link don't include the section address in the local
1172 symbol value.
1173
1174 2009-02-27 Ian Lance Taylor <iant@google.com>
1175
1176 PR 6811
1177 * options.h (class Search_directory): Add is_system_directory.
1178 (class General_options): Declare is_in_system_directory.
1179 * options.cc (get_relative_sysroot): Make static.
1180 (get_default_sysroot): Make static.
1181 (General_optoins::is_in_system_directory): New function.
1182 * fileread.cc (Input_file::is_in_system_directory): New function.
1183 * fileread.h (class Input_file): Declare is_in_system_directory.
1184 * object.h (class Object): Add is_in_system_directory.
1185 (class Input_objects): Remove system_library_directory_ field.
1186 * object.cc (Input_objects::add_object): Don't set
1187 system_library_directory_.
1188 (input_objects::found_in_system_library_directory): Remove.
1189 * symtab.cc (Symbol_table::write_globals): Remove input_objects
1190 parameter. Change all callers.
1191 (Symbol_table::sized_write_globals): Likewise.
1192 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
1193 Call Object::is_in_system_directory.
1194 * symtab.h (class Symbol_table): Update declarations.
1195
1196 PR 5990
1197 * descriptors.h (Open_descriptor): Add is_on_stack field.
1198 * descriptors.cc (Descriptors::open): If the descriptor is on the
1199 top of the stack, remove it. Initialize is_on_stack field.
1200 (Descriptors::release): Only add pod to stack if it is not on the
1201 stack already.
1202 (Descriptors::close_some_descriptor): Clear stack_next and
1203 is_on_stack fields.
1204
1205 PR 7091
1206 * output.cc (Output_section::find_starting_output_address): Rename
1207 from starting_output_address; add PADDR parameter; change return
1208 type.
1209 * output.h (class Output_section): Declare
1210 find_starting_output_address instead of starting_output_address.
1211 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
1212 section symbol for which we can't find a merge section.
1213
1214 PR 9836
1215 * symtab.cc (Symbol_table::add_from_object): If the visibility is
1216 hidden or internal, force the symbol to be local.
1217 * resolve.cc (Symbol::override_visibility): Define.
1218 (Symbol::override_base): Use override_visibility.
1219 (Symbol_table::resolve): Likewise.
1220 (Symbol::override_base_with_special): Likewise.
1221 (Symbol_table::override_with_special): If the visibility is hidden
1222 or internal, force the symbol to be local.
1223 * symtab.h (class Symbol): Add set_visibility and
1224 override_visibility.
1225 * testsuite/ver_test_1.sh: New file.
1226 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
1227 (check_DATA): Add ver_test_1.syms.
1228 (ver_test_1.syms): New target.
1229 * testsuite/Makefile.in: Rebuild.
1230
1231 2009-02-25 Cary Coutant <ccoutant@google.com>
1232
1233 * layout.cc (Layout::choose_output_section): Don't rename sections
1234 when using a linker script that has a SECTIONS clause.
1235 * Makefile.in: Regenerate.
1236
1237 * testsuite/Makefile.am (script_test_5.sh): New test case.
1238 * testsuite/Makefile.in: Regenerate.
1239 * testsuite/script_test_5.cc: New file.
1240 * testsuite/script_test_5.sh: New file.
1241 * testsuite/script_test_5.t: New file.
1242
1243 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
1244
1245 * archive.cc (Archive::include_member): Update calls to add_symbols.
1246 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
1247 the Layout argument.
1248 * dynobj.h (do_add_symbols): Add the Layout argument.
1249 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
1250 Layout argument.
1251 * object.h (Object::add_symbols): Add the Layout argument.
1252 (Object::do_add_symbols): Add the Layout argument.
1253 (Sized_relobj::do_add_symbols): Add the Layout argument.
1254 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
1255 Unify the two versions.
1256 (Add_plugin_symbols): Remove.
1257 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
1258 (Sized_pluginobj::do_add_symbols): Unify the two versions.
1259 (Add_plugin_symbols): Remove.
1260 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
1261 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
1262 (Add_symbols::run): Make it work with Pulginobj.
1263
1264 2009-02-06 Ian Lance Taylor <iant@google.com>
1265
1266 * object.cc (Sized_relobj::do_layout): Make info message start
1267 with lower case letter.
1268
1269 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
1270
1271 * binary.cc: Fix file comment.
1272
1273 * options.h (enum Incremental_disposition): Define.
1274 (class General_options): Add new options: --incremental,
1275 --incremental_changed, --incremental_unchanged,
1276 --incremental_unknown. Add incremental_disposition_ and
1277 implicit_incremental_ fields.
1278 (General_options::incremental_disposition): New function.
1279 (class Position_dependent_options): Add incremental_disposition
1280 option.
1281 (Position_dependent_options::copy_from_options): Set incremental
1282 dispositions.
1283 * options.cc (General_options::parse_incremental_changed): New
1284 function.
1285 (General_options::parse_incremental_unchanged): New function.
1286 (General_options::parse_incremental_unknown): New function.
1287 (General_options::General_options): Initialize new fields
1288 incremental_disposition_ and implicit_incremental_.
1289 (General_options::finalize): Check for uasge of --incremental-*
1290 without --incremental.
1291
1292 2009-02-06 Chris Demetriou <cgd@google.com>
1293
1294 * gold.h (gold_undefined_symbol): Change to take only a Symbol
1295 pointer and to report location as the file name associated with
1296 the symbol.
1297 (gold_undefined_symbol_at_location): New function to replace the
1298 old gold_undefined_symbol functionality.
1299 * target-reloc.h (relocate_section): Update to use
1300 gold_undefined_symbol_at_location.
1301 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1302 Call gold_undefined_symbol function rather than gold_error.
1303 * errors.h (Errors::undefined_symbol): Take location as a
1304 string, rather than calculating it from a relocation.
1305 * errors.cc (Errors::fatal): Print "fatal error:" before the
1306 formatted message.
1307 (Errors::error, Errors::error_at_location): Print "error: "
1308 before the formatted message.
1309 (Errors::undefined_symbol): Take location as a string, rather
1310 than calculating it from a relocation.
1311 (gold_undefined_symbol_at_location): New function akin to
1312 old gold_undefined_symbol, calculates location from relocation.
1313 (gold_undefined_symbol): Change to take only a Symbol pointer
1314 and to report location as the file name associated with the symbol.
1315 * testsuite/debug_msg.sh: Update for changed error messages.
1316 * testsuite/undef_symbol.sh: Likewise.
1317
1318 2009-02-04 Duncan Sands <baldrick@free.fr>
1319
1320 PR 9812
1321 * reduced_debug_output.h
1322 (Output_reduced_debug_abbrev_section::failed): Use format for
1323 gold_warning.
1324 (Output_reduced_debug_info_section::faild): Likewise.
1325
1326 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
1327
1328 * script.cc (Lazy_demangler): New class.
1329 (Version_script_info::get_symbol_version_helper): Demangle a
1330 symbol only once.
1331
1332 2009-01-29 Cary Coutant <ccoutant@google.com>
1333
1334 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
1335 to __tls_get_addr.
1336 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1337
1338 2009-01-28 Ian Lance Taylor <iant@google.com>
1339
1340 * version.cc (version_string): Bump to 1.9.
1341
1342 * gold.h: Include <cstring> and <stdint.h>.
1343 * version.cc: Include <cstdio>.
1344 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
1345 warning.
1346 * reduced_debug_output.cc (insert_into_vector): Rename from
1347 Insert_into_vector; change all callers. Use Swap_unaligned to
1348 avoid aliasing issue; remove union since it is unnecessary.
1349
1350 2009-01-27 Sriraman Tallam <tmsriram@google.com>
1351
1352 * Makefile.am (CCFILES): Add gc.cc.
1353 (HFILES): Add gc.h.
1354 * Makefile.in: Regenerate.
1355 * gold.cc (Gc_runner): New class.
1356 (queue_initial_tasks): Call garbage collection related tasks
1357 when corresponding options are invoked.
1358 (queue_middle_gc_tasks): New function.
1359 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
1360 processed early before laying out sections during garbage collection.
1361 * gold.h (queue_middle_gc_tasks): New function.
1362 (is_prefix_of): Move from "layout.cc".
1363 * i386.cc (Target_i386::gc_process_relocs): New function.
1364 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
1365 * main.cc (main): Create object of class "Garbage_collection".
1366 * object.cc (Relobj::copy_symbols_data): New function.
1367 (Relobj::is_section_name_included): New function.
1368 (Sized_relobj::do_layout): Allow this function to be called twice
1369 during garbage collection and defer layout of section during the
1370 first call.
1371 * object.h (Relobj::get_symbols_data): New function.
1372 (Relobj::is_section_name_included): New function.
1373 (Relobj::copy_symbols_data): New function.
1374 (Relobj::set_symbols_data): New function.
1375 (Relobj::get_relocs_data): New function.
1376 (Relobj::set_relocs_data): New function.
1377 (Relobj::is_output_section_offset_invalid): New pure virtual function.
1378 (Relobj::gc_process_relocs): New function.
1379 (Relobj::do_gc_process_relocs): New pure virtual function.
1380 (Relobj::sd_): New data member.
1381 (Sized_relobj::is_output_section_offset_invalid): New function.
1382 (Sized_relobj::do_gc_process_relocs): New function.
1383 * options.h (General_options::gc_sections): Modify to not be a no-op.
1384 (General_options::print_gc_sections): New option.
1385 * plugin.cc (Plugin_finish::run): Remove function call to
1386 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
1387 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
1388 * reloc.cc (Read_relocs::run): Add task to process relocs and
1389 determine unreferenced sections when doing garbage collection.
1390 (Gc_process_relocs): New class.
1391 (Sized_relobj::do_gc_process_relocs): New function.
1392 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
1393 sections that are garbage collected.
1394 * reloc.h (Gc_process_relocs): New class.
1395 * sparc.cc (Target_sparc::gc_process_relocs): New function.
1396 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
1397 symbols whose corresponding sections are garbage collected.
1398 (Symbol_table::Symbol_table): Add new parameter for the garbage
1399 collection object.
1400 (Symbol_table::gc_mark_undef_symbols): New function.
1401 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1402 (Symbol_table::gc_mark_dyn_syms): New function.
1403 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
1404 as garbage.
1405 (Symbol_table::add_from_object): Likewise.
1406 (Symbol_table::add_from_relobj): When building shared objects, do not
1407 treat externally visible symbols as garbage.
1408 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
1409 table information for static and relocatable links.
1410 * symtab.h (Symbol_table::set_gc): New function.
1411 (Symbol_table::gc): New function.
1412 (Symbol_table::gc_mark_undef_symbols): New function.
1413 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1414 (Symbol_table::gc_mark_dyn_syms): New function.
1415 (Symbol_table::gc_): New data member.
1416 * target.h (Sized_target::gc_process_relocs): New pure virtual
1417 function.
1418 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
1419 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
1420
1421 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
1422
1423 * options.h (General_options::gc_sections): Define as a no-op for now.
1424 (General_options::no_keep_memory): Ditto.
1425 (General_options::Bshareable): Define.
1426 * options.cc (General_options::finalize): Honor -Bshareable.
1427
1428 2009-01-20 Andreas Schwab <schwab@suse.de>
1429
1430 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
1431 read the value in the contents, since we don't use it. Use the
1432 template endianness when writing.
1433 (Relocate::relocate): Use it for R_PPC_REL16_HA.
1434
1435 2009-01-19 Andreas Schwab <schwab@suse.de>
1436
1437 * configure.tgt (powerpc64-*): Fix targ_obj.
1438
1439 2009-01-15 Ian Lance Taylor <iant@google.com>
1440
1441 * object.cc (Sized_relobj::write_local_symbols): Don't write out
1442 local symbols when stripping all symbols.
1443
1444 2009-01-14 Cary Coutant <ccoutant@google.com>
1445
1446 * output.cc (Output_reloc): Add explicit instantiations.
1447
1448 2009-01-14 Cary Coutant <ccoutant@google.com>
1449
1450 * archive.cc (Archive::get_elf_object_for_member): Remove call
1451 to File_read::claim_for_plugin.
1452 * descriptors.cc (Descriptors::open): Remove reference to
1453 is_claimed.
1454 (Descriptors::claim_for_plugin): Remove.
1455 * descriptors.h (Descriptors::claim_for_plugin): Remove.
1456 (Descriptors::is_claimed): Remove.
1457 (claim_descriptor_for_plugin): Remove.
1458 * fileread.cc (File_read::claim_for_plugin): Remove.
1459 * fileread.h (File_read::claim_for_plugin): Remove.
1460 (File_read::descriptor): Reopen descriptor if necessary.
1461 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
1462 (Plugin_manager::all_symbols_read): Add task parameter. Change
1463 all callers.
1464 (Plugin_manager::get_input_file): New function.
1465 (Plugin_manager::release_input_file): New function.
1466 (Pluginobj::Pluginobj): Add filesize parameter and initialize
1467 corresponding data member.
1468 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
1469 and pass to base constructor. Change all callers.
1470 (get_input_file, release_input_file): New functions.
1471 (make_sized_plugin_object): Add filesize parameter. Change all callers.
1472 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
1473 (Plugin_manager::all_symbols_read): Add task parameter.
1474 (Plugin_manager::get_input_file): New function.
1475 (Plugin_manager::release_input_file): New function.
1476 (Plugin_manager::task_): New data member.
1477 (Pluginobj::Pluginobj): Add filesize parameter.
1478 (Pluginobj::filename): New function.
1479 (Pluginobj::descriptor): New function.
1480 (Pluginobj::filesize): New function.
1481 (Pluginobj::filesize_): New data member.
1482 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
1483 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
1484 File_read::claim_for_plugin; use Object::unlock to unlock the file.
1485
1486 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
1487 with archive libraries.
1488 * testsuite/Makefile.in: Regenerate.
1489 * testsuite/plugin_test.c (struct sym_info): New type.
1490 (get_input_file, release_input_file): New static variables.
1491 (onload): Capture new transfer vector entries.
1492 (claim_file_hook): Stop reading at end of file according to filesize.
1493 Factor out parsing of readelf output into separate function.
1494 (all_symbols_read_hook): Exercise get_input_file and release_input_file
1495 APIs and get the source file name from the symbol table. Convert
1496 source file name to corresponding object file name. Print info
1497 message when adding new input files.
1498 (parse_readelf_line): New function.
1499 * testsuite/plugin_test_1.sh: Add checks for new info messages.
