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PR 10061
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
e55bde5e
ILT		 12009-04-01 Ian Lance Taylor <iant@google.com>
2 Mikolaj Zalewski <mikolajz@google.com>
3
4 * gold.h (reserve_unordered_map): Define, three versions, one for
5 each version of Unordered_map.
6 * layout.cc (Layout::Layout): Remove options parameter. Add
7 number_of_input_files parameter. Don't initialize options_.
8 Initialize number_of_input_files_ and resized_signatures_. Move
9 sections_are_attached_.
10 (Layout::layout_group): Reserve space for group_signatures_.
11 (Layout::find_or_add_kept_section): Change name parameter to be a
12 reference. Resize signatures_ map when it gets large enough.
13 (Layout::layout_eh_frame): Use parameters->options() instead of
14 this->options_.
15 (Layout::make_output_section): Likewise.
16 (Layout::attach_allocated_section_to_segment): Likewise.
17 (Layout::finalize, Layout::create_executable_stack): Likewise.
18 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
19 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
20 * layout.h (class Layout): Update declarations. Remove options_
21 field. Add number_of_input_files_ and resized_signatures_
22 fields. Move sections_are_attached_ field.
23 * main.cc (main): Pass number of input files to Layout
24 constructor. Don't pass options.
25
154b857c
ILT		 262009-03-30 Ian Lance Taylor <iant@google.com>
27
28 * ffsll.c (ffsll): Correct implementation.
29
2f35ab9b
ILT		 302009-03-27 Ian Lance Taylor <iant@google.com>
31
fd03461a
ILT		 32 * ffsll.c: New file.
33 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
34 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
35 * ftruncate.c (ftruncate): Declare before definition.
36 * mremap.c (mremap): Likewise.
37 * pread.c (pread): Likewise.
38 * configure, Makefile.in, config.in: Rebuild.
39
2f35ab9b
ILT		 40 * mremap.c: New file.
41 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
42 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
43 (mremap): Declare if HAVE_MREMAP is not defined.
44 * configure, Makefile.in, config.in: Rebuild.
45
33aea2fd
CC		 462009-03-27 Cary Coutant <ccoutant@google.com>
47
48 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
49 position independent.
50 * sparc.cc (Target_sparc::check_non_pic): Likewise.
51 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
52
6d479619
CC		 532009-03-24 Cary Coutant <ccoutant@google.com>
54
55 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
56 an executable.
57 (needs_dynamic_reloc): Likewise.
58
afc06bb8
ILT		 592009-03-24 Ian Lance Taylor <iant@google.com>
60
61 * yyscript.y (file_cmd): Recognize EXTERN.
62 (extern_name_list, extern_name_list_body): New nonterminals.
63 * script.cc (script_add_extern): Define.
64 * script-c.h (script_add_extern): Declare.
65
f6060a4d
ILT		 662009-03-24 Rafael Avila de Espindola <espindola@google.com>
67
68 * object.cc (is_elf_object): Define.
69 * object.h (is_elf_object): Declare.
70 * archive.cc (Archive::get_elf_object_for_member): Call
71 is_elf_object.
33aea2fd 72 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 73
26736d8e
ILT		 742009-03-24 Elliott Hughes <enh@google.com>
75
76 * output.cc (Output_file::map_anonymous): Define.
77 (Output_file::map): Use map_anonymous. If the regular mmap fails,
78 try an anonymous one. Report the size if the mmap fails.
79 * output.h (class Output_file): Declare map_anonymous.
80
22fd9730
ILT		 812009-03-24 Ian Lance Taylor <iant@google.com>
82
83 * target-select.cc (instantiate_target): Don't acquire the lock if
84 the instantiated_target_ field has already been set.
85
cb010894
ILT		 862009-03-23 Ian Lance Taylor <iant@google.com>
87
7f055c20
ILT		 88 * gold-threads.h (class Initialize_lock): Define.
89 * gold-threads.cc (class Initialize_lock_once): Define.
90 (initialize_lock_control): New static variable.
91 (initialize_lock_pointer): New static variable.
92 (initialize_lock_once): New static function.
93 (Initialize_lock::Initialize_lock): Define.
94 (Initialize_lock::initialize): Define.
95 * target-select.h: Include "gold-threads.h".
96 (class Target_selector): Add lock_ and initialize_lock_ fields.
97 Don't define instantiate_target, just declare it.
98 * target-select.cc (Target_selector::Target_selector): Initialize
99 new fields.
100 (Target_selector::instantiate_target): Define.
101 * descriptors.h: Include "gold-threads.h".
102 (class Descriptors): Add initialize_lock_ field.
103 * descriptors.cc (Descriptors::Descriptors): Initialize new
104 field.
105 (Descriptors::open): Use initialize_lock_ field
106 * errors.h (class Errors): Add initialize_lock_ field.
107 * errors.cc (Errors::Errors): Initialize new field.
108 (Errors::initialize_lock): Use initialize_lock_ field.
109 * powerpc.cc (class Target_selector_powerpc): Remove
110 instantiated_target_ field. In do_recognize call
111 instantiate_target rather than do_instantiate_target. In
112 do_instantiate_target just allocate a new target.
113 * sparc.cc (class Target_selector_sparc): Likewise.
114
36959681
ILT		 115 * freebsd.h: New file.
116 * i386.cc: Include "freebsd.h".
117 (Target_i386): Derive from Target_freebsd rather than
118 Sized_target.
119 (Target_selector_i386): Derive from Target_selector_freebsd rather
120 than Target_selector.
121 * x86_64.cc: Include "freebsd.h".
122 (Target_x86_64): Derive from Target_freebsd rather than
123 Sized_target.
124 (Target_selector_x86_64): Derive from Target_selector_freebsd
125 rather than Target_selector.
126 * target.h (class Target): Add adjust_elf_header and
127 do_adjust_elf_header.
128 * output.cc (Output_file_header:: do_sized_write): Call target
129 adjust_elf_header routine.
130 * configure.tgt: Set targ_osabi.
131 * configure.ac: Define GOLD_DEFAULT_OSABI.
132 * parameters.cc (Parameters::default_target): Pass
133 GOLD_DEFAULT_OSABI to select_target.
134 * target-select.h (class Target_selector): Make instantiate_target
135 protected rather than private.
136 * Makefile.am (HFILES): Add freebsd.h.
137 * configure, Makefile.in, config.in: Rebuild.
138
cb010894
ILT		 139 * merge.cc (do_add_input_section): Correct pend value. Change
140 message about last entry not being null terminated from error to
141 warning.
142
0e879927
ILT		 1432009-03-20 Mikolaj Zalewski <mikolajz@google.com>
144
145 * incremental.cc: New file.
146 * Makefile.am (CCFILES): Add incremental.cc.
147 * Makefile.in: Rebuild.
148
41105937
PP		 1492009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
150
151 * layout.cc (Layout::output_section_name): Preserve names
152 of '.note.' sections.
153
60439920
ILT		 1542009-03-19 Ian Lance Taylor <iant@google.com>
155
156 * descriptors.cc (Descriptors::open): Check that the options are
157 valid before using them.
158
0d371ad3
ILT		 1592009-03-18 Ian Lance Taylor <iant@google.com>
160
161 * script-sections.h: Include <list>.
162 (class Script_sections): Change Sections_elements from std::vector
163 to std::list. Typedef public Elements_iterator. Add
164 orphan_section_placement_, data_segment_align_start_, and
165 saw_data_segment_align_ fields. Remove data_segment_align_index_
166 field.
167 * script-sections.cc (class Orphan_section_placement): New class.
168 (class Sections_element): Add virtual functions is_relro and
169 orphan_section_init. Remove virtual function place_orphan_here.
170 (class Output_section_definition): Add is_relro and
171 orphan_section_init. Remove place_orphan_here.
172 (class Orphan_output_section): Likewise.
173 (Script_sections::Script_sections): Update for field changes.
174 (Script_sections::data_segment_align): Set saw_data_segment_align_
175 and data_segment_align_start_, not data_segment_align_index.
176 (Script_sections::data_segment_relro_end): Check
177 saw_data_segment_align_. Use data_segment_align_start_ rather
178 than data_segment_align_index_.
179 (Script_sections::place_orphan): Rewrite to use
180 Orphan_section_placement.
181
9201d894
ILT		 1822009-03-17 Ian Lance Taylor <iant@google.com>
183
9c5b8369
ILT		 184 * archive.cc (Archive::add_symbols): Check for a version attached
185 to the symbol name in the archive map.
186 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
187 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
188 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
189 (ver_test_11.a): New target.
190 * testsuite/Makefile.in: Rebuild.
191
9201d894
ILT		 192 * configure.ac: Check for chsize and posix_fallocate. Replace
193 ftruncate.
194 * ftruncate.c: New file, from gnulib.
195 * output.cc (posix_fallocate): Define dummy version if not
196 HAVE_POSIX_FALLOCATE.
197 (Output_file::map): Call posix_fallocate rather than lseek and
198 write.
199 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
200 * configure, Makefile.in, config.in: Rebuild.
201
ef4ab7a8
PP		 2022009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
203
204 * layout.h (Layout::create_note): Add section_name parameter.
205 * layout.cc (Layout::create_note): Likewise.
206 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
207
8c500701
ILT		 2082009-03-17 Ian Lance Taylor <iant@google.com>
209
e85b18e1
ILT		 210 * descriptors.cc: Include "options.h".
211 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
212 (Descriptors::open): Always use O_CLOEXEC when opening a new
213 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
214 then set FD_CLOEXEC.
215
9efe6174
ILT		 216 * sparc.cc (class Target_sparc): Add has_got_section.
217 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
218 make sure we have a GOT section.
219
220 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
221 (Target_sparc::Scan::local): Likewise.
222 (Target_sparc::Scan::global): Likewise.
223 (Target_sparc::Relocate::relocate): Likewise.
224 (Target_sparc::Relocate::relocate_tls): Likewise.
225
8c500701
ILT		 226 * symtab.cc (Symbol_table::define_default_version): New function,
227 broken out of add_from_object.
228 (Symbol_table::add_from_object): Call define_default_version.
229 (Symbol_table::define_special_symbol): Add resolve_oldsym
230 parameter. Change all callers. If the version for a symbol comes
231 from a version script, resolve it with the symbol with the same
232 name with no version. Also add the symbol without a version if
233 appropriate.
234 (do_define_in_output_data): If resolving with oldsym, don't delete
235 sym.
236 (do_define_in_output_segment): Likewise.
237 (do_define_as_constant): Likewise.
238 * symtab.h (class Symbol_table): Update declarations.
239
f1ed28fb
ILT		 2402009-03-13 Ian Lance Taylor <iant@google.com>
241
15f8229b
ILT		 242 * readsyms.cc (Read_symbols::incompatible_warning): New function.
243 (Read_symbols::requeue): New function.
244 (Read_symbols::do_read_symbols): If make_elf_object fails because
245 the target type is not configured, and the file was searched for,
246 issue a warning and retry with the next directory.
247 (Add_symbols::run): If the file has an incompatible format, and
248 it was searched for, requeue the Read_symbols task. On error,
249 release the object.
250 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
251 dirindex parameter to constructor. Change all callers. Declare
252 incompatible_warning and requeue.
253 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
254 input_argument_ and input_group_ fields. Add them to
255 constructor. Change all callers.
256 (class Read_script): Add dirindex_ field. Add it to constructor.
257 Change all callers.
258 * archive.cc (Archive::setup): Remove input_objects parameter.
259 Change all callers.
260 (Archive::get_file_and_offset): Likewise.
261 (Archive::read_all_symbols): Likewise.
262 (Archive::read_symbols): Likewise.
263 (Archive::get_elf_object_for_member): Remove input_objects
264 parameter. Add punconfigured parameter. Change all callers.
265 (Archive::add_symbols): Change return type to bool. Check return
266 value of include_member.
267 (Archive::include_all_members): Likewise.
268 (Archive::include_member): Change return type to bool. Return
269 false if first included object has incompatible target. Set
270 included_member_ field.
271 (Add_archive_symbols::run): If add_symbols returns false, requeue
272 Read_symbols task.
273 * archive.h (class Archive): Add included_member_ field.
274 Initialize it in constructor. Add input_file and searched_for
275 methods. Update declarations.
276 (class Add_archive_symbols): Add dirpath_, dirindex_, and
277 input_argument_ fields. Add them to constructor. Change all
278 callers.
279 * script.cc: Include "target-select.h".
280 (class Parser_closure): Add skip_on_incompatible_target_ and
281 found_incompatible_target_ fields. Add
282 skip_on_incompatible_target parameter to constructor. Change all
283 callers. Add methods skip_on_incompatible_target,
284 clear_skip_on_incompatible_target, found_incompatible_target, and
285 set_found_incompatible_target.
286 (read_input_script): Add dirindex parameter. Change all callers.
287 If parser finds an incompatible target, requeue Read_symbols
288 task.
289 (script_set_symbol): Clear skip_on_incompatible_target in
290 closure.
291 (script_add_assertion, script_parse_option): Likewise.
292 (script_start_sections, script_add_phdr): Likewise.
293 (script_check_output_format): New function.
294 * script.h (read_input_script): Update declaration.
295 * script-c.h (script_check_output_format): Declare.
296 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
297 (ignore_cmd): Remove OUTPUT_FORMAT.
298 * fileread.cc (Input_file::Input_file): Add explicit this.
299 (Input_file::will_search_for): New function.
300 (Input_file::open): Add pindex parameter. Change all callers.
301 * fileread.h (class Input_file): Add input_file_argument method.
302 Declare will_search_for. Update declarations.
303 * object.cc (make_elf_object): Add punconfigured parameter.
304 Change all callers.
305 * object.h (class Object): Make input_file public. Add
306 searched_for method.
307 (make_elf_object): Update declaration.
308 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
309 restart search.
310 * dirsearch.h (class Dirsearch): Update declaration.
311 * options.h (class General_options): Add --warn-search-mismatch.
312 * parameters.cc (Parameters::is_compatible_target): New function.
313 * parameters.h (class Parameters): Declare is_compatible_target.
314 * workqueue.cc (Workqueue::add_blocker): New function.
315 * workqueue.h (class Workqueue): Declare add_blocker.
316
f1ed28fb
ILT		 317 * fileread.cc (Input_file::open): Remove options parameter.
318 Change all callers.
319 (Input_file::open_binary): Likewise.
320 * script.cc (read_input_script): Likewise.
321 * readsyms.h (class Read_symbols): Remove options_ field. Remove
322 options parameter from constructor. Change all callers.
323 (class Read_script): Likewise.
324 * fileread.h (class Input_file): Update declarations.
325 * script.h (read_input_script): Update declaration.
326
34dd024a
NC		 3272009-03-10 Nick Clifton <nickc@redhat.com>
328
329 * po/es.po: New Spanish translation.
330
6d71b17c
CC		 3312009-03-06 Cary Coutant <ccoutant@google.com>
332
333 * options.cc (parse_short_option): Keep dash_z from registering itself.
334
031cdbed
ILT		 3352009-03-03 Ian Lance Taylor <iant@google.com>
336
337 PR 9918
338 * target-reloc.h (relocate_section): Pass output_section to
339 relocate.
340 * i386.cc (Target_i386::should_apply_static_reloc): Add
341 output_section parameter. Change all callers.
342 (Target_i386::Relocate::relocate): Add output_section parameter.
343 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
344 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
345 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
346 * testsuite/two_file_shared.sh: New script.
347 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
348 (check_DATA): Add two_file_shared.dbg.
349 (two_file_shared.dbg): New target.
350 * testsuite/Makefile.in: Rebuild.
351
15d5fa16
ILT		 3522009-03-01 Ian Lance Taylor <iant@google.com>
353
354 * configure.ac: Check for byteswap.h.
355 * configure: Rebuild.
356 * config.in: Rebuild.
357
8a4c0b0d
ILT		 3582009-03-01 Mikolaj Zalewski <mikolajz@google.com>
359
360 * layout.cc (Layout::find_or_add_kept_section): New function.
361 (Layout::add_comdat): Removed.
362 * layout.h (struct Kept_section): Move out of class Layout.
363 Remove trailing underscores from field names. Add group_sections
364 field. Rename group_ field to is_group. Change all uses.
365 (class Layout): Declare find_or_add_kept_section, not add_comdat.
366 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
367 comdat_groups_ field.
368 (Sized_relobj::include_section_group): Use
369 find_or_add_kept_section and Kept_section::group_sections.
370 (Sized_relobj::include_linkonce_section): Likewise.
371 * object.cc (class Sized_relobj): Don't define Comdat_group or
372 Comdat_group_table. Remove find_comdat_group and
373 add_comdat_group. Remove comdat_groups_ field.
374 * plugin.cc (include_comdat_group): Use
375 Layout::find_or_add_kept_section.
376
b4ecf66b
ILT		 3772009-02-28 Ian Lance Taylor <iant@google.com>
378
14359ca0
ILT		 379 * README: --gc-sections and map files are now supported. Document
380 some build requirements.
381
b4ecf66b
ILT		 382 PR 6992
383 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
384 relocatable link set the value of the section symbol to zero.
