1 2009-03-27 Ian Lance Taylor <iant@google.com>
4 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6 (mremap): Declare if HAVE_MREMAP is not defined.
7 * configure, Makefile.in, config.in: Rebuild.
9 2009-03-27 Cary Coutant <ccoutant@google.com>
11 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
13 * sparc.cc (Target_sparc::check_non_pic): Likewise.
14 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
16 2009-03-24 Cary Coutant <ccoutant@google.com>
18 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
20 (needs_dynamic_reloc): Likewise.
22 2009-03-24 Ian Lance Taylor <iant@google.com>
24 * yyscript.y (file_cmd): Recognize EXTERN.
25 (extern_name_list, extern_name_list_body): New nonterminals.
26 * script.cc (script_add_extern): Define.
27 * script-c.h (script_add_extern): Declare.
29 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
31 * object.cc (is_elf_object): Define.
32 * object.h (is_elf_object): Declare.
33 * archive.cc (Archive::get_elf_object_for_member): Call
35 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
37 2009-03-24 Elliott Hughes <enh@google.com>
39 * output.cc (Output_file::map_anonymous): Define.
40 (Output_file::map): Use map_anonymous. If the regular mmap fails,
41 try an anonymous one. Report the size if the mmap fails.
42 * output.h (class Output_file): Declare map_anonymous.
44 2009-03-24 Ian Lance Taylor <iant@google.com>
46 * target-select.cc (instantiate_target): Don't acquire the lock if
47 the instantiated_target_ field has already been set.
49 2009-03-23 Ian Lance Taylor <iant@google.com>
51 * gold-threads.h (class Initialize_lock): Define.
52 * gold-threads.cc (class Initialize_lock_once): Define.
53 (initialize_lock_control): New static variable.
54 (initialize_lock_pointer): New static variable.
55 (initialize_lock_once): New static function.
56 (Initialize_lock::Initialize_lock): Define.
57 (Initialize_lock::initialize): Define.
58 * target-select.h: Include "gold-threads.h".
59 (class Target_selector): Add lock_ and initialize_lock_ fields.
60 Don't define instantiate_target, just declare it.
61 * target-select.cc (Target_selector::Target_selector): Initialize
63 (Target_selector::instantiate_target): Define.
64 * descriptors.h: Include "gold-threads.h".
65 (class Descriptors): Add initialize_lock_ field.
66 * descriptors.cc (Descriptors::Descriptors): Initialize new
68 (Descriptors::open): Use initialize_lock_ field
69 * errors.h (class Errors): Add initialize_lock_ field.
70 * errors.cc (Errors::Errors): Initialize new field.
71 (Errors::initialize_lock): Use initialize_lock_ field.
72 * powerpc.cc (class Target_selector_powerpc): Remove
73 instantiated_target_ field. In do_recognize call
74 instantiate_target rather than do_instantiate_target. In
75 do_instantiate_target just allocate a new target.
76 * sparc.cc (class Target_selector_sparc): Likewise.
78 * freebsd.h: New file.
79 * i386.cc: Include "freebsd.h".
80 (Target_i386): Derive from Target_freebsd rather than
82 (Target_selector_i386): Derive from Target_selector_freebsd rather
84 * x86_64.cc: Include "freebsd.h".
85 (Target_x86_64): Derive from Target_freebsd rather than
87 (Target_selector_x86_64): Derive from Target_selector_freebsd
88 rather than Target_selector.
89 * target.h (class Target): Add adjust_elf_header and
91 * output.cc (Output_file_header:: do_sized_write): Call target
92 adjust_elf_header routine.
93 * configure.tgt: Set targ_osabi.
94 * configure.ac: Define GOLD_DEFAULT_OSABI.
95 * parameters.cc (Parameters::default_target): Pass
96 GOLD_DEFAULT_OSABI to select_target.
97 * target-select.h (class Target_selector): Make instantiate_target
98 protected rather than private.
99 * Makefile.am (HFILES): Add freebsd.h.
100 * configure, Makefile.in, config.in: Rebuild.
102 * merge.cc (do_add_input_section): Correct pend value. Change
103 message about last entry not being null terminated from error to
106 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
108 * incremental.cc: New file.
109 * Makefile.am (CCFILES): Add incremental.cc.
110 * Makefile.in: Rebuild.
112 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
114 * layout.cc (Layout::output_section_name): Preserve names
115 of '.note.' sections.
117 2009-03-19 Ian Lance Taylor <iant@google.com>
119 * descriptors.cc (Descriptors::open): Check that the options are
120 valid before using them.
122 2009-03-18 Ian Lance Taylor <iant@google.com>
124 * script-sections.h: Include <list>.
125 (class Script_sections): Change Sections_elements from std::vector
126 to std::list. Typedef public Elements_iterator. Add
127 orphan_section_placement_, data_segment_align_start_, and
128 saw_data_segment_align_ fields. Remove data_segment_align_index_
130 * script-sections.cc (class Orphan_section_placement): New class.
131 (class Sections_element): Add virtual functions is_relro and
132 orphan_section_init. Remove virtual function place_orphan_here.
133 (class Output_section_definition): Add is_relro and
134 orphan_section_init. Remove place_orphan_here.
135 (class Orphan_output_section): Likewise.
136 (Script_sections::Script_sections): Update for field changes.
137 (Script_sections::data_segment_align): Set saw_data_segment_align_
138 and data_segment_align_start_, not data_segment_align_index.
139 (Script_sections::data_segment_relro_end): Check
140 saw_data_segment_align_. Use data_segment_align_start_ rather
141 than data_segment_align_index_.
142 (Script_sections::place_orphan): Rewrite to use
143 Orphan_section_placement.
145 2009-03-17 Ian Lance Taylor <iant@google.com>
147 * archive.cc (Archive::add_symbols): Check for a version attached
148 to the symbol name in the archive map.
149 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
150 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
151 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
152 (ver_test_11.a): New target.
153 * testsuite/Makefile.in: Rebuild.
155 * configure.ac: Check for chsize and posix_fallocate. Replace
157 * ftruncate.c: New file, from gnulib.
158 * output.cc (posix_fallocate): Define dummy version if not
159 HAVE_POSIX_FALLOCATE.
160 (Output_file::map): Call posix_fallocate rather than lseek and
162 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
163 * configure, Makefile.in, config.in: Rebuild.
165 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
167 * layout.h (Layout::create_note): Add section_name parameter.
168 * layout.cc (Layout::create_note): Likewise.
169 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
171 2009-03-17 Ian Lance Taylor <iant@google.com>
173 * descriptors.cc: Include "options.h".
174 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
175 (Descriptors::open): Always use O_CLOEXEC when opening a new
176 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
179 * sparc.cc (class Target_sparc): Add has_got_section.
180 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
181 make sure we have a GOT section.
183 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
184 (Target_sparc::Scan::local): Likewise.
185 (Target_sparc::Scan::global): Likewise.
186 (Target_sparc::Relocate::relocate): Likewise.
187 (Target_sparc::Relocate::relocate_tls): Likewise.
189 * symtab.cc (Symbol_table::define_default_version): New function,
190 broken out of add_from_object.
191 (Symbol_table::add_from_object): Call define_default_version.
192 (Symbol_table::define_special_symbol): Add resolve_oldsym
193 parameter. Change all callers. If the version for a symbol comes
194 from a version script, resolve it with the symbol with the same
195 name with no version. Also add the symbol without a version if
197 (do_define_in_output_data): If resolving with oldsym, don't delete
199 (do_define_in_output_segment): Likewise.
200 (do_define_as_constant): Likewise.
201 * symtab.h (class Symbol_table): Update declarations.
203 2009-03-13 Ian Lance Taylor <iant@google.com>
205 * readsyms.cc (Read_symbols::incompatible_warning): New function.
206 (Read_symbols::requeue): New function.
207 (Read_symbols::do_read_symbols): If make_elf_object fails because
208 the target type is not configured, and the file was searched for,
209 issue a warning and retry with the next directory.
210 (Add_symbols::run): If the file has an incompatible format, and
211 it was searched for, requeue the Read_symbols task. On error,
213 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
214 dirindex parameter to constructor. Change all callers. Declare
215 incompatible_warning and requeue.
216 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
217 input_argument_ and input_group_ fields. Add them to
218 constructor. Change all callers.
219 (class Read_script): Add dirindex_ field. Add it to constructor.
221 * archive.cc (Archive::setup): Remove input_objects parameter.
223 (Archive::get_file_and_offset): Likewise.
224 (Archive::read_all_symbols): Likewise.
225 (Archive::read_symbols): Likewise.
226 (Archive::get_elf_object_for_member): Remove input_objects
227 parameter. Add punconfigured parameter. Change all callers.
228 (Archive::add_symbols): Change return type to bool. Check return
229 value of include_member.
230 (Archive::include_all_members): Likewise.
231 (Archive::include_member): Change return type to bool. Return
232 false if first included object has incompatible target. Set
233 included_member_ field.
234 (Add_archive_symbols::run): If add_symbols returns false, requeue
236 * archive.h (class Archive): Add included_member_ field.
237 Initialize it in constructor. Add input_file and searched_for
238 methods. Update declarations.
239 (class Add_archive_symbols): Add dirpath_, dirindex_, and
240 input_argument_ fields. Add them to constructor. Change all
242 * script.cc: Include "target-select.h".
243 (class Parser_closure): Add skip_on_incompatible_target_ and
244 found_incompatible_target_ fields. Add
245 skip_on_incompatible_target parameter to constructor. Change all
246 callers. Add methods skip_on_incompatible_target,
247 clear_skip_on_incompatible_target, found_incompatible_target, and
248 set_found_incompatible_target.
249 (read_input_script): Add dirindex parameter. Change all callers.
250 If parser finds an incompatible target, requeue Read_symbols
252 (script_set_symbol): Clear skip_on_incompatible_target in
254 (script_add_assertion, script_parse_option): Likewise.
255 (script_start_sections, script_add_phdr): Likewise.
256 (script_check_output_format): New function.
257 * script.h (read_input_script): Update declaration.
258 * script-c.h (script_check_output_format): Declare.
259 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
260 (ignore_cmd): Remove OUTPUT_FORMAT.
261 * fileread.cc (Input_file::Input_file): Add explicit this.
262 (Input_file::will_search_for): New function.
263 (Input_file::open): Add pindex parameter. Change all callers.
264 * fileread.h (class Input_file): Add input_file_argument method.
265 Declare will_search_for. Update declarations.
266 * object.cc (make_elf_object): Add punconfigured parameter.
268 * object.h (class Object): Make input_file public. Add
270 (make_elf_object): Update declaration.
271 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
273 * dirsearch.h (class Dirsearch): Update declaration.
274 * options.h (class General_options): Add --warn-search-mismatch.
275 * parameters.cc (Parameters::is_compatible_target): New function.
276 * parameters.h (class Parameters): Declare is_compatible_target.
277 * workqueue.cc (Workqueue::add_blocker): New function.
278 * workqueue.h (class Workqueue): Declare add_blocker.
280 * fileread.cc (Input_file::open): Remove options parameter.
282 (Input_file::open_binary): Likewise.
283 * script.cc (read_input_script): Likewise.
284 * readsyms.h (class Read_symbols): Remove options_ field. Remove
285 options parameter from constructor. Change all callers.
286 (class Read_script): Likewise.
287 * fileread.h (class Input_file): Update declarations.
288 * script.h (read_input_script): Update declaration.
290 2009-03-10 Nick Clifton <nickc@redhat.com>
292 * po/es.po: New Spanish translation.
294 2009-03-06 Cary Coutant <ccoutant@google.com>
296 * options.cc (parse_short_option): Keep dash_z from registering itself.
298 2009-03-03 Ian Lance Taylor <iant@google.com>
301 * target-reloc.h (relocate_section): Pass output_section to
303 * i386.cc (Target_i386::should_apply_static_reloc): Add
304 output_section parameter. Change all callers.
305 (Target_i386::Relocate::relocate): Add output_section parameter.
306 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
307 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
308 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
309 * testsuite/two_file_shared.sh: New script.
310 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
311 (check_DATA): Add two_file_shared.dbg.
312 (two_file_shared.dbg): New target.
313 * testsuite/Makefile.in: Rebuild.
315 2009-03-01 Ian Lance Taylor <iant@google.com>
317 * configure.ac: Check for byteswap.h.
318 * configure: Rebuild.
319 * config.in: Rebuild.
321 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
323 * layout.cc (Layout::find_or_add_kept_section): New function.
324 (Layout::add_comdat): Removed.
325 * layout.h (struct Kept_section): Move out of class Layout.
326 Remove trailing underscores from field names. Add group_sections
327 field. Rename group_ field to is_group. Change all uses.
328 (class Layout): Declare find_or_add_kept_section, not add_comdat.
329 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
330 comdat_groups_ field.
331 (Sized_relobj::include_section_group): Use
332 find_or_add_kept_section and Kept_section::group_sections.
333 (Sized_relobj::include_linkonce_section): Likewise.
334 * object.cc (class Sized_relobj): Don't define Comdat_group or
335 Comdat_group_table. Remove find_comdat_group and
336 add_comdat_group. Remove comdat_groups_ field.
337 * plugin.cc (include_comdat_group): Use
338 Layout::find_or_add_kept_section.
340 2009-02-28 Ian Lance Taylor <iant@google.com>
342 * README: --gc-sections and map files are now supported. Document
343 some build requirements.
346 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
347 relocatable link set the value of the section symbol to zero.
348 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
349 relocatable link don't include the section address in the local
352 2009-02-27 Ian Lance Taylor <iant@google.com>
355 * options.h (class Search_directory): Add is_system_directory.
356 (class General_options): Declare is_in_system_directory.
357 * options.cc (get_relative_sysroot): Make static.
358 (get_default_sysroot): Make static.
359 (General_optoins::is_in_system_directory): New function.
360 * fileread.cc (Input_file::is_in_system_directory): New function.
361 * fileread.h (class Input_file): Declare is_in_system_directory.
362 * object.h (class Object): Add is_in_system_directory.
363 (class Input_objects): Remove system_library_directory_ field.
364 * object.cc (Input_objects::add_object): Don't set
365 system_library_directory_.
366 (input_objects::found_in_system_library_directory): Remove.
367 * symtab.cc (Symbol_table::write_globals): Remove input_objects
368 parameter. Change all callers.
369 (Symbol_table::sized_write_globals): Likewise.
370 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
371 Call Object::is_in_system_directory.
372 * symtab.h (class Symbol_table): Update declarations.
375 * descriptors.h (Open_descriptor): Add is_on_stack field.
376 * descriptors.cc (Descriptors::open): If the descriptor is on the
377 top of the stack, remove it. Initialize is_on_stack field.
378 (Descriptors::release): Only add pod to stack if it is not on the
380 (Descriptors::close_some_descriptor): Clear stack_next and
384 * output.cc (Output_section::find_starting_output_address): Rename
385 from starting_output_address; add PADDR parameter; change return
387 * output.h (class Output_section): Declare
388 find_starting_output_address instead of starting_output_address.
389 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
390 section symbol for which we can't find a merge section.
