1 2010-01-10 Ian Lance Taylor <iant@google.com>
3 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4 candidates before doing symbol resolution.
6 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7 ODR candidates if only one is weak.
9 2010-01-08 Ian Lance Taylor <iant@google.com>
11 * script.cc (Version_script_info::build_expression_list_lookup):
12 Don't warn about ambiguous version, just record the ambiguity.
13 (Version_script_info::get_symbol_version_helper): Give error if
16 2010-01-08 Doug Kwan <dougkwan@google.com>
18 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
19 prev_data_size_ and prev_addralign_. Remove initializer for
20 deleted data member has_been_changed_.
21 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
22 to determine if the table is empty.
23 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
25 (Stub_table::add_reloc_stub): Define method in class definition
26 instead of just declaring it there.
27 (Stub_table::add_cortex_a8_stub): New method definition.
28 (Stub_table::update_data_size_and_addralign): Ditto.
29 (Stub_table::finalize_stubs): Ditto.
30 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
31 (Stub_table::do_addralign_): Return address alignment in the
32 (Stub_table::do_reset_address_and_file_offset): Define method in
33 class definition instead of declaring it there. Set current data
34 size to be the data size of the previous pass.
35 (Stub_table::set_final_data_size): Use current data size as the
37 (Stub_table::relocate_stub): Change parameter type of stub from
38 Reloc_stub pointer to Stub pointer.
39 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
40 (Stub_table::Cortex_a8_stub_list): New typedef.
41 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
42 Stub_table::prev_addralign_): New data member.
43 (Arm_relobj::Arm_relobj): Initialize data member
44 section_has_cortex_a8_workaround_.
45 (Arm_relobj::section_has_cortex_a8_workaround,
46 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
48 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
50 (Target_arm::relocate_stub): Change parameter type of stub from
51 Reloc_stub pointer to Stub pointer.
52 (Insn_template::size, Insn_template::alignment): Handle
54 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
55 Stub_table::update_data_size_and_addralign,
56 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
58 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
59 (Stub_table::do_write): Ditto.
60 (Target_arm::do_relax): Adjust code for changes in Stub_table.
62 2010-01-08 Ian Lance Taylor <iant@google.com>
65 * symtab.h (class Symbol): Remove fields is_target_special_ and
66 has_plt_offset_. Add field is_defined_in_discarded_section_.
67 (Symbol::is_defined_in_discarded_section): New function.
68 (Symbol::set_is_defined_in_discarded_section): New function.
69 (Symbol::has_plt_offset): Rewrite.
70 (Symbol::set_plt_offset): Verify that new offset is not -1U.
71 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
72 Don't initialize is_target_special_ or has_plt_offset_.
73 Initialize is_defined_in_discarded_section_.
74 (Symbol_table::add_from_relobj): If appropriate, set
75 is_defined_in_discarded_section.
76 * resolve.cc (Symbol::override_base_with_special): Don't test
77 is_target_special_. Change has_plt_offset_ to has_plt_offset().
78 * target-reloc.h (relocate_section): Do special handling for
79 symbols defined in discarded sections for global symbols as well
82 2010-01-08 Ian Lance Taylor <iant@google.com>
84 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
87 2010-01-08 Ian Lance Taylor <iant@google.com>
89 * object.cc (Sized_relobj::do_layout): Don't get confused if
90 layout_eh_frame returns NULL.
92 2010-01-08 Ian Lance Taylor <iant@google.com>
95 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
96 dynamic symbol table, use the normal symbol table.
97 (Sized_dynobj::do_read_symbols): Remove assertion about type of
100 2010-01-08 Ian Lance Taylor <iant@google.com>
103 * layout.cc (Layout::include_section): Remove .gnu_debuglink
106 2010-01-08 H.J. Lu <hongjiu.lu@intel.com>
108 * version.cc (print_version): Change to "Copyright 2010".
110 2010-01-08 Ian Lance Taylor <iant@google.com>
114 * i386.cc (class Target_i386): Change return type of plt_section
116 (class Output_data_plt_i386): Add tls_desc_rel_ field.
117 (Output_data_plt_i386::Output_data_plt_i386): Initialize
119 (Output_data_plt_i386::rel_tls_desc): New function.
120 (Target_i386::rel_tls_desc_section): New function.
121 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
122 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
123 R_386_TLS_DESC reloc in rel_tls_desc_section.
124 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
125 Define struct Tlsdesc_info.
126 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
127 (Target_x86_64::do_reloc_symbol_index): New function.
128 (Target_x86_64::add_tlsdesc_info): New function.
129 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
130 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
132 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
134 (Output_data_plt_x86_64::rela_tlsdesc): New function.
135 (Target_x86_64::rela_tlsdesc_section): New function.
136 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
138 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
139 (Target_x86_64::do_reloc_addend): New function.
140 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
141 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
142 declarations. Define TARGET_CODE. Add arg field to u1_ union.
143 (Output_reloc::type): New function.
144 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
145 (Output_reloc::is_target_specific): New function.
146 (Output_reloc::target_arg): New function.
147 (class Output_reloc) [SHT_RELA]: Add four new constructors for
148 absolute relocs and target specific relocs.
149 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
151 (class Output_data_reloc) [SHT_RELA]: Likewise.
152 * output.cc (Output_reloc::Output_reloc): Add four new versions
153 for absolute relocs and target specific relocs.
154 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
155 (Output_reloc::get_symbol_index): Likewise.
156 (Output_reloc::local_section_offset): Check that local_sym_index_
157 is not TARGET_CODE or 0.
158 (Output_reloc::symbol_value): Likewise.
159 (Output_reloc::write) [SHT_RELA]: Call target for target specific
161 * target.h (class Target): Add reloc_symbol_index and reloc_addend
162 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
164 * layout.cc (add_target_dynamic_tags): Use output section for
165 DT_PLTRELSZ and DT_JMPREL.
167 2010-01-07 Ian Lance Taylor <iant@google.com>
170 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
172 (class Output_data_reloc_generic): Define.
173 (class Output_data_reloc_base): Change base class to
174 Output_data_reloc_generic. Change add() method to call
175 bump_relative_reloc_count for a relative reloc. Remove
177 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
179 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
180 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
182 * layout.h (class Layout): Update declaration.
184 2010-01-07 Ian Lance Taylor <iant@google.com>
186 * output.h (class Output_data): Add const version of
187 output_section and do_output_section.
188 (class Output_section_data): Add const version of
190 (class Output_section): Likewise.
191 * layout.cc (Layout::add_target_dynamic_tags): New function.
192 * layout.h (class Layout): Update declarations.
193 * arm.cc (Target_arm::do_finalize_sections): Use
194 add_target_dynamic_tags.
195 * i386.cc (Target_i386::do_finalize_sections): Likewise.
196 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
197 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
198 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
200 2010-01-07 Ian Lance Taylor <iant@google.com>
203 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
206 2010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
207 Ian Lance Taylor <iant@google.com>
210 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
211 Xindex::read_symtab_xindex.
213 2010-01-07 Doug Kwan <dougkwan@google.com>
215 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
216 (Insn_template::thumb16_bcond_insn): New method declaration.
217 (Insn_template): Fix spelling.
218 (Stub::thumb16_special): New method declaration.
219 (Stub::do_write): Define virtual method which was previously pure
221 (Stub::do_thumb16_special): New method declaration.
222 (Stub::do_fixed_endian_write): New template member.
223 (Reloc_stub::do_write): Remove.
224 (Reloc_stub::do_fixed_endian_write): Remove.
225 (Cortex_a8_stub): New class definition.
226 (Stub_factory::make_cortex_a8_stub): New method definition.
227 (Stub_factory::Stub_factory): Add missing static storage class
228 qualifier for elf32_arm_stub_a8_veneer_blx.
230 2010-01-07 Ian Lance Taylor <iant@google.com>
233 * options.h (class General_options): Add --warn-unresolved-symbols
234 and --error-unresolved-symbols.
235 * errors.cc (Errors::undefined_symbol): Implement
236 --warn-unresolved-symbols.
238 * options.h (class General_options): Add -z text and -z textoff.
239 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
241 2010-01-06 Sriraman Tallam <tmsriram@google.com>
243 * gc.h (Garbage_collection::Cident_section_map): New typedef.
244 (Garbage_collection::cident_sections): New function.
245 (Garbage_collection::add_cident_section): New function.
246 (Garbage_collection::cident_sections_): New member.
247 (gc_process_relocs): Add references to sections whose names are C
249 * gold.h (cident_section_start_prefix): New constant.
250 (cident_section_stop_prefix): New constant.
251 (is_cident): New function.
252 * layout.cc (Layout::define_section_symbols): Replace string constants
253 with the newly defined constants.
254 * object.cc (Sized_relobj::do_layout): Track sections whose names are
256 * testsuite/Makefile.am: Add gc_orphan_section_test.
257 * testsuite/Makefile.in: Regenerate.
258 * testsuite/gc_orphan_section_test.cc: New file.
259 * testsuite/gc_orphan_section_test.sh: New file.
261 2010-01-06 Ian Lance Taylor <iant@google.com>
264 * options.h (class General_options): Add --warn-shared-textrel.
265 * layout.cc (Layout::finish_dynamic_section): Implement
266 --warn-shared-textrel.
269 * options.h (class General_options): Add --warn-multiple-gp.
271 2010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
273 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
274 $(THREADSLIB) and $(LIBDL).
275 * Makefile.in: Rebuild.
277 2010-01-06 Ian Lance Taylor <iant@google.com>
280 * options.cc (General_options::parse_section_start): New function.
281 (General_options::section_start): New function.
282 (General_options::General_options): Initialize all members.
283 * options.h: Include <map>
284 (class General_options): Add --section-start. Add section_starts_
286 * layout.cc (Layout::attach_allocated_section_to_segment): If
287 --section-start was used, set the address of the segment. Remove
289 (Layout::relaxation_loop_body): If the address of the load segment
290 has been set by --section-start, don't use it.
291 * output.h (Output_segment::update_flags_for_output_section): New
293 * output.cc (Output_segment::add_output_section): Call
294 update_flags_for_output_section.
296 2010-01-05 Ian Lance Taylor <iant@google.com>
299 * options.h (class General_options): Add --undefined-version.
300 * script.cc (struct Version_expression): Add was_matched_by_symbol
302 (Version_script_info::matched_symbol): New function.
303 (Version_script_info::get_symbol_version_helper): Call
305 (Version_script_info::check_unmatched_names): New function.
306 * script.h (class Version_script_info): Update declarations.
307 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
309 * options.h (class General_options): Use DEFINE_bool_alias for
310 allow_multiple_definition.
311 * resolve.cc (Symbol_table::should_override): Don't test
312 allow_multiple_definition.
315 * options.h (class General_options): Add --cref.
316 * main.cc (main): Print cref table if --cref. Don't close mapfile
317 until after printing cref table.
318 * cref.cc: Include "symtab.h".
319 (class Cref_inputs): Define Cref_table_compare and Cref_table.
320 (Cref_table_compare::operator()): New function.
321 (Cref_inputs::gather_cref): New function.
322 (filecol): New static const.
323 (Cref_inputs::print_cref): New function.
324 (Cref::print_cref): New function.
325 * cref.h: Include <cstdio>.
326 (class Cref): Update declarations.
327 * mapfile.h (Mapfile::file): New function.
328 * object.h (class Object): Define Symbols. Declare virtual
329 do_get_global_symbols.
330 (Object::get_global_symbols): New function.
331 * object.cc (Input_objects::add_object): Pass object to cref_ if
333 (Input_objects::archive_start): Likewise.
334 (Input_objects::archive_stop): Likewise.
335 (Input_objects::print_cref): New function.
336 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
337 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
339 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
341 * plugin.h (class Sized_pluginobj): Update declarations.
343 2010-01-05 Ian Lance Taylor <iant@google.com>
345 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
346 to is_default_version. Rename insdef to insdefault.
347 (Symbol_table::add_from_relobj): Rename def to is_default_version
348 and local to is_forced_local.
349 (Symbol_table::add_from_pluginobj): Likewise.
350 (Symbol_table::add_from_dynobj): Likewise.
351 (Symbol_table::define_special_symbol): Rename insdef to
354 2010-01-04 Ian Lance Taylor <iant@google.com>
357 * options.h (class General_options): Add
358 --allow-multiple-definition and -z muldefs.
359 * resolve.cc (Symbol_table::should_override): Don't warn about a
360 multiple symbol definition if --allow-multiple-definition or -z
364 * options.h (class General_options): Add --add-needed and
365 --copy-dt-needed-entries. Tweak --as-needed help entry.
366 * object.cc (Input_objects::check_dynamic_dependencies): Give an
367 error if --copy-dt-needed-entries aka --add-needed is used and
368 would cause a change in behaviour.
371 * options.h (class General_options): Add -G as a short version of
372 --shared. Add no-op options -assert, -g, and -i.
374 2010-01-04 Sriraman Tallam <tmsriram@google.com>
376 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
377 check for .text or .gnu.linkonce.t sections.
378 * icf.cc (Icf::find_identical_sections): Ditto.
379 Change the detection for mangled function name within the section
381 * icf.h (is_section_foldable_candidate): New function.
383 2009-12-30 Ian Lance Taylor <iant@google.com>
386 * options.h (class General_options): Permit two dashes with
387 --retain-symbols-file.
389 2009-12-30 Ian Lance Taylor <iant@google.com>
392 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
393 don't put the file header and segment headers in the text
397 * common.cc (Sort_commons::operator()): Stabilize sort when both
399 (Symbol_table::do_allocate_commons_list): When allocating common
400 symbols, skip a symbol which is no longer common.
401 * symtab.h (Symbol::is_common): Test whether the symbol comes from
402 an object before checking its type.
403 * testsuite/common_test_2.c: New file.
404 * testsuite/common_test_3.c: New file.
405 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
406 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
407 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
408 (common_test_2_pic.o, common_test_2.so): New targets.
409 (common_test_3_pic.o, common_test_3.so): New targets.
410 * testsuite/Makefile.in: Rebuild.
413 * script.cc (read_input_script): If we see a new SECTIONS clause,
414 and we have added an input section, give an error.
415 * layout.h (class Layout): Add have_added_input_section function.
416 Add have_added_input_section_ field.
417 * layout.cc (Layout::Layout): Initialize
418 have_added_input_section_.
419 (Layout::layout): Set have_added_input_section_.
420 (Layout::layout_eh_frame): Likewise.
422 2009-12-30 Ian Lance Taylor <iant@google.com>
425 * options.h (class General_options): Add --sort-common option.
426 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
427 * common.cc (Sort_common): Add sort_order parameter to
428 constructor. Add sort_order_ field.
429 (Sort_commons::operator): Check sort_order_.
430 (Symbol_table::allocate_commons): Determine the sort order.
431 (Symbol_table::do_allocate_commons): Add sort_order parameter.
433 (Symbol_table::do_allocate_commons_list): Likewise.
435 2009-12-30 Ian Lance Taylor <iant@google.com>
438 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
439 symbols from this object, don't change the visibility of an
441 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
443 2009-12-30 Ian Lance Taylor <iant@google.com>
446 * script.h (class Version_script_info): Define Language enum.
447 Update declarations. Define Glob, Exact, and Lookup types. Add
448 new fields globals_, locals_, and is_finalized_.
449 * script.cc: Various formatting fixes.
450 (class Parser_closure): Change language_stack_ from a vector of
451 std::string to one of Version_script_info::Language. Adjust all
453 (class Lazy_demangler): Remove.
454 (struct Version_expression): Change language from std::string to
455 Version_script_info::Language.
456 (Version_script_info::Version_script_info): New function.
457 (Version_script_info::~Version_script_info): Don't call clear.
458 (Version_script_info::finalize): New function.
459 (Version_script_info::build_lookup_tables): New function.
460 (Version_script_info::build_expression_list_lookup): New
462 (Version_script_info::get_symbol_version_helper): Rewrite to use
464 (Version_script_info::print_expression_list): Adjust to use
465 Version_script_info::Language.
466 (script_push_lex_into_version_mode): Check that the version script
467 has not been finalized.
468 (version_script_push_lang): Change language string to
469 Version_script_info::Language.
470 * options.cc (Command_line::version_script): New function.
471 * options.h (class General_options): Add finalize_dynamic_list
472 function. Change version_script from declaration to definition.
473 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
474 * testsuite/version_script.map: Remove duplicate def of foo.
475 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
477 * testsuite/Makefile.in: Rebuild.
479 2009-12-30 Ian Lance Taylor <iant@google.com>
482 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
483 if the input symbol index is 0, make the output symbol index 0.
485 2009-12-30 Ian Lance Taylor <iant@google.com>
488 * options.h (class General_options): Add -x/--discard-all.
489 * object.cc (Sized_relobj::do_count_local_symbols): Handle
490 --discard-all. If the local symbol needs a dynamic entry, check
491 that before handling --discard-locals.
493 2009-12-30 Ian Lance Taylor <iant@google.com>
496 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
498 (Output_segment::add_output_section): Don't change the flags if
502 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
503 GNU hash table if they need a dynamic value. Otherwise, don't add
504 them if they are defined in a dynamic object or are forced local.
506 2009-12-29 Ian Lance Taylor <iant@google.com>
509 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
510 .gnu.hash table for a 32-bit target.
513 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
514 regular and a dynamic object only needs a dynamic symbol table
515 entry if it is externally visible.
518 * i386.cc (class Target_i386): Initialize global_offset_table_ in
519 constructor. Add global_offset_table_ field.
520 (Target_i386::got_section): Set global_offset_table_.
521 (Target_i386::do_finalize_sections): Set global_offset_table_
523 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
524 in constructor. Add global_offset_table_ field.
525 (Target_x86_64::got_section): Set global_offset_table_.
526 (Target_x86_64::do_finalize_sections): Set global_offset_table_
529 * layout.cc (Layout::Layout): Initialize increase_relro_.
530 (Layout::get_output_section): Add is_relro, is_last_relro, and
531 is_first_non_relro parameters. Change all callers.
532 (Layout::choose_output_section): Likewise.
533 (Layout::add_output_section_data): Likewise.
534 (Layout::make_output_section): Likewise.
535 (Layout::set_segment_offsets): Clear increase_relro when using a
537 * layout.h (class Layout): Add increase_relro method. Add
538 increase_relro_ field. Update declarations.
539 * output.cc (Output_section::Output_section): Initialize
540 is_last_relro_ and is_first_non_relro_.
541 (Output_segment::add_output_section): Group relro sections is
542 do_sort is true. Handle is_last_relro and is_first_non_relro.
543 (Output_segment::maximum_alignment): Remove relro handling.
544 (Output_segment::set_section_addresses): Add increase_relro
545 parameter. Change all callers. Add initial alignment to align
546 relro sections on separate page. Remove old relro handling.
547 (Output_segment::set_section_list_addresses): Remove in_relro
548 parameter. Change all callers.
549 (Output_segment::set_offset): Add increase parameter. Change all
550 callers. Remove old relro handling.
551 * output.h (class Output_section): Add new methods: is_last_relro,
552 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
553 Add is_last_relro_ and is_first_non_relro_ fields.
554 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
555 Create separate .got.plt section. Call increase_relro.
556 * x86_64.cc (Target_x86_64::got_section): Likewise.
557 * testsuite/relro_script_test.t: Add .got.plt.
560 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
561 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
562 (Layout::finalize): Call set_dynamic_symbol_size.
563 (Layout::set_dynamic_symbol_size): New function.
564 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
565 set_dynamic_symbol_size.
568 * output.h (class Output_section): Add is_entsize_zero_ field.
569 * output.cc (Output_section::Output_section): Initialize
571 (Output_section::set_entsize): If two different entsizes are
572 requested, force it to zero.
573 (Output_section::add_input_section): Set flags for .debug_str
574 before updating section flags. Set entsize.
575 (Output_section::update_flags_for_input_section): Set SHF_MERGE
576 and SHF_STRING if all input sections have those flags.
578 2009-12-29 Rafael Espindola <espindola@google.com>
580 * main.cc (main): Fix the sys time reporting.
581 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
584 2009-12-29 Sriraman Tallam <tmsriram@google.com>
586 * options.cc (General_options::parse_version): Allow -v to exit
587 without an error if there is nothing to link.
589 2009-12-29 Ian Lance Taylor <iant@google.com>
591 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
592 using a version of gcc before 4.1.
593 * configure: Rebuild.
595 2009-12-28 Chris Demetriou <cgd@google.com>
597 * attributes.cc (Output_attributes_section_data::do_write): Use
598 std::vector::front rather than std::vector::data.
600 2009-12-28 Ian Lance Taylor <iant@google.com>
602 * symtab.h (class Symbol_table): Add enum Defined.
603 * resolve.cc (Symbol_table::should_override): Add defined
604 parameter. Change all callers. Test whether object is NULL
605 before calling a method on it.
606 (Symbol_table::report_resolve_problem): Add defined parameter.
608 (Symbol_table::should_override_with_special): Likewise.
609 * symtab.cc (Symbol_table::define_in_output_data): Add defined
610 parameter. Change all callers.
611 (Symbol_table::do_define_in_output_data): Likewise.
612 (Symbol_table::define_in_output_segment): Likewise.
613 (Symbol_table::do_define_in_output_segment): Likewise.
614 (Symbol_table::define_as_constant): Likewise.
615 (Symbol_table::do_define_as_constant): Likewise.
616 * script.h (class Symbol_assignment): Add is_defsym parameter to
617 constructor; change all callers.
618 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
619 parameter. Change all callers. Add is_defsym_ field.
620 (class Parser_closure): Add parsing_defsym parameter to
621 constructor; change all callers. Add parsing_defsym accessor
622 function. Add parsing_defsym_ field.
624 2009-12-28 Ian Lance Taylor <iant@google.com>
626 * gold.cc (queue_middle_tasks): Fix formatting.
627 * object.cc (Relobj::is_section_name_included): Likewise.
629 2009-12-23 Ian Lance Taylor <iant@google.com>
631 * i386.cc (Target_i386::do_calls_non_split): Recognize
632 -fsplit-stack prologue for a function with a static chain.
633 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
634 -fsplit-stack prologue when using %r11.
636 2009-12-21 Sriraman Tallam <tmsriram@google.com>
638 * options.cc (General_options::parse_version): Make -v continue and do
639 the link like GNU ld does.
641 2009-12-17 Rafael Avila de Espindola <espindola@google.com>
643 * Makefile.am (CCFILES): Add timer.cc.
644 (HFILES): Add timer.h.
645 * configure.ac: Check for sysconf and times.
646 * main.cc: include timer.h.
647 (main): Use Timer instead of get_run_time.
650 * workqueue.cc: include timer.h.
651 (Workqueue::find_and_run_task):
652 Report user, sys and wall time.
653 * Makefile.in: Regenerate.
654 * config.in: Regenerate.
655 * configure: Regenerate.
657 2009-12-16 Doug Kwan <dougkwan@google.com>
659 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
661 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
662 relaxed input sections.
663 * output.cc (Output_section::find_relaxed_input_section): Change
664 return type to Output_relaxed_input_section pointer. Adjust code
665 for new type of relaxed_input_section_map_.
666 * output.h (Output_section::find_relaxed_input_section): Change
667 return type to Output_relaxed_input_section pointer.
668 (Output_section::Output_relaxed_input_section_by_input_section_map):
670 (Output_section::relaxed_input_section_map_): Change type to
671 Output_section::Output_relaxed_input_section_by_input_section_map.
672 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
675 2009-12-15 Ian Lance Taylor <iant@google.com>
677 * layout.cc (Layout::create_shstrtab): Only write out after input
678 sections if we are compressing debug sections.
680 2009-12-15 Ian Lance Taylor <iant@google.com>
682 * archive.cc (Archive::add_symbols): Only look up a symbol without
683 a version if there is, in fact, a version.
685 2009-12-14 Ian Lance Taylor <iant@google.com>
687 Revert -Wshadow changes, all changes from:
688 2009-12-11 Doug Kwan <dougkwan@google.com>
689 2009-12-11 Nick Clifton <nickc@redhat.com>
690 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
692 2009-12-11 Doug Kwan <dougkwan@google.com>
694 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
696 * attributes.cc (Object_attribute::size): Ditto.
697 (Attributes_section_data::size): Ditto.
698 (Attributes_section_data::Attributes_section_data): Ditto.
699 (Output_attributes_section_data::do_write): Ditto.
700 * attributes.h (Object_attribute::set_type): Ditto.
701 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
703 2009-12-11 Nick Clifton <nickc@redhat.com>
705 * archive.cc: Fix shadowed variable warnings.
707 * compressed_output.cc: Likewise.
708 * compressed_output.h: Likewise.
709 * configure: Likewise.
710 * dwarf_reader.cc: Likewise.
711 * dynobj.cc: Likewise.
712 * dynobj.h: Likewise.
713 * ehframe.cc: Likewise.
714 * ehframe.h: Likewise.
715 * errors.cc: Likewise.
716 * expression.cc: Likewise.
717 * fileread.cc: Likewise.
718 * fileread.h: Likewise.
719 * freebsd.h: Likewise.
722 * incremental.h: Likewise.
723 * layout.cc: Likewise.
724 * layout.h: Likewise.
725 * mapfile.cc: Likewise.
726 * merge.cc: Likewise.
728 * object.cc: Likewise.
729 * object.h: Likewise.
730 * options.h: Likewise.
731 * output.cc: Likewise.
732 * output.h: Likewise.
733 * parameters.cc: Likewise.
734 * plugin.cc: Likewise.
735 * powerpc.cc: Likewise.
736 * reduced_debug_output.cc: Likewise.
737 * reduced_debug_output.h: Likewise.
738 * reloc.cc: Likewise.
740 * resolve.cc: Likewise.
741 * script-sections.cc: Likewise.
742 * script.cc: Likewise.
743 * script.h: Likewise.
744 * sparc.cc: Likewise.
745 * symtab.cc: Likewise.
746 * symtab.h: Likewise.
747 * target-select.cc: Likewise.
748 * target-select.h: Likewise.
750 * workqueue.cc: Likewise.
751 * workqueue.h: Likewise.
752 * x86_64.cc: Likewise.
754 2009-12-10 Doug Kwan <dougkwan@google.com>
756 * arm.cc (attributes.h): New include.
757 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
758 (Arm_relobj::~Arm_relobj): Delete object pointed by
759 attributes_section_data_.
760 (Arm_relobj::attributes_section_data): New method definition.
761 (Arm_relobj::attributes_section_data_): New data member declaration.
762 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
763 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
764 attributes_section_data_.
765 (Arm_dynobj::attributes_section_data): New method definition.
766 (Arm_dynobj::attributes_section_data_): New data member declaration.
767 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
768 initialization value of may_use_blx_ to false.
769 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
770 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
771 object attributes to compute results instead of hard-coding.
772 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
773 Target_arm::get_secondary_compatible_arch,
774 Target_arm::set_secondary_compatible_arch
775 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
776 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
777 New method declarations.
778 (Target_arm::get_aeabi_object_attribute): New method definition.
779 (Target_arm::attributes_section_data_): New data member declaration.
780 (read_arm_attributes_section): New template definition.
781 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
782 (Arm_dynobj::do_read_symbols): Ditto.
783 (Target_arm::do_finalize_sections): Merge attributes sections from
784 input. Check for BLX use after attributes section merging.
785 Fix __exidx_start and __exidx_end visibility. Create an
786 .ARM.attributes section if necessary.
787 (Target_arm::get_secondary_compatible_arch,
788 Target_arm::set_secondary_compatible_arch,
789 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
790 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
791 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
792 New method definitions.
794 2009-12-09 Ian Lance Taylor <iant@google.com>
796 * plugin.cc (Plugin::load): Don't cast from void* to a function
799 2009-12-09 Ian Lance Taylor <iant@google.com>
801 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
804 2009-12-09 H.J. Lu <hongjiu.lu@intel.com>
806 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
807 Replace two_file_shared_1.so with two_file_shared_2.so.
808 * testsuite/Makefile.in: Regenerated.
810 2009-12-08 Doug Kwan <dougkwan@google.com>
812 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
813 (HFILES): Add attributes.h and int_encoding.h.
814 * Makefile.in: Regenerate.
815 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
816 function definitions to int_encoding.cc
817 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
818 prototypes to int_encoding.h
819 * reduced_debug_output.cc (int_encoding.h): New include.
820 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
821 function definitions to int_encoding.cc
822 (insert_into_vector, read_from_pointer): Move template definitions to
824 * attributes.cc: New file.
825 * attributes.h: New file.
826 * int_encoding.cc: New file.
827 * int_encoding.h: New file.
829 2009-12-07 Rafael Avila de Espindola <espindola@google.com>
832 * incremental-dump.cc (dump_incremental_inputs): New.
833 (main): Use dump_incremental_inputs.
835 2009-12-07 H.J. Lu <hongjiu.lu@intel.com>
838 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
839 checking elfcpp::STT_FUNC.
840 (Target_i386::Relocate::relocate): Likewise.
841 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
843 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
844 symbols from shared libraries into normal FUNC symbols.
846 * symtab.h (Symbol): Add is_func and use it.
848 2009-12-05 Doug Kwan <dougkwan@google.com>
850 * arm.cc (Target_arm::arm_info): Initialize new fields
851 attributes_section and attributes_vendor.
852 * i386.cc (Target_i386::i386_info): Same.
853 * object.cc (Sized_relobj::do_layout): Skip attribute section.
854 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
855 fields attributes_section and attributes_vendor.
856 * sparc.cc (Target_sparc::sparc_info): Same.
857 * target.h (Target::attributes_section, Target::attributes_vendor,
858 Target::is_attributes_section, Target::attribute_arg_type,
859 Target::attributes_order): New method definitions.
860 (Target::Target_info::attributes_section,
861 Target::Target_info::attributes_vendor): New fields.
862 (Target::do_attribute_arg_type, Target::do_attributes_order): New
863 virtual method definitions.
