1 2010-01-10 Doug Kwan <dougkwan@google.com>
3 * options.h (DEFINE_var): Use parentheses around argument varname__
4 in macro body to avoid any unintended subsequent substitutions.
6 2010-01-10 Ian Lance Taylor <iant@google.com>
8 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
9 candidates before doing symbol resolution.
11 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
12 ODR candidates if only one is weak.
14 2010-01-08 Ian Lance Taylor <iant@google.com>
16 * script.cc (Version_script_info::build_expression_list_lookup):
17 Don't warn about ambiguous version, just record the ambiguity.
18 (Version_script_info::get_symbol_version_helper): Give error if
21 2010-01-08 Doug Kwan <dougkwan@google.com>
23 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
24 prev_data_size_ and prev_addralign_. Remove initializer for
25 deleted data member has_been_changed_.
26 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
27 to determine if the table is empty.
28 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
30 (Stub_table::add_reloc_stub): Define method in class definition
31 instead of just declaring it there.
32 (Stub_table::add_cortex_a8_stub): New method definition.
33 (Stub_table::update_data_size_and_addralign): Ditto.
34 (Stub_table::finalize_stubs): Ditto.
35 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
36 (Stub_table::do_addralign_): Return address alignment in the
37 (Stub_table::do_reset_address_and_file_offset): Define method in
38 class definition instead of declaring it there. Set current data
39 size to be the data size of the previous pass.
40 (Stub_table::set_final_data_size): Use current data size as the
42 (Stub_table::relocate_stub): Change parameter type of stub from
43 Reloc_stub pointer to Stub pointer.
44 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
45 (Stub_table::Cortex_a8_stub_list): New typedef.
46 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
47 Stub_table::prev_addralign_): New data member.
48 (Arm_relobj::Arm_relobj): Initialize data member
49 section_has_cortex_a8_workaround_.
50 (Arm_relobj::section_has_cortex_a8_workaround,
51 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
53 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
55 (Target_arm::relocate_stub): Change parameter type of stub from
56 Reloc_stub pointer to Stub pointer.
57 (Insn_template::size, Insn_template::alignment): Handle
59 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
60 Stub_table::update_data_size_and_addralign,
61 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
63 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
64 (Stub_table::do_write): Ditto.
65 (Target_arm::do_relax): Adjust code for changes in Stub_table.
67 2010-01-08 Ian Lance Taylor <iant@google.com>
70 * symtab.h (class Symbol): Remove fields is_target_special_ and
71 has_plt_offset_. Add field is_defined_in_discarded_section_.
72 (Symbol::is_defined_in_discarded_section): New function.
73 (Symbol::set_is_defined_in_discarded_section): New function.
74 (Symbol::has_plt_offset): Rewrite.
75 (Symbol::set_plt_offset): Verify that new offset is not -1U.
76 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
77 Don't initialize is_target_special_ or has_plt_offset_.
78 Initialize is_defined_in_discarded_section_.
79 (Symbol_table::add_from_relobj): If appropriate, set
80 is_defined_in_discarded_section.
81 * resolve.cc (Symbol::override_base_with_special): Don't test
82 is_target_special_. Change has_plt_offset_ to has_plt_offset().
83 * target-reloc.h (relocate_section): Do special handling for
84 symbols defined in discarded sections for global symbols as well
87 2010-01-08 Ian Lance Taylor <iant@google.com>
89 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
92 2010-01-08 Ian Lance Taylor <iant@google.com>
94 * object.cc (Sized_relobj::do_layout): Don't get confused if
95 layout_eh_frame returns NULL.
97 2010-01-08 Ian Lance Taylor <iant@google.com>
100 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
101 dynamic symbol table, use the normal symbol table.
102 (Sized_dynobj::do_read_symbols): Remove assertion about type of
105 2010-01-08 Ian Lance Taylor <iant@google.com>
108 * layout.cc (Layout::include_section): Remove .gnu_debuglink
111 2010-01-08 H.J. Lu <hongjiu.lu@intel.com>
113 * version.cc (print_version): Change to "Copyright 2010".
115 2010-01-08 Ian Lance Taylor <iant@google.com>
119 * i386.cc (class Target_i386): Change return type of plt_section
121 (class Output_data_plt_i386): Add tls_desc_rel_ field.
122 (Output_data_plt_i386::Output_data_plt_i386): Initialize
124 (Output_data_plt_i386::rel_tls_desc): New function.
125 (Target_i386::rel_tls_desc_section): New function.
126 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
127 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
128 R_386_TLS_DESC reloc in rel_tls_desc_section.
129 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
130 Define struct Tlsdesc_info.
131 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
132 (Target_x86_64::do_reloc_symbol_index): New function.
133 (Target_x86_64::add_tlsdesc_info): New function.
134 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
135 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
137 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
139 (Output_data_plt_x86_64::rela_tlsdesc): New function.
140 (Target_x86_64::rela_tlsdesc_section): New function.
141 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
143 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
144 (Target_x86_64::do_reloc_addend): New function.
145 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
146 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
147 declarations. Define TARGET_CODE. Add arg field to u1_ union.
148 (Output_reloc::type): New function.
149 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
150 (Output_reloc::is_target_specific): New function.
151 (Output_reloc::target_arg): New function.
152 (class Output_reloc) [SHT_RELA]: Add four new constructors for
153 absolute relocs and target specific relocs.
154 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
156 (class Output_data_reloc) [SHT_RELA]: Likewise.
157 * output.cc (Output_reloc::Output_reloc): Add four new versions
158 for absolute relocs and target specific relocs.
159 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
160 (Output_reloc::get_symbol_index): Likewise.
161 (Output_reloc::local_section_offset): Check that local_sym_index_
162 is not TARGET_CODE or 0.
163 (Output_reloc::symbol_value): Likewise.
164 (Output_reloc::write) [SHT_RELA]: Call target for target specific
166 * target.h (class Target): Add reloc_symbol_index and reloc_addend
167 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
169 * layout.cc (add_target_dynamic_tags): Use output section for
170 DT_PLTRELSZ and DT_JMPREL.
172 2010-01-07 Ian Lance Taylor <iant@google.com>
175 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
177 (class Output_data_reloc_generic): Define.
178 (class Output_data_reloc_base): Change base class to
179 Output_data_reloc_generic. Change add() method to call
180 bump_relative_reloc_count for a relative reloc. Remove
182 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
184 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
185 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
187 * layout.h (class Layout): Update declaration.
189 2010-01-07 Ian Lance Taylor <iant@google.com>
191 * output.h (class Output_data): Add const version of
192 output_section and do_output_section.
193 (class Output_section_data): Add const version of
195 (class Output_section): Likewise.
196 * layout.cc (Layout::add_target_dynamic_tags): New function.
197 * layout.h (class Layout): Update declarations.
198 * arm.cc (Target_arm::do_finalize_sections): Use
199 add_target_dynamic_tags.
200 * i386.cc (Target_i386::do_finalize_sections): Likewise.