393 * symtab.cc (Symbol_table::add_from_object): If the visibility is
394 hidden or internal, force the symbol to be local.
395 * resolve.cc (Symbol::override_visibility): Define.
396 (Symbol::override_base): Use override_visibility.
397 (Symbol_table::resolve): Likewise.
398 (Symbol::override_base_with_special): Likewise.
399 (Symbol_table::override_with_special): If the visibility is hidden
400 or internal, force the symbol to be local.
401 * symtab.h (class Symbol): Add set_visibility and
403 * testsuite/ver_test_1.sh: New file.
404 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
405 (check_DATA): Add ver_test_1.syms.
406 (ver_test_1.syms): New target.
407 * testsuite/Makefile.in: Rebuild.
409 2009-02-25 Cary Coutant <ccoutant@google.com>
411 * layout.cc (Layout::choose_output_section): Don't rename sections
412 when using a linker script that has a SECTIONS clause.
413 * Makefile.in: Regenerate.
415 * testsuite/Makefile.am (script_test_5.sh): New test case.
416 * testsuite/Makefile.in: Regenerate.
417 * testsuite/script_test_5.cc: New file.
418 * testsuite/script_test_5.sh: New file.
419 * testsuite/script_test_5.t: New file.
421 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
423 * archive.cc (Archive::include_member): Update calls to add_symbols.
424 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
426 * dynobj.h (do_add_symbols): Add the Layout argument.
427 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
429 * object.h (Object::add_symbols): Add the Layout argument.
430 (Object::do_add_symbols): Add the Layout argument.
431 (Sized_relobj::do_add_symbols): Add the Layout argument.
432 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
433 Unify the two versions.
434 (Add_plugin_symbols): Remove.
435 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
436 (Sized_pluginobj::do_add_symbols): Unify the two versions.
437 (Add_plugin_symbols): Remove.
438 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
439 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
440 (Add_symbols::run): Make it work with Pulginobj.
442 2009-02-06 Ian Lance Taylor <iant@google.com>
444 * object.cc (Sized_relobj::do_layout): Make info message start
445 with lower case letter.
447 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
449 * binary.cc: Fix file comment.
451 * options.h (enum Incremental_disposition): Define.
452 (class General_options): Add new options: --incremental,
453 --incremental_changed, --incremental_unchanged,
454 --incremental_unknown. Add incremental_disposition_ and
455 implicit_incremental_ fields.
456 (General_options::incremental_disposition): New function.
457 (class Position_dependent_options): Add incremental_disposition
459 (Position_dependent_options::copy_from_options): Set incremental
461 * options.cc (General_options::parse_incremental_changed): New
463 (General_options::parse_incremental_unchanged): New function.
464 (General_options::parse_incremental_unknown): New function.
465 (General_options::General_options): Initialize new fields
466 incremental_disposition_ and implicit_incremental_.
467 (General_options::finalize): Check for uasge of --incremental-*
468 without --incremental.
470 2009-02-06 Chris Demetriou <cgd@google.com>
472 * gold.h (gold_undefined_symbol): Change to take only a Symbol
473 pointer and to report location as the file name associated with
475 (gold_undefined_symbol_at_location): New function to replace the
476 old gold_undefined_symbol functionality.
477 * target-reloc.h (relocate_section): Update to use
478 gold_undefined_symbol_at_location.
479 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
480 Call gold_undefined_symbol function rather than gold_error.
481 * errors.h (Errors::undefined_symbol): Take location as a
482 string, rather than calculating it from a relocation.
483 * errors.cc (Errors::fatal): Print "fatal error:" before the
485 (Errors::error, Errors::error_at_location): Print "error: "
486 before the formatted message.
487 (Errors::undefined_symbol): Take location as a string, rather
488 than calculating it from a relocation.
489 (gold_undefined_symbol_at_location): New function akin to
490 old gold_undefined_symbol, calculates location from relocation.
491 (gold_undefined_symbol): Change to take only a Symbol pointer
492 and to report location as the file name associated with the symbol.
493 * testsuite/debug_msg.sh: Update for changed error messages.
494 * testsuite/undef_symbol.sh: Likewise.
496 2009-02-04 Duncan Sands <baldrick@free.fr>
499 * reduced_debug_output.h
500 (Output_reduced_debug_abbrev_section::failed): Use format for
502 (Output_reduced_debug_info_section::faild): Likewise.
504 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
506 * script.cc (Lazy_demangler): New class.
507 (Version_script_info::get_symbol_version_helper): Demangle a
510 2009-01-29 Cary Coutant <ccoutant@google.com>
512 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
514 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
516 2009-01-28 Ian Lance Taylor <iant@google.com>
518 * version.cc (version_string): Bump to 1.9.
520 * gold.h: Include <cstring> and <stdint.h>.
521 * version.cc: Include <cstdio>.
522 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
524 * reduced_debug_output.cc (insert_into_vector): Rename from
525 Insert_into_vector; change all callers. Use Swap_unaligned to
526 avoid aliasing issue; remove union since it is unnecessary.
528 2009-01-27 Sriraman Tallam <tmsriram@google.com>
530 * Makefile.am (CCFILES): Add gc.cc.
532 * Makefile.in: Regenerate.
533 * gold.cc (Gc_runner): New class.
534 (queue_initial_tasks): Call garbage collection related tasks
535 when corresponding options are invoked.
536 (queue_middle_gc_tasks): New function.
537 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
538 processed early before laying out sections during garbage collection.
539 * gold.h (queue_middle_gc_tasks): New function.
540 (is_prefix_of): Move from "layout.cc".
541 * i386.cc (Target_i386::gc_process_relocs): New function.
542 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
543 * main.cc (main): Create object of class "Garbage_collection".
544 * object.cc (Relobj::copy_symbols_data): New function.
545 (Relobj::is_section_name_included): New function.
546 (Sized_relobj::do_layout): Allow this function to be called twice
547 during garbage collection and defer layout of section during the
549 * object.h (Relobj::get_symbols_data): New function.
550 (Relobj::is_section_name_included): New function.
551 (Relobj::copy_symbols_data): New function.
552 (Relobj::set_symbols_data): New function.
553 (Relobj::get_relocs_data): New function.
554 (Relobj::set_relocs_data): New function.
555 (Relobj::is_output_section_offset_invalid): New pure virtual function.
556 (Relobj::gc_process_relocs): New function.
557 (Relobj::do_gc_process_relocs): New pure virtual function.
558 (Relobj::sd_): New data member.
559 (Sized_relobj::is_output_section_offset_invalid): New function.
560 (Sized_relobj::do_gc_process_relocs): New function.
561 * options.h (General_options::gc_sections): Modify to not be a no-op.
562 (General_options::print_gc_sections): New option.
563 * plugin.cc (Plugin_finish::run): Remove function call to
564 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
565 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
566 * reloc.cc (Read_relocs::run): Add task to process relocs and
567 determine unreferenced sections when doing garbage collection.
568 (Gc_process_relocs): New class.
569 (Sized_relobj::do_gc_process_relocs): New function.
570 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
571 sections that are garbage collected.
572 * reloc.h (Gc_process_relocs): New class.
573 * sparc.cc (Target_sparc::gc_process_relocs): New function.
574 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
575 symbols whose corresponding sections are garbage collected.
576 (Symbol_table::Symbol_table): Add new parameter for the garbage
578 (Symbol_table::gc_mark_undef_symbols): New function.
579 (Symbol_table::gc_mark_symbol_for_shlib): New function.
580 (Symbol_table::gc_mark_dyn_syms): New function.
581 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
583 (Symbol_table::add_from_object): Likewise.
584 (Symbol_table::add_from_relobj): When building shared objects, do not
585 treat externally visible symbols as garbage.
586 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
587 table information for static and relocatable links.
588 * symtab.h (Symbol_table::set_gc): New function.
589 (Symbol_table::gc): New function.
590 (Symbol_table::gc_mark_undef_symbols): New function.
591 (Symbol_table::gc_mark_symbol_for_shlib): New function.
592 (Symbol_table::gc_mark_dyn_syms): New function.
593 (Symbol_table::gc_): New data member.
594 * target.h (Sized_target::gc_process_relocs): New pure virtual
596 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
597 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
599 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
601 * options.h (General_options::gc_sections): Define as a no-op for now.
602 (General_options::no_keep_memory): Ditto.
603 (General_options::Bshareable): Define.
604 * options.cc (General_options::finalize): Honor -Bshareable.
606 2009-01-20 Andreas Schwab <schwab@suse.de>
608 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
609 read the value in the contents, since we don't use it. Use the
610 template endianness when writing.
611 (Relocate::relocate): Use it for R_PPC_REL16_HA.
613 2009-01-19 Andreas Schwab <schwab@suse.de>
615 * configure.tgt (powerpc64-*): Fix targ_obj.
617 2009-01-15 Ian Lance Taylor <iant@google.com>
619 * object.cc (Sized_relobj::write_local_symbols): Don't write out
620 local symbols when stripping all symbols.
622 2009-01-14 Cary Coutant <ccoutant@google.com>
624 * output.cc (Output_reloc): Add explicit instantiations.
626 2009-01-14 Cary Coutant <ccoutant@google.com>
628 * archive.cc (Archive::get_elf_object_for_member): Remove call
629 to File_read::claim_for_plugin.
630 * descriptors.cc (Descriptors::open): Remove reference to
632 (Descriptors::claim_for_plugin): Remove.
633 * descriptors.h (Descriptors::claim_for_plugin): Remove.
634 (Descriptors::is_claimed): Remove.
635 (claim_descriptor_for_plugin): Remove.
636 * fileread.cc (File_read::claim_for_plugin): Remove.
637 * fileread.h (File_read::claim_for_plugin): Remove.
638 (File_read::descriptor): Reopen descriptor if necessary.
639 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
640 (Plugin_manager::all_symbols_read): Add task parameter. Change
642 (Plugin_manager::get_input_file): New function.
643 (Plugin_manager::release_input_file): New function.
644 (Pluginobj::Pluginobj): Add filesize parameter and initialize
645 corresponding data member.
646 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
647 and pass to base constructor. Change all callers.
648 (get_input_file, release_input_file): New functions.
649 (make_sized_plugin_object): Add filesize parameter. Change all callers.
650 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
651 (Plugin_manager::all_symbols_read): Add task parameter.
652 (Plugin_manager::get_input_file): New function.
653 (Plugin_manager::release_input_file): New function.
654 (Plugin_manager::task_): New data member.
655 (Pluginobj::Pluginobj): Add filesize parameter.
656 (Pluginobj::filename): New function.
657 (Pluginobj::descriptor): New function.
658 (Pluginobj::filesize): New function.
659 (Pluginobj::filesize_): New data member.
660 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
661 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
662 File_read::claim_for_plugin; use Object::unlock to unlock the file.
664 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
665 with archive libraries.
666 * testsuite/Makefile.in: Regenerate.
667 * testsuite/plugin_test.c (struct sym_info): New type.
668 (get_input_file, release_input_file): New static variables.
669 (onload): Capture new transfer vector entries.
670 (claim_file_hook): Stop reading at end of file according to filesize.
671 Factor out parsing of readelf output into separate function.
672 (all_symbols_read_hook): Exercise get_input_file and release_input_file
673 APIs and get the source file name from the symbol table. Convert
674 source file name to corresponding object file name. Print info
675 message when adding new input files.
676 (parse_readelf_line): New function.
677 * testsuite/plugin_test_1.sh: Add checks for new info messages.
678 * testsuite/plugin_test_2.sh: Likewise.
679 * testsuite/plugin_test_3.sh: Likewise.
680 * testsuite/plugin_test_4.sh: New test case.
682 2009-01-07 Ian Lance Taylor <iant@google.com>
684 * version.cc (version_string): Bump to 1.8.
686 2008-12-23 Cary Coutant <ccoutant@google.com>
688 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
689 * plugin.cc (Plugin_manager::finish): Rename as
690 layout_deferred_objects. Move cleanup to separate function.
691 (Plugin_manager::cleanup): New function.
692 (Plugin_finish::run): Call layout_deferred_objects and cleanup
694 * plugin.h (Plugin_manager::finish): Rename as
695 layout_deferred_objects.
696 (Plugin_manager::cleanup): New function.
697 (Plugin_manager::cleanup_done): New field.
699 2008-12-23 Cary Coutant <ccoutant@google.com>
701 * plugin.cc (is_visible_from_outside): New function.
702 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
703 so we don't return "IR only" status for exported symbols or -r links.
705 * testsuite/Makefile.am (plugin_test_3): New test case.
706 * testsuite/Makefile.in: Regenerate.
707 * testsuite/plugin_test_3.sh: New file.
709 2008-12-22 Cary Coutant <ccoutant@google.com>
711 * object.cc (Sized_relobj::layout_section): New function.
712 (Sized_relobj::do_layout): Defer layout of input sections until after
713 plugin has provided replacement files.
714 (Sized_relobj::do_layout_deferred_sections): New function.
715 * object.h (Relobj::set_section_offset): Remove virtual keyword.
716 (Relobj::layout_deferred_sections): New function.
717 (Relobj::do_layout_deferred_sections): New function.
718 (Sized_relobj::do_layout_deferred_sections): New function.
719 (Sized_relobj::layout_section): New function.
720 (Sized_relobj::Deferred_layout): New structure.
721 (Sized_relobj::deferred_layout_): New field.
722 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
723 Change all callers. Layout deferred sections.
724 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
726 (Plugin_hook::run): Move code from do_plugin_hook inline.
727 (Plugin_hook::do_plugin_hook): Remove.
728 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
729 (Plugin_manager::finish): Renamed, was cleanup.
730 (Plugin_manager::should_defer_layout): New function.
731 (Plugin_manager::add_deferred_layout_object): New function.
732 (Plugin_manager::Deferred_layout_list): New type.
733 (Plugin_manager::deferred_layout_objects_): New field.
734 (Plugin_hook::do_plugin_hook): Remove.
736 2008-12-17 Ian Lance Taylor <iant@google.com>
738 * options.h (class General_options): Add --no case for
741 2008-12-16 Cary Coutant <ccoutant@google.com>
743 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
745 (Plugin_manager::claim_file): Create plugin object even if
746 plugin did not call the add_symbols callback.
747 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
748 asking for more symbols than were added.
749 * testsuite/Makefile.am (plugin_test_1): Add test case with
751 (empty.syms): New target.
752 * testsuite/Makefile.in: Regenerate.
753 * testsuite/plugin_test.c (claim_file_hook): Add new debug
754 message. Don't call add_symbols if no globals.
755 (all_symbols_read_hook): Don't provide replacement for empty
758 2008-12-12 Ian Lance Taylor <iant@google.com>
760 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
761 r_type == 0 for a local symbol with r_sym == 0.
762 (scan_relocatable_relocs): Pass r_sym to
763 local_non_section_strategy.
764 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
767 * configure.ac: Update test for TLS descriptors: they are
768 supported as of glibc 2.9.
769 * configure: Rebuild.
771 2008-12-11 Ian Lance Taylor <iant@google.com>
774 * target-reloc.h (Default_scan_relocatable_relocs): For each
775 function, map r_type == 0 to RELOC_DISCARD.
