1 2009-03-24 Cary Coutant <ccoutant@google.com>
3 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5 (needs_dynamic_reloc): Likewise.
7 2009-03-24 Ian Lance Taylor <iant@google.com>
9 * yyscript.y (file_cmd): Recognize EXTERN.
10 (extern_name_list, extern_name_list_body): New nonterminals.
11 * script.cc (script_add_extern): Define.
12 * script-c.h (script_add_extern): Declare.
14 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
16 * object.cc (is_elf_object): Define.
17 * object.h (is_elf_object): Declare.
18 * archive.cc (Archive::get_elf_object_for_member): Call
20 * readsymc.cc (Read_symbols::do_read_symbols): Likewise.
22 2009-03-24 Elliott Hughes <enh@google.com>
24 * output.cc (Output_file::map_anonymous): Define.
25 (Output_file::map): Use map_anonymous. If the regular mmap fails,
26 try an anonymous one. Report the size if the mmap fails.
27 * output.h (class Output_file): Declare map_anonymous.
29 2009-03-24 Ian Lance Taylor <iant@google.com>
31 * target-select.cc (instantiate_target): Don't acquire the lock if
32 the instantiated_target_ field has already been set.
34 2009-03-23 Ian Lance Taylor <iant@google.com>
36 * gold-threads.h (class Initialize_lock): Define.
37 * gold-threads.cc (class Initialize_lock_once): Define.
38 (initialize_lock_control): New static variable.
39 (initialize_lock_pointer): New static variable.
40 (initialize_lock_once): New static function.
41 (Initialize_lock::Initialize_lock): Define.
42 (Initialize_lock::initialize): Define.
43 * target-select.h: Include "gold-threads.h".
44 (class Target_selector): Add lock_ and initialize_lock_ fields.
45 Don't define instantiate_target, just declare it.
46 * target-select.cc (Target_selector::Target_selector): Initialize
48 (Target_selector::instantiate_target): Define.
49 * descriptors.h: Include "gold-threads.h".
50 (class Descriptors): Add initialize_lock_ field.
51 * descriptors.cc (Descriptors::Descriptors): Initialize new
53 (Descriptors::open): Use initialize_lock_ field
54 * errors.h (class Errors): Add initialize_lock_ field.
55 * errors.cc (Errors::Errors): Initialize new field.
56 (Errors::initialize_lock): Use initialize_lock_ field.
57 * powerpc.cc (class Target_selector_powerpc): Remove
58 instantiated_target_ field. In do_recognize call
59 instantiate_target rather than do_instantiate_target. In
60 do_instantiate_target just allocate a new target.
61 * sparc.cc (class Target_selector_sparc): Likewise.
63 * freebsd.h: New file.
64 * i386.cc: Include "freebsd.h".
65 (Target_i386): Derive from Target_freebsd rather than
67 (Target_selector_i386): Derive from Target_selector_freebsd rather
69 * x86_64.cc: Include "freebsd.h".
70 (Target_x86_64): Derive from Target_freebsd rather than
72 (Target_selector_x86_64): Derive from Target_selector_freebsd
73 rather than Target_selector.
74 * target.h (class Target): Add adjust_elf_header and
76 * output.cc (Output_file_header:: do_sized_write): Call target
77 adjust_elf_header routine.
78 * configure.tgt: Set targ_osabi.
79 * configure.ac: Define GOLD_DEFAULT_OSABI.
80 * parameters.cc (Parameters::default_target): Pass
81 GOLD_DEFAULT_OSABI to select_target.
82 * target-select.h (class Target_selector): Make instantiate_target
83 protected rather than private.
84 * Makefile.am (HFILES): Add freebsd.h.
85 * configure, Makefile.in, config.in: Rebuild.
87 * merge.cc (do_add_input_section): Correct pend value. Change
88 message about last entry not being null terminated from error to
91 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
93 * incremental.cc: New file.
94 * Makefile.am (CCFILES): Add incremental.cc.
95 * Makefile.in: Rebuild.
97 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
99 * layout.cc (Layout::output_section_name): Preserve names
100 of '.note.' sections.
102 2009-03-19 Ian Lance Taylor <iant@google.com>
104 * descriptors.cc (Descriptors::open): Check that the options are
105 valid before using them.
107 2009-03-18 Ian Lance Taylor <iant@google.com>
109 * script-sections.h: Include <list>.
110 (class Script_sections): Change Sections_elements from std::vector
111 to std::list. Typedef public Elements_iterator. Add
112 orphan_section_placement_, data_segment_align_start_, and
113 saw_data_segment_align_ fields. Remove data_segment_align_index_
115 * script-sections.cc (class Orphan_section_placement): New class.
116 (class Sections_element): Add virtual functions is_relro and
117 orphan_section_init. Remove virtual function place_orphan_here.
118 (class Output_section_definition): Add is_relro and
119 orphan_section_init. Remove place_orphan_here.
120 (class Orphan_output_section): Likewise.
121 (Script_sections::Script_sections): Update for field changes.
122 (Script_sections::data_segment_align): Set saw_data_segment_align_
123 and data_segment_align_start_, not data_segment_align_index.
124 (Script_sections::data_segment_relro_end): Check
125 saw_data_segment_align_. Use data_segment_align_start_ rather
126 than data_segment_align_index_.
127 (Script_sections::place_orphan): Rewrite to use
128 Orphan_section_placement.
130 2009-03-17 Ian Lance Taylor <iant@google.com>
132 * archive.cc (Archive::add_symbols): Check for a version attached
133 to the symbol name in the archive map.
134 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
135 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
136 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
137 (ver_test_11.a): New target.
138 * testsuite/Makefile.in: Rebuild.
140 * configure.ac: Check for chsize and posix_fallocate. Replace
142 * ftruncate.c: New file, from gnulib.
143 * output.cc (posix_fallocate): Define dummy version if not
144 HAVE_POSIX_FALLOCATE.
145 (Output_file::map): Call posix_fallocate rather than lseek and
147 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
148 * configure, Makefile.in, config.in: Rebuild.
150 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
152 * layout.h (Layout::create_note): Add section_name parameter.
153 * layout.cc (Layout::create_note): Likewise.
154 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
156 2009-03-17 Ian Lance Taylor <iant@google.com>
158 * descriptors.cc: Include "options.h".
159 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
160 (Descriptors::open): Always use O_CLOEXEC when opening a new
161 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
164 * sparc.cc (class Target_sparc): Add has_got_section.
165 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
166 make sure we have a GOT section.
168 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
169 (Target_sparc::Scan::local): Likewise.
170 (Target_sparc::Scan::global): Likewise.
171 (Target_sparc::Relocate::relocate): Likewise.
172 (Target_sparc::Relocate::relocate_tls): Likewise.
174 * symtab.cc (Symbol_table::define_default_version): New function,
175 broken out of add_from_object.
176 (Symbol_table::add_from_object): Call define_default_version.
177 (Symbol_table::define_special_symbol): Add resolve_oldsym
178 parameter. Change all callers. If the version for a symbol comes
179 from a version script, resolve it with the symbol with the same
180 name with no version. Also add the symbol without a version if
182 (do_define_in_output_data): If resolving with oldsym, don't delete
184 (do_define_in_output_segment): Likewise.
185 (do_define_as_constant): Likewise.
186 * symtab.h (class Symbol_table): Update declarations.
188 2009-03-13 Ian Lance Taylor <iant@google.com>
190 * readsyms.cc (Read_symbols::incompatible_warning): New function.
191 (Read_symbols::requeue): New function.
192 (Read_symbols::do_read_symbols): If make_elf_object fails because
193 the target type is not configured, and the file was searched for,
194 issue a warning and retry with the next directory.
195 (Add_symbols::run): If the file has an incompatible format, and
196 it was searched for, requeue the Read_symbols task. On error,
198 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
199 dirindex parameter to constructor. Change all callers. Declare
200 incompatible_warning and requeue.
201 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
202 input_argument_ and input_group_ fields. Add them to
203 constructor. Change all callers.
204 (class Read_script): Add dirindex_ field. Add it to constructor.
206 * archive.cc (Archive::setup): Remove input_objects parameter.
208 (Archive::get_file_and_offset): Likewise.
209 (Archive::read_all_symbols): Likewise.
210 (Archive::read_symbols): Likewise.
211 (Archive::get_elf_object_for_member): Remove input_objects
212 parameter. Add punconfigured parameter. Change all callers.
213 (Archive::add_symbols): Change return type to bool. Check return
214 value of include_member.
215 (Archive::include_all_members): Likewise.
216 (Archive::include_member): Change return type to bool. Return
217 false if first included object has incompatible target. Set
218 included_member_ field.
219 (Add_archive_symbols::run): If add_symbols returns false, requeue
221 * archive.h (class Archive): Add included_member_ field.
222 Initialize it in constructor. Add input_file and searched_for
223 methods. Update declarations.
224 (class Add_archive_symbols): Add dirpath_, dirindex_, and
225 input_argument_ fields. Add them to constructor. Change all
227 * script.cc: Include "target-select.h".
228 (class Parser_closure): Add skip_on_incompatible_target_ and
229 found_incompatible_target_ fields. Add
230 skip_on_incompatible_target parameter to constructor. Change all
231 callers. Add methods skip_on_incompatible_target,
232 clear_skip_on_incompatible_target, found_incompatible_target, and
233 set_found_incompatible_target.
234 (read_input_script): Add dirindex parameter. Change all callers.
235 If parser finds an incompatible target, requeue Read_symbols
237 (script_set_symbol): Clear skip_on_incompatible_target in
239 (script_add_assertion, script_parse_option): Likewise.
240 (script_start_sections, script_add_phdr): Likewise.
241 (script_check_output_format): New function.
242 * script.h (read_input_script): Update declaration.
243 * script-c.h (script_check_output_format): Declare.
244 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
245 (ignore_cmd): Remove OUTPUT_FORMAT.
246 * fileread.cc (Input_file::Input_file): Add explicit this.
247 (Input_file::will_search_for): New function.
248 (Input_file::open): Add pindex parameter. Change all callers.
249 * fileread.h (class Input_file): Add input_file_argument method.
250 Declare will_search_for. Update declarations.
251 * object.cc (make_elf_object): Add punconfigured parameter.
253 * object.h (class Object): Make input_file public. Add
255 (make_elf_object): Update declaration.
256 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
258 * dirsearch.h (class Dirsearch): Update declaration.
259 * options.h (class General_options): Add --warn-search-mismatch.
260 * parameters.cc (Parameters::is_compatible_target): New function.
261 * parameters.h (class Parameters): Declare is_compatible_target.
262 * workqueue.cc (Workqueue::add_blocker): New function.
263 * workqueue.h (class Workqueue): Declare add_blocker.
265 * fileread.cc (Input_file::open): Remove options parameter.
267 (Input_file::open_binary): Likewise.
268 * script.cc (read_input_script): Likewise.
269 * readsyms.h (class Read_symbols): Remove options_ field. Remove
270 options parameter from constructor. Change all callers.
271 (class Read_script): Likewise.
272 * fileread.h (class Input_file): Update declarations.
273 * script.h (read_input_script): Update declaration.
275 2009-03-10 Nick Clifton <nickc@redhat.com>
277 * po/es.po: New Spanish translation.
279 2009-03-06 Cary Coutant <ccoutant@google.com>
281 * options.cc (parse_short_option): Keep dash_z from registering itself.
283 2009-03-03 Ian Lance Taylor <iant@google.com>
286 * target-reloc.h (relocate_section): Pass output_section to
288 * i386.cc (Target_i386::should_apply_static_reloc): Add
289 output_section parameter. Change all callers.
290 (Target_i386::Relocate::relocate): Add output_section parameter.
291 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
292 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
293 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
294 * testsuite/two_file_shared.sh: New script.
295 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
296 (check_DATA): Add two_file_shared.dbg.
297 (two_file_shared.dbg): New target.
298 * testsuite/Makefile.in: Rebuild.
300 2009-03-01 Ian Lance Taylor <iant@google.com>
302 * configure.ac: Check for byteswap.h.
303 * configure: Rebuild.
304 * config.in: Rebuild.
306 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
308 * layout.cc (Layout::find_or_add_kept_section): New function.
309 (Layout::add_comdat): Removed.
310 * layout.h (struct Kept_section): Move out of class Layout.
311 Remove trailing underscores from field names. Add group_sections
312 field. Rename group_ field to is_group. Change all uses.
313 (class Layout): Declare find_or_add_kept_section, not add_comdat.
314 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
315 comdat_groups_ field.
316 (Sized_relobj::include_section_group): Use
317 find_or_add_kept_section and Kept_section::group_sections.
318 (Sized_relobj::include_linkonce_section): Likewise.
319 * object.cc (class Sized_relobj): Don't define Comdat_group or
320 Comdat_group_table. Remove find_comdat_group and
321 add_comdat_group. Remove comdat_groups_ field.
322 * plugin.cc (include_comdat_group): Use
323 Layout::find_or_add_kept_section.
325 2009-02-28 Ian Lance Taylor <iant@google.com>
327 * README: --gc-sections and map files are now supported. Document
328 some build requirements.
331 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
332 relocatable link set the value of the section symbol to zero.
333 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
334 relocatable link don't include the section address in the local
337 2009-02-27 Ian Lance Taylor <iant@google.com>
340 * options.h (class Search_directory): Add is_system_directory.
341 (class General_options): Declare is_in_system_directory.
342 * options.cc (get_relative_sysroot): Make static.
343 (get_default_sysroot): Make static.
344 (General_optoins::is_in_system_directory): New function.
345 * fileread.cc (Input_file::is_in_system_directory): New function.
346 * fileread.h (class Input_file): Declare is_in_system_directory.
347 * object.h (class Object): Add is_in_system_directory.
348 (class Input_objects): Remove system_library_directory_ field.
349 * object.cc (Input_objects::add_object): Don't set
350 system_library_directory_.
351 (input_objects::found_in_system_library_directory): Remove.
352 * symtab.cc (Symbol_table::write_globals): Remove input_objects
353 parameter. Change all callers.
354 (Symbol_table::sized_write_globals): Likewise.
355 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
356 Call Object::is_in_system_directory.
357 * symtab.h (class Symbol_table): Update declarations.
360 * descriptors.h (Open_descriptor): Add is_on_stack field.
361 * descriptors.cc (Descriptors::open): If the descriptor is on the
362 top of the stack, remove it. Initialize is_on_stack field.
363 (Descriptors::release): Only add pod to stack if it is not on the
365 (Descriptors::close_some_descriptor): Clear stack_next and
369 * output.cc (Output_section::find_starting_output_address): Rename
370 from starting_output_address; add PADDR parameter; change return
372 * output.h (class Output_section): Declare
373 find_starting_output_address instead of starting_output_address.
374 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
375 section symbol for which we can't find a merge section.
378 * symtab.cc (Symbol_table::add_from_object): If the visibility is
379 hidden or internal, force the symbol to be local.
380 * resolve.cc (Symbol::override_visibility): Define.
381 (Symbol::override_base): Use override_visibility.
382 (Symbol_table::resolve): Likewise.
