1 2009-03-19 Ian Lance Taylor <iant@google.com>
3 * descriptors.cc (Descriptors::open): Check that the options are
4 valid before using them.
6 2009-03-18 Ian Lance Taylor <iant@google.com>
8 * script-sections.h: Include <list>.
9 (class Script_sections): Change Sections_elements from std::vector
10 to std::list. Typedef public Elements_iterator. Add
11 orphan_section_placement_, data_segment_align_start_, and
12 saw_data_segment_align_ fields. Remove data_segment_align_index_
14 * script-sections.cc (class Orphan_section_placement): New class.
15 (class Sections_element): Add virtual functions is_relro and
16 orphan_section_init. Remove virtual function place_orphan_here.
17 (class Output_section_definition): Add is_relro and
18 orphan_section_init. Remove place_orphan_here.
19 (class Orphan_output_section): Likewise.
20 (Script_sections::Script_sections): Update for field changes.
21 (Script_sections::data_segment_align): Set saw_data_segment_align_
22 and data_segment_align_start_, not data_segment_align_index.
23 (Script_sections::data_segment_relro_end): Check
24 saw_data_segment_align_. Use data_segment_align_start_ rather
25 than data_segment_align_index_.
26 (Script_sections::place_orphan): Rewrite to use
27 Orphan_section_placement.
29 2009-03-17 Ian Lance Taylor <iant@google.com>
31 * archive.cc (Archive::add_symbols): Check for a version attached
32 to the symbol name in the archive map.
33 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
34 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
35 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
36 (ver_test_11.a): New target.
37 * testsuite/Makefile.in: Rebuild.
39 * configure.ac: Check for chsize and posix_fallocate. Replace
41 * ftruncate.c: New file, from gnulib.
42 * output.cc (posix_fallocate): Define dummy version if not
44 (Output_file::map): Call posix_fallocate rather than lseek and
46 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
47 * configure, Makefile.in, config.in: Rebuild.
49 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
51 * layout.h (Layout::create_note): Add section_name parameter.
52 * layout.cc (Layout::create_note): Likewise.
53 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
55 2009-03-17 Ian Lance Taylor <iant@google.com>
57 * descriptors.cc: Include "options.h".
58 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
59 (Descriptors::open): Always use O_CLOEXEC when opening a new
60 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
63 * sparc.cc (class Target_sparc): Add has_got_section.
64 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
65 make sure we have a GOT section.
67 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
68 (Target_sparc::Scan::local): Likewise.
69 (Target_sparc::Scan::global): Likewise.
70 (Target_sparc::Relocate::relocate): Likewise.
71 (Target_sparc::Relocate::relocate_tls): Likewise.
73 * symtab.cc (Symbol_table::define_default_version): New function,
74 broken out of add_from_object.
75 (Symbol_table::add_from_object): Call define_default_version.
76 (Symbol_table::define_special_symbol): Add resolve_oldsym
77 parameter. Change all callers. If the version for a symbol comes
78 from a version script, resolve it with the symbol with the same
79 name with no version. Also add the symbol without a version if
81 (do_define_in_output_data): If resolving with oldsym, don't delete
83 (do_define_in_output_segment): Likewise.
84 (do_define_as_constant): Likewise.
85 * symtab.h (class Symbol_table): Update declarations.
87 2009-03-13 Ian Lance Taylor <iant@google.com>
89 * readsyms.cc (Read_symbols::incompatible_warning): New function.
90 (Read_symbols::requeue): New function.
91 (Read_symbols::do_read_symbols): If make_elf_object fails because
92 the target type is not configured, and the file was searched for,
93 issue a warning and retry with the next directory.
94 (Add_symbols::run): If the file has an incompatible format, and
95 it was searched for, requeue the Read_symbols task. On error,
97 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
98 dirindex parameter to constructor. Change all callers. Declare
99 incompatible_warning and requeue.
100 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
101 input_argument_ and input_group_ fields. Add them to
102 constructor. Change all callers.
103 (class Read_script): Add dirindex_ field. Add it to constructor.
105 * archive.cc (Archive::setup): Remove input_objects parameter.
107 (Archive::get_file_and_offset): Likewise.
108 (Archive::read_all_symbols): Likewise.
109 (Archive::read_symbols): Likewise.
110 (Archive::get_elf_object_for_member): Remove input_objects
111 parameter. Add punconfigured parameter. Change all callers.
112 (Archive::add_symbols): Change return type to bool. Check return
113 value of include_member.
114 (Archive::include_all_members): Likewise.
115 (Archive::include_member): Change return type to bool. Return
116 false if first included object has incompatible target. Set
117 included_member_ field.
118 (Add_archive_symbols::run): If add_symbols returns false, requeue
120 * archive.h (class Archive): Add included_member_ field.
121 Initialize it in constructor. Add input_file and searched_for
122 methods. Update declarations.
123 (class Add_archive_symbols): Add dirpath_, dirindex_, and
124 input_argument_ fields. Add them to constructor. Change all
126 * script.cc: Include "target-select.h".
127 (class Parser_closure): Add skip_on_incompatible_target_ and
128 found_incompatible_target_ fields. Add
129 skip_on_incompatible_target parameter to constructor. Change all
130 callers. Add methods skip_on_incompatible_target,
131 clear_skip_on_incompatible_target, found_incompatible_target, and
132 set_found_incompatible_target.
133 (read_input_script): Add dirindex parameter. Change all callers.
134 If parser finds an incompatible target, requeue Read_symbols
136 (script_set_symbol): Clear skip_on_incompatible_target in
138 (script_add_assertion, script_parse_option): Likewise.
139 (script_start_sections, script_add_phdr): Likewise.
140 (script_check_output_format): New function.
141 * script.h (read_input_script): Update declaration.
142 * script-c.h (script_check_output_format): Declare.
143 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
144 (ignore_cmd): Remove OUTPUT_FORMAT.
145 * fileread.cc (Input_file::Input_file): Add explicit this.
146 (Input_file::will_search_for): New function.
147 (Input_file::open): Add pindex parameter. Change all callers.
148 * fileread.h (class Input_file): Add input_file_argument method.
149 Declare will_search_for. Update declarations.
150 * object.cc (make_elf_object): Add punconfigured parameter.
152 * object.h (class Object): Make input_file public. Add
154 (make_elf_object): Update declaration.
155 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
157 * dirsearch.h (class Dirsearch): Update declaration.
158 * options.h (class General_options): Add --warn-search-mismatch.
159 * parameters.cc (Parameters::is_compatible_target): New function.
160 * parameters.h (class Parameters): Declare is_compatible_target.
161 * workqueue.cc (Workqueue::add_blocker): New function.
162 * workqueue.h (class Workqueue): Declare add_blocker.
164 * fileread.cc (Input_file::open): Remove options parameter.
166 (Input_file::open_binary): Likewise.
167 * script.cc (read_input_script): Likewise.
168 * readsyms.h (class Read_symbols): Remove options_ field. Remove
169 options parameter from constructor. Change all callers.
170 (class Read_script): Likewise.
171 * fileread.h (class Input_file): Update declarations.
172 * script.h (read_input_script): Update declaration.
174 2009-03-10 Nick Clifton <nickc@redhat.com>
176 * po/es.po: New Spanish translation.
178 2009-03-06 Cary Coutant <ccoutant@google.com>
180 * options.cc (parse_short_option): Keep dash_z from registering itself.
182 2009-03-03 Ian Lance Taylor <iant@google.com>
185 * target-reloc.h (relocate_section): Pass output_section to
187 * i386.cc (Target_i386::should_apply_static_reloc): Add
188 output_section parameter. Change all callers.
189 (Target_i386::Relocate::relocate): Add output_section parameter.
190 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
191 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
192 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
193 * testsuite/two_file_shared.sh: New script.
194 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
195 (check_DATA): Add two_file_shared.dbg.
196 (two_file_shared.dbg): New target.
197 * testsuite/Makefile.in: Rebuild.
199 2009-03-01 Ian Lance Taylor <iant@google.com>
201 * configure.ac: Check for byteswap.h.
202 * configure: Rebuild.
203 * config.in: Rebuild.
205 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
207 * layout.cc (Layout::find_or_add_kept_section): New function.
208 (Layout::add_comdat): Removed.
209 * layout.h (struct Kept_section): Move out of class Layout.
210 Remove trailing underscores from field names. Add group_sections
211 field. Rename group_ field to is_group. Change all uses.
212 (class Layout): Declare find_or_add_kept_section, not add_comdat.
213 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
214 comdat_groups_ field.
215 (Sized_relobj::include_section_group): Use
216 find_or_add_kept_section and Kept_section::group_sections.
217 (Sized_relobj::include_linkonce_section): Likewise.
218 * object.cc (class Sized_relobj): Don't define Comdat_group or
219 Comdat_group_table. Remove find_comdat_group and
220 add_comdat_group. Remove comdat_groups_ field.
221 * plugin.cc (include_comdat_group): Use
222 Layout::find_or_add_kept_section.
224 2009-02-28 Ian Lance Taylor <iant@google.com>
226 * README: --gc-sections and map files are now supported. Document
227 some build requirements.
230 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
231 relocatable link set the value of the section symbol to zero.
232 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
233 relocatable link don't include the section address in the local
236 2009-02-27 Ian Lance Taylor <iant@google.com>
239 * options.h (class Search_directory): Add is_system_directory.
240 (class General_options): Declare is_in_system_directory.
241 * options.cc (get_relative_sysroot): Make static.
242 (get_default_sysroot): Make static.
243 (General_optoins::is_in_system_directory): New function.
244 * fileread.cc (Input_file::is_in_system_directory): New function.
245 * fileread.h (class Input_file): Declare is_in_system_directory.
246 * object.h (class Object): Add is_in_system_directory.
247 (class Input_objects): Remove system_library_directory_ field.
248 * object.cc (Input_objects::add_object): Don't set
249 system_library_directory_.
250 (input_objects::found_in_system_library_directory): Remove.
251 * symtab.cc (Symbol_table::write_globals): Remove input_objects
252 parameter. Change all callers.
253 (Symbol_table::sized_write_globals): Likewise.
254 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
255 Call Object::is_in_system_directory.
256 * symtab.h (class Symbol_table): Update declarations.
259 * descriptors.h (Open_descriptor): Add is_on_stack field.
260 * descriptors.cc (Descriptors::open): If the descriptor is on the
261 top of the stack, remove it. Initialize is_on_stack field.
262 (Descriptors::release): Only add pod to stack if it is not on the
264 (Descriptors::close_some_descriptor): Clear stack_next and
268 * output.cc (Output_section::find_starting_output_address): Rename
269 from starting_output_address; add PADDR parameter; change return
271 * output.h (class Output_section): Declare
272 find_starting_output_address instead of starting_output_address.
273 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
274 section symbol for which we can't find a merge section.
277 * symtab.cc (Symbol_table::add_from_object): If the visibility is
278 hidden or internal, force the symbol to be local.
279 * resolve.cc (Symbol::override_visibility): Define.
280 (Symbol::override_base): Use override_visibility.
281 (Symbol_table::resolve): Likewise.
282 (Symbol::override_base_with_special): Likewise.
283 (Symbol_table::override_with_special): If the visibility is hidden
284 or internal, force the symbol to be local.
285 * symtab.h (class Symbol): Add set_visibility and
287 * testsuite/ver_test_1.sh: New file.
288 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
289 (check_DATA): Add ver_test_1.syms.
290 (ver_test_1.syms): New target.
291 * testsuite/Makefile.in: Rebuild.
293 2009-02-25 Cary Coutant <ccoutant@google.com>
295 * layout.cc (Layout::choose_output_section): Don't rename sections
296 when using a linker script that has a SECTIONS clause.
297 * Makefile.in: Regenerate.
299 * testsuite/Makefile.am (script_test_5.sh): New test case.
300 * testsuite/Makefile.in: Regenerate.
301 * testsuite/script_test_5.cc: New file.
302 * testsuite/script_test_5.sh: New file.
303 * testsuite/script_test_5.t: New file.
305 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
307 * archive.cc (Archive::include_member): Update calls to add_symbols.
308 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
310 * dynobj.h (do_add_symbols): Add the Layout argument.
311 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
313 * object.h (Object::add_symbols): Add the Layout argument.
314 (Object::do_add_symbols): Add the Layout argument.
315 (Sized_relobj::do_add_symbols): Add the Layout argument.
316 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
317 Unify the two versions.
318 (Add_plugin_symbols): Remove.
319 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
320 (Sized_pluginobj::do_add_symbols): Unify the two versions.
321 (Add_plugin_symbols): Remove.
322 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
323 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
324 (Add_symbols::run): Make it work with Pulginobj.
326 2009-02-06 Ian Lance Taylor <iant@google.com>
328 * object.cc (Sized_relobj::do_layout): Make info message start
329 with lower case letter.
331 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
333 * binary.cc: Fix file comment.
335 * options.h (enum Incremental_disposition): Define.
336 (class General_options): Add new options: --incremental,
337 --incremental_changed, --incremental_unchanged,
338 --incremental_unknown. Add incremental_disposition_ and
339 implicit_incremental_ fields.
340 (General_options::incremental_disposition): New function.
341 (class Position_dependent_options): Add incremental_disposition
343 (Position_dependent_options::copy_from_options): Set incremental
345 * options.cc (General_options::parse_incremental_changed): New
347 (General_options::parse_incremental_unchanged): New function.
348 (General_options::parse_incremental_unknown): New function.
349 (General_options::General_options): Initialize new fields
350 incremental_disposition_ and implicit_incremental_.
351 (General_options::finalize): Check for uasge of --incremental-*
352 without --incremental.
354 2009-02-06 Chris Demetriou <cgd@google.com>
356 * gold.h (gold_undefined_symbol): Change to take only a Symbol
357 pointer and to report location as the file name associated with
359 (gold_undefined_symbol_at_location): New function to replace the
360 old gold_undefined_symbol functionality.
361 * target-reloc.h (relocate_section): Update to use
362 gold_undefined_symbol_at_location.
363 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
364 Call gold_undefined_symbol function rather than gold_error.
365 * errors.h (Errors::undefined_symbol): Take location as a
366 string, rather than calculating it from a relocation.
367 * errors.cc (Errors::fatal): Print "fatal error:" before the
369 (Errors::error, Errors::error_at_location): Print "error: "
370 before the formatted message.
371 (Errors::undefined_symbol): Take location as a string, rather
372 than calculating it from a relocation.
373 (gold_undefined_symbol_at_location): New function akin to
374 old gold_undefined_symbol, calculates location from relocation.