864 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
865 attributes_section and attributes_vendor.
866 * testsuite/testfile.cc (Target_test::test_target_info): Same.
868 2009-12-05 Doug Kwan <dougkwan@google.com>
870 * arm.cc: Update comments about interworking and stub generation.
871 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
872 considered as non-PIC.
873 (Arm_relocate_functions::base_abs): Fix formatting.
874 (Arm_relocate_functions::got_prel): Fix comment. Change interface
875 of function to use GOT entry address instead of offset.
876 (Target_arm::Scan::global): Issue an error if a symbol would need a
877 PLT does not get one because it is untyped. Remove code to create
878 dynamic symbols for relative branches.
879 (Target_arm::Relocate::relocate: Use 0 instead of false since function
880 takes unsigned integer instead of boolean.
882 2009-12-05 H.J. Lu <hongjiu.lu@intel.com>
884 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
885 (two_file_test_LDADD): Likewise.
886 (common_test_1_LDADD): Likewise.
887 (exception_test_LDADD) Likewise.
888 (weak_test_LDADD): Likewise.
889 (many_sections_test_LDADD): Likewise.
890 (initpri1_LDADD): Likewise.
891 (script_test_1_LDADD): Likewise.
892 (script_test_2_LDADD): Likewise.
893 (justsyms_LDADD): Likewise.
894 (binary_test_LDADD): Likewise.
895 (large_LDADD): Likewise.
896 * testsuite/Makefile.in: Regenerated.
898 2009-12-04 H.J. Lu <hongjiu.lu@intel.com>
900 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
901 (Symbol_table::override_with_special): Likewise.
902 (Symbol_table::add_from_object): Likewise.
904 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
906 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
907 Don't set the data_offset twice.
909 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
911 * testsuite/Makefile.in: Regenerate.
913 2009-12-03 Doug Kwan <dougkwan@google.com>
915 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
916 (Target_arm::do_finalize_sections): Add parameter for symbol table
917 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
918 * i386.cc (Target_i386::do_finalize_sections): Add an additional
919 parameter for symbol table pointer.
920 * layout.cc (Layout::finalize): Call Target::finalize_sections with
921 an additional parameter for a pointer to symbol table.
922 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
923 parameter for a symbol table pointer.
924 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
925 * target.h (Target::finalize_sections, Target::do_finalize_sections):
927 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
928 parameter for a symbol table pointer.
930 2009-12-03 Rafael Avila de Espindola <espindola@google.com>
932 * incremental.cc (Incremental_inputs_header)
933 (Incremental_inputs_header_write, Incremental_inputs_entry)
934 (Incremental_inputs_entry_write): Move ...
935 * incremental.h (Incremental_inputs_header)
936 (Incremental_inputs_header_write, Incremental_inputs_entry)
937 (Incremental_inputs_entry_write): here.
939 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
941 * incremental.cc (make_sized_incremental_binary): Set the target.
942 Error if it is incompatible.
943 * output.h (Output_file): Add filename method.
945 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
947 * incremental.cc (Incremental_inputs_entry): Remove unused argument
948 from the get_* methods.
950 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
952 * incremental-dump.cc (main): Check that the offeset of a script is 0.
953 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
954 Write 0 for the data_offset of scripts.
956 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
958 * testsuite/Makefile.am: Add the incremental_test.sh test.
959 * testsuite/incremental_test.sh: New.
960 * testsuite/incremental_test_1.c: New.
961 * testsuite/incremental_test_2.c: New.
963 2009-12-01 Rafael Avila de Espindola <espindola@google.com>
965 * incremental-dump.cc (main): Fix typos.
967 2009-11-27 Rafael Avila de Espindola <espindola@google.com>
970 * incremental-dump.cc (main): Use llu to print 64 bit values.
972 2009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
973 H.J. Lu <hongjiu.lu@intel.com>
975 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
977 (incremental_dump_LDADD): Likewise.
978 * Makefile.in: Regenerated.
980 2009-11-25 Doug Kwan <dougkwan@google.com>
984 2009-11-25 Doug Kwan <dougkwan@google.com>
986 * arm.cc (Target_arm::Target_arm): Move method definition
987 outside of class definition. Add code to handle
988 --target1-rel, --target1-abs and --target2= options.
989 (Target_arm::get_reloc_reloc_type): Change method to be
990 non-static and const.
991 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
992 New data member declaration.
993 (Target_arm::Scan::local, Target_arm::Scan::global,
994 Target_arm::Relocate::relocate,
995 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
996 Adjust call to Target_arm::get_real_reloc_type.
997 (Target_arm::get_real_reloc_type): Use command line options
998 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
999 * options.h (--target1-rel, --target1-abs, --target2): New
1002 2009-11-25 Doug Kwan <dougkwan@google.com>
1004 * arm.cc (Target_arm::Target_arm): Move method definition outside of
1005 class definition. Add code to handle --target1-rel, --target1-abs
1006 and --target2= options.
1007 (Target_arm::get_reloc_reloc_type): Change method to be non-static
1009 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1011 (Target_arm::Scan::local, Target_arm::Scan::global,
1012 Target_arm::Relocate::relocate,
1013 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1014 call to Target_arm::get_real_reloc_type.
1015 (Target_arm::get_real_reloc_type): Use command line options to
1016 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1017 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1020 2009-11-25 Doug Kwan <dougkwan@google.com>
1022 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1023 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1024 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1026 (Arm_relocate_functions::thm_call): Replace body with a call to
1027 Arm_relocate_functions::thumb_branch_common.
1028 (Arm_relocate_functions::thm_jump24,
1029 Arm_relocate_functions::thm_xpc22): New method definitions.
1030 (Arm_relocate_functions::thumb_branch_common): New method definition.
1031 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1033 (Target_arm::Relocate::relocate): Adjust call to thm_call.
1034 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1036 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1038 * Makefile.am: Build incremental-dump
1039 * Makefile.in: Regenerate.
1040 * incremental-dump.cc: New.
1041 * incremental.cc (Incremental_inputs_header_data,
1042 Incremental_inputs_entry_data): Move to incremental.h
1043 * incremental.h: (Incremental_inputs_header_data,
1044 Incremental_inputs_entry_data): Move from incremental.cc
1046 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1048 * incremental.cc (Incremental_inputs_header,
1049 Incremental_inputs_header_write, Incremental_inputs_entry,
1050 Incremental_inputs_entry_write): Add a typedef with the data type.
1052 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1054 * incremental.cc (Incremental_inputs_header,
1055 Incremental_inputs_header_write, Incremental_inputs_entry,
1056 Incremental_inputs_entry_write): Update comment about which
1057 type has the filed descriptions.
1059 2009-11-15 Doug Kwan <dougkwan@google.com>
1061 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1062 (Arm_relocate_functions::arm_branch_common): Change method defintion
1063 in class definition to a method declaration and update list of formal
1065 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1066 Arm_relocation_functions::jump24): Adjust call to
1067 Arm_relocate_functions::arm_branch_common. Update list of formal
1069 (Arm_relocate_functions::xpc25): New method definition.
1070 (Arm_relocate_functions::arm_branch_common): Move method defintion
1071 out from class definition. Use stubs for mode-switching and extending
1073 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
1074 specially. Change code to enable use of stubs in ARM branches.
1076 2009-11-10 Doug Kwan <dougkwan@google.com>
1078 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
1079 in method declaration.
1080 (Target_arm::relocate_stub): New method declaration.
1081 (Target_arm::default_target): Change to return a pointer instead of
1083 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
1084 Target_arm::default_target.
1085 (Arm_Relobj::do_relocate_sections): Remove options paramater in
1087 (Target_arm::relocate_section): Adjust view.
1088 (Target_arm::relocate_stub): New method definition.
1090 2009-11-10 Doug Kwan <dougkwan@google.com>
1092 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
1094 * incremental.cc (open_incremental_binary): Initialized local
1095 variables to avoid warnings.
1096 * object.cc (make_elf_object): Ditto.
1097 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
1100 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
1103 * testsuite/plugin_test.c: Include "config.h".
1105 2009-11-09 Doug Kwan <dougkwan@google.com>
1107 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
1108 (arm_symbol_value): Remove.
1109 (Arm_relocate_functions::arm_branch_common,
1110 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
1111 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
1112 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
1113 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
1114 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
1115 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
1116 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
1117 Arm_relocate_functions::thm_mobw_abs_nc,
1118 Arm_relocate_functions::thm_mov_abs,
1119 Arm_relocate_functions::movw_prel_nc,
1120 Arm_relocate_functions::thm_movt_abs,
1121 Arm_relocate_functions::movt_prel,
1122 Arm_relocate_functions::thm_movw_prel_nc,
1123 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
1124 (Target_arm::Relocate::relocate): Only decompose address into two
1125 parts if relocation type uses the thumb-bit and pass the actual
1126 bit instead of a flag indicating that the thumb-bit is used. Adjust
1127 calls to methods in Arm_relocate_functions for this change.
1129 2009-11-08 Ian Lance Taylor <iant@google.com>
1132 * reloc.cc: Instantiate
1133 Sized_relobj::initialize_input_to_output_maps and
1134 Sized_relobj:free_input_to_output_maps.
1136 2009-11-06 Ian Lance Taylor <iant@google.com>
1139 * defstd.cc (in_segment): Set only_if_ref true for "end".
1141 2009-11-06 Doug Kwan <dougkwan@google.com>
1143 * arm.cc (class Reloc_stub): Correct a comment.
1144 (Target_arm::Target_arm): Initialize arm_input_section_map_.
1145 (Target_arm::scan_section_for_stubs): New method declaration.
1146 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
1147 Change methods from private to protected.
1148 (Target_arm::do_may_relax): New method definition.
1149 (Target_arm::do_relax, Target_arm::group_sections,
1150 Target_arm::scan_reloc_for_stub,
1151 Target_arm::scan_reloc_section_for_stubs): New method declarations.
1152 (Target_arm::arm_input_section_map_): New data member declaration.
1153 (Target_arm::scan_reloc_for_stub,
1154 Target_arm::scan_reloc_section_for_stubs,
1155 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
1156 Target_arm::do_relax): New method definitions.
1158 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
1160 * configure.ac: Check for (struct stat)::st_mtim
1161 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
1162 * config.in: Regenerate.
1163 * configure: Regenerate.
1165 2009-11-05 Ian Lance Taylor <iant@google.com>
1168 * output.cc (Output_segment::add_output_section): Add missing
1171 2009-11-04 Ian Lance Taylor <iant@google.com>
1174 * object.h (class Object): Add is_needed and set_is_needed
1175 methods. Add is_needed_ field. Make bool fields into bitfields.
1176 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
1177 defined in a dynamic object and referenced by a regular object,
1178 set is_needed for the dynamic object.
1179 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
1180 if the file is marked with as_needed and it is not needed.
1182 2009-11-04 Ian Lance Taylor <iant@google.com>
1185 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
1186 tags if data is discarded by linker script.
1187 * i386.cc (Target_i386::do_finalize_sections): Likewise.
1188 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1189 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1190 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1192 2009-11-04 Ian Lance Taylor <iant@google.com>
1194 * layout.cc (Layout::get_output_section): Add is_interp and
1195 is_dynamic_linker_section parameters. Change all callers.
1196 (Layout::choose_output_section): Likewise.
1197 (Layout::make_output_section): Likewise.
1198 (Layout::add_output_section_data): Add is_dynamic_linker_section
1199 parameter. Change all callers.
1200 * layout.h (class Layout): Update declarations.
1201 * output.h (class Output_section): Add is_interp, set_is_interp,
1202 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1203 Add is_interp_, is_dynamic_linker_section_ fields. Change
1204 generate_code_fills_at_write_ to a bitfield.
1205 * output.cc (Output_section::Output_sections): Initialize new
1207 (Output_segment::add_output_section): Add do_sort parameter.
1210 2009-11-03 Ian Lance Taylor <iant@google.com>
1213 * options.h (class General_options): Add --warn-common.
1214 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1215 merging two common symbols.
1216 (Symbol_table::should_override): Handle --warn-common when merging
1217 a common symbol with a defined symbol. Use report_resolve_problem
1218 for multiple definitions.
1219 (Symbol_table::report_resolve_problem): New function.
1220 * symtab.h (class Symbol_table): Declare report_resolve_problem.
1222 2009-11-03 Doug Kwan <dougkwan@google.com>
1224 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1226 (Target_arm::stub_factory): New method definition.
1227 (Target_arm::new_arm_input_section,
1228 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1229 Target_arm::reloc_uses_thumb_bit): New method declarations.
1230 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
1231 New type definitions.
1232 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1233 member declarations.
1234 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1235 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1236 New method definitions.
1238 2009-11-03 Ian Lance Taylor <iant@google.com>
1240 * options.h (class General_options): Add --warn_constructors.
1242 2009-11-03 Ian Lance Taylor <iant@google.com>
1245 * defstd.cc (in_section): Add entries for __rel_iplt_start,
1246 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1248 2009-11-03 Ian Lance Taylor <iant@google.com>
1251 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1252 --msgid-bugs-address.
1253 (install-pdf): New target.
1254 (install-data_yes): Look up one directory to find mkinstalldirs.
1256 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
1258 * po/Make-in (.po.gmo): Don't generate .gmo files in source
1261 2009-10-30 Doug Kwan <dougkwan@google.com>
1263 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1265 2009-10-30 Doug Kwan <dougkwan@google.com>
1267 * arm.cc (Stub_addend_reader): New struct template definition
1268 and partial specializations.
1269 (Stub_addend_reader::operator()): New method definition for a
1270 partially specialized template.
1272 2009-10-30 Doug Kwan <dougkwan@google.com>
1274 * arm.cc (Arm_relobj::processor_specific_flags): New method
1276 (Arm_relobj::do_read_symbols): New method declaration.
1277 (Arm_relobj::processor_specific_flags_): New data member declaration.
1278 (Arm_dynobj): New class definition.
1279 (Target_arm::do_finalize_sections): Add input_objects parameter.
1280 (Target_arm::do_adjust_elf_header): New method declaration.
1281 (Target_arm::are_eabi_versions_compatible,
1282 (Target_arm::merge_processor_specific_flags): New method declaration.
1283 (Target_arm::do_make_elf_object): New overloaded method definitions
1285 (Arm_relobj::do_read_symbols): New method definition.
1286 (Arm_dynobj::do_read_symbols): Ditto.
1287 (Target_arm::do_finalize_sections): Add input_objects parameters.
1288 Merge processor-specific flags from all input objects.
1289 (Target_arm::are_eabi_versions_compatible,
1290 Target_arm::merge_processor_specific_flags,
1291 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1292 New method definitions.
1293 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1294 Input_objects pointer type parameter.
1295 * layout.cc (Layout::finalize): Pass input objects to target's.
1296 finalize_sections function.
1297 * output.cc (Output_file_header::do_sized_write): Set ELF file
1298 header's processor-specific flags.
1299 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1300 Input_objects pointer type parameter.
1301 * sparc.cc (Target_sparc::do_finalize_sections): Same.
1302 * target.h (Input_objects): New forward class declaration.
1303 (Target::processor_specific_flags,
1304 Target::are_processor_specific_flags_sect): New method definitions.
1305 (Target::finalize_sections): Add input_objects parameter.
1306 (Target::Target): Initialize processor_specific_flags_ and
1307 are_processor_specific_flags_set_.
1308 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1310 (Target::set_processor_specific_flags): New method definition.
1311 (Target::processor_specific_flags_,
1312 Target::are_processor_specific_flags_set_): New data member
1314 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1315 Input_objects pointer type parameter.
1317 2009-10-30 Doug Kwan <dougkwan@google.com>
1319 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1321 2009-10-28 Ian Lance Taylor <iant@google.com>
1323 * object.h (class Relobj): Drop options parameter from
1324 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1325 do_scan_relocs, do_relocate. Change all callers.
1326 (class Sized_relobj): Drop options parameters from
1327 do_gc_process_relocs, do_scan_relocs, do_relocate,
1328 do_relocate_sections, relocate_sections, emit_relocs_scan,
1329 emit_relocs_scan_reltype. Change all callers.
1330 (struct Relocate_info): Remove options field and all references to
1332 * reloc.h (class Read_relocs): Remove options constructor
1333 parameter and options_ field. Change all callers.
1334 (class Gc_process_relocs, class Scan_relocs): Likewise.
1335 (class Relocate_task): Likewise.
1336 * target-reloc.h (scan_relocs): Remove options parameter. Change
1338 (scan_relocatable_relocs): Likewise.
1339 * target.h (class Sized_target): Remove options parameter from
1340 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
1342 * gc.h (gc_process_relocs): Remove options parameter. Change all
1344 * arm.cc: Update functions to remove options parameters.
1345 * i386.cc: Likewise.
1346 * powerpc.cc: Likewise.
1347 * sparc.cc: Likewise.
1348 * x86_64.cc: Likewise.
1349 * testsuite/testfile.cc: Likewise.
1351 2009-10-28 Doug Kwan <dougkwan@google.com>
1353 * arm.cc (Arm_relobj): New class definition.
1354 (Arm_relobj::scan_sections_for_stubs,
1355 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1356 New method definitions.
1358 2009-10-28 Cary Coutant <ccoutant@google.com>
1360 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1361 (Plugin::cleanup_done_): New member.
1362 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1363 (Plugin_manager::cleanup_done_): Remove.
1364 (Plugin_manager::add_input_file): Edit error message.
1365 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1366 (Plugin_manager::cleanup): Remove use of cleanup_done_.
1368 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
1370 * fileread.cc: (File_read::View::~View): Use the new
1371 data_ownership_ filed.
1372 (File_read::~File_read): Dispose the new whole_file_view_.
1373 (File_read::open): Mmap the whole file if needed.
1374 (File_read::open): Use whole_file_view_ instead of contents_.
1375 (File_read::find_view): Use whole_file_view_ if applicable.
1376 (File_read::do_read): Use whole_file_view_ instead of contents_.
1377 (File_read::make_view): Use whole_file_view_ instead of contents_,
1378 update File_read::View::View call.
1379 (File_read::find_or_make_view): Update File_read::View::View
1381 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1383 (File_read::View::Data_ownership): New enum.
1384 (File_read::View::View): Replace bool mapped_ with Data_ownership
1386 (File_read::View::mapped_): Remove (replaced by data_ownership_).
1387 (File_read::View::data_ownership_): New field.
1388 (File_read::contents_): Remove (replaced by whole_file_view_).
1389 (File_read::whole_file_view_): New field.
1390 * options.h (class General_options): Add --keep-files-mapped.
1392 2009-10-27 Cary Coutant <ccoutant@google.com>
1394 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1395 * testsuite/Makefile.am (plugin_test_5): New test case.
1396 * testsuite/Makefile.in: Regenerate.
1398 2009-10-25 Doug Kwan <dougkwan@google.com>
1400 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1401 from private to protected to allow access by child class.
1402 (Sized_relobj::do_relocate_sections): New method declaration.
1403 (Sized_relobj::relocate_sections): Virtualize.
1404 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1405 Sized_relobj::relocate_sections. Instantiate template explicitly
1406 for different target sizes and endianity.
1408 2009-10-24 Doug Kwan <dougkwan@google.com>
1410 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1411 (Arm_input_section::as_arm_input_section): New method.
1412 (Arm_output_section): New class definition.
1413 (Arm_output_section::create_stub_group,
1414 Arm_output_section::group_sections): New method definitions.
1416 2009-10-22 Doug Kwan <dougkwan@google.com>
1418 * arm.cc (Arm_input_section): New class definition.
1419 (Arm_input_section::init, Arm_input_section:do_write,
1420 Arm_input_section::set_final_data_size,
1421 Arm_input_section::do_reset_address_and_file_offset): New method
1424 2009-10-21 Doug Kwan <dougkwan@google.com>
1426 * arm.cc (Stub_table, Arm_input_section): New forward class
1428 (Stub_table): New class defintion.
1429 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1430 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1431 New method definition.
1433 2009-10-21 Doug Kwan <dougkwan@google.com>
1435 * arm.cc: Update copyright comments.
1436 (Target_arm): New forward class template declaration.
1437 (Arm_address): New type.
1438 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1439 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1440 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1442 (Insn_template): Same.
1443 (DEF_STUBS): New macro.
1444 (Stub_type): New enum type.
1445 (Stub_template): New class definition.
1448 (Stub_factory): Same.
1449 (Target_arm::Target_arm): Initialize may_use_blx_ and
1450 should_force_pic_veneer_.
1451 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1452 Target_arm::should_force_pic_veneer,
1453 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1454 Target_arm::using_thumb_only, Target_arm:;default_target): New
1456 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1457 New data member declarations.
1458 (Insn_template::size, Insn_template::alignment): New method defintions.
1459 (Stub_template::Stub_template): New method definition.
1460 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1461 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1462 (Stub_factory::Stub_factory): New method definition.
1463 * gold.h (string_hash): New template.
1464 * output.h (Input_section_specifier::hash_value): Use
1466 (Input_section_specifier::string_hash): Remove.
1467 * stringpool.cc (Stringpool_template::string_hash): Use
1470 2009-10-20 Doug Kwan <dougkwan@google.com>
1472 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1473 symbols of relaxed input sections.
1474 * output.h (Output_section::find_relaxed_input_section): Make
1477 2009-10-16 Doug Kwan <dougkwan@google.com>
1479 * dynobj.cc (Versions::Versions): Initialize version_script_.
1480 Only insert base version symbol definition for a shared object
1481 if version script defines any version versions.
1482 (Versions::define_base_version): New method definition.
1483 (Versions::add_def): Check that base version is not needed.
1484 (Versions::add_need): Define base version lazily.
1485 * dynobj.h (Versions::define_base_version): New method declaration.
1486 (Versions::needs_base_version_): New data member declaration.
1487 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1488 (check_DATA): Add no_version_test.stdout.
1489 (libno_version_test.so, no_version_test.o no_version_test.stdout):
1491 * testsuite/Makefile.in: Regenerate.
1492 * testsuite/no_version_test.c: New file.
1493 * testsuite/no_version_test.sh: Ditto.
1495 2009-10-16 Doug Kwan <dougkwan@google.com>
1497 * expression.cc (class Segment_start_expression): New class definition.
1498 (Segment_start_expression::value): New method definition.
1499 (script_exp_function_segment_start): Return a new
1500 Segment_start_expression.
1501 * gold/script-c.h (script_saw_segment_start_expression): New function
1503 * script-sections.cc (Script_sections::Script_sections): Initialize
1504 SAW_SEGMENT_START_EXPRESSION_ to false.
1505 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1506 and -Tbbs options to specify section addresses if given in
1507 command line and no SEGMENT_START expression is seen in a script.
1508 * script-sections.h (Script_sections::saw_segment_start_expression,
1509 Script_sections::set_saw_segment_start_expression): New method
1511 (Script_sections::saw_segment_start_expression_): New data member
1513 * script.cc (script_saw_segment_start_expression): New function.
1514 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1515 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1516 script_test_7.sh and script_test_8.sh.
1517 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1518 script_test_8.stdout.
1519 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1520 (script_test_6, script_test_6.stdout, script_test_7,
1521 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1522 * Makefile.in: Regenerate.
1523 * testsuite/script_test_6.sh: New file.
1524 * testsuite/script_test_6.t: Same.
1525 * testsuite/script_test_7.sh: Same.
1526 * testsuite/script_test_7.t: Same.
1527 * testsuite/script_test_8.sh: Same.
1529 2009-10-16 Doug Kwan <dougkwan@google.com>
1531 * output.cc (Output_segment::set_section_list_address): Cast
1532 expressions to unsigned long long type to avoid format warnings.
1534 2009-10-15 Ian Lance Taylor <iant@google.com>
1536 * script.cc (Script_options::add_symbol_assignment): Always add a
1537 dot assignment to script_sections_.
1538 * script-sections.cc (Script_sections::add_dot_assignment):
1539 Initialize if necessary.
1541 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1542 program headers with no load segment if there is a linker script.
1544 * layout.cc (Layout::set_segment_offsets): Align the file offset
1545 to the segment aligment for -N or -n with no load segment.
1546 * output.cc (Output_segment::add_output_section): Don't crash if
1547 the first section is a TLS section.
1548 (Output_segment::set_section_list_addresses): Print an error
1549 message if the address moves backward in a linker script.
1550 * script-sections.cc
1551 (Output_section_element_input::set_section_addresses): Don't
1552 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1553 (Orphan_output_section::set_section_addresses): Likewise.
1555 2009-10-15 Doug Kwan <dougkwan@google.com>
1557 * layout.cc (Layout::finish_dynamic_section): Generate tags
1558 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1559 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1560 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1562 2009-10-14 Ian Lance Taylor <iant@google.com>
1564 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1566 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1567 data_shdr fields of relinfo.
1568 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1569 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
1570 R_386_TLS_LDO_32, adjust based on section flags.
1571 (Target_i386::Relocate::fix_up_ldo): Remove.
1573 2009-10-13 Ian Lance Taylor <iant@google.com>
1575 Add support for -pie.
1576 * options.h (class General_options): Add -pie and
1578 (General_options::output_is_position_independent): Test -pie.
1579 (General_options::output_is_executable): Return true if not shared
1580 and not relocatable.
1581 (General_options::output_is_pie): Remove.
1582 * options.cc (General_options::finalize): Reject incompatible uses
1584 * gold.cc (queue_middle_tasks): A -pie link is not static.
1585 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1586 * symtab.cc (Symbol::final_value_is_known): Return false if
1587 output_is_position_independent.
1588 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1589 output_is_position_independent.
1590 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1591 output_is_position_independent.
1592 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1593 output_is_position_independent.
1594 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1596 (basic_pie_test.o, basic_pie_test): New targets.
1597 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1598 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1599 (two_file_pie_test): New target.
1600 * testsuite/Makefile.in: Rebuild.
1601 * README: Remove note saying that -pie is not supported.
1603 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1605 * options.h (class General_options): Add -init and -fini.
1606 * layout.cc (Layout::finish_dynamic_section): Emit
1607 given init and fini functions.
1609 2009-10-13 Sriraman Tallam <tmsriram@google.com>
1611 * gc.h (gc_process_relocs): Check if icf is enabled using new
1613 * gold.cc (queue_initial_tasks): Likewise.
1614 (queue_middle_tasks): Likewise.
1615 * object.cc (do_layout): Likewise.
1616 * symtab.cc (is_section_folded): Likewise.
1617 * main.cc (main): Likewise.
1618 * reloc.cc (Read_relocs::run): Likewise.
1619 (Sized_relobj::do_scan_relocs): Likewise.
1620 * icf.cc (is_function_ctor_or_dtor): New function.
1621 (Icf::find_identical_sections): Check if function is ctor or dtor when
1623 * options.h (General_options::icf): Change option to be an enum.
1624 (Icf_status): New enum.
1625 (icf_enabled): New method.
1626 (icf_safe_folding): New method.
1627 (set_icf_status): New method.
1628 (icf_status_): New variable.
1629 * (options.cc) (General_options::finalize): Set icf_status_.
1630 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1631 icf_test and icf_keep_unique_test to use the --icf enum flag.
1632 * testsuite/icf_safe_test.sh: New file.
1633 * testsuite/icf_safe_test.cc: New file.
1635 2009-10-12 Sriraman Tallam <tmsriram@google.com>
1637 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1638 includes to gc.h and icf.h.
1639 * arm.cc: Include gc.h.
1640 * gold.cc: Likewise.
1641 * i386.cc: Likewise.
1642 * powerpc.cc: Likewise.
1643 * sparc.cc: Likewise.
1644 * x86_64.cc: Likewise.
1645 * gc.h: Include icf.h.
1647 2009-10-11 Ian Lance Taylor <iant@google.com>
1649 * plugin.cc: Include "gold.h" before other header files.
1651 2009-10-10 Chris Demetriou <cgd@google.com>
1653 * options.h (Input_file_argument::Input_file_type): New enum.
1654 (Input_file_argument::is_lib_): Replace with...
1655 (Input_file_argument::type_): New member.
1656 (Input_file_argument::Input_file_argument): Take Input_file_type
1657 'type' rather than boolean 'is_lib' as second argument.
1658 (Input_file_argument::is_lib): Use type_.
1659 (Input_file_argument::is_searched_file): New function.
1660 (Input_file_argument::may_need_search): Handle is_searched_file.
1661 * options.cc (General_options::parse_library): Support -l:filename.
1662 (General_options::parse_just_symbols): Update for Input_file_argument
1664 (Command_line::process): Likewise.
1665 * archive.cc (Archive::get_file_and_offset): Likewise.
1666 * plugin.cc (Plugin_manager::release_input_file): Likewise.
1667 * script.cc (read_script_file, script_add_file): Likewise.
1668 * fileread.cc (Input_file::Input_file): Likewise.
1669 (Input_file::will_search_for): Handle is_searched_file.
1670 (Input_file::open): Likewise.
1671 * readsyms.cc (Read_symbols::get_name): Likewise.
1672 * testsuite/Makefile.am (searched_file_test): New test.
1673 * testsuite/Makefile.in: Regenerate.
1674 * testsuite/searched_file_test.cc: New file.
1675 * testsuite/searched_file_test_lib.cc: New file.
1677 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1678 Ian Lance Taylor <iant@google.com>
1680 * descriptor.cc: Include <cstdio> and "binary-io.h".
1681 (Descriptors::open): Open the files in binary mode always.
1682 * script.cc (Lex::get_token): Treat \r as whitespace.
1684 2009-10-09 Ian Lance Taylor <iant@google.com>
1686 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1688 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1689 Ian Lance Taylor <iant@google.com>
1691 * configure.ac: Check for readv function also.
1692 * fileread.cc (readv): Define if not HAVE_READV.
1693 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1695 * config.in: Regenerate.