383 (Symbol::override_base_with_special): Likewise.
384 (Symbol_table::override_with_special): If the visibility is hidden
385 or internal, force the symbol to be local.
386 * symtab.h (class Symbol): Add set_visibility and
388 * testsuite/ver_test_1.sh: New file.
389 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
390 (check_DATA): Add ver_test_1.syms.
391 (ver_test_1.syms): New target.
392 * testsuite/Makefile.in: Rebuild.
394 2009-02-25 Cary Coutant <ccoutant@google.com>
396 * layout.cc (Layout::choose_output_section): Don't rename sections
397 when using a linker script that has a SECTIONS clause.
398 * Makefile.in: Regenerate.
400 * testsuite/Makefile.am (script_test_5.sh): New test case.
401 * testsuite/Makefile.in: Regenerate.
402 * testsuite/script_test_5.cc: New file.
403 * testsuite/script_test_5.sh: New file.
404 * testsuite/script_test_5.t: New file.
406 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
408 * archive.cc (Archive::include_member): Update calls to add_symbols.
409 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
411 * dynobj.h (do_add_symbols): Add the Layout argument.
412 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
414 * object.h (Object::add_symbols): Add the Layout argument.
415 (Object::do_add_symbols): Add the Layout argument.
416 (Sized_relobj::do_add_symbols): Add the Layout argument.
417 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
418 Unify the two versions.
419 (Add_plugin_symbols): Remove.
420 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
421 (Sized_pluginobj::do_add_symbols): Unify the two versions.
422 (Add_plugin_symbols): Remove.
423 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
424 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
425 (Add_symbols::run): Make it work with Pulginobj.
427 2009-02-06 Ian Lance Taylor <iant@google.com>
429 * object.cc (Sized_relobj::do_layout): Make info message start
430 with lower case letter.
432 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
434 * binary.cc: Fix file comment.
436 * options.h (enum Incremental_disposition): Define.
437 (class General_options): Add new options: --incremental,
438 --incremental_changed, --incremental_unchanged,
439 --incremental_unknown. Add incremental_disposition_ and
440 implicit_incremental_ fields.
441 (General_options::incremental_disposition): New function.
442 (class Position_dependent_options): Add incremental_disposition
444 (Position_dependent_options::copy_from_options): Set incremental
446 * options.cc (General_options::parse_incremental_changed): New
448 (General_options::parse_incremental_unchanged): New function.
449 (General_options::parse_incremental_unknown): New function.
450 (General_options::General_options): Initialize new fields
451 incremental_disposition_ and implicit_incremental_.
452 (General_options::finalize): Check for uasge of --incremental-*
453 without --incremental.
455 2009-02-06 Chris Demetriou <cgd@google.com>
457 * gold.h (gold_undefined_symbol): Change to take only a Symbol
458 pointer and to report location as the file name associated with
460 (gold_undefined_symbol_at_location): New function to replace the
461 old gold_undefined_symbol functionality.
462 * target-reloc.h (relocate_section): Update to use
463 gold_undefined_symbol_at_location.
464 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
465 Call gold_undefined_symbol function rather than gold_error.
466 * errors.h (Errors::undefined_symbol): Take location as a
467 string, rather than calculating it from a relocation.
468 * errors.cc (Errors::fatal): Print "fatal error:" before the
470 (Errors::error, Errors::error_at_location): Print "error: "
471 before the formatted message.
472 (Errors::undefined_symbol): Take location as a string, rather
473 than calculating it from a relocation.
474 (gold_undefined_symbol_at_location): New function akin to
475 old gold_undefined_symbol, calculates location from relocation.
476 (gold_undefined_symbol): Change to take only a Symbol pointer
477 and to report location as the file name associated with the symbol.
478 * testsuite/debug_msg.sh: Update for changed error messages.
479 * testsuite/undef_symbol.sh: Likewise.
481 2009-02-04 Duncan Sands <baldrick@free.fr>
484 * reduced_debug_output.h
485 (Output_reduced_debug_abbrev_section::failed): Use format for
487 (Output_reduced_debug_info_section::faild): Likewise.
489 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
491 * script.cc (Lazy_demangler): New class.
492 (Version_script_info::get_symbol_version_helper): Demangle a
495 2009-01-29 Cary Coutant <ccoutant@google.com>
497 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
499 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
501 2009-01-28 Ian Lance Taylor <iant@google.com>
503 * version.cc (version_string): Bump to 1.9.
505 * gold.h: Include <cstring> and <stdint.h>.
506 * version.cc: Include <cstdio>.
507 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
509 * reduced_debug_output.cc (insert_into_vector): Rename from
510 Insert_into_vector; change all callers. Use Swap_unaligned to
511 avoid aliasing issue; remove union since it is unnecessary.
513 2009-01-27 Sriraman Tallam <tmsriram@google.com>
515 * Makefile.am (CCFILES): Add gc.cc.
517 * Makefile.in: Regenerate.
518 * gold.cc (Gc_runner): New class.
519 (queue_initial_tasks): Call garbage collection related tasks
520 when corresponding options are invoked.
521 (queue_middle_gc_tasks): New function.
522 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
523 processed early before laying out sections during garbage collection.
524 * gold.h (queue_middle_gc_tasks): New function.
525 (is_prefix_of): Move from "layout.cc".
526 * i386.cc (Target_i386::gc_process_relocs): New function.
527 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
528 * main.cc (main): Create object of class "Garbage_collection".
529 * object.cc (Relobj::copy_symbols_data): New function.
530 (Relobj::is_section_name_included): New function.
531 (Sized_relobj::do_layout): Allow this function to be called twice
532 during garbage collection and defer layout of section during the
534 * object.h (Relobj::get_symbols_data): New function.
535 (Relobj::is_section_name_included): New function.
536 (Relobj::copy_symbols_data): New function.
537 (Relobj::set_symbols_data): New function.
538 (Relobj::get_relocs_data): New function.
539 (Relobj::set_relocs_data): New function.
540 (Relobj::is_output_section_offset_invalid): New pure virtual function.
541 (Relobj::gc_process_relocs): New function.
542 (Relobj::do_gc_process_relocs): New pure virtual function.
543 (Relobj::sd_): New data member.
544 (Sized_relobj::is_output_section_offset_invalid): New function.
545 (Sized_relobj::do_gc_process_relocs): New function.
546 * options.h (General_options::gc_sections): Modify to not be a no-op.
547 (General_options::print_gc_sections): New option.
548 * plugin.cc (Plugin_finish::run): Remove function call to
549 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
550 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
551 * reloc.cc (Read_relocs::run): Add task to process relocs and
552 determine unreferenced sections when doing garbage collection.
553 (Gc_process_relocs): New class.
554 (Sized_relobj::do_gc_process_relocs): New function.
555 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
556 sections that are garbage collected.
557 * reloc.h (Gc_process_relocs): New class.
558 * sparc.cc (Target_sparc::gc_process_relocs): New function.
559 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
560 symbols whose corresponding sections are garbage collected.
561 (Symbol_table::Symbol_table): Add new parameter for the garbage
563 (Symbol_table::gc_mark_undef_symbols): New function.
564 (Symbol_table::gc_mark_symbol_for_shlib): New function.
565 (Symbol_table::gc_mark_dyn_syms): New function.
566 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
568 (Symbol_table::add_from_object): Likewise.
569 (Symbol_table::add_from_relobj): When building shared objects, do not
570 treat externally visible symbols as garbage.
571 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
572 table information for static and relocatable links.
573 * symtab.h (Symbol_table::set_gc): New function.
574 (Symbol_table::gc): New function.
575 (Symbol_table::gc_mark_undef_symbols): New function.
576 (Symbol_table::gc_mark_symbol_for_shlib): New function.
577 (Symbol_table::gc_mark_dyn_syms): New function.
578 (Symbol_table::gc_): New data member.
579 * target.h (Sized_target::gc_process_relocs): New pure virtual
581 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
582 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
584 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
586 * options.h (General_options::gc_sections): Define as a no-op for now.
587 (General_options::no_keep_memory): Ditto.
588 (General_options::Bshareable): Define.
589 * options.cc (General_options::finalize): Honor -Bshareable.
591 2009-01-20 Andreas Schwab <schwab@suse.de>
593 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
594 read the value in the contents, since we don't use it. Use the
595 template endianness when writing.
596 (Relocate::relocate): Use it for R_PPC_REL16_HA.
598 2009-01-19 Andreas Schwab <schwab@suse.de>
600 * configure.tgt (powerpc64-*): Fix targ_obj.
602 2009-01-15 Ian Lance Taylor <iant@google.com>
604 * object.cc (Sized_relobj::write_local_symbols): Don't write out
605 local symbols when stripping all symbols.
607 2009-01-14 Cary Coutant <ccoutant@google.com>
609 * output.cc (Output_reloc): Add explicit instantiations.
611 2009-01-14 Cary Coutant <ccoutant@google.com>
613 * archive.cc (Archive::get_elf_object_for_member): Remove call
614 to File_read::claim_for_plugin.
615 * descriptors.cc (Descriptors::open): Remove reference to
617 (Descriptors::claim_for_plugin): Remove.
618 * descriptors.h (Descriptors::claim_for_plugin): Remove.
619 (Descriptors::is_claimed): Remove.
620 (claim_descriptor_for_plugin): Remove.
621 * fileread.cc (File_read::claim_for_plugin): Remove.
622 * fileread.h (File_read::claim_for_plugin): Remove.
623 (File_read::descriptor): Reopen descriptor if necessary.
624 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
625 (Plugin_manager::all_symbols_read): Add task parameter. Change
627 (Plugin_manager::get_input_file): New function.
628 (Plugin_manager::release_input_file): New function.
629 (Pluginobj::Pluginobj): Add filesize parameter and initialize
630 corresponding data member.
631 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
632 and pass to base constructor. Change all callers.
633 (get_input_file, release_input_file): New functions.
634 (make_sized_plugin_object): Add filesize parameter. Change all callers.
635 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
636 (Plugin_manager::all_symbols_read): Add task parameter.
637 (Plugin_manager::get_input_file): New function.
638 (Plugin_manager::release_input_file): New function.
639 (Plugin_manager::task_): New data member.
640 (Pluginobj::Pluginobj): Add filesize parameter.
641 (Pluginobj::filename): New function.
642 (Pluginobj::descriptor): New function.
643 (Pluginobj::filesize): New function.
644 (Pluginobj::filesize_): New data member.
645 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
646 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
647 File_read::claim_for_plugin; use Object::unlock to unlock the file.
649 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
650 with archive libraries.
651 * testsuite/Makefile.in: Regenerate.
652 * testsuite/plugin_test.c (struct sym_info): New type.
653 (get_input_file, release_input_file): New static variables.
654 (onload): Capture new transfer vector entries.
655 (claim_file_hook): Stop reading at end of file according to filesize.
656 Factor out parsing of readelf output into separate function.
657 (all_symbols_read_hook): Exercise get_input_file and release_input_file
658 APIs and get the source file name from the symbol table. Convert
659 source file name to corresponding object file name. Print info
660 message when adding new input files.
661 (parse_readelf_line): New function.
662 * testsuite/plugin_test_1.sh: Add checks for new info messages.
663 * testsuite/plugin_test_2.sh: Likewise.
664 * testsuite/plugin_test_3.sh: Likewise.
665 * testsuite/plugin_test_4.sh: New test case.
667 2009-01-07 Ian Lance Taylor <iant@google.com>
669 * version.cc (version_string): Bump to 1.8.
671 2008-12-23 Cary Coutant <ccoutant@google.com>
673 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
674 * plugin.cc (Plugin_manager::finish): Rename as
675 layout_deferred_objects. Move cleanup to separate function.
676 (Plugin_manager::cleanup): New function.
677 (Plugin_finish::run): Call layout_deferred_objects and cleanup
679 * plugin.h (Plugin_manager::finish): Rename as
680 layout_deferred_objects.
681 (Plugin_manager::cleanup): New function.
682 (Plugin_manager::cleanup_done): New field.
684 2008-12-23 Cary Coutant <ccoutant@google.com>
686 * plugin.cc (is_visible_from_outside): New function.
687 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
688 so we don't return "IR only" status for exported symbols or -r links.
690 * testsuite/Makefile.am (plugin_test_3): New test case.
691 * testsuite/Makefile.in: Regenerate.
692 * testsuite/plugin_test_3.sh: New file.
694 2008-12-22 Cary Coutant <ccoutant@google.com>
696 * object.cc (Sized_relobj::layout_section): New function.
697 (Sized_relobj::do_layout): Defer layout of input sections until after
698 plugin has provided replacement files.
699 (Sized_relobj::do_layout_deferred_sections): New function.
700 * object.h (Relobj::set_section_offset): Remove virtual keyword.
701 (Relobj::layout_deferred_sections): New function.
702 (Relobj::do_layout_deferred_sections): New function.
703 (Sized_relobj::do_layout_deferred_sections): New function.
704 (Sized_relobj::layout_section): New function.
705 (Sized_relobj::Deferred_layout): New structure.
706 (Sized_relobj::deferred_layout_): New field.
707 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
708 Change all callers. Layout deferred sections.
709 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
711 (Plugin_hook::run): Move code from do_plugin_hook inline.
712 (Plugin_hook::do_plugin_hook): Remove.
713 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
714 (Plugin_manager::finish): Renamed, was cleanup.
715 (Plugin_manager::should_defer_layout): New function.
716 (Plugin_manager::add_deferred_layout_object): New function.
717 (Plugin_manager::Deferred_layout_list): New type.
718 (Plugin_manager::deferred_layout_objects_): New field.
719 (Plugin_hook::do_plugin_hook): Remove.
721 2008-12-17 Ian Lance Taylor <iant@google.com>
723 * options.h (class General_options): Add --no case for
726 2008-12-16 Cary Coutant <ccoutant@google.com>
728 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
730 (Plugin_manager::claim_file): Create plugin object even if
731 plugin did not call the add_symbols callback.
732 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
733 asking for more symbols than were added.
734 * testsuite/Makefile.am (plugin_test_1): Add test case with
736 (empty.syms): New target.
737 * testsuite/Makefile.in: Regenerate.
738 * testsuite/plugin_test.c (claim_file_hook): Add new debug
739 message. Don't call add_symbols if no globals.
740 (all_symbols_read_hook): Don't provide replacement for empty
743 2008-12-12 Ian Lance Taylor <iant@google.com>
745 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
746 r_type == 0 for a local symbol with r_sym == 0.
747 (scan_relocatable_relocs): Pass r_sym to
748 local_non_section_strategy.
749 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
752 * configure.ac: Update test for TLS descriptors: they are
753 supported as of glibc 2.9.
754 * configure: Rebuild.
756 2008-12-11 Ian Lance Taylor <iant@google.com>
759 * target-reloc.h (Default_scan_relocatable_relocs): For each
760 function, map r_type == 0 to RELOC_DISCARD.
762 2008-12-10 Cary Coutant <ccoutant@google.com>
764 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
765 object to override a kept COMDAT group from a plugin object.