777 2008-12-10 Cary Coutant <ccoutant@google.com>
779 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
780 object to override a kept COMDAT group from a plugin object.
782 2008-12-09 Ian Lance Taylor <iant@google.com>
785 * yyscript.y (file_cmd): Handle INPUT.
787 * testsuite/initpri1.c: Change all declarations to be full
788 prototypes by adding void, to avoid compiler warnings.
790 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
792 * options.cc (General_options::parse_plugin_opt): New.
793 (General_options::add_plugin): The argument now is just the filename.
794 (General_options::add_plugin_option): New.
795 * options.h (plugin_opt): New.
796 (add_plugin): Change argument name.
797 (add_plugin_option): New.
798 * plugin.cc (Plugin::load): Don't parse the plugin option.
799 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
800 (Plugin::add_option): New.
801 (Plugin::args_): Change type.
802 (Plugin::filename_): New.
803 (Plugin_manager::add_plugin_option): New.
804 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
805 * testsuite/Makefile.in: Regenerate.
807 2008-12-05 Cary Coutant <ccoutant@google.com>
809 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
810 Handle --strip-lto-sections option.
811 * options.h (strip_lto_sections): New option.
813 2008-12-01 Cary Coutant <ccoutant@google.com>
815 * plugin.cc (ld_plugin_message): Change format parameter to const.
816 Fix mismatch between new[] and delete.
818 2008-11-14 Cary Coutant <ccoutant@google.com>
820 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
823 2008-11-05 Craig Silverstein <csilvers@google.com>
825 * options.cc (General_options::parse_dynamic_list): New function.
826 * options.h (General_options): New flags dynamic_list,
827 dynamic_list_data, dynamic_list_cpp_new, and
828 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
829 (General_options::in_dynamic_list): New function.
830 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
831 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
832 (Lex::can_continue_name): Likewise.
834 (read_script_file): New parameter script_options.
835 (read_dynamic_list): New function.
836 (Script_options::define_dynamic_list): New function.
837 (dynamic_list_keyword_parsecodes): New variable.
838 (dynamic_list_keywords): New variable.
839 * script.h (Script_options::define_dynamic_list): New function
841 (read_dynamic_list): New function prototype.
842 * symtab.cc (strprefix): New macro.
843 (Symbol::should_add_dynsym_entry): Support dynamic_list,
844 dynamic_list_data, dynamic_list_cpp_new, and
845 dynamic_list_cpp_typeinfo.
846 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
847 (dynamic_list_expr): New rule.
848 (dynamic_list_nodes): Likewise.
849 (dynamic_list_node): Likewise.
850 * testsuite/Makefile.am (dynamic_list): New test.
851 * testsuite/Makefile.in: Regenerated.
852 * testsuite/dynamic_list.t: New file.
853 * testsuite/dynamic_list.sh: New file.
855 2008-11-05 Craig Silverstein <csilvers@google.com>
857 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
858 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
859 (t11_last): Likewise.
860 * testsuite/ver_test_6.c (main): Likewise.
862 2008-10-07 Cary Coutant <ccoutant@google.com>
864 * options.c (General_options::finalize): Add check for -static and
866 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
869 2008-10-02 Cary Coutant <ccoutant@google.com>
871 * plugin.cc (make_sized_plugin_object): Fix conditional
872 compilation to work when not all targets are enabled.
874 2008-09-29 Cary Coutant <ccoutant@google.com>
876 * archive.cc (Archive::get_file_and_offset): Use filename instead
877 of name to get library path.
878 (Archive::include_member): Unlock external member of a thin archive.
880 * testsuite/Makefile.am (TEST_AR): New variable.
881 (thin_archive_test_1): New test.
882 (thin_archive_test_2): New test.
883 * testsuite/Makefile.in: Regenerate.
884 * testsuite/thin_archive_main.cc: New file.
885 * testsuite/thin_archive_test_1.cc: New file.
886 * testsuite/thin_archive_test_2.cc: New file.
887 * testsuite/thin_archive_test_3.cc: New file.
888 * testsuite/thin_archive_test_4.cc: New file.
890 2008-09-29 Cary Coutant <ccoutant@google.com>
892 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
893 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
895 (Sized_relobj::do_finalize_local_symbols): Likewise.
896 (Sized_relobj::map_to_kept_section): Likewise.
897 * object.h (Sized_relobj::invalid_address): New constant.
898 (Sized_relobj::do_output_section_offset): Check for invalid_address
900 * output.cc (Output_reloc::local_section_offset): Use constant
901 invalid_address instead of -1U.
902 (Output_reloc::get_address): Likewise.
903 (Output_section::output_address): Change -1U to -1ULL.
904 * output.h (Output_reloc::invalid_address): New constant.
905 * reloc.cc (Sized_relobj::write_sections): Use constant
906 invalid_address instead of -1U.
907 (Sized_relobj::relocate_sections): Likewise.
908 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
909 values for merge sections.
910 * target-reloc.h (relocate_for_relocatable): Use constant
911 invalid_address instead of -1U.
913 2008-09-19 Cary Coutant <ccoutant@google.com>
915 Add plugin functionality for link-time optimization (LTO).
916 * configure.ac (plugins): Add --enable-plugins option.
917 * configure: Regenerate.
918 * config.in: Regenerate.
919 * Makefile.am (LIBDL): New variable.
920 (CCFILES): Add plugin.cc.
921 (HFILES): Add plugin.h.
922 (ldadd_var): Add LIBDL.
923 * Makefile.in: Regenerate.
925 * archive.cc: Include "plugin.h".
926 (Archive::setup): Don't preread archive symbols when using a plugin.
927 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
928 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
930 (Archive::include_member): Add symbols from plugin objects.
931 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
932 * descriptors.cc (Descriptors::open): Check for file descriptors
933 abandoned by plugins.
934 (Descriptors::claim_for_plugin): New function.
935 * descriptors.h (Descriptors::claim_for_plugin): New function.
936 (Open_descriptor::is_claimed): New field.
937 (claim_descriptor_for_plugin): New function.
938 * fileread.cc (File_read::claim_for_plugin): New function.
939 * fileread.h (File_read::claim_for_plugin): New function.
940 (File_read::descriptor): New function.
941 * gold.cc: Include "plugin.h".
942 (queue_initial_tasks): Add task to call plugin hooks for generating
944 * main.cc: Include "plugin.h".
945 (main): Load plugin libraries.
946 * object.h (Pluginobj): Declare.
947 (Object::pluginobj): New function.
948 (Object::do_pluginobj): New function.
949 (Object::set_target): New function.
950 * options.cc: Include "plugin.h".
951 (General_options::parse_plugin): New function.
952 (General_options::General_options): Initialize plugins_ field.
953 (General_options::add_plugin): New function.
954 * options.h (Plugin_manager): Declare.
955 (General_options): Add --plugin option.
956 (General_options::has_plugins): New function.
957 (General_options::plugins): New function.
958 (General_options::add_plugin): New function.
959 (General_options::plugins_): New field.
960 * plugin.cc: New file.
961 * plugin.h: New file.
962 * readsyms.cc: Include "plugin.h".
963 (Read_symbols::do_read_symbols): Check for archive before checking
964 for ELF file. Call plugin hooks to claim files.
965 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
966 from a real object file; force override when processing replacement
968 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
969 (Symbol::init_base_object): Likewise.
970 (Symbol::init_base_output_data): Likewise.
971 (Symbol::init_base_output_segment): Likewise.
972 (Symbol::init_base_constant): Likewise.
973 (Symbol::init_base_undefined): Likewise.
974 (Symbol::output_section): Assert that object is not a plugin.
975 (Symbol_table::add_from_pluginobj): New function.
976 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
978 (Symbol_table::sized_write_globals): Likewise.
979 (Symbol_table::add_from_pluginobj): Instantiate template.
980 * symtab.h (Sized_pluginobj): Declare.
981 (Symbol::in_real_elf): New function.
982 (Symbol::set_in_real_elf): New function.
983 (Symbol::in_real_elf_): New field.
984 (Symbol_table::add_from_pluginobj): New function.
986 * testsuite/Makefile.am (AM_CFLAGS): New variable.
987 (LIBDL): New variable.
989 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
990 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
991 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
992 (MOSTLYCLEANFILES): Likewise.
993 * testsuite/Makefile.in: Regenerate.
994 * testsuite/plugin_test.c: New file.
995 * testsuite/plugin_test_1.sh: New file.
996 * testsuite/plugin_test_2.sh: New file.
998 2008-09-16 Ian Lance Taylor <iant@google.com>
1000 * target-reloc.h (relocate_section): Check whether a symbol is
1001 defined by the ABI before reporting an undefined symbol error.
1002 * target.h (Target::is_defined_by_abi): Make parameter const.
1003 (Target::do_is_defined_by_abi): Likewise.
1004 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
1005 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
1006 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
1007 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
1008 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
1009 * testsuite/Makefile.in: Rebuild.
1011 * fileread.cc (make_view): Add casts to avoid warning.
1013 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1015 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
1016 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1018 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
1020 * options.h (General_options::output_is_executable): New.
1021 (General_options::output_is_pie): New.
1022 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
1023 for shared libraries.
1024 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
1026 2008-09-11 Chris Demetriou <cgd@google.com>
1028 * options.h (origin): New -z option.
1029 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
1030 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
1033 2008-09-05 Cary Coutant <ccoutant@google.com>
1035 * fileread.cc (File_read::make_view): Add check for attempt to map
1038 2008-09-05 Cary Coutant <ccoutant@google.com>
1040 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
1041 explicit instantiations.
1043 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
1046 * options.cc (General_options::finalize): Allow undefined symbols
1047 in shlibs if linking -shared.
1050 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
1051 symbols as not needing a dynsym entry.
1053 2008-08-20 Craig Silverstein <csilvers@google.com>
1055 * fileread.cc (File_read::open): Do not lock the file unless it
1056 was successfully opened.
1058 2008-08-14 Cary Coutant <ccoutant@google.com>
1060 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
1061 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
1062 * testsuite/tls_test.cc (struct int128): 128-bit struct
1063 for testing TLS relocs with non-zero addend.
1064 (v12): New TLS variable.
1066 (t_last): Add check for v12.
1067 * testsuite/tls_test.h (t12): New function.
1068 * testsuite/tls_test_main.cc (thread_routine): Call new test.
1070 2008-08-13 Ian Lance Taylor <iant@google.com>
1072 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
1073 set tls_segment_ or relro_segment_.
1074 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
1076 * output.h (Output_section::clear_is_relro): New function.
1077 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
1078 sections specially even when output_data_ is empty.
1079 (Output_segment::maximum_alignment): When first section is relro,
1080 only force alignment for PT_LOAD segments.
1081 * script.cc (script_data_segment_align): New function.
1082 (script_data_segment_relro_end): New function.
1083 * script-c.h (script_data_segment_align): Declare.
1084 (script_data_segment_relro_end): Declare.
1085 * script-sections.h (class Script_sections): Declare
1086 data_segment_align and data_segment_relro_end. Add fields
1087 segment_align_index_ and saw_relro_end_.
1088 * script-sections.cc (class Sections_element): Add set_is_relro
1089 virtual function. Add new bool* parameter to place_orphan_here.
1090 Add get_output_section virtual function.
1091 (class Output_section_definition): Add set_is_relro. Add new
1092 bool* parameter to place_orphan_here. Add get_output_section.
1093 Add is_relro_ field.
1094 (Output_section_definition::Output_section_definition): Initialize
1095 evaluated_address_, evaluated_load_address, evaluated_addralign_,
1096 and is_relro_ fields.
1097 (Output_section_definition::place_orphan_here): Add is_relro
1099 (Output_section_definition::set_section_addresses): Set relro for
1101 (Output_section_definition::alternate_constraint): Likewise.
1102 (class Orphan_output_section): Add new bool* parameter to
1103 place_orphan_here. Add get_output_section.
1104 (Orphan_output_section::place_orphan_here): Add is_relro
1106 (Script_sections::Script_sections): Initialize
1107 data_segment_align_index_ and saw_relro_end_.
1108 (Script_sections::data_segment_align): New function.
1109 (Script_sections::data_segment_relro_end): New function.
1110 (Script_sections::place_orphan): Set or clear is_relro.
1111 (Script_sections::set_section_addresses): Force alignment of first
1113 * yyscript.y (exp): Call script_data_segment_align and
1114 script_data_segment_relro_end.
1115 * testsuite/relro_script_test.t: New file.
1116 * testsuite/relro_test.cc (using_script): Declare.
1117 (t1, t2): Test using_script.
1118 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
1119 (relro_script_test_SOURCES): Define.
1120 (relro_script_test_DEPENDENCIES): Define.
1121 (relro_script_test_LDFLAGS): Define.
1122 (relro_script_test_LDADD): Define.
1123 (relro_script_test.so): New target.
1124 * testsuite/Makefile.in: Rebuild.
1126 2008-08-06 Cary Coutant <ccoutant@google.com>
1128 * archive.cc (Archive::total_archives, Archive::total_members)
1129 (Archive::total_members_loaded): New variables.
1130 (Archive::setup): Add parameter. Add option to preread
1132 (Archive::read_armap): Add counter.
1133 (Archive::get_file_and_offset): New function.
1134 (Archive::get_elf_object_for_member): New function.
1135 (Archive::read_all_symbols): New function.
1136 (Archive::read_symbols): New function.
1137 (Archive::add_symbols): Add counters.
1138 (Archive::include_all_members): Use armap to find members if it's
1140 (Archive::include_member): Skip reading symbols if already read.
1141 Factored code into Archive::get_file_and_offset and
1142 Archive::get_elf_object_for_member. Changed call to
1143 Mapfile::report_include_archive_member.
1144 (Archive::print_stats): New function.
1145 * archive.h: Declare Object and Read_symbols_data classes.
1146 (Archive::Archive): Add initializers for new members.
1147 (Archive::setup): Add parameter.
1148 (Archive::print_stats): New function.
1149 (Archive::total_archives, Archive::total_members)
1150 (Archive::total_members_loaded): New variables.
1151 (Archive::get_file_and_offset): New function.
1152 (Archive::get_elf_object_for_member): New function.
1153 (Archive::read_all_symbols): New function.
1154 (Archive::read_symbols): New function.
1155 (Archive::Archive_member): New class.
1156 (Archive::members_): New member.
1157 (Archive::num_members_): New member.
1158 * main.cc: Include archive.h.
1159 (main): Call Archive::print_stats.
1160 * mapfile.cc (Mapfile::report_include_archive_member): Delete
1161 archive parameter; member_name is now the fully-decorated name.
1162 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
1163 * options.h: (General_options): Add --preread-archive-symbols option.
1164 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
1167 2008-08-04 Ian Lance Taylor <iant@google.com>
1169 * symtab.h (Symbol::use_plt_offset): New function.
1170 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
1171 * powerpc.cc (Relocate::relocate): Likewise.
1172 * sparc.cc (Relocate::relocate): Likewise.
1173 * x86_64.cc (Relocate::relocate): Likewise.