201 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
202 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
203 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
205 2010-01-07 Ian Lance Taylor <iant@google.com>
208 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
211 2010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
212 Ian Lance Taylor <iant@google.com>
215 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
216 Xindex::read_symtab_xindex.
218 2010-01-07 Doug Kwan <dougkwan@google.com>
220 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
221 (Insn_template::thumb16_bcond_insn): New method declaration.
222 (Insn_template): Fix spelling.
223 (Stub::thumb16_special): New method declaration.
224 (Stub::do_write): Define virtual method which was previously pure
226 (Stub::do_thumb16_special): New method declaration.
227 (Stub::do_fixed_endian_write): New template member.
228 (Reloc_stub::do_write): Remove.
229 (Reloc_stub::do_fixed_endian_write): Remove.
230 (Cortex_a8_stub): New class definition.
231 (Stub_factory::make_cortex_a8_stub): New method definition.
232 (Stub_factory::Stub_factory): Add missing static storage class
233 qualifier for elf32_arm_stub_a8_veneer_blx.
235 2010-01-07 Ian Lance Taylor <iant@google.com>
238 * options.h (class General_options): Add --warn-unresolved-symbols
239 and --error-unresolved-symbols.
240 * errors.cc (Errors::undefined_symbol): Implement
241 --warn-unresolved-symbols.
243 * options.h (class General_options): Add -z text and -z textoff.
244 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
246 2010-01-06 Sriraman Tallam <tmsriram@google.com>
248 * gc.h (Garbage_collection::Cident_section_map): New typedef.
249 (Garbage_collection::cident_sections): New function.
250 (Garbage_collection::add_cident_section): New function.
251 (Garbage_collection::cident_sections_): New member.
252 (gc_process_relocs): Add references to sections whose names are C
254 * gold.h (cident_section_start_prefix): New constant.
255 (cident_section_stop_prefix): New constant.
256 (is_cident): New function.
257 * layout.cc (Layout::define_section_symbols): Replace string constants
258 with the newly defined constants.
259 * object.cc (Sized_relobj::do_layout): Track sections whose names are
261 * testsuite/Makefile.am: Add gc_orphan_section_test.
262 * testsuite/Makefile.in: Regenerate.
263 * testsuite/gc_orphan_section_test.cc: New file.
264 * testsuite/gc_orphan_section_test.sh: New file.
266 2010-01-06 Ian Lance Taylor <iant@google.com>
269 * options.h (class General_options): Add --warn-shared-textrel.
270 * layout.cc (Layout::finish_dynamic_section): Implement
271 --warn-shared-textrel.
274 * options.h (class General_options): Add --warn-multiple-gp.
276 2010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
278 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
279 $(THREADSLIB) and $(LIBDL).
280 * Makefile.in: Rebuild.
282 2010-01-06 Ian Lance Taylor <iant@google.com>
285 * options.cc (General_options::parse_section_start): New function.
286 (General_options::section_start): New function.
287 (General_options::General_options): Initialize all members.
288 * options.h: Include <map>
289 (class General_options): Add --section-start. Add section_starts_
291 * layout.cc (Layout::attach_allocated_section_to_segment): If
292 --section-start was used, set the address of the segment. Remove
294 (Layout::relaxation_loop_body): If the address of the load segment
295 has been set by --section-start, don't use it.
296 * output.h (Output_segment::update_flags_for_output_section): New
298 * output.cc (Output_segment::add_output_section): Call
299 update_flags_for_output_section.
301 2010-01-05 Ian Lance Taylor <iant@google.com>
304 * options.h (class General_options): Add --undefined-version.
305 * script.cc (struct Version_expression): Add was_matched_by_symbol
307 (Version_script_info::matched_symbol): New function.
308 (Version_script_info::get_symbol_version_helper): Call
310 (Version_script_info::check_unmatched_names): New function.
311 * script.h (class Version_script_info): Update declarations.
312 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
314 * options.h (class General_options): Use DEFINE_bool_alias for
315 allow_multiple_definition.
316 * resolve.cc (Symbol_table::should_override): Don't test
317 allow_multiple_definition.
320 * options.h (class General_options): Add --cref.
321 * main.cc (main): Print cref table if --cref. Don't close mapfile
322 until after printing cref table.
323 * cref.cc: Include "symtab.h".
324 (class Cref_inputs): Define Cref_table_compare and Cref_table.
325 (Cref_table_compare::operator()): New function.
326 (Cref_inputs::gather_cref): New function.
327 (filecol): New static const.
328 (Cref_inputs::print_cref): New function.
329 (Cref::print_cref): New function.
330 * cref.h: Include <cstdio>.
331 (class Cref): Update declarations.
332 * mapfile.h (Mapfile::file): New function.
333 * object.h (class Object): Define Symbols. Declare virtual
334 do_get_global_symbols.
335 (Object::get_global_symbols): New function.
336 * object.cc (Input_objects::add_object): Pass object to cref_ if
338 (Input_objects::archive_start): Likewise.
339 (Input_objects::archive_stop): Likewise.
340 (Input_objects::print_cref): New function.
341 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
342 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
344 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
346 * plugin.h (class Sized_pluginobj): Update declarations.
348 2010-01-05 Ian Lance Taylor <iant@google.com>
350 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
351 to is_default_version. Rename insdef to insdefault.
352 (Symbol_table::add_from_relobj): Rename def to is_default_version
353 and local to is_forced_local.
354 (Symbol_table::add_from_pluginobj): Likewise.
355 (Symbol_table::add_from_dynobj): Likewise.
356 (Symbol_table::define_special_symbol): Rename insdef to
359 2010-01-04 Ian Lance Taylor <iant@google.com>
362 * options.h (class General_options): Add
363 --allow-multiple-definition and -z muldefs.
364 * resolve.cc (Symbol_table::should_override): Don't warn about a
365 multiple symbol definition if --allow-multiple-definition or -z
369 * options.h (class General_options): Add --add-needed and
370 --copy-dt-needed-entries. Tweak --as-needed help entry.
371 * object.cc (Input_objects::check_dynamic_dependencies): Give an
372 error if --copy-dt-needed-entries aka --add-needed is used and
373 would cause a change in behaviour.
376 * options.h (class General_options): Add -G as a short version of
377 --shared. Add no-op options -assert, -g, and -i.
379 2010-01-04 Sriraman Tallam <tmsriram@google.com>
381 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
382 check for .text or .gnu.linkonce.t sections.
383 * icf.cc (Icf::find_identical_sections): Ditto.
384 Change the detection for mangled function name within the section
386 * icf.h (is_section_foldable_candidate): New function.
388 2009-12-30 Ian Lance Taylor <iant@google.com>
391 * options.h (class General_options): Permit two dashes with
392 --retain-symbols-file.
394 2009-12-30 Ian Lance Taylor <iant@google.com>
397 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
398 don't put the file header and segment headers in the text
402 * common.cc (Sort_commons::operator()): Stabilize sort when both
404 (Symbol_table::do_allocate_commons_list): When allocating common
405 symbols, skip a symbol which is no longer common.