767 2008-12-09 Ian Lance Taylor <iant@google.com>
770 * yyscript.y (file_cmd): Handle INPUT.
772 * testsuite/initpri1.c: Change all declarations to be full
773 prototypes by adding void, to avoid compiler warnings.
775 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
777 * options.cc (General_options::parse_plugin_opt): New.
778 (General_options::add_plugin): The argument now is just the filename.
779 (General_options::add_plugin_option): New.
780 * options.h (plugin_opt): New.
781 (add_plugin): Change argument name.
782 (add_plugin_option): New.
783 * plugin.cc (Plugin::load): Don't parse the plugin option.
784 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
785 (Plugin::add_option): New.
786 (Plugin::args_): Change type.
787 (Plugin::filename_): New.
788 (Plugin_manager::add_plugin_option): New.
789 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
790 * testsuite/Makefile.in: Regenerate.
792 2008-12-05 Cary Coutant <ccoutant@google.com>
794 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
795 Handle --strip-lto-sections option.
796 * options.h (strip_lto_sections): New option.
798 2008-12-01 Cary Coutant <ccoutant@google.com>
800 * plugin.cc (ld_plugin_message): Change format parameter to const.
801 Fix mismatch between new[] and delete.
803 2008-11-14 Cary Coutant <ccoutant@google.com>
805 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
808 2008-11-05 Craig Silverstein <csilvers@google.com>
810 * options.cc (General_options::parse_dynamic_list): New function.
811 * options.h (General_options): New flags dynamic_list,
812 dynamic_list_data, dynamic_list_cpp_new, and
813 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
814 (General_options::in_dynamic_list): New function.
815 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
816 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
817 (Lex::can_continue_name): Likewise.
819 (read_script_file): New parameter script_options.
820 (read_dynamic_list): New function.
821 (Script_options::define_dynamic_list): New function.
822 (dynamic_list_keyword_parsecodes): New variable.
823 (dynamic_list_keywords): New variable.
824 * script.h (Script_options::define_dynamic_list): New function
826 (read_dynamic_list): New function prototype.
827 * symtab.cc (strprefix): New macro.
828 (Symbol::should_add_dynsym_entry): Support dynamic_list,
829 dynamic_list_data, dynamic_list_cpp_new, and
830 dynamic_list_cpp_typeinfo.
831 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
832 (dynamic_list_expr): New rule.
833 (dynamic_list_nodes): Likewise.
834 (dynamic_list_node): Likewise.
835 * testsuite/Makefile.am (dynamic_list): New test.
836 * testsuite/Makefile.in: Regenerated.
837 * testsuite/dynamic_list.t: New file.
838 * testsuite/dynamic_list.sh: New file.
840 2008-11-05 Craig Silverstein <csilvers@google.com>
842 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
843 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
844 (t11_last): Likewise.
845 * testsuite/ver_test_6.c (main): Likewise.
847 2008-10-07 Cary Coutant <ccoutant@google.com>
849 * options.c (General_options::finalize): Add check for -static and
851 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
854 2008-10-02 Cary Coutant <ccoutant@google.com>
856 * plugin.cc (make_sized_plugin_object): Fix conditional
857 compilation to work when not all targets are enabled.
859 2008-09-29 Cary Coutant <ccoutant@google.com>
861 * archive.cc (Archive::get_file_and_offset): Use filename instead
862 of name to get library path.
863 (Archive::include_member): Unlock external member of a thin archive.
865 * testsuite/Makefile.am (TEST_AR): New variable.
866 (thin_archive_test_1): New test.
867 (thin_archive_test_2): New test.
868 * testsuite/Makefile.in: Regenerate.
869 * testsuite/thin_archive_main.cc: New file.
870 * testsuite/thin_archive_test_1.cc: New file.
871 * testsuite/thin_archive_test_2.cc: New file.
872 * testsuite/thin_archive_test_3.cc: New file.
873 * testsuite/thin_archive_test_4.cc: New file.
875 2008-09-29 Cary Coutant <ccoutant@google.com>
877 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
878 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
880 (Sized_relobj::do_finalize_local_symbols): Likewise.
881 (Sized_relobj::map_to_kept_section): Likewise.
882 * object.h (Sized_relobj::invalid_address): New constant.
883 (Sized_relobj::do_output_section_offset): Check for invalid_address
885 * output.cc (Output_reloc::local_section_offset): Use constant
886 invalid_address instead of -1U.
887 (Output_reloc::get_address): Likewise.
888 (Output_section::output_address): Change -1U to -1ULL.
889 * output.h (Output_reloc::invalid_address): New constant.
890 * reloc.cc (Sized_relobj::write_sections): Use constant
891 invalid_address instead of -1U.
892 (Sized_relobj::relocate_sections): Likewise.
893 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
894 values for merge sections.
895 * target-reloc.h (relocate_for_relocatable): Use constant
896 invalid_address instead of -1U.
898 2008-09-19 Cary Coutant <ccoutant@google.com>
900 Add plugin functionality for link-time optimization (LTO).
901 * configure.ac (plugins): Add --enable-plugins option.
902 * configure: Regenerate.
903 * config.in: Regenerate.
904 * Makefile.am (LIBDL): New variable.
905 (CCFILES): Add plugin.cc.
906 (HFILES): Add plugin.h.
907 (ldadd_var): Add LIBDL.
908 * Makefile.in: Regenerate.
910 * archive.cc: Include "plugin.h".
911 (Archive::setup): Don't preread archive symbols when using a plugin.
912 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
913 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
915 (Archive::include_member): Add symbols from plugin objects.
916 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
917 * descriptors.cc (Descriptors::open): Check for file descriptors
918 abandoned by plugins.
919 (Descriptors::claim_for_plugin): New function.
920 * descriptors.h (Descriptors::claim_for_plugin): New function.
921 (Open_descriptor::is_claimed): New field.
922 (claim_descriptor_for_plugin): New function.
923 * fileread.cc (File_read::claim_for_plugin): New function.
924 * fileread.h (File_read::claim_for_plugin): New function.
925 (File_read::descriptor): New function.
926 * gold.cc: Include "plugin.h".
927 (queue_initial_tasks): Add task to call plugin hooks for generating
929 * main.cc: Include "plugin.h".
930 (main): Load plugin libraries.
931 * object.h (Pluginobj): Declare.
932 (Object::pluginobj): New function.
933 (Object::do_pluginobj): New function.
934 (Object::set_target): New function.
935 * options.cc: Include "plugin.h".
936 (General_options::parse_plugin): New function.
937 (General_options::General_options): Initialize plugins_ field.
938 (General_options::add_plugin): New function.
939 * options.h (Plugin_manager): Declare.
940 (General_options): Add --plugin option.
941 (General_options::has_plugins): New function.
942 (General_options::plugins): New function.
943 (General_options::add_plugin): New function.
944 (General_options::plugins_): New field.
945 * plugin.cc: New file.
946 * plugin.h: New file.
947 * readsyms.cc: Include "plugin.h".
948 (Read_symbols::do_read_symbols): Check for archive before checking
949 for ELF file. Call plugin hooks to claim files.
950 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
951 from a real object file; force override when processing replacement
953 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
954 (Symbol::init_base_object): Likewise.
955 (Symbol::init_base_output_data): Likewise.
956 (Symbol::init_base_output_segment): Likewise.
957 (Symbol::init_base_constant): Likewise.
958 (Symbol::init_base_undefined): Likewise.
959 (Symbol::output_section): Assert that object is not a plugin.
960 (Symbol_table::add_from_pluginobj): New function.
961 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
963 (Symbol_table::sized_write_globals): Likewise.
964 (Symbol_table::add_from_pluginobj): Instantiate template.
965 * symtab.h (Sized_pluginobj): Declare.
966 (Symbol::in_real_elf): New function.
967 (Symbol::set_in_real_elf): New function.
968 (Symbol::in_real_elf_): New field.
969 (Symbol_table::add_from_pluginobj): New function.
971 * testsuite/Makefile.am (AM_CFLAGS): New variable.
972 (LIBDL): New variable.
974 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
975 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
976 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
977 (MOSTLYCLEANFILES): Likewise.
978 * testsuite/Makefile.in: Regenerate.
979 * testsuite/plugin_test.c: New file.
980 * testsuite/plugin_test_1.sh: New file.
981 * testsuite/plugin_test_2.sh: New file.
983 2008-09-16 Ian Lance Taylor <iant@google.com>
985 * target-reloc.h (relocate_section): Check whether a symbol is
986 defined by the ABI before reporting an undefined symbol error.
987 * target.h (Target::is_defined_by_abi): Make parameter const.
988 (Target::do_is_defined_by_abi): Likewise.
989 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
990 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
991 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
992 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
993 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
994 * testsuite/Makefile.in: Rebuild.
996 * fileread.cc (make_view): Add casts to avoid warning.
998 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1000 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
1001 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1003 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1005 * options.h (General_options::output_is_executable): New.
1006 (General_options::output_is_pie): New.
1007 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
1008 for shared libraries.
1009 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1011 2008-09-11 Chris Demetriou <cgd@google.com>
1013 * options.h (origin): New -z option.
1014 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
1015 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
1018 2008-09-05 Cary Coutant <ccoutant@google.com>
1020 * fileread.cc (File_read::make_view): Add check for attempt to map
1023 2008-09-05 Cary Coutant <ccoutant@google.com>
1025 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
1026 explicit instantiations.
1028 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
1031 * options.cc (General_options::finalize): Allow undefined symbols
1032 in shlibs if linking -shared.
1035 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
1036 symbols as not needing a dynsym entry.
1038 2008-08-20 Craig Silverstein <csilvers@google.com>
1040 * fileread.cc (File_read::open): Do not lock the file unless it
1041 was successfully opened.
1043 2008-08-14 Cary Coutant <ccoutant@google.com>
1045 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
1046 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
1047 * testsuite/tls_test.cc (struct int128): 128-bit struct
1048 for testing TLS relocs with non-zero addend.
1049 (v12): New TLS variable.
1051 (t_last): Add check for v12.
1052 * testsuite/tls_test.h (t12): New function.
1053 * testsuite/tls_test_main.cc (thread_routine): Call new test.
1055 2008-08-13 Ian Lance Taylor <iant@google.com>
1057 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
1058 set tls_segment_ or relro_segment_.
1059 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
1061 * output.h (Output_section::clear_is_relro): New function.
1062 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
1063 sections specially even when output_data_ is empty.
1064 (Output_segment::maximum_alignment): When first section is relro,
1065 only force alignment for PT_LOAD segments.
1066 * script.cc (script_data_segment_align): New function.
1067 (script_data_segment_relro_end): New function.
1068 * script-c.h (script_data_segment_align): Declare.
1069 (script_data_segment_relro_end): Declare.
1070 * script-sections.h (class Script_sections): Declare
1071 data_segment_align and data_segment_relro_end. Add fields
1072 segment_align_index_ and saw_relro_end_.
1073 * script-sections.cc (class Sections_element): Add set_is_relro
1074 virtual function. Add new bool* parameter to place_orphan_here.
1075 Add get_output_section virtual function.
1076 (class Output_section_definition): Add set_is_relro. Add new
1077 bool* parameter to place_orphan_here. Add get_output_section.
1078 Add is_relro_ field.
1079 (Output_section_definition::Output_section_definition): Initialize
1080 evaluated_address_, evaluated_load_address, evaluated_addralign_,
1081 and is_relro_ fields.
1082 (Output_section_definition::place_orphan_here): Add is_relro
1084 (Output_section_definition::set_section_addresses): Set relro for
1086 (Output_section_definition::alternate_constraint): Likewise.
1087 (class Orphan_output_section): Add new bool* parameter to
1088 place_orphan_here. Add get_output_section.
1089 (Orphan_output_section::place_orphan_here): Add is_relro
1091 (Script_sections::Script_sections): Initialize
1092 data_segment_align_index_ and saw_relro_end_.
1093 (Script_sections::data_segment_align): New function.
1094 (Script_sections::data_segment_relro_end): New function.
1095 (Script_sections::place_orphan): Set or clear is_relro.
1096 (Script_sections::set_section_addresses): Force alignment of first
1098 * yyscript.y (exp): Call script_data_segment_align and
1099 script_data_segment_relro_end.
1100 * testsuite/relro_script_test.t: New file.
1101 * testsuite/relro_test.cc (using_script): Declare.
1102 (t1, t2): Test using_script.
1103 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
1104 (relro_script_test_SOURCES): Define.
1105 (relro_script_test_DEPENDENCIES): Define.
1106 (relro_script_test_LDFLAGS): Define.
1107 (relro_script_test_LDADD): Define.
1108 (relro_script_test.so): New target.
1109 * testsuite/Makefile.in: Rebuild.
1111 2008-08-06 Cary Coutant <ccoutant@google.com>
1113 * archive.cc (Archive::total_archives, Archive::total_members)
1114 (Archive::total_members_loaded): New variables.
1115 (Archive::setup): Add parameter. Add option to preread
1117 (Archive::read_armap): Add counter.
1118 (Archive::get_file_and_offset): New function.
1119 (Archive::get_elf_object_for_member): New function.
1120 (Archive::read_all_symbols): New function.
1121 (Archive::read_symbols): New function.
1122 (Archive::add_symbols): Add counters.
1123 (Archive::include_all_members): Use armap to find members if it's
1125 (Archive::include_member): Skip reading symbols if already read.
1126 Factored code into Archive::get_file_and_offset and
1127 Archive::get_elf_object_for_member. Changed call to
1128 Mapfile::report_include_archive_member.
1129 (Archive::print_stats): New function.
1130 * archive.h: Declare Object and Read_symbols_data classes.
1131 (Archive::Archive): Add initializers for new members.
1132 (Archive::setup): Add parameter.
1133 (Archive::print_stats): New function.
1134 (Archive::total_archives, Archive::total_members)
1135 (Archive::total_members_loaded): New variables.
1136 (Archive::get_file_and_offset): New function.
1137 (Archive::get_elf_object_for_member): New function.
1138 (Archive::read_all_symbols): New function.
1139 (Archive::read_symbols): New function.
1140 (Archive::Archive_member): New class.
1141 (Archive::members_): New member.
1142 (Archive::num_members_): New member.
1143 * main.cc: Include archive.h.
1144 (main): Call Archive::print_stats.
1145 * mapfile.cc (Mapfile::report_include_archive_member): Delete
1146 archive parameter; member_name is now the fully-decorated name.
1147 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
1148 * options.h: (General_options): Add --preread-archive-symbols option.
1149 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
1152 2008-08-04 Ian Lance Taylor <iant@google.com>
1154 * symtab.h (Symbol::use_plt_offset): New function.
1155 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
1156 * powerpc.cc (Relocate::relocate): Likewise.
1157 * sparc.cc (Relocate::relocate): Likewise.
1158 * x86_64.cc (Relocate::relocate): Likewise.
1159 * testsuite/weak_plt.sh: New test.
1160 * testsuite/weak_plt_main.cc: New test.
1161 * testsuite/weak_plt_shared.cc: New test.
1162 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
1163 (check_PROGRAMS): Add weak_plt.