1500 * testsuite/plugin_test_2.sh: Likewise.
1501 * testsuite/plugin_test_3.sh: Likewise.
1502 * testsuite/plugin_test_4.sh: New test case.
1503
1504 2009-01-07 Ian Lance Taylor <iant@google.com>
1505
1506 * version.cc (version_string): Bump to 1.8.
1507
1508 2008-12-23 Cary Coutant <ccoutant@google.com>
1509
1510 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
1511 * plugin.cc (Plugin_manager::finish): Rename as
1512 layout_deferred_objects. Move cleanup to separate function.
1513 (Plugin_manager::cleanup): New function.
1514 (Plugin_finish::run): Call layout_deferred_objects and cleanup
1515 separately.
1516 * plugin.h (Plugin_manager::finish): Rename as
1517 layout_deferred_objects.
1518 (Plugin_manager::cleanup): New function.
1519 (Plugin_manager::cleanup_done): New field.
1520
1521 2008-12-23 Cary Coutant <ccoutant@google.com>
1522
1523 * plugin.cc (is_visible_from_outside): New function.
1524 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
1525 so we don't return "IR only" status for exported symbols or -r links.
1526
1527 * testsuite/Makefile.am (plugin_test_3): New test case.
1528 * testsuite/Makefile.in: Regenerate.
1529 * testsuite/plugin_test_3.sh: New file.
1530
1531 2008-12-22 Cary Coutant <ccoutant@google.com>
1532
1533 * object.cc (Sized_relobj::layout_section): New function.
1534 (Sized_relobj::do_layout): Defer layout of input sections until after
1535 plugin has provided replacement files.
1536 (Sized_relobj::do_layout_deferred_sections): New function.
1537 * object.h (Relobj::set_section_offset): Remove virtual keyword.
1538 (Relobj::layout_deferred_sections): New function.
1539 (Relobj::do_layout_deferred_sections): New function.
1540 (Sized_relobj::do_layout_deferred_sections): New function.
1541 (Sized_relobj::layout_section): New function.
1542 (Sized_relobj::Deferred_layout): New structure.
1543 (Sized_relobj::deferred_layout_): New field.
1544 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
1545 Change all callers. Layout deferred sections.
1546 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
1547 references.
1548 (Plugin_hook::run): Move code from do_plugin_hook inline.
1549 (Plugin_hook::do_plugin_hook): Remove.
1550 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
1551 (Plugin_manager::finish): Renamed, was cleanup.
1552 (Plugin_manager::should_defer_layout): New function.
1553 (Plugin_manager::add_deferred_layout_object): New function.
1554 (Plugin_manager::Deferred_layout_list): New type.
1555 (Plugin_manager::deferred_layout_objects_): New field.
1556 (Plugin_hook::do_plugin_hook): Remove.
1557
1558 2008-12-17 Ian Lance Taylor <iant@google.com>
1559
1560 * options.h (class General_options): Add --no case for
1561 --export-dynamic.
1562
1563 2008-12-16 Cary Coutant <ccoutant@google.com>
1564
1565 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
1566 vector.
1567 (Plugin_manager::claim_file): Create plugin object even if
1568 plugin did not call the add_symbols callback.
1569 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
1570 asking for more symbols than were added.
1571 * testsuite/Makefile.am (plugin_test_1): Add test case with
1572 no global symbols.
1573 (empty.syms): New target.
1574 * testsuite/Makefile.in: Regenerate.
1575 * testsuite/plugin_test.c (claim_file_hook): Add new debug
1576 message. Don't call add_symbols if no globals.
1577 (all_symbols_read_hook): Don't provide replacement for empty
1578 claimed file.
1579
1580 2008-12-12 Ian Lance Taylor <iant@google.com>
1581
1582 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
1583 r_type == 0 for a local symbol with r_sym == 0.
1584 (scan_relocatable_relocs): Pass r_sym to
1585 local_non_section_strategy.
1586 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
1587 r_sym parameter.
1588
1589 * configure.ac: Update test for TLS descriptors: they are
1590 supported as of glibc 2.9.
1591 * configure: Rebuild.
1592
1593 2008-12-11 Ian Lance Taylor <iant@google.com>
1594
1595 PR 7091
1596 * target-reloc.h (Default_scan_relocatable_relocs): For each
1597 function, map r_type == 0 to RELOC_DISCARD.
1598
1599 2008-12-10 Cary Coutant <ccoutant@google.com>
1600
1601 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
1602 object to override a kept COMDAT group from a plugin object.
1603
1604 2008-12-09 Ian Lance Taylor <iant@google.com>
1605
1606 PR 7088
1607 * yyscript.y (file_cmd): Handle INPUT.
1608
1609 * testsuite/initpri1.c: Change all declarations to be full
1610 prototypes by adding void, to avoid compiler warnings.
1611
1612 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
1613
1614 * options.cc (General_options::parse_plugin_opt): New.
1615 (General_options::add_plugin): The argument now is just the filename.
1616 (General_options::add_plugin_option): New.
1617 * options.h (plugin_opt): New.
1618 (add_plugin): Change argument name.
1619 (add_plugin_option): New.
1620 * plugin.cc (Plugin::load): Don't parse the plugin option.
1621 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
1622 (Plugin::add_option): New.
1623 (Plugin::args_): Change type.
1624 (Plugin::filename_): New.
1625 (Plugin_manager::add_plugin_option): New.
1626 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
1627 * testsuite/Makefile.in: Regenerate.
1628
1629 2008-12-05 Cary Coutant <ccoutant@google.com>
1630
1631 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
1632 Handle --strip-lto-sections option.
1633 * options.h (strip_lto_sections): New option.
1634
1635 2008-12-01 Cary Coutant <ccoutant@google.com>
1636
1637 * plugin.cc (ld_plugin_message): Change format parameter to const.
1638 Fix mismatch between new[] and delete.
1639
1640 2008-11-14 Cary Coutant <ccoutant@google.com>
1641
1642 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
1643 instead of -1U.
1644
1645 2008-11-05 Craig Silverstein <csilvers@google.com>
1646
1647 * options.cc (General_options::parse_dynamic_list): New function.
1648 * options.h (General_options): New flags dynamic_list,
1649 dynamic_list_data, dynamic_list_cpp_new, and
1650 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
1651 (General_options::in_dynamic_list): New function.
1652 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
1653 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
1654 (Lex::can_continue_name): Likewise.
1655 (yylex): Likewise.
1656 (read_script_file): New parameter script_options.
1657 (read_dynamic_list): New function.
1658 (Script_options::define_dynamic_list): New function.
1659 (dynamic_list_keyword_parsecodes): New variable.
1660 (dynamic_list_keywords): New variable.
1661 * script.h (Script_options::define_dynamic_list): New function
1662 prototype.
1663 (read_dynamic_list): New function prototype.
1664 * symtab.cc (strprefix): New macro.
1665 (Symbol::should_add_dynsym_entry): Support dynamic_list,
1666 dynamic_list_data, dynamic_list_cpp_new, and
1667 dynamic_list_cpp_typeinfo.
1668 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
1669 (dynamic_list_expr): New rule.
1670 (dynamic_list_nodes): Likewise.
1671 (dynamic_list_node): Likewise.
1672 * testsuite/Makefile.am (dynamic_list): New test.
1673 * testsuite/Makefile.in: Regenerated.
1674 * testsuite/dynamic_list.t: New file.
1675 * testsuite/dynamic_list.sh: New file.
1676
1677 2008-11-05 Craig Silverstein <csilvers@google.com>
1678
1679 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
1680 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
1681 (t11_last): Likewise.
1682 * testsuite/ver_test_6.c (main): Likewise.
1683
1684 2008-10-07 Cary Coutant <ccoutant@google.com>
1685
1686 * options.c (General_options::finalize): Add check for -static and
1687 -shared.
1688 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
1689 is not empty.
1690
1691 2008-10-02 Cary Coutant <ccoutant@google.com>
1692
1693 * plugin.cc (make_sized_plugin_object): Fix conditional
1694 compilation to work when not all targets are enabled.
1695
1696 2008-09-29 Cary Coutant <ccoutant@google.com>
1697
1698 * archive.cc (Archive::get_file_and_offset): Use filename instead
1699 of name to get library path.
1700 (Archive::include_member): Unlock external member of a thin archive.
1701
1702 * testsuite/Makefile.am (TEST_AR): New variable.
1703 (thin_archive_test_1): New test.
1704 (thin_archive_test_2): New test.
1705 * testsuite/Makefile.in: Regenerate.
1706 * testsuite/thin_archive_main.cc: New file.
1707 * testsuite/thin_archive_test_1.cc: New file.
1708 * testsuite/thin_archive_test_2.cc: New file.
1709 * testsuite/thin_archive_test_3.cc: New file.
1710 * testsuite/thin_archive_test_4.cc: New file.
1711
1712 2008-09-29 Cary Coutant <ccoutant@google.com>
1713
1714 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
1715 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
1716 instead of -1U.
1717 (Sized_relobj::do_finalize_local_symbols): Likewise.
1718 (Sized_relobj::map_to_kept_section): Likewise.
1719 * object.h (Sized_relobj::invalid_address): New constant.
1720 (Sized_relobj::do_output_section_offset): Check for invalid_address
1721 and return -1ULL.
1722 * output.cc (Output_reloc::local_section_offset): Use constant
1723 invalid_address instead of -1U.
1724 (Output_reloc::get_address): Likewise.
1725 (Output_section::output_address): Change -1U to -1ULL.
1726 * output.h (Output_reloc::invalid_address): New constant.
1727 * reloc.cc (Sized_relobj::write_sections): Use constant
1728 invalid_address instead of -1U.
1729 (Sized_relobj::relocate_sections): Likewise.
1730 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
1731 values for merge sections.
1732 * target-reloc.h (relocate_for_relocatable): Use constant
1733 invalid_address instead of -1U.
1734
1735 2008-09-19 Cary Coutant <ccoutant@google.com>
1736
1737 Add plugin functionality for link-time optimization (LTO).
1738 * configure.ac (plugins): Add --enable-plugins option.
1739 * configure: Regenerate.
1740 * config.in: Regenerate.
1741 * Makefile.am (LIBDL): New variable.
1742 (CCFILES): Add plugin.cc.
1743 (HFILES): Add plugin.h.
1744 (ldadd_var): Add LIBDL.
1745 * Makefile.in: Regenerate.
1746
1747 * archive.cc: Include "plugin.h".
1748 (Archive::setup): Don't preread archive symbols when using a plugin.
1749 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
1750 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
1751 files.
1752 (Archive::include_member): Add symbols from plugin objects.
1753 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
1754 * descriptors.cc (Descriptors::open): Check for file descriptors
1755 abandoned by plugins.
1756 (Descriptors::claim_for_plugin): New function.
1757 * descriptors.h (Descriptors::claim_for_plugin): New function.
1758 (Open_descriptor::is_claimed): New field.
1759 (claim_descriptor_for_plugin): New function.
1760 * fileread.cc (File_read::claim_for_plugin): New function.
1761 * fileread.h (File_read::claim_for_plugin): New function.
1762 (File_read::descriptor): New function.
1763 * gold.cc: Include "plugin.h".
1764 (queue_initial_tasks): Add task to call plugin hooks for generating
1765 new object files.
1766 * main.cc: Include "plugin.h".
1767 (main): Load plugin libraries.
1768 * object.h (Pluginobj): Declare.
1769 (Object::pluginobj): New function.
1770 (Object::do_pluginobj): New function.
1771 (Object::set_target): New function.
1772 * options.cc: Include "plugin.h".
1773 (General_options::parse_plugin): New function.
1774 (General_options::General_options): Initialize plugins_ field.
1775 (General_options::add_plugin): New function.
1776 * options.h (Plugin_manager): Declare.
1777 (General_options): Add --plugin option.
1778 (General_options::has_plugins): New function.
1779 (General_options::plugins): New function.
1780 (General_options::add_plugin): New function.
1781 (General_options::plugins_): New field.
1782 * plugin.cc: New file.
1783 * plugin.h: New file.
1784 * readsyms.cc: Include "plugin.h".
1785 (Read_symbols::do_read_symbols): Check for archive before checking
1786 for ELF file. Call plugin hooks to claim files.
1787 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
1788 from a real object file; force override when processing replacement
1789 files.
1790 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
1791 (Symbol::init_base_object): Likewise.
1792 (Symbol::init_base_output_data): Likewise.
1793 (Symbol::init_base_output_segment): Likewise.
1794 (Symbol::init_base_constant): Likewise.
1795 (Symbol::init_base_undefined): Likewise.
1796 (Symbol::output_section): Assert that object is not a plugin.
1797 (Symbol_table::add_from_pluginobj): New function.
1798 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
1799 undefined.
1800 (Symbol_table::sized_write_globals): Likewise.
1801 (Symbol_table::add_from_pluginobj): Instantiate template.
1802 * symtab.h (Sized_pluginobj): Declare.
1803 (Symbol::in_real_elf): New function.
1804 (Symbol::set_in_real_elf): New function.
1805 (Symbol::in_real_elf_): New field.
1806 (Symbol_table::add_from_pluginobj): New function.
1807
1808 * testsuite/Makefile.am (AM_CFLAGS): New variable.
1809 (LIBDL): New variable.
1810 (LDADD): Add LIBDL.
1811 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
1812 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
1813 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
1814 (MOSTLYCLEANFILES): Likewise.
1815 * testsuite/Makefile.in: Regenerate.
1816 * testsuite/plugin_test.c: New file.
1817 * testsuite/plugin_test_1.sh: New file.
1818 * testsuite/plugin_test_2.sh: New file.
1819
1820 2008-09-16 Ian Lance Taylor <iant@google.com>
1821
1822 * target-reloc.h (relocate_section): Check whether a symbol is
1823 defined by the ABI before reporting an undefined symbol error.
1824 * target.h (Target::is_defined_by_abi): Make parameter const.
1825 (Target::do_is_defined_by_abi): Likewise.
1826 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
1827 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
1828 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
1829 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
1830 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
1831 * testsuite/Makefile.in: Rebuild.
1832
1833 * fileread.cc (make_view): Add casts to avoid warning.
1834
1835 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1836
1837 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
1838 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1839
1840 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1841
1842 * options.h (General_options::output_is_executable): New.
1843 (General_options::output_is_pie): New.
1844 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
1845 for shared libraries.
1846 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1847
1848 2008-09-11 Chris Demetriou <cgd@google.com>
1849
1850 * options.h (origin): New -z option.
1851 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
1852 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
1853 in DT_FLAGS_1.
