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PR 10471
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
645afe0c
CC		 12009-08-12 Cary Coutant <ccoutant@google.com>
2
3 PR 10471
4 * resolve.cc (Symbol_table::resolve): Check for references from
5 dynamic objects to hidden and internal symbols.
6 * testsuite/Makefile.am (hidden_test.sh): New test.
7 * testsuite/Makefile.in: Regenerate.
8 * testsuite/hidden_test.sh: New script.
9 * testsuite/hidden_test_1.c: New test source.
10 * testsuite/hidden_test_main.c: New test source.
11
11af873f
DK		 122009-08-11 Doug Kwan <dougkwan@google.com>
13
14 * arm.cc: Update comments.
15 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
16 segment to locate the .ARM.exidx section if present.
17
b9f7d72d
DK		 182009-08-09 Doug Kwan <dougkwan@google.com>
19
20 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
21 patch.
22
ddd3c53c
ST		 232009-08-07 Sriraman Tallam <tmsriram@google.com>
24 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
25 compiler warnings.
26
27721062
ST		 272009-08-06 Sriraman Tallam <tmsriram@google.com>
28
29 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
30 valid tls_segment only for non-debug-section relocations.
31 * testsuite/Makefile.am: Add gc_tls_test.
32 * testsuite/Makefile.in: Regenerate.
33 * testsuite/gc_tls_test.cc: New file.
34 * testsuite/gc_tls_test.sh: New file.
35
ef15dade
ST		 362009-08-05 Sriraman Tallam <tmsriram@google.com>
37
38 * icf.cc: New file.
39 * icf.h: New file.
40 * Makefile.am (CCFILES): Add icf.cc.
41 (HFILES): Add icf.h
42 * Makefile.in: Regenerate.
43 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
44 * gc.h (gc_process_relocs): Populate lists used by icf to contain
45 section, symbol and addend information for the relocs.
46 * gold.cc (queue_middle_tasks): Call identical code folding.
47 * gold.h: Add defines for multimap.
48 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
49 to the call of finalize_local_symbols.
50 * main.cc (main): Create object of class Icf.
51 * object.cc (Sized_relobj::do_layout): Allow this function to be
52 called twice during icf.
53 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
54 to sections marked as identical by icf.
55 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
56 when available.
57 (Sized_relobj::do_section_entsize): New function.
58 * object.h (Object::section_entsize): New function.
59 (Object::do_section_entsize): New pure virtual function.
60 (Relobj::finalize_local_symbols): Add new parameter.
61 (Relobj::do_section_entsize): New function.
62 * options.h (General_options::icf): New option.
63 (General_options::icf_iterations): New option.
64 (General_options::print_icf_sections): New option.
65 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
66 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
67 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
68 icf.
69 * symtab.cc (Symbol_table::is_section_folded): New function.
70 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
71 to sections marked as identical by icf.
72 * symtab.h (Symbol_table::set_icf): New function.
73 (Symbol_table::icf): New function.
74 (Symbol_table::is_section_folded): New function.
75 (Symbol_table::icf_): New data member.
76 * target-reloc.h (relocate_section): Ignore sections folded by icf.
77 * testsuite/Makefile.am: Add commands to build icf_test.
78 * testsuite/Makefile.in: Regenerate.
79 * testsuite/icf_test.sh: New file.
80 * testsuite/icf_test.cc: New file.
81
c3b65ac4
CD		 822009-07-24 Chris Demetriou <cgd@google.com>
83
84 * layout.cc (is_compressible_debug_section): Fix incorrect
85 comment about compressed section names.
86
1caf2c51
ILT		 872009-07-20 Ian Lance Taylor <ian@airs.com>
88
89 PR 10419
90 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
91
1ef4d87f
ILT		 922009-07-16 Ian Lance Taylor <iant@google.com>
93
94 PR 10400
95 * layout.h: #include <map>.
96 (class Kept_section): Change from struct to class. Add accessors
97 and setters. Add section size to Comdat_group mapping. Change
98 Comdat_group to std::map. Add is_comdat_ field. Add
99 linkonce_size field in union.
100 (class Layout): Update declaration of find_or_add_kept_section.
101 Don't declare find_kept_object.
102 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
103 parameter. Add object, shndx, is_comdat, and is_group_name
104 parameters. Change all callers. Adjust for new Kept_section.
105 (Layout::find_kept_object): Remove.
106 * object.cc (Sized_relobj::include_section_group): Update use of
107 Kept_section. Rename secnum to shndx. Only record
108 Kept_comdat_section if sections are the same size.
109 (Sized_relobj::include_linkonce_section): Update use of
110 Kept_section. Only record Kept_comdat_section if sections are the
111 same size. Set size of linkonce section.
112 (Sized_relobj::map_to_kept_section): Update call to
113 get_kept_comdat_section.
114 * object.h (class Sized_relobj): Rename fields in
115 Kept_comdat_section to drop trailing underscores; change object
116 field to Relobj*. Change Kept_comdat_section_table to store
117 struct rather than pointer.
118 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
119 Add kept_object and kept_shndx parameters. Change all callers.
120 (Sized_relobj::get_kept_comdat_section): Change return type to
121 bool. Add kept_object and kept_shndx parameters. Change all
122 callers.
123 * plugin.cc (Pluginobj::include_comdat_group): Update call to
124 Layout::find_or_add_kept_section.
125
37c3b7b0
ILT		 1262009-07-09 Ian Lance Taylor <iant@google.com>
127
128 * merge.cc (Object_merge_map::initialize_input_to_output_map):
129 Reserve space in the hash table.
130
98fa85cb
ILT		 1312009-07-06 Mikolaj Zalewski <mikolajz@google.com>
132
133 * fileread.cc (File_read::get_mtime): New method.
134 * fileread.h (Timespec): New structure.
135 (File_read::get_mtime): New method.
136 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
137 Renamed from timestamp_nsec.
138 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
139 Elf_Xword.
140 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
141 timestamp_nsec.
142 (Incremental_inputs::report_archive): Save mtime; style fix.
143 (Incremental_inputs::report_obejct): Save mtime; style fix.
144 (Incremental_inputs::report_script): Save mtime; style fix.
145 (Incremental_inputs::finalize_inputs): Style fix.
146 (Incremental_inputs::finalize): Style fix.
147 (Incremental_inputs::create_input_section_data): Store inputs
148 mtime.
149 * incremental.h (Incremental_inputs::report_script): Add mtime
150 argument.
151 (Incremental_inputs::Input_info::Input_info): Intialize only one
152 union member.
153 (Incremental_inputs::Input_info::archive): Move to nameless
154 union.
155 (Incremental_inputs::Input_info::obejct): Move to nameless union.
156 (Incremental_inputs::Input_info::script): Move to nameless union.
157 (Incremental_inputs::mtime): New field.
158 * script.cc (read_input_script): Pass file mtime to
159 Incremental_input.
160 * script.h (Script_info::inputs): Style fix.
161
c9d70757
ILT		 1622009-07-01 Ian Lance Taylor <ian@airs.com>
163
164 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
165 instead of 32.
166
9c547ec3
ILT		 1672009-06-24 Ian Lance Taylor <iant@google.com>
168
169 PR 10156
170 * layout.cc (Layout::choose_output_section): If we find an
171 existing section, update the flags.
172 (Layout::create_notes): New function, broken out of
173 Layout::finalize.
174 (Layout::finalize): Don't create note sections.
175 (Layout::create_note): Don't crash if linker script discards
176 section.
177 (Layout::create_gold_note): Likewise.
178 (Layout::create_build_id): Likewise. Don't set
179 after_input_sections on the section.
180 (Layout::create_executable_stack_info): Remove target parameter.
181 Change caller.
182 * layout.h (class Layout): Declare create_notes. Update
183 declaration of create_executable_stack_info.
184 * gold.cc (queue_middle_tasks): Call create_notes.
185 * output.cc (Output_section::update_flags_for_input_section): Move
186 here from output.h. If SHF_ALLOC flag is newly set, mark address
187 invalid.
188 * output.h (Output_data::mark_address_invalid): New function.
189 (class Output_section): Only declare, not define,
190 update_flags_for_input_section. Remove set_flags.
191
55458500
ILT		 1922009-06-24 Ian Lance Taylor <iant@google.com>
193
194 * script-sections.cc (Output_section_definition::
195 set_section_addresses): Rename shadowing local load_address to
196 laddr.
197
1307d6cd
ILT		 1982009-06-24 Ian Lance Taylor <iant@google.com>
199
200 PR 10244
201 * reloc.cc (relocate_sections): Skip empty relocation sections.
202
ec3f783e
ILT		 2032009-06-23 Ian Lance Taylor <iant@google.com>
204
205 PR 10156
206 * layout.cc (Layout::create_note): Use choose_output_section
207 rather than make_output_section.
208
459c9f1c
ILT		 2092009-06-23 Ian Lance Taylor <iant@google.com>
210
211 PR 10237
212 * options.cc (General_options::parse_V): Set printed_version_.
213 (General_options::General_options): Initialize printed_version_.
214 * options.h (class General_options): Add printed_version_ field.
215 * gold.cc (queue_initial_tasks): If there are no input files,
216 don't give a fatal error if we printed the version information.
217 (queue_middle_tasks): If using -r with a shared object, give a
218 fatal error rather than an ordinary error.
219
1518dc8f
ILT		 2202009-06-23 Ian Lance Taylor <iant@google.com>
221
222 PR 10219
223 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
224 (Layout::make_output_section): Set have_stabstr_section_ if we see
225 a .stab*str section.
226 (Layout::finalize): Call link_stabs_sections.
227 (Layout::link_stabs_sections): New file.
228 * layout.h (class Layout): Add have_stabstr_section_ field.
229 Declare link_stabs_sections.
230
3d857b98
DK		 2312009-06-23 Doug Kwan <dougkwan@google.com>
232
233 * Makefile.am (libgold_a_LIBADD): New.
234 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
235 * Makefile.in: Regenerate.
236 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
237 * configure: Regenerate.
238 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
239 * fileread.cc: Include sys/state.h
240 * gold.h: Declare memmem and strndup if found missing.
241 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
242
0639a6f6
ILT		 2432009-06-23 Ian Lance Taylor <iant@google.com>
244
245 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
246 * configure: Rebuild.
247
8d63875c
ILT		 2482009-06-23 Ian Lance Taylor <iant@google.com>
249
250 PR 10147
251 * object.cc (Object::section_contents): Don't try to get a view if
252 the section has length zero.
253 (Object::handle_gnu_warning_section): If the section is empty, use
254 the name of the section as the warning.
255
f7c8a183
ILT		 2562009-06-23 Ian Lance Taylor <iant@google.com>
257
258 PR 10133
259 * stringpool.h (class Stringpool_template): Add optimize_ field.
260 (Stringpool_template::set_optimize): New function.
261 * stringpool.cc (Stringpool_template::Stringpool_template):
262 Initialize optimize_ field.
263 (Stringpool_template::set_string_offsets): Test local optimize
264 fild rather than parameter.
265 * layout.cc (Layout::Layout): Call set_optimize on the section
266 name stringpool.
267
e6a307ba
ILT		 2682009-06-22 Ian Lance Taylor <iant@google.com>
269
270 PR 10030
271 * yyscript.y: Parse TARGET.
272 * script.cc (script_set_target): New function.
273 * script-c.h (script_set_target): Declare.
274 * options.cc (General_options::string_to_object_format): Rename
275 from string_to_object_format in anonymous namespace. Change
276 callers.
277 * options.h (class General_options): Declare
278 string_to_object_format.
279
3ee173de
ILT		 2802009-06-22 Ian Lance Taylor <iant@google.com>
281
282 * script-sections.cc (Script_sections::create_segments): Don't put
283 program headers in a PT_LOAD segment if -n or -N.
284
2852009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 286
287 PR 10141
288 * options.h (class General_options): Add -z lazy and -z now. Sort
289 -z options into alphabetical order.
290 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
291
cd6739a1 2922009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 293
294 * layout.cc (Layout::make_output_section): Call
295 Target::new_output_section.
296 (Layout::attach_allocated_section_to_segment): Put large section
297 sections in a separate load segment with the large segment flag
298 set.
299 (Layout::segment_precedes): Sort large data segments after other
300 load segments.
301 (align_file_offset): New static function.
302 (Layout::set_segment_offsets): Use align_file_offset.
303 * output.h (class Output_section): Add is_small_section_ and
304 is_large_section_ fields.
305 (Output_section::is_small_section): New function.
306 (Output_section::set_is_small_section): New function.
307 (Output_section::is_large_section): New function.
308 (Output_section::set_is_large_section): New function.
309 (Output_section::is_large_data_section): New function.
310 (class Output_segment): Add is_large_data_segment_ field.
311 (Output_segment::is_large_data_segment): New function.
312 (Output_segment::set_is_large_data_segment): New function.
313 * output.cc (Output_section::Output_section): Initialize new
314 fields.
315 (Output_segment::Output_segment): Likewise.
316 (Output_segment::add_output_section): Add assertion that large
317 data sections always go in large data segments. Force small data
318 sections to the end of the list of data sections. Force small BSS
319 sections to the start of the list of BSS sections. For large BSS
320 sections to the end of the list of BSS sections.
321 * symtab.h (class Symbol): Declare is_common_shndx.
322 (Symbol::is_defined): Check Symbol::is_common_shndx.
323 (Symbol::is_common): Likewise.
324 (class Symbol_table): Define enum Commons_section_type. Update
325 declarations. Add small_commons_ and large_commons_ fields.
326 * symtab.cc (Symbol::is_common_shndx): New function.
327 (Symbol_table::Symbol_table): Initialize new fields.
328 (Symbol_table::add_from_object): Put small and large common
329 symbols in the right list.
330 (Symbol_table::sized_finalized_symbol): Check
331 Symbol::is_common_shndx.
332 (Symbol_table::sized_write_globals): Likewise.
333 * common.cc (Symbol_table::do_allocate_commons): Allocate new
334 common symbol lists. Don't call do_allocate_commons_list if the
335 list is empty.
336 (Symbol_table::do_allocate_commons_list): Remove is_tls
337 parameter. Add comons_section_type parameter. Change all
338 callers. Handle small and large common symbols.
339 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
340 Symbol::is_common_shndx.
341 * resolve.cc (symbol_to_bits): Likewise.
342 * target.h (Target::small_common_shndx): New function.
343 (Target::small_common_section_flags): New function.
344 (Target::large_common_shndx): New function.
345 (Target::large_common_section_flags): New function.
346 (Target::new_output_section): New function.
347 (Target::Target_info): Add small_common_shndx, large_common_shndx,
348 small_common_section_flags, and large_common_section_flags
349 fields.
350 (Target::do_new_output_section): New virtual function.
351 * arm.cc (Target_arm::arm_info): Initialize new fields.
352 * i386.cc (Target_i386::i386_info): Likewise.
353 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
354 Likewise.
355 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
356 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
357 (Target_x86_64::do_new_output_section): New function.
358 * configure.ac: Define conditional MCMODEL_MEDIUM.
359 * testsuite/Makefile.am (check_PROGRAMS): Add large.
360 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
361 (large_LDFLAGS): Define.
362 * testsuite/large.c: New file.
363 * testsuite/testfile.cc (Target_test::test_target_info):
364 Initialize new fields.
365 * configure, testsuite/Makefile.in: Rebuild.
366
bb04269c
DK		 3672009-06-05 Doug Kwan <dougkwan@google.com>
368
369 * Makefile.am (CCFILES): Add target.cc.
370 * Makefile.in: Regenerate.
371 * i386.cc (class Target_i386): Define new virtual method to
372 override do_is_local_label_name in parent.
373 * object.cc (Sized_relobj::do_count_local_symbols): Discard
374 local symbols if --discard-locals or -X is given.
375 * options.h (class General_options): Declare new options
376 '--discard-locals' and '-X' for discarding locals.
377 * target.h (class Target): Define new methods is_local_label_name.
378 Declare new virtual method do_is_local_label_name.
379 * target.cc: New file.
380 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
381 (check_SCRIPTS): Add discard_locals_test.sh.
382 (check_DATA): Add discard_local_tests.syms.
383 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
384 (discard_local_tests.syms, discard_locals_test.o): New make rules.
385 * testsuite/Makefile.in: Regenerate.
386 * testsuite/discard_locals_test.c: New file.
387 * testsuite/discard_locals_test.sh: Same.
388
805bb01c
DK		 3892009-06-05 Doug Kwan <dougkwan@google.com>
390
391 * object.cc (Sized_relobj::Sized_relobj): Initialize
392 discarded_eh_frame_shndx_ to -1U.
393 (Sized_relobj::do_layout): Record index of a discard .eh_frame
394 section.
395 (Sized_relobj::do_count_local_symbols): Skip local symbols in
396 a discarded .eh_frame section.
397 (Sized_relobj::do_finalize_local_symbols): Ditto.
398 * object.h (class Sized_relobj): Declare new member
399 discarded_eh_frame_shndx_.
400 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
401 (local_labels_test.o, local_labels_test): New rules.
402 * testsuite/Makefile.in: Regenerate.
403
1dcd334d
DK		 4042009-06-04 Doug Kwan <dougkwan@google.com>
405
406 * layout.cc (Layout::section_name_mapping): Add mapping for
407 special ARM sections.
408
96d49306
DK		 4092009-06-03 Doug Kwan <dougkwan@google.com>
410
411 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
412 (utils::has_overflow): Same.
413
dff16297
ILT		 4142009-06-03 Ian Lance Taylor <iant@google.com>
415
416 * layout.cc (Layout::section_name_mapping): New array, replacing
417 Layout::linkonce_mapping.
418 (Layout::section_name_mapping_count): New variable, replacing
419 Layout::linkonce_mapping_count.
420 (Layout::linkonce_output_name): Remove.
421 (Layout::output_section_name): Rewrite.
422 * layout.h (class Layout): Rename Linkonce_mapping to
423 Section_name_mapping, linkonce_mapping to section_name_mapping,
424 linkonce_mapping_count to section_name_mapping_count. Don't
425 declare linkonce_output_name.
426
c121c671
DK		 4272009-06-03 Doug Kwan <dougkwan@google.com>
428
429 * gold/arm.cc (namespace utils): New.
430 (Target_arm::reloc_is_non_pic): Define new method.
431 (class Arm_relocate_functions): New.
432 (Target_arm::Relocate::relocate): Handle relocation types used by
433 Android.
434
07800fab
ILT		 4352009-06-03 Ian Lance Taylor <iant@google.com>
436
437 * arm.cc (Target_arm::scan::global): Use || instead of |.
438
c121c671
DK		 4392009-06-02 Doug Kwan <dougkwan@google.com>
440
441 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
442 issued_non_pic_error_.
443 (class Target_arm::Scan): Declare new method check_non_pic.
444 Define new method symbol_needs_plt_entry.
445 Declare new data member issued_non_pic_error_.
446 (class Target_arm::Relocate): Declare new method
447 should_apply_static_reloc.
448 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
449 (Target_arm::Scan::check_non_pic): Define new method.
450 (Target_arm::Scan::local): Handle a small subset of reloc types used
451 by Android.
452 (Target_arm::Scan::local): Same.
453 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
454
b19b0c6d
ILT		 4552009-05-31 Mikolaj Zalewski <mikolajz@google.com>
456
457 * incremental.cc (Incremental_inputs::report_command_line): Filter
458 out --incremental-* options.
459
94cdfcff
DK		 4602009-05-29 Doug Kwan <dougkwan@google.com>
461
462 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
463 template class.
464 (class Target_arm): Update comment.
465 (Target_arm::Target_arm): Initialize new data members GOT_,
466 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
467 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
468 and Target_arm::rel_dyn_section.
469 Declare new_enum Target_arm::Got_type.
470 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
471 and DYNBSS_.
472 Update commments for member do_dynsym_value.
473 (Target_arm::got_size, Target_arm::plt_section,
474 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
475 new methods inside class defintion.
476 (Target_arm::got_section): Define new method.
477 (Target_arm::rel_dyn_section): Same.
478 (Output_data_plt_arm): New template class.
479 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
480 (Output_data_plt_arm:do_adjust_output_section): Define new method.
481 (Output_data_plt_arm::add_entry): Same.
482 (Output_data_plt_arm::first_plt_entry): Define new
483 static data member for PLT instruction template.
484 (Output_data_plt_arm::plt_entry): Same.
485 (Output_data_plt_arm::do_write): Define new method.
486 (Target_arm::make_plt_entry): Same.
487 (Target_arm::do_finalize_sections): Same.
488 (Target_arm::do_dynsym_value): Same.
489
4a657b0d
DK		 4902009-05-28 Doug Kwan <dougkwan@google.com>
491
492 * Makefile.am (TARGETSOURCES): Add arm.cc.