1164 (check_DATA): Add weak_plt_shared.so.
1165 (weak_plt_main_pic.o, weak_plt): New targets.
1166 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
1167 * testsuite/Makefile.in: Rebuild.
1169 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
1171 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
1172 * testsuite/Makefile.in: Rebuild.
1174 2008-08-04 Alan Modra <amodra@bigpond.net.au>
1176 * Makefile.am (POTFILES.in): Set LC_ALL=C.
1177 * Makefile.in: Regenerate.
1178 * po/POTFILES.in: Regenerate.
1180 2008-07-29 Ian Lance Taylor <iant@google.com>
1182 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
1183 symbols before other symbols.
1184 * testsuite/script_test_2.cc (test_addr): Declare.
1185 (test_addr_alias): Declare.
1186 (main): Check that test_addr and test_addr_alias have the right
1188 * testsuite/script_test_2.t: Define test_addr_alias and
1191 2008-07-24 Ian Lance Taylor <iant@google.com>
1194 * descriptors.cc: New file.
1195 * descriptors.h: New file.
1196 * gold-threads.h (class Hold_optional_lock): New class.
1197 * fileread.cc: Include "descriptors.h".
1198 (File_read::~File_read): Release descriptor rather than closing
1200 (File_read::open) [file]: Call open_descriptor rather than open.
1201 Set is_descriptor_opened_.
1202 (File_read::open) [memory]: Assert that descriptor is not open.
1203 (File_read::reopen_descriptor): New function.
1204 (File_read::release): Release descriptor.
1205 (File_read::do_read): Make non-const. Reopen descriptor.
1206 (File_read::read): Make non-const.
1207 (File_read::make_view): Reopen descriptor.
1208 (File_read::do_readv): Likewise.
1209 * fileread.h (class File_read): Add is_descriptor_opened_ field.
1210 Update declarations.
1211 * layout.cc: Include "descriptors.h".
1212 (Layout::create_build_id): Use open_descriptor rather than open.
1213 * output.cc: Include "descriptors.h".
1214 (Output_file::open): Use open_descriptor rather than open.
1215 * archive.cc (Archive::const_iterator): Change Archive to be
1217 (Archive::begin, Archive::end): Make non-const.
1218 (Archive::count_members): Likewise.
1219 * archive.h (class Archive): Update declarations.
1220 * object.h (Object::read): Make non-const.
1221 * Makefile.am (CCFILES): Add descriptors.cc.
1222 (HFILES): Add descriptors.h.
1223 * Makefile.in: Rebuild.
1226 * gold.h: Always include <clocale>. Add Solaris workarounds
1227 following code in binutils/sysdep.h.
1230 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
1231 this->eh_frame_hdr_ is NULL before using it.
1233 * dynobj.cc (Versions::Versions): Update comment.
1235 * dynobj.cc (Versions::Versions): If there is an soname, use it as
1236 the base version name.
1238 * stringpool.cc (Stringpool_template::add_with_length): Set key to
1239 array size plus one.
1240 (Stringpool_template::set_string_offsets): Subtract one from key
1241 before using it as an array index.
1242 (Stringpool_template::get_offset_with_length): Likewise.
1243 (Stringpool_template::write_to_buffer): Likewise.
1244 * stringpool.h (Stringpool_template::get_offset_from_key):
1247 2008-07-23 Ian Lance Taylor <iant@google.com>
1250 * object.h (Merged_symbol_value::value): Do our best to handle a
1254 * script.cc (Version_script_info::get_versions): Don't add empty
1255 version tag to return value.
1256 (Version_script_info::get_symbol_version_helper): Change return
1257 type to bool. Add pversion parameter. Change all callers.
1258 (script_register_vers_node): Don't require a non-NULL tag.
1259 * script.h (class Version_script_info): Update declarations.
1260 (Version_script_info::get_symbol_version): Change return type to
1261 bool. Add version parameter. Change all callers.
1262 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
1263 handling. Handle an empty version from a version script.
1264 (Symbol_table::define_special_symbol): Likewise.
1265 * testsuite/ver_test_10.script: New file.
1266 * testsuite/ver_test_10.sh: New file.
1267 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
1268 (check_DATA): Add ver_test_10.syms.
1269 (ver_test_10.syms, ver_test_10.so): New target.
1270 * testsuite/Makefile.in: Rebuild.
1272 2008-07-23 Simon Baldwin <simonb@google.com>
1274 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
1275 to zero for undefined symbols from dynamic libraries.
1277 2008-07-23 Ian Lance Taylor <iant@google.com>
1279 * symtab.cc (Symbol_table::resolve): Remove version parameter.
1281 * symtab.h (class Symbol_table): Update declaration.
1282 * testsuite/ver_test_9.cc: New file.
1283 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
1284 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
1285 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
1286 (ver_test_9.so, ver_test_9.o): New targets.
1287 * testsuite/Makefile.in: Rebuild.
1289 2008-07-22 Ian Lance Taylor <iant@google.com>
1291 * options.h (class General_options): Define --check-sections.
1292 * layout.cc (Layout::set_segment_offsets): Handle
1295 * options.h (class General_options): Define -n/--nmagic and
1297 * options.cc (General_options::finalize): For -n/--nmagic or
1298 -N/--omagic, set -static.
1299 * layout.cc (Layout::attach_allocated_section_to_segment): If
1300 -N/--omagic, don't put read-only and read-write sections in
1302 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
1303 finding a read-only segment.
1304 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
1305 don't set the minimum segment alignment to the common page size,
1306 and don't set the file offset to the address modulo the page size.
1307 * script-sections.cc (Script_sections::create_segments): If
1308 -n/--omagic, don't put read-only and read-write sections in
1311 * cref.cc: New file.
1313 * options.h (class General_options): Add --print-symbol-counts.
1314 * main.cc (main): Issue defined symbol report if requested.
1315 * archive.cc (Archive::interpret_header): Make into a const member
1317 (Archive::add_symbols): Call Input_objects::archive_start and
1319 (Archive::const_iterator): Define new class.
1320 (Archive::begin, Archive::end): New functions.
1321 (Archive::include_all_members): Rewrite to use iterator.
1322 (Archive::count_members): New function.
1323 * archive.h (class Archive): Update declarations.
1324 (Archive::filename): New function.
1325 * object.cc: Include "cref.h".
1326 (Sized_relobj::Sized_relobj): Initialize defined_count_.
1327 (Sized_relobj::do_get_global_symbol_counts): New function.
1328 (Input_objects::add_object): Add object to cross-referencer.
1329 (Input_objects::archive_start): New function.
1330 (Input_objects::archive_stop): New function.
1331 (Input_objects::print_symbol_counts): New function.
1332 * object.h: Declare Cref and Archive.
1333 (Object::get_global_symbol_counts): New function.
1334 (Object::do_get_global_symbol_counts): New pure virtual function.
1335 (class Sized_relobj): Add defined_count_ field. Update
1337 (class Input_objects): Add cref_ field. Update constructor.
1338 Update declarations.
1339 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
1341 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
1343 (Sized_dynobj::do_get_global_symbol_counts): New function.
1344 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
1345 defined_count_. Update declarations. Define Symbols typedef.
1346 * symtab.cc (Symbol_table::add_from_relobj): Add defined
1347 parameter. Change all callers.
1348 (Symbol_table::add_from_dynobj): Add sympointers and defined
1349 parameters. Change all callers.
1350 * symtab.h (class Symbol_table): Update declarations.
1351 * Makefile.am (CCFILES): Add cref.cc.
1352 (HFILES): Add cref.h.
1353 * Makefile.in: Rebuild.
1355 2008-07-22 Simon Baldwin <simonb@google.com>
1357 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
1358 to zero when writing undefined symbols.
1360 2008-07-22 Ian Lance Taylor <iant@google.com>
1362 * output.cc (Output_section::add_input_section): Don't try to
1363 merge empty merge sections.
1365 2008-07-21 Craig Silverstein <csilvers@google.com>
1367 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1368 Include symbol version in error message.
1370 2008-07-20 Chris Demetriou <cgd@google.com>
1372 * configure.ac (gold_cv_c_random_seed): New configured variable.
1373 (RANDOM_SEED_CFLAGS): New substituted variable.
1374 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
1375 * configure: Rebuild.
1376 * Makefile.in: Likewise.
1377 * testsuite/Makefile.in: Likewise.
1379 2008-07-18 Ian Lance Taylor <iant@google.com>
1381 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
1382 where we see NAME/NULL and NAME/VERSION as separate symbols.
1383 * testsuite/ver_test_main.cc (main): Call t4.
1384 (t4, t4_2a): Define.
1385 * testsuite/ver_test_2.cc (t4_2): Define.
1386 * testsuite/ver_test_2.script: Put t4_2a in VER2.
1387 * testsuite/ver_test_4.cc (t4_2a): Define.
1388 * testsuite/ver_test_4.script: Put t4_2a in VER2.
1389 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
1391 2008-07-17 Ian Lance Taylor <iant@google.com>
1393 * dynobj.cc (Versions::add_def): If we give an error about a
1394 missing version, go ahead and create the version anyhow.
1396 2008-07-10 Ian Lance Taylor <iant@google.com>
1398 Handle output sections with more than 0x7fffffff bytes.
1399 * object.h (class Relobj): Change map_to_output_ to
1400 output_sections_, and just keep a section pointer. Change all
1401 uses. Move comdat group support to Sized_relobj.
1402 (Relobj::is_section_specially_mapped): Remove.
1403 (Relobj::output_section): Remove poff parameter. Change all
1405 (Relobj::output_section_offset): New function.
1406 (Relobj::set_section_offset): Rewrite.
1407 (Relobj::map_to_output): Remove.
1408 (Relobj::output_sections): New function.
1409 (Relobj::do_output_section_offset): New pure virtual function.
1410 (Relobj::do_set_section_offset): Likewise.
1411 (class Sized_relobj): Add section_offsets_ field. Add comdat
1412 group support from Relobj. Update declarations.
1413 (Sized_relobj::get_output_section_offset): New function.
1414 (Sized_relobj::do_output_section_offset): New function.
1415 (Sized_relobj::do_set_section_offset): New function.
1416 * object.cc (Relobj::output_section_address): Remove.
1417 (Sized_relobj::Sized_relobj): Initialize new fields.
1418 (Sized_relobj::include_section_group): Cast find_kept_object to
1420 (Sized_relobj::include_linkonce_section): Likewise.
1421 (Sized_relobj::do_layout): Use separate arrays for output section
1423 (Sized_relobj::do_count_local_symbols): Change map_to_output to
1425 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
1426 output_sections and section_offsets.
1427 (Sized_relobj::write_local_symbols): Likewise.
1428 (map_to_kept_section): Compute output address directly.
1429 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
1430 output_sections and section_offsets.
1431 (Sized_relobj::write_sections): Likewise.
1432 (Sized_relobj::relocate_sections): Likewise.
1433 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
1434 * output.h (class Output_reloc): Update declarations. Change
1435 u2_.relobj to Sized_relobj*.
1436 (class Output_data_reloc): Change add functions to use
1438 * output.cc (Output_reloc::Output_reloc): Change relobj to
1440 (Output_reloc::local_section_offset): Change return type to
1441 Elf_Addr. Use get_output_section_offset.
1442 (Output_reloc::get_address): Likewise.
1443 (Output_section::is_input_address_mapped): Don't call
1444 is_section_specially_mapped.
1445 (Output_section::output_offset): Likewise.
1446 (Output_section::output_address): Likewise.
1447 (Output_section::starting_output_address): Likewise.
1448 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
1449 parameter to Sized_relobj*.
1450 (Copy_relocs::need_copy_reloc): Likewise.
1451 (Copy_relocs::save): Likewise.
1452 * copy-relocs.h (class Copy_relocs): Update declarations.
1453 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
1454 Sized_relobj*. Change relobj_ field to Sized_relobj*.
1455 * target-reloc.h (relocate_for_relocatable): Change
1456 offset_in_output_section type to Elf_Addr. Change code that uses
1458 * layout.cc (Layout::layout): Always set *off.
1459 * mapfile.cc (Mapfile::print_input_section): Use
1460 output_section_offset.
1461 * i386.cc (Target_i386::copy_reloc): Change object parameter to
1463 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
1464 * sparc.cc (Target_sparc::copy_reloc): Likewise.
1465 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
1467 2008-07-03 Ian Lance Taylor <iant@google.com>
1469 * layout.cc (Layout::include_section): Do not discard unrecognized
1470 SHT_STRTAB sections.
1472 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
1474 * script.cc (Lex::can_continue_name): Make '?' allowable in
1475 version-script names.
1476 * testsuite/version_script.map: Change glob pattern to use '?'
1478 2008-06-30 Manish Singh <yosh@gimp.org>
1481 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
1484 2008-06-30 Ian Lance Taylor <iant@google.com>
1488 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
1489 versions]: Don't try to read the value in the contents, since we
1490 don't use it. Use the template endianness when writing.
1492 2008-06-25 Cary Coutant <ccoutant@google.com>
1494 * fileread.cc (File_read::make_view): Assert on zero-length view.
1495 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
1496 symbol table when there are no symbols to read.
1498 2008-06-23 Craig Silverstein <csilvers@google.com>
1500 * version.cc (version_string): Bump to 1.7
1502 2008-06-18 Craig Silverstein <csilvers@google.com>
1504 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
1505 constant 0xFFFF to type Valtype.
1506 (Powerpc_relocate_functions::rel16_ha): Likewise.
1508 2008-06-17 Ian Lance Taylor <iant@google.com>
1510 * output.h (Output_section::Input_section): Initialize p2align_ to
1511 zero for Output_section_data constructors.
1512 (Output_section::Input_section::addralign): If not an input
1513 section, return the alignment of the Output_section_data.
1514 * testsuite/copy_test.cc: New file.
1515 * testsuite/copy_test_1.cc: New file.
1516 * testsuite/copy_test_2.cc: New file.
1517 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
1518 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
1519 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
1520 (copy_test_1_pic.o, copy_test_1.so): New targets.
1521 (copy_test_2_pic.o, copy_test_2.so): New targets.
1522 * testsuite/Makefile.in: Rebuild.
1524 * script-sections.cc (Script_sections::place_orphan): Initialize
1525 local variable exact.
1527 2008-06-13 David Edelsohn <edelsohn@gnu.org>
1529 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
1531 2008-06-12 David Edelsohn <edelsohn@gnu.org>
1532 David S. Miller <davem@davemloft.net>
1534 * powerpc.cc: New file.
1535 * Makefile.am (TARGETSOURCES): Add powerpc.cc
1536 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
1537 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
1538 * Makefile.in: Rebuild.
1540 2008-06-09 Ian Lance Taylor <iant@google.com>
1542 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
1544 (throwing, orig_terminate): New static variables.
1545 (terminate_handler): New static function.
1546 (t2): Set terminate handler.
1548 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
1551 * binary.cc (Binary_to_elf::sized_convert): Fix .data
1554 2008-05-30 Cary Coutant <ccoutant@google.com>
1556 * archive.cc (Archive::include_all_members) Correct to step
1557 over symbol table and extended name table in thin archives.