1174 * testsuite/weak_plt.sh: New test.
1175 * testsuite/weak_plt_main.cc: New test.
1176 * testsuite/weak_plt_shared.cc: New test.
1177 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
1178 (check_PROGRAMS): Add weak_plt.
1179 (check_DATA): Add weak_plt_shared.so.
1180 (weak_plt_main_pic.o, weak_plt): New targets.
1181 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
1182 * testsuite/Makefile.in: Rebuild.
1184 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
1186 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
1187 * testsuite/Makefile.in: Rebuild.
1189 2008-08-04 Alan Modra <amodra@bigpond.net.au>
1191 * Makefile.am (POTFILES.in): Set LC_ALL=C.
1192 * Makefile.in: Regenerate.
1193 * po/POTFILES.in: Regenerate.
1195 2008-07-29 Ian Lance Taylor <iant@google.com>
1197 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
1198 symbols before other symbols.
1199 * testsuite/script_test_2.cc (test_addr): Declare.
1200 (test_addr_alias): Declare.
1201 (main): Check that test_addr and test_addr_alias have the right
1203 * testsuite/script_test_2.t: Define test_addr_alias and
1206 2008-07-24 Ian Lance Taylor <iant@google.com>
1209 * descriptors.cc: New file.
1210 * descriptors.h: New file.
1211 * gold-threads.h (class Hold_optional_lock): New class.
1212 * fileread.cc: Include "descriptors.h".
1213 (File_read::~File_read): Release descriptor rather than closing
1215 (File_read::open) [file]: Call open_descriptor rather than open.
1216 Set is_descriptor_opened_.
1217 (File_read::open) [memory]: Assert that descriptor is not open.
1218 (File_read::reopen_descriptor): New function.
1219 (File_read::release): Release descriptor.
1220 (File_read::do_read): Make non-const. Reopen descriptor.
1221 (File_read::read): Make non-const.
1222 (File_read::make_view): Reopen descriptor.
1223 (File_read::do_readv): Likewise.
1224 * fileread.h (class File_read): Add is_descriptor_opened_ field.
1225 Update declarations.
1226 * layout.cc: Include "descriptors.h".
1227 (Layout::create_build_id): Use open_descriptor rather than open.
1228 * output.cc: Include "descriptors.h".
1229 (Output_file::open): Use open_descriptor rather than open.
1230 * archive.cc (Archive::const_iterator): Change Archive to be
1232 (Archive::begin, Archive::end): Make non-const.
1233 (Archive::count_members): Likewise.
1234 * archive.h (class Archive): Update declarations.
1235 * object.h (Object::read): Make non-const.
1236 * Makefile.am (CCFILES): Add descriptors.cc.
1237 (HFILES): Add descriptors.h.
1238 * Makefile.in: Rebuild.
1241 * gold.h: Always include <clocale>. Add Solaris workarounds
1242 following code in binutils/sysdep.h.
1245 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
1246 this->eh_frame_hdr_ is NULL before using it.
1248 * dynobj.cc (Versions::Versions): Update comment.
1250 * dynobj.cc (Versions::Versions): If there is an soname, use it as
1251 the base version name.
1253 * stringpool.cc (Stringpool_template::add_with_length): Set key to
1254 array size plus one.
1255 (Stringpool_template::set_string_offsets): Subtract one from key
1256 before using it as an array index.
1257 (Stringpool_template::get_offset_with_length): Likewise.
1258 (Stringpool_template::write_to_buffer): Likewise.
1259 * stringpool.h (Stringpool_template::get_offset_from_key):
1262 2008-07-23 Ian Lance Taylor <iant@google.com>
1265 * object.h (Merged_symbol_value::value): Do our best to handle a
1269 * script.cc (Version_script_info::get_versions): Don't add empty
1270 version tag to return value.
1271 (Version_script_info::get_symbol_version_helper): Change return
1272 type to bool. Add pversion parameter. Change all callers.
1273 (script_register_vers_node): Don't require a non-NULL tag.
1274 * script.h (class Version_script_info): Update declarations.
1275 (Version_script_info::get_symbol_version): Change return type to
1276 bool. Add version parameter. Change all callers.
1277 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
1278 handling. Handle an empty version from a version script.
1279 (Symbol_table::define_special_symbol): Likewise.
1280 * testsuite/ver_test_10.script: New file.
1281 * testsuite/ver_test_10.sh: New file.
1282 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
1283 (check_DATA): Add ver_test_10.syms.
1284 (ver_test_10.syms, ver_test_10.so): New target.
1285 * testsuite/Makefile.in: Rebuild.
1287 2008-07-23 Simon Baldwin <simonb@google.com>
1289 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
1290 to zero for undefined symbols from dynamic libraries.
1292 2008-07-23 Ian Lance Taylor <iant@google.com>
1294 * symtab.cc (Symbol_table::resolve): Remove version parameter.
1296 * symtab.h (class Symbol_table): Update declaration.
1297 * testsuite/ver_test_9.cc: New file.
1298 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
1299 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
1300 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
1301 (ver_test_9.so, ver_test_9.o): New targets.
1302 * testsuite/Makefile.in: Rebuild.
1304 2008-07-22 Ian Lance Taylor <iant@google.com>
1306 * options.h (class General_options): Define --check-sections.
1307 * layout.cc (Layout::set_segment_offsets): Handle
1310 * options.h (class General_options): Define -n/--nmagic and
1312 * options.cc (General_options::finalize): For -n/--nmagic or
1313 -N/--omagic, set -static.
1314 * layout.cc (Layout::attach_allocated_section_to_segment): If
1315 -N/--omagic, don't put read-only and read-write sections in
1317 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
1318 finding a read-only segment.
1319 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
1320 don't set the minimum segment alignment to the common page size,
1321 and don't set the file offset to the address modulo the page size.
1322 * script-sections.cc (Script_sections::create_segments): If
1323 -n/--omagic, don't put read-only and read-write sections in
1326 * cref.cc: New file.
1328 * options.h (class General_options): Add --print-symbol-counts.
1329 * main.cc (main): Issue defined symbol report if requested.
1330 * archive.cc (Archive::interpret_header): Make into a const member
1332 (Archive::add_symbols): Call Input_objects::archive_start and
1334 (Archive::const_iterator): Define new class.
1335 (Archive::begin, Archive::end): New functions.
1336 (Archive::include_all_members): Rewrite to use iterator.
1337 (Archive::count_members): New function.
1338 * archive.h (class Archive): Update declarations.
1339 (Archive::filename): New function.
1340 * object.cc: Include "cref.h".
1341 (Sized_relobj::Sized_relobj): Initialize defined_count_.
1342 (Sized_relobj::do_get_global_symbol_counts): New function.
1343 (Input_objects::add_object): Add object to cross-referencer.
1344 (Input_objects::archive_start): New function.
1345 (Input_objects::archive_stop): New function.
1346 (Input_objects::print_symbol_counts): New function.
1347 * object.h: Declare Cref and Archive.
1348 (Object::get_global_symbol_counts): New function.
1349 (Object::do_get_global_symbol_counts): New pure virtual function.
1350 (class Sized_relobj): Add defined_count_ field. Update
1352 (class Input_objects): Add cref_ field. Update constructor.
1353 Update declarations.
1354 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
1356 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
1358 (Sized_dynobj::do_get_global_symbol_counts): New function.
1359 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
1360 defined_count_. Update declarations. Define Symbols typedef.
1361 * symtab.cc (Symbol_table::add_from_relobj): Add defined
1362 parameter. Change all callers.
1363 (Symbol_table::add_from_dynobj): Add sympointers and defined
1364 parameters. Change all callers.
1365 * symtab.h (class Symbol_table): Update declarations.
1366 * Makefile.am (CCFILES): Add cref.cc.
1367 (HFILES): Add cref.h.
1368 * Makefile.in: Rebuild.
1370 2008-07-22 Simon Baldwin <simonb@google.com>
1372 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
1373 to zero when writing undefined symbols.
1375 2008-07-22 Ian Lance Taylor <iant@google.com>
1377 * output.cc (Output_section::add_input_section): Don't try to
1378 merge empty merge sections.
1380 2008-07-21 Craig Silverstein <csilvers@google.com>
1382 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1383 Include symbol version in error message.
1385 2008-07-20 Chris Demetriou <cgd@google.com>
1387 * configure.ac (gold_cv_c_random_seed): New configured variable.
1388 (RANDOM_SEED_CFLAGS): New substituted variable.
1389 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
1390 * configure: Rebuild.
1391 * Makefile.in: Likewise.
1392 * testsuite/Makefile.in: Likewise.
1394 2008-07-18 Ian Lance Taylor <iant@google.com>
1396 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
1397 where we see NAME/NULL and NAME/VERSION as separate symbols.
1398 * testsuite/ver_test_main.cc (main): Call t4.
1399 (t4, t4_2a): Define.
1400 * testsuite/ver_test_2.cc (t4_2): Define.
1401 * testsuite/ver_test_2.script: Put t4_2a in VER2.
1402 * testsuite/ver_test_4.cc (t4_2a): Define.
1403 * testsuite/ver_test_4.script: Put t4_2a in VER2.
1404 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
1406 2008-07-17 Ian Lance Taylor <iant@google.com>
1408 * dynobj.cc (Versions::add_def): If we give an error about a
1409 missing version, go ahead and create the version anyhow.
1411 2008-07-10 Ian Lance Taylor <iant@google.com>
1413 Handle output sections with more than 0x7fffffff bytes.
1414 * object.h (class Relobj): Change map_to_output_ to
1415 output_sections_, and just keep a section pointer. Change all
1416 uses. Move comdat group support to Sized_relobj.
1417 (Relobj::is_section_specially_mapped): Remove.
1418 (Relobj::output_section): Remove poff parameter. Change all
1420 (Relobj::output_section_offset): New function.
1421 (Relobj::set_section_offset): Rewrite.
1422 (Relobj::map_to_output): Remove.
1423 (Relobj::output_sections): New function.
1424 (Relobj::do_output_section_offset): New pure virtual function.
1425 (Relobj::do_set_section_offset): Likewise.
1426 (class Sized_relobj): Add section_offsets_ field. Add comdat
1427 group support from Relobj. Update declarations.
1428 (Sized_relobj::get_output_section_offset): New function.
1429 (Sized_relobj::do_output_section_offset): New function.
1430 (Sized_relobj::do_set_section_offset): New function.
1431 * object.cc (Relobj::output_section_address): Remove.
1432 (Sized_relobj::Sized_relobj): Initialize new fields.
1433 (Sized_relobj::include_section_group): Cast find_kept_object to
1435 (Sized_relobj::include_linkonce_section): Likewise.
1436 (Sized_relobj::do_layout): Use separate arrays for output section
1438 (Sized_relobj::do_count_local_symbols): Change map_to_output to
1440 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
1441 output_sections and section_offsets.
1442 (Sized_relobj::write_local_symbols): Likewise.
1443 (map_to_kept_section): Compute output address directly.
1444 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
1445 output_sections and section_offsets.
1446 (Sized_relobj::write_sections): Likewise.
1447 (Sized_relobj::relocate_sections): Likewise.
1448 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
1449 * output.h (class Output_reloc): Update declarations. Change
1450 u2_.relobj to Sized_relobj*.
1451 (class Output_data_reloc): Change add functions to use
1453 * output.cc (Output_reloc::Output_reloc): Change relobj to
1455 (Output_reloc::local_section_offset): Change return type to
1456 Elf_Addr. Use get_output_section_offset.
1457 (Output_reloc::get_address): Likewise.
1458 (Output_section::is_input_address_mapped): Don't call
1459 is_section_specially_mapped.
1460 (Output_section::output_offset): Likewise.
1461 (Output_section::output_address): Likewise.
1462 (Output_section::starting_output_address): Likewise.
1463 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
1464 parameter to Sized_relobj*.
1465 (Copy_relocs::need_copy_reloc): Likewise.
1466 (Copy_relocs::save): Likewise.
1467 * copy-relocs.h (class Copy_relocs): Update declarations.
1468 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
1469 Sized_relobj*. Change relobj_ field to Sized_relobj*.
1470 * target-reloc.h (relocate_for_relocatable): Change
1471 offset_in_output_section type to Elf_Addr. Change code that uses
1473 * layout.cc (Layout::layout): Always set *off.
1474 * mapfile.cc (Mapfile::print_input_section): Use
1475 output_section_offset.
1476 * i386.cc (Target_i386::copy_reloc): Change object parameter to
1478 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
1479 * sparc.cc (Target_sparc::copy_reloc): Likewise.
1480 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
1482 2008-07-03 Ian Lance Taylor <iant@google.com>
1484 * layout.cc (Layout::include_section): Do not discard unrecognized
1485 SHT_STRTAB sections.
1487 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
1489 * script.cc (Lex::can_continue_name): Make '?' allowable in
1490 version-script names.
1491 * testsuite/version_script.map: Change glob pattern to use '?'
1493 2008-06-30 Manish Singh <yosh@gimp.org>
1496 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
1499 2008-06-30 Ian Lance Taylor <iant@google.com>
1503 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
1504 versions]: Don't try to read the value in the contents, since we
1505 don't use it. Use the template endianness when writing.
1507 2008-06-25 Cary Coutant <ccoutant@google.com>
1509 * fileread.cc (File_read::make_view): Assert on zero-length view.
1510 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
1511 symbol table when there are no symbols to read.
1513 2008-06-23 Craig Silverstein <csilvers@google.com>
1515 * version.cc (version_string): Bump to 1.7
1517 2008-06-18 Craig Silverstein <csilvers@google.com>
1519 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
1520 constant 0xFFFF to type Valtype.
1521 (Powerpc_relocate_functions::rel16_ha): Likewise.
1523 2008-06-17 Ian Lance Taylor <iant@google.com>
1525 * output.h (Output_section::Input_section): Initialize p2align_ to
1526 zero for Output_section_data constructors.
1527 (Output_section::Input_section::addralign): If not an input
1528 section, return the alignment of the Output_section_data.
1529 * testsuite/copy_test.cc: New file.
1530 * testsuite/copy_test_1.cc: New file.
1531 * testsuite/copy_test_2.cc: New file.
1532 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
1533 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
1534 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
1535 (copy_test_1_pic.o, copy_test_1.so): New targets.
1536 (copy_test_2_pic.o, copy_test_2.so): New targets.
1537 * testsuite/Makefile.in: Rebuild.
1539 * script-sections.cc (Script_sections::place_orphan): Initialize
1540 local variable exact.
1542 2008-06-13 David Edelsohn <edelsohn@gnu.org>
1544 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
1546 2008-06-12 David Edelsohn <edelsohn@gnu.org>
1547 David S. Miller <davem@davemloft.net>
1549 * powerpc.cc: New file.
1550 * Makefile.am (TARGETSOURCES): Add powerpc.cc
1551 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
1552 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
1553 * Makefile.in: Rebuild.
1555 2008-06-09 Ian Lance Taylor <iant@google.com>
1557 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
1559 (throwing, orig_terminate): New static variables.
1560 (terminate_handler): New static function.
1561 (t2): Set terminate handler.