385 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
386 relocatable link don't include the section address in the local
387 symbol value.
388
0602e05a
ILT		 3892009-02-27 Ian Lance Taylor <iant@google.com>
390
fd9d194f
ILT		 391 PR 6811
392 * options.h (class Search_directory): Add is_system_directory.
393 (class General_options): Declare is_in_system_directory.
394 * options.cc (get_relative_sysroot): Make static.
395 (get_default_sysroot): Make static.
396 (General_optoins::is_in_system_directory): New function.
397 * fileread.cc (Input_file::is_in_system_directory): New function.
398 * fileread.h (class Input_file): Declare is_in_system_directory.
399 * object.h (class Object): Add is_in_system_directory.
400 (class Input_objects): Remove system_library_directory_ field.
401 * object.cc (Input_objects::add_object): Don't set
402 system_library_directory_.
403 (input_objects::found_in_system_library_directory): Remove.
404 * symtab.cc (Symbol_table::write_globals): Remove input_objects
405 parameter. Change all callers.
406 (Symbol_table::sized_write_globals): Likewise.
407 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
408 Call Object::is_in_system_directory.
409 * symtab.h (class Symbol_table): Update declarations.
410
61edd21f
ILT		 411 PR 5990
412 * descriptors.h (Open_descriptor): Add is_on_stack field.
413 * descriptors.cc (Descriptors::open): If the descriptor is on the
414 top of the stack, remove it. Initialize is_on_stack field.
415 (Descriptors::release): Only add pod to stack if it is not on the
416 stack already.
417 (Descriptors::close_some_descriptor): Clear stack_next and
418 is_on_stack fields.
419
e29e076a
ILT		 420 PR 7091
421 * output.cc (Output_section::find_starting_output_address): Rename
422 from starting_output_address; add PADDR parameter; change return
423 type.
424 * output.h (class Output_section): Declare
425 find_starting_output_address instead of starting_output_address.
426 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
427 section symbol for which we can't find a merge section.
428
0602e05a
ILT		 429 PR 9836
430 * symtab.cc (Symbol_table::add_from_object): If the visibility is
431 hidden or internal, force the symbol to be local.
432 * resolve.cc (Symbol::override_visibility): Define.
433 (Symbol::override_base): Use override_visibility.
434 (Symbol_table::resolve): Likewise.
435 (Symbol::override_base_with_special): Likewise.
436 (Symbol_table::override_with_special): If the visibility is hidden
437 or internal, force the symbol to be local.
438 * symtab.h (class Symbol): Add set_visibility and
439 override_visibility.
440 * testsuite/ver_test_1.sh: New file.
441 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
442 (check_DATA): Add ver_test_1.syms.
443 (ver_test_1.syms): New target.
444 * testsuite/Makefile.in: Rebuild.
445
401a9a73
CC		 4462009-02-25 Cary Coutant <ccoutant@google.com>
447
448 * layout.cc (Layout::choose_output_section): Don't rename sections
449 when using a linker script that has a SECTIONS clause.
450 * Makefile.in: Regenerate.
451
452 * testsuite/Makefile.am (script_test_5.sh): New test case.
453 * testsuite/Makefile.in: Regenerate.
454 * testsuite/script_test_5.cc: New file.
455 * testsuite/script_test_5.sh: New file.
456 * testsuite/script_test_5.t: New file.
457
f488e4b0
CC		 4582009-02-13 Rafael Avila de Espindola <espindola@google.com>
459
460 * archive.cc (Archive::include_member): Update calls to add_symbols.
461 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
462 the Layout argument.
463 * dynobj.h (do_add_symbols): Add the Layout argument.
464 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
465 Layout argument.
466 * object.h (Object::add_symbols): Add the Layout argument.
467 (Object::do_add_symbols): Add the Layout argument.
468 (Sized_relobj::do_add_symbols): Add the Layout argument.
469 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
470 Unify the two versions.
471 (Add_plugin_symbols): Remove.
472 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
473 (Sized_pluginobj::do_add_symbols): Unify the two versions.
474 (Add_plugin_symbols): Remove.
475 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
476 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
477 (Add_symbols::run): Make it work with Pulginobj.
478
89dd1680
ILT		 4792009-02-06 Ian Lance Taylor <iant@google.com>
480
481 * object.cc (Sized_relobj::do_layout): Make info message start
482 with lower case letter.
483
266d0a74
ILT		 4842009-02-06 Mikolaj Zalewski <mikolajz@google.com>
485
602b464e
ILT		 486 * binary.cc: Fix file comment.
487
266d0a74
ILT		 488 * options.h (enum Incremental_disposition): Define.
489 (class General_options): Add new options: --incremental,
490 --incremental_changed, --incremental_unchanged,
491 --incremental_unknown. Add incremental_disposition_ and
492 implicit_incremental_ fields.
493 (General_options::incremental_disposition): New function.
494 (class Position_dependent_options): Add incremental_disposition
495 option.
496 (Position_dependent_options::copy_from_options): Set incremental
497 dispositions.
498 * options.cc (General_options::parse_incremental_changed): New
499 function.
500 (General_options::parse_incremental_unchanged): New function.
501 (General_options::parse_incremental_unknown): New function.
502 (General_options::General_options): Initialize new fields
503 incremental_disposition_ and implicit_incremental_.
504 (General_options::finalize): Check for uasge of --incremental-*
505 without --incremental.
506
f073bbf7
CD		 5072009-02-06 Chris Demetriou <cgd@google.com>
508
509 * gold.h (gold_undefined_symbol): Change to take only a Symbol
510 pointer and to report location as the file name associated with
511 the symbol.
512 (gold_undefined_symbol_at_location): New function to replace the
513 old gold_undefined_symbol functionality.
514 * target-reloc.h (relocate_section): Update to use
515 gold_undefined_symbol_at_location.
516 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
517 Call gold_undefined_symbol function rather than gold_error.
518 * errors.h (Errors::undefined_symbol): Take location as a
519 string, rather than calculating it from a relocation.
520 * errors.cc (Errors::fatal): Print "fatal error:" before the
521 formatted message.
522 (Errors::error, Errors::error_at_location): Print "error: "
523 before the formatted message.
524 (Errors::undefined_symbol): Take location as a string, rather
525 than calculating it from a relocation.
526 (gold_undefined_symbol_at_location): New function akin to
527 old gold_undefined_symbol, calculates location from relocation.
528 (gold_undefined_symbol): Change to take only a Symbol pointer
529 and to report location as the file name associated with the symbol.
530 * testsuite/debug_msg.sh: Update for changed error messages.
531 * testsuite/undef_symbol.sh: Likewise.
532
8e94a90c
ILT		 5332009-02-04 Duncan Sands <baldrick@free.fr>
534
535 PR 9812
536 * reduced_debug_output.h
537 (Output_reduced_debug_abbrev_section::failed): Use format for
538 gold_warning.
539 (Output_reduced_debug_info_section::faild): Likewise.
540
88a0e15b
ILT		 5412009-01-31 Mikolaj Zalewski <mikolajz@google.com>
542
543 * script.cc (Lazy_demangler): New class.
544 (Version_script_info::get_symbol_version_helper): Demangle a
545 symbol only once.
546
5efc7cd2
CC		 5472009-01-29 Cary Coutant <ccoutant@google.com>
548
549 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
550 to __tls_get_addr.
551 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
552
e0ebcf42
ILT		 5532009-01-28 Ian Lance Taylor <iant@google.com>
554
5efc7cd2 555 * version.cc (version_string): Bump to 1.9.
75fe7426 556
e0ebcf42
ILT		 557 * gold.h: Include <cstring> and <stdint.h>.
558 * version.cc: Include <cstdio>.
559 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
560 warning.
561 * reduced_debug_output.cc (insert_into_vector): Rename from
562 Insert_into_vector; change all callers. Use Swap_unaligned to
563 avoid aliasing issue; remove union since it is unnecessary.
564
8e2813be 5652009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 566
567 * Makefile.am (CCFILES): Add gc.cc.
568 (HFILES): Add gc.h.
569 * Makefile.in: Regenerate.
570 * gold.cc (Gc_runner): New class.
571 (queue_initial_tasks): Call garbage collection related tasks
572 when corresponding options are invoked.
573 (queue_middle_gc_tasks): New function.
574 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
575 processed early before laying out sections during garbage collection.
576 * gold.h (queue_middle_gc_tasks): New function.
577 (is_prefix_of): Move from "layout.cc".
578 * i386.cc (Target_i386::gc_process_relocs): New function.
579 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
580 * main.cc (main): Create object of class "Garbage_collection".
581 * object.cc (Relobj::copy_symbols_data): New function.
582 (Relobj::is_section_name_included): New function.
583 (Sized_relobj::do_layout): Allow this function to be called twice
584 during garbage collection and defer layout of section during the
585 first call.
586 * object.h (Relobj::get_symbols_data): New function.
587 (Relobj::is_section_name_included): New function.
588 (Relobj::copy_symbols_data): New function.
589 (Relobj::set_symbols_data): New function.
590 (Relobj::get_relocs_data): New function.
591 (Relobj::set_relocs_data): New function.
592 (Relobj::is_output_section_offset_invalid): New pure virtual function.
593 (Relobj::gc_process_relocs): New function.
594 (Relobj::do_gc_process_relocs): New pure virtual function.
595 (Relobj::sd_): New data member.
596 (Sized_relobj::is_output_section_offset_invalid): New function.
597 (Sized_relobj::do_gc_process_relocs): New function.
598 * options.h (General_options::gc_sections): Modify to not be a no-op.
599 (General_options::print_gc_sections): New option.
600 * plugin.cc (Plugin_finish::run): Remove function call to
601 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
602 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
603 * reloc.cc (Read_relocs::run): Add task to process relocs and
604 determine unreferenced sections when doing garbage collection.
605 (Gc_process_relocs): New class.
606 (Sized_relobj::do_gc_process_relocs): New function.
607 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
608 sections that are garbage collected.
609 * reloc.h (Gc_process_relocs): New class.
610 * sparc.cc (Target_sparc::gc_process_relocs): New function.
611 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
612 symbols whose corresponding sections are garbage collected.
613 (Symbol_table::Symbol_table): Add new parameter for the garbage
614 collection object.
615 (Symbol_table::gc_mark_undef_symbols): New function.
616 (Symbol_table::gc_mark_symbol_for_shlib): New function.
617 (Symbol_table::gc_mark_dyn_syms): New function.
618 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
619 as garbage.
620 (Symbol_table::add_from_object): Likewise.
621 (Symbol_table::add_from_relobj): When building shared objects, do not
622 treat externally visible symbols as garbage.
623 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
624 table information for static and relocatable links.
625 * symtab.h (Symbol_table::set_gc): New function.
626 (Symbol_table::gc): New function.
627 (Symbol_table::gc_mark_undef_symbols): New function.
628 (Symbol_table::gc_mark_symbol_for_shlib): New function.
629 (Symbol_table::gc_mark_dyn_syms): New function.
630 (Symbol_table::gc_): New data member.
631 * target.h (Sized_target::gc_process_relocs): New pure virtual
632 function.
633 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
634 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
635
3b293544
CF		 6362009-01-20 Chris Faylor <me.sourceware@sourceware.org>
637
638 * options.h (General_options::gc_sections): Define as a no-op for now.
639 (General_options::no_keep_memory): Ditto.
640 (General_options::Bshareable): Define.
641 * options.cc (General_options::finalize): Honor -Bshareable.
642
83d22aa8
AS		 6432009-01-20 Andreas Schwab <schwab@suse.de>
644
645 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
646 read the value in the contents, since we don't use it. Use the
647 template endianness when writing.
648 (Relocate::relocate): Use it for R_PPC_REL16_HA.
649
cd536b21
AS		 6502009-01-19 Andreas Schwab <schwab@suse.de>
651
652 * configure.tgt (powerpc64-*): Fix targ_obj.
653
99e9a495
ILT		 6542009-01-15 Ian Lance Taylor <iant@google.com>
655
656 * object.cc (Sized_relobj::write_local_symbols): Don't write out
657 local symbols when stripping all symbols.
658
bbbfea06
CC		 6592009-01-14 Cary Coutant <ccoutant@google.com>
660
99e9a495 661 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 662
0f7c0701
CC		 6632009-01-14 Cary Coutant <ccoutant@google.com>
664
665 * archive.cc (Archive::get_elf_object_for_member): Remove call
666 to File_read::claim_for_plugin.
667 * descriptors.cc (Descriptors::open): Remove reference to
668 is_claimed.
669 (Descriptors::claim_for_plugin): Remove.
670 * descriptors.h (Descriptors::claim_for_plugin): Remove.
671 (Descriptors::is_claimed): Remove.
672 (claim_descriptor_for_plugin): Remove.
673 * fileread.cc (File_read::claim_for_plugin): Remove.
674 * fileread.h (File_read::claim_for_plugin): Remove.
675 (File_read::descriptor): Reopen descriptor if necessary.
676 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
677 (Plugin_manager::all_symbols_read): Add task parameter. Change
678 all callers.
679 (Plugin_manager::get_input_file): New function.
680 (Plugin_manager::release_input_file): New function.
681 (Pluginobj::Pluginobj): Add filesize parameter and initialize
682 corresponding data member.
683 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
684 and pass to base constructor. Change all callers.
685 (get_input_file, release_input_file): New functions.
686 (make_sized_plugin_object): Add filesize parameter. Change all callers.
687 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
688 (Plugin_manager::all_symbols_read): Add task parameter.
689 (Plugin_manager::get_input_file): New function.
690 (Plugin_manager::release_input_file): New function.
691 (Plugin_manager::task_): New data member.
692 (Pluginobj::Pluginobj): Add filesize parameter.
693 (Pluginobj::filename): New function.
694 (Pluginobj::descriptor): New function.
695 (Pluginobj::filesize): New function.
696 (Pluginobj::filesize_): New data member.
697 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
698 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
699 File_read::claim_for_plugin; use Object::unlock to unlock the file.
700
701 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
702 with archive libraries.
703 * testsuite/Makefile.in: Regenerate.
704 * testsuite/plugin_test.c (struct sym_info): New type.
705 (get_input_file, release_input_file): New static variables.
706 (onload): Capture new transfer vector entries.
707 (claim_file_hook): Stop reading at end of file according to filesize.
708 Factor out parsing of readelf output into separate function.
709 (all_symbols_read_hook): Exercise get_input_file and release_input_file
710 APIs and get the source file name from the symbol table. Convert
711 source file name to corresponding object file name. Print info
712 message when adding new input files.
713 (parse_readelf_line): New function.
714 * testsuite/plugin_test_1.sh: Add checks for new info messages.
715 * testsuite/plugin_test_2.sh: Likewise.
716 * testsuite/plugin_test_3.sh: Likewise.
717 * testsuite/plugin_test_4.sh: New test case.
718
62a6d109
ILT		 7192009-01-07 Ian Lance Taylor <iant@google.com>
720
721 * version.cc (version_string): Bump to 1.8.
722
483620e8
CC		 7232008-12-23 Cary Coutant <ccoutant@google.com>
724
725 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
726 * plugin.cc (Plugin_manager::finish): Rename as
727 layout_deferred_objects. Move cleanup to separate function.
728 (Plugin_manager::cleanup): New function.
729 (Plugin_finish::run): Call layout_deferred_objects and cleanup
730 separately.
731 * plugin.h (Plugin_manager::finish): Rename as
732 layout_deferred_objects.
733 (Plugin_manager::cleanup): New function.
734 (Plugin_manager::cleanup_done): New field.
735
d66a9eb3
CC		 7362008-12-23 Cary Coutant <ccoutant@google.com>
737
738 * plugin.cc (is_visible_from_outside): New function.
739 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
740 so we don't return "IR only" status for exported symbols or -r links.
741
742 * testsuite/Makefile.am (plugin_test_3): New test case.
743 * testsuite/Makefile.in: Regenerate.
744 * testsuite/plugin_test_3.sh: New file.
745
5995b570
CC		 7462008-12-22 Cary Coutant <ccoutant@google.com>
747
748 * object.cc (Sized_relobj::layout_section): New function.
749 (Sized_relobj::do_layout): Defer layout of input sections until after
750 plugin has provided replacement files.
751 (Sized_relobj::do_layout_deferred_sections): New function.
752 * object.h (Relobj::set_section_offset): Remove virtual keyword.
753 (Relobj::layout_deferred_sections): New function.
754 (Relobj::do_layout_deferred_sections): New function.
755 (Sized_relobj::do_layout_deferred_sections): New function.
756 (Sized_relobj::layout_section): New function.
757 (Sized_relobj::Deferred_layout): New structure.
758 (Sized_relobj::deferred_layout_): New field.
759 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
760 Change all callers. Layout deferred sections.
761 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
762 references.
763 (Plugin_hook::run): Move code from do_plugin_hook inline.
764 (Plugin_hook::do_plugin_hook): Remove.
765 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
766 (Plugin_manager::finish): Renamed, was cleanup.
767 (Plugin_manager::should_defer_layout): New function.
768 (Plugin_manager::add_deferred_layout_object): New function.
769 (Plugin_manager::Deferred_layout_list): New type.
770 (Plugin_manager::deferred_layout_objects_): New field.