493 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
494 * Makefile.in: Regenerate.
495 * arm.cc: New file.
496 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
497
e7ae8c36
DK		 4982009-05-26 Doug Kwan <dougkwan@google.com>
499
500 * options.cc (General_options::parse_exclude_libs). Fix a comment.
501 (General_options::check_excluded_libs): Strip off directories in
502 archive name before matching like GNU ld does.
503 * testsuite/Makefile.am (MOSTLYCLEANFILES,
504 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
505 (exclude_libs_test_LDFLAGS): Add linker option
506 -Wl,--exclude-libs,libexclude_libs_test_3
507 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
508 an explicit archive without using -l.
509 (alt/libexclude_libs_test_3.a): New make rule.
510 * testsuite/Makefile.in: Regenerate.
511 * testsuite/exclude_libs_test.c : Declare lib3_default().
512 (main): Call it.
513 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
514 * exclude_libs_test_3.c: New file.
515
f12e7348
NC		 5162009-05-26 Nick Clifton <nickc@redhat.com>
517
518 * po/id.po: New Indonesian translation.
519 * po/gold.pot: Updated template file.
520
4daadc0d
ST		 5212009-05-22 Sriraman Tallam <tmsriram@google.com>
522
523 * testsuite/Makefile.am: Add -ffunction-sections to compile
524 gc_comdat_test files. Add -Wl,--gc-sections to build
525 gc_comdat_test.
526 * testsuite/Makefile.in: Regenerate.
527 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
528
531813ad
ST		 5292009-05-21 Sriraman Tallam <tmsriram@google.com>
530
531 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
532 kept comdat section was garbage collected.
533 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
534 * testsuite/Makefile.in: Regenerate.
535 * testsuite/gc_comdat_test.sh: New file.
536 * testsuite/gc_comdat_test_1.cc: New file.
537 * testsuite/gc_comdat_test_2.cc: New file.
538
65514900
CC		 5392009-05-19 Doug Kwan <dougkwan@google.com>
540
541 * archive.cc (Archive::Archive): Move constructor from archive.h
542 to here. Initialize no_export_.
543 (Archive::get_elf_object_for_member): Set no_export flag of object.
544 * archive.h (Archive::Archive): Move constructor body to
545 archive.cc.
546 (Archive::no_export): New method.
547 (Archive::no_export_): New field.
548 * object.h (Object::Object): Initialize no_export_ to false.
549 (Object::no_export, Object::set_no_export): New methods.
550 (Object::no_export_): New field.
551 * options.cc (General_options::parse_exclude_libs): New method.
552 (General_options::check_excluded_libs) Same.
553 * options.h (exclude_libs): New option.
554 (General_options::check_excluded_libs): New method declaration.
555 (General_options::excluded_libs_): New field.
556 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
557 default or protected visibility if an object has no-export flag set.
558 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
559 (check_SCRIPTS): Add exclude_libs_test.sh.
560 (check_DATA): Add exclude_libs_test.syms.
561 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
562 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
563 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
564 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
565 (exclude_libs_test.syms, libexclude_libs_test_1.a,
566 libexclude_libs_test_2.a): New rules.
567 * testsuite/Makefile.in: Regenerate.
568 * testsuite/exclude_libs_test.c: New file.
569 * testsuite/exclude_libs_test.sh: Ditto.
570 * testsuite/exclude_libs_test_1.c: Ditto.
571 * testsuite/exclude_libs_test_2.c: Ditto.
572
1b77ea50
ILT		 5732009-05-15 Ian Lance Taylor <iant@google.com>
574
575 * configure.ac: Check for declarations for cases where libiberty.h
576 checks HAVE_DECL_xxx.
577 * configure, config.in: Rebuild.
578
072fe7ce
ILT		 5792009-05-15 Mikolaj Zalewski <mikolajz@google.com>
580
581 * gold.h (Incremental_argument_list): Remove (invalid) forward
582 declaration.
583 * incremental.cc (Incremental_inputs::report_achive): New method.
584 (Incremental_inputs::report_object): New method.
585 (Incremental_inputs::report_script): New method.
586 (Incremental_inputs::finalize_inputs): New method.
587 (Incremental_inputs::finalize): Call finalize_inputs().
588 (Incremental_inputs::sized_create_incremental_inputs_section_data):
589 Create inputs entries.
590 * incremental.h (Incremental_input_type): New enum.
591 (Incremental_inputs::Incremental_input): Initialize new fields.
592 (Incremental_inputs::report_inputs): New method.
593 (Incremental_inputs::report_achive): New method.
594 (Incremental_inputs::report_object): New method.
595 (Incremental_inputs::report_script): New method.
596 (Incremental_inputs::finalize_inputs): New method.
597 (Incremental_inputs::Input_info): New struct.
598 (Incremental_inputs::Input_info_map): New typedef.
599 (Incremental_inputs::lock_): New field.
600 (Incremental_inputs::Inputs_): New field.
601 (Incremental_inputs::Inputs_map): New field.
602 * main.cc (main): Call Incremental_input::report_inputs.
603 * options.h (Input_argument_list): Typedef moved from
604 Input_arguments.
605 (Input_file_group::Files): Remove, use ::Input_argument_list.
606 (Input_file_group::Input_argument_list): Remove, use
607 ::Input_argument_list.
608 * plugin.cc (Plugin_manager::add_input_file): Add error in
609 incremental build.
610 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
611 functions.
612 * script.cc (read_input_script): Call
613 Incremental_input::report_script.
614 * script.h (Script_info): New class.
615
b0481b0b
ILT		 6162009-04-27 Ian Lance Taylor <iant@google.com>
617
618 * x86_64.cc (do_adjust_output_section): Set entsize to
619 plt_entry_size.
620
b22a5a41 6212009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 622
623 * output.cc (Output_file::close): After short writes, continue
624 writing from the correct offset in the buffer being written.
625
40fde488
CD		 6262009-04-23 Chris Demetriou <cgd@google.com>
627
628 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
629 * configure: Regenerate.
630 * config.in: Regenerate.
631 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
632 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
633
3ce2c28e
ILT		 6342009-04-21 Mikolaj Zalewski <mikolajz@google.com>
635
636 * incremental.cc (Incremental_inputs_header_data): Renamed from
637 Incremental_input_header_data.
638 (Incremental_inputs_header_data::data_size): New field.
639 (Incremental_inputs_header_data::put_input_file_count): Renamed
640 from input_file_count.
641 (Incremental_inputs_header_data::put_command_line_offset): Renamed
642 from command_line_offset.
643 (Incremental_inputs_header_data::put_reserved): Renamed from
644 put_reserved.
645 (Incremental_inputs_entry_data): Renamed from
646 Incremental_input_entry_data.
647 (Incremental_inputs_entry_data::data_size): New field.
648 (Incremental_inputs::report_command_line): New method.
649 (Incremental_inputs::finalize): New method.
650 (Incremental_inputs::create_incremental_inputs_data): New method.
651 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
652 * incremental.h: New file.
653 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
654 (Layout::finalize): Create incremental inputs section in
655 incremental builds.
656 (Layout::create_incremental_info_sections): New method.
657 * layout.h (Layout::incremental_inputs): New method.
658 (Layout::create_incremental_info_sections): New method.
659 (Layout::incremental_inputs_): New field.
660 * main.cc (main): Notify Incremental_input of the command line.
661
e55bde5e
ILT		 6622009-04-01 Ian Lance Taylor <iant@google.com>
663 Mikolaj Zalewski <mikolajz@google.com>
664
665 * gold.h (reserve_unordered_map): Define, three versions, one for
666 each version of Unordered_map.
667 * layout.cc (Layout::Layout): Remove options parameter. Add
668 number_of_input_files parameter. Don't initialize options_.
669 Initialize number_of_input_files_ and resized_signatures_. Move
670 sections_are_attached_.
671 (Layout::layout_group): Reserve space for group_signatures_.
672 (Layout::find_or_add_kept_section): Change name parameter to be a
673 reference. Resize signatures_ map when it gets large enough.
674 (Layout::layout_eh_frame): Use parameters->options() instead of
675 this->options_.
676 (Layout::make_output_section): Likewise.
677 (Layout::attach_allocated_section_to_segment): Likewise.
678 (Layout::finalize, Layout::create_executable_stack): Likewise.
679 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
680 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
681 * layout.h (class Layout): Update declarations. Remove options_
682 field. Add number_of_input_files_ and resized_signatures_
683 fields. Move sections_are_attached_ field.
684 * main.cc (main): Pass number of input files to Layout
685 constructor. Don't pass options.
686
154b857c
ILT		 6872009-03-30 Ian Lance Taylor <iant@google.com>
688
689 * ffsll.c (ffsll): Correct implementation.
690
2f35ab9b
ILT		 6912009-03-27 Ian Lance Taylor <iant@google.com>
692
fd03461a
ILT		 693 * ffsll.c: New file.
694 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
695 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
696 * ftruncate.c (ftruncate): Declare before definition.
697 * mremap.c (mremap): Likewise.
698 * pread.c (pread): Likewise.
699 * configure, Makefile.in, config.in: Rebuild.
700
2f35ab9b
ILT		 701 * mremap.c: New file.
702 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
703 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
704 (mremap): Declare if HAVE_MREMAP is not defined.
705 * configure, Makefile.in, config.in: Rebuild.
706
33aea2fd
CC		 7072009-03-27 Cary Coutant <ccoutant@google.com>
708
709 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
710 position independent.
711 * sparc.cc (Target_sparc::check_non_pic): Likewise.
712 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
713
6d479619
CC		 7142009-03-24 Cary Coutant <ccoutant@google.com>
715
716 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
717 an executable.
718 (needs_dynamic_reloc): Likewise.
719
afc06bb8
ILT		 7202009-03-24 Ian Lance Taylor <iant@google.com>
721
722 * yyscript.y (file_cmd): Recognize EXTERN.
723 (extern_name_list, extern_name_list_body): New nonterminals.
724 * script.cc (script_add_extern): Define.
725 * script-c.h (script_add_extern): Declare.
726
f6060a4d
ILT		 7272009-03-24 Rafael Avila de Espindola <espindola@google.com>
728
729 * object.cc (is_elf_object): Define.
730 * object.h (is_elf_object): Declare.
731 * archive.cc (Archive::get_elf_object_for_member): Call
732 is_elf_object.
33aea2fd 733 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 734
26736d8e
ILT		 7352009-03-24 Elliott Hughes <enh@google.com>
736
737 * output.cc (Output_file::map_anonymous): Define.
738 (Output_file::map): Use map_anonymous. If the regular mmap fails,
739 try an anonymous one. Report the size if the mmap fails.
740 * output.h (class Output_file): Declare map_anonymous.
741
22fd9730
ILT		 7422009-03-24 Ian Lance Taylor <iant@google.com>
743
744 * target-select.cc (instantiate_target): Don't acquire the lock if
745 the instantiated_target_ field has already been set.
746
cb010894
ILT		 7472009-03-23 Ian Lance Taylor <iant@google.com>
748
7f055c20
ILT		 749 * gold-threads.h (class Initialize_lock): Define.
750 * gold-threads.cc (class Initialize_lock_once): Define.
751 (initialize_lock_control): New static variable.
752 (initialize_lock_pointer): New static variable.
753 (initialize_lock_once): New static function.
754 (Initialize_lock::Initialize_lock): Define.
755 (Initialize_lock::initialize): Define.
756 * target-select.h: Include "gold-threads.h".
757 (class Target_selector): Add lock_ and initialize_lock_ fields.
758 Don't define instantiate_target, just declare it.
759 * target-select.cc (Target_selector::Target_selector): Initialize
760 new fields.
761 (Target_selector::instantiate_target): Define.
762 * descriptors.h: Include "gold-threads.h".
763 (class Descriptors): Add initialize_lock_ field.
764 * descriptors.cc (Descriptors::Descriptors): Initialize new
765 field.
766 (Descriptors::open): Use initialize_lock_ field
767 * errors.h (class Errors): Add initialize_lock_ field.
768 * errors.cc (Errors::Errors): Initialize new field.
769 (Errors::initialize_lock): Use initialize_lock_ field.
770 * powerpc.cc (class Target_selector_powerpc): Remove
771 instantiated_target_ field. In do_recognize call
772 instantiate_target rather than do_instantiate_target. In
773 do_instantiate_target just allocate a new target.
774 * sparc.cc (class Target_selector_sparc): Likewise.
775
36959681
ILT		 776 * freebsd.h: New file.
777 * i386.cc: Include "freebsd.h".
778 (Target_i386): Derive from Target_freebsd rather than
779 Sized_target.
780 (Target_selector_i386): Derive from Target_selector_freebsd rather
781 than Target_selector.
782 * x86_64.cc: Include "freebsd.h".
783 (Target_x86_64): Derive from Target_freebsd rather than
784 Sized_target.
785 (Target_selector_x86_64): Derive from Target_selector_freebsd
786 rather than Target_selector.
787 * target.h (class Target): Add adjust_elf_header and
788 do_adjust_elf_header.
789 * output.cc (Output_file_header:: do_sized_write): Call target
790 adjust_elf_header routine.
791 * configure.tgt: Set targ_osabi.
792 * configure.ac: Define GOLD_DEFAULT_OSABI.
793 * parameters.cc (Parameters::default_target): Pass
794 GOLD_DEFAULT_OSABI to select_target.
795 * target-select.h (class Target_selector): Make instantiate_target
796 protected rather than private.
797 * Makefile.am (HFILES): Add freebsd.h.
798 * configure, Makefile.in, config.in: Rebuild.
799
cb010894
ILT		 800 * merge.cc (do_add_input_section): Correct pend value. Change
801 message about last entry not being null terminated from error to
802 warning.
803
0e879927
ILT		 8042009-03-20 Mikolaj Zalewski <mikolajz@google.com>
805
806 * incremental.cc: New file.
807 * Makefile.am (CCFILES): Add incremental.cc.
808 * Makefile.in: Rebuild.
809
41105937
PP		 8102009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
811
812 * layout.cc (Layout::output_section_name): Preserve names
813 of '.note.' sections.
814
60439920
ILT		 8152009-03-19 Ian Lance Taylor <iant@google.com>
816
817 * descriptors.cc (Descriptors::open): Check that the options are
818 valid before using them.
819
0d371ad3
ILT		 8202009-03-18 Ian Lance Taylor <iant@google.com>
821
822 * script-sections.h: Include <list>.
823 (class Script_sections): Change Sections_elements from std::vector
824 to std::list. Typedef public Elements_iterator. Add
825 orphan_section_placement_, data_segment_align_start_, and
826 saw_data_segment_align_ fields. Remove data_segment_align_index_
827 field.
828 * script-sections.cc (class Orphan_section_placement): New class.
829 (class Sections_element): Add virtual functions is_relro and
830 orphan_section_init. Remove virtual function place_orphan_here.
831 (class Output_section_definition): Add is_relro and
832 orphan_section_init. Remove place_orphan_here.
833 (class Orphan_output_section): Likewise.
834 (Script_sections::Script_sections): Update for field changes.
835 (Script_sections::data_segment_align): Set saw_data_segment_align_
836 and data_segment_align_start_, not data_segment_align_index.
837 (Script_sections::data_segment_relro_end): Check
838 saw_data_segment_align_. Use data_segment_align_start_ rather
839 than data_segment_align_index_.
840 (Script_sections::place_orphan): Rewrite to use
841 Orphan_section_placement.
842
9201d894
ILT		 8432009-03-17 Ian Lance Taylor <iant@google.com>
844
9c5b8369
ILT		 845 * archive.cc (Archive::add_symbols): Check for a version attached
846 to the symbol name in the archive map.
847 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
848 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
849 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
850 (ver_test_11.a): New target.
851 * testsuite/Makefile.in: Rebuild.
852
9201d894
ILT		 853 * configure.ac: Check for chsize and posix_fallocate. Replace
854 ftruncate.
855 * ftruncate.c: New file, from gnulib.
856 * output.cc (posix_fallocate): Define dummy version if not
857 HAVE_POSIX_FALLOCATE.
858 (Output_file::map): Call posix_fallocate rather than lseek and
859 write.
860 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
861 * configure, Makefile.in, config.in: Rebuild.
862
ef4ab7a8
PP		 8632009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
864
865 * layout.h (Layout::create_note): Add section_name parameter.
866 * layout.cc (Layout::create_note): Likewise.
867 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
868
8c500701
ILT		 8692009-03-17 Ian Lance Taylor <iant@google.com>
870
e85b18e1
ILT		 871 * descriptors.cc: Include "options.h".
872 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
873 (Descriptors::open): Always use O_CLOEXEC when opening a new
874 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
875 then set FD_CLOEXEC.
876
9efe6174
ILT		 877 * sparc.cc (class Target_sparc): Add has_got_section.
878 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
879 make sure we have a GOT section.
880
881 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
882 (Target_sparc::Scan::local): Likewise.
883 (Target_sparc::Scan::global): Likewise.
884 (Target_sparc::Relocate::relocate): Likewise.
885 (Target_sparc::Relocate::relocate_tls): Likewise.
886
8c500701
ILT		 887 * symtab.cc (Symbol_table::define_default_version): New function,
888 broken out of add_from_object.
889 (Symbol_table::add_from_object): Call define_default_version.
890 (Symbol_table::define_special_symbol): Add resolve_oldsym
891 parameter. Change all callers. If the version for a symbol comes
892 from a version script, resolve it with the symbol with the same
893 name with no version. Also add the symbol without a version if
894 appropriate.
895 (do_define_in_output_data): If resolving with oldsym, don't delete
896 sym.
897 (do_define_in_output_segment): Likewise.
898 (do_define_as_constant): Likewise.
899 * symtab.h (class Symbol_table): Update declarations.
900
f1ed28fb
ILT		 9012009-03-13 Ian Lance Taylor <iant@google.com>
902
15f8229b
ILT		 903 * readsyms.cc (Read_symbols::incompatible_warning): New function.
904 (Read_symbols::requeue): New function.
905 (Read_symbols::do_read_symbols): If make_elf_object fails because
906 the target type is not configured, and the file was searched for,
907 issue a warning and retry with the next directory.
908 (Add_symbols::run): If the file has an incompatible format, and
909 it was searched for, requeue the Read_symbols task. On error,
910 release the object.
911 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
912 dirindex parameter to constructor. Change all callers. Declare
913 incompatible_warning and requeue.
914 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
915 input_argument_ and input_group_ fields. Add them to
916 constructor. Change all callers.
917 (class Read_script): Add dirindex_ field. Add it to constructor.
918 Change all callers.
919 * archive.cc (Archive::setup): Remove input_objects parameter.
920 Change all callers.
921 (Archive::get_file_and_offset): Likewise.
922 (Archive::read_all_symbols): Likewise.
923 (Archive::read_symbols): Likewise.
924 (Archive::get_elf_object_for_member): Remove input_objects
925 parameter. Add punconfigured parameter. Change all callers.
926 (Archive::add_symbols): Change return type to bool. Check return
927 value of include_member.
928 (Archive::include_all_members): Likewise.
929 (Archive::include_member): Change return type to bool. Return
930 false if first included object has incompatible target. Set
931 included_member_ field.
932 (Add_archive_symbols::run): If add_symbols returns false, requeue
933 Read_symbols task.
934 * archive.h (class Archive): Add included_member_ field.
935 Initialize it in constructor. Add input_file and searched_for
936 methods. Update declarations.
937 (class Add_archive_symbols): Add dirpath_, dirindex_, and
938 input_argument_ fields. Add them to constructor. Change all
939 callers.
940 * script.cc: Include "target-select.h".
941 (class Parser_closure): Add skip_on_incompatible_target_ and
942 found_incompatible_target_ fields. Add
943 skip_on_incompatible_target parameter to constructor. Change all
944 callers. Add methods skip_on_incompatible_target,
945 clear_skip_on_incompatible_target, found_incompatible_target, and
946 set_found_incompatible_target.
947 (read_input_script): Add dirindex parameter. Change all callers.
948 If parser finds an incompatible target, requeue Read_symbols
949 task.
950 (script_set_symbol): Clear skip_on_incompatible_target in
951 closure.
952 (script_add_assertion, script_parse_option): Likewise.
953 (script_start_sections, script_add_phdr): Likewise.
954 (script_check_output_format): New function.
955 * script.h (read_input_script): Update declaration.
956 * script-c.h (script_check_output_format): Declare.
957 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
958 (ignore_cmd): Remove OUTPUT_FORMAT.
959 * fileread.cc (Input_file::Input_file): Add explicit this.
960 (Input_file::will_search_for): New function.
961 (Input_file::open): Add pindex parameter. Change all callers.
962 * fileread.h (class Input_file): Add input_file_argument method.
963 Declare will_search_for. Update declarations.
964 * object.cc (make_elf_object): Add punconfigured parameter.