1563 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
1566 * binary.cc (Binary_to_elf::sized_convert): Fix .data
1569 2008-05-30 Cary Coutant <ccoutant@google.com>
1571 * archive.cc (Archive::include_all_members) Correct to step
1572 over symbol table and extended name table in thin archives.
1574 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
1577 * target-reloc.h (relocate_for_relocatable): Fix new_offset
1580 2008-05-28 Caleb Howe <cshowe@google.com>
1582 * reduced_debug_output.cc: New file.
1583 * reduced_debug_output.h: New file.
1584 * options.h (class General_options): Add --strip-debug-non-line.
1585 * options.cc (General_options::finalize): Add strip_debug_non_line
1586 to the strip heirarchy.
1587 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
1589 * layout.cc: Include "reduced_debug_output.h".
1590 (Layout::Layout): Initialize new fields.
1591 (line_only_debug_sections): New static array.
1592 (is_lines_only_debug_sections): New static inline function.
1593 (Layout::include_section): Handle --strip-debug-non-line.
1594 (Layout::make_output_section): If --strip-debug-non-line, build
1595 new output sections for .debug_abbrev and .debug_info.
1596 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
1597 gold. Warn about possible overflow.
1598 (read_signed_LEB_128): Likewise.
1599 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
1600 (read_signed_LEB_128): Declare.
1601 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
1602 (HFILES): Add reduced_debug_output.h.
1603 * Makefile.in: Rebuild.
1605 2008-05-21 Ian Lance Taylor <iant@google.com>
1607 * mapfile.cc: New file.
1608 * mapfile.h: New file.
1609 * options.h (class General_options): Add -M/--print-map and -Map.
1610 * options.cc (General_options::finalize): Make -M equivalent to
1612 * main.cc: Include <cstdio> and "mapfile.h".
1613 (main): Open mapfile if requested.
1614 * gold.cc (class Middle_runner): Add mapfile_ field. Update
1615 constructor. Change caller.
1616 (queue_initial_tasks): Add mapfile parameter. Change caller.
1617 (queue_middle_tasks): Likewise.
1618 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
1620 * archive.cc: Include "mapfile.h".
1621 (Archive::add_symbols): Add mapfile parameter. Change all
1622 callers. Pass mapfile, symbol, and reason to include_member.
1623 (Archive::include_all_members): Add mapfile parameter. Change all
1625 (Archive::include_member): Add mapfile, sym, and why parameters.
1626 Change all callers. Report inclusion to map file.
1627 * archive.h: Include "fileread.h".
1628 (class Archive): Update declarations.
1629 (Archive::file): New const method.
1630 (class Add_archive_symbols): Add mapfile_ field. Update
1631 constructor. Change all callers.
1632 * readsyms.h (class Read_symbols): Likewise.
1633 (class Finish_group): Likewise.
1634 (class Read_script): Likewise.
1635 * common.cc: Include "mapfile.h".
1636 (Symbol_table::allocate_commons): Add mapfile parameter. Change
1638 (Symbol_table::do_allocate_commons): Likewise.
1639 (Symbol_table::do_allocate_commons_list): Likewise. Report common
1640 symbol allocation to mapfile.
1641 * common.h (class Allocate_commons_task): Add mapfile_ field.
1642 Update constructor. Change all callers.
1643 * symtab.h (class Symbol_table): Update declarations.
1644 * layout.cc: Include "mapfile.h".
1645 (Layout_task_runner::run): Print information to mapfile.
1646 (Layout::create_gold_note): Change Output_data_fixed_space to
1647 Output_data_zero_fill.
1648 (Layout::create_build_id): Likewise.
1649 (Layout::print_to_mapfile): New function.
1650 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
1651 constructor. Change caller.
1652 (class Layout): Declare print_to_mapfile.
1653 * output.cc (Output_section::Input_section::print_to_mapfile): New
1655 (Output_section::add_input_section): If producing a map, always
1656 add to input_sections_ list.
1657 (Output_section::do_print_to_mapfile): New function.
1658 (Output_segment::print_sections_to_mapfile): New function.
1659 (Output_segment::print_section_list_to_mapfile): New function.
1660 * output.h: Include "mapfile.h".
1661 (Output_data::print_to_mapfile): New function.
1662 (Output_data::do_print_to_mapfile): New virtual function.
1663 (Output_segment_headers::do_print_to_mapfile): New function.
1664 (Output_file_header::do_print_to_mapfile): New function.
1665 (Output_data_const::do_print_to_mapfile): New function.
1666 (class Output_data_const_buffer): Add map_name_ field. Update
1667 constructor. Change all callers. Add do_print_to_mapfile
1669 (class Output_data_fixed_space): Likewise.
1670 (class Output_data_space): Likewise.
1671 (class Output_data_zero_fill): New class.
1672 (Output_data_strtab::do_print_to_mapfile): New function.
1673 (Output_data_reloc_base::do_print_to_mapfile): New function.
1674 (Output_relocatable_relocs::do_print_to_mapfile): New function.
1675 (Output_data_group::do_print_to_mapfile): New function.
1676 (Output_data_got::do_print_to_mapfile): New function.
1677 (Output_data_dynamic::do_print_to_mapfile): New function.
1678 (Output_symtab_xindex::do_print_to_mapfile): New function.
1679 (class Output_section): Declare do_print_to_mapflie. Declare
1680 print_to_mapfile in Input_section.
1681 (class Output_segment): Declare new functions.
1682 * object.h (Sized_relobj::symbol_count): New function.
1683 * script-sections.cc
1684 (Output_section_element_dot_assignment::set_section_addresses):
1685 Change Output_data_fixed_space to Output_data_zero_fill.
1686 (Output_data_expression::do_print_to_mapfile): New function.
1687 * script.cc (read_input_script): Add mapfile parameter. Change
1689 * script.h (read_input_script): Update declaration.
1690 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
1691 (Eh_frame::do_print_to_mapfile): New function.
1692 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
1693 (Output_merge_string::do_print_to_mapfile): New function.
1694 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
1696 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
1698 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
1700 * Makefile.am (CCFILES): Add mapfile.cc.
1701 (HFILES): Add mapfile.h.
1702 * Makefile.in: Rebuild.
1704 2008-05-19 Ian Lance Taylor <iant@google.com>
1706 * options.h (class General_options): Add -z relro.
1707 * layout.cc (Layout::Layout): Initialize relro_segment_.
1708 (Layout::add_output_section_data): Return the output section.
1709 (Layout::make_output_section): Rcognize relro sections and mark
1711 (Layout::attach_allocated_section_to_segment): Put relro sections
1712 in a PT_GNU_RELRO segment.
1713 (Layout::create_initial_dynamic_sections): Mark the .dynamic
1715 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
1717 (Layout::linkonce_mapping): Map d.rel.ro.local to
1719 (Layout::output_section_name): Us .data.rel.ro.local for any
1720 section which begins with that.
1721 * layout.h (class Layout): Update add_output_section_data
1722 declaration. Add relro_segment_ field.
1723 * output.cc (Output_section::Output_section): Initialize is_relro_
1724 and is_relro_local_ fields.
1725 (Output_segment::add_output_section): Group relro sections.
1726 (Output_segment::is_first_section_relro): New function.
1727 (Output_segment::maximum_alignment): If there is a relro section,
1728 align the segment to the common page size.
1729 (Output_segment::set_section_addresses): Track whether we are
1730 looking at relro sections. If the last section is a relro
1731 section, align to the common page size.
1732 (Output_segment::set_section_list_addresses): Add in_relro
1733 parameter. Change all callers. Align to the page size when
1734 moving from relro to non-relro section.
1735 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
1737 * output.h (class Output_section): Add is_relro_ and
1738 is_relro_local_ fields.
1739 (Output_section::is_relro): New function.
1740 (Output_section::set_is_relro): New function.
1741 (Output_section::is_relro_local): New function.
1742 (Output_section::set_is_relro_local): New function.
1743 (class Output_segment): Update declarations.
1744 * i386.cc (Target_i386::got_section): Mark .got section as relro.
1745 * sparc.cc (Target_sparc::got_section): Likewise.
1746 * x86_64.cc (Target_x86_64::got_section): Likewise.
1747 * testsuite/relro_test_main.cc: New file.
1748 * testsuite/relro_test.cc: New file.
1749 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
1750 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
1751 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
1752 (relro_test.so, relro_test_pic.o): New targets.
1753 * testsuite/Makefile.in: Rebuild.
1755 2008-05-16 Ian Lance Taylor <iant@google.com>
1757 * output.cc (Output_segment::add_output_section): Remove front
1759 * output.h (class Output_segment): Remove
1760 add_initial_output_section and overloaded add_output_section.
1761 Update declaration of remaining add_output_section.
1762 * layout.cc (Layout::create_interp): Call add_output_section
1763 rather than add_initial_output_section.
1764 (Layout::finish_dynamic_section): Likewise.
1766 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
1767 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
1768 know the dynamic type.
1769 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
1770 field. Initialize it in constructor.
1771 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
1772 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
1773 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
1776 * output.cc (Output_reloc::get_address): Change return type to
1778 * output.h (class Output_reloc): Update get_address declaration.
1779 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
1780 for section addresses.
1782 2008-05-09 Ian Lance Taylor <iant@google.com>
1785 * gold.cc (gold_nomem): Use return value of write.
1787 2008-05-08 Ian Lance Taylor <iant@google.com>
1789 * symtab.c (Symbol::init_base_output_data): Add version
1790 parameter. Change all callers.
1791 (Symbol::init_base_output_segment): Likewise.
1792 (Symbol::init_base_constant): Likewise.
1793 (Symbol::init_base_undefined): Likewise.
1794 (Sized_symbol::init_output_data): Likewise.
1795 (Sized_symbol::init_output_segment): Likewise.
1796 (Sized_symbol::init_constant): Likewise.
1797 (Sized_symbol::init_undefined): Likewise.
1798 (Symbol_table::do_define_in_output_data): If the new symbol has a
1799 version, mark it as the default.
1800 (Symbol_table::do_define_in_output_segment): Likewise.
1801 (Symbol_table::do_define_as_constant): Likewise.
1802 * symtab.h (class Symbol): Update declarations.
1803 (class Sized_symbol): Likewise.
1804 * resolve.cc (Symbol::override_version): New function.
1805 (Symbol::override_base): Call override_version.
1806 (Symbol::override_base_with_special): Likewise.
1807 * testsuite/ver_script_8.script: New file.
1808 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
1809 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
1810 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
1811 (ver_test_8_1.so, ver_test_8_2.so): New targets.
1813 2008-05-06 Ian Lance Taylor <iant@google.com>
1816 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
1818 (class General_options): Remove existing --undefined, and add
1819 --no-undefined instead. Add new --undefined as synonym for -u.
1820 * archive.cc (Archive::add_symbols): Check whether symbol was
1822 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
1823 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
1824 all uses. Add IS_UNDEFINED. Update declarations to split
1825 different versions of init_base. Declare init_base_undefined.
1826 (Symbol::is_defined): Handle IS_UNDEFINED.
1827 (Symbol::is_undefined): Likewise.
1828 (Symbol::is_weak_undefined): Call is_undefined.
1829 (Symbol::is_absolute): Handle IS_CONSTANT.
1830 (class Sized_symbol): Update declarations to split different
1831 versions of init. Declare init_undefined.
1832 (class Symbol_table): Declare new functions.
1833 * symtab.cc (Symbol::init_base_object): Rename from init_base.
1835 (Symbol::init_base_output_data): Likewise.
1836 (Symbol::init_base_output_segment): Likewise.
1837 (Symbol::init_base_constant): Likewise.
1838 (Symbol::init_base_undefined): New function.
1839 (Sized_symbol::init_object): Rename from init. Change all
1841 (Sized_symbol::init_output_data): Likewise.
1842 (Sized_symbol::init_output_segment): Likewise.
1843 (Sized_symbol::init_constant): Likewise.
1844 (Sized_symbol::init_undefined): New function.
1845 (Symbol_table::add_undefined_symbols_from_command_line): New
1847 (Symbol_table::do_add_undefined_symbols_from_command_line): New
1849 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
1850 (Symbol::output_section): Likewise.
1851 (Symbol::set_output_section): Likewise.
1852 (Symbol_table::sized_finalize_symbol): Likewise.
1853 (Symbol_table::sized_write_globals): Likewise.
1854 * resolve.cc (Symbol_table::should_override): Likewise.
1855 (Symbol::override_base_with_special): Likewise.
1857 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
1858 symbol, change it to have default visibility.
1859 * testsuite/protected_1.cc: New file.
1860 * testsuite/protected_2.cc: New file.
1861 * testsuite/protected_3.cc: New file.
1862 * testsuite/protected_main_1.cc: New file.
1863 * testsuite/protected_main_2.cc: New file.
1864 * testsuite/protected_main_3.cc: New file.
1865 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
1866 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
1867 (protected_1_LDFLAGS, protected_1_LDADD): Define.
1868 (protected_1.so): New target.
1869 (protected_1_pic.o, protected_2_pic.o): New targets.
1870 (protected_3_pic.o): New target.
1871 (check_PROGRAMS): Add protected_2.
1872 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
1873 (protected_2_LDFLAGS, protected_2_LDADD): Define.
1874 * testsuite/Makefile.in: Rebuild.
1876 * options.h (DEFINE_var): Add set_user_set_##varname__.
1877 (DEFINE_bool_alias): New macro.
1878 (class General_options): Define -Bstatic using DEFINE_bool_alias
1879 rather than DEFINE_special. Add --undefined as an alias for -z
1881 * options.cc (General_options::parse_Bstatic): Remove.
1883 * options.h (class General_options): Add --fatal-warnings.
1884 * main.cc (main): Implement --fatal-warnings.
1885 * errors.h (Errors::warning_count): New function.
1887 * options.h (class General_options): Add -Bsymbolic-functions.
1888 * symtab.h (Symbol::is_preemptible): Check for
1889 -Bsymbolic-functions.
1891 2008-05-05 Ian Lance Taylor <iant@google.com>
1893 * options.h (DEFINE_bool): For DASH_Z, create the negative option
1894 as noVARNAME rather than no-VARNAME.
1895 (class General_options): Add option -z combreloc.
1896 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
1898 (Output_reloc::sort_before) [SHT_REL]: New function.
1899 (Output_reloc::sort_before) [SHT_RELA]: New function.
1900 (class Output_data_reloc_base): Add sort_relocs_ field. Define
1901 Sort_relocs_comparison.
1902 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
1903 parameter. Change all callers.
1904 (Output_data_reloc::Output_data_reloc) [both versions]: Add
1905 sort_relocs parameter. Change all callers.
1906 * output.cc (Output_reloc::get_address): New function, broken out
1908 (Output_reloc::write_rel): Call it.
1909 (Output_reloc::compare): New function.
1910 (Output_data_reloc_base::do_write): Optionally sort relocs.
1912 * configure.ac: If targ_extra_obj is set, link it in.
1913 * configure.tgt: Initialize all variables.
1914 (x86_64*): Set targ_extra_obj and targ_extra_size.
1915 * configure: Rebuild.