771 (Plugin_hook::do_plugin_hook): Remove.
772
ee769c88
ILT		 7732008-12-17 Ian Lance Taylor <iant@google.com>
774
775 * options.h (class General_options): Add --no case for
776 --export-dynamic.
777
abc8dcba
CC		 7782008-12-16 Cary Coutant <ccoutant@google.com>
779
780 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
781 vector.
782 (Plugin_manager::claim_file): Create plugin object even if
783 plugin did not call the add_symbols callback.
784 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
785 asking for more symbols than were added.
786 * testsuite/Makefile.am (plugin_test_1): Add test case with
787 no global symbols.
788 (empty.syms): New target.
789 * testsuite/Makefile.in: Regenerate.
790 * testsuite/plugin_test.c (claim_file_hook): Add new debug
791 message. Don't call add_symbols if no globals.
792 (all_symbols_read_hook): Don't provide replacement for empty
793 claimed file.
794
b0074644
ILT		 7952008-12-12 Ian Lance Taylor <iant@google.com>
796
68943102
ILT		 797 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
798 r_type == 0 for a local symbol with r_sym == 0.
799 (scan_relocatable_relocs): Pass r_sym to
800 local_non_section_strategy.
801 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
802 r_sym parameter.
803
b0074644
ILT		 804 * configure.ac: Update test for TLS descriptors: they are
805 supported as of glibc 2.9.
806 * configure: Rebuild.
807
c2508178
ILT		 8082008-12-11 Ian Lance Taylor <iant@google.com>
809
810 PR 7091
811 * target-reloc.h (Default_scan_relocatable_relocs): For each
812 function, map r_type == 0 to RELOC_DISCARD.
813
2756a258
CC		 8142008-12-10 Cary Coutant <ccoutant@google.com>
815
816 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
817 object to override a kept COMDAT group from a plugin object.
818
bb6f53d3
ILT		 8192008-12-09 Ian Lance Taylor <iant@google.com>
820
fbc558e1
ILT		 821 PR 7088
822 * yyscript.y (file_cmd): Handle INPUT.
823
bb6f53d3
ILT		 824 * testsuite/initpri1.c: Change all declarations to be full
825 prototypes by adding void, to avoid compiler warnings.
826
4674ecfc
CC		 8272008-12-05 Rafael Avila de Espindola <espindola@google.com>
828
829 * options.cc (General_options::parse_plugin_opt): New.
830 (General_options::add_plugin): The argument now is just the filename.
831 (General_options::add_plugin_option): New.
832 * options.h (plugin_opt): New.
833 (add_plugin): Change argument name.
834 (add_plugin_option): New.
835 * plugin.cc (Plugin::load): Don't parse the plugin option.
836 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
837 (Plugin::add_option): New.
838 (Plugin::args_): Change type.
839 (Plugin::filename_): New.
840 (Plugin_manager::add_plugin_option): New.
841 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
842 * testsuite/Makefile.in: Regenerate.
843
fd06b4aa
CC		 8442008-12-05 Cary Coutant <ccoutant@google.com>
845
846 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
847 Handle --strip-lto-sections option.
848 * options.h (strip_lto_sections): New option.
849
6c52134c
CC		 8502008-12-01 Cary Coutant <ccoutant@google.com>
851
852 * plugin.cc (ld_plugin_message): Change format parameter to const.
853 Fix mismatch between new[] and delete.
854
a45248e0
CC		 8552008-11-14 Cary Coutant <ccoutant@google.com>
856
857 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
858 instead of -1U.
859
c82fbeee
CS		 8602008-11-05 Craig Silverstein <csilvers@google.com>
861
862 * options.cc (General_options::parse_dynamic_list): New function.
863 * options.h (General_options): New flags dynamic_list,
864 dynamic_list_data, dynamic_list_cpp_new, and
865 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
866 (General_options::in_dynamic_list): New function.
867 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
868 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
869 (Lex::can_continue_name): Likewise.
870 (yylex): Likewise.
871 (read_script_file): New parameter script_options.
872 (read_dynamic_list): New function.
873 (Script_options::define_dynamic_list): New function.
874 (dynamic_list_keyword_parsecodes): New variable.
875 (dynamic_list_keywords): New variable.
876 * script.h (Script_options::define_dynamic_list): New function
877 prototype.
878 (read_dynamic_list): New function prototype.
879 * symtab.cc (strprefix): New macro.
880 (Symbol::should_add_dynsym_entry): Support dynamic_list,
881 dynamic_list_data, dynamic_list_cpp_new, and
882 dynamic_list_cpp_typeinfo.
883 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
884 (dynamic_list_expr): New rule.
885 (dynamic_list_nodes): Likewise.
886 (dynamic_list_node): Likewise.
887 * testsuite/Makefile.am (dynamic_list): New test.
888 * testsuite/Makefile.in: Regenerated.
889 * testsuite/dynamic_list.t: New file.
890 * testsuite/dynamic_list.sh: New file.
891
e0bb29a5
CS		 8922008-11-05 Craig Silverstein <csilvers@google.com>
893
894 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
895 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
896 (t11_last): Likewise.
897 * testsuite/ver_test_6.c (main): Likewise.
898
4e1e25e0
CC		 8992008-10-07 Cary Coutant <ccoutant@google.com>
900
901 * options.c (General_options::finalize): Add check for -static and
902 -shared.
903 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
904 is not empty.
905
92f03fcb
CC		 9062008-10-02 Cary Coutant <ccoutant@google.com>
907
908 * plugin.cc (make_sized_plugin_object): Fix conditional
909 compilation to work when not all targets are enabled.
910
fbd8a257
CC		 9112008-09-29 Cary Coutant <ccoutant@google.com>
912
913 * archive.cc (Archive::get_file_and_offset): Use filename instead
914 of name to get library path.
915 (Archive::include_member): Unlock external member of a thin archive.
916
917 * testsuite/Makefile.am (TEST_AR): New variable.
918 (thin_archive_test_1): New test.
919 (thin_archive_test_2): New test.
81636b3f
CC		 920 * testsuite/Makefile.in: Regenerate.
921 * testsuite/thin_archive_main.cc: New file.
922 * testsuite/thin_archive_test_1.cc: New file.
923 * testsuite/thin_archive_test_2.cc: New file.
924 * testsuite/thin_archive_test_3.cc: New file.
925 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 926
eff45813
CC		 9272008-09-29 Cary Coutant <ccoutant@google.com>
928
929 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
930 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
931 instead of -1U.
932 (Sized_relobj::do_finalize_local_symbols): Likewise.
933 (Sized_relobj::map_to_kept_section): Likewise.
934 * object.h (Sized_relobj::invalid_address): New constant.
935 (Sized_relobj::do_output_section_offset): Check for invalid_address
936 and return -1ULL.
937 * output.cc (Output_reloc::local_section_offset): Use constant
938 invalid_address instead of -1U.
939 (Output_reloc::get_address): Likewise.
940 (Output_section::output_address): Change -1U to -1ULL.
941 * output.h (Output_reloc::invalid_address): New constant.
942 * reloc.cc (Sized_relobj::write_sections): Use constant
943 invalid_address instead of -1U.
944 (Sized_relobj::relocate_sections): Likewise.
945 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
946 values for merge sections.
947 * target-reloc.h (relocate_for_relocatable): Use constant
948 invalid_address instead of -1U.
949
89fc3421
CC		 9502008-09-19 Cary Coutant <ccoutant@google.com>
951
952 Add plugin functionality for link-time optimization (LTO).
953 * configure.ac (plugins): Add --enable-plugins option.
954 * configure: Regenerate.
955 * config.in: Regenerate.
956 * Makefile.am (LIBDL): New variable.
957 (CCFILES): Add plugin.cc.
958 (HFILES): Add plugin.h.
959 (ldadd_var): Add LIBDL.
960 * Makefile.in: Regenerate.
961
962 * archive.cc: Include "plugin.h".
963 (Archive::setup): Don't preread archive symbols when using a plugin.
964 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
965 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
966 files.
967 (Archive::include_member): Add symbols from plugin objects.
968 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
969 * descriptors.cc (Descriptors::open): Check for file descriptors
970 abandoned by plugins.
971 (Descriptors::claim_for_plugin): New function.
972 * descriptors.h (Descriptors::claim_for_plugin): New function.
973 (Open_descriptor::is_claimed): New field.
974 (claim_descriptor_for_plugin): New function.
975 * fileread.cc (File_read::claim_for_plugin): New function.
976 * fileread.h (File_read::claim_for_plugin): New function.
977 (File_read::descriptor): New function.
978 * gold.cc: Include "plugin.h".
979 (queue_initial_tasks): Add task to call plugin hooks for generating
980 new object files.
981 * main.cc: Include "plugin.h".
982 (main): Load plugin libraries.
983 * object.h (Pluginobj): Declare.
984 (Object::pluginobj): New function.
985 (Object::do_pluginobj): New function.
986 (Object::set_target): New function.
987 * options.cc: Include "plugin.h".
988 (General_options::parse_plugin): New function.
989 (General_options::General_options): Initialize plugins_ field.
990 (General_options::add_plugin): New function.
991 * options.h (Plugin_manager): Declare.
992 (General_options): Add --plugin option.
993 (General_options::has_plugins): New function.
994 (General_options::plugins): New function.
995 (General_options::add_plugin): New function.
996 (General_options::plugins_): New field.
997 * plugin.cc: New file.
998 * plugin.h: New file.
999 * readsyms.cc: Include "plugin.h".
1000 (Read_symbols::do_read_symbols): Check for archive before checking
1001 for ELF file. Call plugin hooks to claim files.
1002 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
1003 from a real object file; force override when processing replacement
1004 files.
1005 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
1006 (Symbol::init_base_object): Likewise.
1007 (Symbol::init_base_output_data): Likewise.
1008 (Symbol::init_base_output_segment): Likewise.
1009 (Symbol::init_base_constant): Likewise.
1010 (Symbol::init_base_undefined): Likewise.
1011 (Symbol::output_section): Assert that object is not a plugin.
1012 (Symbol_table::add_from_pluginobj): New function.
1013 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
1014 undefined.
1015 (Symbol_table::sized_write_globals): Likewise.
1016 (Symbol_table::add_from_pluginobj): Instantiate template.
1017 * symtab.h (Sized_pluginobj): Declare.
1018 (Symbol::in_real_elf): New function.
1019 (Symbol::set_in_real_elf): New function.
1020 (Symbol::in_real_elf_): New field.
1021 (Symbol_table::add_from_pluginobj): New function.
1022
1023 * testsuite/Makefile.am (AM_CFLAGS): New variable.
1024 (LIBDL): New variable.
1025 (LDADD): Add LIBDL.
1026 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
1027 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
1028 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
1029 (MOSTLYCLEANFILES): Likewise.
1030 * testsuite/Makefile.in: Regenerate.
1031 * testsuite/plugin_test.c: New file.
1032 * testsuite/plugin_test_1.sh: New file.
1033 * testsuite/plugin_test_2.sh: New file.
1034
de31bda5
ILT		 10352008-09-16 Ian Lance Taylor <iant@google.com>
1036
9c2d0ef9
ILT		 1037 * target-reloc.h (relocate_section): Check whether a symbol is
1038 defined by the ABI before reporting an undefined symbol error.
1039 * target.h (Target::is_defined_by_abi): Make parameter const.
1040 (Target::do_is_defined_by_abi): Likewise.
1041 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
1042 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
1043 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
1044 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
1045 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
1046 * testsuite/Makefile.in: Rebuild.
1047
de31bda5
ILT		 1048 * fileread.cc (make_view): Add casts to avoid warning.
1049
9fa33bee
AO		 10502008-09-16 Alexandre Oliva <aoliva@redhat.com>
1051
1052 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
1053 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1054
183fd0e3
AO		 10552008-09-16 Alexandre Oliva <aoliva@redhat.com>
1056
1057 * options.h (General_options::output_is_executable): New.
1058 (General_options::output_is_pie): New.
1059 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
1060 for shared libraries.
1061 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1062
7be8330a
CD		 10632008-09-11 Chris Demetriou <cgd@google.com>
1064
1065 * options.h (origin): New -z option.
1066 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
1067 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
1068 in DT_FLAGS_1.
1069
a9caad02
CC		 10702008-09-05 Cary Coutant <ccoutant@google.com>
1071
1072 * fileread.cc (File_read::make_view): Add check for attempt to map
1073 beyond end of file.
1074
ae6dce4d
CC		 10752008-09-05 Cary Coutant <ccoutant@google.com>
1076
1077 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
1078 explicit instantiations.
1079
d7ab2a47
KVH		 10802008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
1081
1082 PR gold/6858
1083 * options.cc (General_options::finalize): Allow undefined symbols
1084 in shlibs if linking -shared.
1085
1086 PR gold/6859
1087 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
1088 symbols as not needing a dynsym entry.
1089
1e52a9c1
CS		 10902008-08-20 Craig Silverstein <csilvers@google.com>
1091
1092 * fileread.cc (File_read::open): Do not lock the file unless it
1093 was successfully opened.
1094
d85c80a3
CC		 10952008-08-14 Cary Coutant <ccoutant@google.com>
1096
1097 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
1098 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
1099 * testsuite/tls_test.cc (struct int128): 128-bit struct
1100 for testing TLS relocs with non-zero addend.
1101 (v12): New TLS variable.
1102 (t12): New test.
1103 (t_last): Add check for v12.
1104 * testsuite/tls_test.h (t12): New function.
1105 * testsuite/tls_test_main.cc (thread_routine): Call new test.
1106
2d924fd9
ILT		 11072008-08-13 Ian Lance Taylor <iant@google.com>
1108
1109 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
1110 set tls_segment_ or relro_segment_.
1111 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
1112 when appropriate.
1113 * output.h (Output_section::clear_is_relro): New function.
1114 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
1115 sections specially even when output_data_ is empty.
1116 (Output_segment::maximum_alignment): When first section is relro,
1117 only force alignment for PT_LOAD segments.
1118 * script.cc (script_data_segment_align): New function.
1119 (script_data_segment_relro_end): New function.
1120 * script-c.h (script_data_segment_align): Declare.
1121 (script_data_segment_relro_end): Declare.
1122 * script-sections.h (class Script_sections): Declare
1123 data_segment_align and data_segment_relro_end. Add fields
1124 segment_align_index_ and saw_relro_end_.
1125 * script-sections.cc (class Sections_element): Add set_is_relro
1126 virtual function. Add new bool* parameter to place_orphan_here.
1127 Add get_output_section virtual function.
1128 (class Output_section_definition): Add set_is_relro. Add new
1129 bool* parameter to place_orphan_here. Add get_output_section.
1130 Add is_relro_ field.
1131 (Output_section_definition::Output_section_definition): Initialize
1132 evaluated_address_, evaluated_load_address, evaluated_addralign_,
1133 and is_relro_ fields.
1134 (Output_section_definition::place_orphan_here): Add is_relro
1135 parameter.
1136 (Output_section_definition::set_section_addresses): Set relro for
1137 output section.
1138 (Output_section_definition::alternate_constraint): Likewise.
1139 (class Orphan_output_section): Add new bool* parameter to
1140 place_orphan_here. Add get_output_section.
1141 (Orphan_output_section::place_orphan_here): Add is_relro
1142 parameter.
1143 (Script_sections::Script_sections): Initialize
1144 data_segment_align_index_ and saw_relro_end_.
1145 (Script_sections::data_segment_align): New function.
1146 (Script_sections::data_segment_relro_end): New function.
1147 (Script_sections::place_orphan): Set or clear is_relro.
1148 (Script_sections::set_section_addresses): Force alignment of first
1149 TLS section.
1150 * yyscript.y (exp): Call script_data_segment_align and
1151 script_data_segment_relro_end.
1152 * testsuite/relro_script_test.t: New file.
1153 * testsuite/relro_test.cc (using_script): Declare.
1154 (t1, t2): Test using_script.
1155 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
1156 (relro_script_test_SOURCES): Define.
1157 (relro_script_test_DEPENDENCIES): Define.
1158 (relro_script_test_LDFLAGS): Define.
1159 (relro_script_test_LDADD): Define.
1160 (relro_script_test.so): New target.
1161 * testsuite/Makefile.in: Rebuild.
1162
f827c9a9
CC		 11632008-08-06 Cary Coutant <ccoutant@google.com>
1164
1165 * archive.cc (Archive::total_archives, Archive::total_members)
1166 (Archive::total_members_loaded): New variables.
1167 (Archive::setup): Add parameter. Add option to preread
1168 archive symbols.
1169 (Archive::read_armap): Add counter.
1170 (Archive::get_file_and_offset): New function.
1171 (Archive::get_elf_object_for_member): New function.
1172 (Archive::read_all_symbols): New function.
1173 (Archive::read_symbols): New function.
1174 (Archive::add_symbols): Add counters.
1175 (Archive::include_all_members): Use armap to find members if it's
1176 already built.
1177 (Archive::include_member): Skip reading symbols if already read.
1178 Factored code into Archive::get_file_and_offset and
1179 Archive::get_elf_object_for_member. Changed call to
1180 Mapfile::report_include_archive_member.
1181 (Archive::print_stats): New function.