1696 * configure: Regenerate.
1698 2009-10-09 Doug Kwan <dougkwan@google.com>
1700 * layout.cc (Layout::make_output_section): Call target hook to make
1701 ordinary output section.
1702 (Layout::finalize): Adjust parameter list of call the
1703 Target::may_relax().
1704 * layout.h (class Layout::section_list): New method.
1705 * merge.h (Output_merge_base::entsize): Change visibility to public.
1706 (Output_merge_base::is_string, Output_merge_base::do_is_string):
1708 (Output_merge_string::do_is_string): New method.
1709 * object.cc (Sized_relobj::do_setup): renamed from
1710 Sized_relobj::set_up.
1711 * object.h (Sized_relobj::adjust_shndx,
1712 Sized_relobj::initializ_input_to_output_maps,
1713 Sized_relobj::free_input_to_output_maps): Change visibilities to
1715 (Sized_relobj::setup): Virtualize.
1716 (Sized_relobj::do_setup): New method declaration.
1717 (Sized_relobj::invalidate_section_offset,
1718 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1719 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1720 * options.cc (parse_int): New function.
1721 * options.h (parse_int): New declaration.
1722 (DEFINE_int): New macro.
1723 (stub_group_size): New option.
1724 * output.cc (Output_section::Output_section): Initialize memebers
1725 merge_section_map_, merge_section_by_properties_map_,
1726 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1727 (Output_section::add_input_section): Handled deferred code-fill
1728 generation and remove an old comment.
1729 (Output_section::add_relaxed_input_section): New method definition.
1730 (Output_section::add_merge_input_section): Use merge section by
1731 properties map to speed to search. Update merge section maps
1733 (Output_section::build_relaxation_map): New method definition.
1734 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1736 (Output_section::relax_input_section): Renamed to
1737 Output_section::convert_input_sections_to_relaxed_sections and change
1738 interface to take a vector of pointers to relaxed sections.
1739 (Output_section::find_merge_section,
1740 Output_section::find_relaxed_input_section): New method definitions.
1741 (Output_section::is_input_address_mapped,
1742 Output_section::output_offset, Output_section::output_address):
1743 Use output section data maps to speed up searching.
1744 (Output_section::find_starting_output_address): Add comments.
1745 (Output_section::do_write,
1746 Output_section::write_to_postprocessing_buffer): Do code-fill
1747 generation as appropriate.
1748 (Output_section::get_input_sections): Invalidate relaxed input section
1750 (Output_section::restore_states): Adjust type of checkpoint .
1751 Invalidate relaxed input section map.
1752 * output.h (Output_merge_base): New class declaration.
1753 (Input_section_specifier): New class defintion.
1754 (class Output_relaxed_input_section) Change base class to
1755 Output_section_data_build.
1756 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1757 base class initializer.
1758 (Output_section::add_relaxed_input_section): New method declaration.
1759 (Output_section::Input_section): Change visibility to protected.
1760 (Output_section::Input_section::relobj,
1761 Output_section::Input_section::shndx): Handle relaxed input sections.
1762 Output_section::input_sections) Change visibility to protected. Also
1763 define overload to return a non-const pointer.
1764 (Output_section::Merge_section_properties): New class defintion.
1765 (Output_section::Merge_section_by_properties_map,
1766 Output_section::Output_section_data_by_input_section_map,
1767 Output_section::Relaxation_map): New types.
1768 (Output_section::relax_input_section): Rename method to
1769 Output_section::convert_input_sections_to_relaxed_sections and change
1770 interface to take a vector of relaxed section pointers.
1771 (Output_section::find_merge_section,
1772 Output_section::find_relaxed_input_section,
1773 Output_section::build_relaxation_map,
1774 Output_section::convert_input_sections_in_list_to_relaxed_sections):
1775 New method declarations.
1776 (Output_section::merge_section_map_
1777 Output_section::merge_section_by_properties_map_,
1778 Output_section::relaxed_input_section_map_,
1779 Output_section::is_relaxed_input_section_map_valid_,
1780 Output_section::generate_code_fills_at_write_): New data members.
1781 * script-sections.cc
1782 (Output_section_element_input::set_section_addresses): Call
1783 current_data_size and addralign methods of relaxed input sections.
1784 (Orphan_output_section::set_section_addresses): Call current_data_size
1785 and addralign methods of relaxed input sections.
1786 * symtab.cc (Symbol_table::compute_final_value): Extract template
1787 from the body of Symbol_table::sized_finalize_symbol.
1788 (Symbol_table::sized_finalized_symbol): Call
1789 Symbol_table::compute_final_value.
1790 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1791 (Symbol_table::compute_final_value): New templated method declaration.
1792 * target.cc (Target::do_make_output_section): New method defintion.
1793 * target.h (Target::make_output_section): New method declaration.
1794 (Target::relax): Add more parameters for input objects, symbol table
1795 and layout. Adjust call to do_relax.
1796 (Target::do_make_output_section): New method declaration.
1797 (Target::do_relax): Add parameters for input objects, symbol table
1800 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1802 * pread.c: Include stdio.h.
1804 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1806 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1809 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1811 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1812 Change read_shndx type to unsigned int.
1813 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1815 (Sized_dwarf_line_info::read_line_mappings): Likewise.
1816 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1817 Change read_shndx type to unsigned int.
1818 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1820 (Sized_dwarf_line_info::read_line_mappings): Likewise.
1821 * layout.cc (Layout::create_symtab_sections): Cast the result of
1822 local_symcount * symsize to off_t in the gold_assert.
1824 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1826 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1827 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1829 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1830 (Arm_relocate_functions::thm_abs5): New function.
1831 (Arm_relocate_functions::abs12): New function.
1832 (Arm_relocate_functions::abs16): New function.
1833 (Arm_relocate_functions::base_abs): New function.
1834 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1835 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
1836 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1838 (Scan::global): Likewise.
1839 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1840 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1841 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1842 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1845 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1847 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1848 (Arm_relocate_functions::movt_prel): New function.
1849 (Arm_relocate_functions::thm_movw_prel_nc): New function.
1850 (Arm_relocate_functions::thm_movt_prel): New function.
1851 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1852 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1853 (Scan::global, Relocate::relocate): Likewise.
1854 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1856 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
1858 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1859 Incremental_checker.
1860 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1862 (class Incremental_inputs_header): New class.
1863 (Incremental_inputs_header_writer): Edit comment.
1864 (Incremental_inputs_entry): New class.
1865 (Incremental_inputs_entry_writer): Edit comment.
1866 (Sized_incremental_binary::do_find_incremental_inputs_section):
1867 Add *strtab_shndx parameter, fill it.
1868 (Sized_incremental_binary::do_check_inputs): New method.
1869 (Incremental_checker::can_incrementally_link_output_file): Use
1870 Sized_incremental_binary::check_inputs.
1871 (Incremental_inputs::report_command_line): Save command line in
1874 (Incremental_binary::find_incremental_inputs_section): New
1876 (Incremental_binary::do_find_incremental_inputs_section): Add
1877 strtab_shndx parameter.
1878 (Incremental_binary::do_check_inputs): New pure virtual method.
1879 (Sized_incremental_binary::do_check_inputs): Declare.
1880 (Incremental_checker::Incremental_checker): Add incremental_inputs
1881 parameter, use it to initialize incremental_inputs_.
1882 (Incremental_checker::incremental_inputs_): New field.
1883 (Incremental_checker::command_line): New method.
1884 (Incremental_checker::inputs): New method.
1885 (Incremental_checker::command_line_): New field.
1887 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
1889 * incremental.cc: Include <cstdarg> and "target-select.h".
1890 (vexplain_no_incremental): New function.
1891 (explain_no_incremental): New function.
1892 (Incremental_binary::error): New method.
1893 (Sized_incremental_binary::do_find_incremental_inputs_section): New
1895 (make_sized_incremental_binary): New function.
1896 (open_incremental_binary): New function.
1897 (can_incrementally_link_file): Add checks if output is ELF and has
1899 * incremental.h: Include "elfcpp_file.h" and "output.h".
1900 (Incremental_binary): New class.
1901 (Sized_incremental_binary): New class.
1902 (open_incremental_binary): Declare.
1903 * object.cc (is_elf_object): Use
1904 elfcpp::Elf_recognizer::is_elf_file.
1905 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1906 * output.h (Output_file::filesize): New method.
1908 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1910 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1912 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1913 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1915 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1917 (Arm_relocate_functions::movw_abs_nc): New function.
1918 (Arm_relocate_functions::movt_abs): New function.
1919 (Arm_relocate_functions::thm_movw_abs_nc): New function.
1920 (Arm_relocate_functions::thm_movt_abs): New function.
1921 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1922 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1923 (Scan::global): Likewise.
1924 (Relocate::relocate): Likewise.
1925 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1927 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1929 * arm.cc (Arm_relocate_functions::got_prel) New function.
1930 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1931 (Relocate::relocate): Likewise.
1932 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1934 2009-10-06 Ian Lance Taylor <iant@google.com>
1936 * options.h (class General_options): Define
1937 split_stack_adjust_size parameter.
1938 * object.h (class Object): Add uses_split_stack_ and
1939 has_no_split_stack_ fields. Add uses_split_stack and
1940 has_no_split_stack accessor functions. Declare
1941 handle_split_stack_section.
1942 (class Reloc_symbol_changes): Define.
1943 (class Sized_relobj): Define Function_offsets. Declare
1944 split_stack_adjust, split_stack_adjust_reltype, and
1946 * object.cc (Object::handle_split_stack_section): New function.
1947 (Sized_relobj::do_layout): Call handle_split_stack_section.
1948 * dynobj.cc (Sized_dynobj::do_layout): Call
1949 handle_split_stack_section.
1950 * reloc.cc (Sized_relobj::relocate_sections): Call
1951 split_stack_adjust for executable sections in split_stack
1952 objects. Pass reloc_map to relocate_section.
1953 (Sized_relobj::split_stack_adjust): New function.
1954 (Sized_relobj::split_stack_adjust_reltype): New function.
1955 (Sized_relobj::find_functions): New function.
1956 * target-reloc.h: Include "object.h".
1957 (relocate_section): Add reloc_symbol_changes parameter. Change
1959 * target.h (class Target): Add calls_non_split method. Declare
1960 do_calls_non_split virtual method. Declare match_view and
1962 * target.cc: Include "elfcpp.h".
1963 (Target::do_calls_non_split): New function.
1964 (Target::match_view): New function.
1965 (Target::set_view_to_nop): New function.
1966 * gold.cc (queue_middle_tasks): Give an error if mixing
1967 split-stack and non-split-stack objects with -r.
1968 * i386.cc (Target_i386::relocate_section): Add
1969 reloc_symbol_changes parameter.
1970 (Target_i386::do_calls_non_split): New function.
1971 * x86_64.cc (Target_x86_64::relocate_section): Add
1972 reloc_symbol_changes parameter.
1973 (Target_x86_64::do_calls_non_split): New function.
1974 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1976 * powerpc.cc (Target_powerpc::relocate_section): Add
1977 reloc_symbol_changes parameter.
1978 * sparc.cc (Target_sparc::relocate_section): Add
1979 reloc_symbol_changes parameter.
1980 * configure.ac: Call AM_CONDITIONAL for the default target.
1981 * configure: Rebuild.
1982 * testsuite/Makefile.am (TEST_AS): New variable.
1983 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1984 (check_DATA): Add split_i386 and split_x86_64 files.
1985 (SPLIT_DEFSYMS): Define.
1986 (split_i386_[1234n].o): New targets.
1987 (split_i386_[124]): New targets.
1988 (split_i386_[1234r].stdout): New targets.
1989 (split_x86_64_[1234n].o): New targets.
1990 (split_x86_64_[124]): New targets.
1991 (split_x86_64_[1234r].stdout): New targets.
1992 (MOSTLYCLEANFILES): Add new executables.
1993 * testsuite/split_i386.sh: New file.
1994 * testsuite/split_x86_64.sh: New file.
1995 * testsuite/split_i386_1.s: New file.
1996 * testsuite/split_i386_2.s: New file.
1997 * testsuite/split_i386_3.s: New file.
1998 * testsuite/split_i386_4.s: New file.
1999 * testsuite/split_i386_n.s: New file.
2000 * testsuite/split_x86_64_1.s: New file.
2001 * testsuite/split_x86_64_2.s: New file.
2002 * testsuite/split_x86_64_3.s: New file.
2003 * testsuite/split_x86_64_4.s: New file.
2004 * testsuite/split_x86_64_n.s: New file.
2005 * testsuite/testfile.cc (Target_test): Update relocation_section
2007 * testsuite/Makefile.in: Rebuild.
2009 2009-10-06 Ian Lance Taylor <iant@google.com>
2011 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2012 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2013 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
2014 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2015 the address on ldo_addrs_.
2016 (Target_i386::Relocate::fix_up_ldo): New function.
2018 2009-10-06 Rafael Espindola <espindola@google.com>
2020 * plugin.cc (add_input_library): New.
2021 (Plugin::load): Add add_input_library to tv.
2022 (Plugin_manager::add_input_file): Add the is_lib argument.
2023 (add_input_file): Update call to Plugin_manager::add_input_file.
2024 (add_input_library): New.
2025 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2027 2009-09-30 Doug Kwan <dougkwan@google.com>
2029 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2030 symbol and call Symbol::may_need_copy_reloc to determine if
2031 a copy reloc is needed.
2032 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2033 nocopyreloc is given in command line.
2034 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2035 given in command line.
2036 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2037 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2038 of the removed Target_i386::may_need_copy_reloc.
2039 * options.h (copyreloc): New option with default value false.
2040 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2041 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2042 instead of the removed Target_powerpc::may_need_copy_reloc.
2043 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2044 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2045 instead of the removed Target_sparc::may_need_copy_reloc.
2046 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2047 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2048 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2049 instead of the removed Target_x86_64::may_need_copy_reloc.
2051 2009-09-30 Ian Lance Taylor <iant@google.com>
2053 * object.h (class Object): Remove target_ field, and target,
2054 sized_target, and set_target methods.
2055 (Object::sized_target): Remove.
2056 (class Sized_relobj): Update declarations. Remove sized_target.
2057 * object.cc (Sized_relobj::setup): Remove target parameter.
2059 (Input_objects::add_object): Don't do anything with the target.
2060 (make_elf_sized_object): Add punconfigured parameter. Change all
2061 callers. Set or test parameter target.
2062 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2064 * parameters.cc (Parameters::set_target): Change parameter type to
2066 (Parameters::default_target): Remove.
2067 (set_parameters_target): Change parameter type to be non-const.
2068 (parameters_force_valid_target): New function.
2069 (parameters_clear_target): New function.
2070 * parameters.h (class Parameters): Update declarations. Remove
2071 default_target method. Add sized_target and clear_target
2072 methods. Change target_ to be non-const.
2073 (set_parameters_target): Update declaration.
2074 (parameters_force_valid_target): Declare.
2075 (parameters_clear_target): Declare.
2076 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
2077 as NULL if we aren't searching.
2078 (Add_symbols::run): Don't check for compatible target.
2079 * fileread.cc (Input_file::open_binary): Call
2080 parameters_force_valid_target.
2081 * gold.cc (queue_middle_tasks): Likewise.
2082 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
2083 set_target on object.
2084 * dynobj.h (class Sized_dynobj): Update declarations.
2085 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
2086 make_elf_object returns NULL.
2087 (Archive::include_member): Don't check whether object target is
2089 * output.cc (Output_section::add_input_section): Get target from
2091 (Output_section::relax_input_section): Likewise.
2092 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
2094 (Sized_relobj::do_scan_relocs): Likewise.
2095 (Sized_relobj::relocate_sections): Likewise.
2096 * resolve.cc (Symbol_table::resolve): Likewise.
2097 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
2098 parameter. Change all callers.
2099 (Symbol_table::add_from_object): Get target from parameters.
2100 (Symbol_table::add_from_relobj): Don't check object target.
2101 (Symbol_table::add_from_dynobj): Likewise.
2102 (Symbol_table::define_special_symbol): Get target from
2104 * symtab.h (class Symbol_table): Update declaration.
2105 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
2106 parameter. Change all callers. Clear parameter target.
2107 (Binary_test): Test target here.
2108 * testsuite/object_unittest.cc (gold_testsuite): Remove
2109 target_test_pointer parameter. Change all callers.
2110 (Object_test): Test target here.
2112 2009-09-26 Ian Lance Taylor <iant@google.com>
2114 * testsuite/initpri1.c: Don't try to use constructor priorities if
2115 compiling with gcc before 4.3.
2117 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
2119 * testsuite/retain_symbols_file_test.sh (check_present): Change
2120 output file name to retain_symbols_file_test.stdout.
2121 (check_absent): Likewise.
2123 2009-09-18 Craig Silverstein <csilvers@google.com>
2125 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
2126 * options.cc: Include <cerrno> and <fstream>.
2127 (General_options::finalize): Parse -retain-symbols-file tag.
2128 * options.h: New flag.
2129 (General_options): New method should_retain_symbol, new
2130 variable symbols_to_retain.
2131 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
2132 should_retain_symbol map.
2133 * testsuite/Makefile.am (retain_symbols_file_test): New test.
2134 * testsuite/Makefile.in: Regenerate.
2135 * testsuite/retain_symbols_file_test.sh: New file.
2137 2009-09-18 Nick Clifton <nickc@redhat.com>
2139 * po/es.po: Updated Spanish translation.
2141 2009-09-17 Doug Kwan <dougkwan@google.com>
2143 * debug.h (DEBUG_RELAXATION): New constant.
2144 (DEBUG_ALL): Add DEBUG_RELAXATION.
2145 (debug_string_to_enum): Add relaxation debug option.
2147 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
2148 Layout::Relaxation_debug_check::read_sections,
2149 Layout::Relaxation_debug_check::read_sections): New method definitions.
2150 (Layout::Layout): Initialize data members
2151 record_output_section_data_from_scrips_,
2152 script_output_section_data_list_ and relaxation_debug_check_.
2153 (Layout::save_segments, Layout::restore_segments,
2154 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2155 Layout::relaxation_loop_body): New method definitions.
2156 (Layout::finalize): Support relaxation. Move section layout code to
2157 Layout::relaxation_loop_body.
2158 (Layout::set_asection_address_from_script): Move code for orphan
2159 section placement out.
2160 (Layout::place_orphan_sections_in_script): New method definition.
2161 * layout.h (Output_segment_headers, Output_file_header):
2162 New forward class declarations.
2163 (Layout::~Layout): Define.
2164 (Layout::new_output_section_data_from_script): New method definition.
2165 (Layout::place_orphan_sections_in_script): New method declaration.
2166 (Layout::Segment_states): New type declaration.
2167 (Layout::save_segments, Layout::restore_segments,
2168 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2169 Layout::relaxation_loop_body): New method declarations.
2170 (Layout::Output_section_data_list): New type declaration.
2171 (Layout::Relaxation_debug_check): New class definition.
2172 (Layout::record_output_section_data_from_script_,
2173 Layout::script_output_section_data_list_, Layout::segment_states_,
2174 Layout::relaxation_debug_check_): New data members.
2175 * output.cc: (Output_section_headers::do_size): New method definition.
2176 (Output_section_headers::Output_section_headers): Move size
2177 computation to Output_section_headers::do_size.
2178 (Output_segment_headers::do_size): New method definition.
2179 (Output_file_header::Output_file_header): Move size computation to
2180 Output_file_header::do_size and call it.
2181 (Output_file_header::do_size): New method definition.
2182 (Output_data_group::Output_data_group): Adjust call to
2183 Output_section_data.
2184 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
2185 (Output_symtab_xindex::do_write): Add array bound check.
2186 (Output_section::Input_section::print_to_mapfile): Handle
2187 RELAXED_INPUT_SECTION_CODE.
2188 (Output_section::Output_section): Initialize data member checkpoint_.
2189 (Output_section::~Output_section): Delete checkpoint object pointed
2191 (Output_section::add_input_section): Always add an Input_section if
2193 (Output_section::add_merge_input_section): Add assert.
2194 (Output_section::relax_input_section): New method definition.
2195 (Output_section::set_final_data_size): Set load address to zero for
2196 an unallocated section.
2197 (Output_section::do_address_and_file_offset_have_reset_values):
2198 New method definition.
2199 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2200 Handle relaxed input section.
2201 (Output_section::sort_attached_input_sections): Checkpoint input
2202 section list lazily.
2203 (Output_section::get_input_sections): Change type of input_sections to
2204 list of Simple_input_section pointers. Checkpoint input section list
2205 lazily. Also handle relaxed input sections.
2206 (Output_section::add_input_section_for_script): Take a reference to
2207 a Simple_input_section object instead of Relobj pointer and section
2208 index as parameter. Handle relaxed input sections.
2209 (Output_section::save_states, Output_section::restore_states): New
2211 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2212 (Output_data::is_data_size_fixed): New method definition.
2213 (Output_data::reset_addresss_and_file_offset): Do not reset data size
2215 (Output_data::address_and_file_offset_have_reset_values): New method
2217 (Output_data::do_address_and_file_offset_have_reset_values): New method
2219 (Output_data::set_data_size): Check that data size is not fixed.
2220 (Output_data::fix_data_size): New method definition.
2221 (Output_data::is_data_size_fixed_): New data member.
2222 (Output_section_headers::set_final_data_size): New method definition.
2223 (Output_section_headers::do_size): New method declaration.
2224 (Output_segment_headers::set_final_data_size): New method definition.
2225 (Output_segment_headers::do_size): New method declaration.
2226 (Output_file_header::set_final_data_size)::New method definition.
2227 (Output_file_header::do_size)::New method declaration.
2228 (Output_section_data::Output_section_data): Add new parameter
2229 is_data_size_fixed and use it to fix data size.
2230 (Output_data_const::Output_data_const): Adjust call to base class
2231 constructor and fix data size.
2232 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2233 base class constructor and fix data size.
2234 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2235 base class constructor and fix data size.
2236 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2237 class constructor and fix data size.
2238 (Output_data_group::set_final_data_size): New method definition.
2239 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2240 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2241 class constructor and fix data size.
2242 (Output_relaxed_input_section): New class definition.
2243 (Output_section::Simple_input_section): New class definition.
2244 (Output_section::get_input_sections): Adjust parameter list.
2245 (Output_section::add_input_section_for_script): Same.
2246 (Output_section::save_states, Output_section::restore_states,
2247 Output_section::do_address_and_file_offset_have_reset_values,
2248 (Output_section::Input_section::Input_section): Handle
2249 RELAXED_INPUT_SECTION_CODE. Add new overload for
2250 Output_relaxed_input_section.
2251 (Output_section::Input_section::is_input_section,
2252 Output_section::Input_section::set_output_section): Handle relaxed
2254 (Output_section::Input_section::is_relaxed_input_section,
2255 Output_section::Input_section::output_section_data,
2256 Output_section::Input_section::relaxed_input_section): New method
2258 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2260 (Output_section::Input_section::u1_): Update comments.
2261 (Output_section::Input_section::u2_): Add new union member poris.
2262 (Output_section::Checkpoint_output_section): New classs definition.
2263 (Output_section::relax_input_section): New method declaration.
2264 (Output_section::checkpoint_): New data member.
2265 (Output_segment): Update comments.
2266 (Output_segment::Output_segment): Un-privatize copy constructor.
2267 (Output_segment::operator=): Un-privatize.
2268 * script-sections.cc (Output_section_element::Input_section_list):
2269 Change element type to Output_section::Simple_input_section.
2270 (Output_section_element_dot_assignment::set_section_addresses):
2271 Register output section data for relaxation clean up.
2272 (Output_data_exression::Output_data_expression): Adjust call to base
2273 constructor to fix data size.
2274 (Output_section_element_data::set_section_addresses): Register
2275 Output_data_expression object for relaxation clean up.
2276 (struct Input_section_info): Replace Relobj pointer and section index
2277 pair with Output_section::Simple_input_section and Convert struct to a
2279 (Input_section_sorter::operator()): Adjust access to
2280 Input_section_info data member to use accessors.
2281 (Output_section_element_input::set_section_addresses): Use layout
2282 parameter. Adjust code to use Output_section::Simple_input_section
2283 and Input_secction_info classes. Register filler for relaxation
2285 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2286 and section index pair with Output_section::Simple_input_section
2287 class. Adjust code accordingly.
2288 (Phdrs_element::release_segment): New method definition.
2289 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2291 (Script_sections::release_segments): New method definition.
2292 * gold/script-sections.h (Script_sections::release_segments): New
2294 * gold/target.h (Target::may_relax, Target::relax,
2295 Target::do_may_relax, Target::do_relax): New method definitions.
2297 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2299 * arm.cc (has_signed_unsigned_overflow): New function.
2300 (Arm_relocate_functions::abs8): New function.
2301 (Target_arm::Scan::local): Handle R_ARM_ABS8.
2302 (Target_arm::Scan::global): Likewise.
2303 (Target_arm::relocate::relocate): Likewise.
2304 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2307 2009-09-16 Cary Coutant <ccoutant@google.com>
2309 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2310 * testsuite/Makefile.in: Regenerate.
2312 2009-09-11 Nick Clifton <nickc@redhat.com>
2314 * po/gold.pot: Updated by the Translation project.
2316 2009-09-08 Cary Coutant <ccoutant@google.com>
2318 * output.cc (Output_file::open): Add execute permission to empty file.
2319 * testsuite/Makefile.am (permission_test): New test.
2320 * testsuite/Makefile.in: Regenerate.
2322 2009-09-02 Ian Lance Taylor <iant@google.com>
2324 * output.cc (Output_file::resize): Call map_no_anonymous rather
2327 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
2329 * gold.cc: Include "incremental.h".
2330 (queue_initial_tasks): Call Incremental_checker methods.
2331 * incremental.cc: Include "output.h".
2332 (Incremental_checker::can_incrementally_link_output_file): New
2334 * incremental.h (Incremental_checker): New class.
2336 * output.cc (Output_file::open_for_modification): New method.
2337 (Output_file::map_anonymous): Changed return type to bool. Record
2339 (Output_file::map_no_anonymous): New method, broken out of map.
2340 (Output_file::map): Use map_no_anonymous and map_anonymous.
2341 * output.h (class Output_file): Update declarations.
2343 2009-08-24 Cary Coutant <ccoutant@google.com>
2345 * options.h (Command_line::Pre_options): New class.
2346 (Command_line::pre_options): New member.
2347 * options.cc (gold::options::ready_to_register): New variable.
2348 (One_option::register_option): Do nothing if not registering options.
2349 Assert if same short option registered twice.
2350 (General_options::General_options): Turn off option registration when
2352 (Command_line::Pre_options::Pre_options): New constructor.
2354 2009-08-24 Cary Coutant <ccoutant@google.com>
2356 * options.h (General_options::no_keep_memory): Remove incorrect
2359 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2361 * Makefile.am (am__skiplex, am__skipyacc): New.
2362 * Makefile.in: Regenerate.
2364 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2366 * Makefile.am (AM_CPPFLAGS): Renamed from ...
2367 (INCLUDES): ... this.
2368 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2369 (AM_CPPFLAGS): Renamed from ...
2370 (INCLUDE): ... this.
2371 * Makefile.in, testsuite/Makefile.in: Regenerate.
2373 * Makefile.in: Regenerate.
2374 * aclocal.m4: Likewise.
2375 * config.in: Likewise.
2376 * configure: Likewise.
2377 * testsuite/Makefile.in: Likewise.
2379 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2380 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2381 * Makefile.in: Regenerate.
2382 * testsuite/Makefile.in: Regenerate.
2384 2009-08-19 Cary Coutant <ccoutant@google.com>
2386 * resolve.cc (Symbol_table::resolve): Don't complain about defined
2387 symbols in shared libraries overridden by hidden or internal symbols
2388 in the main program.
2390 2009-08-19 Chris Demetriou <cgd@google.com>
2392 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2393 checking source file names in error messages.
2395 2009-08-18 Doug Kwan <dougkwan@google.com>
2397 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2398 an elcpp::Ehdr as parameter. Adjust call to set_target.
2399 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2400 an elfcpp::Ehdr as parameter.
2401 * object.cc (Object::set_target): Remove the version that looks up
2402 a target and sets it.
2403 (Sized_relobj::setup): Take a Target object instead of
2404 an elfcpp::Ehdr as parameter. Adjust call to set_target.
2405 (make_elf_sized_object): Find target and ask target to
2407 * object.h: (Object::set_target): Remove the version that looks up
2408 a target and sets it.
2409 (Sized_relobj::setup): Take a Target object instead of
2410 an elfcpp:Ehdr as parameter.
2411 * target.cc: Include dynobj.h.
2412 (Target::do_make_elf_object_implementation): New.
2413 (Target::do_make_elf_object): New.
2414 * target.h (Target::make_elf_object): New template declaration.
2415 (Target::do_make_elf_object): New method declarations.
2416 (Target::do_make_elf_object_implementation): New template declaration.
2418 2009-08-14 Ian Lance Taylor <iant@google.com>
2420 * gold.h (FUNCTION_NAME): Define.
2421 (gold_unreachable): Use FUNCTION_NAME.
2423 2009-08-12 Sriraman Tallam <tmsriram@google.com>
2425 * icf.cc (Icf::find_identical_sections): Issue a warning when a
2426 symbol in the --keep-unique list is not found.
2428 2009-08-12 Sriraman Tallam <tmsriram@google.com>
2430 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2431 been maked as --keep-unique.
2432 (Icf::unfold_section): New function.
2433 * icf.h (Icf::unfold_section): New function.
2434 * options.h (General_options::keep_unique): New option.
2435 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2436 * testsuite/Makefile.in: Regenerate.
2437 * testsuite/icf_keep_unique_test.sh: New file.
2438 * testsuite/icf_keep_unique_test.cc: New file.