1854
1855 2008-09-05 Cary Coutant <ccoutant@google.com>
1856
1857 * fileread.cc (File_read::make_view): Add check for attempt to map
1858 beyond end of file.
1859
1860 2008-09-05 Cary Coutant <ccoutant@google.com>
1861
1862 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
1863 explicit instantiations.
1864
1865 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
1866
1867 PR gold/6858
1868 * options.cc (General_options::finalize): Allow undefined symbols
1869 in shlibs if linking -shared.
1870
1871 PR gold/6859
1872 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
1873 symbols as not needing a dynsym entry.
1874
1875 2008-08-20 Craig Silverstein <csilvers@google.com>
1876
1877 * fileread.cc (File_read::open): Do not lock the file unless it
1878 was successfully opened.
1879
1880 2008-08-14 Cary Coutant <ccoutant@google.com>
1881
1882 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
1883 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
1884 * testsuite/tls_test.cc (struct int128): 128-bit struct
1885 for testing TLS relocs with non-zero addend.
1886 (v12): New TLS variable.
1887 (t12): New test.
1888 (t_last): Add check for v12.
1889 * testsuite/tls_test.h (t12): New function.
1890 * testsuite/tls_test_main.cc (thread_routine): Call new test.
1891
1892 2008-08-13 Ian Lance Taylor <iant@google.com>
1893
1894 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
1895 set tls_segment_ or relro_segment_.
1896 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
1897 when appropriate.
1898 * output.h (Output_section::clear_is_relro): New function.
1899 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
1900 sections specially even when output_data_ is empty.
1901 (Output_segment::maximum_alignment): When first section is relro,
1902 only force alignment for PT_LOAD segments.
1903 * script.cc (script_data_segment_align): New function.
1904 (script_data_segment_relro_end): New function.
1905 * script-c.h (script_data_segment_align): Declare.
1906 (script_data_segment_relro_end): Declare.
1907 * script-sections.h (class Script_sections): Declare
1908 data_segment_align and data_segment_relro_end. Add fields
1909 segment_align_index_ and saw_relro_end_.
1910 * script-sections.cc (class Sections_element): Add set_is_relro
1911 virtual function. Add new bool* parameter to place_orphan_here.
1912 Add get_output_section virtual function.
1913 (class Output_section_definition): Add set_is_relro. Add new
1914 bool* parameter to place_orphan_here. Add get_output_section.
1915 Add is_relro_ field.
1916 (Output_section_definition::Output_section_definition): Initialize
1917 evaluated_address_, evaluated_load_address, evaluated_addralign_,
1918 and is_relro_ fields.
1919 (Output_section_definition::place_orphan_here): Add is_relro
1920 parameter.
1921 (Output_section_definition::set_section_addresses): Set relro for
1922 output section.
1923 (Output_section_definition::alternate_constraint): Likewise.
1924 (class Orphan_output_section): Add new bool* parameter to
1925 place_orphan_here. Add get_output_section.
1926 (Orphan_output_section::place_orphan_here): Add is_relro
1927 parameter.
1928 (Script_sections::Script_sections): Initialize
1929 data_segment_align_index_ and saw_relro_end_.
1930 (Script_sections::data_segment_align): New function.
1931 (Script_sections::data_segment_relro_end): New function.
1932 (Script_sections::place_orphan): Set or clear is_relro.
1933 (Script_sections::set_section_addresses): Force alignment of first
1934 TLS section.
1935 * yyscript.y (exp): Call script_data_segment_align and
1936 script_data_segment_relro_end.
1937 * testsuite/relro_script_test.t: New file.
1938 * testsuite/relro_test.cc (using_script): Declare.
1939 (t1, t2): Test using_script.
1940 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
1941 (relro_script_test_SOURCES): Define.
1942 (relro_script_test_DEPENDENCIES): Define.
1943 (relro_script_test_LDFLAGS): Define.
1944 (relro_script_test_LDADD): Define.
1945 (relro_script_test.so): New target.
1946 * testsuite/Makefile.in: Rebuild.
1947
1948 2008-08-06 Cary Coutant <ccoutant@google.com>
1949
1950 * archive.cc (Archive::total_archives, Archive::total_members)
1951 (Archive::total_members_loaded): New variables.
1952 (Archive::setup): Add parameter. Add option to preread
1953 archive symbols.
1954 (Archive::read_armap): Add counter.
1955 (Archive::get_file_and_offset): New function.
1956 (Archive::get_elf_object_for_member): New function.
1957 (Archive::read_all_symbols): New function.
1958 (Archive::read_symbols): New function.
1959 (Archive::add_symbols): Add counters.
1960 (Archive::include_all_members): Use armap to find members if it's
1961 already built.
1962 (Archive::include_member): Skip reading symbols if already read.
1963 Factored code into Archive::get_file_and_offset and
1964 Archive::get_elf_object_for_member. Changed call to
1965 Mapfile::report_include_archive_member.
1966 (Archive::print_stats): New function.
1967 * archive.h: Declare Object and Read_symbols_data classes.
1968 (Archive::Archive): Add initializers for new members.
1969 (Archive::setup): Add parameter.
1970 (Archive::print_stats): New function.
1971 (Archive::total_archives, Archive::total_members)
1972 (Archive::total_members_loaded): New variables.
1973 (Archive::get_file_and_offset): New function.
1974 (Archive::get_elf_object_for_member): New function.
1975 (Archive::read_all_symbols): New function.
1976 (Archive::read_symbols): New function.
1977 (Archive::Archive_member): New class.
1978 (Archive::members_): New member.
1979 (Archive::num_members_): New member.
1980 * main.cc: Include archive.h.
1981 (main): Call Archive::print_stats.
1982 * mapfile.cc (Mapfile::report_include_archive_member): Delete
1983 archive parameter; member_name is now the fully-decorated name.
1984 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
1985 * options.h: (General_options): Add --preread-archive-symbols option.
1986 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
1987 Archive::setup.
1988
1989 2008-08-04 Ian Lance Taylor <iant@google.com>
1990
1991 * symtab.h (Symbol::use_plt_offset): New function.
1992 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
1993 * powerpc.cc (Relocate::relocate): Likewise.
1994 * sparc.cc (Relocate::relocate): Likewise.
1995 * x86_64.cc (Relocate::relocate): Likewise.
1996 * testsuite/weak_plt.sh: New test.
1997 * testsuite/weak_plt_main.cc: New test.
1998 * testsuite/weak_plt_shared.cc: New test.
1999 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2000 (check_PROGRAMS): Add weak_plt.
2001 (check_DATA): Add weak_plt_shared.so.
2002 (weak_plt_main_pic.o, weak_plt): New targets.
2003 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2004 * testsuite/Makefile.in: Rebuild.
2005
2006 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2007 gcctestdir/ld.
2008 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2009 * testsuite/Makefile.in: Rebuild.
2010
2011 2008-08-04 Alan Modra <amodra@bigpond.net.au>
2012
2013 * Makefile.am (POTFILES.in): Set LC_ALL=C.
2014 * Makefile.in: Regenerate.
2015 * po/POTFILES.in: Regenerate.
2016
2017 2008-07-29 Ian Lance Taylor <iant@google.com>
2018
2019 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2020 symbols before other symbols.
2021 * testsuite/script_test_2.cc (test_addr): Declare.
2022 (test_addr_alias): Declare.
2023 (main): Check that test_addr and test_addr_alias have the right
2024 values.
2025 * testsuite/script_test_2.t: Define test_addr_alias and
2026 test_addr.
2027
2028 2008-07-24 Ian Lance Taylor <iant@google.com>
2029
2030 PR 5990
2031 * descriptors.cc: New file.
2032 * descriptors.h: New file.
2033 * gold-threads.h (class Hold_optional_lock): New class.
2034 * fileread.cc: Include "descriptors.h".
2035 (File_read::~File_read): Release descriptor rather than closing
2036 it.
2037 (File_read::open) [file]: Call open_descriptor rather than open.
2038 Set is_descriptor_opened_.
2039 (File_read::open) [memory]: Assert that descriptor is not open.
2040 (File_read::reopen_descriptor): New function.
2041 (File_read::release): Release descriptor.
2042 (File_read::do_read): Make non-const. Reopen descriptor.
2043 (File_read::read): Make non-const.
2044 (File_read::make_view): Reopen descriptor.
2045 (File_read::do_readv): Likewise.
2046 * fileread.h (class File_read): Add is_descriptor_opened_ field.
2047 Update declarations.
2048 * layout.cc: Include "descriptors.h".
2049 (Layout::create_build_id): Use open_descriptor rather than open.
2050 * output.cc: Include "descriptors.h".
2051 (Output_file::open): Use open_descriptor rather than open.
2052 * archive.cc (Archive::const_iterator): Change Archive to be
2053 non-const.
2054 (Archive::begin, Archive::end): Make non-const.
2055 (Archive::count_members): Likewise.
2056 * archive.h (class Archive): Update declarations.
2057 * object.h (Object::read): Make non-const.
2058 * Makefile.am (CCFILES): Add descriptors.cc.
2059 (HFILES): Add descriptors.h.
2060 * Makefile.in: Rebuild.
2061
2062 PR 6716
2063 * gold.h: Always include <clocale>. Add Solaris workarounds
2064 following code in binutils/sysdep.h.
2065
2066 PR 6048
2067 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2068 this->eh_frame_hdr_ is NULL before using it.
2069
2070 * dynobj.cc (Versions::Versions): Update comment.
2071
2072 * dynobj.cc (Versions::Versions): If there is an soname, use it as
2073 the base version name.
2074
2075 * stringpool.cc (Stringpool_template::add_with_length): Set key to
2076 array size plus one.
2077 (Stringpool_template::set_string_offsets): Subtract one from key
2078 before using it as an array index.
2079 (Stringpool_template::get_offset_with_length): Likewise.
2080 (Stringpool_template::write_to_buffer): Likewise.
2081 * stringpool.h (Stringpool_template::get_offset_from_key):
2082 Likewise.
2083
2084 2008-07-23 Ian Lance Taylor <iant@google.com>
2085
2086 PR 6658
2087 * object.h (Merged_symbol_value::value): Do our best to handle a
2088 negative addend.
2089
2090 PR 6647
2091 * script.cc (Version_script_info::get_versions): Don't add empty
2092 version tag to return value.
2093 (Version_script_info::get_symbol_version_helper): Change return
2094 type to bool. Add pversion parameter. Change all callers.
2095 (script_register_vers_node): Don't require a non-NULL tag.
2096 * script.h (class Version_script_info): Update declarations.
2097 (Version_script_info::get_symbol_version): Change return type to
2098 bool. Add version parameter. Change all callers.
2099 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
2100 handling. Handle an empty version from a version script.
2101 (Symbol_table::define_special_symbol): Likewise.
2102 * testsuite/ver_test_10.script: New file.
2103 * testsuite/ver_test_10.sh: New file.
2104 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
2105 (check_DATA): Add ver_test_10.syms.
2106 (ver_test_10.syms, ver_test_10.so): New target.
2107 * testsuite/Makefile.in: Rebuild.
2108
2109 2008-07-23 Simon Baldwin <simonb@google.com>
2110
2111 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
2112 to zero for undefined symbols from dynamic libraries.
2113
2114 2008-07-23 Ian Lance Taylor <iant@google.com>
2115
2116 * symtab.cc (Symbol_table::resolve): Remove version parameter.
2117 Change all callers.
2118 * symtab.h (class Symbol_table): Update declaration.
2119 * testsuite/ver_test_9.cc: New file.
2120 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
2121 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
2122 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
2123 (ver_test_9.so, ver_test_9.o): New targets.
2124 * testsuite/Makefile.in: Rebuild.
2125
2126 2008-07-22 Ian Lance Taylor <iant@google.com>
2127
2128 * options.h (class General_options): Define --check-sections.
2129 * layout.cc (Layout::set_segment_offsets): Handle
2130 --check-sections.
2131
2132 * options.h (class General_options): Define -n/--nmagic and
2133 -N/--omagic.
2134 * options.cc (General_options::finalize): For -n/--nmagic or
2135 -N/--omagic, set -static.
2136 * layout.cc (Layout::attach_allocated_section_to_segment): If
2137 -N/--omagic, don't put read-only and read-write sections in
2138 different segments.
2139 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
2140 finding a read-only segment.
2141 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
2142 don't set the minimum segment alignment to the common page size,
2143 and don't set the file offset to the address modulo the page size.
2144 * script-sections.cc (Script_sections::create_segments): If
2145 -n/--omagic, don't put read-only and read-write sections in
2146 different segments.
2147
2148 * cref.cc: New file.
2149 * cref.h: New file.
2150 * options.h (class General_options): Add --print-symbol-counts.
2151 * main.cc (main): Issue defined symbol report if requested.
2152 * archive.cc (Archive::interpret_header): Make into a const member
2153 function.
2154 (Archive::add_symbols): Call Input_objects::archive_start and
2155 archive_stop.
2156 (Archive::const_iterator): Define new class.
2157 (Archive::begin, Archive::end): New functions.
2158 (Archive::include_all_members): Rewrite to use iterator.
2159 (Archive::count_members): New function.
2160 * archive.h (class Archive): Update declarations.
2161 (Archive::filename): New function.
2162 * object.cc: Include "cref.h".
2163 (Sized_relobj::Sized_relobj): Initialize defined_count_.
2164 (Sized_relobj::do_get_global_symbol_counts): New function.
2165 (Input_objects::add_object): Add object to cross-referencer.
2166 (Input_objects::archive_start): New function.
2167 (Input_objects::archive_stop): New function.
2168 (Input_objects::print_symbol_counts): New function.
2169 * object.h: Declare Cref and Archive.
2170 (Object::get_global_symbol_counts): New function.
2171 (Object::do_get_global_symbol_counts): New pure virtual function.
2172 (class Sized_relobj): Add defined_count_ field. Update
2173 declarations.
2174 (class Input_objects): Add cref_ field. Update constructor.
2175 Update declarations.
2176 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
2177 defined_count_.
2178 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
2179 symbol counts.
2180 (Sized_dynobj::do_get_global_symbol_counts): New function.
2181 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
2182 defined_count_. Update declarations. Define Symbols typedef.
2183 * symtab.cc (Symbol_table::add_from_relobj): Add defined
2184 parameter. Change all callers.
2185 (Symbol_table::add_from_dynobj): Add sympointers and defined
2186 parameters. Change all callers.
2187 * symtab.h (class Symbol_table): Update declarations.