406 * symtab.h (Symbol::is_common): Test whether the symbol comes from
407 an object before checking its type.
408 * testsuite/common_test_2.c: New file.
409 * testsuite/common_test_3.c: New file.
410 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
411 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
412 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
413 (common_test_2_pic.o, common_test_2.so): New targets.
414 (common_test_3_pic.o, common_test_3.so): New targets.
415 * testsuite/Makefile.in: Rebuild.
418 * script.cc (read_input_script): If we see a new SECTIONS clause,
419 and we have added an input section, give an error.
420 * layout.h (class Layout): Add have_added_input_section function.
421 Add have_added_input_section_ field.
422 * layout.cc (Layout::Layout): Initialize
423 have_added_input_section_.
424 (Layout::layout): Set have_added_input_section_.
425 (Layout::layout_eh_frame): Likewise.
427 2009-12-30 Ian Lance Taylor <iant@google.com>
430 * options.h (class General_options): Add --sort-common option.
431 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
432 * common.cc (Sort_common): Add sort_order parameter to
433 constructor. Add sort_order_ field.
434 (Sort_commons::operator): Check sort_order_.
435 (Symbol_table::allocate_commons): Determine the sort order.
436 (Symbol_table::do_allocate_commons): Add sort_order parameter.
438 (Symbol_table::do_allocate_commons_list): Likewise.
440 2009-12-30 Ian Lance Taylor <iant@google.com>
443 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
444 symbols from this object, don't change the visibility of an
446 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
448 2009-12-30 Ian Lance Taylor <iant@google.com>
451 * script.h (class Version_script_info): Define Language enum.
452 Update declarations. Define Glob, Exact, and Lookup types. Add
453 new fields globals_, locals_, and is_finalized_.
454 * script.cc: Various formatting fixes.
455 (class Parser_closure): Change language_stack_ from a vector of
456 std::string to one of Version_script_info::Language. Adjust all
458 (class Lazy_demangler): Remove.
459 (struct Version_expression): Change language from std::string to
460 Version_script_info::Language.
461 (Version_script_info::Version_script_info): New function.
462 (Version_script_info::~Version_script_info): Don't call clear.
463 (Version_script_info::finalize): New function.
464 (Version_script_info::build_lookup_tables): New function.
465 (Version_script_info::build_expression_list_lookup): New
467 (Version_script_info::get_symbol_version_helper): Rewrite to use
469 (Version_script_info::print_expression_list): Adjust to use
470 Version_script_info::Language.
471 (script_push_lex_into_version_mode): Check that the version script
472 has not been finalized.
473 (version_script_push_lang): Change language string to
474 Version_script_info::Language.
475 * options.cc (Command_line::version_script): New function.
476 * options.h (class General_options): Add finalize_dynamic_list
477 function. Change version_script from declaration to definition.
478 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
479 * testsuite/version_script.map: Remove duplicate def of foo.
480 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
482 * testsuite/Makefile.in: Rebuild.
484 2009-12-30 Ian Lance Taylor <iant@google.com>
487 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
488 if the input symbol index is 0, make the output symbol index 0.
490 2009-12-30 Ian Lance Taylor <iant@google.com>
493 * options.h (class General_options): Add -x/--discard-all.
494 * object.cc (Sized_relobj::do_count_local_symbols): Handle
495 --discard-all. If the local symbol needs a dynamic entry, check
496 that before handling --discard-locals.
498 2009-12-30 Ian Lance Taylor <iant@google.com>
501 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
503 (Output_segment::add_output_section): Don't change the flags if
507 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
508 GNU hash table if they need a dynamic value. Otherwise, don't add
509 them if they are defined in a dynamic object or are forced local.
511 2009-12-29 Ian Lance Taylor <iant@google.com>
514 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
515 .gnu.hash table for a 32-bit target.
518 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
519 regular and a dynamic object only needs a dynamic symbol table
520 entry if it is externally visible.
523 * i386.cc (class Target_i386): Initialize global_offset_table_ in
524 constructor. Add global_offset_table_ field.
525 (Target_i386::got_section): Set global_offset_table_.
526 (Target_i386::do_finalize_sections): Set global_offset_table_
528 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
529 in constructor. Add global_offset_table_ field.
530 (Target_x86_64::got_section): Set global_offset_table_.
531 (Target_x86_64::do_finalize_sections): Set global_offset_table_
534 * layout.cc (Layout::Layout): Initialize increase_relro_.
535 (Layout::get_output_section): Add is_relro, is_last_relro, and
536 is_first_non_relro parameters. Change all callers.
537 (Layout::choose_output_section): Likewise.
538 (Layout::add_output_section_data): Likewise.
539 (Layout::make_output_section): Likewise.
540 (Layout::set_segment_offsets): Clear increase_relro when using a
542 * layout.h (class Layout): Add increase_relro method. Add
543 increase_relro_ field. Update declarations.
544 * output.cc (Output_section::Output_section): Initialize
545 is_last_relro_ and is_first_non_relro_.
546 (Output_segment::add_output_section): Group relro sections is
547 do_sort is true. Handle is_last_relro and is_first_non_relro.
548 (Output_segment::maximum_alignment): Remove relro handling.
549 (Output_segment::set_section_addresses): Add increase_relro
550 parameter. Change all callers. Add initial alignment to align
551 relro sections on separate page. Remove old relro handling.
552 (Output_segment::set_section_list_addresses): Remove in_relro
553 parameter. Change all callers.
554 (Output_segment::set_offset): Add increase parameter. Change all
555 callers. Remove old relro handling.
556 * output.h (class Output_section): Add new methods: is_last_relro,
557 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
558 Add is_last_relro_ and is_first_non_relro_ fields.
559 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
560 Create separate .got.plt section. Call increase_relro.
561 * x86_64.cc (Target_x86_64::got_section): Likewise.
562 * testsuite/relro_script_test.t: Add .got.plt.
565 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
566 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
567 (Layout::finalize): Call set_dynamic_symbol_size.
568 (Layout::set_dynamic_symbol_size): New function.
569 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
570 set_dynamic_symbol_size.
573 * output.h (class Output_section): Add is_entsize_zero_ field.
574 * output.cc (Output_section::Output_section): Initialize
576 (Output_section::set_entsize): If two different entsizes are
577 requested, force it to zero.
578 (Output_section::add_input_section): Set flags for .debug_str
579 before updating section flags. Set entsize.
580 (Output_section::update_flags_for_input_section): Set SHF_MERGE
581 and SHF_STRING if all input sections have those flags.
583 2009-12-29 Rafael Espindola <espindola@google.com>
585 * main.cc (main): Fix the sys time reporting.
586 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
589 2009-12-29 Sriraman Tallam <tmsriram@google.com>
591 * options.cc (General_options::parse_version): Allow -v to exit
592 without an error if there is nothing to link.
594 2009-12-29 Ian Lance Taylor <iant@google.com>
596 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
597 using a version of gcc before 4.1.
598 * configure: Rebuild.
600 2009-12-28 Chris Demetriou <cgd@google.com>
602 * attributes.cc (Output_attributes_section_data::do_write): Use
603 std::vector::front rather than std::vector::data.