1917 * object.cc (Sized_relobj::include_section_group): Adjust section
1918 indexes read from group data. Build vector to pass to
1920 * layout.cc (Layout::layout_group): Add flags and shndxes
1921 parameters. Remove contents parameter. Change caller. Update
1922 explicit instantiations.
1923 * layout.h (class Layout): Update layout_group declaration.
1924 * output.cc (Output_data_group::Output_data_group): Add flags and
1925 input_shndxes parameters. Remove contents parameter. Change
1927 (Output_data_group::do_write): Change input_sections_ to
1929 * output.h (class Output_data_group): Update constructor
1930 declaration. Rename input_sections_ to input_shndxes_.
1931 * testsuite/many_sections_test.cc: Add template.
1933 2008-04-30 Cary Coutant <ccoutant@google.com>
1935 * target-reloc.h (relocate_section): Fix dead-pointer bug.
1937 * layout.cc (Layout::include_section): Refactored check for debug
1939 (Layout::add_comdat): Add new parameters. Change type
1940 of signature parameter. Add object and shndx to signatures table.
1941 (Layout::find_kept_object): New function.
1942 * layout.h: Include <cstring>.
1943 (Layout::is_debug_info_section): New function.
1944 (Layout::add_comdat): Add new parameters.
1945 (Layout::find_kept_object): New function.
1946 (Layout::Kept_section): New struct.
1947 (Layout::Signatures): Change type of map range.
1948 * object.cc (Relobj::output_section_address): New function.
1949 (Sized_relobj::include_section_group): Add new parameters. Change
1950 calls to Layout::add_comdat. Change to build table of kept comdat
1951 groups and table mapping discarded sections to kept sections.
1952 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
1953 (Sized_relobj::do_layout): Change calls to include_section_group and
1954 include_linkonce_section.
1955 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
1956 value to zero when section is discarded.
1957 (Sized_relobj::map_to_kept_section): New function.
1958 * object.h (Relobj::output_section_address): New function.
1959 (Relobj::Comdat_group): New type.
1960 (Relobj::find_comdat_group): New function.
1961 (Relobj::Comdat_group_table): New type.
1962 (Relobj::Kept_comdat_section): New type.
1963 (Relobj::Kept_comdat_section_table): New type.
1964 (Relobj::add_comdat_group): New function.
1965 (Relobj::set_kept_comdat_section): New function.
1966 (Relobj::get_kept_comdat_section): New function.
1967 (Relobj::comdat_groups_): New field.
1968 (Relobj::kept_comdat_sections_): New field.
1969 (Symbol_value::input_value): Update comment.
1970 (Sized_relobj::map_to_kept_section) New function.
1971 (Sized_relobj::include_linkonce_section): Add new parameter.
1972 * target-reloc.h (Comdat_behavior): New type.
1973 (get_comdat_behavior): New function.
1974 (relocate_section): Add code to map a discarded section to the
1975 corresponding kept section when applying a relocation.
1977 2008-04-30 Craig Silverstein <csilvers@google.com>
1979 * dwarf_reader.cc (next_generation_count): New static var.
1980 (Addr2line_cache_entry): New struct.
1981 (addr2line_cache): New static var.
1982 (Dwarf_line_info::one_addr2line): Added caching.
1983 (Dwarf_line_info::clear_addr2line_cache): New function.
1984 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
1985 cache-size parameter.
1986 (Dwarf_line_info::one_addr2line_cache): New function.
1987 * symtab.cc (Symbol_table::detect_odr_violations): Pass
1988 new cache-size argument to one_addr2line(), and clear cache.
1990 2008-04-28 Cary Coutant <ccoutant@google.com>
1992 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
1993 R_386_PC8 relocations.
1995 2008-04-23 Ian Lance Taylor <iant@google.com>
1997 * object.cc (Sized_relobj::include_section_group): Check for
1998 invalid section group.
2000 * object.cc (make_elf_object): Correct test for 64-bit ELF file
2003 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
2004 than read for file header.
2005 * archive.cc (Archive::include_member): Likewise.
2007 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
2009 * aclocal.m4: Regenerate.
2010 * configure: Regenerate.
2012 2008-04-19 Ian Lance Taylor <iant@google.com>
2014 * version.cc (version_string): Bump to 1.6.
2016 * testsuite/Makefile.am (many_sections_r_test): New target.
2017 (many_sections_r_test_SOURCES): Remove.
2018 (many_sections_r_test_DEPENDENCIES): Remove.
2019 (many_sections_r_test_LDFLAGS): Remove.
2020 (many_sections_r_test_LDADD): Remove.
2022 * object.cc (Sized_relobj::do_add_symbols): Always pass
2023 local_symbol_count_ to add_from_relobj.
2025 * testsuite/Makefile.am (many_sections_check.h): Only check one in
2026 every thousand variables.
2027 * testsuite/Makefile.in: Rebuild.
2029 * object.cc (Xindex::initialize_symtab_xindex): New function.
2030 (Xindex::read_symtab_xindex): New function.
2031 (Xindex::sym_xindex_to_shndx): New function.
2032 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
2034 (Sized_relobj::do_initialize_xindex): New function.
2035 (Sized_relobj::do_read_symbols): Adjust section links.
2036 (Sized_relobj::symbol_section_and_value): Add is_ordinary
2037 parameter. Change all callers.
2038 (Sized_relobj::include_section_group): Adjust section links and
2039 symbol section indexes.
2040 (Sized_relobj::do_layout): Adjust section links.
2041 (Sized_relobj::do_count_local_symbols): Adjust section links and
2042 symbol section indexes.
2043 (Sized_relobj::do_finalize_local_symbols): Distinguish between
2044 ordinary and special symbols.
2045 (Sized_relobj::write_local_symbols): Add symtab_xindex and
2046 dynsym_xindex parameters. Change all callers. Adjust section
2047 links. Use SHN_XINDEX when needed.
2048 (Sized_relobj::get_symbol_location_info): Adjust section links.
2049 Don't get fooled by special symbols.
2050 * object.h (class Xindex): Define.
2051 (class Object): Add xindex_ parameter. Declare virtual functoin
2052 do_initialize_xindex.
2053 (Object::adjust_sym_shndx): New function.
2054 (Object::set_xindex): New protected function.
2055 (class Symbol_value): Add is_ordinary_shndx_ field.
2056 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
2057 (Symbol_value::value): Assert ordinary section.
2058 (Symbol_value::initialize_input_to_output_map): Likewise.
2059 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
2061 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
2063 (class Sized_relobj): Update declarations.
2064 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
2065 parameter. Change all callers.
2066 (Sized_relobj::adjust_shndx): New function.
2067 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
2069 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
2070 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
2071 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
2072 (Sized_dynobj::read_dynsym_section): Adjust section links.
2073 (Sized_dynobj::read_dynamic): Likewise.
2074 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
2076 (Sized_dynobj::do_initialize_xindex): New function.
2077 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
2078 do_initialize_xindex.
2079 (Sized_dynobj::adjust_shndx): New function.
2080 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
2081 dynsym_xindex_ fields.
2082 (Layout::finalize): Add a call to set_section_indexes before
2083 creating the symtab sections.
2084 (Layout::set_section_indexes): Don't do anything if the section
2085 already has a section index.
2086 (Layout::create_symtab_sections): Add shnum parameter. Change
2087 caller. Create .symtab_shndx section if needed.
2088 (Layout::create_shdrs): Add shstrtab_section parameter. Change
2090 (Layout::allocated_output_section_count): New function.
2091 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
2093 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
2094 fields. Update declarations.
2095 (Layout::symtab_xindex): New function.
2096 (Layout::dynsym_xindex): New function.
2097 (class Write_symbols_task): Add layout_ field.
2098 (Write_symbols_task::Write_symbols_task): Add layout parameter.
2100 * output.cc (Output_section_headers::Output_section_headers): Add
2101 shstrtab_section parameter. Change all callers.
2102 (Output_section_headers::do_sized_write): Store overflow values
2103 for section count and section string table section index in
2104 section header zero.
2105 (Output_file_header::do_sized_write): Check for overflow of
2106 section count and section string table section index.
2107 (Output_symtab_xindex::do_write): New function.
2108 (Output_symtab_xindex::endian_do_write): New function.
2109 * output.h (class Output_section_headers): Add shstrtab_section_.
2110 Update declarations.
2111 (class Output_symtab_xindex): Define.
2112 (Output_section::has_out_shndx): New function.
2113 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
2115 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
2117 (Sized_symbol::init): Likewise.
2118 (Symbol::output_section): Check for ordinary symbol.
2119 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
2120 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
2122 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
2123 Change all callers. Simplify handling of symbols from sections
2124 not included in the link.
2125 (Symbol_table::add_from_dynobj): Handle ordinary symbol
2127 (Weak_alias_sorter::operator()): Assert that symbols are
2129 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
2131 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
2132 parameters. Change all callers.
2133 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
2134 symbol distinction. Use SHN_XINDEX when needed.
2135 (Symbol_table::write_section_symbol): Add symtab_xindex
2136 parameter. Change all callers.
2137 (Symbol_table::sized_write_section_symbol): Likewise. Use
2138 SHN_XINDEX when needed.
2139 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
2141 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
2142 (Symbol::is_defined): Check is_ordinary.
2143 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
2144 (Symbol::is_absolute, Symbol::is_common): Likewise.
2145 (class Sized_symbol): Update declarations.
2146 (class Symbol_table): Update declarations.
2147 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
2148 parameters. Change all callers.
2149 (Sized_symbol::override): Likewise.
2150 (Symbol_table::override): Likewise.
2151 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
2152 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
2153 is_ordinary, and orig_st_shndx parameters. Change all callers.
2154 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
2155 to be in an ordinary section.
2156 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
2157 object and is_ordinary parameters. Change all callers.
2158 (Sized_dwarf_line_info::read_relocs): Add object parameter.
2159 Change all callers. Don't add undefined or non-ordinary symbols
2161 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
2163 * dwarf_reader.h (class Sized_dwarf_line_info): Update
2165 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
2166 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
2167 (Sized_relobj::relocate_sections): Likewise.
2168 * target-reloc.h (scan_relocs): Adjust section symbol index.
2169 (scan_relocatable_relocs): Likewise.
2170 * i386.cc (Scan::local): Check for ordinary symbols.
2171 * sparc.cc (Scan::local): Likewise.
2172 * x86_64.cc (Scan::local): Likewise.
2173 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
2174 to symbol_section_and_value.
2175 * testsuite/many_sections_test.cc: New file.
2176 * testsuite/Makefile.am (BUILT_SOURCES): Define.
2177 (check_PROGRAMS): Add many_sections_test.
2178 (many_sections_test_SOURCES): Define.
2179 (many_sections_test_DEPENDENCIES): Define.
2180 (many_sections_test_LDFLAGS): Define.
2181 (BUILT_SOURCES): Add many_sections_define.h.
2182 (many_sections_define.h): New target.
2183 (BUILT_SOURCES): Add many_sections_check.h.
2184 (many_sections_check.h): New target.
2185 (check_PROGRAMS): Add many_sections_r_test.
2186 (many_sections_r_test_SOURCES): Define.
2187 (many_sections_r_test_DEPENDENCIES): Define.
2188 (many_sections_r_test_LDFLAGS): Define.
2189 (many_sections_r_test_LDADD): Define.
2190 (many_sections_r_test.o): New target.
2191 * testsuite/Makefile.in: Rebuild.
2193 2008-04-17 Cary Coutant <ccoutant@google.com>
2195 * errors.cc (Errors::info): New function.
2196 (gold_info): New function.
2197 * errors.h (Errors::info): New function.
2198 * gold.h (gold_info): New function.
2199 * object.cc (Input_objects::add_object): Print trace output.
2200 * options.cc (options::parse_set): New function.
2201 (General_options::parse_wrap): Deleted.
2202 (General_options::General_options): Deleted initializer.
2203 * options.h (options::String_set): New typedef.
2204 (options::parse_set): New function.
2205 (DEFINE_set): New macro.
2206 (General_options::wrap): Changed to use DEFINE_set. Changed
2207 callers of any_wrap_symbols and is_wrap_symbol.
2208 (General_options::trace, General_options::trace_symbol):
2210 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
2211 (General_options::wrap_symbols_): Deleted.
2212 * symtab.cc (Symbol_table::add_from_object): Print trace output.
2214 2008-04-17 David S. Miller <davem@davemloft.net>
2216 * options.cc (General_options::parse_V): New function.
2217 * options.h: Add entries for -V and -Qy.
2219 2008-04-17 Ian Lance Taylor <iant@google.com>
2221 * common.cc (Symbol_table::allocate_commons): Remove options
2222 parameter. Change caller.
2223 (Symbol_table::do_allocate_commons): Remove options parameter.
2224 Change caller. Just call do_allocate_commons_list twice.
2225 (Symbol_table::do_allocate_commons_list): New function, broken out
2226 of do_allocate_commons.
2227 * common.h (class Allocate_commons_task): Remove options_ field.
2229 * symtab.cc (Symbol_table::Symbol_table): Initialize
2231 (Symbol_table::add_from_object): Put TLS common symbols on
2233 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
2234 which are IN_OUTPUT_DATA.
2235 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
2236 allocate_commons and do_allocate_commons declarations. Declare
2237 do_allocate_commons_list.
2238 * gold.cc (queue_middle_tasks): Update creation of
2239 Allocate_commons_task to not pass options.
2240 * testsuite/Makefile.am (INCLUDES): Add -I.. .
2241 (TLS_TEST_C_FLAGS): New variable.
2242 (tls_test_c_pic.o): New target.
2243 (tls_test_shared.so): Link in tls_test_c_pic.o.
2244 (tls_test_c_pic_ie.o): New target.
2245 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
2246 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
2247 (tls_test_c.o): New target.
2248 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
2249 (tls_pic_test_LDADD): Likewise.
2250 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
2251 (tls_shared_gd_to_ie_test_LDADD): Likewise.
2252 (tls_test_c_gnu2.o): New target.
2253 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
2255 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
2256 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
2257 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
2258 * testsuite/tls_test.cc: Include "config.h".
2259 (t_last): Call t11_last.
2260 * testsuite/tls_test.h (t11, t11_last): Declare.
2261 * testsuite/tls_test_c.c: New file.
2262 * testsuite/tls_test_main.cc (thread_routine): Call t11.
2263 * configure.ac: Check for OpenMP support.
2264 * configure, config.in, Makefile.in: Rebuild.
2265 * testsuite/Makefile.in: Rebuild.
2267 2008-04-16 Cary Coutant <ccoutant@google.com>
2269 * i386.cc (Target_i386::define_tls_base_symbol): New function.
2270 (Target_i386::tls_base_symbol_defined_): New field.
2271 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2272 (Target_i386::Scan::global): Likewise.
2273 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
2274 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
2275 (Target_x86_64::tls_base_symbol_defined_): New field.
2276 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2277 (Target_x86_64::Scan::global): Likewise.
2279 2008-04-16 Cary Coutant <ccoutant@google.com>
2281 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
2282 (Symbol::needs_plt_entry): Allow weak undefined symbols.
2283 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
2284 building shared libraries.