2188 * Makefile.am (CCFILES): Add cref.cc.
2189 (HFILES): Add cref.h.
2190 * Makefile.in: Rebuild.
2191
2192 2008-07-22 Simon Baldwin <simonb@google.com>
2193
2194 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
2195 to zero when writing undefined symbols.
2196
2197 2008-07-22 Ian Lance Taylor <iant@google.com>
2198
2199 * output.cc (Output_section::add_input_section): Don't try to
2200 merge empty merge sections.
2201
2202 2008-07-21 Craig Silverstein <csilvers@google.com>
2203
2204 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2205 Include symbol version in error message.
2206
2207 2008-07-20 Chris Demetriou <cgd@google.com>
2208
2209 * configure.ac (gold_cv_c_random_seed): New configured variable.
2210 (RANDOM_SEED_CFLAGS): New substituted variable.
2211 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
2212 * configure: Rebuild.
2213 * Makefile.in: Likewise.
2214 * testsuite/Makefile.in: Likewise.
2215
2216 2008-07-18 Ian Lance Taylor <iant@google.com>
2217
2218 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
2219 where we see NAME/NULL and NAME/VERSION as separate symbols.
2220 * testsuite/ver_test_main.cc (main): Call t4.
2221 (t4, t4_2a): Define.
2222 * testsuite/ver_test_2.cc (t4_2): Define.
2223 * testsuite/ver_test_2.script: Put t4_2a in VER2.
2224 * testsuite/ver_test_4.cc (t4_2a): Define.
2225 * testsuite/ver_test_4.script: Put t4_2a in VER2.
2226 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2227
2228 2008-07-17 Ian Lance Taylor <iant@google.com>
2229
2230 * dynobj.cc (Versions::add_def): If we give an error about a
2231 missing version, go ahead and create the version anyhow.
2232
2233 2008-07-10 Ian Lance Taylor <iant@google.com>
2234
2235 Handle output sections with more than 0x7fffffff bytes.
2236 * object.h (class Relobj): Change map_to_output_ to
2237 output_sections_, and just keep a section pointer. Change all
2238 uses. Move comdat group support to Sized_relobj.
2239 (Relobj::is_section_specially_mapped): Remove.
2240 (Relobj::output_section): Remove poff parameter. Change all
2241 callers.
2242 (Relobj::output_section_offset): New function.
2243 (Relobj::set_section_offset): Rewrite.
2244 (Relobj::map_to_output): Remove.
2245 (Relobj::output_sections): New function.
2246 (Relobj::do_output_section_offset): New pure virtual function.
2247 (Relobj::do_set_section_offset): Likewise.
2248 (class Sized_relobj): Add section_offsets_ field. Add comdat
2249 group support from Relobj. Update declarations.
2250 (Sized_relobj::get_output_section_offset): New function.
2251 (Sized_relobj::do_output_section_offset): New function.
2252 (Sized_relobj::do_set_section_offset): New function.
2253 * object.cc (Relobj::output_section_address): Remove.
2254 (Sized_relobj::Sized_relobj): Initialize new fields.
2255 (Sized_relobj::include_section_group): Cast find_kept_object to
2256 Sized_relobj.
2257 (Sized_relobj::include_linkonce_section): Likewise.
2258 (Sized_relobj::do_layout): Use separate arrays for output section
2259 and output offset.
2260 (Sized_relobj::do_count_local_symbols): Change map_to_output to
2261 output_sections.
2262 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
2263 output_sections and section_offsets.
2264 (Sized_relobj::write_local_symbols): Likewise.
2265 (map_to_kept_section): Compute output address directly.
2266 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
2267 output_sections and section_offsets.
2268 (Sized_relobj::write_sections): Likewise.
2269 (Sized_relobj::relocate_sections): Likewise.
2270 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
2271 * output.h (class Output_reloc): Update declarations. Change
2272 u2_.relobj to Sized_relobj*.
2273 (class Output_data_reloc): Change add functions to use
2274 Sized_relobj*.
2275 * output.cc (Output_reloc::Output_reloc): Change relobj to
2276 Sized_relobj*.
2277 (Output_reloc::local_section_offset): Change return type to
2278 Elf_Addr. Use get_output_section_offset.
2279 (Output_reloc::get_address): Likewise.
2280 (Output_section::is_input_address_mapped): Don't call
2281 is_section_specially_mapped.
2282 (Output_section::output_offset): Likewise.
2283 (Output_section::output_address): Likewise.
2284 (Output_section::starting_output_address): Likewise.
2285 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
2286 parameter to Sized_relobj*.
2287 (Copy_relocs::need_copy_reloc): Likewise.
2288 (Copy_relocs::save): Likewise.
2289 * copy-relocs.h (class Copy_relocs): Update declarations.
2290 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
2291 Sized_relobj*. Change relobj_ field to Sized_relobj*.
2292 * target-reloc.h (relocate_for_relocatable): Change
2293 offset_in_output_section type to Elf_Addr. Change code that uses
2294 it as well.
2295 * layout.cc (Layout::layout): Always set *off.
2296 * mapfile.cc (Mapfile::print_input_section): Use
2297 output_section_offset.
2298 * i386.cc (Target_i386::copy_reloc): Change object parameter to
2299 Sized_relobj*.
2300 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
2301 * sparc.cc (Target_sparc::copy_reloc): Likewise.
2302 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2303
2304 2008-07-03 Ian Lance Taylor <iant@google.com>
2305
2306 * layout.cc (Layout::include_section): Do not discard unrecognized
2307 SHT_STRTAB sections.
2308
2309 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
2310
2311 * script.cc (Lex::can_continue_name): Make '?' allowable in
2312 version-script names.
2313 * testsuite/version_script.map: Change glob pattern to use '?'
2314
2315 2008-06-30 Manish Singh <yosh@gimp.org>
2316
2317 PR 6585
2318 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
2319 Correct typo.
2320
2321 2008-06-30 Ian Lance Taylor <iant@google.com>
2322
2323 PR 6660
2324 PR 6682
2325 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
2326 versions]: Don't try to read the value in the contents, since we
2327 don't use it. Use the template endianness when writing.
2328
2329 2008-06-25 Cary Coutant <ccoutant@google.com>
2330
2331 * fileread.cc (File_read::make_view): Assert on zero-length view.
2332 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
2333 symbol table when there are no symbols to read.
2334
2335 2008-06-23 Craig Silverstein <csilvers@google.com>
2336
2337 * version.cc (version_string): Bump to 1.7
2338
2339 2008-06-18 Craig Silverstein <csilvers@google.com>
2340
2341 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
2342 constant 0xFFFF to type Valtype.
2343 (Powerpc_relocate_functions::rel16_ha): Likewise.
2344
2345 2008-06-17 Ian Lance Taylor <iant@google.com>
2346
2347 * output.h (Output_section::Input_section): Initialize p2align_ to
2348 zero for Output_section_data constructors.
2349 (Output_section::Input_section::addralign): If not an input
2350 section, return the alignment of the Output_section_data.
2351 * testsuite/copy_test.cc: New file.
2352 * testsuite/copy_test_1.cc: New file.
2353 * testsuite/copy_test_2.cc: New file.
2354 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
2355 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
2356 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
2357 (copy_test_1_pic.o, copy_test_1.so): New targets.
2358 (copy_test_2_pic.o, copy_test_2.so): New targets.
2359 * testsuite/Makefile.in: Rebuild.
2360
2361 * script-sections.cc (Script_sections::place_orphan): Initialize
2362 local variable exact.
2363
2364 2008-06-13 David Edelsohn <edelsohn@gnu.org>
2365
2366 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
2367
2368 2008-06-12 David Edelsohn <edelsohn@gnu.org>
2369 David S. Miller <davem@davemloft.net>
2370
2371 * powerpc.cc: New file.
2372 * Makefile.am (TARGETSOURCES): Add powerpc.cc
2373 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
2374 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
2375 * Makefile.in: Rebuild.
2376
2377 2008-06-09 Ian Lance Taylor <iant@google.com>
2378
2379 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
2380 <exception>.
2381 (throwing, orig_terminate): New static variables.
2382 (terminate_handler): New static function.
2383 (t2): Set terminate handler.
2384
2385 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
2386
2387 PR 6584
2388 * binary.cc (Binary_to_elf::sized_convert): Fix .data
2389 alignment.
2390
2391 2008-05-30 Cary Coutant <ccoutant@google.com>
2392
2393 * archive.cc (Archive::include_all_members) Correct to step
2394 over symbol table and extended name table in thin archives.
2395
2396 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
2397
2398 PR 6407
2399 * target-reloc.h (relocate_for_relocatable): Fix new_offset
2400 calculation.
2401
2402 2008-05-28 Caleb Howe <cshowe@google.com>
2403
2404 * reduced_debug_output.cc: New file.
2405 * reduced_debug_output.h: New file.
2406 * options.h (class General_options): Add --strip-debug-non-line.
2407 * options.cc (General_options::finalize): Add strip_debug_non_line
2408 to the strip heirarchy.
2409 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
2410 fields.
2411 * layout.cc: Include "reduced_debug_output.h".
2412 (Layout::Layout): Initialize new fields.
2413 (line_only_debug_sections): New static array.
2414 (is_lines_only_debug_sections): New static inline function.
2415 (Layout::include_section): Handle --strip-debug-non-line.
2416 (Layout::make_output_section): If --strip-debug-non-line, build
2417 new output sections for .debug_abbrev and .debug_info.
2418 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
2419 gold. Warn about possible overflow.
2420 (read_signed_LEB_128): Likewise.
2421 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
2422 (read_signed_LEB_128): Declare.
2423 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
2424 (HFILES): Add reduced_debug_output.h.
2425 * Makefile.in: Rebuild.
2426
2427 2008-05-21 Ian Lance Taylor <iant@google.com>
2428
2429 * mapfile.cc: New file.
2430 * mapfile.h: New file.
2431 * options.h (class General_options): Add -M/--print-map and -Map.
2432 * options.cc (General_options::finalize): Make -M equivalent to
2433 -Map -.
2434 * main.cc: Include <cstdio> and "mapfile.h".
2435 (main): Open mapfile if requested.
2436 * gold.cc (class Middle_runner): Add mapfile_ field. Update
2437 constructor. Change caller.
2438 (queue_initial_tasks): Add mapfile parameter. Change caller.
2439 (queue_middle_tasks): Likewise.
2440 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
2441 declarations.
2442 * archive.cc: Include "mapfile.h".
2443 (Archive::add_symbols): Add mapfile parameter. Change all
2444 callers. Pass mapfile, symbol, and reason to include_member.
2445 (Archive::include_all_members): Add mapfile parameter. Change all
2446 callers.
2447 (Archive::include_member): Add mapfile, sym, and why parameters.
2448 Change all callers. Report inclusion to map file.
2449 * archive.h: Include "fileread.h".
2450 (class Archive): Update declarations.
2451 (Archive::file): New const method.
2452 (class Add_archive_symbols): Add mapfile_ field. Update
2453 constructor. Change all callers.
2454 * readsyms.h (class Read_symbols): Likewise.
2455 (class Finish_group): Likewise.
2456 (class Read_script): Likewise.
2457 * common.cc: Include "mapfile.h".
2458 (Symbol_table::allocate_commons): Add mapfile parameter. Change
2459 all callers.
2460 (Symbol_table::do_allocate_commons): Likewise.
2461 (Symbol_table::do_allocate_commons_list): Likewise. Report common
2462 symbol allocation to mapfile.
2463 * common.h (class Allocate_commons_task): Add mapfile_ field.
2464 Update constructor. Change all callers.
2465 * symtab.h (class Symbol_table): Update declarations.
2466 * layout.cc: Include "mapfile.h".
2467 (Layout_task_runner::run): Print information to mapfile.
2468 (Layout::create_gold_note): Change Output_data_fixed_space to
2469 Output_data_zero_fill.
2470 (Layout::create_build_id): Likewise.
2471 (Layout::print_to_mapfile): New function.
2472 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
2473 constructor. Change caller.
2474 (class Layout): Declare print_to_mapfile.
2475 * output.cc (Output_section::Input_section::print_to_mapfile): New
2476 function.
2477 (Output_section::add_input_section): If producing a map, always
2478 add to input_sections_ list.
2479 (Output_section::do_print_to_mapfile): New function.
2480 (Output_segment::print_sections_to_mapfile): New function.
2481 (Output_segment::print_section_list_to_mapfile): New function.
2482 * output.h: Include "mapfile.h".
2483 (Output_data::print_to_mapfile): New function.
2484 (Output_data::do_print_to_mapfile): New virtual function.
2485 (Output_segment_headers::do_print_to_mapfile): New function.
2486 (Output_file_header::do_print_to_mapfile): New function.
2487 (Output_data_const::do_print_to_mapfile): New function.
2488 (class Output_data_const_buffer): Add map_name_ field. Update
2489 constructor. Change all callers. Add do_print_to_mapfile
2490 function.
2491 (class Output_data_fixed_space): Likewise.
2492 (class Output_data_space): Likewise.
2493 (class Output_data_zero_fill): New class.
2494 (Output_data_strtab::do_print_to_mapfile): New function.
2495 (Output_data_reloc_base::do_print_to_mapfile): New function.
2496 (Output_relocatable_relocs::do_print_to_mapfile): New function.
2497 (Output_data_group::do_print_to_mapfile): New function.
2498 (Output_data_got::do_print_to_mapfile): New function.
2499 (Output_data_dynamic::do_print_to_mapfile): New function.
2500 (Output_symtab_xindex::do_print_to_mapfile): New function.
2501 (class Output_section): Declare do_print_to_mapflie. Declare
2502 print_to_mapfile in Input_section.
2503 (class Output_segment): Declare new functions.
2504 * object.h (Sized_relobj::symbol_count): New function.
2505 * script-sections.cc
2506 (Output_section_element_dot_assignment::set_section_addresses):
2507 Change Output_data_fixed_space to Output_data_zero_fill.
2508 (Output_data_expression::do_print_to_mapfile): New function.
2509 * script.cc (read_input_script): Add mapfile parameter. Change
2510 all callers.
2511 * script.h (read_input_script): Update declaration.
2512 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
2513 (Eh_frame::do_print_to_mapfile): New function.
2514 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
2515 (Output_merge_string::do_print_to_mapfile): New function.
2516 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
2517 function.
2518 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
2519 function.
2520 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
2521 function.
2522 * Makefile.am (CCFILES): Add mapfile.cc.
2523 (HFILES): Add mapfile.h.
2524 * Makefile.in: Rebuild.