1182 * archive.h: Declare Object and Read_symbols_data classes.
1183 (Archive::Archive): Add initializers for new members.
1184 (Archive::setup): Add parameter.
1185 (Archive::print_stats): New function.
1186 (Archive::total_archives, Archive::total_members)
1187 (Archive::total_members_loaded): New variables.
1188 (Archive::get_file_and_offset): New function.
1189 (Archive::get_elf_object_for_member): New function.
1190 (Archive::read_all_symbols): New function.
1191 (Archive::read_symbols): New function.
1192 (Archive::Archive_member): New class.
1193 (Archive::members_): New member.
1194 (Archive::num_members_): New member.
1195 * main.cc: Include archive.h.
1196 (main): Call Archive::print_stats.
1197 * mapfile.cc (Mapfile::report_include_archive_member): Delete
1198 archive parameter; member_name is now the fully-decorated name.
1199 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
1200 * options.h: (General_options): Add --preread-archive-symbols option.
1201 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
1202 Archive::setup.
1203
de4c45bd
ILT		 12042008-08-04 Ian Lance Taylor <iant@google.com>
1205
1206 * symtab.h (Symbol::use_plt_offset): New function.
1207 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
1208 * powerpc.cc (Relocate::relocate): Likewise.
1209 * sparc.cc (Relocate::relocate): Likewise.
1210 * x86_64.cc (Relocate::relocate): Likewise.
1211 * testsuite/weak_plt.sh: New test.
1212 * testsuite/weak_plt_main.cc: New test.
1213 * testsuite/weak_plt_shared.cc: New test.
1214 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
1215 (check_PROGRAMS): Add weak_plt.
1216 (check_DATA): Add weak_plt_shared.so.
1217 (weak_plt_main_pic.o, weak_plt): New targets.
1218 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
1219 * testsuite/Makefile.in: Rebuild.
1220
1221 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
1222 gcctestdir/ld.
1223 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
1224 * testsuite/Makefile.in: Rebuild.
1225
323ee3f4
AM		 12262008-08-04 Alan Modra <amodra@bigpond.net.au>
1227
1228 * Makefile.am (POTFILES.in): Set LC_ALL=C.
1229 * Makefile.in: Regenerate.
1230 * po/POTFILES.in: Regenerate.
1231
7c07ecec
ILT		 12322008-07-29 Ian Lance Taylor <iant@google.com>
1233
1234 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
1235 symbols before other symbols.
1236 * testsuite/script_test_2.cc (test_addr): Declare.
1237 (test_addr_alias): Declare.
1238 (main): Check that test_addr and test_addr_alias have the right
cd536b21 1239 values.
7c07ecec
ILT		 1240 * testsuite/script_test_2.t: Define test_addr_alias and
1241 test_addr.
1242
5778530e
ILT		 12432008-07-24 Ian Lance Taylor <iant@google.com>
1244
2a00e4fb
ILT		 1245 PR 5990
1246 * descriptors.cc: New file.
1247 * descriptors.h: New file.
1248 * gold-threads.h (class Hold_optional_lock): New class.
1249 * fileread.cc: Include "descriptors.h".
1250 (File_read::~File_read): Release descriptor rather than closing
1251 it.
1252 (File_read::open) [file]: Call open_descriptor rather than open.
1253 Set is_descriptor_opened_.
1254 (File_read::open) [memory]: Assert that descriptor is not open.
1255 (File_read::reopen_descriptor): New function.
1256 (File_read::release): Release descriptor.
1257 (File_read::do_read): Make non-const. Reopen descriptor.
1258 (File_read::read): Make non-const.
1259 (File_read::make_view): Reopen descriptor.
1260 (File_read::do_readv): Likewise.
1261 * fileread.h (class File_read): Add is_descriptor_opened_ field.
1262 Update declarations.
1263 * layout.cc: Include "descriptors.h".
1264 (Layout::create_build_id): Use open_descriptor rather than open.
1265 * output.cc: Include "descriptors.h".
1266 (Output_file::open): Use open_descriptor rather than open.
1267 * archive.cc (Archive::const_iterator): Change Archive to be
1268 non-const.
1269 (Archive::begin, Archive::end): Make non-const.
1270 (Archive::count_members): Likewise.
1271 * archive.h (class Archive): Update declarations.
1272 * object.h (Object::read): Make non-const.
1273 * Makefile.am (CCFILES): Add descriptors.cc.
1274 (HFILES): Add descriptors.h.
1275 * Makefile.in: Rebuild.
1276
801647d1
ILT		 1277 PR 6716
1278 * gold.h: Always include <clocale>. Add Solaris workarounds
1279 following code in binutils/sysdep.h.
1280
5edd166e
ILT		 1281 PR 6048
1282 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
1283 this->eh_frame_hdr_ is NULL before using it.
1284
c89ad728
ILT		 1285 * dynobj.cc (Versions::Versions): Update comment.
1286
aa86f06b
ILT		 1287 * dynobj.cc (Versions::Versions): If there is an soname, use it as
1288 the base version name.
1289
5778530e
ILT		 1290 * stringpool.cc (Stringpool_template::add_with_length): Set key to
1291 array size plus one.
1292 (Stringpool_template::set_string_offsets): Subtract one from key
1293 before using it as an array index.
1294 (Stringpool_template::get_offset_with_length): Likewise.
1295 (Stringpool_template::write_to_buffer): Likewise.
1296 * stringpool.h (Stringpool_template::get_offset_from_key):
1297 Likewise.
1298
057ead22
ILT		 12992008-07-23 Ian Lance Taylor <iant@google.com>
1300
7f649c59
ILT		 1301 PR 6658
1302 * object.h (Merged_symbol_value::value): Do our best to handle a
1303 negative addend.
1304
057ead22
ILT		 1305 PR 6647
1306 * script.cc (Version_script_info::get_versions): Don't add empty
1307 version tag to return value.
1308 (Version_script_info::get_symbol_version_helper): Change return
1309 type to bool. Add pversion parameter. Change all callers.
1310 (script_register_vers_node): Don't require a non-NULL tag.
1311 * script.h (class Version_script_info): Update declarations.
1312 (Version_script_info::get_symbol_version): Change return type to
1313 bool. Add version parameter. Change all callers.
1314 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
1315 handling. Handle an empty version from a version script.
1316 (Symbol_table::define_special_symbol): Likewise.
1317 * testsuite/ver_test_10.script: New file.
1318 * testsuite/ver_test_10.sh: New file.
1319 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
1320 (check_DATA): Add ver_test_10.syms.
1321 (ver_test_10.syms, ver_test_10.so): New target.
1322 * testsuite/Makefile.in: Rebuild.
1323
58e54ac2
CD		 13242008-07-23 Simon Baldwin <simonb@google.com>
1325
1326 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
1327 to zero for undefined symbols from dynamic libraries.
1328
95d14cd3
ILT		 13292008-07-23 Ian Lance Taylor <iant@google.com>
1330
1331 * symtab.cc (Symbol_table::resolve): Remove version parameter.
1332 Change all callers.
1333 * symtab.h (class Symbol_table): Update declaration.
1334 * testsuite/ver_test_9.cc: New file.
1335 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
1336 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
1337 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
1338 (ver_test_9.so, ver_test_9.o): New targets.
1339 * testsuite/Makefile.in: Rebuild.
1340
92de84a6
ILT		 13412008-07-22 Ian Lance Taylor <iant@google.com>
1342
34810851
ILT		 1343 * options.h (class General_options): Define --check-sections.
1344 * layout.cc (Layout::set_segment_offsets): Handle
1345 --check-sections.
1346
af6156ef
ILT		 1347 * options.h (class General_options): Define -n/--nmagic and
1348 -N/--omagic.
1349 * options.cc (General_options::finalize): For -n/--nmagic or
1350 -N/--omagic, set -static.
1351 * layout.cc (Layout::attach_allocated_section_to_segment): If
1352 -N/--omagic, don't put read-only and read-write sections in
1353 different segments.
1354 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
1355 finding a read-only segment.
1356 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
1357 don't set the minimum segment alignment to the common page size,
1358 and don't set the file offset to the address modulo the page size.
1359 * script-sections.cc (Script_sections::create_segments): If
1360 -n/--omagic, don't put read-only and read-write sections in
1361 different segments.
1362
92de84a6
ILT		 1363 * cref.cc: New file.
1364 * cref.h: New file.
1365 * options.h (class General_options): Add --print-symbol-counts.
1366 * main.cc (main): Issue defined symbol report if requested.
1367 * archive.cc (Archive::interpret_header): Make into a const member
1368 function.
1369 (Archive::add_symbols): Call Input_objects::archive_start and
1370 archive_stop.
1371 (Archive::const_iterator): Define new class.
1372 (Archive::begin, Archive::end): New functions.
1373 (Archive::include_all_members): Rewrite to use iterator.
1374 (Archive::count_members): New function.
1375 * archive.h (class Archive): Update declarations.
1376 (Archive::filename): New function.
1377 * object.cc: Include "cref.h".
1378 (Sized_relobj::Sized_relobj): Initialize defined_count_.
1379 (Sized_relobj::do_get_global_symbol_counts): New function.
1380 (Input_objects::add_object): Add object to cross-referencer.
1381 (Input_objects::archive_start): New function.
1382 (Input_objects::archive_stop): New function.
1383 (Input_objects::print_symbol_counts): New function.
1384 * object.h: Declare Cref and Archive.
1385 (Object::get_global_symbol_counts): New function.
1386 (Object::do_get_global_symbol_counts): New pure virtual function.
1387 (class Sized_relobj): Add defined_count_ field. Update
1388 declarations.
1389 (class Input_objects): Add cref_ field. Update constructor.
1390 Update declarations.
1391 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
1392 defined_count_.
1393 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
1394 symbol counts.
1395 (Sized_dynobj::do_get_global_symbol_counts): New function.
1396 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
1397 defined_count_. Update declarations. Define Symbols typedef.
1398 * symtab.cc (Symbol_table::add_from_relobj): Add defined
1399 parameter. Change all callers.
1400 (Symbol_table::add_from_dynobj): Add sympointers and defined
1401 parameters. Change all callers.
1402 * symtab.h (class Symbol_table): Update declarations.
1403 * Makefile.am (CCFILES): Add cref.cc.
1404 (HFILES): Add cref.h.
1405 * Makefile.in: Rebuild.
1406
3f7c5e1d
CD		 14072008-07-22 Simon Baldwin <simonb@google.com>
1408
1409 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
1410 to zero when writing undefined symbols.
1411
e0b64032
ILT		 14122008-07-22 Ian Lance Taylor <iant@google.com>
1413
1414 * output.cc (Output_section::add_input_section): Don't try to
1415 merge empty merge sections.
1416
096b02cf
CS		 14172008-07-21 Craig Silverstein <csilvers@google.com>
1418
1419 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1420 Include symbol version in error message.
cd536b21 1421
1d1f116d
CD		 14222008-07-20 Chris Demetriou <cgd@google.com>
1423
cd536b21 1424 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 1425 (RANDOM_SEED_CFLAGS): New substituted variable.
1426 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
1427 * configure: Rebuild.
1428 * Makefile.in: Likewise.
1429 * testsuite/Makefile.in: Likewise.
1430
a18f591e
ILT		 14312008-07-18 Ian Lance Taylor <iant@google.com>
1432
1433 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
1434 where we see NAME/NULL and NAME/VERSION as separate symbols.
1435 * testsuite/ver_test_main.cc (main): Call t4.
1436 (t4, t4_2a): Define.
1437 * testsuite/ver_test_2.cc (t4_2): Define.
1438 * testsuite/ver_test_2.script: Put t4_2a in VER2.
1439 * testsuite/ver_test_4.cc (t4_2a): Define.
1440 * testsuite/ver_test_4.script: Put t4_2a in VER2.
1441 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
1442
c6e3f6ed
ILT		 14432008-07-17 Ian Lance Taylor <iant@google.com>
1444
1445 * dynobj.cc (Versions::add_def): If we give an error about a
1446 missing version, go ahead and create the version anyhow.
1447
ef9beddf
ILT		 14482008-07-10 Ian Lance Taylor <iant@google.com>
1449
1450 Handle output sections with more than 0x7fffffff bytes.
1451 * object.h (class Relobj): Change map_to_output_ to
1452 output_sections_, and just keep a section pointer. Change all
1453 uses. Move comdat group support to Sized_relobj.
1454 (Relobj::is_section_specially_mapped): Remove.
1455 (Relobj::output_section): Remove poff parameter. Change all
1456 callers.
1457 (Relobj::output_section_offset): New function.
1458 (Relobj::set_section_offset): Rewrite.
1459 (Relobj::map_to_output): Remove.
1460 (Relobj::output_sections): New function.
1461 (Relobj::do_output_section_offset): New pure virtual function.
1462 (Relobj::do_set_section_offset): Likewise.
1463 (class Sized_relobj): Add section_offsets_ field. Add comdat
1464 group support from Relobj. Update declarations.
1465 (Sized_relobj::get_output_section_offset): New function.
1466 (Sized_relobj::do_output_section_offset): New function.
1467 (Sized_relobj::do_set_section_offset): New function.
1468 * object.cc (Relobj::output_section_address): Remove.
1469 (Sized_relobj::Sized_relobj): Initialize new fields.
1470 (Sized_relobj::include_section_group): Cast find_kept_object to
1471 Sized_relobj.
1472 (Sized_relobj::include_linkonce_section): Likewise.
1473 (Sized_relobj::do_layout): Use separate arrays for output section
1474 and output offset.
1475 (Sized_relobj::do_count_local_symbols): Change map_to_output to
1476 output_sections.
1477 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
1478 output_sections and section_offsets.
1479 (Sized_relobj::write_local_symbols): Likewise.
1480 (map_to_kept_section): Compute output address directly.
1481 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
1482 output_sections and section_offsets.
1483 (Sized_relobj::write_sections): Likewise.
1484 (Sized_relobj::relocate_sections): Likewise.
1485 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
1486 * output.h (class Output_reloc): Update declarations. Change
1487 u2_.relobj to Sized_relobj*.
1488 (class Output_data_reloc): Change add functions to use
1489 Sized_relobj*.
1490 * output.cc (Output_reloc::Output_reloc): Change relobj to
1491 Sized_relobj*.
1492 (Output_reloc::local_section_offset): Change return type to
1493 Elf_Addr. Use get_output_section_offset.
1494 (Output_reloc::get_address): Likewise.
1495 (Output_section::is_input_address_mapped): Don't call
1496 is_section_specially_mapped.
1497 (Output_section::output_offset): Likewise.
1498 (Output_section::output_address): Likewise.
1499 (Output_section::starting_output_address): Likewise.
1500 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
1501 parameter to Sized_relobj*.
1502 (Copy_relocs::need_copy_reloc): Likewise.
1503 (Copy_relocs::save): Likewise.
1504 * copy-relocs.h (class Copy_relocs): Update declarations.
1505 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
1506 Sized_relobj*. Change relobj_ field to Sized_relobj*.
1507 * target-reloc.h (relocate_for_relocatable): Change
1508 offset_in_output_section type to Elf_Addr. Change code that uses
1509 it as well.
1510 * layout.cc (Layout::layout): Always set *off.
1511 * mapfile.cc (Mapfile::print_input_section): Use
1512 output_section_offset.
1513 * i386.cc (Target_i386::copy_reloc): Change object parameter to
1514 Sized_relobj*.
1515 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
1516 * sparc.cc (Target_sparc::copy_reloc): Likewise.
1517 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
1518
5cb66f97
ILT		 15192008-07-03 Ian Lance Taylor <iant@google.com>
1520
1521 * layout.cc (Layout::include_section): Do not discard unrecognized
1522 SHT_STRTAB sections.
1523
afe47622
CS		 15242008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
1525
1526 * script.cc (Lex::can_continue_name): Make '?' allowable in
1527 version-script names.
1528 * testsuite/version_script.map: Change glob pattern to use '?'
1529
5adf9721
ILT		 15302008-06-30 Manish Singh <yosh@gimp.org>
1531
1532 PR 6585
1533 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
1534 Correct typo.
1535
e6fde208
ILT		 15362008-06-30 Ian Lance Taylor <iant@google.com>
1537
1538 PR 6660
1539 PR 6682
1540 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
1541 versions]: Don't try to read the value in the contents, since we
1542 don't use it. Use the template endianness when writing.
1543
3f2e6a2d
CC		 15442008-06-25 Cary Coutant <ccoutant@google.com>
1545
1546 * fileread.cc (File_read::make_view): Assert on zero-length view.
1547 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
1548 symbol table when there are no symbols to read.
1549
c43d3a48
CS		 15502008-06-23 Craig Silverstein <csilvers@google.com>
1551
1552 * version.cc (version_string): Bump to 1.7
1553
5f494ea0
CS		 15542008-06-18 Craig Silverstein <csilvers@google.com>
1555
1556 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
1557 constant 0xFFFF to type Valtype.
1558 (Powerpc_relocate_functions::rel16_ha): Likewise.