965 Change all callers.
966 * object.h (class Object): Make input_file public. Add
967 searched_for method.
968 (make_elf_object): Update declaration.
969 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
970 restart search.
971 * dirsearch.h (class Dirsearch): Update declaration.
972 * options.h (class General_options): Add --warn-search-mismatch.
973 * parameters.cc (Parameters::is_compatible_target): New function.
974 * parameters.h (class Parameters): Declare is_compatible_target.
975 * workqueue.cc (Workqueue::add_blocker): New function.
976 * workqueue.h (class Workqueue): Declare add_blocker.
977
f1ed28fb
ILT		 978 * fileread.cc (Input_file::open): Remove options parameter.
979 Change all callers.
980 (Input_file::open_binary): Likewise.
981 * script.cc (read_input_script): Likewise.
982 * readsyms.h (class Read_symbols): Remove options_ field. Remove
983 options parameter from constructor. Change all callers.
984 (class Read_script): Likewise.
985 * fileread.h (class Input_file): Update declarations.
986 * script.h (read_input_script): Update declaration.
987
34dd024a
NC		 9882009-03-10 Nick Clifton <nickc@redhat.com>
989
990 * po/es.po: New Spanish translation.
991
6d71b17c
CC		 9922009-03-06 Cary Coutant <ccoutant@google.com>
993
994 * options.cc (parse_short_option): Keep dash_z from registering itself.
995
031cdbed
ILT		 9962009-03-03 Ian Lance Taylor <iant@google.com>
997
998 PR 9918
999 * target-reloc.h (relocate_section): Pass output_section to
1000 relocate.
1001 * i386.cc (Target_i386::should_apply_static_reloc): Add
1002 output_section parameter. Change all callers.
1003 (Target_i386::Relocate::relocate): Add output_section parameter.
1004 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1005 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1006 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1007 * testsuite/two_file_shared.sh: New script.
1008 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
1009 (check_DATA): Add two_file_shared.dbg.
1010 (two_file_shared.dbg): New target.
1011 * testsuite/Makefile.in: Rebuild.
1012
15d5fa16
ILT		 10132009-03-01 Ian Lance Taylor <iant@google.com>
1014
1015 * configure.ac: Check for byteswap.h.
1016 * configure: Rebuild.
1017 * config.in: Rebuild.
1018
8a4c0b0d
ILT		 10192009-03-01 Mikolaj Zalewski <mikolajz@google.com>
1020
1021 * layout.cc (Layout::find_or_add_kept_section): New function.
1022 (Layout::add_comdat): Removed.
1023 * layout.h (struct Kept_section): Move out of class Layout.
1024 Remove trailing underscores from field names. Add group_sections
1025 field. Rename group_ field to is_group. Change all uses.
1026 (class Layout): Declare find_or_add_kept_section, not add_comdat.
1027 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
1028 comdat_groups_ field.
1029 (Sized_relobj::include_section_group): Use
1030 find_or_add_kept_section and Kept_section::group_sections.
1031 (Sized_relobj::include_linkonce_section): Likewise.
1032 * object.cc (class Sized_relobj): Don't define Comdat_group or
1033 Comdat_group_table. Remove find_comdat_group and
1034 add_comdat_group. Remove comdat_groups_ field.
1035 * plugin.cc (include_comdat_group): Use
1036 Layout::find_or_add_kept_section.
1037
b4ecf66b
ILT		 10382009-02-28 Ian Lance Taylor <iant@google.com>
1039
14359ca0
ILT		 1040 * README: --gc-sections and map files are now supported. Document
1041 some build requirements.
1042
b4ecf66b
ILT		 1043 PR 6992
1044 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
1045 relocatable link set the value of the section symbol to zero.
1046 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
1047 relocatable link don't include the section address in the local
1048 symbol value.
1049
0602e05a
ILT		 10502009-02-27 Ian Lance Taylor <iant@google.com>
1051
fd9d194f
ILT		 1052 PR 6811
1053 * options.h (class Search_directory): Add is_system_directory.
1054 (class General_options): Declare is_in_system_directory.
1055 * options.cc (get_relative_sysroot): Make static.
1056 (get_default_sysroot): Make static.
1057 (General_optoins::is_in_system_directory): New function.
1058 * fileread.cc (Input_file::is_in_system_directory): New function.
1059 * fileread.h (class Input_file): Declare is_in_system_directory.
1060 * object.h (class Object): Add is_in_system_directory.
1061 (class Input_objects): Remove system_library_directory_ field.
1062 * object.cc (Input_objects::add_object): Don't set
1063 system_library_directory_.
1064 (input_objects::found_in_system_library_directory): Remove.
1065 * symtab.cc (Symbol_table::write_globals): Remove input_objects
1066 parameter. Change all callers.
1067 (Symbol_table::sized_write_globals): Likewise.
1068 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
1069 Call Object::is_in_system_directory.
1070 * symtab.h (class Symbol_table): Update declarations.
1071
61edd21f
ILT		 1072 PR 5990
1073 * descriptors.h (Open_descriptor): Add is_on_stack field.
1074 * descriptors.cc (Descriptors::open): If the descriptor is on the
1075 top of the stack, remove it. Initialize is_on_stack field.
1076 (Descriptors::release): Only add pod to stack if it is not on the
1077 stack already.
1078 (Descriptors::close_some_descriptor): Clear stack_next and
1079 is_on_stack fields.
1080
e29e076a
ILT		 1081 PR 7091
1082 * output.cc (Output_section::find_starting_output_address): Rename
1083 from starting_output_address; add PADDR parameter; change return
1084 type.
1085 * output.h (class Output_section): Declare
1086 find_starting_output_address instead of starting_output_address.
1087 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
1088 section symbol for which we can't find a merge section.
1089
0602e05a
ILT		 1090 PR 9836
1091 * symtab.cc (Symbol_table::add_from_object): If the visibility is
1092 hidden or internal, force the symbol to be local.
1093 * resolve.cc (Symbol::override_visibility): Define.
1094 (Symbol::override_base): Use override_visibility.
1095 (Symbol_table::resolve): Likewise.
1096 (Symbol::override_base_with_special): Likewise.
1097 (Symbol_table::override_with_special): If the visibility is hidden
1098 or internal, force the symbol to be local.
1099 * symtab.h (class Symbol): Add set_visibility and
1100 override_visibility.
1101 * testsuite/ver_test_1.sh: New file.
1102 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
1103 (check_DATA): Add ver_test_1.syms.
1104 (ver_test_1.syms): New target.
1105 * testsuite/Makefile.in: Rebuild.
1106
401a9a73
CC		 11072009-02-25 Cary Coutant <ccoutant@google.com>
1108
1109 * layout.cc (Layout::choose_output_section): Don't rename sections
1110 when using a linker script that has a SECTIONS clause.
1111 * Makefile.in: Regenerate.
1112
1113 * testsuite/Makefile.am (script_test_5.sh): New test case.
1114 * testsuite/Makefile.in: Regenerate.
1115 * testsuite/script_test_5.cc: New file.
1116 * testsuite/script_test_5.sh: New file.
1117 * testsuite/script_test_5.t: New file.
1118
f488e4b0
CC		 11192009-02-13 Rafael Avila de Espindola <espindola@google.com>
1120
1121 * archive.cc (Archive::include_member): Update calls to add_symbols.
1122 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
1123 the Layout argument.
1124 * dynobj.h (do_add_symbols): Add the Layout argument.
1125 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
1126 Layout argument.
1127 * object.h (Object::add_symbols): Add the Layout argument.
1128 (Object::do_add_symbols): Add the Layout argument.
1129 (Sized_relobj::do_add_symbols): Add the Layout argument.
1130 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
1131 Unify the two versions.
1132 (Add_plugin_symbols): Remove.
1133 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
1134 (Sized_pluginobj::do_add_symbols): Unify the two versions.
1135 (Add_plugin_symbols): Remove.
1136 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
1137 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
1138 (Add_symbols::run): Make it work with Pulginobj.
1139
89dd1680
ILT		 11402009-02-06 Ian Lance Taylor <iant@google.com>
1141
1142 * object.cc (Sized_relobj::do_layout): Make info message start
1143 with lower case letter.
1144
266d0a74
ILT		 11452009-02-06 Mikolaj Zalewski <mikolajz@google.com>
1146
602b464e
ILT		 1147 * binary.cc: Fix file comment.
1148
266d0a74
ILT		 1149 * options.h (enum Incremental_disposition): Define.
1150 (class General_options): Add new options: --incremental,
1151 --incremental_changed, --incremental_unchanged,
1152 --incremental_unknown. Add incremental_disposition_ and
1153 implicit_incremental_ fields.
1154 (General_options::incremental_disposition): New function.
1155 (class Position_dependent_options): Add incremental_disposition
1156 option.
1157 (Position_dependent_options::copy_from_options): Set incremental
1158 dispositions.
1159 * options.cc (General_options::parse_incremental_changed): New
1160 function.
1161 (General_options::parse_incremental_unchanged): New function.
1162 (General_options::parse_incremental_unknown): New function.
1163 (General_options::General_options): Initialize new fields
1164 incremental_disposition_ and implicit_incremental_.
1165 (General_options::finalize): Check for uasge of --incremental-*
1166 without --incremental.
1167
f073bbf7
CD		 11682009-02-06 Chris Demetriou <cgd@google.com>
1169
1170 * gold.h (gold_undefined_symbol): Change to take only a Symbol
1171 pointer and to report location as the file name associated with
1172 the symbol.
1173 (gold_undefined_symbol_at_location): New function to replace the
1174 old gold_undefined_symbol functionality.
1175 * target-reloc.h (relocate_section): Update to use
1176 gold_undefined_symbol_at_location.
1177 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1178 Call gold_undefined_symbol function rather than gold_error.
1179 * errors.h (Errors::undefined_symbol): Take location as a
1180 string, rather than calculating it from a relocation.
1181 * errors.cc (Errors::fatal): Print "fatal error:" before the
1182 formatted message.
1183 (Errors::error, Errors::error_at_location): Print "error: "
1184 before the formatted message.
1185 (Errors::undefined_symbol): Take location as a string, rather
1186 than calculating it from a relocation.
1187 (gold_undefined_symbol_at_location): New function akin to
1188 old gold_undefined_symbol, calculates location from relocation.
1189 (gold_undefined_symbol): Change to take only a Symbol pointer
1190 and to report location as the file name associated with the symbol.
1191 * testsuite/debug_msg.sh: Update for changed error messages.
1192 * testsuite/undef_symbol.sh: Likewise.
1193
8e94a90c
ILT		 11942009-02-04 Duncan Sands <baldrick@free.fr>
1195
1196 PR 9812
1197 * reduced_debug_output.h
1198 (Output_reduced_debug_abbrev_section::failed): Use format for
1199 gold_warning.
1200 (Output_reduced_debug_info_section::faild): Likewise.
1201
88a0e15b
ILT		 12022009-01-31 Mikolaj Zalewski <mikolajz@google.com>
1203
1204 * script.cc (Lazy_demangler): New class.
1205 (Version_script_info::get_symbol_version_helper): Demangle a
1206 symbol only once.
1207
5efc7cd2
CC		 12082009-01-29 Cary Coutant <ccoutant@google.com>
1209
1210 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
1211 to __tls_get_addr.
1212 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1213
e0ebcf42
ILT		 12142009-01-28 Ian Lance Taylor <iant@google.com>
1215
5efc7cd2 1216 * version.cc (version_string): Bump to 1.9.
75fe7426 1217
e0ebcf42
ILT		 1218 * gold.h: Include <cstring> and <stdint.h>.
1219 * version.cc: Include <cstdio>.
1220 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
1221 warning.
1222 * reduced_debug_output.cc (insert_into_vector): Rename from
1223 Insert_into_vector; change all callers. Use Swap_unaligned to
1224 avoid aliasing issue; remove union since it is unnecessary.
1225
8e2813be 12262009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 1227
1228 * Makefile.am (CCFILES): Add gc.cc.
1229 (HFILES): Add gc.h.
1230 * Makefile.in: Regenerate.
1231 * gold.cc (Gc_runner): New class.
1232 (queue_initial_tasks): Call garbage collection related tasks
1233 when corresponding options are invoked.
1234 (queue_middle_gc_tasks): New function.
1235 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
1236 processed early before laying out sections during garbage collection.
1237 * gold.h (queue_middle_gc_tasks): New function.
1238 (is_prefix_of): Move from "layout.cc".
1239 * i386.cc (Target_i386::gc_process_relocs): New function.
1240 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
1241 * main.cc (main): Create object of class "Garbage_collection".
1242 * object.cc (Relobj::copy_symbols_data): New function.
1243 (Relobj::is_section_name_included): New function.
1244 (Sized_relobj::do_layout): Allow this function to be called twice
1245 during garbage collection and defer layout of section during the
1246 first call.
1247 * object.h (Relobj::get_symbols_data): New function.
1248 (Relobj::is_section_name_included): New function.
1249 (Relobj::copy_symbols_data): New function.
1250 (Relobj::set_symbols_data): New function.
1251 (Relobj::get_relocs_data): New function.
1252 (Relobj::set_relocs_data): New function.
1253 (Relobj::is_output_section_offset_invalid): New pure virtual function.
1254 (Relobj::gc_process_relocs): New function.
1255 (Relobj::do_gc_process_relocs): New pure virtual function.
1256 (Relobj::sd_): New data member.
1257 (Sized_relobj::is_output_section_offset_invalid): New function.
1258 (Sized_relobj::do_gc_process_relocs): New function.
1259 * options.h (General_options::gc_sections): Modify to not be a no-op.
1260 (General_options::print_gc_sections): New option.
1261 * plugin.cc (Plugin_finish::run): Remove function call to
1262 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
1263 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
1264 * reloc.cc (Read_relocs::run): Add task to process relocs and
1265 determine unreferenced sections when doing garbage collection.
1266 (Gc_process_relocs): New class.
1267 (Sized_relobj::do_gc_process_relocs): New function.
1268 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
1269 sections that are garbage collected.
1270 * reloc.h (Gc_process_relocs): New class.
1271 * sparc.cc (Target_sparc::gc_process_relocs): New function.
1272 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
1273 symbols whose corresponding sections are garbage collected.
1274 (Symbol_table::Symbol_table): Add new parameter for the garbage
1275 collection object.
1276 (Symbol_table::gc_mark_undef_symbols): New function.
1277 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1278 (Symbol_table::gc_mark_dyn_syms): New function.
1279 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
1280 as garbage.
1281 (Symbol_table::add_from_object): Likewise.
1282 (Symbol_table::add_from_relobj): When building shared objects, do not
1283 treat externally visible symbols as garbage.
1284 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
1285 table information for static and relocatable links.
1286 * symtab.h (Symbol_table::set_gc): New function.
1287 (Symbol_table::gc): New function.
1288 (Symbol_table::gc_mark_undef_symbols): New function.
1289 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1290 (Symbol_table::gc_mark_dyn_syms): New function.
1291 (Symbol_table::gc_): New data member.
1292 * target.h (Sized_target::gc_process_relocs): New pure virtual
1293 function.
1294 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
1295 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
1296
3b293544
CF		 12972009-01-20 Chris Faylor <me.sourceware@sourceware.org>
1298
1299 * options.h (General_options::gc_sections): Define as a no-op for now.
1300 (General_options::no_keep_memory): Ditto.
1301 (General_options::Bshareable): Define.
1302 * options.cc (General_options::finalize): Honor -Bshareable.
1303
83d22aa8
AS		 13042009-01-20 Andreas Schwab <schwab@suse.de>
1305
1306 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
1307 read the value in the contents, since we don't use it. Use the
1308 template endianness when writing.
1309 (Relocate::relocate): Use it for R_PPC_REL16_HA.
1310
cd536b21
AS		 13112009-01-19 Andreas Schwab <schwab@suse.de>
1312
1313 * configure.tgt (powerpc64-*): Fix targ_obj.
1314
99e9a495
ILT		 13152009-01-15 Ian Lance Taylor <iant@google.com>
1316
1317 * object.cc (Sized_relobj::write_local_symbols): Don't write out
1318 local symbols when stripping all symbols.
1319
bbbfea06
CC		 13202009-01-14 Cary Coutant <ccoutant@google.com>
1321
99e9a495 1322 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 1323
0f7c0701
CC		 13242009-01-14 Cary Coutant <ccoutant@google.com>
1325
1326 * archive.cc (Archive::get_elf_object_for_member): Remove call
1327 to File_read::claim_for_plugin.
1328 * descriptors.cc (Descriptors::open): Remove reference to
1329 is_claimed.
1330 (Descriptors::claim_for_plugin): Remove.
1331 * descriptors.h (Descriptors::claim_for_plugin): Remove.
1332 (Descriptors::is_claimed): Remove.
1333 (claim_descriptor_for_plugin): Remove.
1334 * fileread.cc (File_read::claim_for_plugin): Remove.
1335 * fileread.h (File_read::claim_for_plugin): Remove.
1336 (File_read::descriptor): Reopen descriptor if necessary.
1337 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
1338 (Plugin_manager::all_symbols_read): Add task parameter. Change
1339 all callers.
1340 (Plugin_manager::get_input_file): New function.
1341 (Plugin_manager::release_input_file): New function.
1342 (Pluginobj::Pluginobj): Add filesize parameter and initialize
1343 corresponding data member.
1344 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
1345 and pass to base constructor. Change all callers.
1346 (get_input_file, release_input_file): New functions.
1347 (make_sized_plugin_object): Add filesize parameter. Change all callers.
1348 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
1349 (Plugin_manager::all_symbols_read): Add task parameter.
1350 (Plugin_manager::get_input_file): New function.
1351 (Plugin_manager::release_input_file): New function.
1352 (Plugin_manager::task_): New data member.
1353 (Pluginobj::Pluginobj): Add filesize parameter.
1354 (Pluginobj::filename): New function.
1355 (Pluginobj::descriptor): New function.
1356 (Pluginobj::filesize): New function.
1357 (Pluginobj::filesize_): New data member.
1358 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
1359 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
1360 File_read::claim_for_plugin; use Object::unlock to unlock the file.
1361
1362 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
1363 with archive libraries.
1364 * testsuite/Makefile.in: Regenerate.
1365 * testsuite/plugin_test.c (struct sym_info): New type.
1366 (get_input_file, release_input_file): New static variables.
1367 (onload): Capture new transfer vector entries.
1368 (claim_file_hook): Stop reading at end of file according to filesize.
1369 Factor out parsing of readelf output into separate function.
1370 (all_symbols_read_hook): Exercise get_input_file and release_input_file
1371 APIs and get the source file name from the symbol table. Convert
1372 source file name to corresponding object file name. Print info
1373 message when adding new input files.
1374 (parse_readelf_line): New function.
1375 * testsuite/plugin_test_1.sh: Add checks for new info messages.
1376 * testsuite/plugin_test_2.sh: Likewise.
1377 * testsuite/plugin_test_3.sh: Likewise.
1378 * testsuite/plugin_test_4.sh: New test case.
1379
62a6d109
ILT		 13802009-01-07 Ian Lance Taylor <iant@google.com>
1381
1382 * version.cc (version_string): Bump to 1.8.
1383
483620e8
CC		 13842008-12-23 Cary Coutant <ccoutant@google.com>
1385
1386 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
1387 * plugin.cc (Plugin_manager::finish): Rename as
1388 layout_deferred_objects. Move cleanup to separate function.
1389 (Plugin_manager::cleanup): New function.
1390 (Plugin_finish::run): Call layout_deferred_objects and cleanup
1391 separately.
1392 * plugin.h (Plugin_manager::finish): Rename as
1393 layout_deferred_objects.
1394 (Plugin_manager::cleanup): New function.
1395 (Plugin_manager::cleanup_done): New field.
1396
d66a9eb3
CC		 13972008-12-23 Cary Coutant <ccoutant@google.com>
1398
1399 * plugin.cc (is_visible_from_outside): New function.
1400 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
1401 so we don't return "IR only" status for exported symbols or -r links.
1402
1403 * testsuite/Makefile.am (plugin_test_3): New test case.
1404 * testsuite/Makefile.in: Regenerate.
1405 * testsuite/plugin_test_3.sh: New file.
1406
5995b570
CC		 14072008-12-22 Cary Coutant <ccoutant@google.com>
1408
1409 * object.cc (Sized_relobj::layout_section): New function.
1410 (Sized_relobj::do_layout): Defer layout of input sections until after
1411 plugin has provided replacement files.
1412 (Sized_relobj::do_layout_deferred_sections): New function.
1413 * object.h (Relobj::set_section_offset): Remove virtual keyword.
1414 (Relobj::layout_deferred_sections): New function.
1415 (Relobj::do_layout_deferred_sections): New function.
1416 (Sized_relobj::do_layout_deferred_sections): New function.