605 2009-12-28 Ian Lance Taylor <iant@google.com>
607 * symtab.h (class Symbol_table): Add enum Defined.
608 * resolve.cc (Symbol_table::should_override): Add defined
609 parameter. Change all callers. Test whether object is NULL
610 before calling a method on it.
611 (Symbol_table::report_resolve_problem): Add defined parameter.
613 (Symbol_table::should_override_with_special): Likewise.
614 * symtab.cc (Symbol_table::define_in_output_data): Add defined
615 parameter. Change all callers.
616 (Symbol_table::do_define_in_output_data): Likewise.
617 (Symbol_table::define_in_output_segment): Likewise.
618 (Symbol_table::do_define_in_output_segment): Likewise.
619 (Symbol_table::define_as_constant): Likewise.
620 (Symbol_table::do_define_as_constant): Likewise.
621 * script.h (class Symbol_assignment): Add is_defsym parameter to
622 constructor; change all callers.
623 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
624 parameter. Change all callers. Add is_defsym_ field.
625 (class Parser_closure): Add parsing_defsym parameter to
626 constructor; change all callers. Add parsing_defsym accessor
627 function. Add parsing_defsym_ field.
629 2009-12-28 Ian Lance Taylor <iant@google.com>
631 * gold.cc (queue_middle_tasks): Fix formatting.
632 * object.cc (Relobj::is_section_name_included): Likewise.
634 2009-12-23 Ian Lance Taylor <iant@google.com>
636 * i386.cc (Target_i386::do_calls_non_split): Recognize
637 -fsplit-stack prologue for a function with a static chain.
638 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
639 -fsplit-stack prologue when using %r11.
641 2009-12-21 Sriraman Tallam <tmsriram@google.com>
643 * options.cc (General_options::parse_version): Make -v continue and do
644 the link like GNU ld does.
646 2009-12-17 Rafael Avila de Espindola <espindola@google.com>
648 * Makefile.am (CCFILES): Add timer.cc.
649 (HFILES): Add timer.h.
650 * configure.ac: Check for sysconf and times.
651 * main.cc: include timer.h.
652 (main): Use Timer instead of get_run_time.
655 * workqueue.cc: include timer.h.
656 (Workqueue::find_and_run_task):
657 Report user, sys and wall time.
658 * Makefile.in: Regenerate.
659 * config.in: Regenerate.
660 * configure: Regenerate.
662 2009-12-16 Doug Kwan <dougkwan@google.com>
664 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
666 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
667 relaxed input sections.
668 * output.cc (Output_section::find_relaxed_input_section): Change
669 return type to Output_relaxed_input_section pointer. Adjust code
670 for new type of relaxed_input_section_map_.
671 * output.h (Output_section::find_relaxed_input_section): Change
672 return type to Output_relaxed_input_section pointer.
673 (Output_section::Output_relaxed_input_section_by_input_section_map):
675 (Output_section::relaxed_input_section_map_): Change type to
676 Output_section::Output_relaxed_input_section_by_input_section_map.
677 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
680 2009-12-15 Ian Lance Taylor <iant@google.com>
682 * layout.cc (Layout::create_shstrtab): Only write out after input
683 sections if we are compressing debug sections.
685 2009-12-15 Ian Lance Taylor <iant@google.com>
687 * archive.cc (Archive::add_symbols): Only look up a symbol without
688 a version if there is, in fact, a version.
690 2009-12-14 Ian Lance Taylor <iant@google.com>
692 Revert -Wshadow changes, all changes from:
693 2009-12-11 Doug Kwan <dougkwan@google.com>
694 2009-12-11 Nick Clifton <nickc@redhat.com>
695 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
697 2009-12-11 Doug Kwan <dougkwan@google.com>
699 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
701 * attributes.cc (Object_attribute::size): Ditto.
702 (Attributes_section_data::size): Ditto.
703 (Attributes_section_data::Attributes_section_data): Ditto.
704 (Output_attributes_section_data::do_write): Ditto.
705 * attributes.h (Object_attribute::set_type): Ditto.
706 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
708 2009-12-11 Nick Clifton <nickc@redhat.com>
710 * archive.cc: Fix shadowed variable warnings.
712 * compressed_output.cc: Likewise.
713 * compressed_output.h: Likewise.
714 * configure: Likewise.
715 * dwarf_reader.cc: Likewise.
716 * dynobj.cc: Likewise.
717 * dynobj.h: Likewise.
718 * ehframe.cc: Likewise.
719 * ehframe.h: Likewise.
720 * errors.cc: Likewise.
721 * expression.cc: Likewise.
722 * fileread.cc: Likewise.
723 * fileread.h: Likewise.
724 * freebsd.h: Likewise.
727 * incremental.h: Likewise.
728 * layout.cc: Likewise.
729 * layout.h: Likewise.
730 * mapfile.cc: Likewise.
731 * merge.cc: Likewise.
733 * object.cc: Likewise.
734 * object.h: Likewise.
735 * options.h: Likewise.
736 * output.cc: Likewise.
737 * output.h: Likewise.
738 * parameters.cc: Likewise.
739 * plugin.cc: Likewise.
740 * powerpc.cc: Likewise.
741 * reduced_debug_output.cc: Likewise.
742 * reduced_debug_output.h: Likewise.
743 * reloc.cc: Likewise.
745 * resolve.cc: Likewise.
746 * script-sections.cc: Likewise.
747 * script.cc: Likewise.
748 * script.h: Likewise.
749 * sparc.cc: Likewise.
750 * symtab.cc: Likewise.
751 * symtab.h: Likewise.
752 * target-select.cc: Likewise.
753 * target-select.h: Likewise.
755 * workqueue.cc: Likewise.
756 * workqueue.h: Likewise.
757 * x86_64.cc: Likewise.
759 2009-12-10 Doug Kwan <dougkwan@google.com>
761 * arm.cc (attributes.h): New include.
762 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
763 (Arm_relobj::~Arm_relobj): Delete object pointed by
764 attributes_section_data_.
765 (Arm_relobj::attributes_section_data): New method definition.
766 (Arm_relobj::attributes_section_data_): New data member declaration.
767 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
768 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
769 attributes_section_data_.
770 (Arm_dynobj::attributes_section_data): New method definition.
771 (Arm_dynobj::attributes_section_data_): New data member declaration.
772 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
773 initialization value of may_use_blx_ to false.
774 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
775 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
776 object attributes to compute results instead of hard-coding.
777 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
778 Target_arm::get_secondary_compatible_arch,
779 Target_arm::set_secondary_compatible_arch
780 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
781 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
782 New method declarations.
783 (Target_arm::get_aeabi_object_attribute): New method definition.
784 (Target_arm::attributes_section_data_): New data member declaration.
785 (read_arm_attributes_section): New template definition.
786 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
787 (Arm_dynobj::do_read_symbols): Ditto.
788 (Target_arm::do_finalize_sections): Merge attributes sections from
789 input. Check for BLX use after attributes section merging.