2440 2009-08-12 Cary Coutant <ccoutant@google.com>
2443 * resolve.cc (Symbol_table::resolve): Check for references from
2444 dynamic objects to hidden and internal symbols.
2445 * testsuite/Makefile.am (hidden_test.sh): New test.
2446 * testsuite/Makefile.in: Regenerate.
2447 * testsuite/hidden_test.sh: New script.
2448 * testsuite/hidden_test_1.c: New test source.
2449 * testsuite/hidden_test_main.c: New test source.
2451 2009-08-11 Doug Kwan <dougkwan@google.com>
2453 * arm.cc: Update comments.
2454 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2455 segment to locate the .ARM.exidx section if present.
2457 2009-08-09 Doug Kwan <dougkwan@google.com>
2459 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2462 2009-08-07 Sriraman Tallam <tmsriram@google.com>
2463 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2466 2009-08-06 Sriraman Tallam <tmsriram@google.com>
2468 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2469 valid tls_segment only for non-debug-section relocations.
2470 * testsuite/Makefile.am: Add gc_tls_test.
2471 * testsuite/Makefile.in: Regenerate.
2472 * testsuite/gc_tls_test.cc: New file.
2473 * testsuite/gc_tls_test.sh: New file.
2475 2009-08-05 Sriraman Tallam <tmsriram@google.com>
2479 * Makefile.am (CCFILES): Add icf.cc.
2481 * Makefile.in: Regenerate.
2482 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2483 * gc.h (gc_process_relocs): Populate lists used by icf to contain
2484 section, symbol and addend information for the relocs.
2485 * gold.cc (queue_middle_tasks): Call identical code folding.
2486 * gold.h: Add defines for multimap.
2487 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2488 to the call of finalize_local_symbols.
2489 * main.cc (main): Create object of class Icf.
2490 * object.cc (Sized_relobj::do_layout): Allow this function to be
2491 called twice during icf.
2492 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2493 to sections marked as identical by icf.
2494 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2496 (Sized_relobj::do_section_entsize): New function.
2497 * object.h (Object::section_entsize): New function.
2498 (Object::do_section_entsize): New pure virtual function.
2499 (Relobj::finalize_local_symbols): Add new parameter.
2500 (Relobj::do_section_entsize): New function.
2501 * options.h (General_options::icf): New option.
2502 (General_options::icf_iterations): New option.
2503 (General_options::print_icf_sections): New option.
2504 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2505 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2506 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2508 * symtab.cc (Symbol_table::is_section_folded): New function.
2509 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
2510 to sections marked as identical by icf.
2511 * symtab.h (Symbol_table::set_icf): New function.
2512 (Symbol_table::icf): New function.
2513 (Symbol_table::is_section_folded): New function.
2514 (Symbol_table::icf_): New data member.
2515 * target-reloc.h (relocate_section): Ignore sections folded by icf.
2516 * testsuite/Makefile.am: Add commands to build icf_test.
2517 * testsuite/Makefile.in: Regenerate.
2518 * testsuite/icf_test.sh: New file.
2519 * testsuite/icf_test.cc: New file.
2521 2009-07-24 Chris Demetriou <cgd@google.com>
2523 * layout.cc (is_compressible_debug_section): Fix incorrect
2524 comment about compressed section names.
2526 2009-07-20 Ian Lance Taylor <ian@airs.com>
2529 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2531 2009-07-16 Ian Lance Taylor <iant@google.com>
2534 * layout.h: #include <map>.
2535 (class Kept_section): Change from struct to class. Add accessors
2536 and setters. Add section size to Comdat_group mapping. Change
2537 Comdat_group to std::map. Add is_comdat_ field. Add
2538 linkonce_size field in union.
2539 (class Layout): Update declaration of find_or_add_kept_section.
2540 Don't declare find_kept_object.
2541 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2542 parameter. Add object, shndx, is_comdat, and is_group_name
2543 parameters. Change all callers. Adjust for new Kept_section.
2544 (Layout::find_kept_object): Remove.
2545 * object.cc (Sized_relobj::include_section_group): Update use of
2546 Kept_section. Rename secnum to shndx. Only record
2547 Kept_comdat_section if sections are the same size.
2548 (Sized_relobj::include_linkonce_section): Update use of
2549 Kept_section. Only record Kept_comdat_section if sections are the
2550 same size. Set size of linkonce section.
2551 (Sized_relobj::map_to_kept_section): Update call to
2552 get_kept_comdat_section.
2553 * object.h (class Sized_relobj): Rename fields in
2554 Kept_comdat_section to drop trailing underscores; change object
2555 field to Relobj*. Change Kept_comdat_section_table to store
2556 struct rather than pointer.
2557 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2558 Add kept_object and kept_shndx parameters. Change all callers.
2559 (Sized_relobj::get_kept_comdat_section): Change return type to
2560 bool. Add kept_object and kept_shndx parameters. Change all
2562 * plugin.cc (Pluginobj::include_comdat_group): Update call to
2563 Layout::find_or_add_kept_section.
2565 2009-07-09 Ian Lance Taylor <iant@google.com>
2567 * merge.cc (Object_merge_map::initialize_input_to_output_map):
2568 Reserve space in the hash table.
2570 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
2572 * fileread.cc (File_read::get_mtime): New method.
2573 * fileread.h (Timespec): New structure.
2574 (File_read::get_mtime): New method.
2575 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2576 Renamed from timestamp_nsec.
2577 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2579 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2581 (Incremental_inputs::report_archive): Save mtime; style fix.
2582 (Incremental_inputs::report_obejct): Save mtime; style fix.
2583 (Incremental_inputs::report_script): Save mtime; style fix.
2584 (Incremental_inputs::finalize_inputs): Style fix.
2585 (Incremental_inputs::finalize): Style fix.
2586 (Incremental_inputs::create_input_section_data): Store inputs
2588 * incremental.h (Incremental_inputs::report_script): Add mtime
2590 (Incremental_inputs::Input_info::Input_info): Intialize only one
2592 (Incremental_inputs::Input_info::archive): Move to nameless
2594 (Incremental_inputs::Input_info::obejct): Move to nameless union.
2595 (Incremental_inputs::Input_info::script): Move to nameless union.
2596 (Incremental_inputs::mtime): New field.
2597 * script.cc (read_input_script): Pass file mtime to
2599 * script.h (Script_info::inputs): Style fix.
2601 2009-07-01 Ian Lance Taylor <ian@airs.com>
2603 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2606 2009-06-24 Ian Lance Taylor <iant@google.com>
2609 * layout.cc (Layout::choose_output_section): If we find an
2610 existing section, update the flags.
2611 (Layout::create_notes): New function, broken out of
2613 (Layout::finalize): Don't create note sections.
2614 (Layout::create_note): Don't crash if linker script discards
2616 (Layout::create_gold_note): Likewise.
2617 (Layout::create_build_id): Likewise. Don't set
2618 after_input_sections on the section.
2619 (Layout::create_executable_stack_info): Remove target parameter.
2621 * layout.h (class Layout): Declare create_notes. Update
2622 declaration of create_executable_stack_info.
2623 * gold.cc (queue_middle_tasks): Call create_notes.
2624 * output.cc (Output_section::update_flags_for_input_section): Move
2625 here from output.h. If SHF_ALLOC flag is newly set, mark address
2627 * output.h (Output_data::mark_address_invalid): New function.
2628 (class Output_section): Only declare, not define,
2629 update_flags_for_input_section. Remove set_flags.
2631 2009-06-24 Ian Lance Taylor <iant@google.com>
2633 * script-sections.cc (Output_section_definition::
2634 set_section_addresses): Rename shadowing local load_address to
2637 2009-06-24 Ian Lance Taylor <iant@google.com>
2640 * reloc.cc (relocate_sections): Skip empty relocation sections.
2642 2009-06-23 Ian Lance Taylor <iant@google.com>
2645 * layout.cc (Layout::create_note): Use choose_output_section
2646 rather than make_output_section.
2648 2009-06-23 Ian Lance Taylor <iant@google.com>
2651 * options.cc (General_options::parse_V): Set printed_version_.
2652 (General_options::General_options): Initialize printed_version_.
2653 * options.h (class General_options): Add printed_version_ field.
2654 * gold.cc (queue_initial_tasks): If there are no input files,
2655 don't give a fatal error if we printed the version information.
2656 (queue_middle_tasks): If using -r with a shared object, give a
2657 fatal error rather than an ordinary error.
2659 2009-06-23 Ian Lance Taylor <iant@google.com>
2662 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2663 (Layout::make_output_section): Set have_stabstr_section_ if we see
2664 a .stab*str section.
2665 (Layout::finalize): Call link_stabs_sections.
2666 (Layout::link_stabs_sections): New file.
2667 * layout.h (class Layout): Add have_stabstr_section_ field.
2668 Declare link_stabs_sections.
2670 2009-06-23 Doug Kwan <dougkwan@google.com>
2672 * Makefile.am (libgold_a_LIBADD): New.
2673 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2674 * Makefile.in: Regenerate.
2675 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2676 * configure: Regenerate.
2677 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2678 * fileread.cc: Include sys/state.h
2679 * gold.h: Declare memmem and strndup if found missing.
2680 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2682 2009-06-23 Ian Lance Taylor <iant@google.com>
2684 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2685 * configure: Rebuild.
2687 2009-06-23 Ian Lance Taylor <iant@google.com>
2690 * object.cc (Object::section_contents): Don't try to get a view if
2691 the section has length zero.
2692 (Object::handle_gnu_warning_section): If the section is empty, use
2693 the name of the section as the warning.
2695 2009-06-23 Ian Lance Taylor <iant@google.com>
2698 * stringpool.h (class Stringpool_template): Add optimize_ field.
2699 (Stringpool_template::set_optimize): New function.
2700 * stringpool.cc (Stringpool_template::Stringpool_template):
2701 Initialize optimize_ field.
2702 (Stringpool_template::set_string_offsets): Test local optimize
2703 fild rather than parameter.
2704 * layout.cc (Layout::Layout): Call set_optimize on the section
2707 2009-06-22 Ian Lance Taylor <iant@google.com>
2710 * yyscript.y: Parse TARGET.
2711 * script.cc (script_set_target): New function.
2712 * script-c.h (script_set_target): Declare.
2713 * options.cc (General_options::string_to_object_format): Rename
2714 from string_to_object_format in anonymous namespace. Change
2716 * options.h (class General_options): Declare
2717 string_to_object_format.
2719 2009-06-22 Ian Lance Taylor <iant@google.com>
2721 * script-sections.cc (Script_sections::create_segments): Don't put
2722 program headers in a PT_LOAD segment if -n or -N.
2724 2009-06-22 Ian Lance Taylor <iant@google.com>
2727 * options.h (class General_options): Add -z lazy and -z now. Sort
2728 -z options into alphabetical order.
2729 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2731 2009-06-21 Ian Lance Taylor <iant@google.com>
2733 * layout.cc (Layout::make_output_section): Call
2734 Target::new_output_section.
2735 (Layout::attach_allocated_section_to_segment): Put large section
2736 sections in a separate load segment with the large segment flag
2738 (Layout::segment_precedes): Sort large data segments after other
2740 (align_file_offset): New static function.
2741 (Layout::set_segment_offsets): Use align_file_offset.
2742 * output.h (class Output_section): Add is_small_section_ and
2743 is_large_section_ fields.
2744 (Output_section::is_small_section): New function.
2745 (Output_section::set_is_small_section): New function.
2746 (Output_section::is_large_section): New function.
2747 (Output_section::set_is_large_section): New function.
2748 (Output_section::is_large_data_section): New function.
2749 (class Output_segment): Add is_large_data_segment_ field.
2750 (Output_segment::is_large_data_segment): New function.
2751 (Output_segment::set_is_large_data_segment): New function.
2752 * output.cc (Output_section::Output_section): Initialize new
2754 (Output_segment::Output_segment): Likewise.
2755 (Output_segment::add_output_section): Add assertion that large
2756 data sections always go in large data segments. Force small data
2757 sections to the end of the list of data sections. Force small BSS
2758 sections to the start of the list of BSS sections. For large BSS
2759 sections to the end of the list of BSS sections.
2760 * symtab.h (class Symbol): Declare is_common_shndx.
2761 (Symbol::is_defined): Check Symbol::is_common_shndx.
2762 (Symbol::is_common): Likewise.
2763 (class Symbol_table): Define enum Commons_section_type. Update
2764 declarations. Add small_commons_ and large_commons_ fields.
2765 * symtab.cc (Symbol::is_common_shndx): New function.
2766 (Symbol_table::Symbol_table): Initialize new fields.
2767 (Symbol_table::add_from_object): Put small and large common
2768 symbols in the right list.
2769 (Symbol_table::sized_finalized_symbol): Check
2770 Symbol::is_common_shndx.
2771 (Symbol_table::sized_write_globals): Likewise.
2772 * common.cc (Symbol_table::do_allocate_commons): Allocate new
2773 common symbol lists. Don't call do_allocate_commons_list if the
2775 (Symbol_table::do_allocate_commons_list): Remove is_tls
2776 parameter. Add comons_section_type parameter. Change all
2777 callers. Handle small and large common symbols.
2778 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2779 Symbol::is_common_shndx.
2780 * resolve.cc (symbol_to_bits): Likewise.
2781 * target.h (Target::small_common_shndx): New function.
2782 (Target::small_common_section_flags): New function.
2783 (Target::large_common_shndx): New function.
2784 (Target::large_common_section_flags): New function.
2785 (Target::new_output_section): New function.
2786 (Target::Target_info): Add small_common_shndx, large_common_shndx,
2787 small_common_section_flags, and large_common_section_flags
2789 (Target::do_new_output_section): New virtual function.
2790 * arm.cc (Target_arm::arm_info): Initialize new fields.
2791 * i386.cc (Target_i386::i386_info): Likewise.
2792 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2794 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2795 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2796 (Target_x86_64::do_new_output_section): New function.
2797 * configure.ac: Define conditional MCMODEL_MEDIUM.
2798 * testsuite/Makefile.am (check_PROGRAMS): Add large.
2799 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2800 (large_LDFLAGS): Define.
2801 * testsuite/large.c: New file.
2802 * testsuite/testfile.cc (Target_test::test_target_info):
2803 Initialize new fields.
2804 * configure, testsuite/Makefile.in: Rebuild.
2806 2009-06-05 Doug Kwan <dougkwan@google.com>
2808 * Makefile.am (CCFILES): Add target.cc.
2809 * Makefile.in: Regenerate.
2810 * i386.cc (class Target_i386): Define new virtual method to
2811 override do_is_local_label_name in parent.
2812 * object.cc (Sized_relobj::do_count_local_symbols): Discard
2813 local symbols if --discard-locals or -X is given.
2814 * options.h (class General_options): Declare new options
2815 '--discard-locals' and '-X' for discarding locals.
2816 * target.h (class Target): Define new methods is_local_label_name.
2817 Declare new virtual method do_is_local_label_name.
2818 * target.cc: New file.
2819 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2820 (check_SCRIPTS): Add discard_locals_test.sh.
2821 (check_DATA): Add discard_local_tests.syms.
2822 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2823 (discard_local_tests.syms, discard_locals_test.o): New make rules.
2824 * testsuite/Makefile.in: Regenerate.
2825 * testsuite/discard_locals_test.c: New file.
2826 * testsuite/discard_locals_test.sh: Same.
2828 2009-06-05 Doug Kwan <dougkwan@google.com>
2830 * object.cc (Sized_relobj::Sized_relobj): Initialize
2831 discarded_eh_frame_shndx_ to -1U.
2832 (Sized_relobj::do_layout): Record index of a discard .eh_frame
2834 (Sized_relobj::do_count_local_symbols): Skip local symbols in
2835 a discarded .eh_frame section.
2836 (Sized_relobj::do_finalize_local_symbols): Ditto.
2837 * object.h (class Sized_relobj): Declare new member
2838 discarded_eh_frame_shndx_.
2839 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2840 (local_labels_test.o, local_labels_test): New rules.
2841 * testsuite/Makefile.in: Regenerate.
2843 2009-06-04 Doug Kwan <dougkwan@google.com>
2845 * layout.cc (Layout::section_name_mapping): Add mapping for
2846 special ARM sections.
2848 2009-06-03 Doug Kwan <dougkwan@google.com>
2850 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2851 (utils::has_overflow): Same.
2853 2009-06-03 Ian Lance Taylor <iant@google.com>
2855 * layout.cc (Layout::section_name_mapping): New array, replacing
2856 Layout::linkonce_mapping.
2857 (Layout::section_name_mapping_count): New variable, replacing
2858 Layout::linkonce_mapping_count.
2859 (Layout::linkonce_output_name): Remove.
2860 (Layout::output_section_name): Rewrite.
2861 * layout.h (class Layout): Rename Linkonce_mapping to
2862 Section_name_mapping, linkonce_mapping to section_name_mapping,
2863 linkonce_mapping_count to section_name_mapping_count. Don't
2864 declare linkonce_output_name.
2866 2009-06-03 Doug Kwan <dougkwan@google.com>
2868 * gold/arm.cc (namespace utils): New.
2869 (Target_arm::reloc_is_non_pic): Define new method.
2870 (class Arm_relocate_functions): New.
2871 (Target_arm::Relocate::relocate): Handle relocation types used by
2874 2009-06-03 Ian Lance Taylor <iant@google.com>
2876 * arm.cc (Target_arm::scan::global): Use || instead of |.
2878 2009-06-02 Doug Kwan <dougkwan@google.com>
2880 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
2881 issued_non_pic_error_.
2882 (class Target_arm::Scan): Declare new method check_non_pic.
2883 Define new method symbol_needs_plt_entry.
2884 Declare new data member issued_non_pic_error_.
2885 (class Target_arm::Relocate): Declare new method
2886 should_apply_static_reloc.
2887 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2888 (Target_arm::Scan::check_non_pic): Define new method.
2889 (Target_arm::Scan::local): Handle a small subset of reloc types used
2891 (Target_arm::Scan::local): Same.
2892 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2894 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
2896 * incremental.cc (Incremental_inputs::report_command_line): Filter
2897 out --incremental-* options.
2899 2009-05-29 Doug Kwan <dougkwan@google.com>
2901 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2903 (class Target_arm): Update comment.
2904 (Target_arm::Target_arm): Initialize new data members GOT_,
2905 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2906 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2907 and Target_arm::rel_dyn_section.
2908 Declare new_enum Target_arm::Got_type.
2909 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2911 Update commments for member do_dynsym_value.
2912 (Target_arm::got_size, Target_arm::plt_section,
2913 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2914 new methods inside class defintion.
2915 (Target_arm::got_section): Define new method.
2916 (Target_arm::rel_dyn_section): Same.
2917 (Output_data_plt_arm): New template class.
2918 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2919 (Output_data_plt_arm:do_adjust_output_section): Define new method.
2920 (Output_data_plt_arm::add_entry): Same.
2921 (Output_data_plt_arm::first_plt_entry): Define new
2922 static data member for PLT instruction template.
2923 (Output_data_plt_arm::plt_entry): Same.
2924 (Output_data_plt_arm::do_write): Define new method.
2925 (Target_arm::make_plt_entry): Same.
2926 (Target_arm::do_finalize_sections): Same.
2927 (Target_arm::do_dynsym_value): Same.
2929 2009-05-28 Doug Kwan <dougkwan@google.com>
2931 * Makefile.am (TARGETSOURCES): Add arm.cc.
2932 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2933 * Makefile.in: Regenerate.
2935 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2937 2009-05-26 Doug Kwan <dougkwan@google.com>
2939 * options.cc (General_options::parse_exclude_libs). Fix a comment.
2940 (General_options::check_excluded_libs): Strip off directories in
2941 archive name before matching like GNU ld does.
2942 * testsuite/Makefile.am (MOSTLYCLEANFILES,
2943 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2944 (exclude_libs_test_LDFLAGS): Add linker option
2945 -Wl,--exclude-libs,libexclude_libs_test_3
2946 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2947 an explicit archive without using -l.
2948 (alt/libexclude_libs_test_3.a): New make rule.
2949 * testsuite/Makefile.in: Regenerate.
2950 * testsuite/exclude_libs_test.c : Declare lib3_default().
2952 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2953 * exclude_libs_test_3.c: New file.
2955 2009-05-26 Nick Clifton <nickc@redhat.com>
2957 * po/id.po: New Indonesian translation.
2958 * po/gold.pot: Updated template file.
2960 2009-05-22 Sriraman Tallam <tmsriram@google.com>
2962 * testsuite/Makefile.am: Add -ffunction-sections to compile
2963 gc_comdat_test files. Add -Wl,--gc-sections to build
2965 * testsuite/Makefile.in: Regenerate.
2966 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2968 2009-05-21 Sriraman Tallam <tmsriram@google.com>
2970 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2971 kept comdat section was garbage collected.
2972 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2973 * testsuite/Makefile.in: Regenerate.
2974 * testsuite/gc_comdat_test.sh: New file.
2975 * testsuite/gc_comdat_test_1.cc: New file.
2976 * testsuite/gc_comdat_test_2.cc: New file.
2978 2009-05-19 Doug Kwan <dougkwan@google.com>
2980 * archive.cc (Archive::Archive): Move constructor from archive.h
2981 to here. Initialize no_export_.
2982 (Archive::get_elf_object_for_member): Set no_export flag of object.
2983 * archive.h (Archive::Archive): Move constructor body to
2985 (Archive::no_export): New method.
2986 (Archive::no_export_): New field.
2987 * object.h (Object::Object): Initialize no_export_ to false.
2988 (Object::no_export, Object::set_no_export): New methods.
2989 (Object::no_export_): New field.
2990 * options.cc (General_options::parse_exclude_libs): New method.
2991 (General_options::check_excluded_libs) Same.
2992 * options.h (exclude_libs): New option.
2993 (General_options::check_excluded_libs): New method declaration.
2994 (General_options::excluded_libs_): New field.
2995 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2996 default or protected visibility if an object has no-export flag set.
2997 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2998 (check_SCRIPTS): Add exclude_libs_test.sh.
2999 (check_DATA): Add exclude_libs_test.syms.
3000 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3001 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3002 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3003 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3004 (exclude_libs_test.syms, libexclude_libs_test_1.a,
3005 libexclude_libs_test_2.a): New rules.
3006 * testsuite/Makefile.in: Regenerate.
3007 * testsuite/exclude_libs_test.c: New file.
3008 * testsuite/exclude_libs_test.sh: Ditto.
3009 * testsuite/exclude_libs_test_1.c: Ditto.
3010 * testsuite/exclude_libs_test_2.c: Ditto.
3012 2009-05-15 Ian Lance Taylor <iant@google.com>
3014 * configure.ac: Check for declarations for cases where libiberty.h
3015 checks HAVE_DECL_xxx.
3016 * configure, config.in: Rebuild.
3018 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
3020 * gold.h (Incremental_argument_list): Remove (invalid) forward
3022 * incremental.cc (Incremental_inputs::report_achive): New method.
3023 (Incremental_inputs::report_object): New method.
3024 (Incremental_inputs::report_script): New method.
3025 (Incremental_inputs::finalize_inputs): New method.
3026 (Incremental_inputs::finalize): Call finalize_inputs().
3027 (Incremental_inputs::sized_create_incremental_inputs_section_data):
3028 Create inputs entries.
3029 * incremental.h (Incremental_input_type): New enum.
3030 (Incremental_inputs::Incremental_input): Initialize new fields.
3031 (Incremental_inputs::report_inputs): New method.
3032 (Incremental_inputs::report_achive): New method.
3033 (Incremental_inputs::report_object): New method.
3034 (Incremental_inputs::report_script): New method.
3035 (Incremental_inputs::finalize_inputs): New method.
3036 (Incremental_inputs::Input_info): New struct.
3037 (Incremental_inputs::Input_info_map): New typedef.
3038 (Incremental_inputs::lock_): New field.
3039 (Incremental_inputs::Inputs_): New field.
3040 (Incremental_inputs::Inputs_map): New field.
3041 * main.cc (main): Call Incremental_input::report_inputs.
3042 * options.h (Input_argument_list): Typedef moved from
3044 (Input_file_group::Files): Remove, use ::Input_argument_list.
3045 (Input_file_group::Input_argument_list): Remove, use
3046 ::Input_argument_list.
3047 * plugin.cc (Plugin_manager::add_input_file): Add error in
3049 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3051 * script.cc (read_input_script): Call
3052 Incremental_input::report_script.
3053 * script.h (Script_info): New class.
3055 2009-04-27 Ian Lance Taylor <iant@google.com>
3057 * x86_64.cc (do_adjust_output_section): Set entsize to
3060 2009-04-23 Elliott Hughes <enh@google.com>
3062 * output.cc (Output_file::close): After short writes, continue
3063 writing from the correct offset in the buffer being written.
3065 2009-04-23 Chris Demetriou <cgd@google.com>
3067 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3068 * configure: Regenerate.
3069 * config.in: Regenerate.
3070 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
3071 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
3073 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
3075 * incremental.cc (Incremental_inputs_header_data): Renamed from
3076 Incremental_input_header_data.
3077 (Incremental_inputs_header_data::data_size): New field.
3078 (Incremental_inputs_header_data::put_input_file_count): Renamed
3079 from input_file_count.
3080 (Incremental_inputs_header_data::put_command_line_offset): Renamed
3081 from command_line_offset.
3082 (Incremental_inputs_header_data::put_reserved): Renamed from
3084 (Incremental_inputs_entry_data): Renamed from
3085 Incremental_input_entry_data.
3086 (Incremental_inputs_entry_data::data_size): New field.
3087 (Incremental_inputs::report_command_line): New method.
3088 (Incremental_inputs::finalize): New method.
3089 (Incremental_inputs::create_incremental_inputs_data): New method.
3090 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
3091 * incremental.h: New file.
3092 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
3093 (Layout::finalize): Create incremental inputs section in
3095 (Layout::create_incremental_info_sections): New method.
3096 * layout.h (Layout::incremental_inputs): New method.
3097 (Layout::create_incremental_info_sections): New method.
3098 (Layout::incremental_inputs_): New field.
3099 * main.cc (main): Notify Incremental_input of the command line.
3101 2009-04-01 Ian Lance Taylor <iant@google.com>
3102 Mikolaj Zalewski <mikolajz@google.com>
3104 * gold.h (reserve_unordered_map): Define, three versions, one for
3105 each version of Unordered_map.
3106 * layout.cc (Layout::Layout): Remove options parameter. Add
3107 number_of_input_files parameter. Don't initialize options_.
3108 Initialize number_of_input_files_ and resized_signatures_. Move
3109 sections_are_attached_.
3110 (Layout::layout_group): Reserve space for group_signatures_.
3111 (Layout::find_or_add_kept_section): Change name parameter to be a
3112 reference. Resize signatures_ map when it gets large enough.
3113 (Layout::layout_eh_frame): Use parameters->options() instead of
3115 (Layout::make_output_section): Likewise.
3116 (Layout::attach_allocated_section_to_segment): Likewise.
3117 (Layout::finalize, Layout::create_executable_stack): Likewise.
3118 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
3119 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
3120 * layout.h (class Layout): Update declarations. Remove options_
3121 field. Add number_of_input_files_ and resized_signatures_
3122 fields. Move sections_are_attached_ field.
3123 * main.cc (main): Pass number of input files to Layout
3124 constructor. Don't pass options.
3126 2009-03-30 Ian Lance Taylor <iant@google.com>
3128 * ffsll.c (ffsll): Correct implementation.
3130 2009-03-27 Ian Lance Taylor <iant@google.com>
3132 * ffsll.c: New file.
3133 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
3134 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
3135 * ftruncate.c (ftruncate): Declare before definition.
3136 * mremap.c (mremap): Likewise.
3137 * pread.c (pread): Likewise.
3138 * configure, Makefile.in, config.in: Rebuild.
3140 * mremap.c: New file.
3141 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
3142 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
3143 (mremap): Declare if HAVE_MREMAP is not defined.
3144 * configure, Makefile.in, config.in: Rebuild.
3146 2009-03-27 Cary Coutant <ccoutant@google.com>
3148 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
3149 position independent.
3150 * sparc.cc (Target_sparc::check_non_pic): Likewise.
3151 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
3153 2009-03-24 Cary Coutant <ccoutant@google.com>
3155 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
3157 (needs_dynamic_reloc): Likewise.
3159 2009-03-24 Ian Lance Taylor <iant@google.com>
3161 * yyscript.y (file_cmd): Recognize EXTERN.
3162 (extern_name_list, extern_name_list_body): New nonterminals.
3163 * script.cc (script_add_extern): Define.
3164 * script-c.h (script_add_extern): Declare.
3166 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
3168 * object.cc (is_elf_object): Define.
3169 * object.h (is_elf_object): Declare.
3170 * archive.cc (Archive::get_elf_object_for_member): Call
3172 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
3174 2009-03-24 Elliott Hughes <enh@google.com>
3176 * output.cc (Output_file::map_anonymous): Define.
3177 (Output_file::map): Use map_anonymous. If the regular mmap fails,
3178 try an anonymous one. Report the size if the mmap fails.
3179 * output.h (class Output_file): Declare map_anonymous.
3181 2009-03-24 Ian Lance Taylor <iant@google.com>
3183 * target-select.cc (instantiate_target): Don't acquire the lock if
3184 the instantiated_target_ field has already been set.
3186 2009-03-23 Ian Lance Taylor <iant@google.com>
3188 * gold-threads.h (class Initialize_lock): Define.
3189 * gold-threads.cc (class Initialize_lock_once): Define.
3190 (initialize_lock_control): New static variable.
3191 (initialize_lock_pointer): New static variable.
3192 (initialize_lock_once): New static function.
3193 (Initialize_lock::Initialize_lock): Define.
3194 (Initialize_lock::initialize): Define.