1559 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
1562 * target-reloc.h (relocate_for_relocatable): Fix new_offset
1565 2008-05-28 Caleb Howe <cshowe@google.com>
1567 * reduced_debug_output.cc: New file.
1568 * reduced_debug_output.h: New file.
1569 * options.h (class General_options): Add --strip-debug-non-line.
1570 * options.cc (General_options::finalize): Add strip_debug_non_line
1571 to the strip heirarchy.
1572 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
1574 * layout.cc: Include "reduced_debug_output.h".
1575 (Layout::Layout): Initialize new fields.
1576 (line_only_debug_sections): New static array.
1577 (is_lines_only_debug_sections): New static inline function.
1578 (Layout::include_section): Handle --strip-debug-non-line.
1579 (Layout::make_output_section): If --strip-debug-non-line, build
1580 new output sections for .debug_abbrev and .debug_info.
1581 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
1582 gold. Warn about possible overflow.
1583 (read_signed_LEB_128): Likewise.
1584 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
1585 (read_signed_LEB_128): Declare.
1586 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
1587 (HFILES): Add reduced_debug_output.h.
1588 * Makefile.in: Rebuild.
1590 2008-05-21 Ian Lance Taylor <iant@google.com>
1592 * mapfile.cc: New file.
1593 * mapfile.h: New file.
1594 * options.h (class General_options): Add -M/--print-map and -Map.
1595 * options.cc (General_options::finalize): Make -M equivalent to
1597 * main.cc: Include <cstdio> and "mapfile.h".
1598 (main): Open mapfile if requested.
1599 * gold.cc (class Middle_runner): Add mapfile_ field. Update
1600 constructor. Change caller.
1601 (queue_initial_tasks): Add mapfile parameter. Change caller.
1602 (queue_middle_tasks): Likewise.
1603 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
1605 * archive.cc: Include "mapfile.h".
1606 (Archive::add_symbols): Add mapfile parameter. Change all
1607 callers. Pass mapfile, symbol, and reason to include_member.
1608 (Archive::include_all_members): Add mapfile parameter. Change all
1610 (Archive::include_member): Add mapfile, sym, and why parameters.
1611 Change all callers. Report inclusion to map file.
1612 * archive.h: Include "fileread.h".
1613 (class Archive): Update declarations.
1614 (Archive::file): New const method.
1615 (class Add_archive_symbols): Add mapfile_ field. Update
1616 constructor. Change all callers.
1617 * readsyms.h (class Read_symbols): Likewise.
1618 (class Finish_group): Likewise.
1619 (class Read_script): Likewise.
1620 * common.cc: Include "mapfile.h".
1621 (Symbol_table::allocate_commons): Add mapfile parameter. Change
1623 (Symbol_table::do_allocate_commons): Likewise.
1624 (Symbol_table::do_allocate_commons_list): Likewise. Report common
1625 symbol allocation to mapfile.
1626 * common.h (class Allocate_commons_task): Add mapfile_ field.
1627 Update constructor. Change all callers.
1628 * symtab.h (class Symbol_table): Update declarations.
1629 * layout.cc: Include "mapfile.h".
1630 (Layout_task_runner::run): Print information to mapfile.
1631 (Layout::create_gold_note): Change Output_data_fixed_space to
1632 Output_data_zero_fill.
1633 (Layout::create_build_id): Likewise.
1634 (Layout::print_to_mapfile): New function.
1635 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
1636 constructor. Change caller.
1637 (class Layout): Declare print_to_mapfile.
1638 * output.cc (Output_section::Input_section::print_to_mapfile): New
1640 (Output_section::add_input_section): If producing a map, always
1641 add to input_sections_ list.
1642 (Output_section::do_print_to_mapfile): New function.
1643 (Output_segment::print_sections_to_mapfile): New function.
1644 (Output_segment::print_section_list_to_mapfile): New function.
1645 * output.h: Include "mapfile.h".
1646 (Output_data::print_to_mapfile): New function.
1647 (Output_data::do_print_to_mapfile): New virtual function.
1648 (Output_segment_headers::do_print_to_mapfile): New function.
1649 (Output_file_header::do_print_to_mapfile): New function.
1650 (Output_data_const::do_print_to_mapfile): New function.
1651 (class Output_data_const_buffer): Add map_name_ field. Update
1652 constructor. Change all callers. Add do_print_to_mapfile
1654 (class Output_data_fixed_space): Likewise.
1655 (class Output_data_space): Likewise.
1656 (class Output_data_zero_fill): New class.
1657 (Output_data_strtab::do_print_to_mapfile): New function.
1658 (Output_data_reloc_base::do_print_to_mapfile): New function.
1659 (Output_relocatable_relocs::do_print_to_mapfile): New function.
1660 (Output_data_group::do_print_to_mapfile): New function.
1661 (Output_data_got::do_print_to_mapfile): New function.
1662 (Output_data_dynamic::do_print_to_mapfile): New function.
1663 (Output_symtab_xindex::do_print_to_mapfile): New function.
1664 (class Output_section): Declare do_print_to_mapflie. Declare
1665 print_to_mapfile in Input_section.
1666 (class Output_segment): Declare new functions.
1667 * object.h (Sized_relobj::symbol_count): New function.
1668 * script-sections.cc
1669 (Output_section_element_dot_assignment::set_section_addresses):
1670 Change Output_data_fixed_space to Output_data_zero_fill.
1671 (Output_data_expression::do_print_to_mapfile): New function.
1672 * script.cc (read_input_script): Add mapfile parameter. Change
1674 * script.h (read_input_script): Update declaration.
1675 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
1676 (Eh_frame::do_print_to_mapfile): New function.
1677 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
1678 (Output_merge_string::do_print_to_mapfile): New function.
1679 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
1681 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
1683 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
1685 * Makefile.am (CCFILES): Add mapfile.cc.
1686 (HFILES): Add mapfile.h.
1687 * Makefile.in: Rebuild.
1689 2008-05-19 Ian Lance Taylor <iant@google.com>
1691 * options.h (class General_options): Add -z relro.
1692 * layout.cc (Layout::Layout): Initialize relro_segment_.
1693 (Layout::add_output_section_data): Return the output section.
1694 (Layout::make_output_section): Rcognize relro sections and mark
1696 (Layout::attach_allocated_section_to_segment): Put relro sections
1697 in a PT_GNU_RELRO segment.
1698 (Layout::create_initial_dynamic_sections): Mark the .dynamic
1700 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
1702 (Layout::linkonce_mapping): Map d.rel.ro.local to
1704 (Layout::output_section_name): Us .data.rel.ro.local for any
1705 section which begins with that.
1706 * layout.h (class Layout): Update add_output_section_data
1707 declaration. Add relro_segment_ field.
1708 * output.cc (Output_section::Output_section): Initialize is_relro_
1709 and is_relro_local_ fields.
1710 (Output_segment::add_output_section): Group relro sections.
1711 (Output_segment::is_first_section_relro): New function.
1712 (Output_segment::maximum_alignment): If there is a relro section,
1713 align the segment to the common page size.
1714 (Output_segment::set_section_addresses): Track whether we are
1715 looking at relro sections. If the last section is a relro
1716 section, align to the common page size.
1717 (Output_segment::set_section_list_addresses): Add in_relro
1718 parameter. Change all callers. Align to the page size when
1719 moving from relro to non-relro section.
1720 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
1722 * output.h (class Output_section): Add is_relro_ and
1723 is_relro_local_ fields.
1724 (Output_section::is_relro): New function.
1725 (Output_section::set_is_relro): New function.
1726 (Output_section::is_relro_local): New function.
1727 (Output_section::set_is_relro_local): New function.
1728 (class Output_segment): Update declarations.
1729 * i386.cc (Target_i386::got_section): Mark .got section as relro.
1730 * sparc.cc (Target_sparc::got_section): Likewise.
1731 * x86_64.cc (Target_x86_64::got_section): Likewise.
1732 * testsuite/relro_test_main.cc: New file.
1733 * testsuite/relro_test.cc: New file.
1734 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
1735 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
1736 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
1737 (relro_test.so, relro_test_pic.o): New targets.
1738 * testsuite/Makefile.in: Rebuild.
1740 2008-05-16 Ian Lance Taylor <iant@google.com>
1742 * output.cc (Output_segment::add_output_section): Remove front
1744 * output.h (class Output_segment): Remove
1745 add_initial_output_section and overloaded add_output_section.
1746 Update declaration of remaining add_output_section.
1747 * layout.cc (Layout::create_interp): Call add_output_section
1748 rather than add_initial_output_section.
1749 (Layout::finish_dynamic_section): Likewise.
1751 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
1752 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
1753 know the dynamic type.
1754 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
1755 field. Initialize it in constructor.
1756 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
1757 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
1758 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
1761 * output.cc (Output_reloc::get_address): Change return type to
1763 * output.h (class Output_reloc): Update get_address declaration.
1764 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
1765 for section addresses.
1767 2008-05-09 Ian Lance Taylor <iant@google.com>
1770 * gold.cc (gold_nomem): Use return value of write.
1772 2008-05-08 Ian Lance Taylor <iant@google.com>
1774 * symtab.c (Symbol::init_base_output_data): Add version
1775 parameter. Change all callers.
1776 (Symbol::init_base_output_segment): Likewise.
1777 (Symbol::init_base_constant): Likewise.
1778 (Symbol::init_base_undefined): Likewise.
1779 (Sized_symbol::init_output_data): Likewise.
1780 (Sized_symbol::init_output_segment): Likewise.
1781 (Sized_symbol::init_constant): Likewise.
1782 (Sized_symbol::init_undefined): Likewise.
1783 (Symbol_table::do_define_in_output_data): If the new symbol has a
1784 version, mark it as the default.
1785 (Symbol_table::do_define_in_output_segment): Likewise.
1786 (Symbol_table::do_define_as_constant): Likewise.
1787 * symtab.h (class Symbol): Update declarations.
1788 (class Sized_symbol): Likewise.
1789 * resolve.cc (Symbol::override_version): New function.
1790 (Symbol::override_base): Call override_version.
1791 (Symbol::override_base_with_special): Likewise.
1792 * testsuite/ver_script_8.script: New file.
1793 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
1794 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
1795 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
1796 (ver_test_8_1.so, ver_test_8_2.so): New targets.
1798 2008-05-06 Ian Lance Taylor <iant@google.com>
1801 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
1803 (class General_options): Remove existing --undefined, and add
1804 --no-undefined instead. Add new --undefined as synonym for -u.
1805 * archive.cc (Archive::add_symbols): Check whether symbol was
1807 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
1808 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
1809 all uses. Add IS_UNDEFINED. Update declarations to split
1810 different versions of init_base. Declare init_base_undefined.
1811 (Symbol::is_defined): Handle IS_UNDEFINED.
1812 (Symbol::is_undefined): Likewise.
1813 (Symbol::is_weak_undefined): Call is_undefined.
1814 (Symbol::is_absolute): Handle IS_CONSTANT.
1815 (class Sized_symbol): Update declarations to split different
1816 versions of init. Declare init_undefined.
1817 (class Symbol_table): Declare new functions.
1818 * symtab.cc (Symbol::init_base_object): Rename from init_base.
1820 (Symbol::init_base_output_data): Likewise.
1821 (Symbol::init_base_output_segment): Likewise.
1822 (Symbol::init_base_constant): Likewise.
1823 (Symbol::init_base_undefined): New function.
1824 (Sized_symbol::init_object): Rename from init. Change all
1826 (Sized_symbol::init_output_data): Likewise.
1827 (Sized_symbol::init_output_segment): Likewise.
1828 (Sized_symbol::init_constant): Likewise.
1829 (Sized_symbol::init_undefined): New function.
1830 (Symbol_table::add_undefined_symbols_from_command_line): New
1832 (Symbol_table::do_add_undefined_symbols_from_command_line): New
1834 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
1835 (Symbol::output_section): Likewise.
1836 (Symbol::set_output_section): Likewise.
1837 (Symbol_table::sized_finalize_symbol): Likewise.
1838 (Symbol_table::sized_write_globals): Likewise.
1839 * resolve.cc (Symbol_table::should_override): Likewise.
1840 (Symbol::override_base_with_special): Likewise.
1842 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
1843 symbol, change it to have default visibility.
1844 * testsuite/protected_1.cc: New file.
1845 * testsuite/protected_2.cc: New file.
1846 * testsuite/protected_3.cc: New file.
1847 * testsuite/protected_main_1.cc: New file.
1848 * testsuite/protected_main_2.cc: New file.
1849 * testsuite/protected_main_3.cc: New file.
1850 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
1851 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
1852 (protected_1_LDFLAGS, protected_1_LDADD): Define.
1853 (protected_1.so): New target.
1854 (protected_1_pic.o, protected_2_pic.o): New targets.
1855 (protected_3_pic.o): New target.
1856 (check_PROGRAMS): Add protected_2.
1857 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
1858 (protected_2_LDFLAGS, protected_2_LDADD): Define.
1859 * testsuite/Makefile.in: Rebuild.
1861 * options.h (DEFINE_var): Add set_user_set_##varname__.
1862 (DEFINE_bool_alias): New macro.
1863 (class General_options): Define -Bstatic using DEFINE_bool_alias
1864 rather than DEFINE_special. Add --undefined as an alias for -z
1866 * options.cc (General_options::parse_Bstatic): Remove.
1868 * options.h (class General_options): Add --fatal-warnings.
1869 * main.cc (main): Implement --fatal-warnings.
1870 * errors.h (Errors::warning_count): New function.
1872 * options.h (class General_options): Add -Bsymbolic-functions.
1873 * symtab.h (Symbol::is_preemptible): Check for
1874 -Bsymbolic-functions.
1876 2008-05-05 Ian Lance Taylor <iant@google.com>
1878 * options.h (DEFINE_bool): For DASH_Z, create the negative option
1879 as noVARNAME rather than no-VARNAME.
1880 (class General_options): Add option -z combreloc.
1881 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
1883 (Output_reloc::sort_before) [SHT_REL]: New function.
1884 (Output_reloc::sort_before) [SHT_RELA]: New function.
1885 (class Output_data_reloc_base): Add sort_relocs_ field. Define
1886 Sort_relocs_comparison.
1887 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
1888 parameter. Change all callers.
1889 (Output_data_reloc::Output_data_reloc) [both versions]: Add
1890 sort_relocs parameter. Change all callers.
1891 * output.cc (Output_reloc::get_address): New function, broken out
1893 (Output_reloc::write_rel): Call it.
1894 (Output_reloc::compare): New function.
1895 (Output_data_reloc_base::do_write): Optionally sort relocs.
1897 * configure.ac: If targ_extra_obj is set, link it in.
1898 * configure.tgt: Initialize all variables.
1899 (x86_64*): Set targ_extra_obj and targ_extra_size.
1900 * configure: Rebuild.
1902 * object.cc (Sized_relobj::include_section_group): Adjust section
1903 indexes read from group data. Build vector to pass to
1905 * layout.cc (Layout::layout_group): Add flags and shndxes
1906 parameters. Remove contents parameter. Change caller. Update
1907 explicit instantiations.