375 (gold_undefined_symbol): Change to take only a Symbol pointer
376 and to report location as the file name associated with the symbol.
377 * testsuite/debug_msg.sh: Update for changed error messages.
378 * testsuite/undef_symbol.sh: Likewise.
380 2009-02-04 Duncan Sands <baldrick@free.fr>
383 * reduced_debug_output.h
384 (Output_reduced_debug_abbrev_section::failed): Use format for
386 (Output_reduced_debug_info_section::faild): Likewise.
388 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
390 * script.cc (Lazy_demangler): New class.
391 (Version_script_info::get_symbol_version_helper): Demangle a
394 2009-01-29 Cary Coutant <ccoutant@google.com>
396 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
398 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
400 2009-01-28 Ian Lance Taylor <iant@google.com>
402 * version.cc (version_string): Bump to 1.9.
404 * gold.h: Include <cstring> and <stdint.h>.
405 * version.cc: Include <cstdio>.
406 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
408 * reduced_debug_output.cc (insert_into_vector): Rename from
409 Insert_into_vector; change all callers. Use Swap_unaligned to
410 avoid aliasing issue; remove union since it is unnecessary.
412 2009-01-27 Sriraman Tallam <tmsriram@google.com>
414 * Makefile.am (CCFILES): Add gc.cc.
416 * Makefile.in: Regenerate.
417 * gold.cc (Gc_runner): New class.
418 (queue_initial_tasks): Call garbage collection related tasks
419 when corresponding options are invoked.
420 (queue_middle_gc_tasks): New function.
421 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
422 processed early before laying out sections during garbage collection.
423 * gold.h (queue_middle_gc_tasks): New function.
424 (is_prefix_of): Move from "layout.cc".
425 * i386.cc (Target_i386::gc_process_relocs): New function.
426 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
427 * main.cc (main): Create object of class "Garbage_collection".
428 * object.cc (Relobj::copy_symbols_data): New function.
429 (Relobj::is_section_name_included): New function.
430 (Sized_relobj::do_layout): Allow this function to be called twice
431 during garbage collection and defer layout of section during the
433 * object.h (Relobj::get_symbols_data): New function.
434 (Relobj::is_section_name_included): New function.
435 (Relobj::copy_symbols_data): New function.
436 (Relobj::set_symbols_data): New function.
437 (Relobj::get_relocs_data): New function.
438 (Relobj::set_relocs_data): New function.
439 (Relobj::is_output_section_offset_invalid): New pure virtual function.
440 (Relobj::gc_process_relocs): New function.
441 (Relobj::do_gc_process_relocs): New pure virtual function.
442 (Relobj::sd_): New data member.
443 (Sized_relobj::is_output_section_offset_invalid): New function.
444 (Sized_relobj::do_gc_process_relocs): New function.
445 * options.h (General_options::gc_sections): Modify to not be a no-op.
446 (General_options::print_gc_sections): New option.
447 * plugin.cc (Plugin_finish::run): Remove function call to
448 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
449 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
450 * reloc.cc (Read_relocs::run): Add task to process relocs and
451 determine unreferenced sections when doing garbage collection.
452 (Gc_process_relocs): New class.
453 (Sized_relobj::do_gc_process_relocs): New function.
454 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
455 sections that are garbage collected.
456 * reloc.h (Gc_process_relocs): New class.
457 * sparc.cc (Target_sparc::gc_process_relocs): New function.
458 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
459 symbols whose corresponding sections are garbage collected.
460 (Symbol_table::Symbol_table): Add new parameter for the garbage
462 (Symbol_table::gc_mark_undef_symbols): New function.
463 (Symbol_table::gc_mark_symbol_for_shlib): New function.
464 (Symbol_table::gc_mark_dyn_syms): New function.
465 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
467 (Symbol_table::add_from_object): Likewise.
468 (Symbol_table::add_from_relobj): When building shared objects, do not
469 treat externally visible symbols as garbage.
470 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
471 table information for static and relocatable links.
472 * symtab.h (Symbol_table::set_gc): New function.
473 (Symbol_table::gc): New function.
474 (Symbol_table::gc_mark_undef_symbols): New function.
475 (Symbol_table::gc_mark_symbol_for_shlib): New function.
476 (Symbol_table::gc_mark_dyn_syms): New function.
477 (Symbol_table::gc_): New data member.
478 * target.h (Sized_target::gc_process_relocs): New pure virtual
480 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
481 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
483 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
485 * options.h (General_options::gc_sections): Define as a no-op for now.
486 (General_options::no_keep_memory): Ditto.
487 (General_options::Bshareable): Define.
488 * options.cc (General_options::finalize): Honor -Bshareable.
490 2009-01-20 Andreas Schwab <schwab@suse.de>
492 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
493 read the value in the contents, since we don't use it. Use the
494 template endianness when writing.
495 (Relocate::relocate): Use it for R_PPC_REL16_HA.
497 2009-01-19 Andreas Schwab <schwab@suse.de>
499 * configure.tgt (powerpc64-*): Fix targ_obj.
501 2009-01-15 Ian Lance Taylor <iant@google.com>
503 * object.cc (Sized_relobj::write_local_symbols): Don't write out
504 local symbols when stripping all symbols.
506 2009-01-14 Cary Coutant <ccoutant@google.com>
508 * output.cc (Output_reloc): Add explicit instantiations.
510 2009-01-14 Cary Coutant <ccoutant@google.com>
512 * archive.cc (Archive::get_elf_object_for_member): Remove call
513 to File_read::claim_for_plugin.
514 * descriptors.cc (Descriptors::open): Remove reference to
516 (Descriptors::claim_for_plugin): Remove.
517 * descriptors.h (Descriptors::claim_for_plugin): Remove.
518 (Descriptors::is_claimed): Remove.
519 (claim_descriptor_for_plugin): Remove.
520 * fileread.cc (File_read::claim_for_plugin): Remove.
521 * fileread.h (File_read::claim_for_plugin): Remove.
522 (File_read::descriptor): Reopen descriptor if necessary.
523 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
524 (Plugin_manager::all_symbols_read): Add task parameter. Change
526 (Plugin_manager::get_input_file): New function.
527 (Plugin_manager::release_input_file): New function.
528 (Pluginobj::Pluginobj): Add filesize parameter and initialize
529 corresponding data member.
530 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
531 and pass to base constructor. Change all callers.
532 (get_input_file, release_input_file): New functions.
533 (make_sized_plugin_object): Add filesize parameter. Change all callers.
534 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
535 (Plugin_manager::all_symbols_read): Add task parameter.
536 (Plugin_manager::get_input_file): New function.
537 (Plugin_manager::release_input_file): New function.
538 (Plugin_manager::task_): New data member.
539 (Pluginobj::Pluginobj): Add filesize parameter.
540 (Pluginobj::filename): New function.
541 (Pluginobj::descriptor): New function.
542 (Pluginobj::filesize): New function.
543 (Pluginobj::filesize_): New data member.
544 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
545 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
546 File_read::claim_for_plugin; use Object::unlock to unlock the file.
548 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
549 with archive libraries.
550 * testsuite/Makefile.in: Regenerate.
551 * testsuite/plugin_test.c (struct sym_info): New type.
552 (get_input_file, release_input_file): New static variables.
553 (onload): Capture new transfer vector entries.
554 (claim_file_hook): Stop reading at end of file according to filesize.
555 Factor out parsing of readelf output into separate function.
556 (all_symbols_read_hook): Exercise get_input_file and release_input_file
557 APIs and get the source file name from the symbol table. Convert
558 source file name to corresponding object file name. Print info
559 message when adding new input files.
560 (parse_readelf_line): New function.
561 * testsuite/plugin_test_1.sh: Add checks for new info messages.
562 * testsuite/plugin_test_2.sh: Likewise.
563 * testsuite/plugin_test_3.sh: Likewise.
564 * testsuite/plugin_test_4.sh: New test case.
566 2009-01-07 Ian Lance Taylor <iant@google.com>
568 * version.cc (version_string): Bump to 1.8.
570 2008-12-23 Cary Coutant <ccoutant@google.com>
572 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
573 * plugin.cc (Plugin_manager::finish): Rename as
574 layout_deferred_objects. Move cleanup to separate function.
575 (Plugin_manager::cleanup): New function.
576 (Plugin_finish::run): Call layout_deferred_objects and cleanup
578 * plugin.h (Plugin_manager::finish): Rename as
579 layout_deferred_objects.
580 (Plugin_manager::cleanup): New function.
581 (Plugin_manager::cleanup_done): New field.
583 2008-12-23 Cary Coutant <ccoutant@google.com>
585 * plugin.cc (is_visible_from_outside): New function.
586 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
587 so we don't return "IR only" status for exported symbols or -r links.
589 * testsuite/Makefile.am (plugin_test_3): New test case.
590 * testsuite/Makefile.in: Regenerate.
591 * testsuite/plugin_test_3.sh: New file.
593 2008-12-22 Cary Coutant <ccoutant@google.com>
595 * object.cc (Sized_relobj::layout_section): New function.
596 (Sized_relobj::do_layout): Defer layout of input sections until after
597 plugin has provided replacement files.
598 (Sized_relobj::do_layout_deferred_sections): New function.
599 * object.h (Relobj::set_section_offset): Remove virtual keyword.
600 (Relobj::layout_deferred_sections): New function.
601 (Relobj::do_layout_deferred_sections): New function.
602 (Sized_relobj::do_layout_deferred_sections): New function.
603 (Sized_relobj::layout_section): New function.
604 (Sized_relobj::Deferred_layout): New structure.
605 (Sized_relobj::deferred_layout_): New field.
606 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
607 Change all callers. Layout deferred sections.
608 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
610 (Plugin_hook::run): Move code from do_plugin_hook inline.
611 (Plugin_hook::do_plugin_hook): Remove.
612 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
613 (Plugin_manager::finish): Renamed, was cleanup.
614 (Plugin_manager::should_defer_layout): New function.
615 (Plugin_manager::add_deferred_layout_object): New function.
616 (Plugin_manager::Deferred_layout_list): New type.
617 (Plugin_manager::deferred_layout_objects_): New field.
618 (Plugin_hook::do_plugin_hook): Remove.
620 2008-12-17 Ian Lance Taylor <iant@google.com>
622 * options.h (class General_options): Add --no case for
625 2008-12-16 Cary Coutant <ccoutant@google.com>
627 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
629 (Plugin_manager::claim_file): Create plugin object even if
630 plugin did not call the add_symbols callback.
631 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
632 asking for more symbols than were added.
633 * testsuite/Makefile.am (plugin_test_1): Add test case with
635 (empty.syms): New target.
636 * testsuite/Makefile.in: Regenerate.
637 * testsuite/plugin_test.c (claim_file_hook): Add new debug
638 message. Don't call add_symbols if no globals.
639 (all_symbols_read_hook): Don't provide replacement for empty
642 2008-12-12 Ian Lance Taylor <iant@google.com>
644 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
645 r_type == 0 for a local symbol with r_sym == 0.
646 (scan_relocatable_relocs): Pass r_sym to
647 local_non_section_strategy.
648 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
651 * configure.ac: Update test for TLS descriptors: they are
652 supported as of glibc 2.9.
653 * configure: Rebuild.
655 2008-12-11 Ian Lance Taylor <iant@google.com>
658 * target-reloc.h (Default_scan_relocatable_relocs): For each
659 function, map r_type == 0 to RELOC_DISCARD.
661 2008-12-10 Cary Coutant <ccoutant@google.com>
663 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
664 object to override a kept COMDAT group from a plugin object.
666 2008-12-09 Ian Lance Taylor <iant@google.com>
669 * yyscript.y (file_cmd): Handle INPUT.
671 * testsuite/initpri1.c: Change all declarations to be full
672 prototypes by adding void, to avoid compiler warnings.
674 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
676 * options.cc (General_options::parse_plugin_opt): New.
677 (General_options::add_plugin): The argument now is just the filename.
678 (General_options::add_plugin_option): New.
679 * options.h (plugin_opt): New.
680 (add_plugin): Change argument name.
681 (add_plugin_option): New.
682 * plugin.cc (Plugin::load): Don't parse the plugin option.
683 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
684 (Plugin::add_option): New.
685 (Plugin::args_): Change type.
686 (Plugin::filename_): New.
687 (Plugin_manager::add_plugin_option): New.
688 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
689 * testsuite/Makefile.in: Regenerate.
691 2008-12-05 Cary Coutant <ccoutant@google.com>
693 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
694 Handle --strip-lto-sections option.
695 * options.h (strip_lto_sections): New option.
697 2008-12-01 Cary Coutant <ccoutant@google.com>
699 * plugin.cc (ld_plugin_message): Change format parameter to const.
700 Fix mismatch between new[] and delete.
702 2008-11-14 Cary Coutant <ccoutant@google.com>
704 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
707 2008-11-05 Craig Silverstein <csilvers@google.com>
709 * options.cc (General_options::parse_dynamic_list): New function.
710 * options.h (General_options): New flags dynamic_list,
711 dynamic_list_data, dynamic_list_cpp_new, and
712 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
713 (General_options::in_dynamic_list): New function.
714 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
715 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
716 (Lex::can_continue_name): Likewise.
718 (read_script_file): New parameter script_options.
719 (read_dynamic_list): New function.
720 (Script_options::define_dynamic_list): New function.
721 (dynamic_list_keyword_parsecodes): New variable.
722 (dynamic_list_keywords): New variable.
723 * script.h (Script_options::define_dynamic_list): New function
725 (read_dynamic_list): New function prototype.
726 * symtab.cc (strprefix): New macro.
727 (Symbol::should_add_dynsym_entry): Support dynamic_list,
728 dynamic_list_data, dynamic_list_cpp_new, and
729 dynamic_list_cpp_typeinfo.
730 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
731 (dynamic_list_expr): New rule.
732 (dynamic_list_nodes): Likewise.
733 (dynamic_list_node): Likewise.
734 * testsuite/Makefile.am (dynamic_list): New test.
735 * testsuite/Makefile.in: Regenerated.
736 * testsuite/dynamic_list.t: New file.
737 * testsuite/dynamic_list.sh: New file.
739 2008-11-05 Craig Silverstein <csilvers@google.com>
741 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
742 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
743 (t11_last): Likewise.
744 * testsuite/ver_test_6.c (main): Likewise.
746 2008-10-07 Cary Coutant <ccoutant@google.com>
748 * options.c (General_options::finalize): Add check for -static and
750 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
753 2008-10-02 Cary Coutant <ccoutant@google.com>
755 * plugin.cc (make_sized_plugin_object): Fix conditional
756 compilation to work when not all targets are enabled.