3195 * target-select.h: Include "gold-threads.h".
3196 (class Target_selector): Add lock_ and initialize_lock_ fields.
3197 Don't define instantiate_target, just declare it.
3198 * target-select.cc (Target_selector::Target_selector): Initialize
3200 (Target_selector::instantiate_target): Define.
3201 * descriptors.h: Include "gold-threads.h".
3202 (class Descriptors): Add initialize_lock_ field.
3203 * descriptors.cc (Descriptors::Descriptors): Initialize new
3205 (Descriptors::open): Use initialize_lock_ field
3206 * errors.h (class Errors): Add initialize_lock_ field.
3207 * errors.cc (Errors::Errors): Initialize new field.
3208 (Errors::initialize_lock): Use initialize_lock_ field.
3209 * powerpc.cc (class Target_selector_powerpc): Remove
3210 instantiated_target_ field. In do_recognize call
3211 instantiate_target rather than do_instantiate_target. In
3212 do_instantiate_target just allocate a new target.
3213 * sparc.cc (class Target_selector_sparc): Likewise.
3215 * freebsd.h: New file.
3216 * i386.cc: Include "freebsd.h".
3217 (Target_i386): Derive from Target_freebsd rather than
3219 (Target_selector_i386): Derive from Target_selector_freebsd rather
3220 than Target_selector.
3221 * x86_64.cc: Include "freebsd.h".
3222 (Target_x86_64): Derive from Target_freebsd rather than
3224 (Target_selector_x86_64): Derive from Target_selector_freebsd
3225 rather than Target_selector.
3226 * target.h (class Target): Add adjust_elf_header and
3227 do_adjust_elf_header.
3228 * output.cc (Output_file_header:: do_sized_write): Call target
3229 adjust_elf_header routine.
3230 * configure.tgt: Set targ_osabi.
3231 * configure.ac: Define GOLD_DEFAULT_OSABI.
3232 * parameters.cc (Parameters::default_target): Pass
3233 GOLD_DEFAULT_OSABI to select_target.
3234 * target-select.h (class Target_selector): Make instantiate_target
3235 protected rather than private.
3236 * Makefile.am (HFILES): Add freebsd.h.
3237 * configure, Makefile.in, config.in: Rebuild.
3239 * merge.cc (do_add_input_section): Correct pend value. Change
3240 message about last entry not being null terminated from error to
3243 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
3245 * incremental.cc: New file.
3246 * Makefile.am (CCFILES): Add incremental.cc.
3247 * Makefile.in: Rebuild.
3249 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
3251 * layout.cc (Layout::output_section_name): Preserve names
3252 of '.note.' sections.
3254 2009-03-19 Ian Lance Taylor <iant@google.com>
3256 * descriptors.cc (Descriptors::open): Check that the options are
3257 valid before using them.
3259 2009-03-18 Ian Lance Taylor <iant@google.com>
3261 * script-sections.h: Include <list>.
3262 (class Script_sections): Change Sections_elements from std::vector
3263 to std::list. Typedef public Elements_iterator. Add
3264 orphan_section_placement_, data_segment_align_start_, and
3265 saw_data_segment_align_ fields. Remove data_segment_align_index_
3267 * script-sections.cc (class Orphan_section_placement): New class.
3268 (class Sections_element): Add virtual functions is_relro and
3269 orphan_section_init. Remove virtual function place_orphan_here.
3270 (class Output_section_definition): Add is_relro and
3271 orphan_section_init. Remove place_orphan_here.
3272 (class Orphan_output_section): Likewise.
3273 (Script_sections::Script_sections): Update for field changes.
3274 (Script_sections::data_segment_align): Set saw_data_segment_align_
3275 and data_segment_align_start_, not data_segment_align_index.
3276 (Script_sections::data_segment_relro_end): Check
3277 saw_data_segment_align_. Use data_segment_align_start_ rather
3278 than data_segment_align_index_.
3279 (Script_sections::place_orphan): Rewrite to use
3280 Orphan_section_placement.
3282 2009-03-17 Ian Lance Taylor <iant@google.com>
3284 * archive.cc (Archive::add_symbols): Check for a version attached
3285 to the symbol name in the archive map.
3286 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3287 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3288 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3289 (ver_test_11.a): New target.
3290 * testsuite/Makefile.in: Rebuild.
3292 * configure.ac: Check for chsize and posix_fallocate. Replace
3294 * ftruncate.c: New file, from gnulib.
3295 * output.cc (posix_fallocate): Define dummy version if not
3296 HAVE_POSIX_FALLOCATE.
3297 (Output_file::map): Call posix_fallocate rather than lseek and
3299 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3300 * configure, Makefile.in, config.in: Rebuild.
3302 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
3304 * layout.h (Layout::create_note): Add section_name parameter.
3305 * layout.cc (Layout::create_note): Likewise.
3306 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3308 2009-03-17 Ian Lance Taylor <iant@google.com>
3310 * descriptors.cc: Include "options.h".
3311 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3312 (Descriptors::open): Always use O_CLOEXEC when opening a new
3313 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
3314 then set FD_CLOEXEC.
3316 * sparc.cc (class Target_sparc): Add has_got_section.
3317 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3318 make sure we have a GOT section.
3320 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3321 (Target_sparc::Scan::local): Likewise.
3322 (Target_sparc::Scan::global): Likewise.
3323 (Target_sparc::Relocate::relocate): Likewise.
3324 (Target_sparc::Relocate::relocate_tls): Likewise.
3326 * symtab.cc (Symbol_table::define_default_version): New function,
3327 broken out of add_from_object.
3328 (Symbol_table::add_from_object): Call define_default_version.
3329 (Symbol_table::define_special_symbol): Add resolve_oldsym
3330 parameter. Change all callers. If the version for a symbol comes
3331 from a version script, resolve it with the symbol with the same
3332 name with no version. Also add the symbol without a version if
3334 (do_define_in_output_data): If resolving with oldsym, don't delete
3336 (do_define_in_output_segment): Likewise.
3337 (do_define_as_constant): Likewise.
3338 * symtab.h (class Symbol_table): Update declarations.
3340 2009-03-13 Ian Lance Taylor <iant@google.com>
3342 * readsyms.cc (Read_symbols::incompatible_warning): New function.
3343 (Read_symbols::requeue): New function.
3344 (Read_symbols::do_read_symbols): If make_elf_object fails because
3345 the target type is not configured, and the file was searched for,
3346 issue a warning and retry with the next directory.
3347 (Add_symbols::run): If the file has an incompatible format, and
3348 it was searched for, requeue the Read_symbols task. On error,
3350 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
3351 dirindex parameter to constructor. Change all callers. Declare
3352 incompatible_warning and requeue.
3353 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3354 input_argument_ and input_group_ fields. Add them to
3355 constructor. Change all callers.
3356 (class Read_script): Add dirindex_ field. Add it to constructor.
3358 * archive.cc (Archive::setup): Remove input_objects parameter.
3360 (Archive::get_file_and_offset): Likewise.
3361 (Archive::read_all_symbols): Likewise.
3362 (Archive::read_symbols): Likewise.
3363 (Archive::get_elf_object_for_member): Remove input_objects
3364 parameter. Add punconfigured parameter. Change all callers.
3365 (Archive::add_symbols): Change return type to bool. Check return
3366 value of include_member.
3367 (Archive::include_all_members): Likewise.
3368 (Archive::include_member): Change return type to bool. Return
3369 false if first included object has incompatible target. Set
3370 included_member_ field.
3371 (Add_archive_symbols::run): If add_symbols returns false, requeue
3373 * archive.h (class Archive): Add included_member_ field.
3374 Initialize it in constructor. Add input_file and searched_for
3375 methods. Update declarations.
3376 (class Add_archive_symbols): Add dirpath_, dirindex_, and
3377 input_argument_ fields. Add them to constructor. Change all
3379 * script.cc: Include "target-select.h".
3380 (class Parser_closure): Add skip_on_incompatible_target_ and
3381 found_incompatible_target_ fields. Add
3382 skip_on_incompatible_target parameter to constructor. Change all
3383 callers. Add methods skip_on_incompatible_target,
3384 clear_skip_on_incompatible_target, found_incompatible_target, and
3385 set_found_incompatible_target.
3386 (read_input_script): Add dirindex parameter. Change all callers.
3387 If parser finds an incompatible target, requeue Read_symbols
3389 (script_set_symbol): Clear skip_on_incompatible_target in
3391 (script_add_assertion, script_parse_option): Likewise.
3392 (script_start_sections, script_add_phdr): Likewise.
3393 (script_check_output_format): New function.
3394 * script.h (read_input_script): Update declaration.
3395 * script-c.h (script_check_output_format): Declare.
3396 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3397 (ignore_cmd): Remove OUTPUT_FORMAT.
3398 * fileread.cc (Input_file::Input_file): Add explicit this.
3399 (Input_file::will_search_for): New function.
3400 (Input_file::open): Add pindex parameter. Change all callers.
3401 * fileread.h (class Input_file): Add input_file_argument method.
3402 Declare will_search_for. Update declarations.
3403 * object.cc (make_elf_object): Add punconfigured parameter.
3405 * object.h (class Object): Make input_file public. Add
3406 searched_for method.
3407 (make_elf_object): Update declaration.
3408 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
3410 * dirsearch.h (class Dirsearch): Update declaration.
3411 * options.h (class General_options): Add --warn-search-mismatch.
3412 * parameters.cc (Parameters::is_compatible_target): New function.
3413 * parameters.h (class Parameters): Declare is_compatible_target.
3414 * workqueue.cc (Workqueue::add_blocker): New function.
3415 * workqueue.h (class Workqueue): Declare add_blocker.
3417 * fileread.cc (Input_file::open): Remove options parameter.
3419 (Input_file::open_binary): Likewise.
3420 * script.cc (read_input_script): Likewise.
3421 * readsyms.h (class Read_symbols): Remove options_ field. Remove
3422 options parameter from constructor. Change all callers.
3423 (class Read_script): Likewise.
3424 * fileread.h (class Input_file): Update declarations.
3425 * script.h (read_input_script): Update declaration.
3427 2009-03-10 Nick Clifton <nickc@redhat.com>
3429 * po/es.po: New Spanish translation.
3431 2009-03-06 Cary Coutant <ccoutant@google.com>
3433 * options.cc (parse_short_option): Keep dash_z from registering itself.
3435 2009-03-03 Ian Lance Taylor <iant@google.com>
3438 * target-reloc.h (relocate_section): Pass output_section to
3440 * i386.cc (Target_i386::should_apply_static_reloc): Add
3441 output_section parameter. Change all callers.
3442 (Target_i386::Relocate::relocate): Add output_section parameter.
3443 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3444 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3445 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3446 * testsuite/two_file_shared.sh: New script.
3447 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3448 (check_DATA): Add two_file_shared.dbg.
3449 (two_file_shared.dbg): New target.
3450 * testsuite/Makefile.in: Rebuild.
3452 2009-03-01 Ian Lance Taylor <iant@google.com>
3454 * configure.ac: Check for byteswap.h.
3455 * configure: Rebuild.
3456 * config.in: Rebuild.
3458 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
3460 * layout.cc (Layout::find_or_add_kept_section): New function.
3461 (Layout::add_comdat): Removed.
3462 * layout.h (struct Kept_section): Move out of class Layout.
3463 Remove trailing underscores from field names. Add group_sections
3464 field. Rename group_ field to is_group. Change all uses.
3465 (class Layout): Declare find_or_add_kept_section, not add_comdat.
3466 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3467 comdat_groups_ field.
3468 (Sized_relobj::include_section_group): Use
3469 find_or_add_kept_section and Kept_section::group_sections.
3470 (Sized_relobj::include_linkonce_section): Likewise.
3471 * object.cc (class Sized_relobj): Don't define Comdat_group or
3472 Comdat_group_table. Remove find_comdat_group and
3473 add_comdat_group. Remove comdat_groups_ field.
3474 * plugin.cc (include_comdat_group): Use
3475 Layout::find_or_add_kept_section.
3477 2009-02-28 Ian Lance Taylor <iant@google.com>
3479 * README: --gc-sections and map files are now supported. Document
3480 some build requirements.
3483 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3484 relocatable link set the value of the section symbol to zero.
3485 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3486 relocatable link don't include the section address in the local
3489 2009-02-27 Ian Lance Taylor <iant@google.com>
3492 * options.h (class Search_directory): Add is_system_directory.
3493 (class General_options): Declare is_in_system_directory.
3494 * options.cc (get_relative_sysroot): Make static.
3495 (get_default_sysroot): Make static.
3496 (General_optoins::is_in_system_directory): New function.
3497 * fileread.cc (Input_file::is_in_system_directory): New function.
3498 * fileread.h (class Input_file): Declare is_in_system_directory.
3499 * object.h (class Object): Add is_in_system_directory.
3500 (class Input_objects): Remove system_library_directory_ field.
3501 * object.cc (Input_objects::add_object): Don't set
3502 system_library_directory_.
3503 (input_objects::found_in_system_library_directory): Remove.
3504 * symtab.cc (Symbol_table::write_globals): Remove input_objects
3505 parameter. Change all callers.
3506 (Symbol_table::sized_write_globals): Likewise.
3507 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3508 Call Object::is_in_system_directory.
3509 * symtab.h (class Symbol_table): Update declarations.
3512 * descriptors.h (Open_descriptor): Add is_on_stack field.
3513 * descriptors.cc (Descriptors::open): If the descriptor is on the
3514 top of the stack, remove it. Initialize is_on_stack field.
3515 (Descriptors::release): Only add pod to stack if it is not on the
3517 (Descriptors::close_some_descriptor): Clear stack_next and
3521 * output.cc (Output_section::find_starting_output_address): Rename
3522 from starting_output_address; add PADDR parameter; change return
3524 * output.h (class Output_section): Declare
3525 find_starting_output_address instead of starting_output_address.
3526 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3527 section symbol for which we can't find a merge section.
3530 * symtab.cc (Symbol_table::add_from_object): If the visibility is
3531 hidden or internal, force the symbol to be local.
3532 * resolve.cc (Symbol::override_visibility): Define.
3533 (Symbol::override_base): Use override_visibility.
3534 (Symbol_table::resolve): Likewise.
3535 (Symbol::override_base_with_special): Likewise.
3536 (Symbol_table::override_with_special): If the visibility is hidden
3537 or internal, force the symbol to be local.
3538 * symtab.h (class Symbol): Add set_visibility and
3539 override_visibility.
3540 * testsuite/ver_test_1.sh: New file.
3541 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3542 (check_DATA): Add ver_test_1.syms.
3543 (ver_test_1.syms): New target.
3544 * testsuite/Makefile.in: Rebuild.
3546 2009-02-25 Cary Coutant <ccoutant@google.com>
3548 * layout.cc (Layout::choose_output_section): Don't rename sections
3549 when using a linker script that has a SECTIONS clause.
3550 * Makefile.in: Regenerate.
3552 * testsuite/Makefile.am (script_test_5.sh): New test case.
3553 * testsuite/Makefile.in: Regenerate.
3554 * testsuite/script_test_5.cc: New file.
3555 * testsuite/script_test_5.sh: New file.
3556 * testsuite/script_test_5.t: New file.
3558 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
3560 * archive.cc (Archive::include_member): Update calls to add_symbols.
3561 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3562 the Layout argument.
3563 * dynobj.h (do_add_symbols): Add the Layout argument.
3564 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3566 * object.h (Object::add_symbols): Add the Layout argument.
3567 (Object::do_add_symbols): Add the Layout argument.
3568 (Sized_relobj::do_add_symbols): Add the Layout argument.
3569 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3570 Unify the two versions.
3571 (Add_plugin_symbols): Remove.
3572 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3573 (Sized_pluginobj::do_add_symbols): Unify the two versions.
3574 (Add_plugin_symbols): Remove.
3575 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3576 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3577 (Add_symbols::run): Make it work with Pulginobj.
3579 2009-02-06 Ian Lance Taylor <iant@google.com>
3581 * object.cc (Sized_relobj::do_layout): Make info message start
3582 with lower case letter.
3584 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
3586 * binary.cc: Fix file comment.
3588 * options.h (enum Incremental_disposition): Define.
3589 (class General_options): Add new options: --incremental,
3590 --incremental_changed, --incremental_unchanged,
3591 --incremental_unknown. Add incremental_disposition_ and
3592 implicit_incremental_ fields.
3593 (General_options::incremental_disposition): New function.
3594 (class Position_dependent_options): Add incremental_disposition
3596 (Position_dependent_options::copy_from_options): Set incremental
3598 * options.cc (General_options::parse_incremental_changed): New
3600 (General_options::parse_incremental_unchanged): New function.
3601 (General_options::parse_incremental_unknown): New function.
3602 (General_options::General_options): Initialize new fields
3603 incremental_disposition_ and implicit_incremental_.
3604 (General_options::finalize): Check for uasge of --incremental-*
3605 without --incremental.
3607 2009-02-06 Chris Demetriou <cgd@google.com>
3609 * gold.h (gold_undefined_symbol): Change to take only a Symbol
3610 pointer and to report location as the file name associated with
3612 (gold_undefined_symbol_at_location): New function to replace the
3613 old gold_undefined_symbol functionality.
3614 * target-reloc.h (relocate_section): Update to use
3615 gold_undefined_symbol_at_location.
3616 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3617 Call gold_undefined_symbol function rather than gold_error.
3618 * errors.h (Errors::undefined_symbol): Take location as a
3619 string, rather than calculating it from a relocation.
3620 * errors.cc (Errors::fatal): Print "fatal error:" before the
3622 (Errors::error, Errors::error_at_location): Print "error: "
3623 before the formatted message.
3624 (Errors::undefined_symbol): Take location as a string, rather
3625 than calculating it from a relocation.
3626 (gold_undefined_symbol_at_location): New function akin to
3627 old gold_undefined_symbol, calculates location from relocation.
3628 (gold_undefined_symbol): Change to take only a Symbol pointer
3629 and to report location as the file name associated with the symbol.
3630 * testsuite/debug_msg.sh: Update for changed error messages.
3631 * testsuite/undef_symbol.sh: Likewise.
3633 2009-02-04 Duncan Sands <baldrick@free.fr>
3636 * reduced_debug_output.h
3637 (Output_reduced_debug_abbrev_section::failed): Use format for
3639 (Output_reduced_debug_info_section::faild): Likewise.
3641 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
3643 * script.cc (Lazy_demangler): New class.
3644 (Version_script_info::get_symbol_version_helper): Demangle a
3647 2009-01-29 Cary Coutant <ccoutant@google.com>
3649 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3651 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3653 2009-01-28 Ian Lance Taylor <iant@google.com>
3655 * version.cc (version_string): Bump to 1.9.
3657 * gold.h: Include <cstring> and <stdint.h>.
3658 * version.cc: Include <cstdio>.
3659 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3661 * reduced_debug_output.cc (insert_into_vector): Rename from
3662 Insert_into_vector; change all callers. Use Swap_unaligned to
3663 avoid aliasing issue; remove union since it is unnecessary.
3665 2009-01-27 Sriraman Tallam <tmsriram@google.com>
3667 * Makefile.am (CCFILES): Add gc.cc.
3669 * Makefile.in: Regenerate.
3670 * gold.cc (Gc_runner): New class.
3671 (queue_initial_tasks): Call garbage collection related tasks
3672 when corresponding options are invoked.
3673 (queue_middle_gc_tasks): New function.
3674 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3675 processed early before laying out sections during garbage collection.
3676 * gold.h (queue_middle_gc_tasks): New function.
3677 (is_prefix_of): Move from "layout.cc".
3678 * i386.cc (Target_i386::gc_process_relocs): New function.
3679 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3680 * main.cc (main): Create object of class "Garbage_collection".
3681 * object.cc (Relobj::copy_symbols_data): New function.
3682 (Relobj::is_section_name_included): New function.
3683 (Sized_relobj::do_layout): Allow this function to be called twice
3684 during garbage collection and defer layout of section during the
3686 * object.h (Relobj::get_symbols_data): New function.
3687 (Relobj::is_section_name_included): New function.
3688 (Relobj::copy_symbols_data): New function.
3689 (Relobj::set_symbols_data): New function.
3690 (Relobj::get_relocs_data): New function.
3691 (Relobj::set_relocs_data): New function.
3692 (Relobj::is_output_section_offset_invalid): New pure virtual function.
3693 (Relobj::gc_process_relocs): New function.
3694 (Relobj::do_gc_process_relocs): New pure virtual function.
3695 (Relobj::sd_): New data member.
3696 (Sized_relobj::is_output_section_offset_invalid): New function.
3697 (Sized_relobj::do_gc_process_relocs): New function.
3698 * options.h (General_options::gc_sections): Modify to not be a no-op.
3699 (General_options::print_gc_sections): New option.
3700 * plugin.cc (Plugin_finish::run): Remove function call to
3701 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
3702 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3703 * reloc.cc (Read_relocs::run): Add task to process relocs and
3704 determine unreferenced sections when doing garbage collection.
3705 (Gc_process_relocs): New class.
3706 (Sized_relobj::do_gc_process_relocs): New function.
3707 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3708 sections that are garbage collected.
3709 * reloc.h (Gc_process_relocs): New class.
3710 * sparc.cc (Target_sparc::gc_process_relocs): New function.
3711 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3712 symbols whose corresponding sections are garbage collected.
3713 (Symbol_table::Symbol_table): Add new parameter for the garbage
3715 (Symbol_table::gc_mark_undef_symbols): New function.
3716 (Symbol_table::gc_mark_symbol_for_shlib): New function.
3717 (Symbol_table::gc_mark_dyn_syms): New function.
3718 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3720 (Symbol_table::add_from_object): Likewise.
3721 (Symbol_table::add_from_relobj): When building shared objects, do not
3722 treat externally visible symbols as garbage.
3723 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3724 table information for static and relocatable links.
3725 * symtab.h (Symbol_table::set_gc): New function.
3726 (Symbol_table::gc): New function.
3727 (Symbol_table::gc_mark_undef_symbols): New function.
3728 (Symbol_table::gc_mark_symbol_for_shlib): New function.
3729 (Symbol_table::gc_mark_dyn_syms): New function.
3730 (Symbol_table::gc_): New data member.
3731 * target.h (Sized_target::gc_process_relocs): New pure virtual
3733 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3734 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3736 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
3738 * options.h (General_options::gc_sections): Define as a no-op for now.
3739 (General_options::no_keep_memory): Ditto.
3740 (General_options::Bshareable): Define.
3741 * options.cc (General_options::finalize): Honor -Bshareable.
3743 2009-01-20 Andreas Schwab <schwab@suse.de>
3745 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3746 read the value in the contents, since we don't use it. Use the
3747 template endianness when writing.
3748 (Relocate::relocate): Use it for R_PPC_REL16_HA.
3750 2009-01-19 Andreas Schwab <schwab@suse.de>
3752 * configure.tgt (powerpc64-*): Fix targ_obj.
3754 2009-01-15 Ian Lance Taylor <iant@google.com>
3756 * object.cc (Sized_relobj::write_local_symbols): Don't write out
3757 local symbols when stripping all symbols.
3759 2009-01-14 Cary Coutant <ccoutant@google.com>
3761 * output.cc (Output_reloc): Add explicit instantiations.
3763 2009-01-14 Cary Coutant <ccoutant@google.com>
3765 * archive.cc (Archive::get_elf_object_for_member): Remove call
3766 to File_read::claim_for_plugin.
3767 * descriptors.cc (Descriptors::open): Remove reference to
3769 (Descriptors::claim_for_plugin): Remove.
3770 * descriptors.h (Descriptors::claim_for_plugin): Remove.
3771 (Descriptors::is_claimed): Remove.
3772 (claim_descriptor_for_plugin): Remove.
3773 * fileread.cc (File_read::claim_for_plugin): Remove.
3774 * fileread.h (File_read::claim_for_plugin): Remove.
3775 (File_read::descriptor): Reopen descriptor if necessary.
3776 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
3777 (Plugin_manager::all_symbols_read): Add task parameter. Change
3779 (Plugin_manager::get_input_file): New function.
3780 (Plugin_manager::release_input_file): New function.
3781 (Pluginobj::Pluginobj): Add filesize parameter and initialize
3782 corresponding data member.
3783 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3784 and pass to base constructor. Change all callers.
3785 (get_input_file, release_input_file): New functions.
3786 (make_sized_plugin_object): Add filesize parameter. Change all callers.
3787 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3788 (Plugin_manager::all_symbols_read): Add task parameter.
3789 (Plugin_manager::get_input_file): New function.
3790 (Plugin_manager::release_input_file): New function.
3791 (Plugin_manager::task_): New data member.
3792 (Pluginobj::Pluginobj): Add filesize parameter.
3793 (Pluginobj::filename): New function.
3794 (Pluginobj::descriptor): New function.
3795 (Pluginobj::filesize): New function.
3796 (Pluginobj::filesize_): New data member.
3797 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3798 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3799 File_read::claim_for_plugin; use Object::unlock to unlock the file.
3801 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3802 with archive libraries.
3803 * testsuite/Makefile.in: Regenerate.
3804 * testsuite/plugin_test.c (struct sym_info): New type.
3805 (get_input_file, release_input_file): New static variables.
3806 (onload): Capture new transfer vector entries.
3807 (claim_file_hook): Stop reading at end of file according to filesize.
3808 Factor out parsing of readelf output into separate function.
3809 (all_symbols_read_hook): Exercise get_input_file and release_input_file
3810 APIs and get the source file name from the symbol table. Convert
3811 source file name to corresponding object file name. Print info
3812 message when adding new input files.
3813 (parse_readelf_line): New function.
3814 * testsuite/plugin_test_1.sh: Add checks for new info messages.
3815 * testsuite/plugin_test_2.sh: Likewise.
3816 * testsuite/plugin_test_3.sh: Likewise.
3817 * testsuite/plugin_test_4.sh: New test case.
3819 2009-01-07 Ian Lance Taylor <iant@google.com>
3821 * version.cc (version_string): Bump to 1.8.
3823 2008-12-23 Cary Coutant <ccoutant@google.com>
3825 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3826 * plugin.cc (Plugin_manager::finish): Rename as
3827 layout_deferred_objects. Move cleanup to separate function.
3828 (Plugin_manager::cleanup): New function.
3829 (Plugin_finish::run): Call layout_deferred_objects and cleanup
3831 * plugin.h (Plugin_manager::finish): Rename as
3832 layout_deferred_objects.
3833 (Plugin_manager::cleanup): New function.
3834 (Plugin_manager::cleanup_done): New field.
3836 2008-12-23 Cary Coutant <ccoutant@google.com>
3838 * plugin.cc (is_visible_from_outside): New function.
3839 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3840 so we don't return "IR only" status for exported symbols or -r links.
3842 * testsuite/Makefile.am (plugin_test_3): New test case.
3843 * testsuite/Makefile.in: Regenerate.
3844 * testsuite/plugin_test_3.sh: New file.
3846 2008-12-22 Cary Coutant <ccoutant@google.com>
3848 * object.cc (Sized_relobj::layout_section): New function.
3849 (Sized_relobj::do_layout): Defer layout of input sections until after
3850 plugin has provided replacement files.
3851 (Sized_relobj::do_layout_deferred_sections): New function.
3852 * object.h (Relobj::set_section_offset): Remove virtual keyword.
3853 (Relobj::layout_deferred_sections): New function.
3854 (Relobj::do_layout_deferred_sections): New function.
3855 (Sized_relobj::do_layout_deferred_sections): New function.
3856 (Sized_relobj::layout_section): New function.
3857 (Sized_relobj::Deferred_layout): New structure.
3858 (Sized_relobj::deferred_layout_): New field.
3859 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3860 Change all callers. Layout deferred sections.
3861 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
3863 (Plugin_hook::run): Move code from do_plugin_hook inline.
3864 (Plugin_hook::do_plugin_hook): Remove.
3865 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3866 (Plugin_manager::finish): Renamed, was cleanup.
3867 (Plugin_manager::should_defer_layout): New function.
3868 (Plugin_manager::add_deferred_layout_object): New function.
3869 (Plugin_manager::Deferred_layout_list): New type.
3870 (Plugin_manager::deferred_layout_objects_): New field.
3871 (Plugin_hook::do_plugin_hook): Remove.
3873 2008-12-17 Ian Lance Taylor <iant@google.com>
3875 * options.h (class General_options): Add --no case for
3878 2008-12-16 Cary Coutant <ccoutant@google.com>
3880 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3882 (Plugin_manager::claim_file): Create plugin object even if
3883 plugin did not call the add_symbols callback.
3884 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3885 asking for more symbols than were added.
3886 * testsuite/Makefile.am (plugin_test_1): Add test case with
3888 (empty.syms): New target.
3889 * testsuite/Makefile.in: Regenerate.
3890 * testsuite/plugin_test.c (claim_file_hook): Add new debug
3891 message. Don't call add_symbols if no globals.
3892 (all_symbols_read_hook): Don't provide replacement for empty
3895 2008-12-12 Ian Lance Taylor <iant@google.com>
3897 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3898 r_type == 0 for a local symbol with r_sym == 0.
3899 (scan_relocatable_relocs): Pass r_sym to
3900 local_non_section_strategy.
3901 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3904 * configure.ac: Update test for TLS descriptors: they are
3905 supported as of glibc 2.9.
3906 * configure: Rebuild.
3908 2008-12-11 Ian Lance Taylor <iant@google.com>
3911 * target-reloc.h (Default_scan_relocatable_relocs): For each
3912 function, map r_type == 0 to RELOC_DISCARD.
3914 2008-12-10 Cary Coutant <ccoutant@google.com>
3916 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3917 object to override a kept COMDAT group from a plugin object.
3919 2008-12-09 Ian Lance Taylor <iant@google.com>
3922 * yyscript.y (file_cmd): Handle INPUT.