790 Fix __exidx_start and __exidx_end visibility. Create an
791 .ARM.attributes section if necessary.
792 (Target_arm::get_secondary_compatible_arch,
793 Target_arm::set_secondary_compatible_arch,
794 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
795 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
796 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
797 New method definitions.
799 2009-12-09 Ian Lance Taylor <iant@google.com>
801 * plugin.cc (Plugin::load): Don't cast from void* to a function
804 2009-12-09 Ian Lance Taylor <iant@google.com>
806 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
809 2009-12-09 H.J. Lu <hongjiu.lu@intel.com>
811 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
812 Replace two_file_shared_1.so with two_file_shared_2.so.
813 * testsuite/Makefile.in: Regenerated.
815 2009-12-08 Doug Kwan <dougkwan@google.com>
817 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
818 (HFILES): Add attributes.h and int_encoding.h.
819 * Makefile.in: Regenerate.
820 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
821 function definitions to int_encoding.cc
822 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
823 prototypes to int_encoding.h
824 * reduced_debug_output.cc (int_encoding.h): New include.
825 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
826 function definitions to int_encoding.cc
827 (insert_into_vector, read_from_pointer): Move template definitions to
829 * attributes.cc: New file.
830 * attributes.h: New file.
831 * int_encoding.cc: New file.
832 * int_encoding.h: New file.
834 2009-12-07 Rafael Avila de Espindola <espindola@google.com>
837 * incremental-dump.cc (dump_incremental_inputs): New.
838 (main): Use dump_incremental_inputs.
840 2009-12-07 H.J. Lu <hongjiu.lu@intel.com>
843 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
844 checking elfcpp::STT_FUNC.
845 (Target_i386::Relocate::relocate): Likewise.
846 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
848 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
849 symbols from shared libraries into normal FUNC symbols.
851 * symtab.h (Symbol): Add is_func and use it.
853 2009-12-05 Doug Kwan <dougkwan@google.com>
855 * arm.cc (Target_arm::arm_info): Initialize new fields
856 attributes_section and attributes_vendor.
857 * i386.cc (Target_i386::i386_info): Same.
858 * object.cc (Sized_relobj::do_layout): Skip attribute section.
859 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
860 fields attributes_section and attributes_vendor.
861 * sparc.cc (Target_sparc::sparc_info): Same.
862 * target.h (Target::attributes_section, Target::attributes_vendor,
863 Target::is_attributes_section, Target::attribute_arg_type,
864 Target::attributes_order): New method definitions.
865 (Target::Target_info::attributes_section,
866 Target::Target_info::attributes_vendor): New fields.
867 (Target::do_attribute_arg_type, Target::do_attributes_order): New
868 virtual method definitions.
869 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
870 attributes_section and attributes_vendor.
871 * testsuite/testfile.cc (Target_test::test_target_info): Same.
873 2009-12-05 Doug Kwan <dougkwan@google.com>
875 * arm.cc: Update comments about interworking and stub generation.
876 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
877 considered as non-PIC.
878 (Arm_relocate_functions::base_abs): Fix formatting.
879 (Arm_relocate_functions::got_prel): Fix comment. Change interface
880 of function to use GOT entry address instead of offset.
881 (Target_arm::Scan::global): Issue an error if a symbol would need a
882 PLT does not get one because it is untyped. Remove code to create
883 dynamic symbols for relative branches.
884 (Target_arm::Relocate::relocate: Use 0 instead of false since function
885 takes unsigned integer instead of boolean.
887 2009-12-05 H.J. Lu <hongjiu.lu@intel.com>
889 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
890 (two_file_test_LDADD): Likewise.
891 (common_test_1_LDADD): Likewise.
892 (exception_test_LDADD) Likewise.
893 (weak_test_LDADD): Likewise.
894 (many_sections_test_LDADD): Likewise.
895 (initpri1_LDADD): Likewise.
896 (script_test_1_LDADD): Likewise.
897 (script_test_2_LDADD): Likewise.
898 (justsyms_LDADD): Likewise.
899 (binary_test_LDADD): Likewise.
900 (large_LDADD): Likewise.
901 * testsuite/Makefile.in: Regenerated.
903 2009-12-04 H.J. Lu <hongjiu.lu@intel.com>
905 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
906 (Symbol_table::override_with_special): Likewise.
907 (Symbol_table::add_from_object): Likewise.
909 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
911 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
912 Don't set the data_offset twice.
914 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
916 * testsuite/Makefile.in: Regenerate.
918 2009-12-03 Doug Kwan <dougkwan@google.com>
920 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
921 (Target_arm::do_finalize_sections): Add parameter for symbol table
922 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
923 * i386.cc (Target_i386::do_finalize_sections): Add an additional
924 parameter for symbol table pointer.
925 * layout.cc (Layout::finalize): Call Target::finalize_sections with
926 an additional parameter for a pointer to symbol table.
927 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
928 parameter for a symbol table pointer.
929 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
930 * target.h (Target::finalize_sections, Target::do_finalize_sections):
932 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
933 parameter for a symbol table pointer.
935 2009-12-03 Rafael Avila de Espindola <espindola@google.com>
937 * incremental.cc (Incremental_inputs_header)
938 (Incremental_inputs_header_write, Incremental_inputs_entry)
939 (Incremental_inputs_entry_write): Move ...
940 * incremental.h (Incremental_inputs_header)
941 (Incremental_inputs_header_write, Incremental_inputs_entry)
942 (Incremental_inputs_entry_write): here.
944 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
946 * incremental.cc (make_sized_incremental_binary): Set the target.
947 Error if it is incompatible.
948 * output.h (Output_file): Add filename method.
950 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
952 * incremental.cc (Incremental_inputs_entry): Remove unused argument
953 from the get_* methods.
955 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
957 * incremental-dump.cc (main): Check that the offeset of a script is 0.
958 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
959 Write 0 for the data_offset of scripts.
961 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
963 * testsuite/Makefile.am: Add the incremental_test.sh test.
964 * testsuite/incremental_test.sh: New.
965 * testsuite/incremental_test_1.c: New.
966 * testsuite/incremental_test_2.c: New.
968 2009-12-01 Rafael Avila de Espindola <espindola@google.com>
970 * incremental-dump.cc (main): Fix typos.
972 2009-11-27 Rafael Avila de Espindola <espindola@google.com>
975 * incremental-dump.cc (main): Use llu to print 64 bit values.
977 2009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
978 H.J. Lu <hongjiu.lu@intel.com>
980 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
982 (incremental_dump_LDADD): Likewise.
983 * Makefile.in: Regenerated.
985 2009-11-25 Doug Kwan <dougkwan@google.com>
989 2009-11-25 Doug Kwan <dougkwan@google.com>
991 * arm.cc (Target_arm::Target_arm): Move method definition
992 outside of class definition. Add code to handle
993 --target1-rel, --target1-abs and --target2= options.
994 (Target_arm::get_reloc_reloc_type): Change method to be
995 non-static and const.