1417 (Sized_relobj::layout_section): New function.
1418 (Sized_relobj::Deferred_layout): New structure.
1419 (Sized_relobj::deferred_layout_): New field.
1420 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
1421 Change all callers. Layout deferred sections.
1422 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
1423 references.
1424 (Plugin_hook::run): Move code from do_plugin_hook inline.
1425 (Plugin_hook::do_plugin_hook): Remove.
1426 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
1427 (Plugin_manager::finish): Renamed, was cleanup.
1428 (Plugin_manager::should_defer_layout): New function.
1429 (Plugin_manager::add_deferred_layout_object): New function.
1430 (Plugin_manager::Deferred_layout_list): New type.
1431 (Plugin_manager::deferred_layout_objects_): New field.
1432 (Plugin_hook::do_plugin_hook): Remove.
1433
ee769c88
ILT		 14342008-12-17 Ian Lance Taylor <iant@google.com>
1435
1436 * options.h (class General_options): Add --no case for
1437 --export-dynamic.
1438
abc8dcba
CC		 14392008-12-16 Cary Coutant <ccoutant@google.com>
1440
1441 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
1442 vector.
1443 (Plugin_manager::claim_file): Create plugin object even if
1444 plugin did not call the add_symbols callback.
1445 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
1446 asking for more symbols than were added.
1447 * testsuite/Makefile.am (plugin_test_1): Add test case with
1448 no global symbols.
1449 (empty.syms): New target.
1450 * testsuite/Makefile.in: Regenerate.
1451 * testsuite/plugin_test.c (claim_file_hook): Add new debug
1452 message. Don't call add_symbols if no globals.
1453 (all_symbols_read_hook): Don't provide replacement for empty
1454 claimed file.
1455
b0074644
ILT		 14562008-12-12 Ian Lance Taylor <iant@google.com>
1457
68943102
ILT		 1458 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
1459 r_type == 0 for a local symbol with r_sym == 0.
1460 (scan_relocatable_relocs): Pass r_sym to
1461 local_non_section_strategy.
1462 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
1463 r_sym parameter.
1464
b0074644
ILT		 1465 * configure.ac: Update test for TLS descriptors: they are
1466 supported as of glibc 2.9.
1467 * configure: Rebuild.
1468
c2508178
ILT		 14692008-12-11 Ian Lance Taylor <iant@google.com>
1470
1471 PR 7091
1472 * target-reloc.h (Default_scan_relocatable_relocs): For each
1473 function, map r_type == 0 to RELOC_DISCARD.
1474
2756a258
CC		 14752008-12-10 Cary Coutant <ccoutant@google.com>
1476
1477 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
1478 object to override a kept COMDAT group from a plugin object.
1479
bb6f53d3
ILT		 14802008-12-09 Ian Lance Taylor <iant@google.com>
1481
fbc558e1
ILT		 1482 PR 7088
1483 * yyscript.y (file_cmd): Handle INPUT.
1484
bb6f53d3
ILT		 1485 * testsuite/initpri1.c: Change all declarations to be full
1486 prototypes by adding void, to avoid compiler warnings.
1487
4674ecfc
CC		 14882008-12-05 Rafael Avila de Espindola <espindola@google.com>
1489
1490 * options.cc (General_options::parse_plugin_opt): New.
1491 (General_options::add_plugin): The argument now is just the filename.
1492 (General_options::add_plugin_option): New.
1493 * options.h (plugin_opt): New.
1494 (add_plugin): Change argument name.
1495 (add_plugin_option): New.
1496 * plugin.cc (Plugin::load): Don't parse the plugin option.
1497 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
1498 (Plugin::add_option): New.
1499 (Plugin::args_): Change type.
1500 (Plugin::filename_): New.
1501 (Plugin_manager::add_plugin_option): New.
1502 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
1503 * testsuite/Makefile.in: Regenerate.
1504
fd06b4aa
CC		 15052008-12-05 Cary Coutant <ccoutant@google.com>
1506
1507 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
1508 Handle --strip-lto-sections option.
1509 * options.h (strip_lto_sections): New option.
1510
6c52134c
CC		 15112008-12-01 Cary Coutant <ccoutant@google.com>
1512
1513 * plugin.cc (ld_plugin_message): Change format parameter to const.
1514 Fix mismatch between new[] and delete.
1515
a45248e0
CC		 15162008-11-14 Cary Coutant <ccoutant@google.com>
1517
1518 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
1519 instead of -1U.
1520
c82fbeee
CS		 15212008-11-05 Craig Silverstein <csilvers@google.com>
1522
1523 * options.cc (General_options::parse_dynamic_list): New function.
1524 * options.h (General_options): New flags dynamic_list,
1525 dynamic_list_data, dynamic_list_cpp_new, and
1526 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
1527 (General_options::in_dynamic_list): New function.
1528 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
1529 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
1530 (Lex::can_continue_name): Likewise.
1531 (yylex): Likewise.
1532 (read_script_file): New parameter script_options.
1533 (read_dynamic_list): New function.
1534 (Script_options::define_dynamic_list): New function.
1535 (dynamic_list_keyword_parsecodes): New variable.
1536 (dynamic_list_keywords): New variable.
1537 * script.h (Script_options::define_dynamic_list): New function
1538 prototype.
1539 (read_dynamic_list): New function prototype.
1540 * symtab.cc (strprefix): New macro.
1541 (Symbol::should_add_dynsym_entry): Support dynamic_list,
1542 dynamic_list_data, dynamic_list_cpp_new, and
1543 dynamic_list_cpp_typeinfo.
1544 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
1545 (dynamic_list_expr): New rule.
1546 (dynamic_list_nodes): Likewise.
1547 (dynamic_list_node): Likewise.
1548 * testsuite/Makefile.am (dynamic_list): New test.
1549 * testsuite/Makefile.in: Regenerated.
1550 * testsuite/dynamic_list.t: New file.
1551 * testsuite/dynamic_list.sh: New file.
1552
e0bb29a5
CS		 15532008-11-05 Craig Silverstein <csilvers@google.com>
1554
1555 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
1556 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
1557 (t11_last): Likewise.
1558 * testsuite/ver_test_6.c (main): Likewise.
1559
4e1e25e0
CC		 15602008-10-07 Cary Coutant <ccoutant@google.com>
1561
1562 * options.c (General_options::finalize): Add check for -static and
1563 -shared.
1564 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
1565 is not empty.
1566
92f03fcb
CC		 15672008-10-02 Cary Coutant <ccoutant@google.com>
1568
1569 * plugin.cc (make_sized_plugin_object): Fix conditional
1570 compilation to work when not all targets are enabled.
1571
fbd8a257
CC		 15722008-09-29 Cary Coutant <ccoutant@google.com>
1573
1574 * archive.cc (Archive::get_file_and_offset): Use filename instead
1575 of name to get library path.
1576 (Archive::include_member): Unlock external member of a thin archive.
1577
1578 * testsuite/Makefile.am (TEST_AR): New variable.
1579 (thin_archive_test_1): New test.
1580 (thin_archive_test_2): New test.
81636b3f
CC		 1581 * testsuite/Makefile.in: Regenerate.
1582 * testsuite/thin_archive_main.cc: New file.
1583 * testsuite/thin_archive_test_1.cc: New file.
1584 * testsuite/thin_archive_test_2.cc: New file.
1585 * testsuite/thin_archive_test_3.cc: New file.
1586 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 1587
eff45813
CC		 15882008-09-29 Cary Coutant <ccoutant@google.com>
1589
1590 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
1591 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
1592 instead of -1U.
1593 (Sized_relobj::do_finalize_local_symbols): Likewise.
1594 (Sized_relobj::map_to_kept_section): Likewise.
1595 * object.h (Sized_relobj::invalid_address): New constant.
1596 (Sized_relobj::do_output_section_offset): Check for invalid_address
1597 and return -1ULL.
1598 * output.cc (Output_reloc::local_section_offset): Use constant
1599 invalid_address instead of -1U.
1600 (Output_reloc::get_address): Likewise.
1601 (Output_section::output_address): Change -1U to -1ULL.
1602 * output.h (Output_reloc::invalid_address): New constant.
1603 * reloc.cc (Sized_relobj::write_sections): Use constant
1604 invalid_address instead of -1U.
1605 (Sized_relobj::relocate_sections): Likewise.
1606 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
1607 values for merge sections.
1608 * target-reloc.h (relocate_for_relocatable): Use constant
1609 invalid_address instead of -1U.
1610
89fc3421
CC		 16112008-09-19 Cary Coutant <ccoutant@google.com>
1612
1613 Add plugin functionality for link-time optimization (LTO).
1614 * configure.ac (plugins): Add --enable-plugins option.
1615 * configure: Regenerate.
1616 * config.in: Regenerate.
1617 * Makefile.am (LIBDL): New variable.
1618 (CCFILES): Add plugin.cc.
1619 (HFILES): Add plugin.h.
1620 (ldadd_var): Add LIBDL.
1621 * Makefile.in: Regenerate.
1622
1623 * archive.cc: Include "plugin.h".
1624 (Archive::setup): Don't preread archive symbols when using a plugin.
1625 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
1626 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
1627 files.
1628 (Archive::include_member): Add symbols from plugin objects.
1629 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
1630 * descriptors.cc (Descriptors::open): Check for file descriptors
1631 abandoned by plugins.
1632 (Descriptors::claim_for_plugin): New function.
1633 * descriptors.h (Descriptors::claim_for_plugin): New function.
1634 (Open_descriptor::is_claimed): New field.
1635 (claim_descriptor_for_plugin): New function.
1636 * fileread.cc (File_read::claim_for_plugin): New function.
1637 * fileread.h (File_read::claim_for_plugin): New function.
1638 (File_read::descriptor): New function.
1639 * gold.cc: Include "plugin.h".
1640 (queue_initial_tasks): Add task to call plugin hooks for generating
1641 new object files.
1642 * main.cc: Include "plugin.h".
1643 (main): Load plugin libraries.
1644 * object.h (Pluginobj): Declare.
1645 (Object::pluginobj): New function.
1646 (Object::do_pluginobj): New function.
1647 (Object::set_target): New function.
1648 * options.cc: Include "plugin.h".
1649 (General_options::parse_plugin): New function.
1650 (General_options::General_options): Initialize plugins_ field.
1651 (General_options::add_plugin): New function.
1652 * options.h (Plugin_manager): Declare.
1653 (General_options): Add --plugin option.
1654 (General_options::has_plugins): New function.
1655 (General_options::plugins): New function.
1656 (General_options::add_plugin): New function.
1657 (General_options::plugins_): New field.
1658 * plugin.cc: New file.
1659 * plugin.h: New file.
1660 * readsyms.cc: Include "plugin.h".
1661 (Read_symbols::do_read_symbols): Check for archive before checking
1662 for ELF file. Call plugin hooks to claim files.
1663 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
1664 from a real object file; force override when processing replacement
1665 files.
1666 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
1667 (Symbol::init_base_object): Likewise.
1668 (Symbol::init_base_output_data): Likewise.
1669 (Symbol::init_base_output_segment): Likewise.
1670 (Symbol::init_base_constant): Likewise.
1671 (Symbol::init_base_undefined): Likewise.
1672 (Symbol::output_section): Assert that object is not a plugin.
1673 (Symbol_table::add_from_pluginobj): New function.
1674 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
1675 undefined.
1676 (Symbol_table::sized_write_globals): Likewise.
1677 (Symbol_table::add_from_pluginobj): Instantiate template.
1678 * symtab.h (Sized_pluginobj): Declare.
1679 (Symbol::in_real_elf): New function.
1680 (Symbol::set_in_real_elf): New function.
1681 (Symbol::in_real_elf_): New field.
1682 (Symbol_table::add_from_pluginobj): New function.
1683
1684 * testsuite/Makefile.am (AM_CFLAGS): New variable.
1685 (LIBDL): New variable.
1686 (LDADD): Add LIBDL.
1687 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
1688 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
1689 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
1690 (MOSTLYCLEANFILES): Likewise.
1691 * testsuite/Makefile.in: Regenerate.
1692 * testsuite/plugin_test.c: New file.
1693 * testsuite/plugin_test_1.sh: New file.
1694 * testsuite/plugin_test_2.sh: New file.
1695
de31bda5
ILT		 16962008-09-16 Ian Lance Taylor <iant@google.com>
1697
9c2d0ef9
ILT		 1698 * target-reloc.h (relocate_section): Check whether a symbol is
1699 defined by the ABI before reporting an undefined symbol error.
1700 * target.h (Target::is_defined_by_abi): Make parameter const.
1701 (Target::do_is_defined_by_abi): Likewise.
1702 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
1703 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
1704 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
1705 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
1706 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
1707 * testsuite/Makefile.in: Rebuild.
1708
de31bda5
ILT		 1709 * fileread.cc (make_view): Add casts to avoid warning.
1710
9fa33bee
AO		 17112008-09-16 Alexandre Oliva <aoliva@redhat.com>
1712
1713 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
1714 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1715
183fd0e3
AO		 17162008-09-16 Alexandre Oliva <aoliva@redhat.com>
1717
1718 * options.h (General_options::output_is_executable): New.
1719 (General_options::output_is_pie): New.
1720 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
1721 for shared libraries.
1722 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1723
7be8330a
CD		 17242008-09-11 Chris Demetriou <cgd@google.com>
1725
1726 * options.h (origin): New -z option.
1727 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
1728 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
1729 in DT_FLAGS_1.
1730
a9caad02
CC		 17312008-09-05 Cary Coutant <ccoutant@google.com>
1732
1733 * fileread.cc (File_read::make_view): Add check for attempt to map
1734 beyond end of file.
1735
ae6dce4d
CC		 17362008-09-05 Cary Coutant <ccoutant@google.com>
1737
1738 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
1739 explicit instantiations.
1740
d7ab2a47
KVH		 17412008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
1742
1743 PR gold/6858
1744 * options.cc (General_options::finalize): Allow undefined symbols
1745 in shlibs if linking -shared.
1746
1747 PR gold/6859
1748 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
1749 symbols as not needing a dynsym entry.
1750
1e52a9c1
CS		 17512008-08-20 Craig Silverstein <csilvers@google.com>
1752
1753 * fileread.cc (File_read::open): Do not lock the file unless it
1754 was successfully opened.
1755
d85c80a3
CC		 17562008-08-14 Cary Coutant <ccoutant@google.com>
1757
1758 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
1759 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
1760 * testsuite/tls_test.cc (struct int128): 128-bit struct
1761 for testing TLS relocs with non-zero addend.
1762 (v12): New TLS variable.
1763 (t12): New test.
1764 (t_last): Add check for v12.
1765 * testsuite/tls_test.h (t12): New function.
1766 * testsuite/tls_test_main.cc (thread_routine): Call new test.
1767
2d924fd9
ILT		 17682008-08-13 Ian Lance Taylor <iant@google.com>
1769
1770 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
1771 set tls_segment_ or relro_segment_.
1772 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
1773 when appropriate.
1774 * output.h (Output_section::clear_is_relro): New function.
1775 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
1776 sections specially even when output_data_ is empty.
1777 (Output_segment::maximum_alignment): When first section is relro,
1778 only force alignment for PT_LOAD segments.
1779 * script.cc (script_data_segment_align): New function.
1780 (script_data_segment_relro_end): New function.
1781 * script-c.h (script_data_segment_align): Declare.
1782 (script_data_segment_relro_end): Declare.
1783 * script-sections.h (class Script_sections): Declare
1784 data_segment_align and data_segment_relro_end. Add fields
1785 segment_align_index_ and saw_relro_end_.
1786 * script-sections.cc (class Sections_element): Add set_is_relro
1787 virtual function. Add new bool* parameter to place_orphan_here.
1788 Add get_output_section virtual function.
1789 (class Output_section_definition): Add set_is_relro. Add new
1790 bool* parameter to place_orphan_here. Add get_output_section.
1791 Add is_relro_ field.
1792 (Output_section_definition::Output_section_definition): Initialize
1793 evaluated_address_, evaluated_load_address, evaluated_addralign_,
1794 and is_relro_ fields.
1795 (Output_section_definition::place_orphan_here): Add is_relro
1796 parameter.
1797 (Output_section_definition::set_section_addresses): Set relro for
1798 output section.
1799 (Output_section_definition::alternate_constraint): Likewise.
1800 (class Orphan_output_section): Add new bool* parameter to
1801 place_orphan_here. Add get_output_section.
1802 (Orphan_output_section::place_orphan_here): Add is_relro
1803 parameter.
1804 (Script_sections::Script_sections): Initialize
1805 data_segment_align_index_ and saw_relro_end_.
1806 (Script_sections::data_segment_align): New function.
1807 (Script_sections::data_segment_relro_end): New function.
1808 (Script_sections::place_orphan): Set or clear is_relro.
1809 (Script_sections::set_section_addresses): Force alignment of first
1810 TLS section.
1811 * yyscript.y (exp): Call script_data_segment_align and
1812 script_data_segment_relro_end.
1813 * testsuite/relro_script_test.t: New file.
1814 * testsuite/relro_test.cc (using_script): Declare.
1815 (t1, t2): Test using_script.
1816 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
1817 (relro_script_test_SOURCES): Define.
1818 (relro_script_test_DEPENDENCIES): Define.
1819 (relro_script_test_LDFLAGS): Define.
1820 (relro_script_test_LDADD): Define.
1821 (relro_script_test.so): New target.
1822 * testsuite/Makefile.in: Rebuild.
1823
f827c9a9
CC		 18242008-08-06 Cary Coutant <ccoutant@google.com>
1825
1826 * archive.cc (Archive::total_archives, Archive::total_members)
1827 (Archive::total_members_loaded): New variables.
1828 (Archive::setup): Add parameter. Add option to preread
1829 archive symbols.
1830 (Archive::read_armap): Add counter.
1831 (Archive::get_file_and_offset): New function.
1832 (Archive::get_elf_object_for_member): New function.
1833 (Archive::read_all_symbols): New function.
1834 (Archive::read_symbols): New function.
1835 (Archive::add_symbols): Add counters.
1836 (Archive::include_all_members): Use armap to find members if it's
1837 already built.
1838 (Archive::include_member): Skip reading symbols if already read.
1839 Factored code into Archive::get_file_and_offset and
1840 Archive::get_elf_object_for_member. Changed call to
1841 Mapfile::report_include_archive_member.
1842 (Archive::print_stats): New function.
1843 * archive.h: Declare Object and Read_symbols_data classes.
1844 (Archive::Archive): Add initializers for new members.
1845 (Archive::setup): Add parameter.
1846 (Archive::print_stats): New function.
1847 (Archive::total_archives, Archive::total_members)
1848 (Archive::total_members_loaded): New variables.
1849 (Archive::get_file_and_offset): New function.
1850 (Archive::get_elf_object_for_member): New function.
1851 (Archive::read_all_symbols): New function.
1852 (Archive::read_symbols): New function.
1853 (Archive::Archive_member): New class.
1854 (Archive::members_): New member.
1855 (Archive::num_members_): New member.
1856 * main.cc: Include archive.h.
1857 (main): Call Archive::print_stats.
1858 * mapfile.cc (Mapfile::report_include_archive_member): Delete
1859 archive parameter; member_name is now the fully-decorated name.
1860 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
1861 * options.h: (General_options): Add --preread-archive-symbols option.
1862 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
1863 Archive::setup.
1864
de4c45bd
ILT		 18652008-08-04 Ian Lance Taylor <iant@google.com>
1866
1867 * symtab.h (Symbol::use_plt_offset): New function.
1868 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
1869 * powerpc.cc (Relocate::relocate): Likewise.
1870 * sparc.cc (Relocate::relocate): Likewise.
1871 * x86_64.cc (Relocate::relocate): Likewise.
1872 * testsuite/weak_plt.sh: New test.
1873 * testsuite/weak_plt_main.cc: New test.
1874 * testsuite/weak_plt_shared.cc: New test.
1875 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
1876 (check_PROGRAMS): Add weak_plt.
1877 (check_DATA): Add weak_plt_shared.so.
1878 (weak_plt_main_pic.o, weak_plt): New targets.
1879 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
1880 * testsuite/Makefile.in: Rebuild.
1881
1882 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
1883 gcctestdir/ld.
1884 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
1885 * testsuite/Makefile.in: Rebuild.
1886
323ee3f4
AM		 18872008-08-04 Alan Modra <amodra@bigpond.net.au>
1888
1889 * Makefile.am (POTFILES.in): Set LC_ALL=C.
1890 * Makefile.in: Regenerate.
1891 * po/POTFILES.in: Regenerate.
1892
7c07ecec
ILT		 18932008-07-29 Ian Lance Taylor <iant@google.com>
1894
1895 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
1896 symbols before other symbols.