3924 * testsuite/initpri1.c: Change all declarations to be full
3925 prototypes by adding void, to avoid compiler warnings.
3927 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
3929 * options.cc (General_options::parse_plugin_opt): New.
3930 (General_options::add_plugin): The argument now is just the filename.
3931 (General_options::add_plugin_option): New.
3932 * options.h (plugin_opt): New.
3933 (add_plugin): Change argument name.
3934 (add_plugin_option): New.
3935 * plugin.cc (Plugin::load): Don't parse the plugin option.
3936 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3937 (Plugin::add_option): New.
3938 (Plugin::args_): Change type.
3939 (Plugin::filename_): New.
3940 (Plugin_manager::add_plugin_option): New.
3941 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3942 * testsuite/Makefile.in: Regenerate.
3944 2008-12-05 Cary Coutant <ccoutant@google.com>
3946 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3947 Handle --strip-lto-sections option.
3948 * options.h (strip_lto_sections): New option.
3950 2008-12-01 Cary Coutant <ccoutant@google.com>
3952 * plugin.cc (ld_plugin_message): Change format parameter to const.
3953 Fix mismatch between new[] and delete.
3955 2008-11-14 Cary Coutant <ccoutant@google.com>
3957 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3960 2008-11-05 Craig Silverstein <csilvers@google.com>
3962 * options.cc (General_options::parse_dynamic_list): New function.
3963 * options.h (General_options): New flags dynamic_list,
3964 dynamic_list_data, dynamic_list_cpp_new, and
3965 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
3966 (General_options::in_dynamic_list): New function.
3967 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3968 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3969 (Lex::can_continue_name): Likewise.
3971 (read_script_file): New parameter script_options.
3972 (read_dynamic_list): New function.
3973 (Script_options::define_dynamic_list): New function.
3974 (dynamic_list_keyword_parsecodes): New variable.
3975 (dynamic_list_keywords): New variable.
3976 * script.h (Script_options::define_dynamic_list): New function
3978 (read_dynamic_list): New function prototype.
3979 * symtab.cc (strprefix): New macro.
3980 (Symbol::should_add_dynsym_entry): Support dynamic_list,
3981 dynamic_list_data, dynamic_list_cpp_new, and
3982 dynamic_list_cpp_typeinfo.
3983 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3984 (dynamic_list_expr): New rule.
3985 (dynamic_list_nodes): Likewise.
3986 (dynamic_list_node): Likewise.
3987 * testsuite/Makefile.am (dynamic_list): New test.
3988 * testsuite/Makefile.in: Regenerated.
3989 * testsuite/dynamic_list.t: New file.
3990 * testsuite/dynamic_list.sh: New file.
3992 2008-11-05 Craig Silverstein <csilvers@google.com>
3994 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3995 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3996 (t11_last): Likewise.
3997 * testsuite/ver_test_6.c (main): Likewise.
3999 2008-10-07 Cary Coutant <ccoutant@google.com>
4001 * options.c (General_options::finalize): Add check for -static and
4003 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4006 2008-10-02 Cary Coutant <ccoutant@google.com>
4008 * plugin.cc (make_sized_plugin_object): Fix conditional
4009 compilation to work when not all targets are enabled.
4011 2008-09-29 Cary Coutant <ccoutant@google.com>
4013 * archive.cc (Archive::get_file_and_offset): Use filename instead
4014 of name to get library path.
4015 (Archive::include_member): Unlock external member of a thin archive.
4017 * testsuite/Makefile.am (TEST_AR): New variable.
4018 (thin_archive_test_1): New test.
4019 (thin_archive_test_2): New test.
4020 * testsuite/Makefile.in: Regenerate.
4021 * testsuite/thin_archive_main.cc: New file.
4022 * testsuite/thin_archive_test_1.cc: New file.
4023 * testsuite/thin_archive_test_2.cc: New file.
4024 * testsuite/thin_archive_test_3.cc: New file.
4025 * testsuite/thin_archive_test_4.cc: New file.
4027 2008-09-29 Cary Coutant <ccoutant@google.com>
4029 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4030 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4032 (Sized_relobj::do_finalize_local_symbols): Likewise.
4033 (Sized_relobj::map_to_kept_section): Likewise.
4034 * object.h (Sized_relobj::invalid_address): New constant.
4035 (Sized_relobj::do_output_section_offset): Check for invalid_address
4037 * output.cc (Output_reloc::local_section_offset): Use constant
4038 invalid_address instead of -1U.
4039 (Output_reloc::get_address): Likewise.
4040 (Output_section::output_address): Change -1U to -1ULL.
4041 * output.h (Output_reloc::invalid_address): New constant.
4042 * reloc.cc (Sized_relobj::write_sections): Use constant
4043 invalid_address instead of -1U.
4044 (Sized_relobj::relocate_sections): Likewise.
4045 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4046 values for merge sections.
4047 * target-reloc.h (relocate_for_relocatable): Use constant
4048 invalid_address instead of -1U.
4050 2008-09-19 Cary Coutant <ccoutant@google.com>
4052 Add plugin functionality for link-time optimization (LTO).
4053 * configure.ac (plugins): Add --enable-plugins option.
4054 * configure: Regenerate.
4055 * config.in: Regenerate.
4056 * Makefile.am (LIBDL): New variable.
4057 (CCFILES): Add plugin.cc.
4058 (HFILES): Add plugin.h.
4059 (ldadd_var): Add LIBDL.
4060 * Makefile.in: Regenerate.
4062 * archive.cc: Include "plugin.h".
4063 (Archive::setup): Don't preread archive symbols when using a plugin.
4064 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
4065 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4067 (Archive::include_member): Add symbols from plugin objects.
4068 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4069 * descriptors.cc (Descriptors::open): Check for file descriptors
4070 abandoned by plugins.
4071 (Descriptors::claim_for_plugin): New function.
4072 * descriptors.h (Descriptors::claim_for_plugin): New function.
4073 (Open_descriptor::is_claimed): New field.
4074 (claim_descriptor_for_plugin): New function.
4075 * fileread.cc (File_read::claim_for_plugin): New function.
4076 * fileread.h (File_read::claim_for_plugin): New function.
4077 (File_read::descriptor): New function.
4078 * gold.cc: Include "plugin.h".
4079 (queue_initial_tasks): Add task to call plugin hooks for generating
4081 * main.cc: Include "plugin.h".
4082 (main): Load plugin libraries.
4083 * object.h (Pluginobj): Declare.
4084 (Object::pluginobj): New function.
4085 (Object::do_pluginobj): New function.
4086 (Object::set_target): New function.
4087 * options.cc: Include "plugin.h".
4088 (General_options::parse_plugin): New function.
4089 (General_options::General_options): Initialize plugins_ field.
4090 (General_options::add_plugin): New function.
4091 * options.h (Plugin_manager): Declare.
4092 (General_options): Add --plugin option.
4093 (General_options::has_plugins): New function.
4094 (General_options::plugins): New function.
4095 (General_options::add_plugin): New function.
4096 (General_options::plugins_): New field.
4097 * plugin.cc: New file.
4098 * plugin.h: New file.
4099 * readsyms.cc: Include "plugin.h".
4100 (Read_symbols::do_read_symbols): Check for archive before checking
4101 for ELF file. Call plugin hooks to claim files.
4102 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
4103 from a real object file; force override when processing replacement
4105 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
4106 (Symbol::init_base_object): Likewise.
4107 (Symbol::init_base_output_data): Likewise.
4108 (Symbol::init_base_output_segment): Likewise.
4109 (Symbol::init_base_constant): Likewise.
4110 (Symbol::init_base_undefined): Likewise.
4111 (Symbol::output_section): Assert that object is not a plugin.
4112 (Symbol_table::add_from_pluginobj): New function.
4113 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
4115 (Symbol_table::sized_write_globals): Likewise.
4116 (Symbol_table::add_from_pluginobj): Instantiate template.
4117 * symtab.h (Sized_pluginobj): Declare.
4118 (Symbol::in_real_elf): New function.
4119 (Symbol::set_in_real_elf): New function.
4120 (Symbol::in_real_elf_): New field.
4121 (Symbol_table::add_from_pluginobj): New function.
4123 * testsuite/Makefile.am (AM_CFLAGS): New variable.
4124 (LIBDL): New variable.
4126 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
4127 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
4128 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
4129 (MOSTLYCLEANFILES): Likewise.
4130 * testsuite/Makefile.in: Regenerate.
4131 * testsuite/plugin_test.c: New file.
4132 * testsuite/plugin_test_1.sh: New file.
4133 * testsuite/plugin_test_2.sh: New file.
4135 2008-09-16 Ian Lance Taylor <iant@google.com>
4137 * target-reloc.h (relocate_section): Check whether a symbol is
4138 defined by the ABI before reporting an undefined symbol error.
4139 * target.h (Target::is_defined_by_abi): Make parameter const.
4140 (Target::do_is_defined_by_abi): Likewise.
4141 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
4142 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
4143 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
4144 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
4145 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
4146 * testsuite/Makefile.in: Rebuild.
4148 * fileread.cc (make_view): Add casts to avoid warning.
4150 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
4152 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
4153 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4155 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
4157 * options.h (General_options::output_is_executable): New.
4158 (General_options::output_is_pie): New.
4159 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
4160 for shared libraries.
4161 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4163 2008-09-11 Chris Demetriou <cgd@google.com>
4165 * options.h (origin): New -z option.
4166 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
4167 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
4170 2008-09-05 Cary Coutant <ccoutant@google.com>
4172 * fileread.cc (File_read::make_view): Add check for attempt to map
4175 2008-09-05 Cary Coutant <ccoutant@google.com>
4177 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
4178 explicit instantiations.
4180 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
4183 * options.cc (General_options::finalize): Allow undefined symbols
4184 in shlibs if linking -shared.
4187 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
4188 symbols as not needing a dynsym entry.
4190 2008-08-20 Craig Silverstein <csilvers@google.com>
4192 * fileread.cc (File_read::open): Do not lock the file unless it
4193 was successfully opened.
4195 2008-08-14 Cary Coutant <ccoutant@google.com>
4197 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
4198 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4199 * testsuite/tls_test.cc (struct int128): 128-bit struct
4200 for testing TLS relocs with non-zero addend.
4201 (v12): New TLS variable.
4203 (t_last): Add check for v12.
4204 * testsuite/tls_test.h (t12): New function.
4205 * testsuite/tls_test_main.cc (thread_routine): Call new test.
4207 2008-08-13 Ian Lance Taylor <iant@google.com>
4209 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4210 set tls_segment_ or relro_segment_.
4211 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4213 * output.h (Output_section::clear_is_relro): New function.
4214 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4215 sections specially even when output_data_ is empty.
4216 (Output_segment::maximum_alignment): When first section is relro,
4217 only force alignment for PT_LOAD segments.
4218 * script.cc (script_data_segment_align): New function.
4219 (script_data_segment_relro_end): New function.
4220 * script-c.h (script_data_segment_align): Declare.
4221 (script_data_segment_relro_end): Declare.
4222 * script-sections.h (class Script_sections): Declare
4223 data_segment_align and data_segment_relro_end. Add fields
4224 segment_align_index_ and saw_relro_end_.
4225 * script-sections.cc (class Sections_element): Add set_is_relro
4226 virtual function. Add new bool* parameter to place_orphan_here.
4227 Add get_output_section virtual function.
4228 (class Output_section_definition): Add set_is_relro. Add new
4229 bool* parameter to place_orphan_here. Add get_output_section.
4230 Add is_relro_ field.
4231 (Output_section_definition::Output_section_definition): Initialize
4232 evaluated_address_, evaluated_load_address, evaluated_addralign_,
4233 and is_relro_ fields.
4234 (Output_section_definition::place_orphan_here): Add is_relro
4236 (Output_section_definition::set_section_addresses): Set relro for
4238 (Output_section_definition::alternate_constraint): Likewise.
4239 (class Orphan_output_section): Add new bool* parameter to
4240 place_orphan_here. Add get_output_section.
4241 (Orphan_output_section::place_orphan_here): Add is_relro
4243 (Script_sections::Script_sections): Initialize
4244 data_segment_align_index_ and saw_relro_end_.
4245 (Script_sections::data_segment_align): New function.
4246 (Script_sections::data_segment_relro_end): New function.
4247 (Script_sections::place_orphan): Set or clear is_relro.
4248 (Script_sections::set_section_addresses): Force alignment of first
4250 * yyscript.y (exp): Call script_data_segment_align and
4251 script_data_segment_relro_end.
4252 * testsuite/relro_script_test.t: New file.
4253 * testsuite/relro_test.cc (using_script): Declare.
4254 (t1, t2): Test using_script.
4255 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4256 (relro_script_test_SOURCES): Define.
4257 (relro_script_test_DEPENDENCIES): Define.
4258 (relro_script_test_LDFLAGS): Define.
4259 (relro_script_test_LDADD): Define.
4260 (relro_script_test.so): New target.
4261 * testsuite/Makefile.in: Rebuild.
4263 2008-08-06 Cary Coutant <ccoutant@google.com>
4265 * archive.cc (Archive::total_archives, Archive::total_members)
4266 (Archive::total_members_loaded): New variables.
4267 (Archive::setup): Add parameter. Add option to preread
4269 (Archive::read_armap): Add counter.
4270 (Archive::get_file_and_offset): New function.
4271 (Archive::get_elf_object_for_member): New function.
4272 (Archive::read_all_symbols): New function.
4273 (Archive::read_symbols): New function.
4274 (Archive::add_symbols): Add counters.
4275 (Archive::include_all_members): Use armap to find members if it's
4277 (Archive::include_member): Skip reading symbols if already read.
4278 Factored code into Archive::get_file_and_offset and
4279 Archive::get_elf_object_for_member. Changed call to
4280 Mapfile::report_include_archive_member.
4281 (Archive::print_stats): New function.
4282 * archive.h: Declare Object and Read_symbols_data classes.
4283 (Archive::Archive): Add initializers for new members.
4284 (Archive::setup): Add parameter.
4285 (Archive::print_stats): New function.
4286 (Archive::total_archives, Archive::total_members)
4287 (Archive::total_members_loaded): New variables.
4288 (Archive::get_file_and_offset): New function.
4289 (Archive::get_elf_object_for_member): New function.
4290 (Archive::read_all_symbols): New function.
4291 (Archive::read_symbols): New function.
4292 (Archive::Archive_member): New class.
4293 (Archive::members_): New member.
4294 (Archive::num_members_): New member.
4295 * main.cc: Include archive.h.
4296 (main): Call Archive::print_stats.
4297 * mapfile.cc (Mapfile::report_include_archive_member): Delete
4298 archive parameter; member_name is now the fully-decorated name.
4299 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4300 * options.h: (General_options): Add --preread-archive-symbols option.
4301 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4304 2008-08-04 Ian Lance Taylor <iant@google.com>
4306 * symtab.h (Symbol::use_plt_offset): New function.
4307 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4308 * powerpc.cc (Relocate::relocate): Likewise.
4309 * sparc.cc (Relocate::relocate): Likewise.
4310 * x86_64.cc (Relocate::relocate): Likewise.
4311 * testsuite/weak_plt.sh: New test.
4312 * testsuite/weak_plt_main.cc: New test.
4313 * testsuite/weak_plt_shared.cc: New test.
4314 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4315 (check_PROGRAMS): Add weak_plt.
4316 (check_DATA): Add weak_plt_shared.so.
4317 (weak_plt_main_pic.o, weak_plt): New targets.
4318 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4319 * testsuite/Makefile.in: Rebuild.
4321 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4323 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4324 * testsuite/Makefile.in: Rebuild.
4326 2008-08-04 Alan Modra <amodra@bigpond.net.au>
4328 * Makefile.am (POTFILES.in): Set LC_ALL=C.
4329 * Makefile.in: Regenerate.
4330 * po/POTFILES.in: Regenerate.
4332 2008-07-29 Ian Lance Taylor <iant@google.com>
4334 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4335 symbols before other symbols.
4336 * testsuite/script_test_2.cc (test_addr): Declare.
4337 (test_addr_alias): Declare.
4338 (main): Check that test_addr and test_addr_alias have the right
4340 * testsuite/script_test_2.t: Define test_addr_alias and
4343 2008-07-24 Ian Lance Taylor <iant@google.com>
4346 * descriptors.cc: New file.
4347 * descriptors.h: New file.
4348 * gold-threads.h (class Hold_optional_lock): New class.
4349 * fileread.cc: Include "descriptors.h".
4350 (File_read::~File_read): Release descriptor rather than closing
4352 (File_read::open) [file]: Call open_descriptor rather than open.
4353 Set is_descriptor_opened_.
4354 (File_read::open) [memory]: Assert that descriptor is not open.
4355 (File_read::reopen_descriptor): New function.
4356 (File_read::release): Release descriptor.
4357 (File_read::do_read): Make non-const. Reopen descriptor.
4358 (File_read::read): Make non-const.
4359 (File_read::make_view): Reopen descriptor.
4360 (File_read::do_readv): Likewise.
4361 * fileread.h (class File_read): Add is_descriptor_opened_ field.
4362 Update declarations.
4363 * layout.cc: Include "descriptors.h".
4364 (Layout::create_build_id): Use open_descriptor rather than open.
4365 * output.cc: Include "descriptors.h".
4366 (Output_file::open): Use open_descriptor rather than open.
4367 * archive.cc (Archive::const_iterator): Change Archive to be
4369 (Archive::begin, Archive::end): Make non-const.
4370 (Archive::count_members): Likewise.
4371 * archive.h (class Archive): Update declarations.
4372 * object.h (Object::read): Make non-const.
4373 * Makefile.am (CCFILES): Add descriptors.cc.
4374 (HFILES): Add descriptors.h.
4375 * Makefile.in: Rebuild.
4378 * gold.h: Always include <clocale>. Add Solaris workarounds
4379 following code in binutils/sysdep.h.
4382 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4383 this->eh_frame_hdr_ is NULL before using it.
4385 * dynobj.cc (Versions::Versions): Update comment.
4387 * dynobj.cc (Versions::Versions): If there is an soname, use it as
4388 the base version name.
4390 * stringpool.cc (Stringpool_template::add_with_length): Set key to
4391 array size plus one.
4392 (Stringpool_template::set_string_offsets): Subtract one from key
4393 before using it as an array index.
4394 (Stringpool_template::get_offset_with_length): Likewise.
4395 (Stringpool_template::write_to_buffer): Likewise.
4396 * stringpool.h (Stringpool_template::get_offset_from_key):
4399 2008-07-23 Ian Lance Taylor <iant@google.com>
4402 * object.h (Merged_symbol_value::value): Do our best to handle a
4406 * script.cc (Version_script_info::get_versions): Don't add empty
4407 version tag to return value.
4408 (Version_script_info::get_symbol_version_helper): Change return
4409 type to bool. Add pversion parameter. Change all callers.
4410 (script_register_vers_node): Don't require a non-NULL tag.
4411 * script.h (class Version_script_info): Update declarations.
4412 (Version_script_info::get_symbol_version): Change return type to
4413 bool. Add version parameter. Change all callers.
4414 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4415 handling. Handle an empty version from a version script.
4416 (Symbol_table::define_special_symbol): Likewise.
4417 * testsuite/ver_test_10.script: New file.
4418 * testsuite/ver_test_10.sh: New file.
4419 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4420 (check_DATA): Add ver_test_10.syms.
4421 (ver_test_10.syms, ver_test_10.so): New target.
4422 * testsuite/Makefile.in: Rebuild.
4424 2008-07-23 Simon Baldwin <simonb@google.com>
4426 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4427 to zero for undefined symbols from dynamic libraries.
4429 2008-07-23 Ian Lance Taylor <iant@google.com>
4431 * symtab.cc (Symbol_table::resolve): Remove version parameter.
4433 * symtab.h (class Symbol_table): Update declaration.
4434 * testsuite/ver_test_9.cc: New file.
4435 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4436 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4437 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4438 (ver_test_9.so, ver_test_9.o): New targets.
4439 * testsuite/Makefile.in: Rebuild.
4441 2008-07-22 Ian Lance Taylor <iant@google.com>
4443 * options.h (class General_options): Define --check-sections.
4444 * layout.cc (Layout::set_segment_offsets): Handle
4447 * options.h (class General_options): Define -n/--nmagic and
4449 * options.cc (General_options::finalize): For -n/--nmagic or
4450 -N/--omagic, set -static.
4451 * layout.cc (Layout::attach_allocated_section_to_segment): If
4452 -N/--omagic, don't put read-only and read-write sections in
4454 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4455 finding a read-only segment.
4456 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4457 don't set the minimum segment alignment to the common page size,
4458 and don't set the file offset to the address modulo the page size.
4459 * script-sections.cc (Script_sections::create_segments): If
4460 -n/--omagic, don't put read-only and read-write sections in
4463 * cref.cc: New file.
4465 * options.h (class General_options): Add --print-symbol-counts.
4466 * main.cc (main): Issue defined symbol report if requested.
4467 * archive.cc (Archive::interpret_header): Make into a const member
4469 (Archive::add_symbols): Call Input_objects::archive_start and
4471 (Archive::const_iterator): Define new class.
4472 (Archive::begin, Archive::end): New functions.
4473 (Archive::include_all_members): Rewrite to use iterator.
4474 (Archive::count_members): New function.
4475 * archive.h (class Archive): Update declarations.
4476 (Archive::filename): New function.
4477 * object.cc: Include "cref.h".
4478 (Sized_relobj::Sized_relobj): Initialize defined_count_.
4479 (Sized_relobj::do_get_global_symbol_counts): New function.
4480 (Input_objects::add_object): Add object to cross-referencer.
4481 (Input_objects::archive_start): New function.
4482 (Input_objects::archive_stop): New function.
4483 (Input_objects::print_symbol_counts): New function.
4484 * object.h: Declare Cref and Archive.
4485 (Object::get_global_symbol_counts): New function.
4486 (Object::do_get_global_symbol_counts): New pure virtual function.
4487 (class Sized_relobj): Add defined_count_ field. Update
4489 (class Input_objects): Add cref_ field. Update constructor.
4490 Update declarations.
4491 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4493 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4495 (Sized_dynobj::do_get_global_symbol_counts): New function.
4496 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4497 defined_count_. Update declarations. Define Symbols typedef.
4498 * symtab.cc (Symbol_table::add_from_relobj): Add defined
4499 parameter. Change all callers.
4500 (Symbol_table::add_from_dynobj): Add sympointers and defined
4501 parameters. Change all callers.
4502 * symtab.h (class Symbol_table): Update declarations.
4503 * Makefile.am (CCFILES): Add cref.cc.
4504 (HFILES): Add cref.h.
4505 * Makefile.in: Rebuild.
4507 2008-07-22 Simon Baldwin <simonb@google.com>
4509 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4510 to zero when writing undefined symbols.
4512 2008-07-22 Ian Lance Taylor <iant@google.com>
4514 * output.cc (Output_section::add_input_section): Don't try to
4515 merge empty merge sections.
4517 2008-07-21 Craig Silverstein <csilvers@google.com>
4519 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4520 Include symbol version in error message.
4522 2008-07-20 Chris Demetriou <cgd@google.com>
4524 * configure.ac (gold_cv_c_random_seed): New configured variable.
4525 (RANDOM_SEED_CFLAGS): New substituted variable.
4526 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4527 * configure: Rebuild.
4528 * Makefile.in: Likewise.
4529 * testsuite/Makefile.in: Likewise.
4531 2008-07-18 Ian Lance Taylor <iant@google.com>
4533 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4534 where we see NAME/NULL and NAME/VERSION as separate symbols.
4535 * testsuite/ver_test_main.cc (main): Call t4.
4536 (t4, t4_2a): Define.
4537 * testsuite/ver_test_2.cc (t4_2): Define.
4538 * testsuite/ver_test_2.script: Put t4_2a in VER2.
4539 * testsuite/ver_test_4.cc (t4_2a): Define.
4540 * testsuite/ver_test_4.script: Put t4_2a in VER2.
4541 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4543 2008-07-17 Ian Lance Taylor <iant@google.com>
4545 * dynobj.cc (Versions::add_def): If we give an error about a
4546 missing version, go ahead and create the version anyhow.
4548 2008-07-10 Ian Lance Taylor <iant@google.com>
4550 Handle output sections with more than 0x7fffffff bytes.
4551 * object.h (class Relobj): Change map_to_output_ to
4552 output_sections_, and just keep a section pointer. Change all
4553 uses. Move comdat group support to Sized_relobj.
4554 (Relobj::is_section_specially_mapped): Remove.
4555 (Relobj::output_section): Remove poff parameter. Change all
4557 (Relobj::output_section_offset): New function.
4558 (Relobj::set_section_offset): Rewrite.
4559 (Relobj::map_to_output): Remove.
4560 (Relobj::output_sections): New function.
4561 (Relobj::do_output_section_offset): New pure virtual function.
4562 (Relobj::do_set_section_offset): Likewise.
4563 (class Sized_relobj): Add section_offsets_ field. Add comdat
4564 group support from Relobj. Update declarations.
4565 (Sized_relobj::get_output_section_offset): New function.
4566 (Sized_relobj::do_output_section_offset): New function.
4567 (Sized_relobj::do_set_section_offset): New function.
4568 * object.cc (Relobj::output_section_address): Remove.
4569 (Sized_relobj::Sized_relobj): Initialize new fields.
4570 (Sized_relobj::include_section_group): Cast find_kept_object to
4572 (Sized_relobj::include_linkonce_section): Likewise.
4573 (Sized_relobj::do_layout): Use separate arrays for output section
4575 (Sized_relobj::do_count_local_symbols): Change map_to_output to
4577 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4578 output_sections and section_offsets.
4579 (Sized_relobj::write_local_symbols): Likewise.
4580 (map_to_kept_section): Compute output address directly.
4581 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4582 output_sections and section_offsets.
4583 (Sized_relobj::write_sections): Likewise.
4584 (Sized_relobj::relocate_sections): Likewise.
4585 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4586 * output.h (class Output_reloc): Update declarations. Change
4587 u2_.relobj to Sized_relobj*.
4588 (class Output_data_reloc): Change add functions to use
4590 * output.cc (Output_reloc::Output_reloc): Change relobj to
4592 (Output_reloc::local_section_offset): Change return type to
4593 Elf_Addr. Use get_output_section_offset.
4594 (Output_reloc::get_address): Likewise.
4595 (Output_section::is_input_address_mapped): Don't call
4596 is_section_specially_mapped.
4597 (Output_section::output_offset): Likewise.
4598 (Output_section::output_address): Likewise.
4599 (Output_section::starting_output_address): Likewise.
4600 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4601 parameter to Sized_relobj*.
4602 (Copy_relocs::need_copy_reloc): Likewise.
4603 (Copy_relocs::save): Likewise.
4604 * copy-relocs.h (class Copy_relocs): Update declarations.
4605 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4606 Sized_relobj*. Change relobj_ field to Sized_relobj*.
4607 * target-reloc.h (relocate_for_relocatable): Change
4608 offset_in_output_section type to Elf_Addr. Change code that uses
4610 * layout.cc (Layout::layout): Always set *off.
4611 * mapfile.cc (Mapfile::print_input_section): Use
4612 output_section_offset.
4613 * i386.cc (Target_i386::copy_reloc): Change object parameter to
4615 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4616 * sparc.cc (Target_sparc::copy_reloc): Likewise.
4617 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4619 2008-07-03 Ian Lance Taylor <iant@google.com>
4621 * layout.cc (Layout::include_section): Do not discard unrecognized
4622 SHT_STRTAB sections.
4624 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
4626 * script.cc (Lex::can_continue_name): Make '?' allowable in
4627 version-script names.
4628 * testsuite/version_script.map: Change glob pattern to use '?'
4630 2008-06-30 Manish Singh <yosh@gimp.org>
4633 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4636 2008-06-30 Ian Lance Taylor <iant@google.com>
4640 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4641 versions]: Don't try to read the value in the contents, since we
4642 don't use it. Use the template endianness when writing.
4644 2008-06-25 Cary Coutant <ccoutant@google.com>
4646 * fileread.cc (File_read::make_view): Assert on zero-length view.
4647 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4648 symbol table when there are no symbols to read.
4650 2008-06-23 Craig Silverstein <csilvers@google.com>
4652 * version.cc (version_string): Bump to 1.7
4654 2008-06-18 Craig Silverstein <csilvers@google.com>
4656 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4657 constant 0xFFFF to type Valtype.
4658 (Powerpc_relocate_functions::rel16_ha): Likewise.
4660 2008-06-17 Ian Lance Taylor <iant@google.com>
4662 * output.h (Output_section::Input_section): Initialize p2align_ to
4663 zero for Output_section_data constructors.
4664 (Output_section::Input_section::addralign): If not an input
4665 section, return the alignment of the Output_section_data.
4666 * testsuite/copy_test.cc: New file.
4667 * testsuite/copy_test_1.cc: New file.
4668 * testsuite/copy_test_2.cc: New file.
4669 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4670 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4671 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4672 (copy_test_1_pic.o, copy_test_1.so): New targets.
4673 (copy_test_2_pic.o, copy_test_2.so): New targets.
4674 * testsuite/Makefile.in: Rebuild.
4676 * script-sections.cc (Script_sections::place_orphan): Initialize
4677 local variable exact.
4679 2008-06-13 David Edelsohn <edelsohn@gnu.org>
4681 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4683 2008-06-12 David Edelsohn <edelsohn@gnu.org>
4684 David S. Miller <davem@davemloft.net>
4686 * powerpc.cc: New file.
4687 * Makefile.am (TARGETSOURCES): Add powerpc.cc
4688 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4689 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4690 * Makefile.in: Rebuild.
4692 2008-06-09 Ian Lance Taylor <iant@google.com>
4694 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4696 (throwing, orig_terminate): New static variables.