996 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
997 New data member declaration.
998 (Target_arm::Scan::local, Target_arm::Scan::global,
999 Target_arm::Relocate::relocate,
1000 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1001 Adjust call to Target_arm::get_real_reloc_type.
1002 (Target_arm::get_real_reloc_type): Use command line options
1003 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1004 * options.h (--target1-rel, --target1-abs, --target2): New
1007 2009-11-25 Doug Kwan <dougkwan@google.com>
1009 * arm.cc (Target_arm::Target_arm): Move method definition outside of
1010 class definition. Add code to handle --target1-rel, --target1-abs
1011 and --target2= options.
1012 (Target_arm::get_reloc_reloc_type): Change method to be non-static
1014 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1016 (Target_arm::Scan::local, Target_arm::Scan::global,
1017 Target_arm::Relocate::relocate,
1018 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1019 call to Target_arm::get_real_reloc_type.
1020 (Target_arm::get_real_reloc_type): Use command line options to
1021 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1022 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1025 2009-11-25 Doug Kwan <dougkwan@google.com>
1027 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1028 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1029 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1031 (Arm_relocate_functions::thm_call): Replace body with a call to
1032 Arm_relocate_functions::thumb_branch_common.
1033 (Arm_relocate_functions::thm_jump24,
1034 Arm_relocate_functions::thm_xpc22): New method definitions.
1035 (Arm_relocate_functions::thumb_branch_common): New method definition.
1036 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1038 (Target_arm::Relocate::relocate): Adjust call to thm_call.
1039 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1041 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1043 * Makefile.am: Build incremental-dump
1044 * Makefile.in: Regenerate.
1045 * incremental-dump.cc: New.
1046 * incremental.cc (Incremental_inputs_header_data,
1047 Incremental_inputs_entry_data): Move to incremental.h
1048 * incremental.h: (Incremental_inputs_header_data,
1049 Incremental_inputs_entry_data): Move from incremental.cc
1051 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1053 * incremental.cc (Incremental_inputs_header,
1054 Incremental_inputs_header_write, Incremental_inputs_entry,
1055 Incremental_inputs_entry_write): Add a typedef with the data type.
1057 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1059 * incremental.cc (Incremental_inputs_header,
1060 Incremental_inputs_header_write, Incremental_inputs_entry,
1061 Incremental_inputs_entry_write): Update comment about which
1062 type has the filed descriptions.
1064 2009-11-15 Doug Kwan <dougkwan@google.com>
1066 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1067 (Arm_relocate_functions::arm_branch_common): Change method defintion
1068 in class definition to a method declaration and update list of formal
1070 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1071 Arm_relocation_functions::jump24): Adjust call to
1072 Arm_relocate_functions::arm_branch_common. Update list of formal
1074 (Arm_relocate_functions::xpc25): New method definition.
1075 (Arm_relocate_functions::arm_branch_common): Move method defintion
1076 out from class definition. Use stubs for mode-switching and extending
1078 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
1079 specially. Change code to enable use of stubs in ARM branches.
1081 2009-11-10 Doug Kwan <dougkwan@google.com>
1083 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
1084 in method declaration.
1085 (Target_arm::relocate_stub): New method declaration.
1086 (Target_arm::default_target): Change to return a pointer instead of
1088 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
1089 Target_arm::default_target.
1090 (Arm_Relobj::do_relocate_sections): Remove options paramater in
1092 (Target_arm::relocate_section): Adjust view.
1093 (Target_arm::relocate_stub): New method definition.
1095 2009-11-10 Doug Kwan <dougkwan@google.com>
1097 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
1099 * incremental.cc (open_incremental_binary): Initialized local
1100 variables to avoid warnings.
1101 * object.cc (make_elf_object): Ditto.
1102 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
1105 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
1108 * testsuite/plugin_test.c: Include "config.h".
1110 2009-11-09 Doug Kwan <dougkwan@google.com>
1112 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
1113 (arm_symbol_value): Remove.
1114 (Arm_relocate_functions::arm_branch_common,
1115 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
1116 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
1117 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
1118 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
1119 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
1120 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
1121 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
1122 Arm_relocate_functions::thm_mobw_abs_nc,
1123 Arm_relocate_functions::thm_mov_abs,
1124 Arm_relocate_functions::movw_prel_nc,
1125 Arm_relocate_functions::thm_movt_abs,
1126 Arm_relocate_functions::movt_prel,
1127 Arm_relocate_functions::thm_movw_prel_nc,
1128 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
1129 (Target_arm::Relocate::relocate): Only decompose address into two
1130 parts if relocation type uses the thumb-bit and pass the actual
1131 bit instead of a flag indicating that the thumb-bit is used. Adjust
1132 calls to methods in Arm_relocate_functions for this change.
1134 2009-11-08 Ian Lance Taylor <iant@google.com>
1137 * reloc.cc: Instantiate
1138 Sized_relobj::initialize_input_to_output_maps and
1139 Sized_relobj:free_input_to_output_maps.
1141 2009-11-06 Ian Lance Taylor <iant@google.com>
1144 * defstd.cc (in_segment): Set only_if_ref true for "end".
1146 2009-11-06 Doug Kwan <dougkwan@google.com>
1148 * arm.cc (class Reloc_stub): Correct a comment.
1149 (Target_arm::Target_arm): Initialize arm_input_section_map_.
1150 (Target_arm::scan_section_for_stubs): New method declaration.
1151 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
1152 Change methods from private to protected.
1153 (Target_arm::do_may_relax): New method definition.
1154 (Target_arm::do_relax, Target_arm::group_sections,
1155 Target_arm::scan_reloc_for_stub,
1156 Target_arm::scan_reloc_section_for_stubs): New method declarations.
1157 (Target_arm::arm_input_section_map_): New data member declaration.
1158 (Target_arm::scan_reloc_for_stub,
1159 Target_arm::scan_reloc_section_for_stubs,
1160 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
1161 Target_arm::do_relax): New method definitions.
1163 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
1165 * configure.ac: Check for (struct stat)::st_mtim
1166 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
1167 * config.in: Regenerate.
1168 * configure: Regenerate.
1170 2009-11-05 Ian Lance Taylor <iant@google.com>
1173 * output.cc (Output_segment::add_output_section): Add missing
1176 2009-11-04 Ian Lance Taylor <iant@google.com>
1179 * object.h (class Object): Add is_needed and set_is_needed
1180 methods. Add is_needed_ field. Make bool fields into bitfields.
1181 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
1182 defined in a dynamic object and referenced by a regular object,
1183 set is_needed for the dynamic object.
1184 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
1185 if the file is marked with as_needed and it is not needed.
1187 2009-11-04 Ian Lance Taylor <iant@google.com>
1190 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
1191 tags if data is discarded by linker script.
1192 * i386.cc (Target_i386::do_finalize_sections): Likewise.
1193 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1194 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1195 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1197 2009-11-04 Ian Lance Taylor <iant@google.com>
1199 * layout.cc (Layout::get_output_section): Add is_interp and
1200 is_dynamic_linker_section parameters. Change all callers.