1908 * layout.h (class Layout): Update layout_group declaration.
1909 * output.cc (Output_data_group::Output_data_group): Add flags and
1910 input_shndxes parameters. Remove contents parameter. Change
1912 (Output_data_group::do_write): Change input_sections_ to
1914 * output.h (class Output_data_group): Update constructor
1915 declaration. Rename input_sections_ to input_shndxes_.
1916 * testsuite/many_sections_test.cc: Add template.
1918 2008-04-30 Cary Coutant <ccoutant@google.com>
1920 * target-reloc.h (relocate_section): Fix dead-pointer bug.
1922 * layout.cc (Layout::include_section): Refactored check for debug
1924 (Layout::add_comdat): Add new parameters. Change type
1925 of signature parameter. Add object and shndx to signatures table.
1926 (Layout::find_kept_object): New function.
1927 * layout.h: Include <cstring>.
1928 (Layout::is_debug_info_section): New function.
1929 (Layout::add_comdat): Add new parameters.
1930 (Layout::find_kept_object): New function.
1931 (Layout::Kept_section): New struct.
1932 (Layout::Signatures): Change type of map range.
1933 * object.cc (Relobj::output_section_address): New function.
1934 (Sized_relobj::include_section_group): Add new parameters. Change
1935 calls to Layout::add_comdat. Change to build table of kept comdat
1936 groups and table mapping discarded sections to kept sections.
1937 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
1938 (Sized_relobj::do_layout): Change calls to include_section_group and
1939 include_linkonce_section.
1940 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
1941 value to zero when section is discarded.
1942 (Sized_relobj::map_to_kept_section): New function.
1943 * object.h (Relobj::output_section_address): New function.
1944 (Relobj::Comdat_group): New type.
1945 (Relobj::find_comdat_group): New function.
1946 (Relobj::Comdat_group_table): New type.
1947 (Relobj::Kept_comdat_section): New type.
1948 (Relobj::Kept_comdat_section_table): New type.
1949 (Relobj::add_comdat_group): New function.
1950 (Relobj::set_kept_comdat_section): New function.
1951 (Relobj::get_kept_comdat_section): New function.
1952 (Relobj::comdat_groups_): New field.
1953 (Relobj::kept_comdat_sections_): New field.
1954 (Symbol_value::input_value): Update comment.
1955 (Sized_relobj::map_to_kept_section) New function.
1956 (Sized_relobj::include_linkonce_section): Add new parameter.
1957 * target-reloc.h (Comdat_behavior): New type.
1958 (get_comdat_behavior): New function.
1959 (relocate_section): Add code to map a discarded section to the
1960 corresponding kept section when applying a relocation.
1962 2008-04-30 Craig Silverstein <csilvers@google.com>
1964 * dwarf_reader.cc (next_generation_count): New static var.
1965 (Addr2line_cache_entry): New struct.
1966 (addr2line_cache): New static var.
1967 (Dwarf_line_info::one_addr2line): Added caching.
1968 (Dwarf_line_info::clear_addr2line_cache): New function.
1969 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
1970 cache-size parameter.
1971 (Dwarf_line_info::one_addr2line_cache): New function.
1972 * symtab.cc (Symbol_table::detect_odr_violations): Pass
1973 new cache-size argument to one_addr2line(), and clear cache.
1975 2008-04-28 Cary Coutant <ccoutant@google.com>
1977 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
1978 R_386_PC8 relocations.
1980 2008-04-23 Ian Lance Taylor <iant@google.com>
1982 * object.cc (Sized_relobj::include_section_group): Check for
1983 invalid section group.
1985 * object.cc (make_elf_object): Correct test for 64-bit ELF file
1988 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
1989 than read for file header.
1990 * archive.cc (Archive::include_member): Likewise.
1992 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
1994 * aclocal.m4: Regenerate.
1995 * configure: Regenerate.
1997 2008-04-19 Ian Lance Taylor <iant@google.com>
1999 * version.cc (version_string): Bump to 1.6.
2001 * testsuite/Makefile.am (many_sections_r_test): New target.
2002 (many_sections_r_test_SOURCES): Remove.
2003 (many_sections_r_test_DEPENDENCIES): Remove.
2004 (many_sections_r_test_LDFLAGS): Remove.
2005 (many_sections_r_test_LDADD): Remove.
2007 * object.cc (Sized_relobj::do_add_symbols): Always pass
2008 local_symbol_count_ to add_from_relobj.
2010 * testsuite/Makefile.am (many_sections_check.h): Only check one in
2011 every thousand variables.
2012 * testsuite/Makefile.in: Rebuild.
2014 * object.cc (Xindex::initialize_symtab_xindex): New function.
2015 (Xindex::read_symtab_xindex): New function.
2016 (Xindex::sym_xindex_to_shndx): New function.
2017 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
2019 (Sized_relobj::do_initialize_xindex): New function.
2020 (Sized_relobj::do_read_symbols): Adjust section links.
2021 (Sized_relobj::symbol_section_and_value): Add is_ordinary
2022 parameter. Change all callers.
2023 (Sized_relobj::include_section_group): Adjust section links and
2024 symbol section indexes.
2025 (Sized_relobj::do_layout): Adjust section links.
2026 (Sized_relobj::do_count_local_symbols): Adjust section links and
2027 symbol section indexes.
2028 (Sized_relobj::do_finalize_local_symbols): Distinguish between
2029 ordinary and special symbols.
2030 (Sized_relobj::write_local_symbols): Add symtab_xindex and
2031 dynsym_xindex parameters. Change all callers. Adjust section
2032 links. Use SHN_XINDEX when needed.
2033 (Sized_relobj::get_symbol_location_info): Adjust section links.
2034 Don't get fooled by special symbols.
2035 * object.h (class Xindex): Define.
2036 (class Object): Add xindex_ parameter. Declare virtual functoin
2037 do_initialize_xindex.
2038 (Object::adjust_sym_shndx): New function.
2039 (Object::set_xindex): New protected function.
2040 (class Symbol_value): Add is_ordinary_shndx_ field.
2041 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
2042 (Symbol_value::value): Assert ordinary section.
2043 (Symbol_value::initialize_input_to_output_map): Likewise.
2044 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
2046 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
2048 (class Sized_relobj): Update declarations.
2049 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
2050 parameter. Change all callers.
2051 (Sized_relobj::adjust_shndx): New function.
2052 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
2054 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
2055 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
2056 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
2057 (Sized_dynobj::read_dynsym_section): Adjust section links.
2058 (Sized_dynobj::read_dynamic): Likewise.
2059 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
2061 (Sized_dynobj::do_initialize_xindex): New function.
2062 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
2063 do_initialize_xindex.
2064 (Sized_dynobj::adjust_shndx): New function.
2065 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
2066 dynsym_xindex_ fields.
2067 (Layout::finalize): Add a call to set_section_indexes before
2068 creating the symtab sections.
2069 (Layout::set_section_indexes): Don't do anything if the section
2070 already has a section index.
2071 (Layout::create_symtab_sections): Add shnum parameter. Change
2072 caller. Create .symtab_shndx section if needed.
2073 (Layout::create_shdrs): Add shstrtab_section parameter. Change
2075 (Layout::allocated_output_section_count): New function.
2076 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
2078 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
2079 fields. Update declarations.
2080 (Layout::symtab_xindex): New function.
2081 (Layout::dynsym_xindex): New function.
2082 (class Write_symbols_task): Add layout_ field.
2083 (Write_symbols_task::Write_symbols_task): Add layout parameter.
2085 * output.cc (Output_section_headers::Output_section_headers): Add
2086 shstrtab_section parameter. Change all callers.
2087 (Output_section_headers::do_sized_write): Store overflow values
2088 for section count and section string table section index in
2089 section header zero.
2090 (Output_file_header::do_sized_write): Check for overflow of
2091 section count and section string table section index.
2092 (Output_symtab_xindex::do_write): New function.
2093 (Output_symtab_xindex::endian_do_write): New function.
2094 * output.h (class Output_section_headers): Add shstrtab_section_.
2095 Update declarations.
2096 (class Output_symtab_xindex): Define.
2097 (Output_section::has_out_shndx): New function.
2098 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
2100 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
2102 (Sized_symbol::init): Likewise.
2103 (Symbol::output_section): Check for ordinary symbol.
2104 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
2105 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
2107 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
2108 Change all callers. Simplify handling of symbols from sections
2109 not included in the link.
2110 (Symbol_table::add_from_dynobj): Handle ordinary symbol
2112 (Weak_alias_sorter::operator()): Assert that symbols are
2114 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
2116 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
2117 parameters. Change all callers.
2118 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
2119 symbol distinction. Use SHN_XINDEX when needed.
2120 (Symbol_table::write_section_symbol): Add symtab_xindex
2121 parameter. Change all callers.
2122 (Symbol_table::sized_write_section_symbol): Likewise. Use
2123 SHN_XINDEX when needed.
2124 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
2126 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
2127 (Symbol::is_defined): Check is_ordinary.
2128 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
2129 (Symbol::is_absolute, Symbol::is_common): Likewise.
2130 (class Sized_symbol): Update declarations.
2131 (class Symbol_table): Update declarations.
2132 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
2133 parameters. Change all callers.
2134 (Sized_symbol::override): Likewise.
2135 (Symbol_table::override): Likewise.
2136 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
2137 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
2138 is_ordinary, and orig_st_shndx parameters. Change all callers.
2139 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
2140 to be in an ordinary section.
2141 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
2142 object and is_ordinary parameters. Change all callers.
2143 (Sized_dwarf_line_info::read_relocs): Add object parameter.
2144 Change all callers. Don't add undefined or non-ordinary symbols
2146 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
2148 * dwarf_reader.h (class Sized_dwarf_line_info): Update
2150 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
2151 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
2152 (Sized_relobj::relocate_sections): Likewise.
2153 * target-reloc.h (scan_relocs): Adjust section symbol index.
2154 (scan_relocatable_relocs): Likewise.
2155 * i386.cc (Scan::local): Check for ordinary symbols.
2156 * sparc.cc (Scan::local): Likewise.
2157 * x86_64.cc (Scan::local): Likewise.
2158 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
2159 to symbol_section_and_value.
2160 * testsuite/many_sections_test.cc: New file.
2161 * testsuite/Makefile.am (BUILT_SOURCES): Define.
2162 (check_PROGRAMS): Add many_sections_test.
2163 (many_sections_test_SOURCES): Define.
2164 (many_sections_test_DEPENDENCIES): Define.
2165 (many_sections_test_LDFLAGS): Define.
2166 (BUILT_SOURCES): Add many_sections_define.h.
2167 (many_sections_define.h): New target.
2168 (BUILT_SOURCES): Add many_sections_check.h.
2169 (many_sections_check.h): New target.
2170 (check_PROGRAMS): Add many_sections_r_test.
2171 (many_sections_r_test_SOURCES): Define.
2172 (many_sections_r_test_DEPENDENCIES): Define.
2173 (many_sections_r_test_LDFLAGS): Define.
2174 (many_sections_r_test_LDADD): Define.
2175 (many_sections_r_test.o): New target.
2176 * testsuite/Makefile.in: Rebuild.
2178 2008-04-17 Cary Coutant <ccoutant@google.com>
2180 * errors.cc (Errors::info): New function.
2181 (gold_info): New function.
2182 * errors.h (Errors::info): New function.
2183 * gold.h (gold_info): New function.
2184 * object.cc (Input_objects::add_object): Print trace output.
2185 * options.cc (options::parse_set): New function.
2186 (General_options::parse_wrap): Deleted.
2187 (General_options::General_options): Deleted initializer.
2188 * options.h (options::String_set): New typedef.
2189 (options::parse_set): New function.
2190 (DEFINE_set): New macro.
2191 (General_options::wrap): Changed to use DEFINE_set. Changed
2192 callers of any_wrap_symbols and is_wrap_symbol.
2193 (General_options::trace, General_options::trace_symbol):
2195 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
2196 (General_options::wrap_symbols_): Deleted.
2197 * symtab.cc (Symbol_table::add_from_object): Print trace output.
2199 2008-04-17 David S. Miller <davem@davemloft.net>
2201 * options.cc (General_options::parse_V): New function.
2202 * options.h: Add entries for -V and -Qy.
2204 2008-04-17 Ian Lance Taylor <iant@google.com>
2206 * common.cc (Symbol_table::allocate_commons): Remove options
2207 parameter. Change caller.
2208 (Symbol_table::do_allocate_commons): Remove options parameter.
2209 Change caller. Just call do_allocate_commons_list twice.
2210 (Symbol_table::do_allocate_commons_list): New function, broken out
2211 of do_allocate_commons.
2212 * common.h (class Allocate_commons_task): Remove options_ field.
2214 * symtab.cc (Symbol_table::Symbol_table): Initialize
2216 (Symbol_table::add_from_object): Put TLS common symbols on
2218 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
2219 which are IN_OUTPUT_DATA.
2220 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
2221 allocate_commons and do_allocate_commons declarations. Declare
2222 do_allocate_commons_list.
2223 * gold.cc (queue_middle_tasks): Update creation of
2224 Allocate_commons_task to not pass options.
2225 * testsuite/Makefile.am (INCLUDES): Add -I.. .
2226 (TLS_TEST_C_FLAGS): New variable.
2227 (tls_test_c_pic.o): New target.
2228 (tls_test_shared.so): Link in tls_test_c_pic.o.
2229 (tls_test_c_pic_ie.o): New target.
2230 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
2231 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
2232 (tls_test_c.o): New target.
2233 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
2234 (tls_pic_test_LDADD): Likewise.
2235 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
2236 (tls_shared_gd_to_ie_test_LDADD): Likewise.
2237 (tls_test_c_gnu2.o): New target.
2238 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
2240 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
2241 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
2242 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
2243 * testsuite/tls_test.cc: Include "config.h".
2244 (t_last): Call t11_last.
2245 * testsuite/tls_test.h (t11, t11_last): Declare.
2246 * testsuite/tls_test_c.c: New file.
2247 * testsuite/tls_test_main.cc (thread_routine): Call t11.
2248 * configure.ac: Check for OpenMP support.
2249 * configure, config.in, Makefile.in: Rebuild.
2250 * testsuite/Makefile.in: Rebuild.
2252 2008-04-16 Cary Coutant <ccoutant@google.com>
2254 * i386.cc (Target_i386::define_tls_base_symbol): New function.
2255 (Target_i386::tls_base_symbol_defined_): New field.
2256 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2257 (Target_i386::Scan::global): Likewise.
2258 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
2259 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
2260 (Target_x86_64::tls_base_symbol_defined_): New field.
2261 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2262 (Target_x86_64::Scan::global): Likewise.
2264 2008-04-16 Cary Coutant <ccoutant@google.com>
2266 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
2267 (Symbol::needs_plt_entry): Allow weak undefined symbols.
2268 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
2269 building shared libraries.
2270 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
2271 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
2272 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
2273 * testsuite/Makefile.in: Rebuild.