1559
c42e122e
ILT		 15602008-06-17 Ian Lance Taylor <iant@google.com>
1561
f34787f8
ILT		 1562 * output.h (Output_section::Input_section): Initialize p2align_ to
1563 zero for Output_section_data constructors.
1564 (Output_section::Input_section::addralign): If not an input
1565 section, return the alignment of the Output_section_data.
1566 * testsuite/copy_test.cc: New file.
1567 * testsuite/copy_test_1.cc: New file.
1568 * testsuite/copy_test_2.cc: New file.
1569 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
1570 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
1571 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
1572 (copy_test_1_pic.o, copy_test_1.so): New targets.
1573 (copy_test_2_pic.o, copy_test_2.so): New targets.
1574 * testsuite/Makefile.in: Rebuild.
1575
c42e122e
ILT		 1576 * script-sections.cc (Script_sections::place_orphan): Initialize
1577 local variable exact.
1578
ce3ac18a
DE		 15792008-06-13 David Edelsohn <edelsohn@gnu.org>
1580
1581 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
1582
42cacb20
DE		 15832008-06-12 David Edelsohn <edelsohn@gnu.org>
1584 David S. Miller <davem@davemloft.net>
1585
1586 * powerpc.cc: New file.
1587 * Makefile.am (TARGETSOURCES): Add powerpc.cc
1588 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
1589 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
1590 * Makefile.in: Rebuild.
1591
7b308235
ILT		 15922008-06-09 Ian Lance Taylor <iant@google.com>
1593
1594 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
1595 <exception>.
1596 (throwing, orig_terminate): New static variables.
1597 (terminate_handler): New static function.
1598 (t2): Set terminate handler.
1599
f0b886e3
ILT		 16002008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
1601
1602 PR 6584
cd536b21 1603 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 1604 alignment.
1605
3e90f135
CC		 16062008-05-30 Cary Coutant <ccoutant@google.com>
1607
1608 * archive.cc (Archive::include_all_members) Correct to step
1609 over symbol table and extended name table in thin archives.
1610
e09ad04a
ILT		 16112008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
1612
1613 PR 6407
1614 * target-reloc.h (relocate_for_relocatable): Fix new_offset
1615 calculation.
1616
62b01cb5
ILT		 16172008-05-28 Caleb Howe <cshowe@google.com>
1618
1619 * reduced_debug_output.cc: New file.
1620 * reduced_debug_output.h: New file.
92de84a6 1621 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 1622 * options.cc (General_options::finalize): Add strip_debug_non_line
1623 to the strip heirarchy.
1624 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
1625 fields.
1626 * layout.cc: Include "reduced_debug_output.h".
1627 (Layout::Layout): Initialize new fields.
1628 (line_only_debug_sections): New static array.
1629 (is_lines_only_debug_sections): New static inline function.
1630 (Layout::include_section): Handle --strip-debug-non-line.
1631 (Layout::make_output_section): If --strip-debug-non-line, build
1632 new output sections for .debug_abbrev and .debug_info.
1633 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
1634 gold. Warn about possible overflow.
1635 (read_signed_LEB_128): Likewise.
1636 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
1637 (read_signed_LEB_128): Declare.
1638 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
1639 (HFILES): Add reduced_debug_output.h.
1640 * Makefile.in: Rebuild.
1641
7d9e3d98
ILT		 16422008-05-21 Ian Lance Taylor <iant@google.com>
1643
1644 * mapfile.cc: New file.
1645 * mapfile.h: New file.
1646 * options.h (class General_options): Add -M/--print-map and -Map.
1647 * options.cc (General_options::finalize): Make -M equivalent to
1648 -Map -.
1649 * main.cc: Include <cstdio> and "mapfile.h".
1650 (main): Open mapfile if requested.
1651 * gold.cc (class Middle_runner): Add mapfile_ field. Update
1652 constructor. Change caller.
1653 (queue_initial_tasks): Add mapfile parameter. Change caller.
1654 (queue_middle_tasks): Likewise.
1655 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
1656 declarations.
1657 * archive.cc: Include "mapfile.h".
1658 (Archive::add_symbols): Add mapfile parameter. Change all
1659 callers. Pass mapfile, symbol, and reason to include_member.
1660 (Archive::include_all_members): Add mapfile parameter. Change all
1661 callers.
1662 (Archive::include_member): Add mapfile, sym, and why parameters.
1663 Change all callers. Report inclusion to map file.
1664 * archive.h: Include "fileread.h".
1665 (class Archive): Update declarations.
1666 (Archive::file): New const method.
1667 (class Add_archive_symbols): Add mapfile_ field. Update
1668 constructor. Change all callers.
1669 * readsyms.h (class Read_symbols): Likewise.
1670 (class Finish_group): Likewise.
1671 (class Read_script): Likewise.
1672 * common.cc: Include "mapfile.h".
1673 (Symbol_table::allocate_commons): Add mapfile parameter. Change
1674 all callers.
1675 (Symbol_table::do_allocate_commons): Likewise.
1676 (Symbol_table::do_allocate_commons_list): Likewise. Report common
1677 symbol allocation to mapfile.
1678 * common.h (class Allocate_commons_task): Add mapfile_ field.
1679 Update constructor. Change all callers.
1680 * symtab.h (class Symbol_table): Update declarations.
1681 * layout.cc: Include "mapfile.h".
1682 (Layout_task_runner::run): Print information to mapfile.
1683 (Layout::create_gold_note): Change Output_data_fixed_space to
1684 Output_data_zero_fill.
1685 (Layout::create_build_id): Likewise.
1686 (Layout::print_to_mapfile): New function.
1687 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
1688 constructor. Change caller.
1689 (class Layout): Declare print_to_mapfile.
1690 * output.cc (Output_section::Input_section::print_to_mapfile): New
1691 function.
1692 (Output_section::add_input_section): If producing a map, always
1693 add to input_sections_ list.
1694 (Output_section::do_print_to_mapfile): New function.
1695 (Output_segment::print_sections_to_mapfile): New function.
1696 (Output_segment::print_section_list_to_mapfile): New function.
1697 * output.h: Include "mapfile.h".
1698 (Output_data::print_to_mapfile): New function.
1699 (Output_data::do_print_to_mapfile): New virtual function.
1700 (Output_segment_headers::do_print_to_mapfile): New function.
1701 (Output_file_header::do_print_to_mapfile): New function.
1702 (Output_data_const::do_print_to_mapfile): New function.
1703 (class Output_data_const_buffer): Add map_name_ field. Update
1704 constructor. Change all callers. Add do_print_to_mapfile
1705 function.
1706 (class Output_data_fixed_space): Likewise.
1707 (class Output_data_space): Likewise.
1708 (class Output_data_zero_fill): New class.
1709 (Output_data_strtab::do_print_to_mapfile): New function.
1710 (Output_data_reloc_base::do_print_to_mapfile): New function.
1711 (Output_relocatable_relocs::do_print_to_mapfile): New function.
1712 (Output_data_group::do_print_to_mapfile): New function.
1713 (Output_data_got::do_print_to_mapfile): New function.
1714 (Output_data_dynamic::do_print_to_mapfile): New function.
1715 (Output_symtab_xindex::do_print_to_mapfile): New function.
1716 (class Output_section): Declare do_print_to_mapflie. Declare
1717 print_to_mapfile in Input_section.
1718 (class Output_segment): Declare new functions.
1719 * object.h (Sized_relobj::symbol_count): New function.
1720 * script-sections.cc
1721 (Output_section_element_dot_assignment::set_section_addresses):
1722 Change Output_data_fixed_space to Output_data_zero_fill.
1723 (Output_data_expression::do_print_to_mapfile): New function.
1724 * script.cc (read_input_script): Add mapfile parameter. Change
1725 all callers.
1726 * script.h (read_input_script): Update declaration.
1727 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
1728 (Eh_frame::do_print_to_mapfile): New function.
1729 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
1730 (Output_merge_string::do_print_to_mapfile): New function.
1731 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
1732 function.
1733 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
1734 function.
1735 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
1736 function.
1737 * Makefile.am (CCFILES): Add mapfile.cc.
1738 (HFILES): Add mapfile.h.
1739 * Makefile.in: Rebuild.
1740
9f1d377b
ILT		 17412008-05-19 Ian Lance Taylor <iant@google.com>
1742
1743 * options.h (class General_options): Add -z relro.
1744 * layout.cc (Layout::Layout): Initialize relro_segment_.
1745 (Layout::add_output_section_data): Return the output section.
1746 (Layout::make_output_section): Rcognize relro sections and mark
1747 them appropriately.
1748 (Layout::attach_allocated_section_to_segment): Put relro sections
1749 in a PT_GNU_RELRO segment.
1750 (Layout::create_initial_dynamic_sections): Mark the .dynamic
1751 section as relro.
1752 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
1753 PT_TLS segments.
1754 (Layout::linkonce_mapping): Map d.rel.ro.local to
1755 .data.rel.ro.local.
1756 (Layout::output_section_name): Us .data.rel.ro.local for any
1757 section which begins with that.
1758 * layout.h (class Layout): Update add_output_section_data
1759 declaration. Add relro_segment_ field.
1760 * output.cc (Output_section::Output_section): Initialize is_relro_
1761 and is_relro_local_ fields.
1762 (Output_segment::add_output_section): Group relro sections.
1763 (Output_segment::is_first_section_relro): New function.
1764 (Output_segment::maximum_alignment): If there is a relro section,
1765 align the segment to the common page size.
1766 (Output_segment::set_section_addresses): Track whether we are
1767 looking at relro sections. If the last section is a relro
1768 section, align to the common page size.
1769 (Output_segment::set_section_list_addresses): Add in_relro
1770 parameter. Change all callers. Align to the page size when
1771 moving from relro to non-relro section.
1772 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
1773 segment.
1774 * output.h (class Output_section): Add is_relro_ and
1775 is_relro_local_ fields.
1776 (Output_section::is_relro): New function.
1777 (Output_section::set_is_relro): New function.
1778 (Output_section::is_relro_local): New function.
1779 (Output_section::set_is_relro_local): New function.
1780 (class Output_segment): Update declarations.
1781 * i386.cc (Target_i386::got_section): Mark .got section as relro.
1782 * sparc.cc (Target_sparc::got_section): Likewise.
1783 * x86_64.cc (Target_x86_64::got_section): Likewise.
1784 * testsuite/relro_test_main.cc: New file.
1785 * testsuite/relro_test.cc: New file.
1786 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
1787 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
1788 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
1789 (relro_test.so, relro_test_pic.o): New targets.
1790 * testsuite/Makefile.in: Rebuild.
1791
a984ee1d
ILT		 17922008-05-16 Ian Lance Taylor <iant@google.com>
1793
01676dcd
ILT		 1794 * output.cc (Output_segment::add_output_section): Remove front
1795 parameter.
1796 * output.h (class Output_segment): Remove
1797 add_initial_output_section and overloaded add_output_section.
1798 Update declaration of remaining add_output_section.
1799 * layout.cc (Layout::create_interp): Call add_output_section
1800 rather than add_initial_output_section.
1801 (Layout::finish_dynamic_section): Likewise.
1802
497897f9
ILT		 1803 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
1804 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
1805 know the dynamic type.
1806 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
1807 field. Initialize it in constructor.
1808 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
1809 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
1810 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
1811 reloc.
1812
a984ee1d
ILT		 1813 * output.cc (Output_reloc::get_address): Change return type to
1814 Elf_Addr.
1815 * output.h (class Output_reloc): Update get_address declaration.
1816 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
1817 for section addresses.
1818
55ba0940
ILT		 18192008-05-09 Ian Lance Taylor <iant@google.com>
1820
1821 PR 6493
1822 * gold.cc (gold_nomem): Use return value of write.
1823
75517b77
ILT		 18242008-05-08 Ian Lance Taylor <iant@google.com>
1825
1826 * symtab.c (Symbol::init_base_output_data): Add version
1827 parameter. Change all callers.
1828 (Symbol::init_base_output_segment): Likewise.
1829 (Symbol::init_base_constant): Likewise.
1830 (Symbol::init_base_undefined): Likewise.
1831 (Sized_symbol::init_output_data): Likewise.
1832 (Sized_symbol::init_output_segment): Likewise.
1833 (Sized_symbol::init_constant): Likewise.
1834 (Sized_symbol::init_undefined): Likewise.
1835 (Symbol_table::do_define_in_output_data): If the new symbol has a
1836 version, mark it as the default.
1837 (Symbol_table::do_define_in_output_segment): Likewise.
1838 (Symbol_table::do_define_as_constant): Likewise.
1839 * symtab.h (class Symbol): Update declarations.
1840 (class Sized_symbol): Likewise.
1841 * resolve.cc (Symbol::override_version): New function.
c42e122e 1842 (Symbol::override_base): Call override_version.
75517b77
ILT		 1843 (Symbol::override_base_with_special): Likewise.
1844 * testsuite/ver_script_8.script: New file.
1845 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
1846 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
1847 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
1848 (ver_test_8_1.so, ver_test_8_2.so): New targets.
1849
f1f70eae
ILT		 18502008-05-06 Ian Lance Taylor <iant@google.com>
1851
f3e9c5c5
ILT		 1852 PR 6049
1853 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
1854 functions.
1855 (class General_options): Remove existing --undefined, and add
1856 --no-undefined instead. Add new --undefined as synonym for -u.
1857 * archive.cc (Archive::add_symbols): Check whether symbol was
1858 named with -u.
1859 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
1860 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
1861 all uses. Add IS_UNDEFINED. Update declarations to split
1862 different versions of init_base. Declare init_base_undefined.
1863 (Symbol::is_defined): Handle IS_UNDEFINED.
1864 (Symbol::is_undefined): Likewise.
1865 (Symbol::is_weak_undefined): Call is_undefined.
1866 (Symbol::is_absolute): Handle IS_CONSTANT.
1867 (class Sized_symbol): Update declarations to split different
1868 versions of init. Declare init_undefined.
1869 (class Symbol_table): Declare new functions.
1870 * symtab.cc (Symbol::init_base_object): Rename from init_base.
1871 Change all callers.
1872 (Symbol::init_base_output_data): Likewise.
1873 (Symbol::init_base_output_segment): Likewise.
1874 (Symbol::init_base_constant): Likewise.
1875 (Symbol::init_base_undefined): New function.
1876 (Sized_symbol::init_object): Rename from init. Change all
1877 callers.
1878 (Sized_symbol::init_output_data): Likewise.
1879 (Sized_symbol::init_output_segment): Likewise.
1880 (Sized_symbol::init_constant): Likewise.
1881 (Sized_symbol::init_undefined): New function.
1882 (Symbol_table::add_undefined_symbols_from_command_line): New
1883 function.
1884 (Symbol_table::do_add_undefined_symbols_from_command_line): New
1885 function.
1886 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
1887 (Symbol::output_section): Likewise.
1888 (Symbol::set_output_section): Likewise.
1889 (Symbol_table::sized_finalize_symbol): Likewise.
1890 (Symbol_table::sized_write_globals): Likewise.
1891 * resolve.cc (Symbol_table::should_override): Likewise.
1892 (Symbol::override_base_with_special): Likewise.
1893
8bdcdf2c
ILT		 1894 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
1895 symbol, change it to have default visibility.
1896 * testsuite/protected_1.cc: New file.
1897 * testsuite/protected_2.cc: New file.
1898 * testsuite/protected_3.cc: New file.
1899 * testsuite/protected_main_1.cc: New file.
1900 * testsuite/protected_main_2.cc: New file.
1901 * testsuite/protected_main_3.cc: New file.
1902 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
1903 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
1904 (protected_1_LDFLAGS, protected_1_LDADD): Define.
1905 (protected_1.so): New target.
1906 (protected_1_pic.o, protected_2_pic.o): New targets.
1907 (protected_3_pic.o): New target.
1908 (check_PROGRAMS): Add protected_2.
1909 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
1910 (protected_2_LDFLAGS, protected_2_LDADD): Define.
1911 * testsuite/Makefile.in: Rebuild.
1912
2b706932
ILT		 1913 * options.h (DEFINE_var): Add set_user_set_##varname__.
1914 (DEFINE_bool_alias): New macro.
1915 (class General_options): Define -Bstatic using DEFINE_bool_alias
1916 rather than DEFINE_special. Add --undefined as an alias for -z
1917 defs.
1918 * options.cc (General_options::parse_Bstatic): Remove.
1919
d82a5bcc
ILT		 1920 * options.h (class General_options): Add --fatal-warnings.
1921 * main.cc (main): Implement --fatal-warnings.
1922 * errors.h (Errors::warning_count): New function.
1923
f1f70eae
ILT		 1924 * options.h (class General_options): Add -Bsymbolic-functions.
1925 * symtab.h (Symbol::is_preemptible): Check for
1926 -Bsymbolic-functions.
1927
8825ac63
ILT		 19282008-05-05 Ian Lance Taylor <iant@google.com>
1929
d98bc257
ILT		 1930 * options.h (DEFINE_bool): For DASH_Z, create the negative option
1931 as noVARNAME rather than no-VARNAME.
1932 (class General_options): Add option -z combreloc.
1933 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
1934 get_address.
1935 (Output_reloc::sort_before) [SHT_REL]: New function.