1201 (Layout::choose_output_section): Likewise.
1202 (Layout::make_output_section): Likewise.
1203 (Layout::add_output_section_data): Add is_dynamic_linker_section
1204 parameter. Change all callers.
1205 * layout.h (class Layout): Update declarations.
1206 * output.h (class Output_section): Add is_interp, set_is_interp,
1207 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1208 Add is_interp_, is_dynamic_linker_section_ fields. Change
1209 generate_code_fills_at_write_ to a bitfield.
1210 * output.cc (Output_section::Output_sections): Initialize new
1212 (Output_segment::add_output_section): Add do_sort parameter.
1215 2009-11-03 Ian Lance Taylor <iant@google.com>
1218 * options.h (class General_options): Add --warn-common.
1219 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1220 merging two common symbols.
1221 (Symbol_table::should_override): Handle --warn-common when merging
1222 a common symbol with a defined symbol. Use report_resolve_problem
1223 for multiple definitions.
1224 (Symbol_table::report_resolve_problem): New function.
1225 * symtab.h (class Symbol_table): Declare report_resolve_problem.
1227 2009-11-03 Doug Kwan <dougkwan@google.com>
1229 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1231 (Target_arm::stub_factory): New method definition.
1232 (Target_arm::new_arm_input_section,
1233 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1234 Target_arm::reloc_uses_thumb_bit): New method declarations.
1235 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
1236 New type definitions.
1237 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1238 member declarations.
1239 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1240 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1241 New method definitions.
1243 2009-11-03 Ian Lance Taylor <iant@google.com>
1245 * options.h (class General_options): Add --warn_constructors.
1247 2009-11-03 Ian Lance Taylor <iant@google.com>
1250 * defstd.cc (in_section): Add entries for __rel_iplt_start,
1251 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1253 2009-11-03 Ian Lance Taylor <iant@google.com>
1256 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1257 --msgid-bugs-address.
1258 (install-pdf): New target.
1259 (install-data_yes): Look up one directory to find mkinstalldirs.
1261 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
1263 * po/Make-in (.po.gmo): Don't generate .gmo files in source
1266 2009-10-30 Doug Kwan <dougkwan@google.com>
1268 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1270 2009-10-30 Doug Kwan <dougkwan@google.com>
1272 * arm.cc (Stub_addend_reader): New struct template definition
1273 and partial specializations.
1274 (Stub_addend_reader::operator()): New method definition for a
1275 partially specialized template.
1277 2009-10-30 Doug Kwan <dougkwan@google.com>
1279 * arm.cc (Arm_relobj::processor_specific_flags): New method
1281 (Arm_relobj::do_read_symbols): New method declaration.
1282 (Arm_relobj::processor_specific_flags_): New data member declaration.
1283 (Arm_dynobj): New class definition.
1284 (Target_arm::do_finalize_sections): Add input_objects parameter.
1285 (Target_arm::do_adjust_elf_header): New method declaration.
1286 (Target_arm::are_eabi_versions_compatible,
1287 (Target_arm::merge_processor_specific_flags): New method declaration.
1288 (Target_arm::do_make_elf_object): New overloaded method definitions
1290 (Arm_relobj::do_read_symbols): New method definition.
1291 (Arm_dynobj::do_read_symbols): Ditto.
1292 (Target_arm::do_finalize_sections): Add input_objects parameters.
1293 Merge processor-specific flags from all input objects.
1294 (Target_arm::are_eabi_versions_compatible,
1295 Target_arm::merge_processor_specific_flags,
1296 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1297 New method definitions.
1298 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1299 Input_objects pointer type parameter.
1300 * layout.cc (Layout::finalize): Pass input objects to target's.
1301 finalize_sections function.
1302 * output.cc (Output_file_header::do_sized_write): Set ELF file
1303 header's processor-specific flags.
1304 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1305 Input_objects pointer type parameter.
1306 * sparc.cc (Target_sparc::do_finalize_sections): Same.
1307 * target.h (Input_objects): New forward class declaration.
1308 (Target::processor_specific_flags,
1309 Target::are_processor_specific_flags_sect): New method definitions.
1310 (Target::finalize_sections): Add input_objects parameter.
1311 (Target::Target): Initialize processor_specific_flags_ and
1312 are_processor_specific_flags_set_.
1313 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1315 (Target::set_processor_specific_flags): New method definition.
1316 (Target::processor_specific_flags_,
1317 Target::are_processor_specific_flags_set_): New data member
1319 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1320 Input_objects pointer type parameter.
1322 2009-10-30 Doug Kwan <dougkwan@google.com>
1324 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1326 2009-10-28 Ian Lance Taylor <iant@google.com>
1328 * object.h (class Relobj): Drop options parameter from
1329 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1330 do_scan_relocs, do_relocate. Change all callers.
1331 (class Sized_relobj): Drop options parameters from
1332 do_gc_process_relocs, do_scan_relocs, do_relocate,
1333 do_relocate_sections, relocate_sections, emit_relocs_scan,
1334 emit_relocs_scan_reltype. Change all callers.
1335 (struct Relocate_info): Remove options field and all references to
1337 * reloc.h (class Read_relocs): Remove options constructor
1338 parameter and options_ field. Change all callers.
1339 (class Gc_process_relocs, class Scan_relocs): Likewise.
1340 (class Relocate_task): Likewise.
1341 * target-reloc.h (scan_relocs): Remove options parameter. Change
1343 (scan_relocatable_relocs): Likewise.
1344 * target.h (class Sized_target): Remove options parameter from
1345 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
1347 * gc.h (gc_process_relocs): Remove options parameter. Change all
1349 * arm.cc: Update functions to remove options parameters.
1350 * i386.cc: Likewise.
1351 * powerpc.cc: Likewise.
1352 * sparc.cc: Likewise.
1353 * x86_64.cc: Likewise.
1354 * testsuite/testfile.cc: Likewise.
1356 2009-10-28 Doug Kwan <dougkwan@google.com>
1358 * arm.cc (Arm_relobj): New class definition.
1359 (Arm_relobj::scan_sections_for_stubs,
1360 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1361 New method definitions.
1363 2009-10-28 Cary Coutant <ccoutant@google.com>
1365 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1366 (Plugin::cleanup_done_): New member.
1367 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1368 (Plugin_manager::cleanup_done_): Remove.
1369 (Plugin_manager::add_input_file): Edit error message.
1370 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1371 (Plugin_manager::cleanup): Remove use of cleanup_done_.
1373 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
1375 * fileread.cc: (File_read::View::~View): Use the new
1376 data_ownership_ filed.
1377 (File_read::~File_read): Dispose the new whole_file_view_.
1378 (File_read::open): Mmap the whole file if needed.
1379 (File_read::open): Use whole_file_view_ instead of contents_.
1380 (File_read::find_view): Use whole_file_view_ if applicable.
1381 (File_read::do_read): Use whole_file_view_ instead of contents_.
1382 (File_read::make_view): Use whole_file_view_ instead of contents_,
1383 update File_read::View::View call.