758 2008-09-29 Cary Coutant <ccoutant@google.com>
760 * archive.cc (Archive::get_file_and_offset): Use filename instead
761 of name to get library path.
762 (Archive::include_member): Unlock external member of a thin archive.
764 * testsuite/Makefile.am (TEST_AR): New variable.
765 (thin_archive_test_1): New test.
766 (thin_archive_test_2): New test.
767 * testsuite/Makefile.in: Regenerate.
768 * testsuite/thin_archive_main.cc: New file.
769 * testsuite/thin_archive_test_1.cc: New file.
770 * testsuite/thin_archive_test_2.cc: New file.
771 * testsuite/thin_archive_test_3.cc: New file.
772 * testsuite/thin_archive_test_4.cc: New file.
774 2008-09-29 Cary Coutant <ccoutant@google.com>
776 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
777 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
779 (Sized_relobj::do_finalize_local_symbols): Likewise.
780 (Sized_relobj::map_to_kept_section): Likewise.
781 * object.h (Sized_relobj::invalid_address): New constant.
782 (Sized_relobj::do_output_section_offset): Check for invalid_address
784 * output.cc (Output_reloc::local_section_offset): Use constant
785 invalid_address instead of -1U.
786 (Output_reloc::get_address): Likewise.
787 (Output_section::output_address): Change -1U to -1ULL.
788 * output.h (Output_reloc::invalid_address): New constant.
789 * reloc.cc (Sized_relobj::write_sections): Use constant
790 invalid_address instead of -1U.
791 (Sized_relobj::relocate_sections): Likewise.
792 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
793 values for merge sections.
794 * target-reloc.h (relocate_for_relocatable): Use constant
795 invalid_address instead of -1U.
797 2008-09-19 Cary Coutant <ccoutant@google.com>
799 Add plugin functionality for link-time optimization (LTO).
800 * configure.ac (plugins): Add --enable-plugins option.
801 * configure: Regenerate.
802 * config.in: Regenerate.
803 * Makefile.am (LIBDL): New variable.
804 (CCFILES): Add plugin.cc.
805 (HFILES): Add plugin.h.
806 (ldadd_var): Add LIBDL.
807 * Makefile.in: Regenerate.
809 * archive.cc: Include "plugin.h".
810 (Archive::setup): Don't preread archive symbols when using a plugin.
811 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
812 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
814 (Archive::include_member): Add symbols from plugin objects.
815 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
816 * descriptors.cc (Descriptors::open): Check for file descriptors
817 abandoned by plugins.
818 (Descriptors::claim_for_plugin): New function.
819 * descriptors.h (Descriptors::claim_for_plugin): New function.
820 (Open_descriptor::is_claimed): New field.
821 (claim_descriptor_for_plugin): New function.
822 * fileread.cc (File_read::claim_for_plugin): New function.
823 * fileread.h (File_read::claim_for_plugin): New function.
824 (File_read::descriptor): New function.
825 * gold.cc: Include "plugin.h".
826 (queue_initial_tasks): Add task to call plugin hooks for generating
828 * main.cc: Include "plugin.h".
829 (main): Load plugin libraries.
830 * object.h (Pluginobj): Declare.
831 (Object::pluginobj): New function.
832 (Object::do_pluginobj): New function.
833 (Object::set_target): New function.
834 * options.cc: Include "plugin.h".
835 (General_options::parse_plugin): New function.
836 (General_options::General_options): Initialize plugins_ field.
837 (General_options::add_plugin): New function.
838 * options.h (Plugin_manager): Declare.
839 (General_options): Add --plugin option.
840 (General_options::has_plugins): New function.
841 (General_options::plugins): New function.
842 (General_options::add_plugin): New function.
843 (General_options::plugins_): New field.
844 * plugin.cc: New file.
845 * plugin.h: New file.
846 * readsyms.cc: Include "plugin.h".
847 (Read_symbols::do_read_symbols): Check for archive before checking
848 for ELF file. Call plugin hooks to claim files.
849 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
850 from a real object file; force override when processing replacement
852 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
853 (Symbol::init_base_object): Likewise.
854 (Symbol::init_base_output_data): Likewise.
855 (Symbol::init_base_output_segment): Likewise.
856 (Symbol::init_base_constant): Likewise.
857 (Symbol::init_base_undefined): Likewise.
858 (Symbol::output_section): Assert that object is not a plugin.
859 (Symbol_table::add_from_pluginobj): New function.
860 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
862 (Symbol_table::sized_write_globals): Likewise.
863 (Symbol_table::add_from_pluginobj): Instantiate template.
864 * symtab.h (Sized_pluginobj): Declare.
865 (Symbol::in_real_elf): New function.
866 (Symbol::set_in_real_elf): New function.
867 (Symbol::in_real_elf_): New field.
868 (Symbol_table::add_from_pluginobj): New function.
870 * testsuite/Makefile.am (AM_CFLAGS): New variable.
871 (LIBDL): New variable.
873 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
874 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
875 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
876 (MOSTLYCLEANFILES): Likewise.
877 * testsuite/Makefile.in: Regenerate.
878 * testsuite/plugin_test.c: New file.
879 * testsuite/plugin_test_1.sh: New file.
880 * testsuite/plugin_test_2.sh: New file.
882 2008-09-16 Ian Lance Taylor <iant@google.com>
884 * target-reloc.h (relocate_section): Check whether a symbol is
885 defined by the ABI before reporting an undefined symbol error.
886 * target.h (Target::is_defined_by_abi): Make parameter const.
887 (Target::do_is_defined_by_abi): Likewise.
888 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
889 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
890 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
891 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
892 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
893 * testsuite/Makefile.in: Rebuild.
895 * fileread.cc (make_view): Add casts to avoid warning.
897 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
899 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
900 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
902 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
904 * options.h (General_options::output_is_executable): New.
905 (General_options::output_is_pie): New.
906 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
907 for shared libraries.
908 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
910 2008-09-11 Chris Demetriou <cgd@google.com>
912 * options.h (origin): New -z option.
913 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
914 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
917 2008-09-05 Cary Coutant <ccoutant@google.com>
919 * fileread.cc (File_read::make_view): Add check for attempt to map
922 2008-09-05 Cary Coutant <ccoutant@google.com>
924 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
925 explicit instantiations.
927 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
930 * options.cc (General_options::finalize): Allow undefined symbols
931 in shlibs if linking -shared.
934 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
935 symbols as not needing a dynsym entry.
937 2008-08-20 Craig Silverstein <csilvers@google.com>
939 * fileread.cc (File_read::open): Do not lock the file unless it
940 was successfully opened.
942 2008-08-14 Cary Coutant <ccoutant@google.com>
944 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
945 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
946 * testsuite/tls_test.cc (struct int128): 128-bit struct
947 for testing TLS relocs with non-zero addend.
948 (v12): New TLS variable.
950 (t_last): Add check for v12.
951 * testsuite/tls_test.h (t12): New function.
952 * testsuite/tls_test_main.cc (thread_routine): Call new test.
954 2008-08-13 Ian Lance Taylor <iant@google.com>
956 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
957 set tls_segment_ or relro_segment_.
958 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
960 * output.h (Output_section::clear_is_relro): New function.
961 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
962 sections specially even when output_data_ is empty.
963 (Output_segment::maximum_alignment): When first section is relro,
964 only force alignment for PT_LOAD segments.
965 * script.cc (script_data_segment_align): New function.
966 (script_data_segment_relro_end): New function.
967 * script-c.h (script_data_segment_align): Declare.
968 (script_data_segment_relro_end): Declare.
969 * script-sections.h (class Script_sections): Declare
970 data_segment_align and data_segment_relro_end. Add fields
971 segment_align_index_ and saw_relro_end_.
972 * script-sections.cc (class Sections_element): Add set_is_relro
973 virtual function. Add new bool* parameter to place_orphan_here.
974 Add get_output_section virtual function.
975 (class Output_section_definition): Add set_is_relro. Add new
976 bool* parameter to place_orphan_here. Add get_output_section.
978 (Output_section_definition::Output_section_definition): Initialize
979 evaluated_address_, evaluated_load_address, evaluated_addralign_,
980 and is_relro_ fields.
981 (Output_section_definition::place_orphan_here): Add is_relro
983 (Output_section_definition::set_section_addresses): Set relro for
985 (Output_section_definition::alternate_constraint): Likewise.
986 (class Orphan_output_section): Add new bool* parameter to
987 place_orphan_here. Add get_output_section.
988 (Orphan_output_section::place_orphan_here): Add is_relro
990 (Script_sections::Script_sections): Initialize
991 data_segment_align_index_ and saw_relro_end_.
992 (Script_sections::data_segment_align): New function.
993 (Script_sections::data_segment_relro_end): New function.
994 (Script_sections::place_orphan): Set or clear is_relro.
995 (Script_sections::set_section_addresses): Force alignment of first
997 * yyscript.y (exp): Call script_data_segment_align and
998 script_data_segment_relro_end.
999 * testsuite/relro_script_test.t: New file.
1000 * testsuite/relro_test.cc (using_script): Declare.
1001 (t1, t2): Test using_script.
1002 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
1003 (relro_script_test_SOURCES): Define.
1004 (relro_script_test_DEPENDENCIES): Define.
1005 (relro_script_test_LDFLAGS): Define.
1006 (relro_script_test_LDADD): Define.
1007 (relro_script_test.so): New target.
1008 * testsuite/Makefile.in: Rebuild.
1010 2008-08-06 Cary Coutant <ccoutant@google.com>
1012 * archive.cc (Archive::total_archives, Archive::total_members)
1013 (Archive::total_members_loaded): New variables.
1014 (Archive::setup): Add parameter. Add option to preread
1016 (Archive::read_armap): Add counter.
1017 (Archive::get_file_and_offset): New function.
1018 (Archive::get_elf_object_for_member): New function.
1019 (Archive::read_all_symbols): New function.
1020 (Archive::read_symbols): New function.
1021 (Archive::add_symbols): Add counters.
1022 (Archive::include_all_members): Use armap to find members if it's
1024 (Archive::include_member): Skip reading symbols if already read.
1025 Factored code into Archive::get_file_and_offset and
1026 Archive::get_elf_object_for_member. Changed call to
1027 Mapfile::report_include_archive_member.
1028 (Archive::print_stats): New function.
1029 * archive.h: Declare Object and Read_symbols_data classes.
1030 (Archive::Archive): Add initializers for new members.
1031 (Archive::setup): Add parameter.
1032 (Archive::print_stats): New function.
1033 (Archive::total_archives, Archive::total_members)
1034 (Archive::total_members_loaded): New variables.
1035 (Archive::get_file_and_offset): New function.
1036 (Archive::get_elf_object_for_member): New function.
1037 (Archive::read_all_symbols): New function.
1038 (Archive::read_symbols): New function.
1039 (Archive::Archive_member): New class.
1040 (Archive::members_): New member.
1041 (Archive::num_members_): New member.
1042 * main.cc: Include archive.h.
1043 (main): Call Archive::print_stats.
1044 * mapfile.cc (Mapfile::report_include_archive_member): Delete
1045 archive parameter; member_name is now the fully-decorated name.
1046 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
1047 * options.h: (General_options): Add --preread-archive-symbols option.
1048 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
1051 2008-08-04 Ian Lance Taylor <iant@google.com>
1053 * symtab.h (Symbol::use_plt_offset): New function.
1054 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
1055 * powerpc.cc (Relocate::relocate): Likewise.
1056 * sparc.cc (Relocate::relocate): Likewise.
1057 * x86_64.cc (Relocate::relocate): Likewise.
1058 * testsuite/weak_plt.sh: New test.
1059 * testsuite/weak_plt_main.cc: New test.
1060 * testsuite/weak_plt_shared.cc: New test.
1061 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
1062 (check_PROGRAMS): Add weak_plt.
1063 (check_DATA): Add weak_plt_shared.so.
1064 (weak_plt_main_pic.o, weak_plt): New targets.
1065 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
1066 * testsuite/Makefile.in: Rebuild.
1068 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
1070 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
1071 * testsuite/Makefile.in: Rebuild.
1073 2008-08-04 Alan Modra <amodra@bigpond.net.au>
1075 * Makefile.am (POTFILES.in): Set LC_ALL=C.
1076 * Makefile.in: Regenerate.
1077 * po/POTFILES.in: Regenerate.
1079 2008-07-29 Ian Lance Taylor <iant@google.com>
1081 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
1082 symbols before other symbols.
1083 * testsuite/script_test_2.cc (test_addr): Declare.
1084 (test_addr_alias): Declare.
1085 (main): Check that test_addr and test_addr_alias have the right
1087 * testsuite/script_test_2.t: Define test_addr_alias and
1090 2008-07-24 Ian Lance Taylor <iant@google.com>
1093 * descriptors.cc: New file.
1094 * descriptors.h: New file.
1095 * gold-threads.h (class Hold_optional_lock): New class.
1096 * fileread.cc: Include "descriptors.h".
1097 (File_read::~File_read): Release descriptor rather than closing
1099 (File_read::open) [file]: Call open_descriptor rather than open.
1100 Set is_descriptor_opened_.
1101 (File_read::open) [memory]: Assert that descriptor is not open.
1102 (File_read::reopen_descriptor): New function.
1103 (File_read::release): Release descriptor.
1104 (File_read::do_read): Make non-const. Reopen descriptor.
1105 (File_read::read): Make non-const.
1106 (File_read::make_view): Reopen descriptor.
1107 (File_read::do_readv): Likewise.
1108 * fileread.h (class File_read): Add is_descriptor_opened_ field.
1109 Update declarations.
1110 * layout.cc: Include "descriptors.h".
1111 (Layout::create_build_id): Use open_descriptor rather than open.
1112 * output.cc: Include "descriptors.h".
1113 (Output_file::open): Use open_descriptor rather than open.
1114 * archive.cc (Archive::const_iterator): Change Archive to be
1116 (Archive::begin, Archive::end): Make non-const.
1117 (Archive::count_members): Likewise.
1118 * archive.h (class Archive): Update declarations.
1119 * object.h (Object::read): Make non-const.
1120 * Makefile.am (CCFILES): Add descriptors.cc.
1121 (HFILES): Add descriptors.h.
1122 * Makefile.in: Rebuild.
1125 * gold.h: Always include <clocale>. Add Solaris workarounds
1126 following code in binutils/sysdep.h.
1129 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
1130 this->eh_frame_hdr_ is NULL before using it.