1936 (Output_reloc::sort_before) [SHT_RELA]: New function.
1937 (class Output_data_reloc_base): Add sort_relocs_ field. Define
1938 Sort_relocs_comparison.
1939 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
1940 parameter. Change all callers.
1941 (Output_data_reloc::Output_data_reloc) [both versions]: Add
1942 sort_relocs parameter. Change all callers.
1943 * output.cc (Output_reloc::get_address): New function, broken out
1944 of write_rel.
1945 (Output_reloc::write_rel): Call it.
1946 (Output_reloc::compare): New function.
1947 (Output_data_reloc_base::do_write): Optionally sort relocs.
1948
60b2b4e7
ILT		 1949 * configure.ac: If targ_extra_obj is set, link it in.
1950 * configure.tgt: Initialize all variables.
1951 (x86_64*): Set targ_extra_obj and targ_extra_size.
1952 * configure: Rebuild.
1953
8825ac63
ILT		 1954 * object.cc (Sized_relobj::include_section_group): Adjust section
1955 indexes read from group data. Build vector to pass to
1956 layout_group.
1957 * layout.cc (Layout::layout_group): Add flags and shndxes
1958 parameters. Remove contents parameter. Change caller. Update
1959 explicit instantiations.
1960 * layout.h (class Layout): Update layout_group declaration.
1961 * output.cc (Output_data_group::Output_data_group): Add flags and
1962 input_shndxes parameters. Remove contents parameter. Change
1963 caller.
1964 (Output_data_group::do_write): Change input_sections_ to
1965 input_shndxes_.
1966 * output.h (class Output_data_group): Update constructor
1967 declaration. Rename input_sections_ to input_shndxes_.
1968 * testsuite/many_sections_test.cc: Add template.
1969
e94cf127
CC		 19702008-04-30 Cary Coutant <ccoutant@google.com>
1971
4418b2d5
CC		 1972 * target-reloc.h (relocate_section): Fix dead-pointer bug.
1973
e94cf127
CC		 1974 * layout.cc (Layout::include_section): Refactored check for debug
1975 info section.
1976 (Layout::add_comdat): Add new parameters. Change type
1977 of signature parameter. Add object and shndx to signatures table.
1978 (Layout::find_kept_object): New function.
1979 * layout.h: Include <cstring>.
1980 (Layout::is_debug_info_section): New function.
1981 (Layout::add_comdat): Add new parameters.
1982 (Layout::find_kept_object): New function.
1983 (Layout::Kept_section): New struct.
1984 (Layout::Signatures): Change type of map range.
1985 * object.cc (Relobj::output_section_address): New function.
1986 (Sized_relobj::include_section_group): Add new parameters. Change
1987 calls to Layout::add_comdat. Change to build table of kept comdat
1988 groups and table mapping discarded sections to kept sections.
1989 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
1990 (Sized_relobj::do_layout): Change calls to include_section_group and
1991 include_linkonce_section.
1992 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
1993 value to zero when section is discarded.
1994 (Sized_relobj::map_to_kept_section): New function.
1995 * object.h (Relobj::output_section_address): New function.
1996 (Relobj::Comdat_group): New type.
1997 (Relobj::find_comdat_group): New function.
1998 (Relobj::Comdat_group_table): New type.
1999 (Relobj::Kept_comdat_section): New type.
2000 (Relobj::Kept_comdat_section_table): New type.
2001 (Relobj::add_comdat_group): New function.
2002 (Relobj::set_kept_comdat_section): New function.
2003 (Relobj::get_kept_comdat_section): New function.
2004 (Relobj::comdat_groups_): New field.
2005 (Relobj::kept_comdat_sections_): New field.
2006 (Symbol_value::input_value): Update comment.
2007 (Sized_relobj::map_to_kept_section) New function.
2008 (Sized_relobj::include_linkonce_section): Add new parameter.
2009 * target-reloc.h (Comdat_behavior): New type.
2010 (get_comdat_behavior): New function.
2011 (relocate_section): Add code to map a discarded section to the
2012 corresponding kept section when applying a relocation.
2013
e4e5049b
CS		 20142008-04-30 Craig Silverstein <csilvers@google.com>
2015
2016 * dwarf_reader.cc (next_generation_count): New static var.
2017 (Addr2line_cache_entry): New struct.
2018 (addr2line_cache): New static var.
2019 (Dwarf_line_info::one_addr2line): Added caching.
2020 (Dwarf_line_info::clear_addr2line_cache): New function.
2021 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
2022 cache-size parameter.
2023 (Dwarf_line_info::one_addr2line_cache): New function.
2024 * symtab.cc (Symbol_table::detect_odr_violations): Pass
2025 new cache-size argument to one_addr2line(), and clear cache.
2026
d09e9154
CC		 20272008-04-28 Cary Coutant <ccoutant@google.com>
2028
2029 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
2030 R_386_PC8 relocations.
2031
7ef73768
ILT		 20322008-04-23 Ian Lance Taylor <iant@google.com>
2033
55438702
ILT		 2034 * object.cc (Sized_relobj::include_section_group): Check for
2035 invalid section group.
2036
c165fb93
ILT		 2037 * object.cc (make_elf_object): Correct test for 64-bit ELF file
2038 header size.
2039
7ef73768
ILT		 2040 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
2041 than read for file header.
2042 * archive.cc (Archive::include_member): Likewise.
2043
6194aaab
L		 20442008-04-23 Paolo Bonzini <bonzini@gnu.org>
2045
2046 * aclocal.m4: Regenerate.
2047 * configure: Regenerate.
2048
d491d34e
ILT		 20492008-04-19 Ian Lance Taylor <iant@google.com>
2050
5ea2bac6
ILT		 2051 * version.cc (version_string): Bump to 1.6.
2052
7bc3e21a
ILT		 2053 * testsuite/Makefile.am (many_sections_r_test): New target.
2054 (many_sections_r_test_SOURCES): Remove.
2055 (many_sections_r_test_DEPENDENCIES): Remove.
2056 (many_sections_r_test_LDFLAGS): Remove.
2057 (many_sections_r_test_LDADD): Remove.
2058
7fcd3aa9
ILT		 2059 * object.cc (Sized_relobj::do_add_symbols): Always pass
2060 local_symbol_count_ to add_from_relobj.
2061
4c94d6ae
ILT		 2062 * testsuite/Makefile.am (many_sections_check.h): Only check one in
2063 every thousand variables.
2064 * testsuite/Makefile.in: Rebuild.
2065
d491d34e
ILT		 2066 * object.cc (Xindex::initialize_symtab_xindex): New function.
2067 (Xindex::read_symtab_xindex): New function.
2068 (Xindex::sym_xindex_to_shndx): New function.
2069 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
2070 available.
2071 (Sized_relobj::do_initialize_xindex): New function.
2072 (Sized_relobj::do_read_symbols): Adjust section links.
2073 (Sized_relobj::symbol_section_and_value): Add is_ordinary
2074 parameter. Change all callers.
2075 (Sized_relobj::include_section_group): Adjust section links and
2076 symbol section indexes.
2077 (Sized_relobj::do_layout): Adjust section links.
2078 (Sized_relobj::do_count_local_symbols): Adjust section links and
2079 symbol section indexes.
2080 (Sized_relobj::do_finalize_local_symbols): Distinguish between
2081 ordinary and special symbols.
2082 (Sized_relobj::write_local_symbols): Add symtab_xindex and
2083 dynsym_xindex parameters. Change all callers. Adjust section
2084 links. Use SHN_XINDEX when needed.
2085 (Sized_relobj::get_symbol_location_info): Adjust section links.
2086 Don't get fooled by special symbols.
2087 * object.h (class Xindex): Define.
2088 (class Object): Add xindex_ parameter. Declare virtual functoin
2089 do_initialize_xindex.
2090 (Object::adjust_sym_shndx): New function.
2091 (Object::set_xindex): New protected function.
2092 (class Symbol_value): Add is_ordinary_shndx_ field.
2093 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
2094 (Symbol_value::value): Assert ordinary section.
2095 (Symbol_value::initialize_input_to_output_map): Likewise.
2096 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
2097 Change all callers.
2098 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
2099 all callers.
2100 (class Sized_relobj): Update declarations.
2101 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
2102 parameter. Change all callers.
2103 (Sized_relobj::adjust_shndx): New function.
2104 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
2105 field.
2106 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
2107 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
2108 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
2109 (Sized_dynobj::read_dynsym_section): Adjust section links.
2110 (Sized_dynobj::read_dynamic): Likewise.
2111 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
2112 section links.
2113 (Sized_dynobj::do_initialize_xindex): New function.
2114 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
2115 do_initialize_xindex.
2116 (Sized_dynobj::adjust_shndx): New function.
2117 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
2118 dynsym_xindex_ fields.
2119 (Layout::finalize): Add a call to set_section_indexes before
2120 creating the symtab sections.
2121 (Layout::set_section_indexes): Don't do anything if the section
2122 already has a section index.
2123 (Layout::create_symtab_sections): Add shnum parameter. Change
2124 caller. Create .symtab_shndx section if needed.
2125 (Layout::create_shdrs): Add shstrtab_section parameter. Change
2126 caller.
2127 (Layout::allocated_output_section_count): New function.
2128 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
2129 needed.
2130 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
2131 fields. Update declarations.
2132 (Layout::symtab_xindex): New function.
2133 (Layout::dynsym_xindex): New function.
2134 (class Write_symbols_task): Add layout_ field.
2135 (Write_symbols_task::Write_symbols_task): Add layout parameter.
2136 Change caller.
2137 * output.cc (Output_section_headers::Output_section_headers): Add
2138 shstrtab_section parameter. Change all callers.
2139 (Output_section_headers::do_sized_write): Store overflow values
2140 for section count and section string table section index in
2141 section header zero.
2142 (Output_file_header::do_sized_write): Check for overflow of
2143 section count and section string table section index.
2144 (Output_symtab_xindex::do_write): New function.
2145 (Output_symtab_xindex::endian_do_write): New function.
2146 * output.h (class Output_section_headers): Add shstrtab_section_.
2147 Update declarations.
2148 (class Output_symtab_xindex): Define.
2149 (Output_section::has_out_shndx): New function.
2150 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
2151 field.
2152 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
2153 Change all callers.
2154 (Sized_symbol::init): Likewise.
2155 (Symbol::output_section): Check for ordinary symbol.
2156 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
2157 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
2158 callers.
2159 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
2160 Change all callers. Simplify handling of symbols from sections
2161 not included in the link.
2162 (Symbol_table::add_from_dynobj): Handle ordinary symbol
2163 distinction.
2164 (Weak_alias_sorter::operator()): Assert that symbols are
2165 ordinary.
2166 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
2167 distinction.
2168 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
2169 parameters. Change all callers.
2170 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
2171 symbol distinction. Use SHN_XINDEX when needed.
2172 (Symbol_table::write_section_symbol): Add symtab_xindex
2173 parameter. Change all callers.
2174 (Symbol_table::sized_write_section_symbol): Likewise. Use
2175 SHN_XINDEX when needed.
2176 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
2177 declarations.
2178 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
2179 (Symbol::is_defined): Check is_ordinary.
2180 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
2181 (Symbol::is_absolute, Symbol::is_common): Likewise.
2182 (class Sized_symbol): Update declarations.
2183 (class Symbol_table): Update declarations.
2184 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
2185 parameters. Change all callers.
2186 (Sized_symbol::override): Likewise.
2187 (Symbol_table::override): Likewise.
2188 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
2189 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
2190 is_ordinary, and orig_st_shndx parameters. Change all callers.
2191 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
2192 to be in an ordinary section.
2193 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
2194 object and is_ordinary parameters. Change all callers.
2195 (Sized_dwarf_line_info::read_relocs): Add object parameter.
2196 Change all callers. Don't add undefined or non-ordinary symbols
2197 to reloc_map_.
2198 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
2199 Change all callers.
2200 * dwarf_reader.h (class Sized_dwarf_line_info): Update
2201 declarations.
2202 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
2203 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
2204 (Sized_relobj::relocate_sections): Likewise.
2205 * target-reloc.h (scan_relocs): Adjust section symbol index.
2206 (scan_relocatable_relocs): Likewise.
2207 * i386.cc (Scan::local): Check for ordinary symbols.
2208 * sparc.cc (Scan::local): Likewise.
2209 * x86_64.cc (Scan::local): Likewise.
2210 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
2211 to symbol_section_and_value.
2212 * testsuite/many_sections_test.cc: New file.
2213 * testsuite/Makefile.am (BUILT_SOURCES): Define.
2214 (check_PROGRAMS): Add many_sections_test.
2215 (many_sections_test_SOURCES): Define.
2216 (many_sections_test_DEPENDENCIES): Define.
2217 (many_sections_test_LDFLAGS): Define.
2218 (BUILT_SOURCES): Add many_sections_define.h.
2219 (many_sections_define.h): New target.
2220 (BUILT_SOURCES): Add many_sections_check.h.
2221 (many_sections_check.h): New target.
2222 (check_PROGRAMS): Add many_sections_r_test.
2223 (many_sections_r_test_SOURCES): Define.
2224 (many_sections_r_test_DEPENDENCIES): Define.
2225 (many_sections_r_test_LDFLAGS): Define.
2226 (many_sections_r_test_LDADD): Define.
2227 (many_sections_r_test.o): New target.
2228 * testsuite/Makefile.in: Rebuild.
2229
c5818ff1
CC		 22302008-04-17 Cary Coutant <ccoutant@google.com>
2231
2232 * errors.cc (Errors::info): New function.
2233 (gold_info): New function.
2234 * errors.h (Errors::info): New function.
2235 * gold.h (gold_info): New function.
2236 * object.cc (Input_objects::add_object): Print trace output.
2237 * options.cc (options::parse_set): New function.
2238 (General_options::parse_wrap): Deleted.
2239 (General_options::General_options): Deleted initializer.
2240 * options.h (options::String_set): New typedef.
2241 (options::parse_set): New function.
2242 (DEFINE_set): New macro.
2243 (General_options::wrap): Changed to use DEFINE_set. Changed
2244 callers of any_wrap_symbols and is_wrap_symbol.
2245 (General_options::trace, General_options::trace_symbol):
2246 New options.
2247 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
2248 (General_options::wrap_symbols_): Deleted.
2249 * symtab.cc (Symbol_table::add_from_object): Print trace output.
2250
b5be4a7c
DM		 22512008-04-17 David S. Miller <davem@davemloft.net>
2252
2253 * options.cc (General_options::parse_V): New function.
2254 * options.h: Add entries for -V and -Qy.
2255
155a0dd7
ILT		 22562008-04-17 Ian Lance Taylor <iant@google.com>
2257
2258 * common.cc (Symbol_table::allocate_commons): Remove options
2259 parameter. Change caller.
2260 (Symbol_table::do_allocate_commons): Remove options parameter.
2261 Change caller. Just call do_allocate_commons_list twice.
2262 (Symbol_table::do_allocate_commons_list): New function, broken out
2263 of do_allocate_commons.
2264 * common.h (class Allocate_commons_task): Remove options_ field.
2265 Update constructor.
2266 * symtab.cc (Symbol_table::Symbol_table): Initialize
2267 tls_commons_.
2268 (Symbol_table::add_from_object): Put TLS common symbols on
2269 tls_commons_ list.
2270 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
2271 which are IN_OUTPUT_DATA.
2272 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
2273 allocate_commons and do_allocate_commons declarations. Declare
2274 do_allocate_commons_list.
2275 * gold.cc (queue_middle_tasks): Update creation of
2276 Allocate_commons_task to not pass options.
2277 * testsuite/Makefile.am (INCLUDES): Add -I.. .
2278 (TLS_TEST_C_FLAGS): New variable.
2279 (tls_test_c_pic.o): New target.
2280 (tls_test_shared.so): Link in tls_test_c_pic.o.
2281 (tls_test_c_pic_ie.o): New target.
2282 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
2283 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
2284 (tls_test_c.o): New target.
2285 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
2286 (tls_pic_test_LDADD): Likewise.
2287 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
2288 (tls_shared_gd_to_ie_test_LDADD): Likewise.
2289 (tls_test_c_gnu2.o): New target.
2290 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
2291 tls_test_c_gnu2.o.
2292 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
2293 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
2294 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
2295 * testsuite/tls_test.cc: Include "config.h".
2296 (t_last): Call t11_last.
2297 * testsuite/tls_test.h (t11, t11_last): Declare.
2298 * testsuite/tls_test_c.c: New file.
2299 * testsuite/tls_test_main.cc (thread_routine): Call t11.
2300 * configure.ac: Check for OpenMP support.
2301 * configure, config.in, Makefile.in: Rebuild.
2302 * testsuite/Makefile.in: Rebuild.
2303
edfbb029
CC		 23042008-04-16 Cary Coutant <ccoutant@google.com>
2305
2306 * i386.cc (Target_i386::define_tls_base_symbol): New function.
2307 (Target_i386::tls_base_symbol_defined_): New field.
2308 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2309 (Target_i386::Scan::global): Likewise.
2310 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
2311 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
2312 (Target_x86_64::tls_base_symbol_defined_): New field.
2313 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2314 (Target_x86_64::Scan::global): Likewise.