4697 (terminate_handler): New static function.
4698 (t2): Set terminate handler.
4700 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
4703 * binary.cc (Binary_to_elf::sized_convert): Fix .data
4706 2008-05-30 Cary Coutant <ccoutant@google.com>
4708 * archive.cc (Archive::include_all_members) Correct to step
4709 over symbol table and extended name table in thin archives.
4711 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
4714 * target-reloc.h (relocate_for_relocatable): Fix new_offset
4717 2008-05-28 Caleb Howe <cshowe@google.com>
4719 * reduced_debug_output.cc: New file.
4720 * reduced_debug_output.h: New file.
4721 * options.h (class General_options): Add --strip-debug-non-line.
4722 * options.cc (General_options::finalize): Add strip_debug_non_line
4723 to the strip heirarchy.
4724 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4726 * layout.cc: Include "reduced_debug_output.h".
4727 (Layout::Layout): Initialize new fields.
4728 (line_only_debug_sections): New static array.
4729 (is_lines_only_debug_sections): New static inline function.
4730 (Layout::include_section): Handle --strip-debug-non-line.
4731 (Layout::make_output_section): If --strip-debug-non-line, build
4732 new output sections for .debug_abbrev and .debug_info.
4733 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4734 gold. Warn about possible overflow.
4735 (read_signed_LEB_128): Likewise.
4736 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4737 (read_signed_LEB_128): Declare.
4738 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4739 (HFILES): Add reduced_debug_output.h.
4740 * Makefile.in: Rebuild.
4742 2008-05-21 Ian Lance Taylor <iant@google.com>
4744 * mapfile.cc: New file.
4745 * mapfile.h: New file.
4746 * options.h (class General_options): Add -M/--print-map and -Map.
4747 * options.cc (General_options::finalize): Make -M equivalent to
4749 * main.cc: Include <cstdio> and "mapfile.h".
4750 (main): Open mapfile if requested.
4751 * gold.cc (class Middle_runner): Add mapfile_ field. Update
4752 constructor. Change caller.
4753 (queue_initial_tasks): Add mapfile parameter. Change caller.
4754 (queue_middle_tasks): Likewise.
4755 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4757 * archive.cc: Include "mapfile.h".
4758 (Archive::add_symbols): Add mapfile parameter. Change all
4759 callers. Pass mapfile, symbol, and reason to include_member.
4760 (Archive::include_all_members): Add mapfile parameter. Change all
4762 (Archive::include_member): Add mapfile, sym, and why parameters.
4763 Change all callers. Report inclusion to map file.
4764 * archive.h: Include "fileread.h".
4765 (class Archive): Update declarations.
4766 (Archive::file): New const method.
4767 (class Add_archive_symbols): Add mapfile_ field. Update
4768 constructor. Change all callers.
4769 * readsyms.h (class Read_symbols): Likewise.
4770 (class Finish_group): Likewise.
4771 (class Read_script): Likewise.
4772 * common.cc: Include "mapfile.h".
4773 (Symbol_table::allocate_commons): Add mapfile parameter. Change
4775 (Symbol_table::do_allocate_commons): Likewise.
4776 (Symbol_table::do_allocate_commons_list): Likewise. Report common
4777 symbol allocation to mapfile.
4778 * common.h (class Allocate_commons_task): Add mapfile_ field.
4779 Update constructor. Change all callers.
4780 * symtab.h (class Symbol_table): Update declarations.
4781 * layout.cc: Include "mapfile.h".
4782 (Layout_task_runner::run): Print information to mapfile.
4783 (Layout::create_gold_note): Change Output_data_fixed_space to
4784 Output_data_zero_fill.
4785 (Layout::create_build_id): Likewise.
4786 (Layout::print_to_mapfile): New function.
4787 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
4788 constructor. Change caller.
4789 (class Layout): Declare print_to_mapfile.
4790 * output.cc (Output_section::Input_section::print_to_mapfile): New
4792 (Output_section::add_input_section): If producing a map, always
4793 add to input_sections_ list.
4794 (Output_section::do_print_to_mapfile): New function.
4795 (Output_segment::print_sections_to_mapfile): New function.
4796 (Output_segment::print_section_list_to_mapfile): New function.
4797 * output.h: Include "mapfile.h".
4798 (Output_data::print_to_mapfile): New function.
4799 (Output_data::do_print_to_mapfile): New virtual function.
4800 (Output_segment_headers::do_print_to_mapfile): New function.
4801 (Output_file_header::do_print_to_mapfile): New function.
4802 (Output_data_const::do_print_to_mapfile): New function.
4803 (class Output_data_const_buffer): Add map_name_ field. Update
4804 constructor. Change all callers. Add do_print_to_mapfile
4806 (class Output_data_fixed_space): Likewise.
4807 (class Output_data_space): Likewise.
4808 (class Output_data_zero_fill): New class.
4809 (Output_data_strtab::do_print_to_mapfile): New function.
4810 (Output_data_reloc_base::do_print_to_mapfile): New function.
4811 (Output_relocatable_relocs::do_print_to_mapfile): New function.
4812 (Output_data_group::do_print_to_mapfile): New function.
4813 (Output_data_got::do_print_to_mapfile): New function.
4814 (Output_data_dynamic::do_print_to_mapfile): New function.
4815 (Output_symtab_xindex::do_print_to_mapfile): New function.
4816 (class Output_section): Declare do_print_to_mapflie. Declare
4817 print_to_mapfile in Input_section.
4818 (class Output_segment): Declare new functions.
4819 * object.h (Sized_relobj::symbol_count): New function.
4820 * script-sections.cc
4821 (Output_section_element_dot_assignment::set_section_addresses):
4822 Change Output_data_fixed_space to Output_data_zero_fill.
4823 (Output_data_expression::do_print_to_mapfile): New function.
4824 * script.cc (read_input_script): Add mapfile parameter. Change
4826 * script.h (read_input_script): Update declaration.
4827 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4828 (Eh_frame::do_print_to_mapfile): New function.
4829 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4830 (Output_merge_string::do_print_to_mapfile): New function.
4831 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4833 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4835 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4837 * Makefile.am (CCFILES): Add mapfile.cc.
4838 (HFILES): Add mapfile.h.
4839 * Makefile.in: Rebuild.
4841 2008-05-19 Ian Lance Taylor <iant@google.com>
4843 * options.h (class General_options): Add -z relro.
4844 * layout.cc (Layout::Layout): Initialize relro_segment_.
4845 (Layout::add_output_section_data): Return the output section.
4846 (Layout::make_output_section): Rcognize relro sections and mark
4848 (Layout::attach_allocated_section_to_segment): Put relro sections
4849 in a PT_GNU_RELRO segment.
4850 (Layout::create_initial_dynamic_sections): Mark the .dynamic
4852 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4854 (Layout::linkonce_mapping): Map d.rel.ro.local to
4856 (Layout::output_section_name): Us .data.rel.ro.local for any
4857 section which begins with that.
4858 * layout.h (class Layout): Update add_output_section_data
4859 declaration. Add relro_segment_ field.
4860 * output.cc (Output_section::Output_section): Initialize is_relro_
4861 and is_relro_local_ fields.
4862 (Output_segment::add_output_section): Group relro sections.
4863 (Output_segment::is_first_section_relro): New function.
4864 (Output_segment::maximum_alignment): If there is a relro section,
4865 align the segment to the common page size.
4866 (Output_segment::set_section_addresses): Track whether we are
4867 looking at relro sections. If the last section is a relro
4868 section, align to the common page size.
4869 (Output_segment::set_section_list_addresses): Add in_relro
4870 parameter. Change all callers. Align to the page size when
4871 moving from relro to non-relro section.
4872 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4874 * output.h (class Output_section): Add is_relro_ and
4875 is_relro_local_ fields.
4876 (Output_section::is_relro): New function.
4877 (Output_section::set_is_relro): New function.
4878 (Output_section::is_relro_local): New function.
4879 (Output_section::set_is_relro_local): New function.
4880 (class Output_segment): Update declarations.
4881 * i386.cc (Target_i386::got_section): Mark .got section as relro.
4882 * sparc.cc (Target_sparc::got_section): Likewise.
4883 * x86_64.cc (Target_x86_64::got_section): Likewise.
4884 * testsuite/relro_test_main.cc: New file.
4885 * testsuite/relro_test.cc: New file.
4886 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4887 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4888 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4889 (relro_test.so, relro_test_pic.o): New targets.
4890 * testsuite/Makefile.in: Rebuild.
4892 2008-05-16 Ian Lance Taylor <iant@google.com>
4894 * output.cc (Output_segment::add_output_section): Remove front
4896 * output.h (class Output_segment): Remove
4897 add_initial_output_section and overloaded add_output_section.
4898 Update declaration of remaining add_output_section.
4899 * layout.cc (Layout::create_interp): Call add_output_section
4900 rather than add_initial_output_section.
4901 (Layout::finish_dynamic_section): Likewise.
4903 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4904 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
4905 know the dynamic type.
4906 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4907 field. Initialize it in constructor.
4908 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4909 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4910 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4913 * output.cc (Output_reloc::get_address): Change return type to
4915 * output.h (class Output_reloc): Update get_address declaration.
4916 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4917 for section addresses.
4919 2008-05-09 Ian Lance Taylor <iant@google.com>
4922 * gold.cc (gold_nomem): Use return value of write.
4924 2008-05-08 Ian Lance Taylor <iant@google.com>
4926 * symtab.c (Symbol::init_base_output_data): Add version
4927 parameter. Change all callers.
4928 (Symbol::init_base_output_segment): Likewise.
4929 (Symbol::init_base_constant): Likewise.
4930 (Symbol::init_base_undefined): Likewise.
4931 (Sized_symbol::init_output_data): Likewise.
4932 (Sized_symbol::init_output_segment): Likewise.
4933 (Sized_symbol::init_constant): Likewise.
4934 (Sized_symbol::init_undefined): Likewise.
4935 (Symbol_table::do_define_in_output_data): If the new symbol has a
4936 version, mark it as the default.
4937 (Symbol_table::do_define_in_output_segment): Likewise.
4938 (Symbol_table::do_define_as_constant): Likewise.
4939 * symtab.h (class Symbol): Update declarations.
4940 (class Sized_symbol): Likewise.
4941 * resolve.cc (Symbol::override_version): New function.
4942 (Symbol::override_base): Call override_version.
4943 (Symbol::override_base_with_special): Likewise.
4944 * testsuite/ver_script_8.script: New file.
4945 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4946 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4947 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4948 (ver_test_8_1.so, ver_test_8_2.so): New targets.
4950 2008-05-06 Ian Lance Taylor <iant@google.com>
4953 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4955 (class General_options): Remove existing --undefined, and add
4956 --no-undefined instead. Add new --undefined as synonym for -u.
4957 * archive.cc (Archive::add_symbols): Check whether symbol was
4959 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4960 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4961 all uses. Add IS_UNDEFINED. Update declarations to split
4962 different versions of init_base. Declare init_base_undefined.
4963 (Symbol::is_defined): Handle IS_UNDEFINED.
4964 (Symbol::is_undefined): Likewise.
4965 (Symbol::is_weak_undefined): Call is_undefined.
4966 (Symbol::is_absolute): Handle IS_CONSTANT.
4967 (class Sized_symbol): Update declarations to split different
4968 versions of init. Declare init_undefined.
4969 (class Symbol_table): Declare new functions.
4970 * symtab.cc (Symbol::init_base_object): Rename from init_base.
4972 (Symbol::init_base_output_data): Likewise.
4973 (Symbol::init_base_output_segment): Likewise.
4974 (Symbol::init_base_constant): Likewise.
4975 (Symbol::init_base_undefined): New function.
4976 (Sized_symbol::init_object): Rename from init. Change all
4978 (Sized_symbol::init_output_data): Likewise.
4979 (Sized_symbol::init_output_segment): Likewise.
4980 (Sized_symbol::init_constant): Likewise.
4981 (Sized_symbol::init_undefined): New function.
4982 (Symbol_table::add_undefined_symbols_from_command_line): New
4984 (Symbol_table::do_add_undefined_symbols_from_command_line): New
4986 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4987 (Symbol::output_section): Likewise.
4988 (Symbol::set_output_section): Likewise.
4989 (Symbol_table::sized_finalize_symbol): Likewise.
4990 (Symbol_table::sized_write_globals): Likewise.
4991 * resolve.cc (Symbol_table::should_override): Likewise.
4992 (Symbol::override_base_with_special): Likewise.
4994 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4995 symbol, change it to have default visibility.
4996 * testsuite/protected_1.cc: New file.
4997 * testsuite/protected_2.cc: New file.
4998 * testsuite/protected_3.cc: New file.
4999 * testsuite/protected_main_1.cc: New file.
5000 * testsuite/protected_main_2.cc: New file.
5001 * testsuite/protected_main_3.cc: New file.
5002 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5003 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5004 (protected_1_LDFLAGS, protected_1_LDADD): Define.
5005 (protected_1.so): New target.
5006 (protected_1_pic.o, protected_2_pic.o): New targets.
5007 (protected_3_pic.o): New target.
5008 (check_PROGRAMS): Add protected_2.
5009 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5010 (protected_2_LDFLAGS, protected_2_LDADD): Define.
5011 * testsuite/Makefile.in: Rebuild.
5013 * options.h (DEFINE_var): Add set_user_set_##varname__.
5014 (DEFINE_bool_alias): New macro.
5015 (class General_options): Define -Bstatic using DEFINE_bool_alias
5016 rather than DEFINE_special. Add --undefined as an alias for -z
5018 * options.cc (General_options::parse_Bstatic): Remove.
5020 * options.h (class General_options): Add --fatal-warnings.
5021 * main.cc (main): Implement --fatal-warnings.
5022 * errors.h (Errors::warning_count): New function.
5024 * options.h (class General_options): Add -Bsymbolic-functions.
5025 * symtab.h (Symbol::is_preemptible): Check for
5026 -Bsymbolic-functions.
5028 2008-05-05 Ian Lance Taylor <iant@google.com>
5030 * options.h (DEFINE_bool): For DASH_Z, create the negative option
5031 as noVARNAME rather than no-VARNAME.
5032 (class General_options): Add option -z combreloc.
5033 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5035 (Output_reloc::sort_before) [SHT_REL]: New function.
5036 (Output_reloc::sort_before) [SHT_RELA]: New function.
5037 (class Output_data_reloc_base): Add sort_relocs_ field. Define
5038 Sort_relocs_comparison.
5039 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5040 parameter. Change all callers.
5041 (Output_data_reloc::Output_data_reloc) [both versions]: Add
5042 sort_relocs parameter. Change all callers.
5043 * output.cc (Output_reloc::get_address): New function, broken out
5045 (Output_reloc::write_rel): Call it.
5046 (Output_reloc::compare): New function.
5047 (Output_data_reloc_base::do_write): Optionally sort relocs.
5049 * configure.ac: If targ_extra_obj is set, link it in.
5050 * configure.tgt: Initialize all variables.
5051 (x86_64*): Set targ_extra_obj and targ_extra_size.
5052 * configure: Rebuild.
5054 * object.cc (Sized_relobj::include_section_group): Adjust section
5055 indexes read from group data. Build vector to pass to
5057 * layout.cc (Layout::layout_group): Add flags and shndxes
5058 parameters. Remove contents parameter. Change caller. Update
5059 explicit instantiations.
5060 * layout.h (class Layout): Update layout_group declaration.
5061 * output.cc (Output_data_group::Output_data_group): Add flags and
5062 input_shndxes parameters. Remove contents parameter. Change
5064 (Output_data_group::do_write): Change input_sections_ to
5066 * output.h (class Output_data_group): Update constructor
5067 declaration. Rename input_sections_ to input_shndxes_.
5068 * testsuite/many_sections_test.cc: Add template.
5070 2008-04-30 Cary Coutant <ccoutant@google.com>
5072 * target-reloc.h (relocate_section): Fix dead-pointer bug.
5074 * layout.cc (Layout::include_section): Refactored check for debug
5076 (Layout::add_comdat): Add new parameters. Change type
5077 of signature parameter. Add object and shndx to signatures table.
5078 (Layout::find_kept_object): New function.
5079 * layout.h: Include <cstring>.
5080 (Layout::is_debug_info_section): New function.
5081 (Layout::add_comdat): Add new parameters.
5082 (Layout::find_kept_object): New function.
5083 (Layout::Kept_section): New struct.
5084 (Layout::Signatures): Change type of map range.
5085 * object.cc (Relobj::output_section_address): New function.
5086 (Sized_relobj::include_section_group): Add new parameters. Change
5087 calls to Layout::add_comdat. Change to build table of kept comdat
5088 groups and table mapping discarded sections to kept sections.
5089 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
5090 (Sized_relobj::do_layout): Change calls to include_section_group and
5091 include_linkonce_section.
5092 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
5093 value to zero when section is discarded.
5094 (Sized_relobj::map_to_kept_section): New function.
5095 * object.h (Relobj::output_section_address): New function.
5096 (Relobj::Comdat_group): New type.
5097 (Relobj::find_comdat_group): New function.
5098 (Relobj::Comdat_group_table): New type.
5099 (Relobj::Kept_comdat_section): New type.
5100 (Relobj::Kept_comdat_section_table): New type.
5101 (Relobj::add_comdat_group): New function.
5102 (Relobj::set_kept_comdat_section): New function.
5103 (Relobj::get_kept_comdat_section): New function.
5104 (Relobj::comdat_groups_): New field.
5105 (Relobj::kept_comdat_sections_): New field.
5106 (Symbol_value::input_value): Update comment.
5107 (Sized_relobj::map_to_kept_section) New function.
5108 (Sized_relobj::include_linkonce_section): Add new parameter.
5109 * target-reloc.h (Comdat_behavior): New type.
5110 (get_comdat_behavior): New function.
5111 (relocate_section): Add code to map a discarded section to the
5112 corresponding kept section when applying a relocation.
5114 2008-04-30 Craig Silverstein <csilvers@google.com>
5116 * dwarf_reader.cc (next_generation_count): New static var.
5117 (Addr2line_cache_entry): New struct.
5118 (addr2line_cache): New static var.
5119 (Dwarf_line_info::one_addr2line): Added caching.
5120 (Dwarf_line_info::clear_addr2line_cache): New function.
5121 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
5122 cache-size parameter.
5123 (Dwarf_line_info::one_addr2line_cache): New function.
5124 * symtab.cc (Symbol_table::detect_odr_violations): Pass
5125 new cache-size argument to one_addr2line(), and clear cache.
5127 2008-04-28 Cary Coutant <ccoutant@google.com>
5129 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
5130 R_386_PC8 relocations.
5132 2008-04-23 Ian Lance Taylor <iant@google.com>
5134 * object.cc (Sized_relobj::include_section_group): Check for
5135 invalid section group.
5137 * object.cc (make_elf_object): Correct test for 64-bit ELF file
5140 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
5141 than read for file header.
5142 * archive.cc (Archive::include_member): Likewise.
5144 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
5146 * aclocal.m4: Regenerate.
5147 * configure: Regenerate.
5149 2008-04-19 Ian Lance Taylor <iant@google.com>
5151 * version.cc (version_string): Bump to 1.6.
5153 * testsuite/Makefile.am (many_sections_r_test): New target.
5154 (many_sections_r_test_SOURCES): Remove.
5155 (many_sections_r_test_DEPENDENCIES): Remove.
5156 (many_sections_r_test_LDFLAGS): Remove.
5157 (many_sections_r_test_LDADD): Remove.
5159 * object.cc (Sized_relobj::do_add_symbols): Always pass
5160 local_symbol_count_ to add_from_relobj.
5162 * testsuite/Makefile.am (many_sections_check.h): Only check one in
5163 every thousand variables.
5164 * testsuite/Makefile.in: Rebuild.
5166 * object.cc (Xindex::initialize_symtab_xindex): New function.
5167 (Xindex::read_symtab_xindex): New function.
5168 (Xindex::sym_xindex_to_shndx): New function.
5169 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
5171 (Sized_relobj::do_initialize_xindex): New function.
5172 (Sized_relobj::do_read_symbols): Adjust section links.
5173 (Sized_relobj::symbol_section_and_value): Add is_ordinary
5174 parameter. Change all callers.
5175 (Sized_relobj::include_section_group): Adjust section links and
5176 symbol section indexes.
5177 (Sized_relobj::do_layout): Adjust section links.
5178 (Sized_relobj::do_count_local_symbols): Adjust section links and
5179 symbol section indexes.
5180 (Sized_relobj::do_finalize_local_symbols): Distinguish between
5181 ordinary and special symbols.
5182 (Sized_relobj::write_local_symbols): Add symtab_xindex and
5183 dynsym_xindex parameters. Change all callers. Adjust section
5184 links. Use SHN_XINDEX when needed.
5185 (Sized_relobj::get_symbol_location_info): Adjust section links.
5186 Don't get fooled by special symbols.
5187 * object.h (class Xindex): Define.
5188 (class Object): Add xindex_ parameter. Declare virtual functoin
5189 do_initialize_xindex.
5190 (Object::adjust_sym_shndx): New function.
5191 (Object::set_xindex): New protected function.
5192 (class Symbol_value): Add is_ordinary_shndx_ field.
5193 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
5194 (Symbol_value::value): Assert ordinary section.
5195 (Symbol_value::initialize_input_to_output_map): Likewise.
5196 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
5198 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
5200 (class Sized_relobj): Update declarations.
5201 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5202 parameter. Change all callers.
5203 (Sized_relobj::adjust_shndx): New function.
5204 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5206 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5207 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
5208 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
5209 (Sized_dynobj::read_dynsym_section): Adjust section links.
5210 (Sized_dynobj::read_dynamic): Likewise.
5211 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
5213 (Sized_dynobj::do_initialize_xindex): New function.
5214 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
5215 do_initialize_xindex.
5216 (Sized_dynobj::adjust_shndx): New function.
5217 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5218 dynsym_xindex_ fields.
5219 (Layout::finalize): Add a call to set_section_indexes before
5220 creating the symtab sections.
5221 (Layout::set_section_indexes): Don't do anything if the section
5222 already has a section index.
5223 (Layout::create_symtab_sections): Add shnum parameter. Change
5224 caller. Create .symtab_shndx section if needed.
5225 (Layout::create_shdrs): Add shstrtab_section parameter. Change
5227 (Layout::allocated_output_section_count): New function.
5228 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5230 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5231 fields. Update declarations.
5232 (Layout::symtab_xindex): New function.
5233 (Layout::dynsym_xindex): New function.
5234 (class Write_symbols_task): Add layout_ field.
5235 (Write_symbols_task::Write_symbols_task): Add layout parameter.
5237 * output.cc (Output_section_headers::Output_section_headers): Add
5238 shstrtab_section parameter. Change all callers.
5239 (Output_section_headers::do_sized_write): Store overflow values
5240 for section count and section string table section index in
5241 section header zero.
5242 (Output_file_header::do_sized_write): Check for overflow of
5243 section count and section string table section index.
5244 (Output_symtab_xindex::do_write): New function.
5245 (Output_symtab_xindex::endian_do_write): New function.
5246 * output.h (class Output_section_headers): Add shstrtab_section_.
5247 Update declarations.
5248 (class Output_symtab_xindex): Define.
5249 (Output_section::has_out_shndx): New function.
5250 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5252 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5254 (Sized_symbol::init): Likewise.
5255 (Symbol::output_section): Check for ordinary symbol.
5256 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
5257 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
5259 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5260 Change all callers. Simplify handling of symbols from sections
5261 not included in the link.
5262 (Symbol_table::add_from_dynobj): Handle ordinary symbol
5264 (Weak_alias_sorter::operator()): Assert that symbols are
5266 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5268 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5269 parameters. Change all callers.
5270 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
5271 symbol distinction. Use SHN_XINDEX when needed.
5272 (Symbol_table::write_section_symbol): Add symtab_xindex
5273 parameter. Change all callers.
5274 (Symbol_table::sized_write_section_symbol): Likewise. Use
5275 SHN_XINDEX when needed.
5276 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
5278 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
5279 (Symbol::is_defined): Check is_ordinary.
5280 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5281 (Symbol::is_absolute, Symbol::is_common): Likewise.
5282 (class Sized_symbol): Update declarations.
5283 (class Symbol_table): Update declarations.
5284 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5285 parameters. Change all callers.
5286 (Sized_symbol::override): Likewise.
5287 (Symbol_table::override): Likewise.
5288 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
5289 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
5290 is_ordinary, and orig_st_shndx parameters. Change all callers.
5291 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5292 to be in an ordinary section.
5293 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5294 object and is_ordinary parameters. Change all callers.
5295 (Sized_dwarf_line_info::read_relocs): Add object parameter.
5296 Change all callers. Don't add undefined or non-ordinary symbols
5298 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5300 * dwarf_reader.h (class Sized_dwarf_line_info): Update
5302 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5303 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5304 (Sized_relobj::relocate_sections): Likewise.
5305 * target-reloc.h (scan_relocs): Adjust section symbol index.
5306 (scan_relocatable_relocs): Likewise.
5307 * i386.cc (Scan::local): Check for ordinary symbols.
5308 * sparc.cc (Scan::local): Likewise.
5309 * x86_64.cc (Scan::local): Likewise.
5310 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5311 to symbol_section_and_value.
5312 * testsuite/many_sections_test.cc: New file.
5313 * testsuite/Makefile.am (BUILT_SOURCES): Define.
5314 (check_PROGRAMS): Add many_sections_test.
5315 (many_sections_test_SOURCES): Define.
5316 (many_sections_test_DEPENDENCIES): Define.
5317 (many_sections_test_LDFLAGS): Define.
5318 (BUILT_SOURCES): Add many_sections_define.h.
5319 (many_sections_define.h): New target.
5320 (BUILT_SOURCES): Add many_sections_check.h.
5321 (many_sections_check.h): New target.
5322 (check_PROGRAMS): Add many_sections_r_test.
5323 (many_sections_r_test_SOURCES): Define.
5324 (many_sections_r_test_DEPENDENCIES): Define.
5325 (many_sections_r_test_LDFLAGS): Define.
5326 (many_sections_r_test_LDADD): Define.
5327 (many_sections_r_test.o): New target.
5328 * testsuite/Makefile.in: Rebuild.
5330 2008-04-17 Cary Coutant <ccoutant@google.com>
5332 * errors.cc (Errors::info): New function.
5333 (gold_info): New function.
5334 * errors.h (Errors::info): New function.
5335 * gold.h (gold_info): New function.
5336 * object.cc (Input_objects::add_object): Print trace output.
5337 * options.cc (options::parse_set): New function.
5338 (General_options::parse_wrap): Deleted.
5339 (General_options::General_options): Deleted initializer.
5340 * options.h (options::String_set): New typedef.
5341 (options::parse_set): New function.
5342 (DEFINE_set): New macro.
5343 (General_options::wrap): Changed to use DEFINE_set. Changed
5344 callers of any_wrap_symbols and is_wrap_symbol.
5345 (General_options::trace, General_options::trace_symbol):
5347 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5348 (General_options::wrap_symbols_): Deleted.
5349 * symtab.cc (Symbol_table::add_from_object): Print trace output.
5351 2008-04-17 David S. Miller <davem@davemloft.net>
5353 * options.cc (General_options::parse_V): New function.
5354 * options.h: Add entries for -V and -Qy.
5356 2008-04-17 Ian Lance Taylor <iant@google.com>
5358 * common.cc (Symbol_table::allocate_commons): Remove options
5359 parameter. Change caller.
5360 (Symbol_table::do_allocate_commons): Remove options parameter.
5361 Change caller. Just call do_allocate_commons_list twice.
5362 (Symbol_table::do_allocate_commons_list): New function, broken out
5363 of do_allocate_commons.
5364 * common.h (class Allocate_commons_task): Remove options_ field.
5366 * symtab.cc (Symbol_table::Symbol_table): Initialize
5368 (Symbol_table::add_from_object): Put TLS common symbols on
5370 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5371 which are IN_OUTPUT_DATA.
5372 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
5373 allocate_commons and do_allocate_commons declarations. Declare
5374 do_allocate_commons_list.
5375 * gold.cc (queue_middle_tasks): Update creation of
5376 Allocate_commons_task to not pass options.
5377 * testsuite/Makefile.am (INCLUDES): Add -I.. .
5378 (TLS_TEST_C_FLAGS): New variable.
5379 (tls_test_c_pic.o): New target.
5380 (tls_test_shared.so): Link in tls_test_c_pic.o.
5381 (tls_test_c_pic_ie.o): New target.
5382 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5383 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5384 (tls_test_c.o): New target.
5385 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5386 (tls_pic_test_LDADD): Likewise.
5387 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5388 (tls_shared_gd_to_ie_test_LDADD): Likewise.
5389 (tls_test_c_gnu2.o): New target.
5390 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5392 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5393 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5394 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5395 * testsuite/tls_test.cc: Include "config.h".
5396 (t_last): Call t11_last.
5397 * testsuite/tls_test.h (t11, t11_last): Declare.
5398 * testsuite/tls_test_c.c: New file.
5399 * testsuite/tls_test_main.cc (thread_routine): Call t11.
5400 * configure.ac: Check for OpenMP support.
5401 * configure, config.in, Makefile.in: Rebuild.
5402 * testsuite/Makefile.in: Rebuild.
5404 2008-04-16 Cary Coutant <ccoutant@google.com>
5406 * i386.cc (Target_i386::define_tls_base_symbol): New function.
5407 (Target_i386::tls_base_symbol_defined_): New field.
5408 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5409 (Target_i386::Scan::global): Likewise.
5410 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5411 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5412 (Target_x86_64::tls_base_symbol_defined_): New field.
5413 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5414 (Target_x86_64::Scan::global): Likewise.
5416 2008-04-16 Cary Coutant <ccoutant@google.com>
5418 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5419 (Symbol::needs_plt_entry): Allow weak undefined symbols.