1132 * dynobj.cc (Versions::Versions): Update comment.
1134 * dynobj.cc (Versions::Versions): If there is an soname, use it as
1135 the base version name.
1137 * stringpool.cc (Stringpool_template::add_with_length): Set key to
1138 array size plus one.
1139 (Stringpool_template::set_string_offsets): Subtract one from key
1140 before using it as an array index.
1141 (Stringpool_template::get_offset_with_length): Likewise.
1142 (Stringpool_template::write_to_buffer): Likewise.
1143 * stringpool.h (Stringpool_template::get_offset_from_key):
1146 2008-07-23 Ian Lance Taylor <iant@google.com>
1149 * object.h (Merged_symbol_value::value): Do our best to handle a
1153 * script.cc (Version_script_info::get_versions): Don't add empty
1154 version tag to return value.
1155 (Version_script_info::get_symbol_version_helper): Change return
1156 type to bool. Add pversion parameter. Change all callers.
1157 (script_register_vers_node): Don't require a non-NULL tag.
1158 * script.h (class Version_script_info): Update declarations.
1159 (Version_script_info::get_symbol_version): Change return type to
1160 bool. Add version parameter. Change all callers.
1161 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
1162 handling. Handle an empty version from a version script.
1163 (Symbol_table::define_special_symbol): Likewise.
1164 * testsuite/ver_test_10.script: New file.
1165 * testsuite/ver_test_10.sh: New file.
1166 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
1167 (check_DATA): Add ver_test_10.syms.
1168 (ver_test_10.syms, ver_test_10.so): New target.
1169 * testsuite/Makefile.in: Rebuild.
1171 2008-07-23 Simon Baldwin <simonb@google.com>
1173 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
1174 to zero for undefined symbols from dynamic libraries.
1176 2008-07-23 Ian Lance Taylor <iant@google.com>
1178 * symtab.cc (Symbol_table::resolve): Remove version parameter.
1180 * symtab.h (class Symbol_table): Update declaration.
1181 * testsuite/ver_test_9.cc: New file.
1182 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
1183 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
1184 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
1185 (ver_test_9.so, ver_test_9.o): New targets.
1186 * testsuite/Makefile.in: Rebuild.
1188 2008-07-22 Ian Lance Taylor <iant@google.com>
1190 * options.h (class General_options): Define --check-sections.
1191 * layout.cc (Layout::set_segment_offsets): Handle
1194 * options.h (class General_options): Define -n/--nmagic and
1196 * options.cc (General_options::finalize): For -n/--nmagic or
1197 -N/--omagic, set -static.
1198 * layout.cc (Layout::attach_allocated_section_to_segment): If
1199 -N/--omagic, don't put read-only and read-write sections in
1201 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
1202 finding a read-only segment.
1203 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
1204 don't set the minimum segment alignment to the common page size,
1205 and don't set the file offset to the address modulo the page size.
1206 * script-sections.cc (Script_sections::create_segments): If
1207 -n/--omagic, don't put read-only and read-write sections in
1210 * cref.cc: New file.
1212 * options.h (class General_options): Add --print-symbol-counts.
1213 * main.cc (main): Issue defined symbol report if requested.
1214 * archive.cc (Archive::interpret_header): Make into a const member
1216 (Archive::add_symbols): Call Input_objects::archive_start and
1218 (Archive::const_iterator): Define new class.
1219 (Archive::begin, Archive::end): New functions.
1220 (Archive::include_all_members): Rewrite to use iterator.
1221 (Archive::count_members): New function.
1222 * archive.h (class Archive): Update declarations.
1223 (Archive::filename): New function.
1224 * object.cc: Include "cref.h".
1225 (Sized_relobj::Sized_relobj): Initialize defined_count_.
1226 (Sized_relobj::do_get_global_symbol_counts): New function.
1227 (Input_objects::add_object): Add object to cross-referencer.
1228 (Input_objects::archive_start): New function.
1229 (Input_objects::archive_stop): New function.
1230 (Input_objects::print_symbol_counts): New function.
1231 * object.h: Declare Cref and Archive.
1232 (Object::get_global_symbol_counts): New function.
1233 (Object::do_get_global_symbol_counts): New pure virtual function.
1234 (class Sized_relobj): Add defined_count_ field. Update
1236 (class Input_objects): Add cref_ field. Update constructor.
1237 Update declarations.
1238 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
1240 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
1242 (Sized_dynobj::do_get_global_symbol_counts): New function.
1243 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
1244 defined_count_. Update declarations. Define Symbols typedef.
1245 * symtab.cc (Symbol_table::add_from_relobj): Add defined
1246 parameter. Change all callers.
1247 (Symbol_table::add_from_dynobj): Add sympointers and defined
1248 parameters. Change all callers.
1249 * symtab.h (class Symbol_table): Update declarations.
1250 * Makefile.am (CCFILES): Add cref.cc.
1251 (HFILES): Add cref.h.
1252 * Makefile.in: Rebuild.
1254 2008-07-22 Simon Baldwin <simonb@google.com>
1256 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
1257 to zero when writing undefined symbols.
1259 2008-07-22 Ian Lance Taylor <iant@google.com>
1261 * output.cc (Output_section::add_input_section): Don't try to
1262 merge empty merge sections.
1264 2008-07-21 Craig Silverstein <csilvers@google.com>
1266 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1267 Include symbol version in error message.
1269 2008-07-20 Chris Demetriou <cgd@google.com>
1271 * configure.ac (gold_cv_c_random_seed): New configured variable.
1272 (RANDOM_SEED_CFLAGS): New substituted variable.
1273 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
1274 * configure: Rebuild.
1275 * Makefile.in: Likewise.
1276 * testsuite/Makefile.in: Likewise.
1278 2008-07-18 Ian Lance Taylor <iant@google.com>
1280 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
1281 where we see NAME/NULL and NAME/VERSION as separate symbols.
1282 * testsuite/ver_test_main.cc (main): Call t4.
1283 (t4, t4_2a): Define.
1284 * testsuite/ver_test_2.cc (t4_2): Define.
1285 * testsuite/ver_test_2.script: Put t4_2a in VER2.
1286 * testsuite/ver_test_4.cc (t4_2a): Define.
1287 * testsuite/ver_test_4.script: Put t4_2a in VER2.
1288 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
1290 2008-07-17 Ian Lance Taylor <iant@google.com>
1292 * dynobj.cc (Versions::add_def): If we give an error about a
1293 missing version, go ahead and create the version anyhow.
1295 2008-07-10 Ian Lance Taylor <iant@google.com>
1297 Handle output sections with more than 0x7fffffff bytes.
1298 * object.h (class Relobj): Change map_to_output_ to
1299 output_sections_, and just keep a section pointer. Change all
1300 uses. Move comdat group support to Sized_relobj.
1301 (Relobj::is_section_specially_mapped): Remove.
1302 (Relobj::output_section): Remove poff parameter. Change all
1304 (Relobj::output_section_offset): New function.
1305 (Relobj::set_section_offset): Rewrite.
1306 (Relobj::map_to_output): Remove.
1307 (Relobj::output_sections): New function.
1308 (Relobj::do_output_section_offset): New pure virtual function.
1309 (Relobj::do_set_section_offset): Likewise.
1310 (class Sized_relobj): Add section_offsets_ field. Add comdat
1311 group support from Relobj. Update declarations.
1312 (Sized_relobj::get_output_section_offset): New function.
1313 (Sized_relobj::do_output_section_offset): New function.
1314 (Sized_relobj::do_set_section_offset): New function.
1315 * object.cc (Relobj::output_section_address): Remove.
1316 (Sized_relobj::Sized_relobj): Initialize new fields.
1317 (Sized_relobj::include_section_group): Cast find_kept_object to
1319 (Sized_relobj::include_linkonce_section): Likewise.
1320 (Sized_relobj::do_layout): Use separate arrays for output section
1322 (Sized_relobj::do_count_local_symbols): Change map_to_output to
1324 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
1325 output_sections and section_offsets.
1326 (Sized_relobj::write_local_symbols): Likewise.
1327 (map_to_kept_section): Compute output address directly.
1328 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
1329 output_sections and section_offsets.
1330 (Sized_relobj::write_sections): Likewise.
1331 (Sized_relobj::relocate_sections): Likewise.
1332 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
1333 * output.h (class Output_reloc): Update declarations. Change
1334 u2_.relobj to Sized_relobj*.
1335 (class Output_data_reloc): Change add functions to use
1337 * output.cc (Output_reloc::Output_reloc): Change relobj to
1339 (Output_reloc::local_section_offset): Change return type to
1340 Elf_Addr. Use get_output_section_offset.
1341 (Output_reloc::get_address): Likewise.
1342 (Output_section::is_input_address_mapped): Don't call
1343 is_section_specially_mapped.
1344 (Output_section::output_offset): Likewise.
1345 (Output_section::output_address): Likewise.
1346 (Output_section::starting_output_address): Likewise.
1347 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
1348 parameter to Sized_relobj*.
1349 (Copy_relocs::need_copy_reloc): Likewise.
1350 (Copy_relocs::save): Likewise.
1351 * copy-relocs.h (class Copy_relocs): Update declarations.
1352 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
1353 Sized_relobj*. Change relobj_ field to Sized_relobj*.
1354 * target-reloc.h (relocate_for_relocatable): Change
1355 offset_in_output_section type to Elf_Addr. Change code that uses
1357 * layout.cc (Layout::layout): Always set *off.
1358 * mapfile.cc (Mapfile::print_input_section): Use
1359 output_section_offset.
1360 * i386.cc (Target_i386::copy_reloc): Change object parameter to
1362 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
1363 * sparc.cc (Target_sparc::copy_reloc): Likewise.
1364 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
1366 2008-07-03 Ian Lance Taylor <iant@google.com>
1368 * layout.cc (Layout::include_section): Do not discard unrecognized
1369 SHT_STRTAB sections.
1371 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
1373 * script.cc (Lex::can_continue_name): Make '?' allowable in
1374 version-script names.
1375 * testsuite/version_script.map: Change glob pattern to use '?'
1377 2008-06-30 Manish Singh <yosh@gimp.org>
1380 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
1383 2008-06-30 Ian Lance Taylor <iant@google.com>
1387 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
1388 versions]: Don't try to read the value in the contents, since we
1389 don't use it. Use the template endianness when writing.
1391 2008-06-25 Cary Coutant <ccoutant@google.com>
1393 * fileread.cc (File_read::make_view): Assert on zero-length view.
1394 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
1395 symbol table when there are no symbols to read.
1397 2008-06-23 Craig Silverstein <csilvers@google.com>
1399 * version.cc (version_string): Bump to 1.7
1401 2008-06-18 Craig Silverstein <csilvers@google.com>
1403 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
1404 constant 0xFFFF to type Valtype.
1405 (Powerpc_relocate_functions::rel16_ha): Likewise.
1407 2008-06-17 Ian Lance Taylor <iant@google.com>
1409 * output.h (Output_section::Input_section): Initialize p2align_ to
1410 zero for Output_section_data constructors.
1411 (Output_section::Input_section::addralign): If not an input
1412 section, return the alignment of the Output_section_data.
1413 * testsuite/copy_test.cc: New file.
1414 * testsuite/copy_test_1.cc: New file.
1415 * testsuite/copy_test_2.cc: New file.
1416 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
1417 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
1418 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
1419 (copy_test_1_pic.o, copy_test_1.so): New targets.
1420 (copy_test_2_pic.o, copy_test_2.so): New targets.
1421 * testsuite/Makefile.in: Rebuild.
1423 * script-sections.cc (Script_sections::place_orphan): Initialize
1424 local variable exact.
1426 2008-06-13 David Edelsohn <edelsohn@gnu.org>
1428 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
1430 2008-06-12 David Edelsohn <edelsohn@gnu.org>
1431 David S. Miller <davem@davemloft.net>
1433 * powerpc.cc: New file.
1434 * Makefile.am (TARGETSOURCES): Add powerpc.cc
1435 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
1436 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
1437 * Makefile.in: Rebuild.
1439 2008-06-09 Ian Lance Taylor <iant@google.com>
1441 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
1443 (throwing, orig_terminate): New static variables.
1444 (terminate_handler): New static function.
1445 (t2): Set terminate handler.
1447 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
1450 * binary.cc (Binary_to_elf::sized_convert): Fix .data
1453 2008-05-30 Cary Coutant <ccoutant@google.com>
1455 * archive.cc (Archive::include_all_members) Correct to step
1456 over symbol table and extended name table in thin archives.
1458 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
1461 * target-reloc.h (relocate_for_relocatable): Fix new_offset
1464 2008-05-28 Caleb Howe <cshowe@google.com>
1466 * reduced_debug_output.cc: New file.
1467 * reduced_debug_output.h: New file.
1468 * options.h (class General_options): Add --strip-debug-non-line.
1469 * options.cc (General_options::finalize): Add strip_debug_non_line
1470 to the strip heirarchy.
1471 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
1473 * layout.cc: Include "reduced_debug_output.h".
1474 (Layout::Layout): Initialize new fields.
1475 (line_only_debug_sections): New static array.
1476 (is_lines_only_debug_sections): New static inline function.
1477 (Layout::include_section): Handle --strip-debug-non-line.
1478 (Layout::make_output_section): If --strip-debug-non-line, build
1479 new output sections for .debug_abbrev and .debug_info.
1480 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
1481 gold. Warn about possible overflow.
1482 (read_signed_LEB_128): Likewise.
1483 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
1484 (read_signed_LEB_128): Declare.
1485 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
1486 (HFILES): Add reduced_debug_output.h.
1487 * Makefile.in: Rebuild.
1489 2008-05-21 Ian Lance Taylor <iant@google.com>
1491 * mapfile.cc: New file.
1492 * mapfile.h: New file.
1493 * options.h (class General_options): Add -M/--print-map and -Map.
1494 * options.cc (General_options::finalize): Make -M equivalent to
1496 * main.cc: Include <cstdio> and "mapfile.h".
1497 (main): Open mapfile if requested.
1498 * gold.cc (class Middle_runner): Add mapfile_ field. Update
1499 constructor. Change caller.
1500 (queue_initial_tasks): Add mapfile parameter. Change caller.
1501 (queue_middle_tasks): Likewise.
1502 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
1504 * archive.cc: Include "mapfile.h".
1505 (Archive::add_symbols): Add mapfile parameter. Change all
1506 callers. Pass mapfile, symbol, and reason to include_member.
1507 (Archive::include_all_members): Add mapfile parameter. Change all
1509 (Archive::include_member): Add mapfile, sym, and why parameters.