2285 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
2286 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
2287 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
2288 * testsuite/Makefile.in: Rebuild.
2289 * testsuite/weak_undef.h: New file.
2290 * testsuite/weak_undef_file1.cc: Add extra test cases.
2291 * testsuite/weak_undef_file2.cc: Likewise.
2292 * testsuite/weak_undef_test.cc: Likewise.
2294 2008-04-16 David S. Miller <davem@davemloft.net>
2296 * sparc.cc (Target_sparc::Scan): Change from struct to class.
2297 Add issued_non_pic_error_ field. Declare check_non_pic.
2298 (Target_sparc::Scan::check_non_pic): New function.
2299 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
2300 (Target_sparc::Scan::global): Likewise.
2302 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
2303 * configure: Rebuild.
2305 * options.h (DEFINE_enable): New macro.
2306 (new_dtags): New enable option.
2307 (initfirst, interpose, loadfltr, nodefaultlib,
2308 nodelete, nodlopen, nodump): New -z options.
2309 * layout.cc (Layout:finish_dynamic_section): If new
2310 dtags enabled, emit DT_RUNPATH. Also, emit a
2311 DT_FLAGS_1 containing any specified -z flags.
2313 2008-04-16 Ian Lance Taylor <iant@google.com>
2315 * copy-relocs.cc: New file.
2316 * copy-relocs.h: New file.
2317 * reloc.cc: Remove Copy_relocs code.
2318 * reloc.h: Likewise.
2319 * reloc-types.h (struct Reloc_types) [both versions]: Add
2320 get_reloc_addend_noerror.
2321 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
2322 variants of add_global which take an addend which must be zero.
2323 * i386.cc: Include "copy-relocs.h".
2324 (class Target_i386): Change type of copy_relocs_ to variable,
2326 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
2328 (Target_i386::do_finalize_sections): Change handling of
2330 * sparc.cc: Include "copy-relocs.h".
2331 (class Target_sparc): Change type of copy_relocs_ to variable,
2333 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
2335 (Target_sparc::do_finalize_sections): Change handling of
2337 * x86_64.cc: Include "copy-relocs.h".
2338 (class Target_x86_64): Change type of copy_relocs_ to variable,
2340 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
2341 class. Change all callers.
2342 (Target_x86_64::do_finalize_sections): Change handling of
2344 * Makefile.am (CCFILES): Add copy-relocs.cc.
2345 (HFILES): Add copy-relocs.h.
2347 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
2349 * testsuite/script_test_4.sh: Permit leading zeroes.
2351 2008-04-15 Ian Lance Taylor <iant@google.com>
2353 * script-sections.cc (Script_sections::create_segments): Use
2354 header_size_adjustment even when there is enough room for the
2356 * testsuite/script_test_4.sh: New file.
2357 * testsuite/script_test_4.t: New file.
2358 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
2359 (check_DATA): Add script_test_4.stdout.
2360 (MOSTLYCLEANFILES): Likewise.
2361 (script_test_4): New target.
2362 (script_test_4.stdout): New target.
2363 * testsuite/Makefile.in: Rebuild.
2365 * sparc.cc: Add definitions for Output_data_plt_sparc class
2368 2008-04-14 David S. Miller <davem@davemloft.net>
2370 * sparc.cc: New file.
2371 * Makefile.am (TARGETSOURCES): Add sparc.cc
2372 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
2373 * configure.tgt: Document targ_extra_size and
2374 targ_extra_big_endian. Add entries for sparc-* and
2376 * configure.ac: Handle targ_extra_size and
2377 targ_extra_big_endian.
2378 * Makefile.in: Rebuild.
2379 * configure: Likewise.
2380 * po/POTFILES.in: Likewise.
2381 * po/gold.pot: Likewise.
2383 2008-04-14 Ian Lance Taylor <iant@google.com>
2385 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
2386 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
2387 in the name/type/flags to section mapping. Don't call
2388 allocate_output_section.
2389 (Layout::choose_output_section): Change parameter from adjust_name
2390 to is_input_section. Don't permit input sections after sections
2391 are attached to segments. Don't call allocate_output_section.
2392 (Layout::layout_eh_frame): Call update_flags_for_input_section,
2393 not write_enable_output_section.
2394 (Layout::make_output_section): Don't push to
2395 unattached_section_list_ nor call attach_to_segment. Call
2396 attach_section_to_segment if sections are attached.
2397 (Layout::attach_sections_to_segments): New function.
2398 (Layout::attach_section_to_segment): New function.
2399 (Layout::attach_allocated_section_to_segment): Rename from
2400 attach_to_segment. Remove flags parameter.
2401 (Layout::allocate_output_section): Remove function.
2402 (Layout::write_enable_output_section): Remove function.
2403 * layout.h (class Layout): Update for above changes. Add new
2404 field sections_are_attached_.
2405 * output.h (Output_section::update_flags_for_input_section): New
2407 * output.cc (Output_section::add_input_section): Call
2408 update_flags_for_input_section.
2409 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2411 2008-04-11 Cary Coutant <ccoutant@google.com>
2413 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
2414 thought unnecessary.
2415 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2417 2008-04-11 Ian Lance Taylor <iant@google.com>
2419 * output.h (class Output_section_data): Remove inline definition
2421 * output.cc (Output_section_data::set_addralign): New function.
2423 2008-04-11 Cary Coutant <ccoutant@google.com>
2425 Add support for TLS descriptors for i386 and x86_64.
2426 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
2427 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
2428 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
2430 (Target_i386::got_mod_index_entry): Remove unnecessary code.
2431 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
2432 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
2434 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
2435 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
2436 Fix problem with initial-exec relocations.
2437 (Target_i386::Relocate::relocate_tls): Likewise.
2438 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
2440 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
2441 support for section-plus-offset dynamic table entries.
2442 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
2443 (Output_data_dynamic::Dynamic_entry): Add support for
2444 section-plus-offset dynamic table entries.
2445 (Output_data_dynamic::Classification): Likewise.
2446 (Output_data_dynamic::classification_): Renamed offset_.
2447 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
2448 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
2449 (Target_x86_64::make_plt_section): New function.
2450 (Target_x86_64::reserve_tlsdesc_entries): New function.
2451 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
2452 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
2453 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
2454 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
2455 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
2456 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
2457 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
2458 add extra PLT entry for TLS descriptors.
2459 (Output_data_plt_x86_64::got_): New field.
2460 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
2461 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
2463 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
2465 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
2466 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
2467 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
2468 R_386_TLS_DESC_CALL relocations.
2469 (Target_x86_64::Scan::global): Likewise.
2470 (Target_x86_64::do_finalize_sections): Add dynamic table entries
2471 for TLS descriptors.
2472 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
2473 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
2474 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
2475 GD-to-IE relaxation.
2476 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
2477 and TLS_DESCRIPTORS.
2478 * Makefile.in: Rebuild.
2479 * configure: Rebuild.
2480 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
2481 (tls_test_shared2.so): New target.
2482 (tls_shared_gd_to_ie_test_SOURCES): New variable.
2483 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
2484 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
2485 (tls_shared_gd_to_ie_test_LDADD): New variable.
2486 (tls_shared_gnu2_gd_to_ie_test): New target.
2487 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
2489 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
2490 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
2491 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
2492 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
2493 (tls_shared_gnu2_test): New target.
2494 (tls_test_gnu2_shared.so): New target.
2495 (tls_shared_gnu2_test_SOURCES): New variable.
2496 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
2497 (tls_shared_gnu2_test_LDFLAGS): New variable.
2498 (tls_shared_gnu2_test_LDADD): New variable.
2499 * testsuite/Makefile.in: Rebuild.
2500 * testsuite/Makefile.
2502 2008-04-11 Ian Lance Taylor <iant@google.com>
2504 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
2506 * testsuite/Makefile.in: Rebuild.
2508 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
2510 * testsuite/script_test_2.cc (main): Adjust test.
2512 2008-04-11 David S. Miller <davem@davemloft.net>
2513 Ian Lance Taylor <iant@google.com>
2515 * options.h (General_options): Add entries for '-Y' and
2517 * options.cc (General_options:finalize): If -Y was used, add those
2518 entries to the library path instead of the default "/lib" and
2521 2008-04-11 David S. Miller <davem@davemloft.net>
2523 * testsuite/justsyms.t: Start at 0x100.
2524 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
2525 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
2527 * testsuite/script_test_2.cc: Adjust string and section length
2530 2008-04-09 Ian Lance Taylor <iant@google.com>
2533 * script-sections.cc (Sections_element::allocate_to_segment): Add
2535 (Output_section_definition::allocate_to_segment): Likewise.
2536 (Orphan_output_section::allocate_to_segment): Likewise.
2537 (Script_sections::attach_sections_using_phdrs_clause): Don't
2538 propagate non-PT_LOAD segments to orphan sections.
2539 * testsuite/Makefile.am (script_test_3.stdout): Generate using
2540 readelf rather than objdump.
2541 * testsuite/script_test_3.sh: Adjust accordingly. Test that
2542 .interp section and PT_INTERP segment are the same size.
2543 * testsuite/Makefile.in: Rebuild.
2545 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
2546 aliases for symbols defined in the same object.
2547 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
2548 (weak_alias_test_SOURCES): New variable.
2549 (weak_alias_test_DEPENDENCIES): New variable.
2550 (weak_alias_test_LDFLAGS): New variable.
2551 (weak_alias_test_LDADD): New variable.
2552 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
2553 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
2554 (weak_alias_test_3.o): New target.
2555 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
2556 * testsuite/weak_alias_test_main.cc: New file.
2557 * testsuite/weak_alias_test_1.cc: New file.
2558 * testsuite/weak_alias_test_2.cc: New file.
2559 * testsuite/weak_alias_test_3.cc: New file.
2561 2008-04-08 Ian Lance Taylor <iant@google.com>
2563 * options.h (class General_options): Add --noinhibit-exec option.
2564 * main.cc (main): Check --noinhibit-exec.
2566 * options.h (class General_options): Define --wrap as a special
2567 option. Add wrap_symbols_ field.
2568 (General_options::any_wrap_symbols): New function.
2569 (General_options::is_wrap_symbol): New function.
2570 * options.cc (General_options::parse_wrap): New function.
2571 (General_options::General_options): Initialize wrap_symbols_.
2572 * symtab.cc (Symbol_table::wrap_symbol): New function.
2573 (Symbol_table::add_from_object): Handle --wrap.
2574 * symtab.h (class Symbol_table): Declare wrap_symbol.
2575 * target.h (Target::wrap_char): New function.
2576 (Target::Target_info): Add wrap_char field.
2577 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
2578 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2579 * testsuite/testfile.cc (Target_test::test_target_info):
2582 * errors.cc (Errors::undefined_symbol): Mention symbol version if
2585 * layout.h (class Layout): Add added_eh_frame_data_ field.
2586 * layout.cc (Layout::Layout): Initialize new field.
2587 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
2588 output section until we find a section we merged successfully.
2589 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
2590 that the size be non-zero.
2592 * merge.cc (Object_merge_map::get_output_offset): Remove inline
2595 2008-04-08 Craig Silverstein <csilvers@google.com>
2597 * configure.ac: Export new conditional variable HAVE_ZLIB.
2598 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
2600 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
2601 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2603 2008-04-07 Ian Lance Taylor <iant@google.com>
2605 * version.cc (version_string): Set to "1.5".
2607 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
2608 Add issued_non_pic_error_ field. Declare check_non_pic.
2609 (Target_x86_64::Scan::check_non_pic): New function.
2610 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
2611 (Target_x86_64::Scan::global): Likewise.
2613 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
2614 addend parameter. Change caller. Handle merge sections.
2615 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
2616 Address to Addend. Don't add in the result of
2617 local_section_offset, pass down the addend and use the returned
2619 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
2620 Update declarations of local_section_offset and symbol_value.
2621 * testsuite/two_file_test_1.cc (t18): New function.
2622 * testsuite/two_file_test_2.cc (f18): New function.
2623 * testsuite/two_file_test_main.cc (main): Call t18.
2624 * testsuite/two_file_test.h (t18, f18): Declare.
2626 * configure.ac: Don't test for objdump, c++filt, or readelf.
2627 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
2629 (TEST_READELF): New variable.
2630 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
2631 (check_PROGRAMS): Add two_file_strip_test.
2632 (two_file_strip_test): New target.
2633 (check_PROGRAMS): Add two_file_same_shared_strip_test.
2634 (two_file_same_shared_strip_test_SOURCES): New variable.
2635 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
2636 (two_file_same_shared_strip_test_LDFLAGS): New variable.
2637 (two_file_same_shared_strip_test_LDADD): New variable.
2638 (two_file_shared_strip.so): New target.
2639 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
2640 (ver_test_5.syms, ver_test_7.syms): Likewise.
2641 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
2642 (strip_test_3.stdout): Use TEST_OBJDUMP.
2643 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2645 2008-04-04 Cary Coutant <ccoutant@google.com>
2647 * symtab.h (Symbol::is_weak_undefined): New function.
2648 (Symbol::is_strong_undefined): New function.
2649 (Symbol::is_absolute): New function.
2650 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
2651 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
2653 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
2654 (weak_undef_test): New target.
2655 * testsuite/Makefile.in: Rebuild.
2656 * testsuite/weak_undef_file1.cc: New file.
2657 * testsuite/weak_undef_file2.cc: New file.
2658 * testsuite/weak_undef_test.cc: New file.
2660 2008-04-03 Craig Silverstein <csilvers@google.com>
2662 * compressed_output.h (class Output_compressed_section): Use
2664 * compressed_output.cc (zlib_compress): Use unsigned buffers,
2666 (zlib_compressed_suffix): Removed.
2667 (Output_compressed_section::set_final_data_size): Use unsigned
2669 * testsuite/Makefile.am (flagstest_compress_debug_sections):
2670 Fix linker invocation.
2671 (flagstest_o_specialfile_and_compress_debug_sections):
2673 * testsuite/Makefile.in: Regenerated.
2675 2008-04-02 David S. Miller <davem@davemloft.net>
2677 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
2678 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
2680 2008-04-02 Craig Silverstein <csilvers@google.com>
2684 2008-04-02 Ian Lance Taylor <iant@google.com>
2686 * fileread.cc (File_read::find_view): Add byteshift and vshifted
2687 parameters. Update for new key type to views_. Change all
2689 (File_read::read): Adjust for byteshift in returned view.
2690 (File_read::add_view): New function, broken out of
2692 (File_read::make_view): New function, broken out of
2694 (File_read::find_or_make_view): Add offset and aligned
2695 parameters. Rewrite accordingly. Change all callers.
2696 (File_read::get_view): Add offset and aligned parameters. Adjust
2697 for byteshift in return value.
2698 (File_read::get_lasting_view): Likewise.
2699 * fileread.h (class File_read): Update declarations.
2700 (class File_read::View): Add byteshift_ field. Add byteshift to
2701 constructor. Add byteshift method.
2702 * archive.h (Archive::clear_uncached_views): New function.
2703 (Archive::get_view): Add aligned parameter. Change all callers.