1897 * testsuite/script_test_2.cc (test_addr): Declare.
1898 (test_addr_alias): Declare.
1899 (main): Check that test_addr and test_addr_alias have the right
cd536b21 1900 values.
7c07ecec
ILT		 1901 * testsuite/script_test_2.t: Define test_addr_alias and
1902 test_addr.
1903
5778530e
ILT		 19042008-07-24 Ian Lance Taylor <iant@google.com>
1905
2a00e4fb
ILT		 1906 PR 5990
1907 * descriptors.cc: New file.
1908 * descriptors.h: New file.
1909 * gold-threads.h (class Hold_optional_lock): New class.
1910 * fileread.cc: Include "descriptors.h".
1911 (File_read::~File_read): Release descriptor rather than closing
1912 it.
1913 (File_read::open) [file]: Call open_descriptor rather than open.
1914 Set is_descriptor_opened_.
1915 (File_read::open) [memory]: Assert that descriptor is not open.
1916 (File_read::reopen_descriptor): New function.
1917 (File_read::release): Release descriptor.
1918 (File_read::do_read): Make non-const. Reopen descriptor.
1919 (File_read::read): Make non-const.
1920 (File_read::make_view): Reopen descriptor.
1921 (File_read::do_readv): Likewise.
1922 * fileread.h (class File_read): Add is_descriptor_opened_ field.
1923 Update declarations.
1924 * layout.cc: Include "descriptors.h".
1925 (Layout::create_build_id): Use open_descriptor rather than open.
1926 * output.cc: Include "descriptors.h".
1927 (Output_file::open): Use open_descriptor rather than open.
1928 * archive.cc (Archive::const_iterator): Change Archive to be
1929 non-const.
1930 (Archive::begin, Archive::end): Make non-const.
1931 (Archive::count_members): Likewise.
1932 * archive.h (class Archive): Update declarations.
1933 * object.h (Object::read): Make non-const.
1934 * Makefile.am (CCFILES): Add descriptors.cc.
1935 (HFILES): Add descriptors.h.
1936 * Makefile.in: Rebuild.
1937
801647d1
ILT		 1938 PR 6716
1939 * gold.h: Always include <clocale>. Add Solaris workarounds
1940 following code in binutils/sysdep.h.
1941
5edd166e
ILT		 1942 PR 6048
1943 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
1944 this->eh_frame_hdr_ is NULL before using it.
1945
c89ad728
ILT		 1946 * dynobj.cc (Versions::Versions): Update comment.
1947
aa86f06b
ILT		 1948 * dynobj.cc (Versions::Versions): If there is an soname, use it as
1949 the base version name.
1950
5778530e
ILT		 1951 * stringpool.cc (Stringpool_template::add_with_length): Set key to
1952 array size plus one.
1953 (Stringpool_template::set_string_offsets): Subtract one from key
1954 before using it as an array index.
1955 (Stringpool_template::get_offset_with_length): Likewise.
1956 (Stringpool_template::write_to_buffer): Likewise.
1957 * stringpool.h (Stringpool_template::get_offset_from_key):
1958 Likewise.
1959
057ead22
ILT		 19602008-07-23 Ian Lance Taylor <iant@google.com>
1961
7f649c59
ILT		 1962 PR 6658
1963 * object.h (Merged_symbol_value::value): Do our best to handle a
1964 negative addend.
1965
057ead22
ILT		 1966 PR 6647
1967 * script.cc (Version_script_info::get_versions): Don't add empty
1968 version tag to return value.
1969 (Version_script_info::get_symbol_version_helper): Change return
1970 type to bool. Add pversion parameter. Change all callers.
1971 (script_register_vers_node): Don't require a non-NULL tag.
1972 * script.h (class Version_script_info): Update declarations.
1973 (Version_script_info::get_symbol_version): Change return type to
1974 bool. Add version parameter. Change all callers.
1975 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
1976 handling. Handle an empty version from a version script.
1977 (Symbol_table::define_special_symbol): Likewise.
1978 * testsuite/ver_test_10.script: New file.
1979 * testsuite/ver_test_10.sh: New file.
1980 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
1981 (check_DATA): Add ver_test_10.syms.
1982 (ver_test_10.syms, ver_test_10.so): New target.
1983 * testsuite/Makefile.in: Rebuild.
1984
58e54ac2
CD		 19852008-07-23 Simon Baldwin <simonb@google.com>
1986
1987 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
1988 to zero for undefined symbols from dynamic libraries.
1989
95d14cd3
ILT		 19902008-07-23 Ian Lance Taylor <iant@google.com>
1991
1992 * symtab.cc (Symbol_table::resolve): Remove version parameter.
1993 Change all callers.
1994 * symtab.h (class Symbol_table): Update declaration.
1995 * testsuite/ver_test_9.cc: New file.
1996 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
1997 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
1998 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
1999 (ver_test_9.so, ver_test_9.o): New targets.
2000 * testsuite/Makefile.in: Rebuild.
2001
92de84a6
ILT		 20022008-07-22 Ian Lance Taylor <iant@google.com>
2003
34810851
ILT		 2004 * options.h (class General_options): Define --check-sections.
2005 * layout.cc (Layout::set_segment_offsets): Handle
2006 --check-sections.
2007
af6156ef
ILT		 2008 * options.h (class General_options): Define -n/--nmagic and
2009 -N/--omagic.
2010 * options.cc (General_options::finalize): For -n/--nmagic or
2011 -N/--omagic, set -static.
2012 * layout.cc (Layout::attach_allocated_section_to_segment): If
2013 -N/--omagic, don't put read-only and read-write sections in
2014 different segments.
2015 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
2016 finding a read-only segment.
2017 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
2018 don't set the minimum segment alignment to the common page size,
2019 and don't set the file offset to the address modulo the page size.
2020 * script-sections.cc (Script_sections::create_segments): If
2021 -n/--omagic, don't put read-only and read-write sections in
2022 different segments.
2023
92de84a6
ILT		 2024 * cref.cc: New file.
2025 * cref.h: New file.
2026 * options.h (class General_options): Add --print-symbol-counts.
2027 * main.cc (main): Issue defined symbol report if requested.
2028 * archive.cc (Archive::interpret_header): Make into a const member
2029 function.
2030 (Archive::add_symbols): Call Input_objects::archive_start and
2031 archive_stop.
2032 (Archive::const_iterator): Define new class.
2033 (Archive::begin, Archive::end): New functions.
2034 (Archive::include_all_members): Rewrite to use iterator.
2035 (Archive::count_members): New function.
2036 * archive.h (class Archive): Update declarations.
2037 (Archive::filename): New function.
2038 * object.cc: Include "cref.h".
2039 (Sized_relobj::Sized_relobj): Initialize defined_count_.
2040 (Sized_relobj::do_get_global_symbol_counts): New function.
2041 (Input_objects::add_object): Add object to cross-referencer.
2042 (Input_objects::archive_start): New function.
2043 (Input_objects::archive_stop): New function.
2044 (Input_objects::print_symbol_counts): New function.
2045 * object.h: Declare Cref and Archive.
2046 (Object::get_global_symbol_counts): New function.
2047 (Object::do_get_global_symbol_counts): New pure virtual function.
2048 (class Sized_relobj): Add defined_count_ field. Update
2049 declarations.
2050 (class Input_objects): Add cref_ field. Update constructor.
2051 Update declarations.
2052 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
2053 defined_count_.
2054 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
2055 symbol counts.
2056 (Sized_dynobj::do_get_global_symbol_counts): New function.
2057 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
2058 defined_count_. Update declarations. Define Symbols typedef.
2059 * symtab.cc (Symbol_table::add_from_relobj): Add defined
2060 parameter. Change all callers.
2061 (Symbol_table::add_from_dynobj): Add sympointers and defined
2062 parameters. Change all callers.
2063 * symtab.h (class Symbol_table): Update declarations.
2064 * Makefile.am (CCFILES): Add cref.cc.
2065 (HFILES): Add cref.h.
2066 * Makefile.in: Rebuild.
2067
3f7c5e1d
CD		 20682008-07-22 Simon Baldwin <simonb@google.com>
2069
2070 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
2071 to zero when writing undefined symbols.
2072
e0b64032
ILT		 20732008-07-22 Ian Lance Taylor <iant@google.com>
2074
2075 * output.cc (Output_section::add_input_section): Don't try to
2076 merge empty merge sections.
2077
096b02cf
CS		 20782008-07-21 Craig Silverstein <csilvers@google.com>
2079
2080 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2081 Include symbol version in error message.
cd536b21 2082
1d1f116d
CD		 20832008-07-20 Chris Demetriou <cgd@google.com>
2084
cd536b21 2085 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 2086 (RANDOM_SEED_CFLAGS): New substituted variable.
2087 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
2088 * configure: Rebuild.
2089 * Makefile.in: Likewise.
2090 * testsuite/Makefile.in: Likewise.
2091
a18f591e
ILT		 20922008-07-18 Ian Lance Taylor <iant@google.com>
2093
2094 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
2095 where we see NAME/NULL and NAME/VERSION as separate symbols.
2096 * testsuite/ver_test_main.cc (main): Call t4.
2097 (t4, t4_2a): Define.
2098 * testsuite/ver_test_2.cc (t4_2): Define.
2099 * testsuite/ver_test_2.script: Put t4_2a in VER2.
2100 * testsuite/ver_test_4.cc (t4_2a): Define.
2101 * testsuite/ver_test_4.script: Put t4_2a in VER2.
2102 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2103
c6e3f6ed
ILT		 21042008-07-17 Ian Lance Taylor <iant@google.com>
2105
2106 * dynobj.cc (Versions::add_def): If we give an error about a
2107 missing version, go ahead and create the version anyhow.
2108
ef9beddf
ILT		 21092008-07-10 Ian Lance Taylor <iant@google.com>
2110
2111 Handle output sections with more than 0x7fffffff bytes.
2112 * object.h (class Relobj): Change map_to_output_ to
2113 output_sections_, and just keep a section pointer. Change all
2114 uses. Move comdat group support to Sized_relobj.
2115 (Relobj::is_section_specially_mapped): Remove.
2116 (Relobj::output_section): Remove poff parameter. Change all
2117 callers.
2118 (Relobj::output_section_offset): New function.
2119 (Relobj::set_section_offset): Rewrite.
2120 (Relobj::map_to_output): Remove.
2121 (Relobj::output_sections): New function.
2122 (Relobj::do_output_section_offset): New pure virtual function.
2123 (Relobj::do_set_section_offset): Likewise.
2124 (class Sized_relobj): Add section_offsets_ field. Add comdat
2125 group support from Relobj. Update declarations.
2126 (Sized_relobj::get_output_section_offset): New function.
2127 (Sized_relobj::do_output_section_offset): New function.
2128 (Sized_relobj::do_set_section_offset): New function.
2129 * object.cc (Relobj::output_section_address): Remove.
2130 (Sized_relobj::Sized_relobj): Initialize new fields.
2131 (Sized_relobj::include_section_group): Cast find_kept_object to
2132 Sized_relobj.
2133 (Sized_relobj::include_linkonce_section): Likewise.
2134 (Sized_relobj::do_layout): Use separate arrays for output section
2135 and output offset.
2136 (Sized_relobj::do_count_local_symbols): Change map_to_output to
2137 output_sections.
2138 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
2139 output_sections and section_offsets.
2140 (Sized_relobj::write_local_symbols): Likewise.
2141 (map_to_kept_section): Compute output address directly.
2142 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
2143 output_sections and section_offsets.
2144 (Sized_relobj::write_sections): Likewise.
2145 (Sized_relobj::relocate_sections): Likewise.
2146 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
2147 * output.h (class Output_reloc): Update declarations. Change
2148 u2_.relobj to Sized_relobj*.
2149 (class Output_data_reloc): Change add functions to use
2150 Sized_relobj*.
2151 * output.cc (Output_reloc::Output_reloc): Change relobj to
2152 Sized_relobj*.
2153 (Output_reloc::local_section_offset): Change return type to
2154 Elf_Addr. Use get_output_section_offset.
2155 (Output_reloc::get_address): Likewise.
2156 (Output_section::is_input_address_mapped): Don't call
2157 is_section_specially_mapped.
2158 (Output_section::output_offset): Likewise.
2159 (Output_section::output_address): Likewise.
2160 (Output_section::starting_output_address): Likewise.
2161 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
2162 parameter to Sized_relobj*.
2163 (Copy_relocs::need_copy_reloc): Likewise.
2164 (Copy_relocs::save): Likewise.
2165 * copy-relocs.h (class Copy_relocs): Update declarations.
2166 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
2167 Sized_relobj*. Change relobj_ field to Sized_relobj*.
2168 * target-reloc.h (relocate_for_relocatable): Change
2169 offset_in_output_section type to Elf_Addr. Change code that uses
2170 it as well.
2171 * layout.cc (Layout::layout): Always set *off.
2172 * mapfile.cc (Mapfile::print_input_section): Use
2173 output_section_offset.
2174 * i386.cc (Target_i386::copy_reloc): Change object parameter to
2175 Sized_relobj*.
2176 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
2177 * sparc.cc (Target_sparc::copy_reloc): Likewise.
2178 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2179
5cb66f97
ILT		 21802008-07-03 Ian Lance Taylor <iant@google.com>
2181
2182 * layout.cc (Layout::include_section): Do not discard unrecognized
2183 SHT_STRTAB sections.
2184
afe47622
CS		 21852008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
2186
2187 * script.cc (Lex::can_continue_name): Make '?' allowable in
2188 version-script names.
2189 * testsuite/version_script.map: Change glob pattern to use '?'
2190
5adf9721
ILT		 21912008-06-30 Manish Singh <yosh@gimp.org>
2192
2193 PR 6585
2194 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
2195 Correct typo.
2196
e6fde208
ILT		 21972008-06-30 Ian Lance Taylor <iant@google.com>
2198
2199 PR 6660
2200 PR 6682
2201 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
2202 versions]: Don't try to read the value in the contents, since we
2203 don't use it. Use the template endianness when writing.
2204
3f2e6a2d
CC		 22052008-06-25 Cary Coutant <ccoutant@google.com>
2206
2207 * fileread.cc (File_read::make_view): Assert on zero-length view.
2208 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
2209 symbol table when there are no symbols to read.
2210
c43d3a48
CS		 22112008-06-23 Craig Silverstein <csilvers@google.com>
2212
2213 * version.cc (version_string): Bump to 1.7
2214
5f494ea0
CS		 22152008-06-18 Craig Silverstein <csilvers@google.com>
2216
2217 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
2218 constant 0xFFFF to type Valtype.
2219 (Powerpc_relocate_functions::rel16_ha): Likewise.
2220
c42e122e
ILT		 22212008-06-17 Ian Lance Taylor <iant@google.com>
2222
f34787f8
ILT		 2223 * output.h (Output_section::Input_section): Initialize p2align_ to
2224 zero for Output_section_data constructors.
2225 (Output_section::Input_section::addralign): If not an input
2226 section, return the alignment of the Output_section_data.
2227 * testsuite/copy_test.cc: New file.
2228 * testsuite/copy_test_1.cc: New file.
2229 * testsuite/copy_test_2.cc: New file.
2230 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
2231 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
2232 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
2233 (copy_test_1_pic.o, copy_test_1.so): New targets.
2234 (copy_test_2_pic.o, copy_test_2.so): New targets.
2235 * testsuite/Makefile.in: Rebuild.
2236
c42e122e
ILT		 2237 * script-sections.cc (Script_sections::place_orphan): Initialize
2238 local variable exact.
2239
ce3ac18a
DE		 22402008-06-13 David Edelsohn <edelsohn@gnu.org>
2241
2242 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
2243
42cacb20
DE		 22442008-06-12 David Edelsohn <edelsohn@gnu.org>
2245 David S. Miller <davem@davemloft.net>
2246
2247 * powerpc.cc: New file.
2248 * Makefile.am (TARGETSOURCES): Add powerpc.cc
2249 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
2250 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
2251 * Makefile.in: Rebuild.
2252
7b308235
ILT		 22532008-06-09 Ian Lance Taylor <iant@google.com>
2254
2255 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
2256 <exception>.
2257 (throwing, orig_terminate): New static variables.
2258 (terminate_handler): New static function.
2259 (t2): Set terminate handler.
2260
f0b886e3
ILT		 22612008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
2262
2263 PR 6584
cd536b21 2264 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 2265 alignment.
2266
3e90f135
CC		 22672008-05-30 Cary Coutant <ccoutant@google.com>
2268
2269 * archive.cc (Archive::include_all_members) Correct to step
2270 over symbol table and extended name table in thin archives.
2271
e09ad04a
ILT		 22722008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
2273
2274 PR 6407
2275 * target-reloc.h (relocate_for_relocatable): Fix new_offset
2276 calculation.
2277
62b01cb5
ILT		 22782008-05-28 Caleb Howe <cshowe@google.com>
2279
2280 * reduced_debug_output.cc: New file.
2281 * reduced_debug_output.h: New file.
92de84a6 2282 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 2283 * options.cc (General_options::finalize): Add strip_debug_non_line
2284 to the strip heirarchy.
2285 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
2286 fields.
2287 * layout.cc: Include "reduced_debug_output.h".
2288 (Layout::Layout): Initialize new fields.
2289 (line_only_debug_sections): New static array.
2290 (is_lines_only_debug_sections): New static inline function.
2291 (Layout::include_section): Handle --strip-debug-non-line.
2292 (Layout::make_output_section): If --strip-debug-non-line, build
2293 new output sections for .debug_abbrev and .debug_info.
2294 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
2295 gold. Warn about possible overflow.
2296 (read_signed_LEB_128): Likewise.
2297 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
2298 (read_signed_LEB_128): Declare.
2299 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
2300 (HFILES): Add reduced_debug_output.h.
2301 * Makefile.in: Rebuild.
2302
7d9e3d98
ILT		 23032008-05-21 Ian Lance Taylor <iant@google.com>
2304
2305 * mapfile.cc: New file.
2306 * mapfile.h: New file.
2307 * options.h (class General_options): Add -M/--print-map and -Map.
2308 * options.cc (General_options::finalize): Make -M equivalent to
2309 -Map -.
2310 * main.cc: Include <cstdio> and "mapfile.h".
2311 (main): Open mapfile if requested.
2312 * gold.cc (class Middle_runner): Add mapfile_ field. Update
2313 constructor. Change caller.
2314 (queue_initial_tasks): Add mapfile parameter. Change caller.
2315 (queue_middle_tasks): Likewise.
2316 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
2317 declarations.
2318 * archive.cc: Include "mapfile.h".
2319 (Archive::add_symbols): Add mapfile parameter. Change all
2320 callers. Pass mapfile, symbol, and reason to include_member.
2321 (Archive::include_all_members): Add mapfile parameter. Change all
2322 callers.
2323 (Archive::include_member): Add mapfile, sym, and why parameters.
2324 Change all callers. Report inclusion to map file.
2325 * archive.h: Include "fileread.h".
2326 (class Archive): Update declarations.
2327 (Archive::file): New const method.
2328 (class Add_archive_symbols): Add mapfile_ field. Update
2329 constructor. Change all callers.
2330 * readsyms.h (class Read_symbols): Likewise.
2331 (class Finish_group): Likewise.
2332 (class Read_script): Likewise.
2333 * common.cc: Include "mapfile.h".
2334 (Symbol_table::allocate_commons): Add mapfile parameter. Change
2335 all callers.
2336 (Symbol_table::do_allocate_commons): Likewise.
2337 (Symbol_table::do_allocate_commons_list): Likewise. Report common
2338 symbol allocation to mapfile.
2339 * common.h (class Allocate_commons_task): Add mapfile_ field.
2340 Update constructor. Change all callers.
2341 * symtab.h (class Symbol_table): Update declarations.
2342 * layout.cc: Include "mapfile.h".
2343 (Layout_task_runner::run): Print information to mapfile.
2344 (Layout::create_gold_note): Change Output_data_fixed_space to
2345 Output_data_zero_fill.
2346 (Layout::create_build_id): Likewise.
2347 (Layout::print_to_mapfile): New function.
2348 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
2349 constructor. Change caller.
2350 (class Layout): Declare print_to_mapfile.
2351 * output.cc (Output_section::Input_section::print_to_mapfile): New
2352 function.
2353 (Output_section::add_input_section): If producing a map, always
2354 add to input_sections_ list.
2355 (Output_section::do_print_to_mapfile): New function.
2356 (Output_segment::print_sections_to_mapfile): New function.
2357 (Output_segment::print_section_list_to_mapfile): New function.
2358 * output.h: Include "mapfile.h".
2359 (Output_data::print_to_mapfile): New function.
2360 (Output_data::do_print_to_mapfile): New virtual function.
2361 (Output_segment_headers::do_print_to_mapfile): New function.