1510 Change all callers. Report inclusion to map file.
1511 * archive.h: Include "fileread.h".
1512 (class Archive): Update declarations.
1513 (Archive::file): New const method.
1514 (class Add_archive_symbols): Add mapfile_ field. Update
1515 constructor. Change all callers.
1516 * readsyms.h (class Read_symbols): Likewise.
1517 (class Finish_group): Likewise.
1518 (class Read_script): Likewise.
1519 * common.cc: Include "mapfile.h".
1520 (Symbol_table::allocate_commons): Add mapfile parameter. Change
1522 (Symbol_table::do_allocate_commons): Likewise.
1523 (Symbol_table::do_allocate_commons_list): Likewise. Report common
1524 symbol allocation to mapfile.
1525 * common.h (class Allocate_commons_task): Add mapfile_ field.
1526 Update constructor. Change all callers.
1527 * symtab.h (class Symbol_table): Update declarations.
1528 * layout.cc: Include "mapfile.h".
1529 (Layout_task_runner::run): Print information to mapfile.
1530 (Layout::create_gold_note): Change Output_data_fixed_space to
1531 Output_data_zero_fill.
1532 (Layout::create_build_id): Likewise.
1533 (Layout::print_to_mapfile): New function.
1534 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
1535 constructor. Change caller.
1536 (class Layout): Declare print_to_mapfile.
1537 * output.cc (Output_section::Input_section::print_to_mapfile): New
1539 (Output_section::add_input_section): If producing a map, always
1540 add to input_sections_ list.
1541 (Output_section::do_print_to_mapfile): New function.
1542 (Output_segment::print_sections_to_mapfile): New function.
1543 (Output_segment::print_section_list_to_mapfile): New function.
1544 * output.h: Include "mapfile.h".
1545 (Output_data::print_to_mapfile): New function.
1546 (Output_data::do_print_to_mapfile): New virtual function.
1547 (Output_segment_headers::do_print_to_mapfile): New function.
1548 (Output_file_header::do_print_to_mapfile): New function.
1549 (Output_data_const::do_print_to_mapfile): New function.
1550 (class Output_data_const_buffer): Add map_name_ field. Update
1551 constructor. Change all callers. Add do_print_to_mapfile
1553 (class Output_data_fixed_space): Likewise.
1554 (class Output_data_space): Likewise.
1555 (class Output_data_zero_fill): New class.
1556 (Output_data_strtab::do_print_to_mapfile): New function.
1557 (Output_data_reloc_base::do_print_to_mapfile): New function.
1558 (Output_relocatable_relocs::do_print_to_mapfile): New function.
1559 (Output_data_group::do_print_to_mapfile): New function.
1560 (Output_data_got::do_print_to_mapfile): New function.
1561 (Output_data_dynamic::do_print_to_mapfile): New function.
1562 (Output_symtab_xindex::do_print_to_mapfile): New function.
1563 (class Output_section): Declare do_print_to_mapflie. Declare
1564 print_to_mapfile in Input_section.
1565 (class Output_segment): Declare new functions.
1566 * object.h (Sized_relobj::symbol_count): New function.
1567 * script-sections.cc
1568 (Output_section_element_dot_assignment::set_section_addresses):
1569 Change Output_data_fixed_space to Output_data_zero_fill.
1570 (Output_data_expression::do_print_to_mapfile): New function.
1571 * script.cc (read_input_script): Add mapfile parameter. Change
1573 * script.h (read_input_script): Update declaration.
1574 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
1575 (Eh_frame::do_print_to_mapfile): New function.
1576 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
1577 (Output_merge_string::do_print_to_mapfile): New function.
1578 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
1580 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
1582 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
1584 * Makefile.am (CCFILES): Add mapfile.cc.
1585 (HFILES): Add mapfile.h.
1586 * Makefile.in: Rebuild.
1588 2008-05-19 Ian Lance Taylor <iant@google.com>
1590 * options.h (class General_options): Add -z relro.
1591 * layout.cc (Layout::Layout): Initialize relro_segment_.
1592 (Layout::add_output_section_data): Return the output section.
1593 (Layout::make_output_section): Rcognize relro sections and mark
1595 (Layout::attach_allocated_section_to_segment): Put relro sections
1596 in a PT_GNU_RELRO segment.
1597 (Layout::create_initial_dynamic_sections): Mark the .dynamic
1599 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
1601 (Layout::linkonce_mapping): Map d.rel.ro.local to
1603 (Layout::output_section_name): Us .data.rel.ro.local for any
1604 section which begins with that.
1605 * layout.h (class Layout): Update add_output_section_data
1606 declaration. Add relro_segment_ field.
1607 * output.cc (Output_section::Output_section): Initialize is_relro_
1608 and is_relro_local_ fields.
1609 (Output_segment::add_output_section): Group relro sections.
1610 (Output_segment::is_first_section_relro): New function.
1611 (Output_segment::maximum_alignment): If there is a relro section,
1612 align the segment to the common page size.
1613 (Output_segment::set_section_addresses): Track whether we are
1614 looking at relro sections. If the last section is a relro
1615 section, align to the common page size.
1616 (Output_segment::set_section_list_addresses): Add in_relro
1617 parameter. Change all callers. Align to the page size when
1618 moving from relro to non-relro section.
1619 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
1621 * output.h (class Output_section): Add is_relro_ and
1622 is_relro_local_ fields.
1623 (Output_section::is_relro): New function.
1624 (Output_section::set_is_relro): New function.
1625 (Output_section::is_relro_local): New function.
1626 (Output_section::set_is_relro_local): New function.
1627 (class Output_segment): Update declarations.
1628 * i386.cc (Target_i386::got_section): Mark .got section as relro.
1629 * sparc.cc (Target_sparc::got_section): Likewise.
1630 * x86_64.cc (Target_x86_64::got_section): Likewise.
1631 * testsuite/relro_test_main.cc: New file.
1632 * testsuite/relro_test.cc: New file.
1633 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
1634 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
1635 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
1636 (relro_test.so, relro_test_pic.o): New targets.
1637 * testsuite/Makefile.in: Rebuild.
1639 2008-05-16 Ian Lance Taylor <iant@google.com>
1641 * output.cc (Output_segment::add_output_section): Remove front
1643 * output.h (class Output_segment): Remove
1644 add_initial_output_section and overloaded add_output_section.
1645 Update declaration of remaining add_output_section.
1646 * layout.cc (Layout::create_interp): Call add_output_section
1647 rather than add_initial_output_section.
1648 (Layout::finish_dynamic_section): Likewise.
1650 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
1651 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
1652 know the dynamic type.
1653 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
1654 field. Initialize it in constructor.
1655 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
1656 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
1657 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
1660 * output.cc (Output_reloc::get_address): Change return type to
1662 * output.h (class Output_reloc): Update get_address declaration.
1663 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
1664 for section addresses.
1666 2008-05-09 Ian Lance Taylor <iant@google.com>
1669 * gold.cc (gold_nomem): Use return value of write.
1671 2008-05-08 Ian Lance Taylor <iant@google.com>
1673 * symtab.c (Symbol::init_base_output_data): Add version
1674 parameter. Change all callers.
1675 (Symbol::init_base_output_segment): Likewise.
1676 (Symbol::init_base_constant): Likewise.
1677 (Symbol::init_base_undefined): Likewise.
1678 (Sized_symbol::init_output_data): Likewise.
1679 (Sized_symbol::init_output_segment): Likewise.
1680 (Sized_symbol::init_constant): Likewise.
1681 (Sized_symbol::init_undefined): Likewise.
1682 (Symbol_table::do_define_in_output_data): If the new symbol has a
1683 version, mark it as the default.
1684 (Symbol_table::do_define_in_output_segment): Likewise.
1685 (Symbol_table::do_define_as_constant): Likewise.
1686 * symtab.h (class Symbol): Update declarations.
1687 (class Sized_symbol): Likewise.
1688 * resolve.cc (Symbol::override_version): New function.
1689 (Symbol::override_base): Call override_version.
1690 (Symbol::override_base_with_special): Likewise.
1691 * testsuite/ver_script_8.script: New file.
1692 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
1693 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
1694 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
1695 (ver_test_8_1.so, ver_test_8_2.so): New targets.
1697 2008-05-06 Ian Lance Taylor <iant@google.com>
1700 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
1702 (class General_options): Remove existing --undefined, and add
1703 --no-undefined instead. Add new --undefined as synonym for -u.
1704 * archive.cc (Archive::add_symbols): Check whether symbol was
1706 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
1707 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
1708 all uses. Add IS_UNDEFINED. Update declarations to split
1709 different versions of init_base. Declare init_base_undefined.
1710 (Symbol::is_defined): Handle IS_UNDEFINED.
1711 (Symbol::is_undefined): Likewise.
1712 (Symbol::is_weak_undefined): Call is_undefined.
1713 (Symbol::is_absolute): Handle IS_CONSTANT.
1714 (class Sized_symbol): Update declarations to split different
1715 versions of init. Declare init_undefined.
1716 (class Symbol_table): Declare new functions.
1717 * symtab.cc (Symbol::init_base_object): Rename from init_base.
1719 (Symbol::init_base_output_data): Likewise.
1720 (Symbol::init_base_output_segment): Likewise.
1721 (Symbol::init_base_constant): Likewise.
1722 (Symbol::init_base_undefined): New function.
1723 (Sized_symbol::init_object): Rename from init. Change all
1725 (Sized_symbol::init_output_data): Likewise.
1726 (Sized_symbol::init_output_segment): Likewise.
1727 (Sized_symbol::init_constant): Likewise.
1728 (Sized_symbol::init_undefined): New function.
1729 (Symbol_table::add_undefined_symbols_from_command_line): New
1731 (Symbol_table::do_add_undefined_symbols_from_command_line): New
1733 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
1734 (Symbol::output_section): Likewise.
1735 (Symbol::set_output_section): Likewise.
1736 (Symbol_table::sized_finalize_symbol): Likewise.
1737 (Symbol_table::sized_write_globals): Likewise.
1738 * resolve.cc (Symbol_table::should_override): Likewise.
1739 (Symbol::override_base_with_special): Likewise.
1741 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
1742 symbol, change it to have default visibility.
1743 * testsuite/protected_1.cc: New file.
1744 * testsuite/protected_2.cc: New file.
1745 * testsuite/protected_3.cc: New file.
1746 * testsuite/protected_main_1.cc: New file.
1747 * testsuite/protected_main_2.cc: New file.
1748 * testsuite/protected_main_3.cc: New file.
1749 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
1750 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
1751 (protected_1_LDFLAGS, protected_1_LDADD): Define.
1752 (protected_1.so): New target.
1753 (protected_1_pic.o, protected_2_pic.o): New targets.
1754 (protected_3_pic.o): New target.
1755 (check_PROGRAMS): Add protected_2.
1756 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
1757 (protected_2_LDFLAGS, protected_2_LDADD): Define.
1758 * testsuite/Makefile.in: Rebuild.
1760 * options.h (DEFINE_var): Add set_user_set_##varname__.
1761 (DEFINE_bool_alias): New macro.
1762 (class General_options): Define -Bstatic using DEFINE_bool_alias
1763 rather than DEFINE_special. Add --undefined as an alias for -z
1765 * options.cc (General_options::parse_Bstatic): Remove.
1767 * options.h (class General_options): Add --fatal-warnings.
1768 * main.cc (main): Implement --fatal-warnings.
1769 * errors.h (Errors::warning_count): New function.
1771 * options.h (class General_options): Add -Bsymbolic-functions.
1772 * symtab.h (Symbol::is_preemptible): Check for
1773 -Bsymbolic-functions.
1775 2008-05-05 Ian Lance Taylor <iant@google.com>
1777 * options.h (DEFINE_bool): For DASH_Z, create the negative option
1778 as noVARNAME rather than no-VARNAME.
1779 (class General_options): Add option -z combreloc.
1780 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
1782 (Output_reloc::sort_before) [SHT_REL]: New function.
1783 (Output_reloc::sort_before) [SHT_RELA]: New function.
1784 (class Output_data_reloc_base): Add sort_relocs_ field. Define
1785 Sort_relocs_comparison.
1786 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
1787 parameter. Change all callers.
1788 (Output_data_reloc::Output_data_reloc) [both versions]: Add
1789 sort_relocs parameter. Change all callers.
1790 * output.cc (Output_reloc::get_address): New function, broken out
1792 (Output_reloc::write_rel): Call it.
1793 (Output_reloc::compare): New function.
1794 (Output_data_reloc_base::do_write): Optionally sort relocs.
1796 * configure.ac: If targ_extra_obj is set, link it in.
1797 * configure.tgt: Initialize all variables.
1798 (x86_64*): Set targ_extra_obj and targ_extra_size.
1799 * configure: Rebuild.
1801 * object.cc (Sized_relobj::include_section_group): Adjust section
1802 indexes read from group data. Build vector to pass to
1804 * layout.cc (Layout::layout_group): Add flags and shndxes
1805 parameters. Remove contents parameter. Change caller. Update
1806 explicit instantiations.
1807 * layout.h (class Layout): Update layout_group declaration.
1808 * output.cc (Output_data_group::Output_data_group): Add flags and
1809 input_shndxes parameters. Remove contents parameter. Change
1811 (Output_data_group::do_write): Change input_sections_ to
1813 * output.h (class Output_data_group): Update constructor
1814 declaration. Rename input_sections_ to input_shndxes_.
1815 * testsuite/many_sections_test.cc: Add template.
1817 2008-04-30 Cary Coutant <ccoutant@google.com>
1819 * target-reloc.h (relocate_section): Fix dead-pointer bug.
1821 * layout.cc (Layout::include_section): Refactored check for debug
1823 (Layout::add_comdat): Add new parameters. Change type
1824 of signature parameter. Add object and shndx to signatures table.
1825 (Layout::find_kept_object): New function.
1826 * layout.h: Include <cstring>.
1827 (Layout::is_debug_info_section): New function.
1828 (Layout::add_comdat): Add new parameters.
1829 (Layout::find_kept_object): New function.
1830 (Layout::Kept_section): New struct.
1831 (Layout::Signatures): Change type of map range.
1832 * object.cc (Relobj::output_section_address): New function.
1833 (Sized_relobj::include_section_group): Add new parameters. Change
1834 calls to Layout::add_comdat. Change to build table of kept comdat
1835 groups and table mapping discarded sections to kept sections.
1836 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
1837 (Sized_relobj::do_layout): Change calls to include_section_group and
1838 include_linkonce_section.