2274 * testsuite/weak_undef.h: New file.
2275 * testsuite/weak_undef_file1.cc: Add extra test cases.
2276 * testsuite/weak_undef_file2.cc: Likewise.
2277 * testsuite/weak_undef_test.cc: Likewise.
2279 2008-04-16 David S. Miller <davem@davemloft.net>
2281 * sparc.cc (Target_sparc::Scan): Change from struct to class.
2282 Add issued_non_pic_error_ field. Declare check_non_pic.
2283 (Target_sparc::Scan::check_non_pic): New function.
2284 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
2285 (Target_sparc::Scan::global): Likewise.
2287 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
2288 * configure: Rebuild.
2290 * options.h (DEFINE_enable): New macro.
2291 (new_dtags): New enable option.
2292 (initfirst, interpose, loadfltr, nodefaultlib,
2293 nodelete, nodlopen, nodump): New -z options.
2294 * layout.cc (Layout:finish_dynamic_section): If new
2295 dtags enabled, emit DT_RUNPATH. Also, emit a
2296 DT_FLAGS_1 containing any specified -z flags.
2298 2008-04-16 Ian Lance Taylor <iant@google.com>
2300 * copy-relocs.cc: New file.
2301 * copy-relocs.h: New file.
2302 * reloc.cc: Remove Copy_relocs code.
2303 * reloc.h: Likewise.
2304 * reloc-types.h (struct Reloc_types) [both versions]: Add
2305 get_reloc_addend_noerror.
2306 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
2307 variants of add_global which take an addend which must be zero.
2308 * i386.cc: Include "copy-relocs.h".
2309 (class Target_i386): Change type of copy_relocs_ to variable,
2311 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
2313 (Target_i386::do_finalize_sections): Change handling of
2315 * sparc.cc: Include "copy-relocs.h".
2316 (class Target_sparc): Change type of copy_relocs_ to variable,
2318 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
2320 (Target_sparc::do_finalize_sections): Change handling of
2322 * x86_64.cc: Include "copy-relocs.h".
2323 (class Target_x86_64): Change type of copy_relocs_ to variable,
2325 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
2326 class. Change all callers.
2327 (Target_x86_64::do_finalize_sections): Change handling of
2329 * Makefile.am (CCFILES): Add copy-relocs.cc.
2330 (HFILES): Add copy-relocs.h.
2332 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
2334 * testsuite/script_test_4.sh: Permit leading zeroes.
2336 2008-04-15 Ian Lance Taylor <iant@google.com>
2338 * script-sections.cc (Script_sections::create_segments): Use
2339 header_size_adjustment even when there is enough room for the
2341 * testsuite/script_test_4.sh: New file.
2342 * testsuite/script_test_4.t: New file.
2343 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
2344 (check_DATA): Add script_test_4.stdout.
2345 (MOSTLYCLEANFILES): Likewise.
2346 (script_test_4): New target.
2347 (script_test_4.stdout): New target.
2348 * testsuite/Makefile.in: Rebuild.
2350 * sparc.cc: Add definitions for Output_data_plt_sparc class
2353 2008-04-14 David S. Miller <davem@davemloft.net>
2355 * sparc.cc: New file.
2356 * Makefile.am (TARGETSOURCES): Add sparc.cc
2357 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
2358 * configure.tgt: Document targ_extra_size and
2359 targ_extra_big_endian. Add entries for sparc-* and
2361 * configure.ac: Handle targ_extra_size and
2362 targ_extra_big_endian.
2363 * Makefile.in: Rebuild.
2364 * configure: Likewise.
2365 * po/POTFILES.in: Likewise.
2366 * po/gold.pot: Likewise.
2368 2008-04-14 Ian Lance Taylor <iant@google.com>
2370 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
2371 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
2372 in the name/type/flags to section mapping. Don't call
2373 allocate_output_section.
2374 (Layout::choose_output_section): Change parameter from adjust_name
2375 to is_input_section. Don't permit input sections after sections
2376 are attached to segments. Don't call allocate_output_section.
2377 (Layout::layout_eh_frame): Call update_flags_for_input_section,
2378 not write_enable_output_section.
2379 (Layout::make_output_section): Don't push to
2380 unattached_section_list_ nor call attach_to_segment. Call
2381 attach_section_to_segment if sections are attached.
2382 (Layout::attach_sections_to_segments): New function.
2383 (Layout::attach_section_to_segment): New function.
2384 (Layout::attach_allocated_section_to_segment): Rename from
2385 attach_to_segment. Remove flags parameter.
2386 (Layout::allocate_output_section): Remove function.
2387 (Layout::write_enable_output_section): Remove function.
2388 * layout.h (class Layout): Update for above changes. Add new
2389 field sections_are_attached_.
2390 * output.h (Output_section::update_flags_for_input_section): New
2392 * output.cc (Output_section::add_input_section): Call
2393 update_flags_for_input_section.
2394 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2396 2008-04-11 Cary Coutant <ccoutant@google.com>
2398 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
2399 thought unnecessary.
2400 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2402 2008-04-11 Ian Lance Taylor <iant@google.com>
2404 * output.h (class Output_section_data): Remove inline definition
2406 * output.cc (Output_section_data::set_addralign): New function.
2408 2008-04-11 Cary Coutant <ccoutant@google.com>
2410 Add support for TLS descriptors for i386 and x86_64.
2411 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
2412 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
2413 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
2415 (Target_i386::got_mod_index_entry): Remove unnecessary code.
2416 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
2417 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
2419 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
2420 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
2421 Fix problem with initial-exec relocations.
2422 (Target_i386::Relocate::relocate_tls): Likewise.
2423 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
2425 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
2426 support for section-plus-offset dynamic table entries.
2427 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
2428 (Output_data_dynamic::Dynamic_entry): Add support for
2429 section-plus-offset dynamic table entries.
2430 (Output_data_dynamic::Classification): Likewise.
2431 (Output_data_dynamic::classification_): Renamed offset_.
2432 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
2433 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
2434 (Target_x86_64::make_plt_section): New function.
2435 (Target_x86_64::reserve_tlsdesc_entries): New function.
2436 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
2437 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
2438 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
2439 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
2440 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
2441 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
2442 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
2443 add extra PLT entry for TLS descriptors.
2444 (Output_data_plt_x86_64::got_): New field.
2445 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
2446 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
2448 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
2450 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
2451 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
2452 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
2453 R_386_TLS_DESC_CALL relocations.
2454 (Target_x86_64::Scan::global): Likewise.
2455 (Target_x86_64::do_finalize_sections): Add dynamic table entries
2456 for TLS descriptors.
2457 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
2458 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
2459 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
2460 GD-to-IE relaxation.
2461 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
2462 and TLS_DESCRIPTORS.
2463 * Makefile.in: Rebuild.
2464 * configure: Rebuild.
2465 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
2466 (tls_test_shared2.so): New target.
2467 (tls_shared_gd_to_ie_test_SOURCES): New variable.
2468 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
2469 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
2470 (tls_shared_gd_to_ie_test_LDADD): New variable.
2471 (tls_shared_gnu2_gd_to_ie_test): New target.
2472 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
2474 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
2475 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
2476 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
2477 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
2478 (tls_shared_gnu2_test): New target.
2479 (tls_test_gnu2_shared.so): New target.
2480 (tls_shared_gnu2_test_SOURCES): New variable.
2481 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
2482 (tls_shared_gnu2_test_LDFLAGS): New variable.
2483 (tls_shared_gnu2_test_LDADD): New variable.
2484 * testsuite/Makefile.in: Rebuild.
2485 * testsuite/Makefile.
2487 2008-04-11 Ian Lance Taylor <iant@google.com>
2489 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
2491 * testsuite/Makefile.in: Rebuild.
2493 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
2495 * testsuite/script_test_2.cc (main): Adjust test.
2497 2008-04-11 David S. Miller <davem@davemloft.net>
2498 Ian Lance Taylor <iant@google.com>
2500 * options.h (General_options): Add entries for '-Y' and
2502 * options.cc (General_options:finalize): If -Y was used, add those
2503 entries to the library path instead of the default "/lib" and
2506 2008-04-11 David S. Miller <davem@davemloft.net>
2508 * testsuite/justsyms.t: Start at 0x100.
2509 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
2510 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
2512 * testsuite/script_test_2.cc: Adjust string and section length
2515 2008-04-09 Ian Lance Taylor <iant@google.com>
2518 * script-sections.cc (Sections_element::allocate_to_segment): Add
2520 (Output_section_definition::allocate_to_segment): Likewise.
2521 (Orphan_output_section::allocate_to_segment): Likewise.
2522 (Script_sections::attach_sections_using_phdrs_clause): Don't
2523 propagate non-PT_LOAD segments to orphan sections.
2524 * testsuite/Makefile.am (script_test_3.stdout): Generate using
2525 readelf rather than objdump.
2526 * testsuite/script_test_3.sh: Adjust accordingly. Test that
2527 .interp section and PT_INTERP segment are the same size.
2528 * testsuite/Makefile.in: Rebuild.
2530 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
2531 aliases for symbols defined in the same object.
2532 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
2533 (weak_alias_test_SOURCES): New variable.
2534 (weak_alias_test_DEPENDENCIES): New variable.
2535 (weak_alias_test_LDFLAGS): New variable.
2536 (weak_alias_test_LDADD): New variable.
2537 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
2538 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
2539 (weak_alias_test_3.o): New target.
2540 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
2541 * testsuite/weak_alias_test_main.cc: New file.
2542 * testsuite/weak_alias_test_1.cc: New file.
2543 * testsuite/weak_alias_test_2.cc: New file.
2544 * testsuite/weak_alias_test_3.cc: New file.
2546 2008-04-08 Ian Lance Taylor <iant@google.com>
2548 * options.h (class General_options): Add --noinhibit-exec option.
2549 * main.cc (main): Check --noinhibit-exec.
2551 * options.h (class General_options): Define --wrap as a special
2552 option. Add wrap_symbols_ field.
2553 (General_options::any_wrap_symbols): New function.
2554 (General_options::is_wrap_symbol): New function.
2555 * options.cc (General_options::parse_wrap): New function.
2556 (General_options::General_options): Initialize wrap_symbols_.
2557 * symtab.cc (Symbol_table::wrap_symbol): New function.
2558 (Symbol_table::add_from_object): Handle --wrap.
2559 * symtab.h (class Symbol_table): Declare wrap_symbol.
2560 * target.h (Target::wrap_char): New function.
2561 (Target::Target_info): Add wrap_char field.
2562 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
2563 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2564 * testsuite/testfile.cc (Target_test::test_target_info):
2567 * errors.cc (Errors::undefined_symbol): Mention symbol version if
2570 * layout.h (class Layout): Add added_eh_frame_data_ field.
2571 * layout.cc (Layout::Layout): Initialize new field.
2572 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
2573 output section until we find a section we merged successfully.
2574 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
2575 that the size be non-zero.
2577 * merge.cc (Object_merge_map::get_output_offset): Remove inline
2580 2008-04-08 Craig Silverstein <csilvers@google.com>
2582 * configure.ac: Export new conditional variable HAVE_ZLIB.
2583 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
2585 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
2586 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2588 2008-04-07 Ian Lance Taylor <iant@google.com>
2590 * version.cc (version_string): Set to "1.5".
2592 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
2593 Add issued_non_pic_error_ field. Declare check_non_pic.
2594 (Target_x86_64::Scan::check_non_pic): New function.
2595 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
2596 (Target_x86_64::Scan::global): Likewise.
2598 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
2599 addend parameter. Change caller. Handle merge sections.
2600 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
2601 Address to Addend. Don't add in the result of
2602 local_section_offset, pass down the addend and use the returned
2604 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
2605 Update declarations of local_section_offset and symbol_value.
2606 * testsuite/two_file_test_1.cc (t18): New function.
2607 * testsuite/two_file_test_2.cc (f18): New function.
2608 * testsuite/two_file_test_main.cc (main): Call t18.
2609 * testsuite/two_file_test.h (t18, f18): Declare.
2611 * configure.ac: Don't test for objdump, c++filt, or readelf.
2612 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
2614 (TEST_READELF): New variable.
2615 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
2616 (check_PROGRAMS): Add two_file_strip_test.
2617 (two_file_strip_test): New target.
2618 (check_PROGRAMS): Add two_file_same_shared_strip_test.
2619 (two_file_same_shared_strip_test_SOURCES): New variable.
2620 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
2621 (two_file_same_shared_strip_test_LDFLAGS): New variable.
2622 (two_file_same_shared_strip_test_LDADD): New variable.
2623 (two_file_shared_strip.so): New target.
2624 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
2625 (ver_test_5.syms, ver_test_7.syms): Likewise.
2626 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
2627 (strip_test_3.stdout): Use TEST_OBJDUMP.
2628 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2630 2008-04-04 Cary Coutant <ccoutant@google.com>
2632 * symtab.h (Symbol::is_weak_undefined): New function.
2633 (Symbol::is_strong_undefined): New function.
2634 (Symbol::is_absolute): New function.
2635 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
2636 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
2638 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
2639 (weak_undef_test): New target.
2640 * testsuite/Makefile.in: Rebuild.
2641 * testsuite/weak_undef_file1.cc: New file.
2642 * testsuite/weak_undef_file2.cc: New file.
2643 * testsuite/weak_undef_test.cc: New file.
2645 2008-04-03 Craig Silverstein <csilvers@google.com>
2647 * compressed_output.h (class Output_compressed_section): Use
2649 * compressed_output.cc (zlib_compress): Use unsigned buffers,
2651 (zlib_compressed_suffix): Removed.
2652 (Output_compressed_section::set_final_data_size): Use unsigned
2654 * testsuite/Makefile.am (flagstest_compress_debug_sections):
2655 Fix linker invocation.
2656 (flagstest_o_specialfile_and_compress_debug_sections):
2658 * testsuite/Makefile.in: Regenerated.
2660 2008-04-02 David S. Miller <davem@davemloft.net>
2662 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
2663 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
2665 2008-04-02 Craig Silverstein <csilvers@google.com>
2669 2008-04-02 Ian Lance Taylor <iant@google.com>
2671 * fileread.cc (File_read::find_view): Add byteshift and vshifted
2672 parameters. Update for new key type to views_. Change all
2674 (File_read::read): Adjust for byteshift in returned view.
2675 (File_read::add_view): New function, broken out of
2677 (File_read::make_view): New function, broken out of
2679 (File_read::find_or_make_view): Add offset and aligned
2680 parameters. Rewrite accordingly. Change all callers.
2681 (File_read::get_view): Add offset and aligned parameters. Adjust
2682 for byteshift in return value.
2683 (File_read::get_lasting_view): Likewise.
2684 * fileread.h (class File_read): Update declarations.
2685 (class File_read::View): Add byteshift_ field. Add byteshift to
2686 constructor. Add byteshift method.
2687 * archive.h (Archive::clear_uncached_views): New function.
2688 (Archive::get_view): Add aligned parameter. Change all callers.
2689 * object.h (Object::get_view): Add aligned parameter. Change all
2691 (Object::get_lasting_view): Likewise.