2362 (Output_file_header::do_print_to_mapfile): New function.
2363 (Output_data_const::do_print_to_mapfile): New function.
2364 (class Output_data_const_buffer): Add map_name_ field. Update
2365 constructor. Change all callers. Add do_print_to_mapfile
2366 function.
2367 (class Output_data_fixed_space): Likewise.
2368 (class Output_data_space): Likewise.
2369 (class Output_data_zero_fill): New class.
2370 (Output_data_strtab::do_print_to_mapfile): New function.
2371 (Output_data_reloc_base::do_print_to_mapfile): New function.
2372 (Output_relocatable_relocs::do_print_to_mapfile): New function.
2373 (Output_data_group::do_print_to_mapfile): New function.
2374 (Output_data_got::do_print_to_mapfile): New function.
2375 (Output_data_dynamic::do_print_to_mapfile): New function.
2376 (Output_symtab_xindex::do_print_to_mapfile): New function.
2377 (class Output_section): Declare do_print_to_mapflie. Declare
2378 print_to_mapfile in Input_section.
2379 (class Output_segment): Declare new functions.
2380 * object.h (Sized_relobj::symbol_count): New function.
2381 * script-sections.cc
2382 (Output_section_element_dot_assignment::set_section_addresses):
2383 Change Output_data_fixed_space to Output_data_zero_fill.
2384 (Output_data_expression::do_print_to_mapfile): New function.
2385 * script.cc (read_input_script): Add mapfile parameter. Change
2386 all callers.
2387 * script.h (read_input_script): Update declaration.
2388 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
2389 (Eh_frame::do_print_to_mapfile): New function.
2390 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
2391 (Output_merge_string::do_print_to_mapfile): New function.
2392 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
2393 function.
2394 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
2395 function.
2396 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
2397 function.
2398 * Makefile.am (CCFILES): Add mapfile.cc.
2399 (HFILES): Add mapfile.h.
2400 * Makefile.in: Rebuild.
2401
9f1d377b
ILT		 24022008-05-19 Ian Lance Taylor <iant@google.com>
2403
2404 * options.h (class General_options): Add -z relro.
2405 * layout.cc (Layout::Layout): Initialize relro_segment_.
2406 (Layout::add_output_section_data): Return the output section.
2407 (Layout::make_output_section): Rcognize relro sections and mark
2408 them appropriately.
2409 (Layout::attach_allocated_section_to_segment): Put relro sections
2410 in a PT_GNU_RELRO segment.
2411 (Layout::create_initial_dynamic_sections): Mark the .dynamic
2412 section as relro.
2413 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
2414 PT_TLS segments.
2415 (Layout::linkonce_mapping): Map d.rel.ro.local to
2416 .data.rel.ro.local.
2417 (Layout::output_section_name): Us .data.rel.ro.local for any
2418 section which begins with that.
2419 * layout.h (class Layout): Update add_output_section_data
2420 declaration. Add relro_segment_ field.
2421 * output.cc (Output_section::Output_section): Initialize is_relro_
2422 and is_relro_local_ fields.
2423 (Output_segment::add_output_section): Group relro sections.
2424 (Output_segment::is_first_section_relro): New function.
2425 (Output_segment::maximum_alignment): If there is a relro section,
2426 align the segment to the common page size.
2427 (Output_segment::set_section_addresses): Track whether we are
2428 looking at relro sections. If the last section is a relro
2429 section, align to the common page size.
2430 (Output_segment::set_section_list_addresses): Add in_relro
2431 parameter. Change all callers. Align to the page size when
2432 moving from relro to non-relro section.
2433 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
2434 segment.
2435 * output.h (class Output_section): Add is_relro_ and
2436 is_relro_local_ fields.
2437 (Output_section::is_relro): New function.
2438 (Output_section::set_is_relro): New function.
2439 (Output_section::is_relro_local): New function.
2440 (Output_section::set_is_relro_local): New function.
2441 (class Output_segment): Update declarations.
2442 * i386.cc (Target_i386::got_section): Mark .got section as relro.
2443 * sparc.cc (Target_sparc::got_section): Likewise.
2444 * x86_64.cc (Target_x86_64::got_section): Likewise.
2445 * testsuite/relro_test_main.cc: New file.
2446 * testsuite/relro_test.cc: New file.
2447 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
2448 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
2449 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
2450 (relro_test.so, relro_test_pic.o): New targets.
2451 * testsuite/Makefile.in: Rebuild.
2452
a984ee1d
ILT		 24532008-05-16 Ian Lance Taylor <iant@google.com>
2454
01676dcd
ILT		 2455 * output.cc (Output_segment::add_output_section): Remove front
2456 parameter.
2457 * output.h (class Output_segment): Remove
2458 add_initial_output_section and overloaded add_output_section.
2459 Update declaration of remaining add_output_section.
2460 * layout.cc (Layout::create_interp): Call add_output_section
2461 rather than add_initial_output_section.
2462 (Layout::finish_dynamic_section): Likewise.
2463
497897f9
ILT		 2464 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
2465 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
2466 know the dynamic type.
2467 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
2468 field. Initialize it in constructor.
2469 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
2470 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
2471 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
2472 reloc.
2473
a984ee1d
ILT		 2474 * output.cc (Output_reloc::get_address): Change return type to
2475 Elf_Addr.
2476 * output.h (class Output_reloc): Update get_address declaration.
2477 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
2478 for section addresses.
2479
55ba0940
ILT		 24802008-05-09 Ian Lance Taylor <iant@google.com>
2481
2482 PR 6493
2483 * gold.cc (gold_nomem): Use return value of write.
2484
75517b77
ILT		 24852008-05-08 Ian Lance Taylor <iant@google.com>
2486
2487 * symtab.c (Symbol::init_base_output_data): Add version
2488 parameter. Change all callers.
2489 (Symbol::init_base_output_segment): Likewise.
2490 (Symbol::init_base_constant): Likewise.
2491 (Symbol::init_base_undefined): Likewise.
2492 (Sized_symbol::init_output_data): Likewise.
2493 (Sized_symbol::init_output_segment): Likewise.
2494 (Sized_symbol::init_constant): Likewise.
2495 (Sized_symbol::init_undefined): Likewise.
2496 (Symbol_table::do_define_in_output_data): If the new symbol has a
2497 version, mark it as the default.
2498 (Symbol_table::do_define_in_output_segment): Likewise.
2499 (Symbol_table::do_define_as_constant): Likewise.
2500 * symtab.h (class Symbol): Update declarations.
2501 (class Sized_symbol): Likewise.
2502 * resolve.cc (Symbol::override_version): New function.
c42e122e 2503 (Symbol::override_base): Call override_version.
75517b77
ILT		 2504 (Symbol::override_base_with_special): Likewise.
2505 * testsuite/ver_script_8.script: New file.
2506 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
2507 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
2508 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
2509 (ver_test_8_1.so, ver_test_8_2.so): New targets.
2510
f1f70eae
ILT		 25112008-05-06 Ian Lance Taylor <iant@google.com>
2512
f3e9c5c5
ILT		 2513 PR 6049
2514 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
2515 functions.
2516 (class General_options): Remove existing --undefined, and add
2517 --no-undefined instead. Add new --undefined as synonym for -u.
2518 * archive.cc (Archive::add_symbols): Check whether symbol was
2519 named with -u.
2520 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
2521 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
2522 all uses. Add IS_UNDEFINED. Update declarations to split
2523 different versions of init_base. Declare init_base_undefined.
2524 (Symbol::is_defined): Handle IS_UNDEFINED.
2525 (Symbol::is_undefined): Likewise.
2526 (Symbol::is_weak_undefined): Call is_undefined.
2527 (Symbol::is_absolute): Handle IS_CONSTANT.
2528 (class Sized_symbol): Update declarations to split different
2529 versions of init. Declare init_undefined.
2530 (class Symbol_table): Declare new functions.
2531 * symtab.cc (Symbol::init_base_object): Rename from init_base.
2532 Change all callers.
2533 (Symbol::init_base_output_data): Likewise.
2534 (Symbol::init_base_output_segment): Likewise.
2535 (Symbol::init_base_constant): Likewise.
2536 (Symbol::init_base_undefined): New function.
2537 (Sized_symbol::init_object): Rename from init. Change all
2538 callers.
2539 (Sized_symbol::init_output_data): Likewise.
2540 (Sized_symbol::init_output_segment): Likewise.
2541 (Sized_symbol::init_constant): Likewise.
2542 (Sized_symbol::init_undefined): New function.
2543 (Symbol_table::add_undefined_symbols_from_command_line): New
2544 function.
2545 (Symbol_table::do_add_undefined_symbols_from_command_line): New
2546 function.
2547 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
2548 (Symbol::output_section): Likewise.
2549 (Symbol::set_output_section): Likewise.
2550 (Symbol_table::sized_finalize_symbol): Likewise.
2551 (Symbol_table::sized_write_globals): Likewise.
2552 * resolve.cc (Symbol_table::should_override): Likewise.
2553 (Symbol::override_base_with_special): Likewise.
2554
8bdcdf2c
ILT		 2555 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
2556 symbol, change it to have default visibility.
2557 * testsuite/protected_1.cc: New file.
2558 * testsuite/protected_2.cc: New file.
2559 * testsuite/protected_3.cc: New file.
2560 * testsuite/protected_main_1.cc: New file.
2561 * testsuite/protected_main_2.cc: New file.
2562 * testsuite/protected_main_3.cc: New file.
2563 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
2564 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
2565 (protected_1_LDFLAGS, protected_1_LDADD): Define.
2566 (protected_1.so): New target.
2567 (protected_1_pic.o, protected_2_pic.o): New targets.
2568 (protected_3_pic.o): New target.
2569 (check_PROGRAMS): Add protected_2.
2570 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
2571 (protected_2_LDFLAGS, protected_2_LDADD): Define.
2572 * testsuite/Makefile.in: Rebuild.
2573
2b706932
ILT		 2574 * options.h (DEFINE_var): Add set_user_set_##varname__.
2575 (DEFINE_bool_alias): New macro.
2576 (class General_options): Define -Bstatic using DEFINE_bool_alias
2577 rather than DEFINE_special. Add --undefined as an alias for -z
2578 defs.
2579 * options.cc (General_options::parse_Bstatic): Remove.
2580
d82a5bcc
ILT		 2581 * options.h (class General_options): Add --fatal-warnings.
2582 * main.cc (main): Implement --fatal-warnings.
2583 * errors.h (Errors::warning_count): New function.
2584
f1f70eae
ILT		 2585 * options.h (class General_options): Add -Bsymbolic-functions.
2586 * symtab.h (Symbol::is_preemptible): Check for
2587 -Bsymbolic-functions.
2588
8825ac63
ILT		 25892008-05-05 Ian Lance Taylor <iant@google.com>
2590
d98bc257
ILT		 2591 * options.h (DEFINE_bool): For DASH_Z, create the negative option
2592 as noVARNAME rather than no-VARNAME.
2593 (class General_options): Add option -z combreloc.
2594 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
2595 get_address.
2596 (Output_reloc::sort_before) [SHT_REL]: New function.
2597 (Output_reloc::sort_before) [SHT_RELA]: New function.
2598 (class Output_data_reloc_base): Add sort_relocs_ field. Define
2599 Sort_relocs_comparison.
2600 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
2601 parameter. Change all callers.
2602 (Output_data_reloc::Output_data_reloc) [both versions]: Add
2603 sort_relocs parameter. Change all callers.
2604 * output.cc (Output_reloc::get_address): New function, broken out
2605 of write_rel.
2606 (Output_reloc::write_rel): Call it.
2607 (Output_reloc::compare): New function.
2608 (Output_data_reloc_base::do_write): Optionally sort relocs.
2609
60b2b4e7
ILT		 2610 * configure.ac: If targ_extra_obj is set, link it in.
2611 * configure.tgt: Initialize all variables.
2612 (x86_64*): Set targ_extra_obj and targ_extra_size.
2613 * configure: Rebuild.
2614
8825ac63
ILT		 2615 * object.cc (Sized_relobj::include_section_group): Adjust section
2616 indexes read from group data. Build vector to pass to
2617 layout_group.
2618 * layout.cc (Layout::layout_group): Add flags and shndxes
2619 parameters. Remove contents parameter. Change caller. Update
2620 explicit instantiations.
2621 * layout.h (class Layout): Update layout_group declaration.
2622 * output.cc (Output_data_group::Output_data_group): Add flags and
2623 input_shndxes parameters. Remove contents parameter. Change
2624 caller.
2625 (Output_data_group::do_write): Change input_sections_ to
2626 input_shndxes_.
2627 * output.h (class Output_data_group): Update constructor
2628 declaration. Rename input_sections_ to input_shndxes_.
2629 * testsuite/many_sections_test.cc: Add template.
2630
e94cf127
CC		 26312008-04-30 Cary Coutant <ccoutant@google.com>
2632
4418b2d5
CC		 2633 * target-reloc.h (relocate_section): Fix dead-pointer bug.
2634
e94cf127
CC		 2635 * layout.cc (Layout::include_section): Refactored check for debug
2636 info section.
2637 (Layout::add_comdat): Add new parameters. Change type
2638 of signature parameter. Add object and shndx to signatures table.
2639 (Layout::find_kept_object): New function.
2640 * layout.h: Include <cstring>.
2641 (Layout::is_debug_info_section): New function.
2642 (Layout::add_comdat): Add new parameters.
2643 (Layout::find_kept_object): New function.
2644 (Layout::Kept_section): New struct.
2645 (Layout::Signatures): Change type of map range.
2646 * object.cc (Relobj::output_section_address): New function.
2647 (Sized_relobj::include_section_group): Add new parameters. Change
2648 calls to Layout::add_comdat. Change to build table of kept comdat
2649 groups and table mapping discarded sections to kept sections.
2650 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
2651 (Sized_relobj::do_layout): Change calls to include_section_group and
2652 include_linkonce_section.
2653 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
2654 value to zero when section is discarded.
2655 (Sized_relobj::map_to_kept_section): New function.
2656 * object.h (Relobj::output_section_address): New function.
2657 (Relobj::Comdat_group): New type.
2658 (Relobj::find_comdat_group): New function.
2659 (Relobj::Comdat_group_table): New type.
2660 (Relobj::Kept_comdat_section): New type.
2661 (Relobj::Kept_comdat_section_table): New type.
2662 (Relobj::add_comdat_group): New function.
2663 (Relobj::set_kept_comdat_section): New function.
2664 (Relobj::get_kept_comdat_section): New function.
2665 (Relobj::comdat_groups_): New field.
2666 (Relobj::kept_comdat_sections_): New field.
2667 (Symbol_value::input_value): Update comment.
2668 (Sized_relobj::map_to_kept_section) New function.
2669 (Sized_relobj::include_linkonce_section): Add new parameter.
2670 * target-reloc.h (Comdat_behavior): New type.
2671 (get_comdat_behavior): New function.
2672 (relocate_section): Add code to map a discarded section to the
2673 corresponding kept section when applying a relocation.
2674
e4e5049b
CS		 26752008-04-30 Craig Silverstein <csilvers@google.com>
2676
2677 * dwarf_reader.cc (next_generation_count): New static var.
2678 (Addr2line_cache_entry): New struct.
2679 (addr2line_cache): New static var.
2680 (Dwarf_line_info::one_addr2line): Added caching.
2681 (Dwarf_line_info::clear_addr2line_cache): New function.
2682 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
2683 cache-size parameter.
2684 (Dwarf_line_info::one_addr2line_cache): New function.
2685 * symtab.cc (Symbol_table::detect_odr_violations): Pass
2686 new cache-size argument to one_addr2line(), and clear cache.
2687
d09e9154
CC		 26882008-04-28 Cary Coutant <ccoutant@google.com>
2689
2690 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
2691 R_386_PC8 relocations.
2692
7ef73768
ILT		 26932008-04-23 Ian Lance Taylor <iant@google.com>
2694
55438702
ILT		 2695 * object.cc (Sized_relobj::include_section_group): Check for
2696 invalid section group.
2697
c165fb93
ILT		 2698 * object.cc (make_elf_object): Correct test for 64-bit ELF file
2699 header size.
2700
7ef73768
ILT		 2701 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
2702 than read for file header.
2703 * archive.cc (Archive::include_member): Likewise.
2704
6194aaab
L		 27052008-04-23 Paolo Bonzini <bonzini@gnu.org>
2706
2707 * aclocal.m4: Regenerate.
2708 * configure: Regenerate.
2709
d491d34e
ILT		 27102008-04-19 Ian Lance Taylor <iant@google.com>
2711
5ea2bac6
ILT		 2712 * version.cc (version_string): Bump to 1.6.
2713
7bc3e21a
ILT		 2714 * testsuite/Makefile.am (many_sections_r_test): New target.
2715 (many_sections_r_test_SOURCES): Remove.
2716 (many_sections_r_test_DEPENDENCIES): Remove.
2717 (many_sections_r_test_LDFLAGS): Remove.
2718 (many_sections_r_test_LDADD): Remove.
2719
7fcd3aa9
ILT		 2720 * object.cc (Sized_relobj::do_add_symbols): Always pass
2721 local_symbol_count_ to add_from_relobj.
2722
4c94d6ae
ILT		 2723 * testsuite/Makefile.am (many_sections_check.h): Only check one in
2724 every thousand variables.
2725 * testsuite/Makefile.in: Rebuild.
2726
d491d34e
ILT		 2727 * object.cc (Xindex::initialize_symtab_xindex): New function.
2728 (Xindex::read_symtab_xindex): New function.
2729 (Xindex::sym_xindex_to_shndx): New function.
2730 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
2731 available.
2732 (Sized_relobj::do_initialize_xindex): New function.
2733 (Sized_relobj::do_read_symbols): Adjust section links.
2734 (Sized_relobj::symbol_section_and_value): Add is_ordinary
2735 parameter. Change all callers.
2736 (Sized_relobj::include_section_group): Adjust section links and
2737 symbol section indexes.
2738 (Sized_relobj::do_layout): Adjust section links.
2739 (Sized_relobj::do_count_local_symbols): Adjust section links and
2740 symbol section indexes.
2741 (Sized_relobj::do_finalize_local_symbols): Distinguish between
2742 ordinary and special symbols.
2743 (Sized_relobj::write_local_symbols): Add symtab_xindex and
2744 dynsym_xindex parameters. Change all callers. Adjust section
2745 links. Use SHN_XINDEX when needed.
2746 (Sized_relobj::get_symbol_location_info): Adjust section links.
2747 Don't get fooled by special symbols.
2748 * object.h (class Xindex): Define.
2749 (class Object): Add xindex_ parameter. Declare virtual functoin
2750 do_initialize_xindex.
2751 (Object::adjust_sym_shndx): New function.
2752 (Object::set_xindex): New protected function.
2753 (class Symbol_value): Add is_ordinary_shndx_ field.
2754 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
2755 (Symbol_value::value): Assert ordinary section.
2756 (Symbol_value::initialize_input_to_output_map): Likewise.
2757 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
2758 Change all callers.
2759 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
2760 all callers.
2761 (class Sized_relobj): Update declarations.
2762 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
2763 parameter. Change all callers.
2764 (Sized_relobj::adjust_shndx): New function.
2765 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
2766 field.
2767 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
2768 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
2769 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
2770 (Sized_dynobj::read_dynsym_section): Adjust section links.
2771 (Sized_dynobj::read_dynamic): Likewise.
2772 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
2773 section links.
2774 (Sized_dynobj::do_initialize_xindex): New function.
2775 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
2776 do_initialize_xindex.
2777 (Sized_dynobj::adjust_shndx): New function.
2778 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
2779 dynsym_xindex_ fields.
2780 (Layout::finalize): Add a call to set_section_indexes before
2781 creating the symtab sections.
2782 (Layout::set_section_indexes): Don't do anything if the section
2783 already has a section index.
2784 (Layout::create_symtab_sections): Add shnum parameter. Change
2785 caller. Create .symtab_shndx section if needed.
2786 (Layout::create_shdrs): Add shstrtab_section parameter. Change
2787 caller.
2788 (Layout::allocated_output_section_count): New function.
2789 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
2790 needed.
2791 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
2792 fields. Update declarations.
2793 (Layout::symtab_xindex): New function.
2794 (Layout::dynsym_xindex): New function.
2795 (class Write_symbols_task): Add layout_ field.
2796 (Write_symbols_task::Write_symbols_task): Add layout parameter.
2797 Change caller.
2798 * output.cc (Output_section_headers::Output_section_headers): Add
2799 shstrtab_section parameter. Change all callers.
2800 (Output_section_headers::do_sized_write): Store overflow values
2801 for section count and section string table section index in
2802 section header zero.
2803 (Output_file_header::do_sized_write): Check for overflow of
2804 section count and section string table section index.