1839 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
1840 value to zero when section is discarded.
1841 (Sized_relobj::map_to_kept_section): New function.
1842 * object.h (Relobj::output_section_address): New function.
1843 (Relobj::Comdat_group): New type.
1844 (Relobj::find_comdat_group): New function.
1845 (Relobj::Comdat_group_table): New type.
1846 (Relobj::Kept_comdat_section): New type.
1847 (Relobj::Kept_comdat_section_table): New type.
1848 (Relobj::add_comdat_group): New function.
1849 (Relobj::set_kept_comdat_section): New function.
1850 (Relobj::get_kept_comdat_section): New function.
1851 (Relobj::comdat_groups_): New field.
1852 (Relobj::kept_comdat_sections_): New field.
1853 (Symbol_value::input_value): Update comment.
1854 (Sized_relobj::map_to_kept_section) New function.
1855 (Sized_relobj::include_linkonce_section): Add new parameter.
1856 * target-reloc.h (Comdat_behavior): New type.
1857 (get_comdat_behavior): New function.
1858 (relocate_section): Add code to map a discarded section to the
1859 corresponding kept section when applying a relocation.
1861 2008-04-30 Craig Silverstein <csilvers@google.com>
1863 * dwarf_reader.cc (next_generation_count): New static var.
1864 (Addr2line_cache_entry): New struct.
1865 (addr2line_cache): New static var.
1866 (Dwarf_line_info::one_addr2line): Added caching.
1867 (Dwarf_line_info::clear_addr2line_cache): New function.
1868 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
1869 cache-size parameter.
1870 (Dwarf_line_info::one_addr2line_cache): New function.
1871 * symtab.cc (Symbol_table::detect_odr_violations): Pass
1872 new cache-size argument to one_addr2line(), and clear cache.
1874 2008-04-28 Cary Coutant <ccoutant@google.com>
1876 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
1877 R_386_PC8 relocations.
1879 2008-04-23 Ian Lance Taylor <iant@google.com>
1881 * object.cc (Sized_relobj::include_section_group): Check for
1882 invalid section group.
1884 * object.cc (make_elf_object): Correct test for 64-bit ELF file
1887 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
1888 than read for file header.
1889 * archive.cc (Archive::include_member): Likewise.
1891 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
1893 * aclocal.m4: Regenerate.
1894 * configure: Regenerate.
1896 2008-04-19 Ian Lance Taylor <iant@google.com>
1898 * version.cc (version_string): Bump to 1.6.
1900 * testsuite/Makefile.am (many_sections_r_test): New target.
1901 (many_sections_r_test_SOURCES): Remove.
1902 (many_sections_r_test_DEPENDENCIES): Remove.
1903 (many_sections_r_test_LDFLAGS): Remove.
1904 (many_sections_r_test_LDADD): Remove.
1906 * object.cc (Sized_relobj::do_add_symbols): Always pass
1907 local_symbol_count_ to add_from_relobj.
1909 * testsuite/Makefile.am (many_sections_check.h): Only check one in
1910 every thousand variables.
1911 * testsuite/Makefile.in: Rebuild.
1913 * object.cc (Xindex::initialize_symtab_xindex): New function.
1914 (Xindex::read_symtab_xindex): New function.
1915 (Xindex::sym_xindex_to_shndx): New function.
1916 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
1918 (Sized_relobj::do_initialize_xindex): New function.
1919 (Sized_relobj::do_read_symbols): Adjust section links.
1920 (Sized_relobj::symbol_section_and_value): Add is_ordinary
1921 parameter. Change all callers.
1922 (Sized_relobj::include_section_group): Adjust section links and
1923 symbol section indexes.
1924 (Sized_relobj::do_layout): Adjust section links.
1925 (Sized_relobj::do_count_local_symbols): Adjust section links and
1926 symbol section indexes.
1927 (Sized_relobj::do_finalize_local_symbols): Distinguish between
1928 ordinary and special symbols.
1929 (Sized_relobj::write_local_symbols): Add symtab_xindex and
1930 dynsym_xindex parameters. Change all callers. Adjust section
1931 links. Use SHN_XINDEX when needed.
1932 (Sized_relobj::get_symbol_location_info): Adjust section links.
1933 Don't get fooled by special symbols.
1934 * object.h (class Xindex): Define.
1935 (class Object): Add xindex_ parameter. Declare virtual functoin
1936 do_initialize_xindex.
1937 (Object::adjust_sym_shndx): New function.
1938 (Object::set_xindex): New protected function.
1939 (class Symbol_value): Add is_ordinary_shndx_ field.
1940 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
1941 (Symbol_value::value): Assert ordinary section.
1942 (Symbol_value::initialize_input_to_output_map): Likewise.
1943 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
1945 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
1947 (class Sized_relobj): Update declarations.
1948 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
1949 parameter. Change all callers.
1950 (Sized_relobj::adjust_shndx): New function.
1951 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
1953 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
1954 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
1955 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
1956 (Sized_dynobj::read_dynsym_section): Adjust section links.
1957 (Sized_dynobj::read_dynamic): Likewise.
1958 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
1960 (Sized_dynobj::do_initialize_xindex): New function.
1961 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
1962 do_initialize_xindex.
1963 (Sized_dynobj::adjust_shndx): New function.
1964 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
1965 dynsym_xindex_ fields.
1966 (Layout::finalize): Add a call to set_section_indexes before
1967 creating the symtab sections.
1968 (Layout::set_section_indexes): Don't do anything if the section
1969 already has a section index.
1970 (Layout::create_symtab_sections): Add shnum parameter. Change
1971 caller. Create .symtab_shndx section if needed.
1972 (Layout::create_shdrs): Add shstrtab_section parameter. Change
1974 (Layout::allocated_output_section_count): New function.
1975 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
1977 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
1978 fields. Update declarations.
1979 (Layout::symtab_xindex): New function.
1980 (Layout::dynsym_xindex): New function.
1981 (class Write_symbols_task): Add layout_ field.
1982 (Write_symbols_task::Write_symbols_task): Add layout parameter.
1984 * output.cc (Output_section_headers::Output_section_headers): Add
1985 shstrtab_section parameter. Change all callers.
1986 (Output_section_headers::do_sized_write): Store overflow values
1987 for section count and section string table section index in
1988 section header zero.
1989 (Output_file_header::do_sized_write): Check for overflow of
1990 section count and section string table section index.
1991 (Output_symtab_xindex::do_write): New function.
1992 (Output_symtab_xindex::endian_do_write): New function.
1993 * output.h (class Output_section_headers): Add shstrtab_section_.
1994 Update declarations.
1995 (class Output_symtab_xindex): Define.
1996 (Output_section::has_out_shndx): New function.
1997 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
1999 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
2001 (Sized_symbol::init): Likewise.
2002 (Symbol::output_section): Check for ordinary symbol.
2003 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
2004 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
2006 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
2007 Change all callers. Simplify handling of symbols from sections
2008 not included in the link.
2009 (Symbol_table::add_from_dynobj): Handle ordinary symbol
2011 (Weak_alias_sorter::operator()): Assert that symbols are
2013 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
2015 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
2016 parameters. Change all callers.
2017 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
2018 symbol distinction. Use SHN_XINDEX when needed.
2019 (Symbol_table::write_section_symbol): Add symtab_xindex
2020 parameter. Change all callers.
2021 (Symbol_table::sized_write_section_symbol): Likewise. Use
2022 SHN_XINDEX when needed.
2023 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
2025 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
2026 (Symbol::is_defined): Check is_ordinary.
2027 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
2028 (Symbol::is_absolute, Symbol::is_common): Likewise.
2029 (class Sized_symbol): Update declarations.
2030 (class Symbol_table): Update declarations.
2031 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
2032 parameters. Change all callers.
2033 (Sized_symbol::override): Likewise.
2034 (Symbol_table::override): Likewise.
2035 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
2036 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
2037 is_ordinary, and orig_st_shndx parameters. Change all callers.
2038 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
2039 to be in an ordinary section.
2040 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
2041 object and is_ordinary parameters. Change all callers.
2042 (Sized_dwarf_line_info::read_relocs): Add object parameter.
2043 Change all callers. Don't add undefined or non-ordinary symbols
2045 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
2047 * dwarf_reader.h (class Sized_dwarf_line_info): Update
2049 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
2050 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
2051 (Sized_relobj::relocate_sections): Likewise.
2052 * target-reloc.h (scan_relocs): Adjust section symbol index.
2053 (scan_relocatable_relocs): Likewise.
2054 * i386.cc (Scan::local): Check for ordinary symbols.
2055 * sparc.cc (Scan::local): Likewise.
2056 * x86_64.cc (Scan::local): Likewise.
2057 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
2058 to symbol_section_and_value.
2059 * testsuite/many_sections_test.cc: New file.
2060 * testsuite/Makefile.am (BUILT_SOURCES): Define.
2061 (check_PROGRAMS): Add many_sections_test.
2062 (many_sections_test_SOURCES): Define.
2063 (many_sections_test_DEPENDENCIES): Define.
2064 (many_sections_test_LDFLAGS): Define.
2065 (BUILT_SOURCES): Add many_sections_define.h.
2066 (many_sections_define.h): New target.
2067 (BUILT_SOURCES): Add many_sections_check.h.
2068 (many_sections_check.h): New target.
2069 (check_PROGRAMS): Add many_sections_r_test.
2070 (many_sections_r_test_SOURCES): Define.
2071 (many_sections_r_test_DEPENDENCIES): Define.
2072 (many_sections_r_test_LDFLAGS): Define.
2073 (many_sections_r_test_LDADD): Define.
2074 (many_sections_r_test.o): New target.
2075 * testsuite/Makefile.in: Rebuild.
2077 2008-04-17 Cary Coutant <ccoutant@google.com>
2079 * errors.cc (Errors::info): New function.
2080 (gold_info): New function.
2081 * errors.h (Errors::info): New function.
2082 * gold.h (gold_info): New function.
2083 * object.cc (Input_objects::add_object): Print trace output.
2084 * options.cc (options::parse_set): New function.
2085 (General_options::parse_wrap): Deleted.
2086 (General_options::General_options): Deleted initializer.
2087 * options.h (options::String_set): New typedef.
2088 (options::parse_set): New function.
2089 (DEFINE_set): New macro.
2090 (General_options::wrap): Changed to use DEFINE_set. Changed
2091 callers of any_wrap_symbols and is_wrap_symbol.
2092 (General_options::trace, General_options::trace_symbol):
2094 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
2095 (General_options::wrap_symbols_): Deleted.
2096 * symtab.cc (Symbol_table::add_from_object): Print trace output.
2098 2008-04-17 David S. Miller <davem@davemloft.net>
2100 * options.cc (General_options::parse_V): New function.
2101 * options.h: Add entries for -V and -Qy.
2103 2008-04-17 Ian Lance Taylor <iant@google.com>
2105 * common.cc (Symbol_table::allocate_commons): Remove options
2106 parameter. Change caller.
2107 (Symbol_table::do_allocate_commons): Remove options parameter.
2108 Change caller. Just call do_allocate_commons_list twice.
2109 (Symbol_table::do_allocate_commons_list): New function, broken out
2110 of do_allocate_commons.
2111 * common.h (class Allocate_commons_task): Remove options_ field.
2113 * symtab.cc (Symbol_table::Symbol_table): Initialize
2115 (Symbol_table::add_from_object): Put TLS common symbols on
2117 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
2118 which are IN_OUTPUT_DATA.
2119 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
2120 allocate_commons and do_allocate_commons declarations. Declare
2121 do_allocate_commons_list.
2122 * gold.cc (queue_middle_tasks): Update creation of
2123 Allocate_commons_task to not pass options.
2124 * testsuite/Makefile.am (INCLUDES): Add -I.. .
2125 (TLS_TEST_C_FLAGS): New variable.
2126 (tls_test_c_pic.o): New target.
2127 (tls_test_shared.so): Link in tls_test_c_pic.o.
2128 (tls_test_c_pic_ie.o): New target.
2129 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
2130 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
2131 (tls_test_c.o): New target.
2132 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
2133 (tls_pic_test_LDADD): Likewise.
2134 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
2135 (tls_shared_gd_to_ie_test_LDADD): Likewise.
2136 (tls_test_c_gnu2.o): New target.
2137 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
2139 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
2140 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
2141 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
2142 * testsuite/tls_test.cc: Include "config.h".
2143 (t_last): Call t11_last.
2144 * testsuite/tls_test.h (t11, t11_last): Declare.
2145 * testsuite/tls_test_c.c: New file.
2146 * testsuite/tls_test_main.cc (thread_routine): Call t11.
2147 * configure.ac: Check for OpenMP support.
2148 * configure, config.in, Makefile.in: Rebuild.
2149 * testsuite/Makefile.in: Rebuild.
2151 2008-04-16 Cary Coutant <ccoutant@google.com>
2153 * i386.cc (Target_i386::define_tls_base_symbol): New function.
2154 (Target_i386::tls_base_symbol_defined_): New field.
2155 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2156 (Target_i386::Scan::global): Likewise.
2157 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
2158 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
2159 (Target_x86_64::tls_base_symbol_defined_): New field.
2160 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
2161 (Target_x86_64::Scan::global): Likewise.
2163 2008-04-16 Cary Coutant <ccoutant@google.com>
2165 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
2166 (Symbol::needs_plt_entry): Allow weak undefined symbols.
2167 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
2168 building shared libraries.
2169 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
2170 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
2171 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
2172 * testsuite/Makefile.in: Rebuild.
2173 * testsuite/weak_undef.h: New file.
2174 * testsuite/weak_undef_file1.cc: Add extra test cases.
2175 * testsuite/weak_undef_file2.cc: Likewise.
2176 * testsuite/weak_undef_test.cc: Likewise.
2178 2008-04-16 David S. Miller <davem@davemloft.net>
2180 * sparc.cc (Target_sparc::Scan): Change from struct to class.
2181 Add issued_non_pic_error_ field. Declare check_non_pic.
2182 (Target_sparc::Scan::check_non_pic): New function.
2183 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
2184 (Target_sparc::Scan::global): Likewise.
2186 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
2187 * configure: Rebuild.
2189 * options.h (DEFINE_enable): New macro.
2190 (new_dtags): New enable option.
2191 (initfirst, interpose, loadfltr, nodefaultlib,
2192 nodelete, nodlopen, nodump): New -z options.
2193 * layout.cc (Layout:finish_dynamic_section): If new
2194 dtags enabled, emit DT_RUNPATH. Also, emit a
2195 DT_FLAGS_1 containing any specified -z flags.
2197 2008-04-16 Ian Lance Taylor <iant@google.com>
2199 * copy-relocs.cc: New file.