2525
2526 2008-05-19 Ian Lance Taylor <iant@google.com>
2527
2528 * options.h (class General_options): Add -z relro.
2529 * layout.cc (Layout::Layout): Initialize relro_segment_.
2530 (Layout::add_output_section_data): Return the output section.
2531 (Layout::make_output_section): Rcognize relro sections and mark
2532 them appropriately.
2533 (Layout::attach_allocated_section_to_segment): Put relro sections
2534 in a PT_GNU_RELRO segment.
2535 (Layout::create_initial_dynamic_sections): Mark the .dynamic
2536 section as relro.
2537 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
2538 PT_TLS segments.
2539 (Layout::linkonce_mapping): Map d.rel.ro.local to
2540 .data.rel.ro.local.
2541 (Layout::output_section_name): Us .data.rel.ro.local for any
2542 section which begins with that.
2543 * layout.h (class Layout): Update add_output_section_data
2544 declaration. Add relro_segment_ field.
2545 * output.cc (Output_section::Output_section): Initialize is_relro_
2546 and is_relro_local_ fields.
2547 (Output_segment::add_output_section): Group relro sections.
2548 (Output_segment::is_first_section_relro): New function.
2549 (Output_segment::maximum_alignment): If there is a relro section,
2550 align the segment to the common page size.
2551 (Output_segment::set_section_addresses): Track whether we are
2552 looking at relro sections. If the last section is a relro
2553 section, align to the common page size.
2554 (Output_segment::set_section_list_addresses): Add in_relro
2555 parameter. Change all callers. Align to the page size when
2556 moving from relro to non-relro section.
2557 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
2558 segment.
2559 * output.h (class Output_section): Add is_relro_ and
2560 is_relro_local_ fields.
2561 (Output_section::is_relro): New function.
2562 (Output_section::set_is_relro): New function.
2563 (Output_section::is_relro_local): New function.
2564 (Output_section::set_is_relro_local): New function.
2565 (class Output_segment): Update declarations.
2566 * i386.cc (Target_i386::got_section): Mark .got section as relro.
2567 * sparc.cc (Target_sparc::got_section): Likewise.
2568 * x86_64.cc (Target_x86_64::got_section): Likewise.
2569 * testsuite/relro_test_main.cc: New file.
2570 * testsuite/relro_test.cc: New file.
2571 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
2572 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
2573 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
2574 (relro_test.so, relro_test_pic.o): New targets.
2575 * testsuite/Makefile.in: Rebuild.
2576
2577 2008-05-16 Ian Lance Taylor <iant@google.com>
2578
2579 * output.cc (Output_segment::add_output_section): Remove front
2580 parameter.
2581 * output.h (class Output_segment): Remove
2582 add_initial_output_section and overloaded add_output_section.
2583 Update declaration of remaining add_output_section.
2584 * layout.cc (Layout::create_interp): Call add_output_section
2585 rather than add_initial_output_section.
2586 (Layout::finish_dynamic_section): Likewise.
2587
2588 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
2589 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
2590 know the dynamic type.
2591 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
2592 field. Initialize it in constructor.
2593 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
2594 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
2595 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
2596 reloc.
2597
2598 * output.cc (Output_reloc::get_address): Change return type to
2599 Elf_Addr.
2600 * output.h (class Output_reloc): Update get_address declaration.
2601 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
2602 for section addresses.
2603
2604 2008-05-09 Ian Lance Taylor <iant@google.com>
2605
2606 PR 6493
2607 * gold.cc (gold_nomem): Use return value of write.
2608
2609 2008-05-08 Ian Lance Taylor <iant@google.com>
2610
2611 * symtab.c (Symbol::init_base_output_data): Add version
2612 parameter. Change all callers.
2613 (Symbol::init_base_output_segment): Likewise.
2614 (Symbol::init_base_constant): Likewise.
2615 (Symbol::init_base_undefined): Likewise.
2616 (Sized_symbol::init_output_data): Likewise.
2617 (Sized_symbol::init_output_segment): Likewise.
2618 (Sized_symbol::init_constant): Likewise.
2619 (Sized_symbol::init_undefined): Likewise.
2620 (Symbol_table::do_define_in_output_data): If the new symbol has a
2621 version, mark it as the default.
2622 (Symbol_table::do_define_in_output_segment): Likewise.
2623 (Symbol_table::do_define_as_constant): Likewise.
2624 * symtab.h (class Symbol): Update declarations.
2625 (class Sized_symbol): Likewise.
2626 * resolve.cc (Symbol::override_version): New function.
2627 (Symbol::override_base): Call override_version.
2628 (Symbol::override_base_with_special): Likewise.
2629 * testsuite/ver_script_8.script: New file.
2630 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
2631 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
2632 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
2633 (ver_test_8_1.so, ver_test_8_2.so): New targets.
2634
2635 2008-05-06 Ian Lance Taylor <iant@google.com>
2636
2637 PR 6049
2638 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
2639 functions.
2640 (class General_options): Remove existing --undefined, and add
2641 --no-undefined instead. Add new --undefined as synonym for -u.
2642 * archive.cc (Archive::add_symbols): Check whether symbol was
2643 named with -u.
2644 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
2645 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
2646 all uses. Add IS_UNDEFINED. Update declarations to split
2647 different versions of init_base. Declare init_base_undefined.
2648 (Symbol::is_defined): Handle IS_UNDEFINED.
2649 (Symbol::is_undefined): Likewise.
2650 (Symbol::is_weak_undefined): Call is_undefined.
2651 (Symbol::is_absolute): Handle IS_CONSTANT.
2652 (class Sized_symbol): Update declarations to split different
2653 versions of init. Declare init_undefined.
2654 (class Symbol_table): Declare new functions.
2655 * symtab.cc (Symbol::init_base_object): Rename from init_base.
2656 Change all callers.
2657 (Symbol::init_base_output_data): Likewise.
2658 (Symbol::init_base_output_segment): Likewise.
2659 (Symbol::init_base_constant): Likewise.
2660 (Symbol::init_base_undefined): New function.
2661 (Sized_symbol::init_object): Rename from init. Change all
2662 callers.
2663 (Sized_symbol::init_output_data): Likewise.
2664 (Sized_symbol::init_output_segment): Likewise.
2665 (Sized_symbol::init_constant): Likewise.
2666 (Sized_symbol::init_undefined): New function.
2667 (Symbol_table::add_undefined_symbols_from_command_line): New
2668 function.
2669 (Symbol_table::do_add_undefined_symbols_from_command_line): New
2670 function.
2671 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
2672 (Symbol::output_section): Likewise.
2673 (Symbol::set_output_section): Likewise.
2674 (Symbol_table::sized_finalize_symbol): Likewise.
2675 (Symbol_table::sized_write_globals): Likewise.
2676 * resolve.cc (Symbol_table::should_override): Likewise.
2677 (Symbol::override_base_with_special): Likewise.
2678
2679 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
2680 symbol, change it to have default visibility.
2681 * testsuite/protected_1.cc: New file.
2682 * testsuite/protected_2.cc: New file.
2683 * testsuite/protected_3.cc: New file.
2684 * testsuite/protected_main_1.cc: New file.
2685 * testsuite/protected_main_2.cc: New file.
2686 * testsuite/protected_main_3.cc: New file.
2687 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
2688 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
2689 (protected_1_LDFLAGS, protected_1_LDADD): Define.
2690 (protected_1.so): New target.
2691 (protected_1_pic.o, protected_2_pic.o): New targets.
2692 (protected_3_pic.o): New target.
2693 (check_PROGRAMS): Add protected_2.
2694 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
2695 (protected_2_LDFLAGS, protected_2_LDADD): Define.
2696 * testsuite/Makefile.in: Rebuild.
2697
2698 * options.h (DEFINE_var): Add set_user_set_##varname__.
2699 (DEFINE_bool_alias): New macro.
2700 (class General_options): Define -Bstatic using DEFINE_bool_alias
2701 rather than DEFINE_special. Add --undefined as an alias for -z
2702 defs.
2703 * options.cc (General_options::parse_Bstatic): Remove.
2704
2705 * options.h (class General_options): Add --fatal-warnings.
2706 * main.cc (main): Implement --fatal-warnings.
2707 * errors.h (Errors::warning_count): New function.
2708
2709 * options.h (class General_options): Add -Bsymbolic-functions.
2710 * symtab.h (Symbol::is_preemptible): Check for
2711 -Bsymbolic-functions.
2712
2713 2008-05-05 Ian Lance Taylor <iant@google.com>
2714
2715 * options.h (DEFINE_bool): For DASH_Z, create the negative option
2716 as noVARNAME rather than no-VARNAME.
2717 (class General_options): Add option -z combreloc.
2718 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
2719 get_address.
2720 (Output_reloc::sort_before) [SHT_REL]: New function.
2721 (Output_reloc::sort_before) [SHT_RELA]: New function.
2722 (class Output_data_reloc_base): Add sort_relocs_ field. Define
2723 Sort_relocs_comparison.
2724 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
2725 parameter. Change all callers.
2726 (Output_data_reloc::Output_data_reloc) [both versions]: Add
2727 sort_relocs parameter. Change all callers.
2728 * output.cc (Output_reloc::get_address): New function, broken out
2729 of write_rel.
2730 (Output_reloc::write_rel): Call it.
2731 (Output_reloc::compare): New function.
2732 (Output_data_reloc_base::do_write): Optionally sort relocs.
2733
2734 * configure.ac: If targ_extra_obj is set, link it in.
2735 * configure.tgt: Initialize all variables.
2736 (x86_64*): Set targ_extra_obj and targ_extra_size.
2737 * configure: Rebuild.
2738
2739 * object.cc (Sized_relobj::include_section_group): Adjust section
2740 indexes read from group data. Build vector to pass to
2741 layout_group.
2742 * layout.cc (Layout::layout_group): Add flags and shndxes
2743 parameters. Remove contents parameter. Change caller. Update
2744 explicit instantiations.
2745 * layout.h (class Layout): Update layout_group declaration.
2746 * output.cc (Output_data_group::Output_data_group): Add flags and
2747 input_shndxes parameters. Remove contents parameter. Change
2748 caller.
2749 (Output_data_group::do_write): Change input_sections_ to
2750 input_shndxes_.
2751 * output.h (class Output_data_group): Update constructor
2752 declaration. Rename input_sections_ to input_shndxes_.
2753 * testsuite/many_sections_test.cc: Add template.
2754
2755 2008-04-30 Cary Coutant <ccoutant@google.com>
2756
2757 * target-reloc.h (relocate_section): Fix dead-pointer bug.
2758
2759 * layout.cc (Layout::include_section): Refactored check for debug
2760 info section.
2761 (Layout::add_comdat): Add new parameters. Change type
2762 of signature parameter. Add object and shndx to signatures table.
2763 (Layout::find_kept_object): New function.
2764 * layout.h: Include <cstring>.
2765 (Layout::is_debug_info_section): New function.
2766 (Layout::add_comdat): Add new parameters.
2767 (Layout::find_kept_object): New function.
2768 (Layout::Kept_section): New struct.
2769 (Layout::Signatures): Change type of map range.
2770 * object.cc (Relobj::output_section_address): New function.
2771 (Sized_relobj::include_section_group): Add new parameters. Change
2772 calls to Layout::add_comdat. Change to build table of kept comdat
2773 groups and table mapping discarded sections to kept sections.
2774 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
2775 (Sized_relobj::do_layout): Change calls to include_section_group and
2776 include_linkonce_section.
2777 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
2778 value to zero when section is discarded.
2779 (Sized_relobj::map_to_kept_section): New function.
2780 * object.h (Relobj::output_section_address): New function.
2781 (Relobj::Comdat_group): New type.
2782 (Relobj::find_comdat_group): New function.
2783 (Relobj::Comdat_group_table): New type.
2784 (Relobj::Kept_comdat_section): New type.
2785 (Relobj::Kept_comdat_section_table): New type.
2786 (Relobj::add_comdat_group): New function.
2787 (Relobj::set_kept_comdat_section): New function.
2788 (Relobj::get_kept_comdat_section): New function.
2789 (Relobj::comdat_groups_): New field.
2790 (Relobj::kept_comdat_sections_): New field.
2791 (Symbol_value::input_value): Update comment.
2792 (Sized_relobj::map_to_kept_section) New function.
2793 (Sized_relobj::include_linkonce_section): Add new parameter.
2794 * target-reloc.h (Comdat_behavior): New type.
2795 (get_comdat_behavior): New function.
2796 (relocate_section): Add code to map a discarded section to the
2797 corresponding kept section when applying a relocation.
2798
2799 2008-04-30 Craig Silverstein <csilvers@google.com>
2800
2801 * dwarf_reader.cc (next_generation_count): New static var.
2802 (Addr2line_cache_entry): New struct.
2803 (addr2line_cache): New static var.
2804 (Dwarf_line_info::one_addr2line): Added caching.
2805 (Dwarf_line_info::clear_addr2line_cache): New function.
2806 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
2807 cache-size parameter.
2808 (Dwarf_line_info::one_addr2line_cache): New function.
2809 * symtab.cc (Symbol_table::detect_odr_violations): Pass
2810 new cache-size argument to one_addr2line(), and clear cache.
2811
2812 2008-04-28 Cary Coutant <ccoutant@google.com>
2813
2814 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
2815 R_386_PC8 relocations.
2816
2817 2008-04-23 Ian Lance Taylor <iant@google.com>
2818
2819 * object.cc (Sized_relobj::include_section_group): Check for
2820 invalid section group.
2821
2822 * object.cc (make_elf_object): Correct test for 64-bit ELF file
2823 header size.
2824
2825 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
2826 than read for file header.
2827 * archive.cc (Archive::include_member): Likewise.
2828
2829 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
2830
2831 * aclocal.m4: Regenerate.
2832 * configure: Regenerate.
2833
2834 2008-04-19 Ian Lance Taylor <iant@google.com>
2835
2836 * version.cc (version_string): Bump to 1.6.
2837
2838 * testsuite/Makefile.am (many_sections_r_test): New target.
2839 (many_sections_r_test_SOURCES): Remove.
2840 (many_sections_r_test_DEPENDENCIES): Remove.
2841 (many_sections_r_test_LDFLAGS): Remove.
2842 (many_sections_r_test_LDADD): Remove.
2843
2844 * object.cc (Sized_relobj::do_add_symbols): Always pass
2845 local_symbol_count_ to add_from_relobj.
2846
2847 * testsuite/Makefile.am (many_sections_check.h): Only check one in
2848 every thousand variables.