2805 (Output_symtab_xindex::do_write): New function.
2806 (Output_symtab_xindex::endian_do_write): New function.
2807 * output.h (class Output_section_headers): Add shstrtab_section_.
2808 Update declarations.
2809 (class Output_symtab_xindex): Define.
2810 (Output_section::has_out_shndx): New function.
2811 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
2812 field.
2813 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
2814 Change all callers.
2815 (Sized_symbol::init): Likewise.
2816 (Symbol::output_section): Check for ordinary symbol.
2817 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
2818 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
2819 callers.
2820 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
2821 Change all callers. Simplify handling of symbols from sections
2822 not included in the link.
2823 (Symbol_table::add_from_dynobj): Handle ordinary symbol
2824 distinction.
2825 (Weak_alias_sorter::operator()): Assert that symbols are
2826 ordinary.
2827 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
2828 distinction.
2829 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
2830 parameters. Change all callers.
2831 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
2832 symbol distinction. Use SHN_XINDEX when needed.
2833 (Symbol_table::write_section_symbol): Add symtab_xindex
2834 parameter. Change all callers.
2835 (Symbol_table::sized_write_section_symbol): Likewise. Use
2836 SHN_XINDEX when needed.
2837 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
2838 declarations.
2839 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
2840 (Symbol::is_defined): Check is_ordinary.
2841 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
2842 (Symbol::is_absolute, Symbol::is_common): Likewise.
2843 (class Sized_symbol): Update declarations.
2844 (class Symbol_table): Update declarations.
2845 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
2846 parameters. Change all callers.
2847 (Sized_symbol::override): Likewise.
2848 (Symbol_table::override): Likewise.
2849 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
2850 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
2851 is_ordinary, and orig_st_shndx parameters. Change all callers.
2852 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
2853 to be in an ordinary section.
2854 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
2855 object and is_ordinary parameters. Change all callers.
2856 (Sized_dwarf_line_info::read_relocs): Add object parameter.
2857 Change all callers. Don't add undefined or non-ordinary symbols
2858 to reloc_map_.
2859 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
2860 Change all callers.
2861 * dwarf_reader.h (class Sized_dwarf_line_info): Update
2862 declarations.
2863 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
2864 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
2865 (Sized_relobj::relocate_sections): Likewise.
2866 * target-reloc.h (scan_relocs): Adjust section symbol index.
2867 (scan_relocatable_relocs): Likewise.
2868 * i386.cc (Scan::local): Check for ordinary symbols.
2869 * sparc.cc (Scan::local): Likewise.
2870 * x86_64.cc (Scan::local): Likewise.
2871 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
2872 to symbol_section_and_value.
2873 * testsuite/many_sections_test.cc: New file.
2874 * testsuite/Makefile.am (BUILT_SOURCES): Define.
2875 (check_PROGRAMS): Add many_sections_test.
2876 (many_sections_test_SOURCES): Define.
2877 (many_sections_test_DEPENDENCIES): Define.
2878 (many_sections_test_LDFLAGS): Define.
2879 (BUILT_SOURCES): Add many_sections_define.h.
2880 (many_sections_define.h): New target.
2881 (BUILT_SOURCES): Add many_sections_check.h.
2882 (many_sections_check.h): New target.
2883 (check_PROGRAMS): Add many_sections_r_test.
2884 (many_sections_r_test_SOURCES): Define.
2885 (many_sections_r_test_DEPENDENCIES): Define.
2886 (many_sections_r_test_LDFLAGS): Define.
2887 (many_sections_r_test_LDADD): Define.
2888 (many_sections_r_test.o): New target.
2889 * testsuite/Makefile.in: Rebuild.
2890
c5818ff1
CC		 28912008-04-17 Cary Coutant <ccoutant@google.com>
2892
2893 * errors.cc (Errors::info): New function.
2894 (gold_info): New function.
2895 * errors.h (Errors::info): New function.
2896 * gold.h (gold_info): New function.
2897 * object.cc (Input_objects::add_object): Print trace output.
2898 * options.cc (options::parse_set): New function.
2899 (General_options::parse_wrap): Deleted.
2900 (General_options::General_options): Deleted initializer.
2901 * options.h (options::String_set): New typedef.
2902 (options::parse_set): New function.
2903 (DEFINE_set): New macro.
2904 (General_options::wrap): Changed to use DEFINE_set. Changed
2905 callers of any_wrap_symbols and is_wrap_symbol.
2906 (General_options::trace, General_options::trace_symbol):
2907 New options.
2908 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
2909 (General_options::wrap_symbols_): Deleted.
2910 * symtab.cc (Symbol_table::add_from_object): Print trace output.
2911
b5be4a7c
DM		 29122008-04-17 David S. Miller <davem@davemloft.net>
2913
2914 * options.cc (General_options::parse_V): New function.
2915 * options.h: Add entries for -V and -Qy.
2916
155a0dd7
ILT		 29172008-04-17 Ian Lance Taylor <iant@google.com>
2918
2919 * common.cc (Symbol_table::allocate_commons): Remove options
2920 parameter. Change caller.
2921 (Symbol_table::do_allocate_commons): Remove options parameter.
2922 Change caller. Just call do_allocate_commons_list twice.
2923 (Symbol_table::do_allocate_commons_list): New function, broken out
2924 of do_allocate_commons.
2925 * common.h (class Allocate_commons_task): Remove options_ field.
2926 Update constructor.
2927 * symtab.cc (Symbol_table::Symbol_table): Initialize
2928 tls_commons_.
2929 (Symbol_table::add_from_object): Put TLS common symbols on
2930 tls_commons_ list.
2931 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
2932 which are IN_OUTPUT_DATA.
2933 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
2934 allocate_commons and do_allocate_commons declarations. Declare
2935 do_allocate_commons_list.
2936 * gold.cc (queue_middle_tasks): Update creation of
2937 Allocate_commons_task to not pass options.
2938 * testsuite/Makefile.am (INCLUDES): Add -I.. .
2939 (TLS_TEST_C_FLAGS): New variable.
2940 (tls_test_c_pic.o): New target.
2941 (tls_test_shared.so): Link in tls_test_c_pic.o.
2942 (tls_test_c_pic_ie.o): New target.
2943 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
2944 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
2945 (tls_test_c.o): New target.
2946 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
2947 (tls_pic_test_LDADD): Likewise.
2948 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
2949 (tls_shared_gd_to_ie_test_LDADD): Likewise.
2950 (tls_test_c_gnu2.o): New target.
2951 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
2952 tls_test_c_gnu2.o.
2953 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
2954 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
2955 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
2956 * testsuite/tls_test.cc: Include "config.h".
2957 (t_last): Call t11_last.
2958 * testsuite/tls_test.h (t11, t11_last): Declare.
2959 * testsuite/tls_test_c.c: New file.
2960 * testsuite/tls_test_main.cc (thread_routine): Call t11.
2961 * configure.ac: Check for OpenMP support.
2962 * configure, config.in, Makefile.in: Rebuild.
2963 * testsuite/Makefile.in: Rebuild.
2964
edfbb029
CC		 29652008-04-16 Cary Coutant <ccoutant@google.com>
2966
2967 * i386.cc (Target_i386::define_tls_base_symbol): New function.
2968 (Target_i386::tls_base_symbol_defined_): New field.
2969 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2970 (Target_i386::Scan::global): Likewise.
2971 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
2972 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
2973 (Target_x86_64::tls_base_symbol_defined_): New field.
2974 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2975 (Target_x86_64::Scan::global): Likewise.
2976
f3c69fca
CC		 29772008-04-16 Cary Coutant <ccoutant@google.com>
2978
2979 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
2980 (Symbol::needs_plt_entry): Allow weak undefined symbols.
2981 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
2982 building shared libraries.
2983 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
2984 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
2985 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
2986 * testsuite/Makefile.in: Rebuild.
2987 * testsuite/weak_undef.h: New file.
2988 * testsuite/weak_undef_file1.cc: Add extra test cases.
2989 * testsuite/weak_undef_file2.cc: Likewise.
2990 * testsuite/weak_undef_test.cc: Likewise.
2991
7c414435
DM		 29922008-04-16 David S. Miller <davem@davemloft.net>
2993
32b769e1
DM		 2994 * sparc.cc (Target_sparc::Scan): Change from struct to class.
2995 Add issued_non_pic_error_ field. Declare check_non_pic.
2996 (Target_sparc::Scan::check_non_pic): New function.
2997 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
2998 (Target_sparc::Scan::global): Likewise.
2999
11936fb1
DM		 3000 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3001 * configure: Rebuild.
3002
7c414435
DM		 3003 * options.h (DEFINE_enable): New macro.
3004 (new_dtags): New enable option.
3005 (initfirst, interpose, loadfltr, nodefaultlib,
3006 nodelete, nodlopen, nodump): New -z options.
3007 * layout.cc (Layout:finish_dynamic_section): If new
3008 dtags enabled, emit DT_RUNPATH. Also, emit a
3009 DT_FLAGS_1 containing any specified -z flags.
3010
85c7bf8b
ILT		 30112008-04-16 Ian Lance Taylor <iant@google.com>
3012
12c0daef
ILT		 3013 * copy-relocs.cc: New file.
3014 * copy-relocs.h: New file.
3015 * reloc.cc: Remove Copy_relocs code.
3016 * reloc.h: Likewise.
3017 * reloc-types.h (struct Reloc_types) [both versions]: Add
3018 get_reloc_addend_noerror.
3019 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
3020 variants of add_global which take an addend which must be zero.
3021 * i386.cc: Include "copy-relocs.h".
3022 (class Target_i386): Change type of copy_relocs_ to variable,
3023 update initializer.
3024 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
3025 Change all callers.
3026 (Target_i386::do_finalize_sections): Change handling of
3027 copy_relocs_.
3028 * sparc.cc: Include "copy-relocs.h".
3029 (class Target_sparc): Change type of copy_relocs_ to variable,
3030 update initializer.
3031 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
3032 Change all callers.
3033 (Target_sparc::do_finalize_sections): Change handling of
3034 copy_relocs_.
3035 * x86_64.cc: Include "copy-relocs.h".
3036 (class Target_x86_64): Change type of copy_relocs_ to variable,
3037 update initializer.
3038 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
3039 class. Change all callers.
3040 (Target_x86_64::do_finalize_sections): Change handling of
3041 copy_relocs_.
3042 * Makefile.am (CCFILES): Add copy-relocs.cc.
3043 (HFILES): Add copy-relocs.h.
3044
4f4995b6
ILT		 3045 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3046
85c7bf8b
ILT		 3047 * testsuite/script_test_4.sh: Permit leading zeroes.
3048
4f2a9edd
ILT		 30492008-04-15 Ian Lance Taylor <iant@google.com>
3050
e6188289
ILT		 3051 * script-sections.cc (Script_sections::create_segments): Use
3052 header_size_adjustment even when there is enough room for the
3053 headers.
3054 * testsuite/script_test_4.sh: New file.
3055 * testsuite/script_test_4.t: New file.
3056 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
3057 (check_DATA): Add script_test_4.stdout.
3058 (MOSTLYCLEANFILES): Likewise.
3059 (script_test_4): New target.
3060 (script_test_4.stdout): New target.
3061 * testsuite/Makefile.in: Rebuild.
3062
4f2a9edd
ILT		 3063 * sparc.cc: Add definitions for Output_data_plt_sparc class
3064 constants.
3065
f5314dd5
DM		 30662008-04-14 David S. Miller <davem@davemloft.net>
3067
3068 * sparc.cc: New file.
3069 * Makefile.am (TARGETSOURCES): Add sparc.cc
3070 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
3071 * configure.tgt: Document targ_extra_size and
3072 targ_extra_big_endian. Add entries for sparc-* and
3073 sparc64-*.
3074 * configure.ac: Handle targ_extra_size and
3075 targ_extra_big_endian.
3076 * Makefile.in: Rebuild.
3077 * configure: Likewise.
3078 * po/POTFILES.in: Likewise.
3079 * po/gold.pot: Likewise.
3080
154e0e9a
ILT		 30812008-04-14 Ian Lance Taylor <iant@google.com>
3082
3083 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
3084 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
3085 in the name/type/flags to section mapping. Don't call
3086 allocate_output_section.
3087 (Layout::choose_output_section): Change parameter from adjust_name
3088 to is_input_section. Don't permit input sections after sections
3089 are attached to segments. Don't call allocate_output_section.
3090 (Layout::layout_eh_frame): Call update_flags_for_input_section,
3091 not write_enable_output_section.
3092 (Layout::make_output_section): Don't push to
3093 unattached_section_list_ nor call attach_to_segment. Call
3094 attach_section_to_segment if sections are attached.
3095 (Layout::attach_sections_to_segments): New function.
3096 (Layout::attach_section_to_segment): New function.
3097 (Layout::attach_allocated_section_to_segment): Rename from
3098 attach_to_segment. Remove flags parameter.
3099 (Layout::allocate_output_section): Remove function.
3100 (Layout::write_enable_output_section): Remove function.
3101 * layout.h (class Layout): Update for above changes. Add new
3102 field sections_are_attached_.
3103 * output.h (Output_section::update_flags_for_input_section): New
3104 function.
3105 * output.cc (Output_section::add_input_section): Call
3106 update_flags_for_input_section.
3107 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
3108
009a67a2
CC		 31092008-04-11 Cary Coutant <ccoutant@google.com>
3110
3111 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
3112 thought unnecessary.
3113 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
3114
759b1a24
ILT		 31152008-04-11 Ian Lance Taylor <iant@google.com>
3116
3117 * output.h (class Output_section_data): Remove inline definition
3118 of set_addralign.
3119 * output.cc (Output_section_data::set_addralign): New function.
3120
c2b45e22
CC		 31212008-04-11 Cary Coutant <ccoutant@google.com>
3122
3123 Add support for TLS descriptors for i386 and x86_64.
3124 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
3125 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
3126 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
3127 GOT_TYPE_TLS_DESC.
3128 (Target_i386::got_mod_index_entry): Remove unnecessary code.
3129 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
3130 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
3131 relocations.
3132 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
3133 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
3134 Fix problem with initial-exec relocations.
3135 (Target_i386::Relocate::relocate_tls): Likewise.
3136 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
3137 relaxation.
3138 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
3139 support for section-plus-offset dynamic table entries.
3140 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
3141 (Output_data_dynamic::Dynamic_entry): Add support for
3142 section-plus-offset dynamic table entries.
3143 (Output_data_dynamic::Classification): Likewise.
3144 (Output_data_dynamic::classification_): Renamed offset_.
3145 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
3146 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
3147 (Target_x86_64::make_plt_section): New function.
3148 (Target_x86_64::reserve_tlsdesc_entries): New function.
3149 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
3150 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
3151 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
3152 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
3153 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
3154 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
3155 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
3156 add extra PLT entry for TLS descriptors.
3157 (Output_data_plt_x86_64::got_): New field.
3158 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
3159 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
3160 fields.
3161 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
3162 descriptors.
3163 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
3164 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
3165 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
3166 R_386_TLS_DESC_CALL relocations.
3167 (Target_x86_64::Scan::global): Likewise.
3168 (Target_x86_64::do_finalize_sections): Add dynamic table entries
3169 for TLS descriptors.
3170 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
3171 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
3172 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
3173 GD-to-IE relaxation.
3174 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
3175 and TLS_DESCRIPTORS.
3176 * Makefile.in: Rebuild.
3177 * configure: Rebuild.
3178 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
3179 (tls_test_shared2.so): New target.
3180 (tls_shared_gd_to_ie_test_SOURCES): New variable.
3181 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
3182 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
3183 (tls_shared_gd_to_ie_test_LDADD): New variable.
3184 (tls_shared_gnu2_gd_to_ie_test): New target.
3185 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
3186 New targets.
3187 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
3188 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
3189 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
3190 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
3191 (tls_shared_gnu2_test): New target.
3192 (tls_test_gnu2_shared.so): New target.
3193 (tls_shared_gnu2_test_SOURCES): New variable.
3194 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
3195 (tls_shared_gnu2_test_LDFLAGS): New variable.
3196 (tls_shared_gnu2_test_LDADD): New variable.
3197 * testsuite/Makefile.in: Rebuild.
3198 * testsuite/Makefile.
3199
83bfb6b7
ILT		 32002008-04-11 Ian Lance Taylor <iant@google.com>
3201
3202 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
3203 justsyms.t.
3204 * testsuite/Makefile.in: Rebuild.
3205
3206 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
3207 long.
3208 * testsuite/script_test_2.cc (main): Adjust test.
3209
706e1f5e
ILT		 32102008-04-11 David S. Miller <davem@davemloft.net>
3211 Ian Lance Taylor <iant@google.com>
3212
3213 * options.h (General_options): Add entries for '-Y' and
3214 '-relax'.
3215 * options.cc (General_options:finalize): If -Y was used, add those
3216 entries to the library path instead of the default "/lib" and
3217 "/usr/lib".
3218
7c98e6bb
DM		 32192008-04-11 David S. Miller <davem@davemloft.net>
3220
3221 * testsuite/justsyms.t: Start at 0x100.
3222 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 3223 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
3224 long.
3225 * testsuite/script_test_2.cc: Adjust string and section length
3226 checks.
7c98e6bb 3227
99a37bfd
ILT		 32282008-04-09 Ian Lance Taylor <iant@google.com>
3229
2cefc357
ILT		 3230 PR gold/5996
3231 * script-sections.cc (Sections_element::allocate_to_segment): Add
3232 orphan parameter.
3233 (Output_section_definition::allocate_to_segment): Likewise.
3234 (Orphan_output_section::allocate_to_segment): Likewise.
3235 (Script_sections::attach_sections_using_phdrs_clause): Don't
3236 propagate non-PT_LOAD segments to orphan sections.
3237 * testsuite/Makefile.am (script_test_3.stdout): Generate using
3238 readelf rather than objdump.
3239 * testsuite/script_test_3.sh: Adjust accordingly. Test that
3240 .interp section and PT_INTERP segment are the same size.
3241 * testsuite/Makefile.in: Rebuild.
3242
99a37bfd
ILT		 3243 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
3244 aliases for symbols defined in the same object.
3245 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
3246 (weak_alias_test_SOURCES): New variable.
3247 (weak_alias_test_DEPENDENCIES): New variable.
3248 (weak_alias_test_LDFLAGS): New variable.
3249 (weak_alias_test_LDADD): New variable.
3250 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
3251 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
3252 (weak_alias_test_3.o): New target.
3253 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
3254 * testsuite/weak_alias_test_main.cc: New file.
3255 * testsuite/weak_alias_test_1.cc: New file.
3256 * testsuite/weak_alias_test_2.cc: New file.
3257 * testsuite/weak_alias_test_3.cc: New file.
3258
780e49c5
ILT		 32592008-04-08 Ian Lance Taylor <iant@google.com>
3260
cdb0b8f5
ILT		 3261 * options.h (class General_options): Add --noinhibit-exec option.
3262 * main.cc (main): Check --noinhibit-exec.
3263
0864d551
ILT		 3264 * options.h (class General_options): Define --wrap as a special
3265 option. Add wrap_symbols_ field.
3266 (General_options::any_wrap_symbols): New function.
3267 (General_options::is_wrap_symbol): New function.
3268 * options.cc (General_options::parse_wrap): New function.
3269 (General_options::General_options): Initialize wrap_symbols_.
3270 * symtab.cc (Symbol_table::wrap_symbol): New function.
3271 (Symbol_table::add_from_object): Handle --wrap.
3272 * symtab.h (class Symbol_table): Declare wrap_symbol.
3273 * target.h (Target::wrap_char): New function.
3274 (Target::Target_info): Add wrap_char field.
3275 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
3276 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3277 * testsuite/testfile.cc (Target_test::test_target_info):
3278 Likewise.
3279
789aa6de
ILT		 3280 * errors.cc (Errors::undefined_symbol): Mention symbol version if
3281 there is one.
3282
2c38906f
ILT		 3283 * layout.h (class Layout): Add added_eh_frame_data_ field.
3284 * layout.cc (Layout::Layout): Initialize new field.
3285 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
3286 output section until we find a section we merged successfully.
3287 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
3288 that the size be non-zero.
3289
780e49c5
ILT		 3290 * merge.cc (Object_merge_map::get_output_offset): Remove inline
3291 qualifier.
3292
7fcd0256
ILT		 32932008-04-08 Craig Silverstein <csilvers@google.com>
3294
3295 * configure.ac: Export new conditional variable HAVE_ZLIB.
3296 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
3297 on HAVE_ZLIB.
3298 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
3299 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3300
6835af53
ILT		 33012008-04-07 Ian Lance Taylor <iant@google.com>
3302
e24f324c
ILT		 3303 * version.cc (version_string): Set to "1.5".