2200 * copy-relocs.h: New file.
2201 * reloc.cc: Remove Copy_relocs code.
2202 * reloc.h: Likewise.
2203 * reloc-types.h (struct Reloc_types) [both versions]: Add
2204 get_reloc_addend_noerror.
2205 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
2206 variants of add_global which take an addend which must be zero.
2207 * i386.cc: Include "copy-relocs.h".
2208 (class Target_i386): Change type of copy_relocs_ to variable,
2210 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
2212 (Target_i386::do_finalize_sections): Change handling of
2214 * sparc.cc: Include "copy-relocs.h".
2215 (class Target_sparc): Change type of copy_relocs_ to variable,
2217 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
2219 (Target_sparc::do_finalize_sections): Change handling of
2221 * x86_64.cc: Include "copy-relocs.h".
2222 (class Target_x86_64): Change type of copy_relocs_ to variable,
2224 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
2225 class. Change all callers.
2226 (Target_x86_64::do_finalize_sections): Change handling of
2228 * Makefile.am (CCFILES): Add copy-relocs.cc.
2229 (HFILES): Add copy-relocs.h.
2231 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
2233 * testsuite/script_test_4.sh: Permit leading zeroes.
2235 2008-04-15 Ian Lance Taylor <iant@google.com>
2237 * script-sections.cc (Script_sections::create_segments): Use
2238 header_size_adjustment even when there is enough room for the
2240 * testsuite/script_test_4.sh: New file.
2241 * testsuite/script_test_4.t: New file.
2242 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
2243 (check_DATA): Add script_test_4.stdout.
2244 (MOSTLYCLEANFILES): Likewise.
2245 (script_test_4): New target.
2246 (script_test_4.stdout): New target.
2247 * testsuite/Makefile.in: Rebuild.
2249 * sparc.cc: Add definitions for Output_data_plt_sparc class
2252 2008-04-14 David S. Miller <davem@davemloft.net>
2254 * sparc.cc: New file.
2255 * Makefile.am (TARGETSOURCES): Add sparc.cc
2256 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
2257 * configure.tgt: Document targ_extra_size and
2258 targ_extra_big_endian. Add entries for sparc-* and
2260 * configure.ac: Handle targ_extra_size and
2261 targ_extra_big_endian.
2262 * Makefile.in: Rebuild.
2263 * configure: Likewise.
2264 * po/POTFILES.in: Likewise.
2265 * po/gold.pot: Likewise.
2267 2008-04-14 Ian Lance Taylor <iant@google.com>
2269 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
2270 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
2271 in the name/type/flags to section mapping. Don't call
2272 allocate_output_section.
2273 (Layout::choose_output_section): Change parameter from adjust_name
2274 to is_input_section. Don't permit input sections after sections
2275 are attached to segments. Don't call allocate_output_section.
2276 (Layout::layout_eh_frame): Call update_flags_for_input_section,
2277 not write_enable_output_section.
2278 (Layout::make_output_section): Don't push to
2279 unattached_section_list_ nor call attach_to_segment. Call
2280 attach_section_to_segment if sections are attached.
2281 (Layout::attach_sections_to_segments): New function.
2282 (Layout::attach_section_to_segment): New function.
2283 (Layout::attach_allocated_section_to_segment): Rename from
2284 attach_to_segment. Remove flags parameter.
2285 (Layout::allocate_output_section): Remove function.
2286 (Layout::write_enable_output_section): Remove function.
2287 * layout.h (class Layout): Update for above changes. Add new
2288 field sections_are_attached_.
2289 * output.h (Output_section::update_flags_for_input_section): New
2291 * output.cc (Output_section::add_input_section): Call
2292 update_flags_for_input_section.
2293 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2295 2008-04-11 Cary Coutant <ccoutant@google.com>
2297 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
2298 thought unnecessary.
2299 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2301 2008-04-11 Ian Lance Taylor <iant@google.com>
2303 * output.h (class Output_section_data): Remove inline definition
2305 * output.cc (Output_section_data::set_addralign): New function.
2307 2008-04-11 Cary Coutant <ccoutant@google.com>
2309 Add support for TLS descriptors for i386 and x86_64.
2310 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
2311 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
2312 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
2314 (Target_i386::got_mod_index_entry): Remove unnecessary code.
2315 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
2316 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
2318 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
2319 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
2320 Fix problem with initial-exec relocations.
2321 (Target_i386::Relocate::relocate_tls): Likewise.
2322 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
2324 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
2325 support for section-plus-offset dynamic table entries.
2326 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
2327 (Output_data_dynamic::Dynamic_entry): Add support for
2328 section-plus-offset dynamic table entries.
2329 (Output_data_dynamic::Classification): Likewise.
2330 (Output_data_dynamic::classification_): Renamed offset_.
2331 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
2332 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
2333 (Target_x86_64::make_plt_section): New function.
2334 (Target_x86_64::reserve_tlsdesc_entries): New function.
2335 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
2336 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
2337 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
2338 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
2339 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
2340 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
2341 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
2342 add extra PLT entry for TLS descriptors.
2343 (Output_data_plt_x86_64::got_): New field.
2344 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
2345 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
2347 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
2349 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
2350 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
2351 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
2352 R_386_TLS_DESC_CALL relocations.
2353 (Target_x86_64::Scan::global): Likewise.
2354 (Target_x86_64::do_finalize_sections): Add dynamic table entries
2355 for TLS descriptors.
2356 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
2357 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
2358 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
2359 GD-to-IE relaxation.
2360 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
2361 and TLS_DESCRIPTORS.
2362 * Makefile.in: Rebuild.
2363 * configure: Rebuild.
2364 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
2365 (tls_test_shared2.so): New target.
2366 (tls_shared_gd_to_ie_test_SOURCES): New variable.
2367 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
2368 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
2369 (tls_shared_gd_to_ie_test_LDADD): New variable.
2370 (tls_shared_gnu2_gd_to_ie_test): New target.
2371 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
2373 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
2374 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
2375 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
2376 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
2377 (tls_shared_gnu2_test): New target.
2378 (tls_test_gnu2_shared.so): New target.
2379 (tls_shared_gnu2_test_SOURCES): New variable.
2380 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
2381 (tls_shared_gnu2_test_LDFLAGS): New variable.
2382 (tls_shared_gnu2_test_LDADD): New variable.
2383 * testsuite/Makefile.in: Rebuild.
2384 * testsuite/Makefile.
2386 2008-04-11 Ian Lance Taylor <iant@google.com>
2388 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
2390 * testsuite/Makefile.in: Rebuild.
2392 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
2394 * testsuite/script_test_2.cc (main): Adjust test.
2396 2008-04-11 David S. Miller <davem@davemloft.net>
2397 Ian Lance Taylor <iant@google.com>
2399 * options.h (General_options): Add entries for '-Y' and
2401 * options.cc (General_options:finalize): If -Y was used, add those
2402 entries to the library path instead of the default "/lib" and
2405 2008-04-11 David S. Miller <davem@davemloft.net>
2407 * testsuite/justsyms.t: Start at 0x100.
2408 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
2409 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
2411 * testsuite/script_test_2.cc: Adjust string and section length
2414 2008-04-09 Ian Lance Taylor <iant@google.com>
2417 * script-sections.cc (Sections_element::allocate_to_segment): Add
2419 (Output_section_definition::allocate_to_segment): Likewise.
2420 (Orphan_output_section::allocate_to_segment): Likewise.
2421 (Script_sections::attach_sections_using_phdrs_clause): Don't
2422 propagate non-PT_LOAD segments to orphan sections.
2423 * testsuite/Makefile.am (script_test_3.stdout): Generate using
2424 readelf rather than objdump.
2425 * testsuite/script_test_3.sh: Adjust accordingly. Test that
2426 .interp section and PT_INTERP segment are the same size.
2427 * testsuite/Makefile.in: Rebuild.
2429 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
2430 aliases for symbols defined in the same object.
2431 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
2432 (weak_alias_test_SOURCES): New variable.
2433 (weak_alias_test_DEPENDENCIES): New variable.
2434 (weak_alias_test_LDFLAGS): New variable.
2435 (weak_alias_test_LDADD): New variable.
2436 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
2437 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
2438 (weak_alias_test_3.o): New target.
2439 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
2440 * testsuite/weak_alias_test_main.cc: New file.
2441 * testsuite/weak_alias_test_1.cc: New file.
2442 * testsuite/weak_alias_test_2.cc: New file.
2443 * testsuite/weak_alias_test_3.cc: New file.
2445 2008-04-08 Ian Lance Taylor <iant@google.com>
2447 * options.h (class General_options): Add --noinhibit-exec option.
2448 * main.cc (main): Check --noinhibit-exec.
2450 * options.h (class General_options): Define --wrap as a special
2451 option. Add wrap_symbols_ field.
2452 (General_options::any_wrap_symbols): New function.
2453 (General_options::is_wrap_symbol): New function.
2454 * options.cc (General_options::parse_wrap): New function.
2455 (General_options::General_options): Initialize wrap_symbols_.
2456 * symtab.cc (Symbol_table::wrap_symbol): New function.
2457 (Symbol_table::add_from_object): Handle --wrap.
2458 * symtab.h (class Symbol_table): Declare wrap_symbol.
2459 * target.h (Target::wrap_char): New function.
2460 (Target::Target_info): Add wrap_char field.
2461 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
2462 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2463 * testsuite/testfile.cc (Target_test::test_target_info):
2466 * errors.cc (Errors::undefined_symbol): Mention symbol version if
2469 * layout.h (class Layout): Add added_eh_frame_data_ field.
2470 * layout.cc (Layout::Layout): Initialize new field.
2471 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
2472 output section until we find a section we merged successfully.
2473 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
2474 that the size be non-zero.
2476 * merge.cc (Object_merge_map::get_output_offset): Remove inline
2479 2008-04-08 Craig Silverstein <csilvers@google.com>
2481 * configure.ac: Export new conditional variable HAVE_ZLIB.
2482 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
2484 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
2485 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2487 2008-04-07 Ian Lance Taylor <iant@google.com>
2489 * version.cc (version_string): Set to "1.5".
2491 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
2492 Add issued_non_pic_error_ field. Declare check_non_pic.
2493 (Target_x86_64::Scan::check_non_pic): New function.
2494 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
2495 (Target_x86_64::Scan::global): Likewise.
2497 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
2498 addend parameter. Change caller. Handle merge sections.
2499 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
2500 Address to Addend. Don't add in the result of
2501 local_section_offset, pass down the addend and use the returned
2503 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
2504 Update declarations of local_section_offset and symbol_value.
2505 * testsuite/two_file_test_1.cc (t18): New function.
2506 * testsuite/two_file_test_2.cc (f18): New function.
2507 * testsuite/two_file_test_main.cc (main): Call t18.
2508 * testsuite/two_file_test.h (t18, f18): Declare.
2510 * configure.ac: Don't test for objdump, c++filt, or readelf.
2511 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
2513 (TEST_READELF): New variable.
2514 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
2515 (check_PROGRAMS): Add two_file_strip_test.
2516 (two_file_strip_test): New target.
2517 (check_PROGRAMS): Add two_file_same_shared_strip_test.
2518 (two_file_same_shared_strip_test_SOURCES): New variable.
2519 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
2520 (two_file_same_shared_strip_test_LDFLAGS): New variable.
2521 (two_file_same_shared_strip_test_LDADD): New variable.
2522 (two_file_shared_strip.so): New target.
2523 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
2524 (ver_test_5.syms, ver_test_7.syms): Likewise.
2525 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
2526 (strip_test_3.stdout): Use TEST_OBJDUMP.
2527 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2529 2008-04-04 Cary Coutant <ccoutant@google.com>
2531 * symtab.h (Symbol::is_weak_undefined): New function.
2532 (Symbol::is_strong_undefined): New function.
2533 (Symbol::is_absolute): New function.
2534 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
2535 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
2537 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
2538 (weak_undef_test): New target.
2539 * testsuite/Makefile.in: Rebuild.
2540 * testsuite/weak_undef_file1.cc: New file.
2541 * testsuite/weak_undef_file2.cc: New file.
2542 * testsuite/weak_undef_test.cc: New file.
2544 2008-04-03 Craig Silverstein <csilvers@google.com>
2546 * compressed_output.h (class Output_compressed_section): Use
2548 * compressed_output.cc (zlib_compress): Use unsigned buffers,
2550 (zlib_compressed_suffix): Removed.
2551 (Output_compressed_section::set_final_data_size): Use unsigned
2553 * testsuite/Makefile.am (flagstest_compress_debug_sections):
2554 Fix linker invocation.
2555 (flagstest_o_specialfile_and_compress_debug_sections):
2557 * testsuite/Makefile.in: Regenerated.
2559 2008-04-02 David S. Miller <davem@davemloft.net>
2561 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
2562 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
2564 2008-04-02 Craig Silverstein <csilvers@google.com>
2568 2008-04-02 Ian Lance Taylor <iant@google.com>
2570 * fileread.cc (File_read::find_view): Add byteshift and vshifted
2571 parameters. Update for new key type to views_. Change all
2573 (File_read::read): Adjust for byteshift in returned view.
2574 (File_read::add_view): New function, broken out of
2576 (File_read::make_view): New function, broken out of
2578 (File_read::find_or_make_view): Add offset and aligned
2579 parameters. Rewrite accordingly. Change all callers.
2580 (File_read::get_view): Add offset and aligned parameters. Adjust
2581 for byteshift in return value.
2582 (File_read::get_lasting_view): Likewise.
2583 * fileread.h (class File_read): Update declarations.
2584 (class File_read::View): Add byteshift_ field. Add byteshift to
2585 constructor. Add byteshift method.
2586 * archive.h (Archive::clear_uncached_views): New function.
2587 (Archive::get_view): Add aligned parameter. Change all callers.
2588 * object.h (Object::get_view): Add aligned parameter. Change all
2590 (Object::get_lasting_view): Likewise.
2592 * fileread.cc (File_read::release): Don't call clear_views if
2593 there are multiple objects.
2594 * fileread.h (File_read::clear_uncached_views): New function.
2595 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
2598 2008-03-31 Cary Coutant <ccoutant@google.com>
2600 Add thin archive support.
2601 * archive.cc (Archive::armagt): New const.
2602 (Archive::setup): Remove task parameter and calls to unlock.
2603 (Archive::unlock_nested_archives): New function.