2849 * testsuite/Makefile.in: Rebuild.
2850
2851 * object.cc (Xindex::initialize_symtab_xindex): New function.
2852 (Xindex::read_symtab_xindex): New function.
2853 (Xindex::sym_xindex_to_shndx): New function.
2854 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
2855 available.
2856 (Sized_relobj::do_initialize_xindex): New function.
2857 (Sized_relobj::do_read_symbols): Adjust section links.
2858 (Sized_relobj::symbol_section_and_value): Add is_ordinary
2859 parameter. Change all callers.
2860 (Sized_relobj::include_section_group): Adjust section links and
2861 symbol section indexes.
2862 (Sized_relobj::do_layout): Adjust section links.
2863 (Sized_relobj::do_count_local_symbols): Adjust section links and
2864 symbol section indexes.
2865 (Sized_relobj::do_finalize_local_symbols): Distinguish between
2866 ordinary and special symbols.
2867 (Sized_relobj::write_local_symbols): Add symtab_xindex and
2868 dynsym_xindex parameters. Change all callers. Adjust section
2869 links. Use SHN_XINDEX when needed.
2870 (Sized_relobj::get_symbol_location_info): Adjust section links.
2871 Don't get fooled by special symbols.
2872 * object.h (class Xindex): Define.
2873 (class Object): Add xindex_ parameter. Declare virtual functoin
2874 do_initialize_xindex.
2875 (Object::adjust_sym_shndx): New function.
2876 (Object::set_xindex): New protected function.
2877 (class Symbol_value): Add is_ordinary_shndx_ field.
2878 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
2879 (Symbol_value::value): Assert ordinary section.
2880 (Symbol_value::initialize_input_to_output_map): Likewise.
2881 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
2882 Change all callers.
2883 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
2884 all callers.
2885 (class Sized_relobj): Update declarations.
2886 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
2887 parameter. Change all callers.
2888 (Sized_relobj::adjust_shndx): New function.
2889 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
2890 field.
2891 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
2892 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
2893 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
2894 (Sized_dynobj::read_dynsym_section): Adjust section links.
2895 (Sized_dynobj::read_dynamic): Likewise.
2896 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
2897 section links.
2898 (Sized_dynobj::do_initialize_xindex): New function.
2899 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
2900 do_initialize_xindex.
2901 (Sized_dynobj::adjust_shndx): New function.
2902 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
2903 dynsym_xindex_ fields.
2904 (Layout::finalize): Add a call to set_section_indexes before
2905 creating the symtab sections.
2906 (Layout::set_section_indexes): Don't do anything if the section
2907 already has a section index.
2908 (Layout::create_symtab_sections): Add shnum parameter. Change
2909 caller. Create .symtab_shndx section if needed.
2910 (Layout::create_shdrs): Add shstrtab_section parameter. Change
2911 caller.
2912 (Layout::allocated_output_section_count): New function.
2913 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
2914 needed.
2915 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
2916 fields. Update declarations.
2917 (Layout::symtab_xindex): New function.
2918 (Layout::dynsym_xindex): New function.
2919 (class Write_symbols_task): Add layout_ field.
2920 (Write_symbols_task::Write_symbols_task): Add layout parameter.
2921 Change caller.
2922 * output.cc (Output_section_headers::Output_section_headers): Add
2923 shstrtab_section parameter. Change all callers.
2924 (Output_section_headers::do_sized_write): Store overflow values
2925 for section count and section string table section index in
2926 section header zero.
2927 (Output_file_header::do_sized_write): Check for overflow of
2928 section count and section string table section index.
2929 (Output_symtab_xindex::do_write): New function.
2930 (Output_symtab_xindex::endian_do_write): New function.
2931 * output.h (class Output_section_headers): Add shstrtab_section_.
2932 Update declarations.
2933 (class Output_symtab_xindex): Define.
2934 (Output_section::has_out_shndx): New function.
2935 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
2936 field.
2937 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
2938 Change all callers.
2939 (Sized_symbol::init): Likewise.
2940 (Symbol::output_section): Check for ordinary symbol.
2941 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
2942 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
2943 callers.
2944 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
2945 Change all callers. Simplify handling of symbols from sections
2946 not included in the link.
2947 (Symbol_table::add_from_dynobj): Handle ordinary symbol
2948 distinction.
2949 (Weak_alias_sorter::operator()): Assert that symbols are
2950 ordinary.
2951 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
2952 distinction.
2953 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
2954 parameters. Change all callers.
2955 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
2956 symbol distinction. Use SHN_XINDEX when needed.
2957 (Symbol_table::write_section_symbol): Add symtab_xindex
2958 parameter. Change all callers.
2959 (Symbol_table::sized_write_section_symbol): Likewise. Use
2960 SHN_XINDEX when needed.
2961 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
2962 declarations.
2963 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
2964 (Symbol::is_defined): Check is_ordinary.
2965 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
2966 (Symbol::is_absolute, Symbol::is_common): Likewise.
2967 (class Sized_symbol): Update declarations.
2968 (class Symbol_table): Update declarations.
2969 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
2970 parameters. Change all callers.
2971 (Sized_symbol::override): Likewise.
2972 (Symbol_table::override): Likewise.
2973 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
2974 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
2975 is_ordinary, and orig_st_shndx parameters. Change all callers.
2976 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
2977 to be in an ordinary section.
2978 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
2979 object and is_ordinary parameters. Change all callers.
2980 (Sized_dwarf_line_info::read_relocs): Add object parameter.
2981 Change all callers. Don't add undefined or non-ordinary symbols
2982 to reloc_map_.
2983 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
2984 Change all callers.
2985 * dwarf_reader.h (class Sized_dwarf_line_info): Update
2986 declarations.
2987 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
2988 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
2989 (Sized_relobj::relocate_sections): Likewise.
2990 * target-reloc.h (scan_relocs): Adjust section symbol index.
2991 (scan_relocatable_relocs): Likewise.
2992 * i386.cc (Scan::local): Check for ordinary symbols.
2993 * sparc.cc (Scan::local): Likewise.
2994 * x86_64.cc (Scan::local): Likewise.
2995 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
2996 to symbol_section_and_value.
2997 * testsuite/many_sections_test.cc: New file.
2998 * testsuite/Makefile.am (BUILT_SOURCES): Define.
2999 (check_PROGRAMS): Add many_sections_test.
3000 (many_sections_test_SOURCES): Define.
3001 (many_sections_test_DEPENDENCIES): Define.
3002 (many_sections_test_LDFLAGS): Define.
3003 (BUILT_SOURCES): Add many_sections_define.h.
3004 (many_sections_define.h): New target.
3005 (BUILT_SOURCES): Add many_sections_check.h.
3006 (many_sections_check.h): New target.
3007 (check_PROGRAMS): Add many_sections_r_test.
3008 (many_sections_r_test_SOURCES): Define.
3009 (many_sections_r_test_DEPENDENCIES): Define.
3010 (many_sections_r_test_LDFLAGS): Define.
3011 (many_sections_r_test_LDADD): Define.
3012 (many_sections_r_test.o): New target.
3013 * testsuite/Makefile.in: Rebuild.
3014
3015 2008-04-17 Cary Coutant <ccoutant@google.com>
3016
3017 * errors.cc (Errors::info): New function.
3018 (gold_info): New function.
3019 * errors.h (Errors::info): New function.
3020 * gold.h (gold_info): New function.
3021 * object.cc (Input_objects::add_object): Print trace output.
3022 * options.cc (options::parse_set): New function.
3023 (General_options::parse_wrap): Deleted.
3024 (General_options::General_options): Deleted initializer.
3025 * options.h (options::String_set): New typedef.
3026 (options::parse_set): New function.
3027 (DEFINE_set): New macro.
3028 (General_options::wrap): Changed to use DEFINE_set. Changed
3029 callers of any_wrap_symbols and is_wrap_symbol.
3030 (General_options::trace, General_options::trace_symbol):
3031 New options.
3032 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3033 (General_options::wrap_symbols_): Deleted.
3034 * symtab.cc (Symbol_table::add_from_object): Print trace output.
3035
3036 2008-04-17 David S. Miller <davem@davemloft.net>
3037
3038 * options.cc (General_options::parse_V): New function.
3039 * options.h: Add entries for -V and -Qy.
3040
3041 2008-04-17 Ian Lance Taylor <iant@google.com>
3042
3043 * common.cc (Symbol_table::allocate_commons): Remove options
3044 parameter. Change caller.
3045 (Symbol_table::do_allocate_commons): Remove options parameter.
3046 Change caller. Just call do_allocate_commons_list twice.
3047 (Symbol_table::do_allocate_commons_list): New function, broken out
3048 of do_allocate_commons.
3049 * common.h (class Allocate_commons_task): Remove options_ field.
3050 Update constructor.
3051 * symtab.cc (Symbol_table::Symbol_table): Initialize
3052 tls_commons_.
3053 (Symbol_table::add_from_object): Put TLS common symbols on
3054 tls_commons_ list.
3055 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3056 which are IN_OUTPUT_DATA.
3057 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
3058 allocate_commons and do_allocate_commons declarations. Declare
3059 do_allocate_commons_list.
3060 * gold.cc (queue_middle_tasks): Update creation of
3061 Allocate_commons_task to not pass options.
3062 * testsuite/Makefile.am (INCLUDES): Add -I.. .
3063 (TLS_TEST_C_FLAGS): New variable.
3064 (tls_test_c_pic.o): New target.
3065 (tls_test_shared.so): Link in tls_test_c_pic.o.
3066 (tls_test_c_pic_ie.o): New target.
3067 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3068 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3069 (tls_test_c.o): New target.
3070 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3071 (tls_pic_test_LDADD): Likewise.
3072 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3073 (tls_shared_gd_to_ie_test_LDADD): Likewise.
3074 (tls_test_c_gnu2.o): New target.
3075 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3076 tls_test_c_gnu2.o.
3077 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3078 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3079 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3080 * testsuite/tls_test.cc: Include "config.h".
3081 (t_last): Call t11_last.
3082 * testsuite/tls_test.h (t11, t11_last): Declare.
3083 * testsuite/tls_test_c.c: New file.
3084 * testsuite/tls_test_main.cc (thread_routine): Call t11.
3085 * configure.ac: Check for OpenMP support.
3086 * configure, config.in, Makefile.in: Rebuild.
3087 * testsuite/Makefile.in: Rebuild.
3088
3089 2008-04-16 Cary Coutant <ccoutant@google.com>
3090
3091 * i386.cc (Target_i386::define_tls_base_symbol): New function.
3092 (Target_i386::tls_base_symbol_defined_): New field.
3093 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3094 (Target_i386::Scan::global): Likewise.
3095 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
3096 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
3097 (Target_x86_64::tls_base_symbol_defined_): New field.
3098 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3099 (Target_x86_64::Scan::global): Likewise.
3100
3101 2008-04-16 Cary Coutant <ccoutant@google.com>
3102
3103 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
3104 (Symbol::needs_plt_entry): Allow weak undefined symbols.
3105 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
3106 building shared libraries.
3107 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
3108 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
3109 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
3110 * testsuite/Makefile.in: Rebuild.
3111 * testsuite/weak_undef.h: New file.
3112 * testsuite/weak_undef_file1.cc: Add extra test cases.
3113 * testsuite/weak_undef_file2.cc: Likewise.
3114 * testsuite/weak_undef_test.cc: Likewise.
3115
3116 2008-04-16 David S. Miller <davem@davemloft.net>
3117
3118 * sparc.cc (Target_sparc::Scan): Change from struct to class.
3119 Add issued_non_pic_error_ field. Declare check_non_pic.
3120 (Target_sparc::Scan::check_non_pic): New function.
3121 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
3122 (Target_sparc::Scan::global): Likewise.
3123
3124 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3125 * configure: Rebuild.
3126
3127 * options.h (DEFINE_enable): New macro.
3128 (new_dtags): New enable option.
3129 (initfirst, interpose, loadfltr, nodefaultlib,
3130 nodelete, nodlopen, nodump): New -z options.
3131 * layout.cc (Layout:finish_dynamic_section): If new
3132 dtags enabled, emit DT_RUNPATH. Also, emit a
3133 DT_FLAGS_1 containing any specified -z flags.
3134
3135 2008-04-16 Ian Lance Taylor <iant@google.com>
3136
3137 * copy-relocs.cc: New file.
3138 * copy-relocs.h: New file.
3139 * reloc.cc: Remove Copy_relocs code.
3140 * reloc.h: Likewise.
3141 * reloc-types.h (struct Reloc_types) [both versions]: Add
3142 get_reloc_addend_noerror.
3143 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
3144 variants of add_global which take an addend which must be zero.
3145 * i386.cc: Include "copy-relocs.h".
3146 (class Target_i386): Change type of copy_relocs_ to variable,
3147 update initializer.
3148 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
3149 Change all callers.
3150 (Target_i386::do_finalize_sections): Change handling of
3151 copy_relocs_.
3152 * sparc.cc: Include "copy-relocs.h".
3153 (class Target_sparc): Change type of copy_relocs_ to variable,
3154 update initializer.
3155 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
3156 Change all callers.
3157 (Target_sparc::do_finalize_sections): Change handling of
3158 copy_relocs_.
3159 * x86_64.cc: Include "copy-relocs.h".
3160 (class Target_x86_64): Change type of copy_relocs_ to variable,
3161 update initializer.
3162 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
3163 class. Change all callers.
3164 (Target_x86_64::do_finalize_sections): Change handling of
3165 copy_relocs_.
3166 * Makefile.am (CCFILES): Add copy-relocs.cc.
3167 (HFILES): Add copy-relocs.h.
3168
3169 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3170
3171 * testsuite/script_test_4.sh: Permit leading zeroes.
3172
3173 2008-04-15 Ian Lance Taylor <iant@google.com>
3174
3175 * script-sections.cc (Script_sections::create_segments): Use
3176 header_size_adjustment even when there is enough room for the
3177 headers.
3178 * testsuite/script_test_4.sh: New file.
3179 * testsuite/script_test_4.t: New file.
3180 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
3181 (check_DATA): Add script_test_4.stdout.
3182 (MOSTLYCLEANFILES): Likewise.
3183 (script_test_4): New target.
3184 (script_test_4.stdout): New target.
3185 * testsuite/Makefile.in: Rebuild.
3186
3187 * sparc.cc: Add definitions for Output_data_plt_sparc class
3188 constants.
3189
3190 2008-04-14 David S. Miller <davem@davemloft.net>
3191
3192 * sparc.cc: New file.