2315
f3c69fca
CC		 23162008-04-16 Cary Coutant <ccoutant@google.com>
2317
2318 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
2319 (Symbol::needs_plt_entry): Allow weak undefined symbols.
2320 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
2321 building shared libraries.
2322 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
2323 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
2324 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
2325 * testsuite/Makefile.in: Rebuild.
2326 * testsuite/weak_undef.h: New file.
2327 * testsuite/weak_undef_file1.cc: Add extra test cases.
2328 * testsuite/weak_undef_file2.cc: Likewise.
2329 * testsuite/weak_undef_test.cc: Likewise.
2330
7c414435
DM		 23312008-04-16 David S. Miller <davem@davemloft.net>
2332
32b769e1
DM		 2333 * sparc.cc (Target_sparc::Scan): Change from struct to class.
2334 Add issued_non_pic_error_ field. Declare check_non_pic.
2335 (Target_sparc::Scan::check_non_pic): New function.
2336 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
2337 (Target_sparc::Scan::global): Likewise.
2338
11936fb1
DM		 2339 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
2340 * configure: Rebuild.
2341
7c414435
DM		 2342 * options.h (DEFINE_enable): New macro.
2343 (new_dtags): New enable option.
2344 (initfirst, interpose, loadfltr, nodefaultlib,
2345 nodelete, nodlopen, nodump): New -z options.
2346 * layout.cc (Layout:finish_dynamic_section): If new
2347 dtags enabled, emit DT_RUNPATH. Also, emit a
2348 DT_FLAGS_1 containing any specified -z flags.
2349
85c7bf8b
ILT		 23502008-04-16 Ian Lance Taylor <iant@google.com>
2351
12c0daef
ILT		 2352 * copy-relocs.cc: New file.
2353 * copy-relocs.h: New file.
2354 * reloc.cc: Remove Copy_relocs code.
2355 * reloc.h: Likewise.
2356 * reloc-types.h (struct Reloc_types) [both versions]: Add
2357 get_reloc_addend_noerror.
2358 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
2359 variants of add_global which take an addend which must be zero.
2360 * i386.cc: Include "copy-relocs.h".
2361 (class Target_i386): Change type of copy_relocs_ to variable,
2362 update initializer.
2363 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
2364 Change all callers.
2365 (Target_i386::do_finalize_sections): Change handling of
2366 copy_relocs_.
2367 * sparc.cc: Include "copy-relocs.h".
2368 (class Target_sparc): Change type of copy_relocs_ to variable,
2369 update initializer.
2370 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
2371 Change all callers.
2372 (Target_sparc::do_finalize_sections): Change handling of
2373 copy_relocs_.
2374 * x86_64.cc: Include "copy-relocs.h".
2375 (class Target_x86_64): Change type of copy_relocs_ to variable,
2376 update initializer.
2377 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
2378 class. Change all callers.
2379 (Target_x86_64::do_finalize_sections): Change handling of
2380 copy_relocs_.
2381 * Makefile.am (CCFILES): Add copy-relocs.cc.
2382 (HFILES): Add copy-relocs.h.
2383
4f4995b6
ILT		 2384 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
2385
85c7bf8b
ILT		 2386 * testsuite/script_test_4.sh: Permit leading zeroes.
2387
4f2a9edd
ILT		 23882008-04-15 Ian Lance Taylor <iant@google.com>
2389
e6188289
ILT		 2390 * script-sections.cc (Script_sections::create_segments): Use
2391 header_size_adjustment even when there is enough room for the
2392 headers.
2393 * testsuite/script_test_4.sh: New file.
2394 * testsuite/script_test_4.t: New file.
2395 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
2396 (check_DATA): Add script_test_4.stdout.
2397 (MOSTLYCLEANFILES): Likewise.
2398 (script_test_4): New target.
2399 (script_test_4.stdout): New target.
2400 * testsuite/Makefile.in: Rebuild.
2401
4f2a9edd
ILT		 2402 * sparc.cc: Add definitions for Output_data_plt_sparc class
2403 constants.
2404
f5314dd5
DM		 24052008-04-14 David S. Miller <davem@davemloft.net>
2406
2407 * sparc.cc: New file.
2408 * Makefile.am (TARGETSOURCES): Add sparc.cc
2409 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
2410 * configure.tgt: Document targ_extra_size and
2411 targ_extra_big_endian. Add entries for sparc-* and
2412 sparc64-*.
2413 * configure.ac: Handle targ_extra_size and
2414 targ_extra_big_endian.
2415 * Makefile.in: Rebuild.
2416 * configure: Likewise.
2417 * po/POTFILES.in: Likewise.
2418 * po/gold.pot: Likewise.
2419
154e0e9a
ILT		 24202008-04-14 Ian Lance Taylor <iant@google.com>
2421
2422 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
2423 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
2424 in the name/type/flags to section mapping. Don't call
2425 allocate_output_section.
2426 (Layout::choose_output_section): Change parameter from adjust_name
2427 to is_input_section. Don't permit input sections after sections
2428 are attached to segments. Don't call allocate_output_section.
2429 (Layout::layout_eh_frame): Call update_flags_for_input_section,
2430 not write_enable_output_section.
2431 (Layout::make_output_section): Don't push to
2432 unattached_section_list_ nor call attach_to_segment. Call
2433 attach_section_to_segment if sections are attached.
2434 (Layout::attach_sections_to_segments): New function.
2435 (Layout::attach_section_to_segment): New function.
2436 (Layout::attach_allocated_section_to_segment): Rename from
2437 attach_to_segment. Remove flags parameter.
2438 (Layout::allocate_output_section): Remove function.
2439 (Layout::write_enable_output_section): Remove function.
2440 * layout.h (class Layout): Update for above changes. Add new
2441 field sections_are_attached_.
2442 * output.h (Output_section::update_flags_for_input_section): New
2443 function.
2444 * output.cc (Output_section::add_input_section): Call
2445 update_flags_for_input_section.
2446 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2447
009a67a2
CC		 24482008-04-11 Cary Coutant <ccoutant@google.com>
2449
2450 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
2451 thought unnecessary.
2452 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2453
759b1a24
ILT		 24542008-04-11 Ian Lance Taylor <iant@google.com>
2455
2456 * output.h (class Output_section_data): Remove inline definition
2457 of set_addralign.
2458 * output.cc (Output_section_data::set_addralign): New function.
2459
c2b45e22
CC		 24602008-04-11 Cary Coutant <ccoutant@google.com>
2461
2462 Add support for TLS descriptors for i386 and x86_64.
2463 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
2464 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
2465 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
2466 GOT_TYPE_TLS_DESC.
2467 (Target_i386::got_mod_index_entry): Remove unnecessary code.
2468 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
2469 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
2470 relocations.
2471 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
2472 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
2473 Fix problem with initial-exec relocations.
2474 (Target_i386::Relocate::relocate_tls): Likewise.
2475 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
2476 relaxation.
2477 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
2478 support for section-plus-offset dynamic table entries.
2479 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
2480 (Output_data_dynamic::Dynamic_entry): Add support for
2481 section-plus-offset dynamic table entries.
2482 (Output_data_dynamic::Classification): Likewise.
2483 (Output_data_dynamic::classification_): Renamed offset_.
2484 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
2485 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
2486 (Target_x86_64::make_plt_section): New function.
2487 (Target_x86_64::reserve_tlsdesc_entries): New function.
2488 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
2489 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
2490 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
2491 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
2492 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
2493 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
2494 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
2495 add extra PLT entry for TLS descriptors.
2496 (Output_data_plt_x86_64::got_): New field.
2497 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
2498 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
2499 fields.
2500 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
2501 descriptors.
2502 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
2503 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
2504 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
2505 R_386_TLS_DESC_CALL relocations.
2506 (Target_x86_64::Scan::global): Likewise.
2507 (Target_x86_64::do_finalize_sections): Add dynamic table entries
2508 for TLS descriptors.
2509 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
2510 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
2511 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
2512 GD-to-IE relaxation.
2513 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
2514 and TLS_DESCRIPTORS.
2515 * Makefile.in: Rebuild.
2516 * configure: Rebuild.
2517 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
2518 (tls_test_shared2.so): New target.
2519 (tls_shared_gd_to_ie_test_SOURCES): New variable.
2520 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
2521 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
2522 (tls_shared_gd_to_ie_test_LDADD): New variable.
2523 (tls_shared_gnu2_gd_to_ie_test): New target.
2524 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
2525 New targets.
2526 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
2527 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
2528 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
2529 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
2530 (tls_shared_gnu2_test): New target.
2531 (tls_test_gnu2_shared.so): New target.
2532 (tls_shared_gnu2_test_SOURCES): New variable.
2533 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
2534 (tls_shared_gnu2_test_LDFLAGS): New variable.
2535 (tls_shared_gnu2_test_LDADD): New variable.
2536 * testsuite/Makefile.in: Rebuild.
2537 * testsuite/Makefile.
2538
83bfb6b7
ILT		 25392008-04-11 Ian Lance Taylor <iant@google.com>
2540
2541 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
2542 justsyms.t.
2543 * testsuite/Makefile.in: Rebuild.
2544
2545 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
2546 long.
2547 * testsuite/script_test_2.cc (main): Adjust test.
2548
706e1f5e
ILT		 25492008-04-11 David S. Miller <davem@davemloft.net>
2550 Ian Lance Taylor <iant@google.com>
2551
2552 * options.h (General_options): Add entries for '-Y' and
2553 '-relax'.
2554 * options.cc (General_options:finalize): If -Y was used, add those
2555 entries to the library path instead of the default "/lib" and
2556 "/usr/lib".
2557
7c98e6bb
DM		 25582008-04-11 David S. Miller <davem@davemloft.net>
2559
2560 * testsuite/justsyms.t: Start at 0x100.
2561 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 2562 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
2563 long.
2564 * testsuite/script_test_2.cc: Adjust string and section length
2565 checks.
7c98e6bb 2566
99a37bfd
ILT		 25672008-04-09 Ian Lance Taylor <iant@google.com>
2568
2cefc357
ILT		 2569 PR gold/5996
2570 * script-sections.cc (Sections_element::allocate_to_segment): Add
2571 orphan parameter.
2572 (Output_section_definition::allocate_to_segment): Likewise.
2573 (Orphan_output_section::allocate_to_segment): Likewise.
2574 (Script_sections::attach_sections_using_phdrs_clause): Don't
2575 propagate non-PT_LOAD segments to orphan sections.
2576 * testsuite/Makefile.am (script_test_3.stdout): Generate using
2577 readelf rather than objdump.
2578 * testsuite/script_test_3.sh: Adjust accordingly. Test that
2579 .interp section and PT_INTERP segment are the same size.
2580 * testsuite/Makefile.in: Rebuild.
2581
99a37bfd
ILT		 2582 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
2583 aliases for symbols defined in the same object.
2584 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
2585 (weak_alias_test_SOURCES): New variable.
2586 (weak_alias_test_DEPENDENCIES): New variable.
2587 (weak_alias_test_LDFLAGS): New variable.
2588 (weak_alias_test_LDADD): New variable.
2589 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
2590 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
2591 (weak_alias_test_3.o): New target.
2592 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
2593 * testsuite/weak_alias_test_main.cc: New file.
2594 * testsuite/weak_alias_test_1.cc: New file.
2595 * testsuite/weak_alias_test_2.cc: New file.
2596 * testsuite/weak_alias_test_3.cc: New file.
2597
780e49c5
ILT		 25982008-04-08 Ian Lance Taylor <iant@google.com>
2599
cdb0b8f5
ILT		 2600 * options.h (class General_options): Add --noinhibit-exec option.
2601 * main.cc (main): Check --noinhibit-exec.
2602
0864d551
ILT		 2603 * options.h (class General_options): Define --wrap as a special
2604 option. Add wrap_symbols_ field.
2605 (General_options::any_wrap_symbols): New function.
2606 (General_options::is_wrap_symbol): New function.
2607 * options.cc (General_options::parse_wrap): New function.
2608 (General_options::General_options): Initialize wrap_symbols_.
2609 * symtab.cc (Symbol_table::wrap_symbol): New function.
2610 (Symbol_table::add_from_object): Handle --wrap.
2611 * symtab.h (class Symbol_table): Declare wrap_symbol.
2612 * target.h (Target::wrap_char): New function.
2613 (Target::Target_info): Add wrap_char field.
2614 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
2615 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2616 * testsuite/testfile.cc (Target_test::test_target_info):
2617 Likewise.
2618
789aa6de
ILT		 2619 * errors.cc (Errors::undefined_symbol): Mention symbol version if
2620 there is one.
2621
2c38906f
ILT		 2622 * layout.h (class Layout): Add added_eh_frame_data_ field.
2623 * layout.cc (Layout::Layout): Initialize new field.
2624 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
2625 output section until we find a section we merged successfully.
2626 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
2627 that the size be non-zero.
2628
780e49c5
ILT		 2629 * merge.cc (Object_merge_map::get_output_offset): Remove inline
2630 qualifier.
2631
7fcd0256
ILT		 26322008-04-08 Craig Silverstein <csilvers@google.com>
2633
2634 * configure.ac: Export new conditional variable HAVE_ZLIB.
2635 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
2636 on HAVE_ZLIB.
2637 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
2638 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2639
6835af53
ILT		 26402008-04-07 Ian Lance Taylor <iant@google.com>
2641
e24f324c
ILT		 2642 * version.cc (version_string): Set to "1.5".
2643
a036edd8
ILT		 2644 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
2645 Add issued_non_pic_error_ field. Declare check_non_pic.
2646 (Target_x86_64::Scan::check_non_pic): New function.
2647 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
2648 (Target_x86_64::Scan::global): Likewise.
2649
624f8810
ILT		 2650 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
2651 addend parameter. Change caller. Handle merge sections.
2652 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
2653 Address to Addend. Don't add in the result of
2654 local_section_offset, pass down the addend and use the returned
2655 value.
2656 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
2657 Update declarations of local_section_offset and symbol_value.
2658 * testsuite/two_file_test_1.cc (t18): New function.
2659 * testsuite/two_file_test_2.cc (f18): New function.
2660 * testsuite/two_file_test_main.cc (main): Call t18.
2661 * testsuite/two_file_test.h (t18, f18): Declare.
2662
6835af53
ILT		 2663 * configure.ac: Don't test for objdump, c++filt, or readelf.
2664 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
2665 conditionals.
2666 (TEST_READELF): New variable.
2667 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
2668 (check_PROGRAMS): Add two_file_strip_test.
2669 (two_file_strip_test): New target.
2670 (check_PROGRAMS): Add two_file_same_shared_strip_test.
2671 (two_file_same_shared_strip_test_SOURCES): New variable.
2672 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
2673 (two_file_same_shared_strip_test_LDFLAGS): New variable.
2674 (two_file_same_shared_strip_test_LDADD): New variable.
2675 (two_file_shared_strip.so): New target.
2676 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
2677 (ver_test_5.syms, ver_test_7.syms): Likewise.
2678 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
2679 (strip_test_3.stdout): Use TEST_OBJDUMP.
2680 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2681
86925eef
CC		 26822008-04-04 Cary Coutant <ccoutant@google.com>
2683
2684 * symtab.h (Symbol::is_weak_undefined): New function.
2685 (Symbol::is_strong_undefined): New function.
2686 (Symbol::is_absolute): New function.
2687 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
2688 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
2689 absolute symbols.
2690 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
2691 (weak_undef_test): New target.
2692 * testsuite/Makefile.in: Rebuild.
2693 * testsuite/weak_undef_file1.cc: New file.
2694 * testsuite/weak_undef_file2.cc: New file.
2695 * testsuite/weak_undef_test.cc: New file.
2696
126f3ece
ILT		 26972008-04-03 Craig Silverstein <csilvers@google.com>
2698
2699 * compressed_output.h (class Output_compressed_section): Use
2700 unsigned buffer.
2701 * compressed_output.cc (zlib_compress): Use unsigned buffers,
2702 add zlib header.
2703 (zlib_compressed_suffix): Removed.
2704 (Output_compressed_section::set_final_data_size): Use unsigned
2705 buffers.
2706 * testsuite/Makefile.am (flagstest_compress_debug_sections):
2707 Fix linker invocation.
2708 (flagstest_o_specialfile_and_compress_debug_sections):
2709 Likewise.
2710 * testsuite/Makefile.in: Regenerated.
2711
deae2a14
DM		 27122008-04-02 David S. Miller <davem@davemloft.net>
2713
2714 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
2715 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
2716
70752818
ILT		 27172008-04-02 Craig Silverstein <csilvers@google.com>
2718
2719 * TODO: New file.
2720
39d0cb0e
ILT		 27212008-04-02 Ian Lance Taylor <iant@google.com>
2722
2723 * fileread.cc (File_read::find_view): Add byteshift and vshifted
2724 parameters. Update for new key type to views_. Change all
2725 callers.
2726 (File_read::read): Adjust for byteshift in returned view.
2727 (File_read::add_view): New function, broken out of
2728 find_and_make_view.
2729 (File_read::make_view): New function, broken out of
2730 find_and_make_view.