5420 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5421 building shared libraries.
5422 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5423 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5424 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5425 * testsuite/Makefile.in: Rebuild.
5426 * testsuite/weak_undef.h: New file.
5427 * testsuite/weak_undef_file1.cc: Add extra test cases.
5428 * testsuite/weak_undef_file2.cc: Likewise.
5429 * testsuite/weak_undef_test.cc: Likewise.
5431 2008-04-16 David S. Miller <davem@davemloft.net>
5433 * sparc.cc (Target_sparc::Scan): Change from struct to class.
5434 Add issued_non_pic_error_ field. Declare check_non_pic.
5435 (Target_sparc::Scan::check_non_pic): New function.
5436 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5437 (Target_sparc::Scan::global): Likewise.
5439 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5440 * configure: Rebuild.
5442 * options.h (DEFINE_enable): New macro.
5443 (new_dtags): New enable option.
5444 (initfirst, interpose, loadfltr, nodefaultlib,
5445 nodelete, nodlopen, nodump): New -z options.
5446 * layout.cc (Layout:finish_dynamic_section): If new
5447 dtags enabled, emit DT_RUNPATH. Also, emit a
5448 DT_FLAGS_1 containing any specified -z flags.
5450 2008-04-16 Ian Lance Taylor <iant@google.com>
5452 * copy-relocs.cc: New file.
5453 * copy-relocs.h: New file.
5454 * reloc.cc: Remove Copy_relocs code.
5455 * reloc.h: Likewise.
5456 * reloc-types.h (struct Reloc_types) [both versions]: Add
5457 get_reloc_addend_noerror.
5458 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5459 variants of add_global which take an addend which must be zero.
5460 * i386.cc: Include "copy-relocs.h".
5461 (class Target_i386): Change type of copy_relocs_ to variable,
5463 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5465 (Target_i386::do_finalize_sections): Change handling of
5467 * sparc.cc: Include "copy-relocs.h".
5468 (class Target_sparc): Change type of copy_relocs_ to variable,
5470 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5472 (Target_sparc::do_finalize_sections): Change handling of
5474 * x86_64.cc: Include "copy-relocs.h".
5475 (class Target_x86_64): Change type of copy_relocs_ to variable,
5477 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5478 class. Change all callers.
5479 (Target_x86_64::do_finalize_sections): Change handling of
5481 * Makefile.am (CCFILES): Add copy-relocs.cc.
5482 (HFILES): Add copy-relocs.h.
5484 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5486 * testsuite/script_test_4.sh: Permit leading zeroes.
5488 2008-04-15 Ian Lance Taylor <iant@google.com>
5490 * script-sections.cc (Script_sections::create_segments): Use
5491 header_size_adjustment even when there is enough room for the
5493 * testsuite/script_test_4.sh: New file.
5494 * testsuite/script_test_4.t: New file.
5495 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5496 (check_DATA): Add script_test_4.stdout.
5497 (MOSTLYCLEANFILES): Likewise.
5498 (script_test_4): New target.
5499 (script_test_4.stdout): New target.
5500 * testsuite/Makefile.in: Rebuild.
5502 * sparc.cc: Add definitions for Output_data_plt_sparc class
5505 2008-04-14 David S. Miller <davem@davemloft.net>
5507 * sparc.cc: New file.
5508 * Makefile.am (TARGETSOURCES): Add sparc.cc
5509 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5510 * configure.tgt: Document targ_extra_size and
5511 targ_extra_big_endian. Add entries for sparc-* and
5513 * configure.ac: Handle targ_extra_size and
5514 targ_extra_big_endian.
5515 * Makefile.in: Rebuild.
5516 * configure: Likewise.
5517 * po/POTFILES.in: Likewise.
5518 * po/gold.pot: Likewise.
5520 2008-04-14 Ian Lance Taylor <iant@google.com>
5522 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5523 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5524 in the name/type/flags to section mapping. Don't call
5525 allocate_output_section.
5526 (Layout::choose_output_section): Change parameter from adjust_name
5527 to is_input_section. Don't permit input sections after sections
5528 are attached to segments. Don't call allocate_output_section.
5529 (Layout::layout_eh_frame): Call update_flags_for_input_section,
5530 not write_enable_output_section.
5531 (Layout::make_output_section): Don't push to
5532 unattached_section_list_ nor call attach_to_segment. Call
5533 attach_section_to_segment if sections are attached.
5534 (Layout::attach_sections_to_segments): New function.
5535 (Layout::attach_section_to_segment): New function.
5536 (Layout::attach_allocated_section_to_segment): Rename from
5537 attach_to_segment. Remove flags parameter.
5538 (Layout::allocate_output_section): Remove function.
5539 (Layout::write_enable_output_section): Remove function.
5540 * layout.h (class Layout): Update for above changes. Add new
5541 field sections_are_attached_.
5542 * output.h (Output_section::update_flags_for_input_section): New
5544 * output.cc (Output_section::add_input_section): Call
5545 update_flags_for_input_section.
5546 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5548 2008-04-11 Cary Coutant <ccoutant@google.com>
5550 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5551 thought unnecessary.
5552 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5554 2008-04-11 Ian Lance Taylor <iant@google.com>
5556 * output.h (class Output_section_data): Remove inline definition
5558 * output.cc (Output_section_data::set_addralign): New function.
5560 2008-04-11 Cary Coutant <ccoutant@google.com>
5562 Add support for TLS descriptors for i386 and x86_64.
5563 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5564 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5565 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5567 (Target_i386::got_mod_index_entry): Remove unnecessary code.
5568 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5569 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
5571 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5572 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5573 Fix problem with initial-exec relocations.
5574 (Target_i386::Relocate::relocate_tls): Likewise.
5575 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5577 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5578 support for section-plus-offset dynamic table entries.
5579 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5580 (Output_data_dynamic::Dynamic_entry): Add support for
5581 section-plus-offset dynamic table entries.
5582 (Output_data_dynamic::Classification): Likewise.
5583 (Output_data_dynamic::classification_): Renamed offset_.
5584 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5585 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5586 (Target_x86_64::make_plt_section): New function.
5587 (Target_x86_64::reserve_tlsdesc_entries): New function.
5588 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5589 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5590 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5591 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5592 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5593 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5594 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5595 add extra PLT entry for TLS descriptors.
5596 (Output_data_plt_x86_64::got_): New field.
5597 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5598 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5600 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5602 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5603 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5604 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5605 R_386_TLS_DESC_CALL relocations.
5606 (Target_x86_64::Scan::global): Likewise.
5607 (Target_x86_64::do_finalize_sections): Add dynamic table entries
5608 for TLS descriptors.
5609 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5610 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5611 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5612 GD-to-IE relaxation.
5613 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5614 and TLS_DESCRIPTORS.
5615 * Makefile.in: Rebuild.
5616 * configure: Rebuild.
5617 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5618 (tls_test_shared2.so): New target.
5619 (tls_shared_gd_to_ie_test_SOURCES): New variable.
5620 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5621 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5622 (tls_shared_gd_to_ie_test_LDADD): New variable.
5623 (tls_shared_gnu2_gd_to_ie_test): New target.
5624 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5626 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5627 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5628 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5629 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5630 (tls_shared_gnu2_test): New target.
5631 (tls_test_gnu2_shared.so): New target.
5632 (tls_shared_gnu2_test_SOURCES): New variable.
5633 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5634 (tls_shared_gnu2_test_LDFLAGS): New variable.
5635 (tls_shared_gnu2_test_LDADD): New variable.
5636 * testsuite/Makefile.in: Rebuild.
5637 * testsuite/Makefile.
5639 2008-04-11 Ian Lance Taylor <iant@google.com>
5641 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5643 * testsuite/Makefile.in: Rebuild.
5645 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5647 * testsuite/script_test_2.cc (main): Adjust test.
5649 2008-04-11 David S. Miller <davem@davemloft.net>
5650 Ian Lance Taylor <iant@google.com>
5652 * options.h (General_options): Add entries for '-Y' and
5654 * options.cc (General_options:finalize): If -Y was used, add those
5655 entries to the library path instead of the default "/lib" and
5658 2008-04-11 David S. Miller <davem@davemloft.net>
5660 * testsuite/justsyms.t: Start at 0x100.
5661 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5662 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5664 * testsuite/script_test_2.cc: Adjust string and section length
5667 2008-04-09 Ian Lance Taylor <iant@google.com>
5670 * script-sections.cc (Sections_element::allocate_to_segment): Add
5672 (Output_section_definition::allocate_to_segment): Likewise.
5673 (Orphan_output_section::allocate_to_segment): Likewise.
5674 (Script_sections::attach_sections_using_phdrs_clause): Don't
5675 propagate non-PT_LOAD segments to orphan sections.
5676 * testsuite/Makefile.am (script_test_3.stdout): Generate using
5677 readelf rather than objdump.
5678 * testsuite/script_test_3.sh: Adjust accordingly. Test that
5679 .interp section and PT_INTERP segment are the same size.
5680 * testsuite/Makefile.in: Rebuild.
5682 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5683 aliases for symbols defined in the same object.
5684 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5685 (weak_alias_test_SOURCES): New variable.
5686 (weak_alias_test_DEPENDENCIES): New variable.
5687 (weak_alias_test_LDFLAGS): New variable.
5688 (weak_alias_test_LDADD): New variable.
5689 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5690 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5691 (weak_alias_test_3.o): New target.
5692 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5693 * testsuite/weak_alias_test_main.cc: New file.
5694 * testsuite/weak_alias_test_1.cc: New file.
5695 * testsuite/weak_alias_test_2.cc: New file.
5696 * testsuite/weak_alias_test_3.cc: New file.
5698 2008-04-08 Ian Lance Taylor <iant@google.com>
5700 * options.h (class General_options): Add --noinhibit-exec option.
5701 * main.cc (main): Check --noinhibit-exec.
5703 * options.h (class General_options): Define --wrap as a special
5704 option. Add wrap_symbols_ field.
5705 (General_options::any_wrap_symbols): New function.
5706 (General_options::is_wrap_symbol): New function.
5707 * options.cc (General_options::parse_wrap): New function.
5708 (General_options::General_options): Initialize wrap_symbols_.
5709 * symtab.cc (Symbol_table::wrap_symbol): New function.
5710 (Symbol_table::add_from_object): Handle --wrap.
5711 * symtab.h (class Symbol_table): Declare wrap_symbol.
5712 * target.h (Target::wrap_char): New function.
5713 (Target::Target_info): Add wrap_char field.
5714 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5715 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5716 * testsuite/testfile.cc (Target_test::test_target_info):
5719 * errors.cc (Errors::undefined_symbol): Mention symbol version if
5722 * layout.h (class Layout): Add added_eh_frame_data_ field.
5723 * layout.cc (Layout::Layout): Initialize new field.
5724 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5725 output section until we find a section we merged successfully.
5726 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5727 that the size be non-zero.
5729 * merge.cc (Object_merge_map::get_output_offset): Remove inline
5732 2008-04-08 Craig Silverstein <csilvers@google.com>
5734 * configure.ac: Export new conditional variable HAVE_ZLIB.
5735 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5737 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5738 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5740 2008-04-07 Ian Lance Taylor <iant@google.com>
5742 * version.cc (version_string): Set to "1.5".
5744 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5745 Add issued_non_pic_error_ field. Declare check_non_pic.
5746 (Target_x86_64::Scan::check_non_pic): New function.
5747 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5748 (Target_x86_64::Scan::global): Likewise.
5750 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5751 addend parameter. Change caller. Handle merge sections.
5752 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5753 Address to Addend. Don't add in the result of
5754 local_section_offset, pass down the addend and use the returned
5756 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5757 Update declarations of local_section_offset and symbol_value.
5758 * testsuite/two_file_test_1.cc (t18): New function.
5759 * testsuite/two_file_test_2.cc (f18): New function.
5760 * testsuite/two_file_test_main.cc (main): Call t18.
5761 * testsuite/two_file_test.h (t18, f18): Declare.
5763 * configure.ac: Don't test for objdump, c++filt, or readelf.
5764 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5766 (TEST_READELF): New variable.
5767 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5768 (check_PROGRAMS): Add two_file_strip_test.
5769 (two_file_strip_test): New target.
5770 (check_PROGRAMS): Add two_file_same_shared_strip_test.
5771 (two_file_same_shared_strip_test_SOURCES): New variable.
5772 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5773 (two_file_same_shared_strip_test_LDFLAGS): New variable.
5774 (two_file_same_shared_strip_test_LDADD): New variable.
5775 (two_file_shared_strip.so): New target.
5776 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5777 (ver_test_5.syms, ver_test_7.syms): Likewise.
5778 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5779 (strip_test_3.stdout): Use TEST_OBJDUMP.
5780 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5782 2008-04-04 Cary Coutant <ccoutant@google.com>
5784 * symtab.h (Symbol::is_weak_undefined): New function.
5785 (Symbol::is_strong_undefined): New function.
5786 (Symbol::is_absolute): New function.
5787 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5788 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5790 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5791 (weak_undef_test): New target.
5792 * testsuite/Makefile.in: Rebuild.
5793 * testsuite/weak_undef_file1.cc: New file.
5794 * testsuite/weak_undef_file2.cc: New file.
5795 * testsuite/weak_undef_test.cc: New file.
5797 2008-04-03 Craig Silverstein <csilvers@google.com>
5799 * compressed_output.h (class Output_compressed_section): Use
5801 * compressed_output.cc (zlib_compress): Use unsigned buffers,
5803 (zlib_compressed_suffix): Removed.
5804 (Output_compressed_section::set_final_data_size): Use unsigned
5806 * testsuite/Makefile.am (flagstest_compress_debug_sections):
5807 Fix linker invocation.
5808 (flagstest_o_specialfile_and_compress_debug_sections):
5810 * testsuite/Makefile.in: Regenerated.
5812 2008-04-02 David S. Miller <davem@davemloft.net>
5814 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5815 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5817 2008-04-02 Craig Silverstein <csilvers@google.com>
5821 2008-04-02 Ian Lance Taylor <iant@google.com>
5823 * fileread.cc (File_read::find_view): Add byteshift and vshifted
5824 parameters. Update for new key type to views_. Change all
5826 (File_read::read): Adjust for byteshift in returned view.
5827 (File_read::add_view): New function, broken out of
5829 (File_read::make_view): New function, broken out of
5831 (File_read::find_or_make_view): Add offset and aligned
5832 parameters. Rewrite accordingly. Change all callers.
5833 (File_read::get_view): Add offset and aligned parameters. Adjust
5834 for byteshift in return value.
5835 (File_read::get_lasting_view): Likewise.
5836 * fileread.h (class File_read): Update declarations.
5837 (class File_read::View): Add byteshift_ field. Add byteshift to
5838 constructor. Add byteshift method.
5839 * archive.h (Archive::clear_uncached_views): New function.
5840 (Archive::get_view): Add aligned parameter. Change all callers.
5841 * object.h (Object::get_view): Add aligned parameter. Change all
5843 (Object::get_lasting_view): Likewise.
5845 * fileread.cc (File_read::release): Don't call clear_views if
5846 there are multiple objects.
5847 * fileread.h (File_read::clear_uncached_views): New function.
5848 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5851 2008-03-31 Cary Coutant <ccoutant@google.com>
5853 Add thin archive support.
5854 * archive.cc (Archive::armagt): New const.
5855 (Archive::setup): Remove task parameter and calls to unlock.
5856 (Archive::unlock_nested_archives): New function.
5857 (Archive::read_header): Add nested_off parameter. Change
5859 (Archive::interpret_header): Likewise.
5860 (Archive::include_all_members): Change to handle thin
5862 (Archive::include_member): Likewise.
5863 * archive.h (Archive::Archive): Add new parameters and
5865 (Archive::armagt): New const.
5866 (Archive::setup): Remove task parameter.
5867 (Archive::unlock_nested_archives): New function.
5868 (Archive::read_header): Add nested_off parameter.
5869 (Archive::interpret_header): Likewise.
5870 (Archive::Nested_archive_table): New typedef.
5871 (Archive::is_thin_archive_): New field.
5872 (Archive::nested_archives_): New field.
5873 (Archive::options_): New field.
5874 (Archive::dirpath_): New field.
5875 (Archive::task_): New field.
5876 * readsyms.cc (Read_symbols::do_read_symbols): Add check
5877 for thin archives. Pass additional parameters to
5878 Archive::Archive. Unlock the archive file after calling
5881 2008-03-29 Ian Lance Taylor <iant@google.com>
5883 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5884 version symbol to be local.
5885 * testsuite/ver_test_4.sh: New file.
5886 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5887 (check_DATA): Add ver_test_4.syms.
5888 (ver_test_4.syms): New target.
5889 * testsuite/Makefile.in: Rebuild.
5892 (Output_section::Input_section_sort_entry::has_priority): New
5894 (Output_section::Input_section_sort_entry::match_file_name): New
5896 (Output_section::Input_section_sort_entry::match_section_name):
5898 (Output_section::Input_section_sort_entry::match_section_name_prefix):
5900 (Output_section::Input_section_sort_entry::match_section_file):
5902 (Output_section::Input_section_sort_compare::operator()): Rewrite
5903 using new Input_section_sort_entry functions. Sort crtbegin and
5904 crtend first. Sort sections with no priority before sections with
5906 * testsuite/initpri1.c (d3): Check j != 4.
5907 (cd5): New constructor/destructor function.
5908 (main): Check j != 2.
5910 * symtab.cc (Symbol_table::add_from_object): If we don't use the
5911 new symbol when resolving, don't call set_is_default.
5912 * testsuite/ver_test_7.cc: New file.
5913 * testsuite/ver_test_7.sh: New file.
5914 * testsuite/Makefile.am (ver_test_7.so): New target.
5915 (ver_test_7.o): New target.
5916 (check_SCRIPTS): Add ver_test_7.sh.
5917 (check_DATA): Add ver_test_7.syms.
5918 (ver_test_7.syms): New target.
5920 2008-03-28 Ian Lance Taylor <iant@google.com>
5922 * layout.cc (Layout::layout): If we see an input section with a
5923 name that needs sorting, set the must_sort flag for the output
5925 (Layout::make_output_section): If the name of the output section
5926 indicates that it might require sorting, set the may_sort flag.
5927 * output.h (Output_section::may_sort_attached_input_sections): New
5929 (Output_section::set_may_sort_attached_input_sections): New
5931 (Output_section::must_sort_attached_input_sections): New
5933 (Output_section::set_must_sort_attached_input_sections): New
5935 (class Output_section): Declare Input_section_sort_entry. Define
5936 Input_section_sort_compare. Declare
5937 sort_attached_input_sections. Add new fields:
5938 may_sort_attached_input_sections_,
5939 must_sort_attached_input_sections_,
5940 attached_input_sections_are_sorted_.
5941 * output.cc (Output_section::Output_section): Initialize new
5943 (Output_section::add_input_section): Add an entry to
5944 input_sections_ if may_sort or must_sort are true.
5945 (Output_section::set_final_data_size): Call
5946 sort_attached_input_sections if necessary.
5947 (Output_section::Input_section_sort_entry): Define new class.
5948 (Output_section::Input_section_sort_compare::operator()): New
5950 (Output_section::sort_attached_input_sections): New function.
5951 * configure.ac: Check whether the compiler supports constructor
5952 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
5953 * testsuite/initpri1.c: New file.
5954 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5955 CONSTRUCTOR_PRIORITY.
5956 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5957 (initpri1_LDFLAGS): New variable.
5958 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5960 2008-03-27 Ian Lance Taylor <iant@google.com>
5962 * common.cc (Sort_commons::operator): Correct sorting algorithm.
5963 * testsuite/common_test_1.c: New file.
5964 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5965 (common_test_1_SOURCES): New variable.
5966 (common_test_1_DEPENDENCIES): New variable.
5967 (common_test_1_LDFLAGS): New variable.
5969 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5970 and commons_ correctly when NAME/VERSION does not override
5972 * testsuite/ver_test_6.c: New file.
5973 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5974 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5975 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5977 2008-03-26 Ian Lance Taylor <iant@google.com>
5979 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5980 of an undefined symbol from a version script.
5981 * testsuite/Makefile.am (ver_test_5.so): New target.
5982 (ver_test_5.o): New target.
5983 (check_SCRIPTS): Add ver_test_5.sh.
5984 (check_DATA): Add ver_test_5.syms.
5985 (ver_test_5.syms): New target.
5986 * testsuite/ver_test_5.cc: New file.
5987 * testsuite/ver_test_5.script: New file.
5988 * testsuite/ver_test_5.sh: New file.
5989 * Makefile.in, testsuite/Makefile.in: Rebuild.
5992 Fix problems building gold with gcc 4.3.0.
5993 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5994 (gold_error_at_location, gold_warning_at_location): Use it.
5995 * configure.ac: Check whether we can compile and use a template
5996 function with a printf attribute.
5997 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5998 when jumping over bytes.
5999 * object.cc: Instantiate Object::read_section_data.
6000 * debug.h: Include <cstring>
6001 * dwarf_reader.cc: Include <algorithm>
6002 * main.cc: Include <cstring>.
6003 * options.cc: Include <cstring>.
6004 * output.cc: Include <cstring>.
6005 * script.cc: Include <cstring>.
6006 * script.h: Include <string>.
6007 * symtab.cc: Include <cstring> and <algorithm>.
6008 * target-select.cc: Include <cstring>.
6009 * version.cc: Include <string>.
6010 * testsuite/testmain.cc: Include <cstdlib>.
6011 * configure, config.in: Rebuild.
6013 2008-03-25 Ian Lance Taylor <iant@google.com>
6015 * options.cc: Include "../bfd/bfdver.h".
6016 (options::help): Print bug reporting address.
6018 * version.cc (print_version): Adjust output for current value of
6023 * options.cc (options::help): Print list of supported targets.
6024 * target-select.h: Include <vector>.
6025 (class Target_selector): Make machine_, size_, and is_big_endian_
6026 fields const. Add bfd_name_ and instantiated_target_ fields.
6027 (Target_selector::Target_selector): Add bfd_name parameter.
6028 (Target_selector::recognize): Make non-virtual, call
6030 (Target_selector::recognize_by_name): Make non-virtual, call
6031 do_recognize_by_name.
6032 (Target_selector::supported_names): New function.
6033 (Target_selector::bfd_name): New function.
6034 (Target_selector::do_instantiate_target): New pure virtual
6036 (Target_selector::do_recognize): New virtual function.
6037 (Target_selector::do_recognize_by_name): New virtual function.
6038 (Target_selector::instantiate_target): New private function.
6039 (supported_target_names): Declare.
6040 * target-select.cc (Target_selector::Target_selector): Update for
6041 new parameter and fields.
6042 (select_target_by_name): Check that the name matches before
6043 calling recognize_by_name.
6044 (supported_target_names): New function.
6045 * i386.cc (class Target_selector_i386): Update Target_selector
6046 constructor call. Remove recognize and recognize_by_name. Add
6047 do_instantiate_target.
6048 * x86_64.cc (class Target_selector_x86_64): Likewise.
6049 * testsuite/testfile.cc (class Target_selector_test): Update for
6050 changes to Target_selector.
6052 * README: Rewrite, with some notes on unsupported features.
6054 2008-03-24 Cary Coutant <ccoutant@google.com>
6056 * i386.cc (Target_i386::Got_type): New enum declaration.
6057 (Target_i386::Scan::local): Updated callers of Output_data_got
6059 (Target_i386::Scan::global): Likewise.
6060 (Target_i386::Relocate::relocate): Likewise.
6061 (Target_i386::Relocate::relocate_tls): Likewise.
6062 * object.h (Got_offset_list): New class.
6063 (Sized_relobj::local_has_got_offset): Added got_type parameter.
6064 (Sized_relobj::local_got_offset): Likewise.
6065 (Sized_relobj::set_local_got_offset): Likewise.
6066 (Sized_relobj::local_has_tls_got_offset): Removed.
6067 (Sized_relobj::local_tls_got_offset): Removed.
6068 (Sized_relobj::set_local_tls_got_offset): Removed.
6069 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6070 * output.cc (Output_data_got::add_global): Added got_type parameter.
6071 (Output_data_got::add_global_with_rel): Likewise.
6072 (Output_data_got::add_global_with_rela): Likewise.
6073 (Output_data_got::add_global_pair_with_rel): New function.
6074 (Output_data_got::add_global_pair_with_rela): New function.
6075 (Output_data_got::add_local): Added got_type parameter.
6076 (Output_data_got::add_local_with_rel): Likewise.
6077 (Output_data_got::add_local_with_rela): Likewise.
6078 (Output_data_got::add_local_pair_with_rel): New function.
6079 (Output_data_got::add_local_pair_with_rela): New function.
6080 (Output_data_got::add_global_tls): Removed.
6081 (Output_data_got::add_global_tls_with_rel): Removed.
6082 (Output_data_got::add_global_tls_with_rela): Removed.
6083 (Output_data_got::add_local_tls): Removed.
6084 (Output_data_got::add_local_tls_with_rel): Removed.
6085 (Output_data_got::add_local_tls_with_rela): Removed.
6086 * output.h (Output_data_got::add_global): Added got_type parameter.
6087 (Output_data_got::add_global_with_rel): Likewise.
6088 (Output_data_got::add_global_with_rela): Likewise.
6089 (Output_data_got::add_global_pair_with_rel): New function.
6090 (Output_data_got::add_global_pair_with_rela): New function.
6091 (Output_data_got::add_local): Added got_type parameter.
6092 (Output_data_got::add_local_with_rel): Likewise.
6093 (Output_data_got::add_local_with_rela): Likewise.
6094 (Output_data_got::add_local_pair_with_rel): New function.
6095 (Output_data_got::add_local_pair_with_rela): New function.
6096 (Output_data_got::add_global_tls): Removed.
6097 (Output_data_got::add_global_tls_with_rel): Removed.
6098 (Output_data_got::add_global_tls_with_rela): Removed.
6099 (Output_data_got::add_local_tls): Removed.
6100 (Output_data_got::add_local_tls_with_rel): Removed.
6101 (Output_data_got::add_local_tls_with_rela): Removed.
6102 * resolve.cc (Symbol::override_base_with_special): Removed
6103 reference to has_got_offset_ field.
6104 * symtab.cc (Symbol::init_fields): Replaced initialization
6105 of got_offset_ with got_offsets_. Removed initialization
6107 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
6108 (Symbol::got_offset): Likewise.
6109 (Symbol::set_got_offset): Likewise.
6110 (Symbol::has_tls_got_offset): Removed.
6111 (Symbol::tls_got_offset): Removed.
6112 (Symbol::set_tls_got_offset): Removed.
6113 (Symbol::got_offset_): Removed.
6114 (Symbol::tls_mod_got_offset_): Removed.
6115 (Symbol::tls_pair_got_offset_): Removed.
6116 (Symbol::got_offsets_): New field.
6117 (Symbol::has_got_offset): Removed.
6118 (Symbol::has_tls_mod_got_offset): Removed.
6119 (Symbol::has_tls_pair_got_offset): Removed.
6120 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
6121 (Target_x86_64::Scan::local): Updated callers of Output_data_got
6123 (Target_x86_64::Scan::global): Likewise.
6124 (Target_x86_64::Relocate::relocate): Likewise.
6125 (Target_x86_64::Relocate::relocate_tls): Likewise.
6127 2008-03-25 Ben Elliston <bje@au.ibm.com>
6129 * yyscript.y: Fix spelling error in comment.
6131 2008-03-24 Ian Lance Taylor <iant@google.com>
6133 * options.h (class General_options): Define build_id option.
6134 * layout.h (class Layout): Declare write_build_id, create_note,
6135 create_build_id. Add build_id_note_ member.
6136 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
6137 "libiberty.h", "md5.h", "sha1.h".
6138 (Layout::Layout): Initialize eh_frame_data_,
6139 eh_frame_hdr_section_, and build_id_note_.
6140 (Layout::finalize): Call create_build_id.
6141 (Layout::create_note): New function, broken out of
6142 Layout::create_gold_note.
6143 (Layout::create_gold_note): Call create_note.
6144 (Layout::create_build_id): New function.
6145 (Layout::write_build_id): New function.
6146 (Close_task_runner::run): Call write_build_id.
6148 * x86_64.cc: Correct license to GPLv3.
6150 2008-03-23 Ian Lance Taylor <iant@google.com>
6152 * options.cc: Include "demangle.h".
6153 (parse_optional_string): New function.
6154 (parse_long_option): Handle takes_optional_argument.
6155 (parse_short_option): Update dash_z initializer. Handle
6156 takes_optional_argument.
6157 (General_options::General_options): Initialize do_demangle_.
6158 (General_options::finalize): Set do_demangle_. Handle demangling
6160 * options.h (parse_optional_string): Declare.
6161 (struct One_option): Add optional_arg field. Update constructor.
6162 Update call constructor calls. Add takes_optional_argument
6164 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
6165 (DEFINE_optional_string): Define.
6166 (General_options::demangle): Change from DEFINE_bool to
6167 DEFINE_optional_string.
6168 (General_options::no_demangle): New function.
6169 (General_options::do_demangle): New function.
6170 (General_options::set_do_demangle): New function.
6171 (General_options::execstack_status_): Move definition to end of
6173 (General_options::static_): Likewise.
6174 (General_options::do_demangle_): New field.
6175 * object.cc (big_endian>::get_symbol_location_info): Call
6176 Options::do_demangle, not Options::demangle.
6177 * symtab.cc (demangle): Likewise.
6179 2008-03-22 Ian Lance Taylor <iant@google.com>
6181 * gold.h: Include <cstddef> and <sys/types.h>
6182 * options.h: Include <cstring>.
6184 2008-03-21 Ian Lance Taylor <iant@google.com>
6186 * Added source code to GNU binutils.