3304
a036edd8
ILT		 3305 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
3306 Add issued_non_pic_error_ field. Declare check_non_pic.
3307 (Target_x86_64::Scan::check_non_pic): New function.
3308 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
3309 (Target_x86_64::Scan::global): Likewise.
3310
624f8810
ILT		 3311 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
3312 addend parameter. Change caller. Handle merge sections.
3313 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
3314 Address to Addend. Don't add in the result of
3315 local_section_offset, pass down the addend and use the returned
3316 value.
3317 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
3318 Update declarations of local_section_offset and symbol_value.
3319 * testsuite/two_file_test_1.cc (t18): New function.
3320 * testsuite/two_file_test_2.cc (f18): New function.
3321 * testsuite/two_file_test_main.cc (main): Call t18.
3322 * testsuite/two_file_test.h (t18, f18): Declare.
3323
6835af53
ILT		 3324 * configure.ac: Don't test for objdump, c++filt, or readelf.
3325 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
3326 conditionals.
3327 (TEST_READELF): New variable.
3328 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
3329 (check_PROGRAMS): Add two_file_strip_test.
3330 (two_file_strip_test): New target.
3331 (check_PROGRAMS): Add two_file_same_shared_strip_test.
3332 (two_file_same_shared_strip_test_SOURCES): New variable.
3333 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
3334 (two_file_same_shared_strip_test_LDFLAGS): New variable.
3335 (two_file_same_shared_strip_test_LDADD): New variable.
3336 (two_file_shared_strip.so): New target.
3337 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
3338 (ver_test_5.syms, ver_test_7.syms): Likewise.
3339 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
3340 (strip_test_3.stdout): Use TEST_OBJDUMP.
3341 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3342
86925eef
CC		 33432008-04-04 Cary Coutant <ccoutant@google.com>
3344
3345 * symtab.h (Symbol::is_weak_undefined): New function.
3346 (Symbol::is_strong_undefined): New function.
3347 (Symbol::is_absolute): New function.
3348 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
3349 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
3350 absolute symbols.
3351 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
3352 (weak_undef_test): New target.
3353 * testsuite/Makefile.in: Rebuild.
3354 * testsuite/weak_undef_file1.cc: New file.
3355 * testsuite/weak_undef_file2.cc: New file.
3356 * testsuite/weak_undef_test.cc: New file.
3357
126f3ece
ILT		 33582008-04-03 Craig Silverstein <csilvers@google.com>
3359
3360 * compressed_output.h (class Output_compressed_section): Use
3361 unsigned buffer.
3362 * compressed_output.cc (zlib_compress): Use unsigned buffers,
3363 add zlib header.
3364 (zlib_compressed_suffix): Removed.
3365 (Output_compressed_section::set_final_data_size): Use unsigned
3366 buffers.
3367 * testsuite/Makefile.am (flagstest_compress_debug_sections):
3368 Fix linker invocation.
3369 (flagstest_o_specialfile_and_compress_debug_sections):
3370 Likewise.
3371 * testsuite/Makefile.in: Regenerated.
3372
deae2a14
DM		 33732008-04-02 David S. Miller <davem@davemloft.net>
3374
3375 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
3376 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
3377
70752818
ILT		 33782008-04-02 Craig Silverstein <csilvers@google.com>
3379
3380 * TODO: New file.
3381
39d0cb0e
ILT		 33822008-04-02 Ian Lance Taylor <iant@google.com>
3383
3384 * fileread.cc (File_read::find_view): Add byteshift and vshifted
3385 parameters. Update for new key type to views_. Change all
3386 callers.
3387 (File_read::read): Adjust for byteshift in returned view.
3388 (File_read::add_view): New function, broken out of
3389 find_and_make_view.
3390 (File_read::make_view): New function, broken out of
3391 find_and_make_view.
3392 (File_read::find_or_make_view): Add offset and aligned
3393 parameters. Rewrite accordingly. Change all callers.
3394 (File_read::get_view): Add offset and aligned parameters. Adjust
3395 for byteshift in return value.
3396 (File_read::get_lasting_view): Likewise.
3397 * fileread.h (class File_read): Update declarations.
3398 (class File_read::View): Add byteshift_ field. Add byteshift to
3399 constructor. Add byteshift method.
3400 * archive.h (Archive::clear_uncached_views): New function.
3401 (Archive::get_view): Add aligned parameter. Change all callers.
3402 * object.h (Object::get_view): Add aligned parameter. Change all
3403 callers.
3404 (Object::get_lasting_view): Likewise.
3405
3406 * fileread.cc (File_read::release): Don't call clear_views if
3407 there are multiple objects.
3408 * fileread.h (File_read::clear_uncached_views): New function.
3409 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
3410 on the archive.
3411
a1207466
CC		 34122008-03-31 Cary Coutant <ccoutant@google.com>
3413
3414 Add thin archive support.
3415 * archive.cc (Archive::armagt): New const.
3416 (Archive::setup): Remove task parameter and calls to unlock.
3417 (Archive::unlock_nested_archives): New function.
3418 (Archive::read_header): Add nested_off parameter. Change
3419 all callers.
3420 (Archive::interpret_header): Likewise.
3421 (Archive::include_all_members): Change to handle thin
3422 archives.
3423 (Archive::include_member): Likewise.
3424 * archive.h (Archive::Archive): Add new parameters and
3425 initializers.
3426 (Archive::armagt): New const.
3427 (Archive::setup): Remove task parameter.
3428 (Archive::unlock_nested_archives): New function.
3429 (Archive::read_header): Add nested_off parameter.
3430 (Archive::interpret_header): Likewise.
3431 (Archive::Nested_archive_table): New typedef.
3432 (Archive::is_thin_archive_): New field.
3433 (Archive::nested_archives_): New field.
3434 (Archive::options_): New field.
3435 (Archive::dirpath_): New field.
3436 (Archive::task_): New field.
3437 * readsyms.cc (Read_symbols::do_read_symbols): Add check
3438 for thin archives. Pass additional parameters to
3439 Archive::Archive. Unlock the archive file after calling
3440 Archive::setup.
cd536b21 3441
479f6503
ILT		 34422008-03-29 Ian Lance Taylor <iant@google.com>
3443
686c8caf
ILT		 3444 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
3445 version symbol to be local.
3446 * testsuite/ver_test_4.sh: New file.
3447 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
3448 (check_DATA): Add ver_test_4.syms.
3449 (ver_test_4.syms): New target.
3450 * testsuite/Makefile.in: Rebuild.
3451
ab794b6b
ILT		 3452 * output.cc
3453 (Output_section::Input_section_sort_entry::has_priority): New
3454 function.
3455 (Output_section::Input_section_sort_entry::match_file_name): New
3456 function.
3457 (Output_section::Input_section_sort_entry::match_section_name):
3458 Remove.
3459 (Output_section::Input_section_sort_entry::match_section_name_prefix):
3460 Remove.
3461 (Output_section::Input_section_sort_entry::match_section_file):
3462 Remove.
3463 (Output_section::Input_section_sort_compare::operator()): Rewrite
3464 using new Input_section_sort_entry functions. Sort crtbegin and
3465 crtend first. Sort sections with no priority before sections with
3466 a priority.
3467 * testsuite/initpri1.c (d3): Check j != 4.
3468 (cd5): New constructor/destructor function.
3469 (main): Check j != 2.
3470
479f6503
ILT		 3471 * symtab.cc (Symbol_table::add_from_object): If we don't use the
3472 new symbol when resolving, don't call set_is_default.
3473 * testsuite/ver_test_7.cc: New file.
3474 * testsuite/ver_test_7.sh: New file.
3475 * testsuite/Makefile.am (ver_test_7.so): New target.
3476 (ver_test_7.o): New target.
3477 (check_SCRIPTS): Add ver_test_7.sh.
3478 (check_DATA): Add ver_test_7.syms.
3479 (ver_test_7.syms): New target.
3480
2fd32231
ILT		 34812008-03-28 Ian Lance Taylor <iant@google.com>
3482
3483 * layout.cc (Layout::layout): If we see an input section with a
3484 name that needs sorting, set the must_sort flag for the output
3485 section.
3486 (Layout::make_output_section): If the name of the output section
3487 indicates that it might require sorting, set the may_sort flag.
3488 * output.h (Output_section::may_sort_attached_input_sections): New
3489 function.
3490 (Output_section::set_may_sort_attached_input_sections): New
3491 function.
3492 (Output_section::must_sort_attached_input_sections): New
3493 function.
3494 (Output_section::set_must_sort_attached_input_sections): New
3495 function.
3496 (class Output_section): Declare Input_section_sort_entry. Define
3497 Input_section_sort_compare. Declare
3498 sort_attached_input_sections. Add new fields:
3499 may_sort_attached_input_sections_,
3500 must_sort_attached_input_sections_,
3501 attached_input_sections_are_sorted_.
3502 * output.cc (Output_section::Output_section): Initialize new
3503 fields.
3504 (Output_section::add_input_section): Add an entry to
3505 input_sections_ if may_sort or must_sort are true.
3506 (Output_section::set_final_data_size): Call
3507 sort_attached_input_sections if necessary.
3508 (Output_section::Input_section_sort_entry): Define new class.
3509 (Output_section::Input_section_sort_compare::operator()): New
3510 function.
3511 (Output_section::sort_attached_input_sections): New function.
3512 * configure.ac: Check whether the compiler supports constructor
3513 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
3514 * testsuite/initpri1.c: New file.
3515 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
3516 CONSTRUCTOR_PRIORITY.
3517 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
3518 (initpri1_LDFLAGS): New variable.
3519 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3520
18e6b24e
ILT		 35212008-03-27 Ian Lance Taylor <iant@google.com>
3522
49bdd526
ILT		 3523 * common.cc (Sort_commons::operator): Correct sorting algorithm.
3524 * testsuite/common_test_1.c: New file.
3525 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
3526 (common_test_1_SOURCES): New variable.
3527 (common_test_1_DEPENDENCIES): New variable.
3528 (common_test_1_LDFLAGS): New variable.
3529
18e6b24e
ILT		 3530 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
3531 and commons_ correctly when NAME/VERSION does not override
3532 NAME/NULL.
3533 * testsuite/ver_test_6.c: New file.
3534 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
3535 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
3536 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
3537
04bf7072
ILT		 35382008-03-26 Ian Lance Taylor <iant@google.com>
3539
5871526f
ILT		 3540 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
3541 of an undefined symbol from a version script.
3542 * testsuite/Makefile.am (ver_test_5.so): New target.
3543 (ver_test_5.o): New target.
3544 (check_SCRIPTS): Add ver_test_5.sh.
3545 (check_DATA): Add ver_test_5.syms.
3546 (ver_test_5.syms): New target.
3547 * testsuite/ver_test_5.cc: New file.
3548 * testsuite/ver_test_5.script: New file.
3549 * testsuite/ver_test_5.sh: New file.
3550 * Makefile.in, testsuite/Makefile.in: Rebuild.
3551
04bf7072
ILT		 3552 PR gold/5986
3553 Fix problems building gold with gcc 4.3.0.
3554 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
3555 (gold_error_at_location, gold_warning_at_location): Use it.
3556 * configure.ac: Check whether we can compile and use a template
3557 function with a printf attribute.
3558 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
3559 when jumping over bytes.
3560 * object.cc: Instantiate Object::read_section_data.
3561 * debug.h: Include <cstring>
3562 * dwarf_reader.cc: Include <algorithm>
3563 * main.cc: Include <cstring>.
3564 * options.cc: Include <cstring>.
3565 * output.cc: Include <cstring>.
3566 * script.cc: Include <cstring>.
3567 * script.h: Include <string>.
3568 * symtab.cc: Include <cstring> and <algorithm>.
3569 * target-select.cc: Include <cstring>.
3570 * version.cc: Include <string>.
3571 * testsuite/testmain.cc: Include <cstdlib>.
3572 * configure, config.in: Rebuild.
3573
874c5b28
ILT		 35742008-03-25 Ian Lance Taylor <iant@google.com>
3575
819d6c3a
ILT		 3576 * options.cc: Include "../bfd/bfdver.h".
3577 (options::help): Print bug reporting address.
3578
f4b2c6f5
ILT		 3579 * version.cc (print_version): Adjust output for current value of
3580 BFD_VERSION_STRING.
3581
3582 * NEWS: New file.
3583
e96caa79
ILT		 3584 * options.cc (options::help): Print list of supported targets.
3585 * target-select.h: Include <vector>.
3586 (class Target_selector): Make machine_, size_, and is_big_endian_
3587 fields const. Add bfd_name_ and instantiated_target_ fields.
3588 (Target_selector::Target_selector): Add bfd_name parameter.
3589 (Target_selector::recognize): Make non-virtual, call
3590 do_recognize.
3591 (Target_selector::recognize_by_name): Make non-virtual, call
3592 do_recognize_by_name.
3593 (Target_selector::supported_names): New function.
3594 (Target_selector::bfd_name): New function.
3595 (Target_selector::do_instantiate_target): New pure virtual
3596 function.
3597 (Target_selector::do_recognize): New virtual function.
3598 (Target_selector::do_recognize_by_name): New virtual function.
3599 (Target_selector::instantiate_target): New private function.
3600 (supported_target_names): Declare.
3601 * target-select.cc (Target_selector::Target_selector): Update for
3602 new parameter and fields.
3603 (select_target_by_name): Check that the name matches before
3604 calling recognize_by_name.
3605 (supported_target_names): New function.
3606 * i386.cc (class Target_selector_i386): Update Target_selector
3607 constructor call. Remove recognize and recognize_by_name. Add
3608 do_instantiate_target.
3609 * x86_64.cc (class Target_selector_x86_64): Likewise.
3610 * testsuite/testfile.cc (class Target_selector_test): Update for
3611 changes to Target_selector.
3612
874c5b28
ILT		 3613 * README: Rewrite, with some notes on unsupported features.
3614
0a65a3a7
CC		 36152008-03-24 Cary Coutant <ccoutant@google.com>
3616
3617 * i386.cc (Target_i386::Got_type): New enum declaration.
3618 (Target_i386::Scan::local): Updated callers of Output_data_got
3619 member functions.
3620 (Target_i386::Scan::global): Likewise.
3621 (Target_i386::Relocate::relocate): Likewise.
3622 (Target_i386::Relocate::relocate_tls): Likewise.
3623 * object.h (Got_offset_list): New class.
3624 (Sized_relobj::local_has_got_offset): Added got_type parameter.
3625 (Sized_relobj::local_got_offset): Likewise.
3626 (Sized_relobj::set_local_got_offset): Likewise.
3627 (Sized_relobj::local_has_tls_got_offset): Removed.
3628 (Sized_relobj::local_tls_got_offset): Removed.
3629 (Sized_relobj::set_local_tls_got_offset): Removed.
3630 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
3631 * output.cc (Output_data_got::add_global): Added got_type parameter.
3632 (Output_data_got::add_global_with_rel): Likewise.
3633 (Output_data_got::add_global_with_rela): Likewise.
3634 (Output_data_got::add_global_pair_with_rel): New function.
3635 (Output_data_got::add_global_pair_with_rela): New function.
3636 (Output_data_got::add_local): Added got_type parameter.
3637 (Output_data_got::add_local_with_rel): Likewise.
3638 (Output_data_got::add_local_with_rela): Likewise.
3639 (Output_data_got::add_local_pair_with_rel): New function.
3640 (Output_data_got::add_local_pair_with_rela): New function.
3641 (Output_data_got::add_global_tls): Removed.
3642 (Output_data_got::add_global_tls_with_rel): Removed.
3643 (Output_data_got::add_global_tls_with_rela): Removed.
3644 (Output_data_got::add_local_tls): Removed.
3645 (Output_data_got::add_local_tls_with_rel): Removed.
3646 (Output_data_got::add_local_tls_with_rela): Removed.
3647 * output.h (Output_data_got::add_global): Added got_type parameter.
3648 (Output_data_got::add_global_with_rel): Likewise.
3649 (Output_data_got::add_global_with_rela): Likewise.
3650 (Output_data_got::add_global_pair_with_rel): New function.
3651 (Output_data_got::add_global_pair_with_rela): New function.
3652 (Output_data_got::add_local): Added got_type parameter.
3653 (Output_data_got::add_local_with_rel): Likewise.
3654 (Output_data_got::add_local_with_rela): Likewise.
3655 (Output_data_got::add_local_pair_with_rel): New function.
3656 (Output_data_got::add_local_pair_with_rela): New function.
3657 (Output_data_got::add_global_tls): Removed.
3658 (Output_data_got::add_global_tls_with_rel): Removed.
3659 (Output_data_got::add_global_tls_with_rela): Removed.
3660 (Output_data_got::add_local_tls): Removed.
3661 (Output_data_got::add_local_tls_with_rel): Removed.
3662 (Output_data_got::add_local_tls_with_rela): Removed.
3663 * resolve.cc (Symbol::override_base_with_special): Removed
3664 reference to has_got_offset_ field.
3665 * symtab.cc (Symbol::init_fields): Replaced initialization
3666 of got_offset_ with got_offsets_. Removed initialization
3667 of has_got_offset_
53fcba31 3668 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 3669 (Symbol::got_offset): Likewise.
3670 (Symbol::set_got_offset): Likewise.
3671 (Symbol::has_tls_got_offset): Removed.
3672 (Symbol::tls_got_offset): Removed.
3673 (Symbol::set_tls_got_offset): Removed.
3674 (Symbol::got_offset_): Removed.
3675 (Symbol::tls_mod_got_offset_): Removed.
3676 (Symbol::tls_pair_got_offset_): Removed.
3677 (Symbol::got_offsets_): New field.
3678 (Symbol::has_got_offset): Removed.
3679 (Symbol::has_tls_mod_got_offset): Removed.
3680 (Symbol::has_tls_pair_got_offset): Removed.
3681 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
3682 (Target_x86_64::Scan::local): Updated callers of Output_data_got
3683 member functions.
3684 (Target_x86_64::Scan::global): Likewise.
3685 (Target_x86_64::Relocate::relocate): Likewise.
3686 (Target_x86_64::Relocate::relocate_tls): Likewise.
3687
bd52eafb
BE		 36882008-03-25 Ben Elliston <bje@au.ibm.com>
3689
3690 * yyscript.y: Fix spelling error in comment.
3691
8b105e34
ILT		 36922008-03-24 Ian Lance Taylor <iant@google.com>
3693
8ed814a9
ILT		 3694 * options.h (class General_options): Define build_id option.
3695 * layout.h (class Layout): Declare write_build_id, create_note,
3696 create_build_id. Add build_id_note_ member.
3697 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
3698 "libiberty.h", "md5.h", "sha1.h".
3699 (Layout::Layout): Initialize eh_frame_data_,
3700 eh_frame_hdr_section_, and build_id_note_.
3701 (Layout::finalize): Call create_build_id.
3702 (Layout::create_note): New function, broken out of
3703 Layout::create_gold_note.
3704 (Layout::create_gold_note): Call create_note.
3705 (Layout::create_build_id): New function.
3706 (Layout::write_build_id): New function.
3707 (Close_task_runner::run): Call write_build_id.
3708
8b105e34
ILT		 3709 * x86_64.cc: Correct license to GPLv3.
3710
086a1841
ILT		 37112008-03-23 Ian Lance Taylor <iant@google.com>
3712
3713 * options.cc: Include "demangle.h".
3714 (parse_optional_string): New function.
3715 (parse_long_option): Handle takes_optional_argument.
3716 (parse_short_option): Update dash_z initializer. Handle
3717 takes_optional_argument.
3718 (General_options::General_options): Initialize do_demangle_.
3719 (General_options::finalize): Set do_demangle_. Handle demangling
3720 style.
3721 * options.h (parse_optional_string): Declare.
3722 (struct One_option): Add optional_arg field. Update constructor.
3723 Update call constructor calls. Add takes_optional_argument
3724 function.
3725 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
3726 (DEFINE_optional_string): Define.
3727 (General_options::demangle): Change from DEFINE_bool to
3728 DEFINE_optional_string.
3729 (General_options::no_demangle): New function.
3730 (General_options::do_demangle): New function.
3731 (General_options::set_do_demangle): New function.
3732 (General_options::execstack_status_): Move definition to end of
3733 class definition.
3734 (General_options::static_): Likewise.
3735 (General_options::do_demangle_): New field.
3736 * object.cc (big_endian>::get_symbol_location_info): Call
3737 Options::do_demangle, not Options::demangle.
3738 * symtab.cc (demangle): Likewise.
3739
cbb93e63
ILT		 37402008-03-22 Ian Lance Taylor <iant@google.com>
3741
3742 * gold.h: Include <cstddef> and <sys/types.h>
3743 * options.h: Include <cstring>.
3744
ec531623
ILT		 37452008-03-21 Ian Lance Taylor <iant@google.com>
3746
3747 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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