2731 (File_read::find_or_make_view): Add offset and aligned
2732 parameters. Rewrite accordingly. Change all callers.
2733 (File_read::get_view): Add offset and aligned parameters. Adjust
2734 for byteshift in return value.
2735 (File_read::get_lasting_view): Likewise.
2736 * fileread.h (class File_read): Update declarations.
2737 (class File_read::View): Add byteshift_ field. Add byteshift to
2738 constructor. Add byteshift method.
2739 * archive.h (Archive::clear_uncached_views): New function.
2740 (Archive::get_view): Add aligned parameter. Change all callers.
2741 * object.h (Object::get_view): Add aligned parameter. Change all
2742 callers.
2743 (Object::get_lasting_view): Likewise.
2744
2745 * fileread.cc (File_read::release): Don't call clear_views if
2746 there are multiple objects.
2747 * fileread.h (File_read::clear_uncached_views): New function.
2748 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
2749 on the archive.
2750
a1207466
CC		 27512008-03-31 Cary Coutant <ccoutant@google.com>
2752
2753 Add thin archive support.
2754 * archive.cc (Archive::armagt): New const.
2755 (Archive::setup): Remove task parameter and calls to unlock.
2756 (Archive::unlock_nested_archives): New function.
2757 (Archive::read_header): Add nested_off parameter. Change
2758 all callers.
2759 (Archive::interpret_header): Likewise.
2760 (Archive::include_all_members): Change to handle thin
2761 archives.
2762 (Archive::include_member): Likewise.
2763 * archive.h (Archive::Archive): Add new parameters and
2764 initializers.
2765 (Archive::armagt): New const.
2766 (Archive::setup): Remove task parameter.
2767 (Archive::unlock_nested_archives): New function.
2768 (Archive::read_header): Add nested_off parameter.
2769 (Archive::interpret_header): Likewise.
2770 (Archive::Nested_archive_table): New typedef.
2771 (Archive::is_thin_archive_): New field.
2772 (Archive::nested_archives_): New field.
2773 (Archive::options_): New field.
2774 (Archive::dirpath_): New field.
2775 (Archive::task_): New field.
2776 * readsyms.cc (Read_symbols::do_read_symbols): Add check
2777 for thin archives. Pass additional parameters to
2778 Archive::Archive. Unlock the archive file after calling
2779 Archive::setup.
cd536b21 2780
479f6503
ILT		 27812008-03-29 Ian Lance Taylor <iant@google.com>
2782
686c8caf
ILT		 2783 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
2784 version symbol to be local.
2785 * testsuite/ver_test_4.sh: New file.
2786 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
2787 (check_DATA): Add ver_test_4.syms.
2788 (ver_test_4.syms): New target.
2789 * testsuite/Makefile.in: Rebuild.
2790
ab794b6b
ILT		 2791 * output.cc
2792 (Output_section::Input_section_sort_entry::has_priority): New
2793 function.
2794 (Output_section::Input_section_sort_entry::match_file_name): New
2795 function.
2796 (Output_section::Input_section_sort_entry::match_section_name):
2797 Remove.
2798 (Output_section::Input_section_sort_entry::match_section_name_prefix):
2799 Remove.
2800 (Output_section::Input_section_sort_entry::match_section_file):
2801 Remove.
2802 (Output_section::Input_section_sort_compare::operator()): Rewrite
2803 using new Input_section_sort_entry functions. Sort crtbegin and
2804 crtend first. Sort sections with no priority before sections with
2805 a priority.
2806 * testsuite/initpri1.c (d3): Check j != 4.
2807 (cd5): New constructor/destructor function.
2808 (main): Check j != 2.
2809
479f6503
ILT		 2810 * symtab.cc (Symbol_table::add_from_object): If we don't use the
2811 new symbol when resolving, don't call set_is_default.
2812 * testsuite/ver_test_7.cc: New file.
2813 * testsuite/ver_test_7.sh: New file.
2814 * testsuite/Makefile.am (ver_test_7.so): New target.
2815 (ver_test_7.o): New target.
2816 (check_SCRIPTS): Add ver_test_7.sh.
2817 (check_DATA): Add ver_test_7.syms.
2818 (ver_test_7.syms): New target.
2819
2fd32231
ILT		 28202008-03-28 Ian Lance Taylor <iant@google.com>
2821
2822 * layout.cc (Layout::layout): If we see an input section with a
2823 name that needs sorting, set the must_sort flag for the output
2824 section.
2825 (Layout::make_output_section): If the name of the output section
2826 indicates that it might require sorting, set the may_sort flag.
2827 * output.h (Output_section::may_sort_attached_input_sections): New
2828 function.
2829 (Output_section::set_may_sort_attached_input_sections): New
2830 function.
2831 (Output_section::must_sort_attached_input_sections): New
2832 function.
2833 (Output_section::set_must_sort_attached_input_sections): New
2834 function.
2835 (class Output_section): Declare Input_section_sort_entry. Define
2836 Input_section_sort_compare. Declare
2837 sort_attached_input_sections. Add new fields:
2838 may_sort_attached_input_sections_,
2839 must_sort_attached_input_sections_,
2840 attached_input_sections_are_sorted_.
2841 * output.cc (Output_section::Output_section): Initialize new
2842 fields.
2843 (Output_section::add_input_section): Add an entry to
2844 input_sections_ if may_sort or must_sort are true.
2845 (Output_section::set_final_data_size): Call
2846 sort_attached_input_sections if necessary.
2847 (Output_section::Input_section_sort_entry): Define new class.
2848 (Output_section::Input_section_sort_compare::operator()): New
2849 function.
2850 (Output_section::sort_attached_input_sections): New function.
2851 * configure.ac: Check whether the compiler supports constructor
2852 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
2853 * testsuite/initpri1.c: New file.
2854 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
2855 CONSTRUCTOR_PRIORITY.
2856 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
2857 (initpri1_LDFLAGS): New variable.
2858 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2859
18e6b24e
ILT		 28602008-03-27 Ian Lance Taylor <iant@google.com>
2861
49bdd526
ILT		 2862 * common.cc (Sort_commons::operator): Correct sorting algorithm.
2863 * testsuite/common_test_1.c: New file.
2864 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
2865 (common_test_1_SOURCES): New variable.
2866 (common_test_1_DEPENDENCIES): New variable.
2867 (common_test_1_LDFLAGS): New variable.
2868
18e6b24e
ILT		 2869 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
2870 and commons_ correctly when NAME/VERSION does not override
2871 NAME/NULL.
2872 * testsuite/ver_test_6.c: New file.
2873 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
2874 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
2875 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2876
04bf7072
ILT		 28772008-03-26 Ian Lance Taylor <iant@google.com>
2878
5871526f
ILT		 2879 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
2880 of an undefined symbol from a version script.
2881 * testsuite/Makefile.am (ver_test_5.so): New target.
2882 (ver_test_5.o): New target.
2883 (check_SCRIPTS): Add ver_test_5.sh.
2884 (check_DATA): Add ver_test_5.syms.
2885 (ver_test_5.syms): New target.
2886 * testsuite/ver_test_5.cc: New file.
2887 * testsuite/ver_test_5.script: New file.
2888 * testsuite/ver_test_5.sh: New file.
2889 * Makefile.in, testsuite/Makefile.in: Rebuild.
2890
04bf7072
ILT		 2891 PR gold/5986
2892 Fix problems building gold with gcc 4.3.0.
2893 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
2894 (gold_error_at_location, gold_warning_at_location): Use it.
2895 * configure.ac: Check whether we can compile and use a template
2896 function with a printf attribute.
2897 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
2898 when jumping over bytes.
2899 * object.cc: Instantiate Object::read_section_data.
2900 * debug.h: Include <cstring>
2901 * dwarf_reader.cc: Include <algorithm>
2902 * main.cc: Include <cstring>.
2903 * options.cc: Include <cstring>.
2904 * output.cc: Include <cstring>.
2905 * script.cc: Include <cstring>.
2906 * script.h: Include <string>.
2907 * symtab.cc: Include <cstring> and <algorithm>.
2908 * target-select.cc: Include <cstring>.
2909 * version.cc: Include <string>.
2910 * testsuite/testmain.cc: Include <cstdlib>.
2911 * configure, config.in: Rebuild.
2912
874c5b28
ILT		 29132008-03-25 Ian Lance Taylor <iant@google.com>
2914
819d6c3a
ILT		 2915 * options.cc: Include "../bfd/bfdver.h".
2916 (options::help): Print bug reporting address.
2917
f4b2c6f5
ILT		 2918 * version.cc (print_version): Adjust output for current value of
2919 BFD_VERSION_STRING.
2920
2921 * NEWS: New file.
2922
e96caa79
ILT		 2923 * options.cc (options::help): Print list of supported targets.
2924 * target-select.h: Include <vector>.
2925 (class Target_selector): Make machine_, size_, and is_big_endian_
2926 fields const. Add bfd_name_ and instantiated_target_ fields.
2927 (Target_selector::Target_selector): Add bfd_name parameter.
2928 (Target_selector::recognize): Make non-virtual, call
2929 do_recognize.
2930 (Target_selector::recognize_by_name): Make non-virtual, call
2931 do_recognize_by_name.
2932 (Target_selector::supported_names): New function.
2933 (Target_selector::bfd_name): New function.
2934 (Target_selector::do_instantiate_target): New pure virtual
2935 function.
2936 (Target_selector::do_recognize): New virtual function.
2937 (Target_selector::do_recognize_by_name): New virtual function.
2938 (Target_selector::instantiate_target): New private function.
2939 (supported_target_names): Declare.
2940 * target-select.cc (Target_selector::Target_selector): Update for
2941 new parameter and fields.
2942 (select_target_by_name): Check that the name matches before
2943 calling recognize_by_name.
2944 (supported_target_names): New function.
2945 * i386.cc (class Target_selector_i386): Update Target_selector
2946 constructor call. Remove recognize and recognize_by_name. Add
2947 do_instantiate_target.
2948 * x86_64.cc (class Target_selector_x86_64): Likewise.
2949 * testsuite/testfile.cc (class Target_selector_test): Update for
2950 changes to Target_selector.
2951
874c5b28
ILT		 2952 * README: Rewrite, with some notes on unsupported features.
2953
0a65a3a7
CC		 29542008-03-24 Cary Coutant <ccoutant@google.com>
2955
2956 * i386.cc (Target_i386::Got_type): New enum declaration.
2957 (Target_i386::Scan::local): Updated callers of Output_data_got
2958 member functions.
2959 (Target_i386::Scan::global): Likewise.
2960 (Target_i386::Relocate::relocate): Likewise.
2961 (Target_i386::Relocate::relocate_tls): Likewise.
2962 * object.h (Got_offset_list): New class.
2963 (Sized_relobj::local_has_got_offset): Added got_type parameter.
2964 (Sized_relobj::local_got_offset): Likewise.
2965 (Sized_relobj::set_local_got_offset): Likewise.
2966 (Sized_relobj::local_has_tls_got_offset): Removed.
2967 (Sized_relobj::local_tls_got_offset): Removed.
2968 (Sized_relobj::set_local_tls_got_offset): Removed.
2969 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
2970 * output.cc (Output_data_got::add_global): Added got_type parameter.
2971 (Output_data_got::add_global_with_rel): Likewise.
2972 (Output_data_got::add_global_with_rela): Likewise.
2973 (Output_data_got::add_global_pair_with_rel): New function.
2974 (Output_data_got::add_global_pair_with_rela): New function.
2975 (Output_data_got::add_local): Added got_type parameter.
2976 (Output_data_got::add_local_with_rel): Likewise.
2977 (Output_data_got::add_local_with_rela): Likewise.
2978 (Output_data_got::add_local_pair_with_rel): New function.
2979 (Output_data_got::add_local_pair_with_rela): New function.
2980 (Output_data_got::add_global_tls): Removed.
2981 (Output_data_got::add_global_tls_with_rel): Removed.
2982 (Output_data_got::add_global_tls_with_rela): Removed.
2983 (Output_data_got::add_local_tls): Removed.
2984 (Output_data_got::add_local_tls_with_rel): Removed.
2985 (Output_data_got::add_local_tls_with_rela): Removed.
2986 * output.h (Output_data_got::add_global): Added got_type parameter.
2987 (Output_data_got::add_global_with_rel): Likewise.
2988 (Output_data_got::add_global_with_rela): Likewise.
2989 (Output_data_got::add_global_pair_with_rel): New function.
2990 (Output_data_got::add_global_pair_with_rela): New function.
2991 (Output_data_got::add_local): Added got_type parameter.
2992 (Output_data_got::add_local_with_rel): Likewise.
2993 (Output_data_got::add_local_with_rela): Likewise.
2994 (Output_data_got::add_local_pair_with_rel): New function.
2995 (Output_data_got::add_local_pair_with_rela): New function.
2996 (Output_data_got::add_global_tls): Removed.
2997 (Output_data_got::add_global_tls_with_rel): Removed.
2998 (Output_data_got::add_global_tls_with_rela): Removed.
2999 (Output_data_got::add_local_tls): Removed.
3000 (Output_data_got::add_local_tls_with_rel): Removed.
3001 (Output_data_got::add_local_tls_with_rela): Removed.
3002 * resolve.cc (Symbol::override_base_with_special): Removed
3003 reference to has_got_offset_ field.
3004 * symtab.cc (Symbol::init_fields): Replaced initialization
3005 of got_offset_ with got_offsets_. Removed initialization
3006 of has_got_offset_
53fcba31 3007 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 3008 (Symbol::got_offset): Likewise.
3009 (Symbol::set_got_offset): Likewise.
3010 (Symbol::has_tls_got_offset): Removed.
3011 (Symbol::tls_got_offset): Removed.
3012 (Symbol::set_tls_got_offset): Removed.
3013 (Symbol::got_offset_): Removed.
3014 (Symbol::tls_mod_got_offset_): Removed.
3015 (Symbol::tls_pair_got_offset_): Removed.
3016 (Symbol::got_offsets_): New field.
3017 (Symbol::has_got_offset): Removed.
3018 (Symbol::has_tls_mod_got_offset): Removed.
3019 (Symbol::has_tls_pair_got_offset): Removed.
3020 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
3021 (Target_x86_64::Scan::local): Updated callers of Output_data_got
3022 member functions.
3023 (Target_x86_64::Scan::global): Likewise.
3024 (Target_x86_64::Relocate::relocate): Likewise.
3025 (Target_x86_64::Relocate::relocate_tls): Likewise.
3026
bd52eafb
BE		 30272008-03-25 Ben Elliston <bje@au.ibm.com>
3028
3029 * yyscript.y: Fix spelling error in comment.
3030
8b105e34
ILT		 30312008-03-24 Ian Lance Taylor <iant@google.com>
3032
8ed814a9
ILT		 3033 * options.h (class General_options): Define build_id option.
3034 * layout.h (class Layout): Declare write_build_id, create_note,
3035 create_build_id. Add build_id_note_ member.
3036 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
3037 "libiberty.h", "md5.h", "sha1.h".
3038 (Layout::Layout): Initialize eh_frame_data_,
3039 eh_frame_hdr_section_, and build_id_note_.
3040 (Layout::finalize): Call create_build_id.
3041 (Layout::create_note): New function, broken out of
3042 Layout::create_gold_note.
3043 (Layout::create_gold_note): Call create_note.
3044 (Layout::create_build_id): New function.
3045 (Layout::write_build_id): New function.
3046 (Close_task_runner::run): Call write_build_id.
3047
8b105e34
ILT		 3048 * x86_64.cc: Correct license to GPLv3.
3049
086a1841
ILT		 30502008-03-23 Ian Lance Taylor <iant@google.com>
3051
3052 * options.cc: Include "demangle.h".
3053 (parse_optional_string): New function.
3054 (parse_long_option): Handle takes_optional_argument.
3055 (parse_short_option): Update dash_z initializer. Handle
3056 takes_optional_argument.
3057 (General_options::General_options): Initialize do_demangle_.
3058 (General_options::finalize): Set do_demangle_. Handle demangling
3059 style.
3060 * options.h (parse_optional_string): Declare.
3061 (struct One_option): Add optional_arg field. Update constructor.
3062 Update call constructor calls. Add takes_optional_argument
3063 function.
3064 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
3065 (DEFINE_optional_string): Define.
3066 (General_options::demangle): Change from DEFINE_bool to
3067 DEFINE_optional_string.
3068 (General_options::no_demangle): New function.
3069 (General_options::do_demangle): New function.
3070 (General_options::set_do_demangle): New function.
3071 (General_options::execstack_status_): Move definition to end of
3072 class definition.
3073 (General_options::static_): Likewise.
3074 (General_options::do_demangle_): New field.
3075 * object.cc (big_endian>::get_symbol_location_info): Call
3076 Options::do_demangle, not Options::demangle.
3077 * symtab.cc (demangle): Likewise.
3078
cbb93e63
ILT		 30792008-03-22 Ian Lance Taylor <iant@google.com>
3080
3081 * gold.h: Include <cstddef> and <sys/types.h>
3082 * options.h: Include <cstring>.
3083
ec531623
ILT		 30842008-03-21 Ian Lance Taylor <iant@google.com>
3085
3086 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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