2693 * fileread.cc (File_read::release): Don't call clear_views if
2694 there are multiple objects.
2695 * fileread.h (File_read::clear_uncached_views): New function.
2696 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
2699 2008-03-31 Cary Coutant <ccoutant@google.com>
2701 Add thin archive support.
2702 * archive.cc (Archive::armagt): New const.
2703 (Archive::setup): Remove task parameter and calls to unlock.
2704 (Archive::unlock_nested_archives): New function.
2705 (Archive::read_header): Add nested_off parameter. Change
2707 (Archive::interpret_header): Likewise.
2708 (Archive::include_all_members): Change to handle thin
2710 (Archive::include_member): Likewise.
2711 * archive.h (Archive::Archive): Add new parameters and
2713 (Archive::armagt): New const.
2714 (Archive::setup): Remove task parameter.
2715 (Archive::unlock_nested_archives): New function.
2716 (Archive::read_header): Add nested_off parameter.
2717 (Archive::interpret_header): Likewise.
2718 (Archive::Nested_archive_table): New typedef.
2719 (Archive::is_thin_archive_): New field.
2720 (Archive::nested_archives_): New field.
2721 (Archive::options_): New field.
2722 (Archive::dirpath_): New field.
2723 (Archive::task_): New field.
2724 * readsyms.cc (Read_symbols::do_read_symbols): Add check
2725 for thin archives. Pass additional parameters to
2726 Archive::Archive. Unlock the archive file after calling
2729 2008-03-29 Ian Lance Taylor <iant@google.com>
2731 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
2732 version symbol to be local.
2733 * testsuite/ver_test_4.sh: New file.
2734 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
2735 (check_DATA): Add ver_test_4.syms.
2736 (ver_test_4.syms): New target.
2737 * testsuite/Makefile.in: Rebuild.
2740 (Output_section::Input_section_sort_entry::has_priority): New
2742 (Output_section::Input_section_sort_entry::match_file_name): New
2744 (Output_section::Input_section_sort_entry::match_section_name):
2746 (Output_section::Input_section_sort_entry::match_section_name_prefix):
2748 (Output_section::Input_section_sort_entry::match_section_file):
2750 (Output_section::Input_section_sort_compare::operator()): Rewrite
2751 using new Input_section_sort_entry functions. Sort crtbegin and
2752 crtend first. Sort sections with no priority before sections with
2754 * testsuite/initpri1.c (d3): Check j != 4.
2755 (cd5): New constructor/destructor function.
2756 (main): Check j != 2.
2758 * symtab.cc (Symbol_table::add_from_object): If we don't use the
2759 new symbol when resolving, don't call set_is_default.
2760 * testsuite/ver_test_7.cc: New file.
2761 * testsuite/ver_test_7.sh: New file.
2762 * testsuite/Makefile.am (ver_test_7.so): New target.
2763 (ver_test_7.o): New target.
2764 (check_SCRIPTS): Add ver_test_7.sh.
2765 (check_DATA): Add ver_test_7.syms.
2766 (ver_test_7.syms): New target.
2768 2008-03-28 Ian Lance Taylor <iant@google.com>
2770 * layout.cc (Layout::layout): If we see an input section with a
2771 name that needs sorting, set the must_sort flag for the output
2773 (Layout::make_output_section): If the name of the output section
2774 indicates that it might require sorting, set the may_sort flag.
2775 * output.h (Output_section::may_sort_attached_input_sections): New
2777 (Output_section::set_may_sort_attached_input_sections): New
2779 (Output_section::must_sort_attached_input_sections): New
2781 (Output_section::set_must_sort_attached_input_sections): New
2783 (class Output_section): Declare Input_section_sort_entry. Define
2784 Input_section_sort_compare. Declare
2785 sort_attached_input_sections. Add new fields:
2786 may_sort_attached_input_sections_,
2787 must_sort_attached_input_sections_,
2788 attached_input_sections_are_sorted_.
2789 * output.cc (Output_section::Output_section): Initialize new
2791 (Output_section::add_input_section): Add an entry to
2792 input_sections_ if may_sort or must_sort are true.
2793 (Output_section::set_final_data_size): Call
2794 sort_attached_input_sections if necessary.
2795 (Output_section::Input_section_sort_entry): Define new class.
2796 (Output_section::Input_section_sort_compare::operator()): New
2798 (Output_section::sort_attached_input_sections): New function.
2799 * configure.ac: Check whether the compiler supports constructor
2800 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
2801 * testsuite/initpri1.c: New file.
2802 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
2803 CONSTRUCTOR_PRIORITY.
2804 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
2805 (initpri1_LDFLAGS): New variable.
2806 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2808 2008-03-27 Ian Lance Taylor <iant@google.com>
2810 * common.cc (Sort_commons::operator): Correct sorting algorithm.
2811 * testsuite/common_test_1.c: New file.
2812 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
2813 (common_test_1_SOURCES): New variable.
2814 (common_test_1_DEPENDENCIES): New variable.
2815 (common_test_1_LDFLAGS): New variable.
2817 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
2818 and commons_ correctly when NAME/VERSION does not override
2820 * testsuite/ver_test_6.c: New file.
2821 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
2822 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
2823 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2825 2008-03-26 Ian Lance Taylor <iant@google.com>
2827 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
2828 of an undefined symbol from a version script.
2829 * testsuite/Makefile.am (ver_test_5.so): New target.
2830 (ver_test_5.o): New target.
2831 (check_SCRIPTS): Add ver_test_5.sh.
2832 (check_DATA): Add ver_test_5.syms.
2833 (ver_test_5.syms): New target.
2834 * testsuite/ver_test_5.cc: New file.
2835 * testsuite/ver_test_5.script: New file.
2836 * testsuite/ver_test_5.sh: New file.
2837 * Makefile.in, testsuite/Makefile.in: Rebuild.
2840 Fix problems building gold with gcc 4.3.0.
2841 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
2842 (gold_error_at_location, gold_warning_at_location): Use it.
2843 * configure.ac: Check whether we can compile and use a template
2844 function with a printf attribute.
2845 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
2846 when jumping over bytes.
2847 * object.cc: Instantiate Object::read_section_data.
2848 * debug.h: Include <cstring>
2849 * dwarf_reader.cc: Include <algorithm>
2850 * main.cc: Include <cstring>.
2851 * options.cc: Include <cstring>.
2852 * output.cc: Include <cstring>.
2853 * script.cc: Include <cstring>.
2854 * script.h: Include <string>.
2855 * symtab.cc: Include <cstring> and <algorithm>.
2856 * target-select.cc: Include <cstring>.
2857 * version.cc: Include <string>.
2858 * testsuite/testmain.cc: Include <cstdlib>.
2859 * configure, config.in: Rebuild.
2861 2008-03-25 Ian Lance Taylor <iant@google.com>
2863 * options.cc: Include "../bfd/bfdver.h".
2864 (options::help): Print bug reporting address.
2866 * version.cc (print_version): Adjust output for current value of
2871 * options.cc (options::help): Print list of supported targets.
2872 * target-select.h: Include <vector>.
2873 (class Target_selector): Make machine_, size_, and is_big_endian_
2874 fields const. Add bfd_name_ and instantiated_target_ fields.
2875 (Target_selector::Target_selector): Add bfd_name parameter.
2876 (Target_selector::recognize): Make non-virtual, call
2878 (Target_selector::recognize_by_name): Make non-virtual, call
2879 do_recognize_by_name.
2880 (Target_selector::supported_names): New function.
2881 (Target_selector::bfd_name): New function.
2882 (Target_selector::do_instantiate_target): New pure virtual
2884 (Target_selector::do_recognize): New virtual function.
2885 (Target_selector::do_recognize_by_name): New virtual function.
2886 (Target_selector::instantiate_target): New private function.
2887 (supported_target_names): Declare.
2888 * target-select.cc (Target_selector::Target_selector): Update for
2889 new parameter and fields.
2890 (select_target_by_name): Check that the name matches before
2891 calling recognize_by_name.
2892 (supported_target_names): New function.
2893 * i386.cc (class Target_selector_i386): Update Target_selector
2894 constructor call. Remove recognize and recognize_by_name. Add
2895 do_instantiate_target.
2896 * x86_64.cc (class Target_selector_x86_64): Likewise.
2897 * testsuite/testfile.cc (class Target_selector_test): Update for
2898 changes to Target_selector.
2900 * README: Rewrite, with some notes on unsupported features.
2902 2008-03-24 Cary Coutant <ccoutant@google.com>
2904 * i386.cc (Target_i386::Got_type): New enum declaration.
2905 (Target_i386::Scan::local): Updated callers of Output_data_got
2907 (Target_i386::Scan::global): Likewise.
2908 (Target_i386::Relocate::relocate): Likewise.
2909 (Target_i386::Relocate::relocate_tls): Likewise.
2910 * object.h (Got_offset_list): New class.
2911 (Sized_relobj::local_has_got_offset): Added got_type parameter.
2912 (Sized_relobj::local_got_offset): Likewise.
2913 (Sized_relobj::set_local_got_offset): Likewise.
2914 (Sized_relobj::local_has_tls_got_offset): Removed.
2915 (Sized_relobj::local_tls_got_offset): Removed.
2916 (Sized_relobj::set_local_tls_got_offset): Removed.
2917 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
2918 * output.cc (Output_data_got::add_global): Added got_type parameter.
2919 (Output_data_got::add_global_with_rel): Likewise.
2920 (Output_data_got::add_global_with_rela): Likewise.
2921 (Output_data_got::add_global_pair_with_rel): New function.
2922 (Output_data_got::add_global_pair_with_rela): New function.
2923 (Output_data_got::add_local): Added got_type parameter.
2924 (Output_data_got::add_local_with_rel): Likewise.
2925 (Output_data_got::add_local_with_rela): Likewise.
2926 (Output_data_got::add_local_pair_with_rel): New function.
2927 (Output_data_got::add_local_pair_with_rela): New function.
2928 (Output_data_got::add_global_tls): Removed.
2929 (Output_data_got::add_global_tls_with_rel): Removed.
2930 (Output_data_got::add_global_tls_with_rela): Removed.
2931 (Output_data_got::add_local_tls): Removed.
2932 (Output_data_got::add_local_tls_with_rel): Removed.
2933 (Output_data_got::add_local_tls_with_rela): Removed.
2934 * output.h (Output_data_got::add_global): Added got_type parameter.
2935 (Output_data_got::add_global_with_rel): Likewise.
2936 (Output_data_got::add_global_with_rela): Likewise.
2937 (Output_data_got::add_global_pair_with_rel): New function.
2938 (Output_data_got::add_global_pair_with_rela): New function.
2939 (Output_data_got::add_local): Added got_type parameter.
2940 (Output_data_got::add_local_with_rel): Likewise.
2941 (Output_data_got::add_local_with_rela): Likewise.
2942 (Output_data_got::add_local_pair_with_rel): New function.
2943 (Output_data_got::add_local_pair_with_rela): New function.
2944 (Output_data_got::add_global_tls): Removed.
2945 (Output_data_got::add_global_tls_with_rel): Removed.
2946 (Output_data_got::add_global_tls_with_rela): Removed.
2947 (Output_data_got::add_local_tls): Removed.
2948 (Output_data_got::add_local_tls_with_rel): Removed.
2949 (Output_data_got::add_local_tls_with_rela): Removed.
2950 * resolve.cc (Symbol::override_base_with_special): Removed
2951 reference to has_got_offset_ field.
2952 * symtab.cc (Symbol::init_fields): Replaced initialization
2953 of got_offset_ with got_offsets_. Removed initialization
2955 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
2956 (Symbol::got_offset): Likewise.
2957 (Symbol::set_got_offset): Likewise.
2958 (Symbol::has_tls_got_offset): Removed.
2959 (Symbol::tls_got_offset): Removed.
2960 (Symbol::set_tls_got_offset): Removed.
2961 (Symbol::got_offset_): Removed.
2962 (Symbol::tls_mod_got_offset_): Removed.
2963 (Symbol::tls_pair_got_offset_): Removed.
2964 (Symbol::got_offsets_): New field.
2965 (Symbol::has_got_offset): Removed.
2966 (Symbol::has_tls_mod_got_offset): Removed.
2967 (Symbol::has_tls_pair_got_offset): Removed.
2968 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
2969 (Target_x86_64::Scan::local): Updated callers of Output_data_got
2971 (Target_x86_64::Scan::global): Likewise.
2972 (Target_x86_64::Relocate::relocate): Likewise.
2973 (Target_x86_64::Relocate::relocate_tls): Likewise.
2975 2008-03-25 Ben Elliston <bje@au.ibm.com>
2977 * yyscript.y: Fix spelling error in comment.
2979 2008-03-24 Ian Lance Taylor <iant@google.com>
2981 * options.h (class General_options): Define build_id option.
2982 * layout.h (class Layout): Declare write_build_id, create_note,
2983 create_build_id. Add build_id_note_ member.
2984 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
2985 "libiberty.h", "md5.h", "sha1.h".
2986 (Layout::Layout): Initialize eh_frame_data_,
2987 eh_frame_hdr_section_, and build_id_note_.
2988 (Layout::finalize): Call create_build_id.
2989 (Layout::create_note): New function, broken out of
2990 Layout::create_gold_note.
2991 (Layout::create_gold_note): Call create_note.
2992 (Layout::create_build_id): New function.
2993 (Layout::write_build_id): New function.
2994 (Close_task_runner::run): Call write_build_id.
2996 * x86_64.cc: Correct license to GPLv3.
2998 2008-03-23 Ian Lance Taylor <iant@google.com>
3000 * options.cc: Include "demangle.h".
3001 (parse_optional_string): New function.
3002 (parse_long_option): Handle takes_optional_argument.
3003 (parse_short_option): Update dash_z initializer. Handle
3004 takes_optional_argument.
3005 (General_options::General_options): Initialize do_demangle_.
3006 (General_options::finalize): Set do_demangle_. Handle demangling
3008 * options.h (parse_optional_string): Declare.
3009 (struct One_option): Add optional_arg field. Update constructor.
3010 Update call constructor calls. Add takes_optional_argument
3012 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
3013 (DEFINE_optional_string): Define.
3014 (General_options::demangle): Change from DEFINE_bool to
3015 DEFINE_optional_string.
3016 (General_options::no_demangle): New function.
3017 (General_options::do_demangle): New function.
3018 (General_options::set_do_demangle): New function.
3019 (General_options::execstack_status_): Move definition to end of
3021 (General_options::static_): Likewise.
3022 (General_options::do_demangle_): New field.
3023 * object.cc (big_endian>::get_symbol_location_info): Call
3024 Options::do_demangle, not Options::demangle.
3025 * symtab.cc (demangle): Likewise.
3027 2008-03-22 Ian Lance Taylor <iant@google.com>
3029 * gold.h: Include <cstddef> and <sys/types.h>
3030 * options.h: Include <cstring>.
3032 2008-03-21 Ian Lance Taylor <iant@google.com>
3034 * Added source code to GNU binutils.