2604 (Archive::read_header): Add nested_off parameter. Change
2606 (Archive::interpret_header): Likewise.
2607 (Archive::include_all_members): Change to handle thin
2609 (Archive::include_member): Likewise.
2610 * archive.h (Archive::Archive): Add new parameters and
2612 (Archive::armagt): New const.
2613 (Archive::setup): Remove task parameter.
2614 (Archive::unlock_nested_archives): New function.
2615 (Archive::read_header): Add nested_off parameter.
2616 (Archive::interpret_header): Likewise.
2617 (Archive::Nested_archive_table): New typedef.
2618 (Archive::is_thin_archive_): New field.
2619 (Archive::nested_archives_): New field.
2620 (Archive::options_): New field.
2621 (Archive::dirpath_): New field.
2622 (Archive::task_): New field.
2623 * readsyms.cc (Read_symbols::do_read_symbols): Add check
2624 for thin archives. Pass additional parameters to
2625 Archive::Archive. Unlock the archive file after calling
2628 2008-03-29 Ian Lance Taylor <iant@google.com>
2630 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
2631 version symbol to be local.
2632 * testsuite/ver_test_4.sh: New file.
2633 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
2634 (check_DATA): Add ver_test_4.syms.
2635 (ver_test_4.syms): New target.
2636 * testsuite/Makefile.in: Rebuild.
2639 (Output_section::Input_section_sort_entry::has_priority): New
2641 (Output_section::Input_section_sort_entry::match_file_name): New
2643 (Output_section::Input_section_sort_entry::match_section_name):
2645 (Output_section::Input_section_sort_entry::match_section_name_prefix):
2647 (Output_section::Input_section_sort_entry::match_section_file):
2649 (Output_section::Input_section_sort_compare::operator()): Rewrite
2650 using new Input_section_sort_entry functions. Sort crtbegin and
2651 crtend first. Sort sections with no priority before sections with
2653 * testsuite/initpri1.c (d3): Check j != 4.
2654 (cd5): New constructor/destructor function.
2655 (main): Check j != 2.
2657 * symtab.cc (Symbol_table::add_from_object): If we don't use the
2658 new symbol when resolving, don't call set_is_default.
2659 * testsuite/ver_test_7.cc: New file.
2660 * testsuite/ver_test_7.sh: New file.
2661 * testsuite/Makefile.am (ver_test_7.so): New target.
2662 (ver_test_7.o): New target.
2663 (check_SCRIPTS): Add ver_test_7.sh.
2664 (check_DATA): Add ver_test_7.syms.
2665 (ver_test_7.syms): New target.
2667 2008-03-28 Ian Lance Taylor <iant@google.com>
2669 * layout.cc (Layout::layout): If we see an input section with a
2670 name that needs sorting, set the must_sort flag for the output
2672 (Layout::make_output_section): If the name of the output section
2673 indicates that it might require sorting, set the may_sort flag.
2674 * output.h (Output_section::may_sort_attached_input_sections): New
2676 (Output_section::set_may_sort_attached_input_sections): New
2678 (Output_section::must_sort_attached_input_sections): New
2680 (Output_section::set_must_sort_attached_input_sections): New
2682 (class Output_section): Declare Input_section_sort_entry. Define
2683 Input_section_sort_compare. Declare
2684 sort_attached_input_sections. Add new fields:
2685 may_sort_attached_input_sections_,
2686 must_sort_attached_input_sections_,
2687 attached_input_sections_are_sorted_.
2688 * output.cc (Output_section::Output_section): Initialize new
2690 (Output_section::add_input_section): Add an entry to
2691 input_sections_ if may_sort or must_sort are true.
2692 (Output_section::set_final_data_size): Call
2693 sort_attached_input_sections if necessary.
2694 (Output_section::Input_section_sort_entry): Define new class.
2695 (Output_section::Input_section_sort_compare::operator()): New
2697 (Output_section::sort_attached_input_sections): New function.
2698 * configure.ac: Check whether the compiler supports constructor
2699 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
2700 * testsuite/initpri1.c: New file.
2701 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
2702 CONSTRUCTOR_PRIORITY.
2703 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
2704 (initpri1_LDFLAGS): New variable.
2705 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2707 2008-03-27 Ian Lance Taylor <iant@google.com>
2709 * common.cc (Sort_commons::operator): Correct sorting algorithm.
2710 * testsuite/common_test_1.c: New file.
2711 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
2712 (common_test_1_SOURCES): New variable.
2713 (common_test_1_DEPENDENCIES): New variable.
2714 (common_test_1_LDFLAGS): New variable.
2716 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
2717 and commons_ correctly when NAME/VERSION does not override
2719 * testsuite/ver_test_6.c: New file.
2720 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
2721 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
2722 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2724 2008-03-26 Ian Lance Taylor <iant@google.com>
2726 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
2727 of an undefined symbol from a version script.
2728 * testsuite/Makefile.am (ver_test_5.so): New target.
2729 (ver_test_5.o): New target.
2730 (check_SCRIPTS): Add ver_test_5.sh.
2731 (check_DATA): Add ver_test_5.syms.
2732 (ver_test_5.syms): New target.
2733 * testsuite/ver_test_5.cc: New file.
2734 * testsuite/ver_test_5.script: New file.
2735 * testsuite/ver_test_5.sh: New file.
2736 * Makefile.in, testsuite/Makefile.in: Rebuild.
2739 Fix problems building gold with gcc 4.3.0.
2740 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
2741 (gold_error_at_location, gold_warning_at_location): Use it.
2742 * configure.ac: Check whether we can compile and use a template
2743 function with a printf attribute.
2744 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
2745 when jumping over bytes.
2746 * object.cc: Instantiate Object::read_section_data.
2747 * debug.h: Include <cstring>
2748 * dwarf_reader.cc: Include <algorithm>
2749 * main.cc: Include <cstring>.
2750 * options.cc: Include <cstring>.
2751 * output.cc: Include <cstring>.
2752 * script.cc: Include <cstring>.
2753 * script.h: Include <string>.
2754 * symtab.cc: Include <cstring> and <algorithm>.
2755 * target-select.cc: Include <cstring>.
2756 * version.cc: Include <string>.
2757 * testsuite/testmain.cc: Include <cstdlib>.
2758 * configure, config.in: Rebuild.
2760 2008-03-25 Ian Lance Taylor <iant@google.com>
2762 * options.cc: Include "../bfd/bfdver.h".
2763 (options::help): Print bug reporting address.
2765 * version.cc (print_version): Adjust output for current value of
2770 * options.cc (options::help): Print list of supported targets.
2771 * target-select.h: Include <vector>.
2772 (class Target_selector): Make machine_, size_, and is_big_endian_
2773 fields const. Add bfd_name_ and instantiated_target_ fields.
2774 (Target_selector::Target_selector): Add bfd_name parameter.
2775 (Target_selector::recognize): Make non-virtual, call
2777 (Target_selector::recognize_by_name): Make non-virtual, call
2778 do_recognize_by_name.
2779 (Target_selector::supported_names): New function.
2780 (Target_selector::bfd_name): New function.
2781 (Target_selector::do_instantiate_target): New pure virtual
2783 (Target_selector::do_recognize): New virtual function.
2784 (Target_selector::do_recognize_by_name): New virtual function.
2785 (Target_selector::instantiate_target): New private function.
2786 (supported_target_names): Declare.
2787 * target-select.cc (Target_selector::Target_selector): Update for
2788 new parameter and fields.
2789 (select_target_by_name): Check that the name matches before
2790 calling recognize_by_name.
2791 (supported_target_names): New function.
2792 * i386.cc (class Target_selector_i386): Update Target_selector
2793 constructor call. Remove recognize and recognize_by_name. Add
2794 do_instantiate_target.
2795 * x86_64.cc (class Target_selector_x86_64): Likewise.
2796 * testsuite/testfile.cc (class Target_selector_test): Update for
2797 changes to Target_selector.
2799 * README: Rewrite, with some notes on unsupported features.
2801 2008-03-24 Cary Coutant <ccoutant@google.com>
2803 * i386.cc (Target_i386::Got_type): New enum declaration.
2804 (Target_i386::Scan::local): Updated callers of Output_data_got
2806 (Target_i386::Scan::global): Likewise.
2807 (Target_i386::Relocate::relocate): Likewise.
2808 (Target_i386::Relocate::relocate_tls): Likewise.
2809 * object.h (Got_offset_list): New class.
2810 (Sized_relobj::local_has_got_offset): Added got_type parameter.
2811 (Sized_relobj::local_got_offset): Likewise.
2812 (Sized_relobj::set_local_got_offset): Likewise.
2813 (Sized_relobj::local_has_tls_got_offset): Removed.
2814 (Sized_relobj::local_tls_got_offset): Removed.
2815 (Sized_relobj::set_local_tls_got_offset): Removed.
2816 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
2817 * output.cc (Output_data_got::add_global): Added got_type parameter.
2818 (Output_data_got::add_global_with_rel): Likewise.
2819 (Output_data_got::add_global_with_rela): Likewise.
2820 (Output_data_got::add_global_pair_with_rel): New function.
2821 (Output_data_got::add_global_pair_with_rela): New function.
2822 (Output_data_got::add_local): Added got_type parameter.
2823 (Output_data_got::add_local_with_rel): Likewise.
2824 (Output_data_got::add_local_with_rela): Likewise.
2825 (Output_data_got::add_local_pair_with_rel): New function.
2826 (Output_data_got::add_local_pair_with_rela): New function.
2827 (Output_data_got::add_global_tls): Removed.
2828 (Output_data_got::add_global_tls_with_rel): Removed.
2829 (Output_data_got::add_global_tls_with_rela): Removed.
2830 (Output_data_got::add_local_tls): Removed.
2831 (Output_data_got::add_local_tls_with_rel): Removed.
2832 (Output_data_got::add_local_tls_with_rela): Removed.
2833 * output.h (Output_data_got::add_global): Added got_type parameter.
2834 (Output_data_got::add_global_with_rel): Likewise.
2835 (Output_data_got::add_global_with_rela): Likewise.
2836 (Output_data_got::add_global_pair_with_rel): New function.
2837 (Output_data_got::add_global_pair_with_rela): New function.
2838 (Output_data_got::add_local): Added got_type parameter.
2839 (Output_data_got::add_local_with_rel): Likewise.
2840 (Output_data_got::add_local_with_rela): Likewise.
2841 (Output_data_got::add_local_pair_with_rel): New function.
2842 (Output_data_got::add_local_pair_with_rela): New function.
2843 (Output_data_got::add_global_tls): Removed.
2844 (Output_data_got::add_global_tls_with_rel): Removed.
2845 (Output_data_got::add_global_tls_with_rela): Removed.
2846 (Output_data_got::add_local_tls): Removed.
2847 (Output_data_got::add_local_tls_with_rel): Removed.
2848 (Output_data_got::add_local_tls_with_rela): Removed.
2849 * resolve.cc (Symbol::override_base_with_special): Removed
2850 reference to has_got_offset_ field.
2851 * symtab.cc (Symbol::init_fields): Replaced initialization
2852 of got_offset_ with got_offsets_. Removed initialization
2854 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
2855 (Symbol::got_offset): Likewise.
2856 (Symbol::set_got_offset): Likewise.
2857 (Symbol::has_tls_got_offset): Removed.
2858 (Symbol::tls_got_offset): Removed.
2859 (Symbol::set_tls_got_offset): Removed.
2860 (Symbol::got_offset_): Removed.
2861 (Symbol::tls_mod_got_offset_): Removed.
2862 (Symbol::tls_pair_got_offset_): Removed.
2863 (Symbol::got_offsets_): New field.
2864 (Symbol::has_got_offset): Removed.
2865 (Symbol::has_tls_mod_got_offset): Removed.
2866 (Symbol::has_tls_pair_got_offset): Removed.
2867 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
2868 (Target_x86_64::Scan::local): Updated callers of Output_data_got
2870 (Target_x86_64::Scan::global): Likewise.
2871 (Target_x86_64::Relocate::relocate): Likewise.
2872 (Target_x86_64::Relocate::relocate_tls): Likewise.
2874 2008-03-25 Ben Elliston <bje@au.ibm.com>
2876 * yyscript.y: Fix spelling error in comment.
2878 2008-03-24 Ian Lance Taylor <iant@google.com>
2880 * options.h (class General_options): Define build_id option.
2881 * layout.h (class Layout): Declare write_build_id, create_note,
2882 create_build_id. Add build_id_note_ member.
2883 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
2884 "libiberty.h", "md5.h", "sha1.h".
2885 (Layout::Layout): Initialize eh_frame_data_,
2886 eh_frame_hdr_section_, and build_id_note_.
2887 (Layout::finalize): Call create_build_id.
2888 (Layout::create_note): New function, broken out of
2889 Layout::create_gold_note.
2890 (Layout::create_gold_note): Call create_note.
2891 (Layout::create_build_id): New function.
2892 (Layout::write_build_id): New function.
2893 (Close_task_runner::run): Call write_build_id.
2895 * x86_64.cc: Correct license to GPLv3.
2897 2008-03-23 Ian Lance Taylor <iant@google.com>
2899 * options.cc: Include "demangle.h".
2900 (parse_optional_string): New function.
2901 (parse_long_option): Handle takes_optional_argument.
2902 (parse_short_option): Update dash_z initializer. Handle
2903 takes_optional_argument.
2904 (General_options::General_options): Initialize do_demangle_.
2905 (General_options::finalize): Set do_demangle_. Handle demangling
2907 * options.h (parse_optional_string): Declare.
2908 (struct One_option): Add optional_arg field. Update constructor.
2909 Update call constructor calls. Add takes_optional_argument
2911 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
2912 (DEFINE_optional_string): Define.
2913 (General_options::demangle): Change from DEFINE_bool to
2914 DEFINE_optional_string.
2915 (General_options::no_demangle): New function.
2916 (General_options::do_demangle): New function.
2917 (General_options::set_do_demangle): New function.
2918 (General_options::execstack_status_): Move definition to end of
2920 (General_options::static_): Likewise.
2921 (General_options::do_demangle_): New field.
2922 * object.cc (big_endian>::get_symbol_location_info): Call
2923 Options::do_demangle, not Options::demangle.
2924 * symtab.cc (demangle): Likewise.
2926 2008-03-22 Ian Lance Taylor <iant@google.com>
2928 * gold.h: Include <cstddef> and <sys/types.h>
2929 * options.h: Include <cstring>.
2931 2008-03-21 Ian Lance Taylor <iant@google.com>
2933 * Added source code to GNU binutils.