3193 * Makefile.am (TARGETSOURCES): Add sparc.cc
3194 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
3195 * configure.tgt: Document targ_extra_size and
3196 targ_extra_big_endian. Add entries for sparc-* and
3197 sparc64-*.
3198 * configure.ac: Handle targ_extra_size and
3199 targ_extra_big_endian.
3200 * Makefile.in: Rebuild.
3201 * configure: Likewise.
3202 * po/POTFILES.in: Likewise.
3203 * po/gold.pot: Likewise.
3204
3205 2008-04-14 Ian Lance Taylor <iant@google.com>
3206
3207 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
3208 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
3209 in the name/type/flags to section mapping. Don't call
3210 allocate_output_section.
3211 (Layout::choose_output_section): Change parameter from adjust_name
3212 to is_input_section. Don't permit input sections after sections
3213 are attached to segments. Don't call allocate_output_section.
3214 (Layout::layout_eh_frame): Call update_flags_for_input_section,
3215 not write_enable_output_section.
3216 (Layout::make_output_section): Don't push to
3217 unattached_section_list_ nor call attach_to_segment. Call
3218 attach_section_to_segment if sections are attached.
3219 (Layout::attach_sections_to_segments): New function.
3220 (Layout::attach_section_to_segment): New function.
3221 (Layout::attach_allocated_section_to_segment): Rename from
3222 attach_to_segment. Remove flags parameter.
3223 (Layout::allocate_output_section): Remove function.
3224 (Layout::write_enable_output_section): Remove function.
3225 * layout.h (class Layout): Update for above changes. Add new
3226 field sections_are_attached_.
3227 * output.h (Output_section::update_flags_for_input_section): New
3228 function.
3229 * output.cc (Output_section::add_input_section): Call
3230 update_flags_for_input_section.
3231 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
3232
3233 2008-04-11 Cary Coutant <ccoutant@google.com>
3234
3235 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
3236 thought unnecessary.
3237 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
3238
3239 2008-04-11 Ian Lance Taylor <iant@google.com>
3240
3241 * output.h (class Output_section_data): Remove inline definition
3242 of set_addralign.
3243 * output.cc (Output_section_data::set_addralign): New function.
3244
3245 2008-04-11 Cary Coutant <ccoutant@google.com>
3246
3247 Add support for TLS descriptors for i386 and x86_64.
3248 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
3249 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
3250 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
3251 GOT_TYPE_TLS_DESC.
3252 (Target_i386::got_mod_index_entry): Remove unnecessary code.
3253 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
3254 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
3255 relocations.
3256 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
3257 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
3258 Fix problem with initial-exec relocations.
3259 (Target_i386::Relocate::relocate_tls): Likewise.
3260 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
3261 relaxation.
3262 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
3263 support for section-plus-offset dynamic table entries.
3264 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
3265 (Output_data_dynamic::Dynamic_entry): Add support for
3266 section-plus-offset dynamic table entries.
3267 (Output_data_dynamic::Classification): Likewise.
3268 (Output_data_dynamic::classification_): Renamed offset_.
3269 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
3270 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
3271 (Target_x86_64::make_plt_section): New function.
3272 (Target_x86_64::reserve_tlsdesc_entries): New function.
3273 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
3274 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
3275 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
3276 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
3277 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
3278 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
3279 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
3280 add extra PLT entry for TLS descriptors.
3281 (Output_data_plt_x86_64::got_): New field.
3282 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
3283 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
3284 fields.
3285 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
3286 descriptors.
3287 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
3288 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
3289 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
3290 R_386_TLS_DESC_CALL relocations.
3291 (Target_x86_64::Scan::global): Likewise.
3292 (Target_x86_64::do_finalize_sections): Add dynamic table entries
3293 for TLS descriptors.
3294 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
3295 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
3296 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
3297 GD-to-IE relaxation.
3298 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
3299 and TLS_DESCRIPTORS.
3300 * Makefile.in: Rebuild.
3301 * configure: Rebuild.
3302 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
3303 (tls_test_shared2.so): New target.
3304 (tls_shared_gd_to_ie_test_SOURCES): New variable.
3305 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
3306 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
3307 (tls_shared_gd_to_ie_test_LDADD): New variable.
3308 (tls_shared_gnu2_gd_to_ie_test): New target.
3309 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
3310 New targets.
3311 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
3312 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
3313 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
3314 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
3315 (tls_shared_gnu2_test): New target.
3316 (tls_test_gnu2_shared.so): New target.
3317 (tls_shared_gnu2_test_SOURCES): New variable.
3318 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
3319 (tls_shared_gnu2_test_LDFLAGS): New variable.
3320 (tls_shared_gnu2_test_LDADD): New variable.
3321 * testsuite/Makefile.in: Rebuild.
3322 * testsuite/Makefile.
3323
3324 2008-04-11 Ian Lance Taylor <iant@google.com>
3325
3326 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
3327 justsyms.t.
3328 * testsuite/Makefile.in: Rebuild.
3329
3330 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
3331 long.
3332 * testsuite/script_test_2.cc (main): Adjust test.
3333
3334 2008-04-11 David S. Miller <davem@davemloft.net>
3335 Ian Lance Taylor <iant@google.com>
3336
3337 * options.h (General_options): Add entries for '-Y' and
3338 '-relax'.
3339 * options.cc (General_options:finalize): If -Y was used, add those
3340 entries to the library path instead of the default "/lib" and
3341 "/usr/lib".
3342
3343 2008-04-11 David S. Miller <davem@davemloft.net>
3344
3345 * testsuite/justsyms.t: Start at 0x100.
3346 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
3347 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
3348 long.
3349 * testsuite/script_test_2.cc: Adjust string and section length
3350 checks.
3351
3352 2008-04-09 Ian Lance Taylor <iant@google.com>
3353
3354 PR gold/5996
3355 * script-sections.cc (Sections_element::allocate_to_segment): Add
3356 orphan parameter.
3357 (Output_section_definition::allocate_to_segment): Likewise.
3358 (Orphan_output_section::allocate_to_segment): Likewise.
3359 (Script_sections::attach_sections_using_phdrs_clause): Don't
3360 propagate non-PT_LOAD segments to orphan sections.
3361 * testsuite/Makefile.am (script_test_3.stdout): Generate using
3362 readelf rather than objdump.
3363 * testsuite/script_test_3.sh: Adjust accordingly. Test that
3364 .interp section and PT_INTERP segment are the same size.
3365 * testsuite/Makefile.in: Rebuild.
3366
3367 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
3368 aliases for symbols defined in the same object.
3369 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
3370 (weak_alias_test_SOURCES): New variable.
3371 (weak_alias_test_DEPENDENCIES): New variable.
3372 (weak_alias_test_LDFLAGS): New variable.
3373 (weak_alias_test_LDADD): New variable.
3374 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
3375 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
3376 (weak_alias_test_3.o): New target.
3377 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
3378 * testsuite/weak_alias_test_main.cc: New file.
3379 * testsuite/weak_alias_test_1.cc: New file.
3380 * testsuite/weak_alias_test_2.cc: New file.
3381 * testsuite/weak_alias_test_3.cc: New file.
3382
3383 2008-04-08 Ian Lance Taylor <iant@google.com>
3384
3385 * options.h (class General_options): Add --noinhibit-exec option.
3386 * main.cc (main): Check --noinhibit-exec.
3387
3388 * options.h (class General_options): Define --wrap as a special
3389 option. Add wrap_symbols_ field.
3390 (General_options::any_wrap_symbols): New function.
3391 (General_options::is_wrap_symbol): New function.
3392 * options.cc (General_options::parse_wrap): New function.
3393 (General_options::General_options): Initialize wrap_symbols_.
3394 * symtab.cc (Symbol_table::wrap_symbol): New function.
3395 (Symbol_table::add_from_object): Handle --wrap.
3396 * symtab.h (class Symbol_table): Declare wrap_symbol.
3397 * target.h (Target::wrap_char): New function.
3398 (Target::Target_info): Add wrap_char field.
3399 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
3400 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3401 * testsuite/testfile.cc (Target_test::test_target_info):
3402 Likewise.
3403
3404 * errors.cc (Errors::undefined_symbol): Mention symbol version if
3405 there is one.
3406
3407 * layout.h (class Layout): Add added_eh_frame_data_ field.
3408 * layout.cc (Layout::Layout): Initialize new field.
3409 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
3410 output section until we find a section we merged successfully.
3411 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
3412 that the size be non-zero.
3413
3414 * merge.cc (Object_merge_map::get_output_offset): Remove inline
3415 qualifier.
3416
3417 2008-04-08 Craig Silverstein <csilvers@google.com>
3418
3419 * configure.ac: Export new conditional variable HAVE_ZLIB.
3420 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
3421 on HAVE_ZLIB.
3422 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
3423 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3424
3425 2008-04-07 Ian Lance Taylor <iant@google.com>
3426
3427 * version.cc (version_string): Set to "1.5".
3428
3429 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
3430 Add issued_non_pic_error_ field. Declare check_non_pic.
3431 (Target_x86_64::Scan::check_non_pic): New function.
3432 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
3433 (Target_x86_64::Scan::global): Likewise.
3434
3435 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
3436 addend parameter. Change caller. Handle merge sections.
3437 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
3438 Address to Addend. Don't add in the result of
3439 local_section_offset, pass down the addend and use the returned
3440 value.
3441 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
3442 Update declarations of local_section_offset and symbol_value.
3443 * testsuite/two_file_test_1.cc (t18): New function.
3444 * testsuite/two_file_test_2.cc (f18): New function.
3445 * testsuite/two_file_test_main.cc (main): Call t18.
3446 * testsuite/two_file_test.h (t18, f18): Declare.
3447
3448 * configure.ac: Don't test for objdump, c++filt, or readelf.
3449 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
3450 conditionals.
3451 (TEST_READELF): New variable.
3452 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
3453 (check_PROGRAMS): Add two_file_strip_test.
3454 (two_file_strip_test): New target.
3455 (check_PROGRAMS): Add two_file_same_shared_strip_test.
3456 (two_file_same_shared_strip_test_SOURCES): New variable.
3457 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
3458 (two_file_same_shared_strip_test_LDFLAGS): New variable.
3459 (two_file_same_shared_strip_test_LDADD): New variable.
3460 (two_file_shared_strip.so): New target.
3461 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
3462 (ver_test_5.syms, ver_test_7.syms): Likewise.
3463 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
3464 (strip_test_3.stdout): Use TEST_OBJDUMP.
3465 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3466
3467 2008-04-04 Cary Coutant <ccoutant@google.com>
3468
3469 * symtab.h (Symbol::is_weak_undefined): New function.
3470 (Symbol::is_strong_undefined): New function.
3471 (Symbol::is_absolute): New function.
3472 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
3473 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
3474 absolute symbols.
3475 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
3476 (weak_undef_test): New target.
3477 * testsuite/Makefile.in: Rebuild.
3478 * testsuite/weak_undef_file1.cc: New file.
3479 * testsuite/weak_undef_file2.cc: New file.
3480 * testsuite/weak_undef_test.cc: New file.
3481
3482 2008-04-03 Craig Silverstein <csilvers@google.com>
3483
3484 * compressed_output.h (class Output_compressed_section): Use
3485 unsigned buffer.
3486 * compressed_output.cc (zlib_compress): Use unsigned buffers,
3487 add zlib header.
3488 (zlib_compressed_suffix): Removed.
3489 (Output_compressed_section::set_final_data_size): Use unsigned
3490 buffers.
3491 * testsuite/Makefile.am (flagstest_compress_debug_sections):
3492 Fix linker invocation.
3493 (flagstest_o_specialfile_and_compress_debug_sections):
3494 Likewise.
3495 * testsuite/Makefile.in: Regenerated.
3496
3497 2008-04-02 David S. Miller <davem@davemloft.net>
3498
3499 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
3500 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
3501
3502 2008-04-02 Craig Silverstein <csilvers@google.com>
3503
3504 * TODO: New file.
3505
3506 2008-04-02 Ian Lance Taylor <iant@google.com>
3507
3508 * fileread.cc (File_read::find_view): Add byteshift and vshifted
3509 parameters. Update for new key type to views_. Change all
3510 callers.
3511 (File_read::read): Adjust for byteshift in returned view.
3512 (File_read::add_view): New function, broken out of
3513 find_and_make_view.
3514 (File_read::make_view): New function, broken out of
3515 find_and_make_view.
3516 (File_read::find_or_make_view): Add offset and aligned
3517 parameters. Rewrite accordingly. Change all callers.
3518 (File_read::get_view): Add offset and aligned parameters. Adjust
3519 for byteshift in return value.
3520 (File_read::get_lasting_view): Likewise.
3521 * fileread.h (class File_read): Update declarations.
3522 (class File_read::View): Add byteshift_ field. Add byteshift to
3523 constructor. Add byteshift method.
3524 * archive.h (Archive::clear_uncached_views): New function.
3525 (Archive::get_view): Add aligned parameter. Change all callers.
3526 * object.h (Object::get_view): Add aligned parameter. Change all
3527 callers.
3528 (Object::get_lasting_view): Likewise.
3529
3530 * fileread.cc (File_read::release): Don't call clear_views if
3531 there are multiple objects.
3532 * fileread.h (File_read::clear_uncached_views): New function.
3533 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
3534 on the archive.
3535
3536 2008-03-31 Cary Coutant <ccoutant@google.com>
3537
3538 Add thin archive support.
3539 * archive.cc (Archive::armagt): New const.
3540 (Archive::setup): Remove task parameter and calls to unlock.
3541 (Archive::unlock_nested_archives): New function.
3542 (Archive::read_header): Add nested_off parameter. Change
3543 all callers.
3544 (Archive::interpret_header): Likewise.
3545 (Archive::include_all_members): Change to handle thin
3546 archives.
3547 (Archive::include_member): Likewise.
3548 * archive.h (Archive::Archive): Add new parameters and
3549 initializers.
3550 (Archive::armagt): New const.
3551 (Archive::setup): Remove task parameter.
3552 (Archive::unlock_nested_archives): New function.
3553 (Archive::read_header): Add nested_off parameter.
3554 (Archive::interpret_header): Likewise.
3555 (Archive::Nested_archive_table): New typedef.
3556 (Archive::is_thin_archive_): New field.
3557 (Archive::nested_archives_): New field.
3558 (Archive::options_): New field.
3559 (Archive::dirpath_): New field.
3560 (Archive::task_): New field.