2704 * object.h (Object::get_view): Add aligned parameter. Change all
2706 (Object::get_lasting_view): Likewise.
2708 * fileread.cc (File_read::release): Don't call clear_views if
2709 there are multiple objects.
2710 * fileread.h (File_read::clear_uncached_views): New function.
2711 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
2714 2008-03-31 Cary Coutant <ccoutant@google.com>
2716 Add thin archive support.
2717 * archive.cc (Archive::armagt): New const.
2718 (Archive::setup): Remove task parameter and calls to unlock.
2719 (Archive::unlock_nested_archives): New function.
2720 (Archive::read_header): Add nested_off parameter. Change
2722 (Archive::interpret_header): Likewise.
2723 (Archive::include_all_members): Change to handle thin
2725 (Archive::include_member): Likewise.
2726 * archive.h (Archive::Archive): Add new parameters and
2728 (Archive::armagt): New const.
2729 (Archive::setup): Remove task parameter.
2730 (Archive::unlock_nested_archives): New function.
2731 (Archive::read_header): Add nested_off parameter.
2732 (Archive::interpret_header): Likewise.
2733 (Archive::Nested_archive_table): New typedef.
2734 (Archive::is_thin_archive_): New field.
2735 (Archive::nested_archives_): New field.
2736 (Archive::options_): New field.
2737 (Archive::dirpath_): New field.
2738 (Archive::task_): New field.
2739 * readsyms.cc (Read_symbols::do_read_symbols): Add check
2740 for thin archives. Pass additional parameters to
2741 Archive::Archive. Unlock the archive file after calling
2744 2008-03-29 Ian Lance Taylor <iant@google.com>
2746 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
2747 version symbol to be local.
2748 * testsuite/ver_test_4.sh: New file.
2749 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
2750 (check_DATA): Add ver_test_4.syms.
2751 (ver_test_4.syms): New target.
2752 * testsuite/Makefile.in: Rebuild.
2755 (Output_section::Input_section_sort_entry::has_priority): New
2757 (Output_section::Input_section_sort_entry::match_file_name): New
2759 (Output_section::Input_section_sort_entry::match_section_name):
2761 (Output_section::Input_section_sort_entry::match_section_name_prefix):
2763 (Output_section::Input_section_sort_entry::match_section_file):
2765 (Output_section::Input_section_sort_compare::operator()): Rewrite
2766 using new Input_section_sort_entry functions. Sort crtbegin and
2767 crtend first. Sort sections with no priority before sections with
2769 * testsuite/initpri1.c (d3): Check j != 4.
2770 (cd5): New constructor/destructor function.
2771 (main): Check j != 2.
2773 * symtab.cc (Symbol_table::add_from_object): If we don't use the
2774 new symbol when resolving, don't call set_is_default.
2775 * testsuite/ver_test_7.cc: New file.
2776 * testsuite/ver_test_7.sh: New file.
2777 * testsuite/Makefile.am (ver_test_7.so): New target.
2778 (ver_test_7.o): New target.
2779 (check_SCRIPTS): Add ver_test_7.sh.
2780 (check_DATA): Add ver_test_7.syms.
2781 (ver_test_7.syms): New target.
2783 2008-03-28 Ian Lance Taylor <iant@google.com>
2785 * layout.cc (Layout::layout): If we see an input section with a
2786 name that needs sorting, set the must_sort flag for the output
2788 (Layout::make_output_section): If the name of the output section
2789 indicates that it might require sorting, set the may_sort flag.
2790 * output.h (Output_section::may_sort_attached_input_sections): New
2792 (Output_section::set_may_sort_attached_input_sections): New
2794 (Output_section::must_sort_attached_input_sections): New
2796 (Output_section::set_must_sort_attached_input_sections): New
2798 (class Output_section): Declare Input_section_sort_entry. Define
2799 Input_section_sort_compare. Declare
2800 sort_attached_input_sections. Add new fields:
2801 may_sort_attached_input_sections_,
2802 must_sort_attached_input_sections_,
2803 attached_input_sections_are_sorted_.
2804 * output.cc (Output_section::Output_section): Initialize new
2806 (Output_section::add_input_section): Add an entry to
2807 input_sections_ if may_sort or must_sort are true.
2808 (Output_section::set_final_data_size): Call
2809 sort_attached_input_sections if necessary.
2810 (Output_section::Input_section_sort_entry): Define new class.
2811 (Output_section::Input_section_sort_compare::operator()): New
2813 (Output_section::sort_attached_input_sections): New function.
2814 * configure.ac: Check whether the compiler supports constructor
2815 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
2816 * testsuite/initpri1.c: New file.
2817 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
2818 CONSTRUCTOR_PRIORITY.
2819 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
2820 (initpri1_LDFLAGS): New variable.
2821 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2823 2008-03-27 Ian Lance Taylor <iant@google.com>
2825 * common.cc (Sort_commons::operator): Correct sorting algorithm.
2826 * testsuite/common_test_1.c: New file.
2827 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
2828 (common_test_1_SOURCES): New variable.
2829 (common_test_1_DEPENDENCIES): New variable.
2830 (common_test_1_LDFLAGS): New variable.
2832 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
2833 and commons_ correctly when NAME/VERSION does not override
2835 * testsuite/ver_test_6.c: New file.
2836 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
2837 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
2838 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2840 2008-03-26 Ian Lance Taylor <iant@google.com>
2842 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
2843 of an undefined symbol from a version script.
2844 * testsuite/Makefile.am (ver_test_5.so): New target.
2845 (ver_test_5.o): New target.
2846 (check_SCRIPTS): Add ver_test_5.sh.
2847 (check_DATA): Add ver_test_5.syms.
2848 (ver_test_5.syms): New target.
2849 * testsuite/ver_test_5.cc: New file.
2850 * testsuite/ver_test_5.script: New file.
2851 * testsuite/ver_test_5.sh: New file.
2852 * Makefile.in, testsuite/Makefile.in: Rebuild.
2855 Fix problems building gold with gcc 4.3.0.
2856 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
2857 (gold_error_at_location, gold_warning_at_location): Use it.
2858 * configure.ac: Check whether we can compile and use a template
2859 function with a printf attribute.
2860 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
2861 when jumping over bytes.
2862 * object.cc: Instantiate Object::read_section_data.
2863 * debug.h: Include <cstring>
2864 * dwarf_reader.cc: Include <algorithm>
2865 * main.cc: Include <cstring>.
2866 * options.cc: Include <cstring>.
2867 * output.cc: Include <cstring>.
2868 * script.cc: Include <cstring>.
2869 * script.h: Include <string>.
2870 * symtab.cc: Include <cstring> and <algorithm>.
2871 * target-select.cc: Include <cstring>.
2872 * version.cc: Include <string>.
2873 * testsuite/testmain.cc: Include <cstdlib>.
2874 * configure, config.in: Rebuild.
2876 2008-03-25 Ian Lance Taylor <iant@google.com>
2878 * options.cc: Include "../bfd/bfdver.h".
2879 (options::help): Print bug reporting address.
2881 * version.cc (print_version): Adjust output for current value of
2886 * options.cc (options::help): Print list of supported targets.
2887 * target-select.h: Include <vector>.
2888 (class Target_selector): Make machine_, size_, and is_big_endian_
2889 fields const. Add bfd_name_ and instantiated_target_ fields.
2890 (Target_selector::Target_selector): Add bfd_name parameter.
2891 (Target_selector::recognize): Make non-virtual, call
2893 (Target_selector::recognize_by_name): Make non-virtual, call
2894 do_recognize_by_name.
2895 (Target_selector::supported_names): New function.
2896 (Target_selector::bfd_name): New function.
2897 (Target_selector::do_instantiate_target): New pure virtual
2899 (Target_selector::do_recognize): New virtual function.
2900 (Target_selector::do_recognize_by_name): New virtual function.
2901 (Target_selector::instantiate_target): New private function.
2902 (supported_target_names): Declare.
2903 * target-select.cc (Target_selector::Target_selector): Update for
2904 new parameter and fields.
2905 (select_target_by_name): Check that the name matches before
2906 calling recognize_by_name.
2907 (supported_target_names): New function.
2908 * i386.cc (class Target_selector_i386): Update Target_selector
2909 constructor call. Remove recognize and recognize_by_name. Add
2910 do_instantiate_target.
2911 * x86_64.cc (class Target_selector_x86_64): Likewise.
2912 * testsuite/testfile.cc (class Target_selector_test): Update for
2913 changes to Target_selector.
2915 * README: Rewrite, with some notes on unsupported features.
2917 2008-03-24 Cary Coutant <ccoutant@google.com>
2919 * i386.cc (Target_i386::Got_type): New enum declaration.
2920 (Target_i386::Scan::local): Updated callers of Output_data_got
2922 (Target_i386::Scan::global): Likewise.
2923 (Target_i386::Relocate::relocate): Likewise.
2924 (Target_i386::Relocate::relocate_tls): Likewise.
2925 * object.h (Got_offset_list): New class.
2926 (Sized_relobj::local_has_got_offset): Added got_type parameter.
2927 (Sized_relobj::local_got_offset): Likewise.
2928 (Sized_relobj::set_local_got_offset): Likewise.
2929 (Sized_relobj::local_has_tls_got_offset): Removed.
2930 (Sized_relobj::local_tls_got_offset): Removed.
2931 (Sized_relobj::set_local_tls_got_offset): Removed.
2932 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
2933 * output.cc (Output_data_got::add_global): Added got_type parameter.
2934 (Output_data_got::add_global_with_rel): Likewise.
2935 (Output_data_got::add_global_with_rela): Likewise.
2936 (Output_data_got::add_global_pair_with_rel): New function.
2937 (Output_data_got::add_global_pair_with_rela): New function.
2938 (Output_data_got::add_local): Added got_type parameter.
2939 (Output_data_got::add_local_with_rel): Likewise.
2940 (Output_data_got::add_local_with_rela): Likewise.
2941 (Output_data_got::add_local_pair_with_rel): New function.
2942 (Output_data_got::add_local_pair_with_rela): New function.
2943 (Output_data_got::add_global_tls): Removed.
2944 (Output_data_got::add_global_tls_with_rel): Removed.
2945 (Output_data_got::add_global_tls_with_rela): Removed.
2946 (Output_data_got::add_local_tls): Removed.
2947 (Output_data_got::add_local_tls_with_rel): Removed.
2948 (Output_data_got::add_local_tls_with_rela): Removed.
2949 * output.h (Output_data_got::add_global): Added got_type parameter.
2950 (Output_data_got::add_global_with_rel): Likewise.
2951 (Output_data_got::add_global_with_rela): Likewise.
2952 (Output_data_got::add_global_pair_with_rel): New function.
2953 (Output_data_got::add_global_pair_with_rela): New function.
2954 (Output_data_got::add_local): Added got_type parameter.
2955 (Output_data_got::add_local_with_rel): Likewise.
2956 (Output_data_got::add_local_with_rela): Likewise.
2957 (Output_data_got::add_local_pair_with_rel): New function.
2958 (Output_data_got::add_local_pair_with_rela): New function.
2959 (Output_data_got::add_global_tls): Removed.
2960 (Output_data_got::add_global_tls_with_rel): Removed.
2961 (Output_data_got::add_global_tls_with_rela): Removed.
2962 (Output_data_got::add_local_tls): Removed.
2963 (Output_data_got::add_local_tls_with_rel): Removed.
2964 (Output_data_got::add_local_tls_with_rela): Removed.
2965 * resolve.cc (Symbol::override_base_with_special): Removed
2966 reference to has_got_offset_ field.
2967 * symtab.cc (Symbol::init_fields): Replaced initialization
2968 of got_offset_ with got_offsets_. Removed initialization
2970 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
2971 (Symbol::got_offset): Likewise.
2972 (Symbol::set_got_offset): Likewise.
2973 (Symbol::has_tls_got_offset): Removed.
2974 (Symbol::tls_got_offset): Removed.
2975 (Symbol::set_tls_got_offset): Removed.
2976 (Symbol::got_offset_): Removed.
2977 (Symbol::tls_mod_got_offset_): Removed.
2978 (Symbol::tls_pair_got_offset_): Removed.
2979 (Symbol::got_offsets_): New field.
2980 (Symbol::has_got_offset): Removed.
2981 (Symbol::has_tls_mod_got_offset): Removed.
2982 (Symbol::has_tls_pair_got_offset): Removed.
2983 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
2984 (Target_x86_64::Scan::local): Updated callers of Output_data_got
2986 (Target_x86_64::Scan::global): Likewise.
2987 (Target_x86_64::Relocate::relocate): Likewise.
2988 (Target_x86_64::Relocate::relocate_tls): Likewise.
2990 2008-03-25 Ben Elliston <bje@au.ibm.com>
2992 * yyscript.y: Fix spelling error in comment.
2994 2008-03-24 Ian Lance Taylor <iant@google.com>
2996 * options.h (class General_options): Define build_id option.
2997 * layout.h (class Layout): Declare write_build_id, create_note,
2998 create_build_id. Add build_id_note_ member.
2999 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
3000 "libiberty.h", "md5.h", "sha1.h".
3001 (Layout::Layout): Initialize eh_frame_data_,
3002 eh_frame_hdr_section_, and build_id_note_.
3003 (Layout::finalize): Call create_build_id.
3004 (Layout::create_note): New function, broken out of
3005 Layout::create_gold_note.
3006 (Layout::create_gold_note): Call create_note.
3007 (Layout::create_build_id): New function.
3008 (Layout::write_build_id): New function.
3009 (Close_task_runner::run): Call write_build_id.
3011 * x86_64.cc: Correct license to GPLv3.
3013 2008-03-23 Ian Lance Taylor <iant@google.com>
3015 * options.cc: Include "demangle.h".
3016 (parse_optional_string): New function.
3017 (parse_long_option): Handle takes_optional_argument.
3018 (parse_short_option): Update dash_z initializer. Handle
3019 takes_optional_argument.
3020 (General_options::General_options): Initialize do_demangle_.
3021 (General_options::finalize): Set do_demangle_. Handle demangling
3023 * options.h (parse_optional_string): Declare.
3024 (struct One_option): Add optional_arg field. Update constructor.
3025 Update call constructor calls. Add takes_optional_argument
3027 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
3028 (DEFINE_optional_string): Define.
3029 (General_options::demangle): Change from DEFINE_bool to
3030 DEFINE_optional_string.
3031 (General_options::no_demangle): New function.
3032 (General_options::do_demangle): New function.
3033 (General_options::set_do_demangle): New function.
3034 (General_options::execstack_status_): Move definition to end of
3036 (General_options::static_): Likewise.
3037 (General_options::do_demangle_): New field.
3038 * object.cc (big_endian>::get_symbol_location_info): Call
3039 Options::do_demangle, not Options::demangle.
3040 * symtab.cc (demangle): Likewise.
3042 2008-03-22 Ian Lance Taylor <iant@google.com>
3044 * gold.h: Include <cstddef> and <sys/types.h>
3045 * options.h: Include <cstring>.
3047 2008-03-21 Ian Lance Taylor <iant@google.com>
3049 * Added source code to GNU binutils.