3561 * readsyms.cc (Read_symbols::do_read_symbols): Add check
3562 for thin archives. Pass additional parameters to
3563 Archive::Archive. Unlock the archive file after calling
3564 Archive::setup.
3565
3566 2008-03-29 Ian Lance Taylor <iant@google.com>
3567
3568 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
3569 version symbol to be local.
3570 * testsuite/ver_test_4.sh: New file.
3571 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
3572 (check_DATA): Add ver_test_4.syms.
3573 (ver_test_4.syms): New target.
3574 * testsuite/Makefile.in: Rebuild.
3575
3576 * output.cc
3577 (Output_section::Input_section_sort_entry::has_priority): New
3578 function.
3579 (Output_section::Input_section_sort_entry::match_file_name): New
3580 function.
3581 (Output_section::Input_section_sort_entry::match_section_name):
3582 Remove.
3583 (Output_section::Input_section_sort_entry::match_section_name_prefix):
3584 Remove.
3585 (Output_section::Input_section_sort_entry::match_section_file):
3586 Remove.
3587 (Output_section::Input_section_sort_compare::operator()): Rewrite
3588 using new Input_section_sort_entry functions. Sort crtbegin and
3589 crtend first. Sort sections with no priority before sections with
3590 a priority.
3591 * testsuite/initpri1.c (d3): Check j != 4.
3592 (cd5): New constructor/destructor function.
3593 (main): Check j != 2.
3594
3595 * symtab.cc (Symbol_table::add_from_object): If we don't use the
3596 new symbol when resolving, don't call set_is_default.
3597 * testsuite/ver_test_7.cc: New file.
3598 * testsuite/ver_test_7.sh: New file.
3599 * testsuite/Makefile.am (ver_test_7.so): New target.
3600 (ver_test_7.o): New target.
3601 (check_SCRIPTS): Add ver_test_7.sh.
3602 (check_DATA): Add ver_test_7.syms.
3603 (ver_test_7.syms): New target.
3604
3605 2008-03-28 Ian Lance Taylor <iant@google.com>
3606
3607 * layout.cc (Layout::layout): If we see an input section with a
3608 name that needs sorting, set the must_sort flag for the output
3609 section.
3610 (Layout::make_output_section): If the name of the output section
3611 indicates that it might require sorting, set the may_sort flag.
3612 * output.h (Output_section::may_sort_attached_input_sections): New
3613 function.
3614 (Output_section::set_may_sort_attached_input_sections): New
3615 function.
3616 (Output_section::must_sort_attached_input_sections): New
3617 function.
3618 (Output_section::set_must_sort_attached_input_sections): New
3619 function.
3620 (class Output_section): Declare Input_section_sort_entry. Define
3621 Input_section_sort_compare. Declare
3622 sort_attached_input_sections. Add new fields:
3623 may_sort_attached_input_sections_,
3624 must_sort_attached_input_sections_,
3625 attached_input_sections_are_sorted_.
3626 * output.cc (Output_section::Output_section): Initialize new
3627 fields.
3628 (Output_section::add_input_section): Add an entry to
3629 input_sections_ if may_sort or must_sort are true.
3630 (Output_section::set_final_data_size): Call
3631 sort_attached_input_sections if necessary.
3632 (Output_section::Input_section_sort_entry): Define new class.
3633 (Output_section::Input_section_sort_compare::operator()): New
3634 function.
3635 (Output_section::sort_attached_input_sections): New function.
3636 * configure.ac: Check whether the compiler supports constructor
3637 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
3638 * testsuite/initpri1.c: New file.
3639 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
3640 CONSTRUCTOR_PRIORITY.
3641 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
3642 (initpri1_LDFLAGS): New variable.
3643 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3644
3645 2008-03-27 Ian Lance Taylor <iant@google.com>
3646
3647 * common.cc (Sort_commons::operator): Correct sorting algorithm.
3648 * testsuite/common_test_1.c: New file.
3649 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
3650 (common_test_1_SOURCES): New variable.
3651 (common_test_1_DEPENDENCIES): New variable.
3652 (common_test_1_LDFLAGS): New variable.
3653
3654 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
3655 and commons_ correctly when NAME/VERSION does not override
3656 NAME/NULL.
3657 * testsuite/ver_test_6.c: New file.
3658 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
3659 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
3660 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
3661
3662 2008-03-26 Ian Lance Taylor <iant@google.com>
3663
3664 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
3665 of an undefined symbol from a version script.
3666 * testsuite/Makefile.am (ver_test_5.so): New target.
3667 (ver_test_5.o): New target.
3668 (check_SCRIPTS): Add ver_test_5.sh.
3669 (check_DATA): Add ver_test_5.syms.
3670 (ver_test_5.syms): New target.
3671 * testsuite/ver_test_5.cc: New file.
3672 * testsuite/ver_test_5.script: New file.
3673 * testsuite/ver_test_5.sh: New file.
3674 * Makefile.in, testsuite/Makefile.in: Rebuild.
3675
3676 PR gold/5986
3677 Fix problems building gold with gcc 4.3.0.
3678 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
3679 (gold_error_at_location, gold_warning_at_location): Use it.
3680 * configure.ac: Check whether we can compile and use a template
3681 function with a printf attribute.
3682 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
3683 when jumping over bytes.
3684 * object.cc: Instantiate Object::read_section_data.
3685 * debug.h: Include <cstring>
3686 * dwarf_reader.cc: Include <algorithm>
3687 * main.cc: Include <cstring>.
3688 * options.cc: Include <cstring>.
3689 * output.cc: Include <cstring>.
3690 * script.cc: Include <cstring>.
3691 * script.h: Include <string>.
3692 * symtab.cc: Include <cstring> and <algorithm>.
3693 * target-select.cc: Include <cstring>.
3694 * version.cc: Include <string>.
3695 * testsuite/testmain.cc: Include <cstdlib>.
3696 * configure, config.in: Rebuild.
3697
3698 2008-03-25 Ian Lance Taylor <iant@google.com>
3699
3700 * options.cc: Include "../bfd/bfdver.h".
3701 (options::help): Print bug reporting address.
3702
3703 * version.cc (print_version): Adjust output for current value of
3704 BFD_VERSION_STRING.
3705
3706 * NEWS: New file.
3707
3708 * options.cc (options::help): Print list of supported targets.
3709 * target-select.h: Include <vector>.
3710 (class Target_selector): Make machine_, size_, and is_big_endian_
3711 fields const. Add bfd_name_ and instantiated_target_ fields.
3712 (Target_selector::Target_selector): Add bfd_name parameter.
3713 (Target_selector::recognize): Make non-virtual, call
3714 do_recognize.
3715 (Target_selector::recognize_by_name): Make non-virtual, call
3716 do_recognize_by_name.
3717 (Target_selector::supported_names): New function.
3718 (Target_selector::bfd_name): New function.
3719 (Target_selector::do_instantiate_target): New pure virtual
3720 function.
3721 (Target_selector::do_recognize): New virtual function.
3722 (Target_selector::do_recognize_by_name): New virtual function.
3723 (Target_selector::instantiate_target): New private function.
3724 (supported_target_names): Declare.
3725 * target-select.cc (Target_selector::Target_selector): Update for
3726 new parameter and fields.
3727 (select_target_by_name): Check that the name matches before
3728 calling recognize_by_name.
3729 (supported_target_names): New function.
3730 * i386.cc (class Target_selector_i386): Update Target_selector
3731 constructor call. Remove recognize and recognize_by_name. Add
3732 do_instantiate_target.
3733 * x86_64.cc (class Target_selector_x86_64): Likewise.
3734 * testsuite/testfile.cc (class Target_selector_test): Update for
3735 changes to Target_selector.
3736
3737 * README: Rewrite, with some notes on unsupported features.
3738
3739 2008-03-24 Cary Coutant <ccoutant@google.com>
3740
3741 * i386.cc (Target_i386::Got_type): New enum declaration.
3742 (Target_i386::Scan::local): Updated callers of Output_data_got
3743 member functions.
3744 (Target_i386::Scan::global): Likewise.
3745 (Target_i386::Relocate::relocate): Likewise.
3746 (Target_i386::Relocate::relocate_tls): Likewise.
3747 * object.h (Got_offset_list): New class.
3748 (Sized_relobj::local_has_got_offset): Added got_type parameter.
3749 (Sized_relobj::local_got_offset): Likewise.
3750 (Sized_relobj::set_local_got_offset): Likewise.
3751 (Sized_relobj::local_has_tls_got_offset): Removed.
3752 (Sized_relobj::local_tls_got_offset): Removed.
3753 (Sized_relobj::set_local_tls_got_offset): Removed.
3754 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
3755 * output.cc (Output_data_got::add_global): Added got_type parameter.
3756 (Output_data_got::add_global_with_rel): Likewise.
3757 (Output_data_got::add_global_with_rela): Likewise.
3758 (Output_data_got::add_global_pair_with_rel): New function.
3759 (Output_data_got::add_global_pair_with_rela): New function.
3760 (Output_data_got::add_local): Added got_type parameter.
3761 (Output_data_got::add_local_with_rel): Likewise.
3762 (Output_data_got::add_local_with_rela): Likewise.
3763 (Output_data_got::add_local_pair_with_rel): New function.
3764 (Output_data_got::add_local_pair_with_rela): New function.
3765 (Output_data_got::add_global_tls): Removed.
3766 (Output_data_got::add_global_tls_with_rel): Removed.
3767 (Output_data_got::add_global_tls_with_rela): Removed.
3768 (Output_data_got::add_local_tls): Removed.
3769 (Output_data_got::add_local_tls_with_rel): Removed.
3770 (Output_data_got::add_local_tls_with_rela): Removed.
3771 * output.h (Output_data_got::add_global): Added got_type parameter.
3772 (Output_data_got::add_global_with_rel): Likewise.
3773 (Output_data_got::add_global_with_rela): Likewise.
3774 (Output_data_got::add_global_pair_with_rel): New function.
3775 (Output_data_got::add_global_pair_with_rela): New function.
3776 (Output_data_got::add_local): Added got_type parameter.
3777 (Output_data_got::add_local_with_rel): Likewise.
3778 (Output_data_got::add_local_with_rela): Likewise.
3779 (Output_data_got::add_local_pair_with_rel): New function.
3780 (Output_data_got::add_local_pair_with_rela): New function.
3781 (Output_data_got::add_global_tls): Removed.
3782 (Output_data_got::add_global_tls_with_rel): Removed.
3783 (Output_data_got::add_global_tls_with_rela): Removed.
3784 (Output_data_got::add_local_tls): Removed.
3785 (Output_data_got::add_local_tls_with_rel): Removed.
3786 (Output_data_got::add_local_tls_with_rela): Removed.
3787 * resolve.cc (Symbol::override_base_with_special): Removed
3788 reference to has_got_offset_ field.
3789 * symtab.cc (Symbol::init_fields): Replaced initialization
3790 of got_offset_ with got_offsets_. Removed initialization
3791 of has_got_offset_
3792 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
3793 (Symbol::got_offset): Likewise.
3794 (Symbol::set_got_offset): Likewise.
3795 (Symbol::has_tls_got_offset): Removed.
3796 (Symbol::tls_got_offset): Removed.
3797 (Symbol::set_tls_got_offset): Removed.
3798 (Symbol::got_offset_): Removed.
3799 (Symbol::tls_mod_got_offset_): Removed.
3800 (Symbol::tls_pair_got_offset_): Removed.
3801 (Symbol::got_offsets_): New field.
3802 (Symbol::has_got_offset): Removed.
3803 (Symbol::has_tls_mod_got_offset): Removed.
3804 (Symbol::has_tls_pair_got_offset): Removed.
3805 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
3806 (Target_x86_64::Scan::local): Updated callers of Output_data_got
3807 member functions.
3808 (Target_x86_64::Scan::global): Likewise.
3809 (Target_x86_64::Relocate::relocate): Likewise.
3810 (Target_x86_64::Relocate::relocate_tls): Likewise.
3811
3812 2008-03-25 Ben Elliston <bje@au.ibm.com>
3813
3814 * yyscript.y: Fix spelling error in comment.
3815
3816 2008-03-24 Ian Lance Taylor <iant@google.com>
3817
3818 * options.h (class General_options): Define build_id option.
3819 * layout.h (class Layout): Declare write_build_id, create_note,
3820 create_build_id. Add build_id_note_ member.
3821 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
3822 "libiberty.h", "md5.h", "sha1.h".
3823 (Layout::Layout): Initialize eh_frame_data_,
3824 eh_frame_hdr_section_, and build_id_note_.
3825 (Layout::finalize): Call create_build_id.
3826 (Layout::create_note): New function, broken out of
3827 Layout::create_gold_note.
3828 (Layout::create_gold_note): Call create_note.
3829 (Layout::create_build_id): New function.
3830 (Layout::write_build_id): New function.
3831 (Close_task_runner::run): Call write_build_id.
3832
3833 * x86_64.cc: Correct license to GPLv3.
3834
3835 2008-03-23 Ian Lance Taylor <iant@google.com>
3836
3837 * options.cc: Include "demangle.h".
3838 (parse_optional_string): New function.
3839 (parse_long_option): Handle takes_optional_argument.
3840 (parse_short_option): Update dash_z initializer. Handle
3841 takes_optional_argument.
3842 (General_options::General_options): Initialize do_demangle_.
3843 (General_options::finalize): Set do_demangle_. Handle demangling
3844 style.
3845 * options.h (parse_optional_string): Declare.
3846 (struct One_option): Add optional_arg field. Update constructor.
3847 Update call constructor calls. Add takes_optional_argument
3848 function.
3849 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
3850 (DEFINE_optional_string): Define.
3851 (General_options::demangle): Change from DEFINE_bool to
3852 DEFINE_optional_string.
3853 (General_options::no_demangle): New function.
3854 (General_options::do_demangle): New function.
3855 (General_options::set_do_demangle): New function.
3856 (General_options::execstack_status_): Move definition to end of
3857 class definition.
3858 (General_options::static_): Likewise.
3859 (General_options::do_demangle_): New field.
3860 * object.cc (big_endian>::get_symbol_location_info): Call
3861 Options::do_demangle, not Options::demangle.
3862 * symtab.cc (demangle): Likewise.
3863
3864 2008-03-22 Ian Lance Taylor <iant@google.com>
3865
3866 * gold.h: Include <cstddef> and <sys/types.h>
3867 * options.h: Include <cstring>.
3868
3869 2008-03-21 Ian Lance Taylor <iant@google.com>
3870
3871 * Added source code to GNU binutils.