1384 (File_read::find_or_make_view): Update File_read::View::View
1386 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1388 (File_read::View::Data_ownership): New enum.
1389 (File_read::View::View): Replace bool mapped_ with Data_ownership
1391 (File_read::View::mapped_): Remove (replaced by data_ownership_).
1392 (File_read::View::data_ownership_): New field.
1393 (File_read::contents_): Remove (replaced by whole_file_view_).
1394 (File_read::whole_file_view_): New field.
1395 * options.h (class General_options): Add --keep-files-mapped.
1397 2009-10-27 Cary Coutant <ccoutant@google.com>
1399 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1400 * testsuite/Makefile.am (plugin_test_5): New test case.
1401 * testsuite/Makefile.in: Regenerate.
1403 2009-10-25 Doug Kwan <dougkwan@google.com>
1405 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1406 from private to protected to allow access by child class.
1407 (Sized_relobj::do_relocate_sections): New method declaration.
1408 (Sized_relobj::relocate_sections): Virtualize.
1409 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1410 Sized_relobj::relocate_sections. Instantiate template explicitly
1411 for different target sizes and endianity.
1413 2009-10-24 Doug Kwan <dougkwan@google.com>
1415 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1416 (Arm_input_section::as_arm_input_section): New method.
1417 (Arm_output_section): New class definition.
1418 (Arm_output_section::create_stub_group,
1419 Arm_output_section::group_sections): New method definitions.
1421 2009-10-22 Doug Kwan <dougkwan@google.com>
1423 * arm.cc (Arm_input_section): New class definition.
1424 (Arm_input_section::init, Arm_input_section:do_write,
1425 Arm_input_section::set_final_data_size,
1426 Arm_input_section::do_reset_address_and_file_offset): New method
1429 2009-10-21 Doug Kwan <dougkwan@google.com>
1431 * arm.cc (Stub_table, Arm_input_section): New forward class
1433 (Stub_table): New class defintion.
1434 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1435 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1436 New method definition.
1438 2009-10-21 Doug Kwan <dougkwan@google.com>
1440 * arm.cc: Update copyright comments.
1441 (Target_arm): New forward class template declaration.
1442 (Arm_address): New type.
1443 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1444 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1445 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1447 (Insn_template): Same.
1448 (DEF_STUBS): New macro.
1449 (Stub_type): New enum type.
1450 (Stub_template): New class definition.
1453 (Stub_factory): Same.
1454 (Target_arm::Target_arm): Initialize may_use_blx_ and
1455 should_force_pic_veneer_.
1456 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1457 Target_arm::should_force_pic_veneer,
1458 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1459 Target_arm::using_thumb_only, Target_arm:;default_target): New
1461 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1462 New data member declarations.
1463 (Insn_template::size, Insn_template::alignment): New method defintions.
1464 (Stub_template::Stub_template): New method definition.
1465 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1466 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1467 (Stub_factory::Stub_factory): New method definition.
1468 * gold.h (string_hash): New template.
1469 * output.h (Input_section_specifier::hash_value): Use
1471 (Input_section_specifier::string_hash): Remove.
1472 * stringpool.cc (Stringpool_template::string_hash): Use
1475 2009-10-20 Doug Kwan <dougkwan@google.com>
1477 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1478 symbols of relaxed input sections.
1479 * output.h (Output_section::find_relaxed_input_section): Make
1482 2009-10-16 Doug Kwan <dougkwan@google.com>
1484 * dynobj.cc (Versions::Versions): Initialize version_script_.
1485 Only insert base version symbol definition for a shared object
1486 if version script defines any version versions.
1487 (Versions::define_base_version): New method definition.
1488 (Versions::add_def): Check that base version is not needed.
1489 (Versions::add_need): Define base version lazily.
1490 * dynobj.h (Versions::define_base_version): New method declaration.
1491 (Versions::needs_base_version_): New data member declaration.
1492 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1493 (check_DATA): Add no_version_test.stdout.
1494 (libno_version_test.so, no_version_test.o no_version_test.stdout):
1496 * testsuite/Makefile.in: Regenerate.
1497 * testsuite/no_version_test.c: New file.
1498 * testsuite/no_version_test.sh: Ditto.
1500 2009-10-16 Doug Kwan <dougkwan@google.com>
1502 * expression.cc (class Segment_start_expression): New class definition.
1503 (Segment_start_expression::value): New method definition.
1504 (script_exp_function_segment_start): Return a new
1505 Segment_start_expression.
1506 * gold/script-c.h (script_saw_segment_start_expression): New function
1508 * script-sections.cc (Script_sections::Script_sections): Initialize
1509 SAW_SEGMENT_START_EXPRESSION_ to false.
1510 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1511 and -Tbbs options to specify section addresses if given in
1512 command line and no SEGMENT_START expression is seen in a script.
1513 * script-sections.h (Script_sections::saw_segment_start_expression,
1514 Script_sections::set_saw_segment_start_expression): New method
1516 (Script_sections::saw_segment_start_expression_): New data member
1518 * script.cc (script_saw_segment_start_expression): New function.
1519 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1520 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1521 script_test_7.sh and script_test_8.sh.
1522 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1523 script_test_8.stdout.
1524 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1525 (script_test_6, script_test_6.stdout, script_test_7,
1526 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1527 * Makefile.in: Regenerate.
1528 * testsuite/script_test_6.sh: New file.
1529 * testsuite/script_test_6.t: Same.
1530 * testsuite/script_test_7.sh: Same.
1531 * testsuite/script_test_7.t: Same.
1532 * testsuite/script_test_8.sh: Same.
1534 2009-10-16 Doug Kwan <dougkwan@google.com>
1536 * output.cc (Output_segment::set_section_list_address): Cast
1537 expressions to unsigned long long type to avoid format warnings.
1539 2009-10-15 Ian Lance Taylor <iant@google.com>
1541 * script.cc (Script_options::add_symbol_assignment): Always add a
1542 dot assignment to script_sections_.
1543 * script-sections.cc (Script_sections::add_dot_assignment):
1544 Initialize if necessary.
1546 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1547 program headers with no load segment if there is a linker script.
1549 * layout.cc (Layout::set_segment_offsets): Align the file offset
1550 to the segment aligment for -N or -n with no load segment.
1551 * output.cc (Output_segment::add_output_section): Don't crash if
1552 the first section is a TLS section.
1553 (Output_segment::set_section_list_addresses): Print an error
1554 message if the address moves backward in a linker script.
1555 * script-sections.cc
1556 (Output_section_element_input::set_section_addresses): Don't
1557 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1558 (Orphan_output_section::set_section_addresses): Likewise.
1560 2009-10-15 Doug Kwan <dougkwan@google.com>
1562 * layout.cc (Layout::finish_dynamic_section): Generate tags
1563 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1564 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1565 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1567 2009-10-14 Ian Lance Taylor <iant@google.com>
1569 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1571 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1572 data_shdr fields of relinfo.
1573 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1574 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
1575 R_386_TLS_LDO_32, adjust based on section flags.
1576 (Target_i386::Relocate::fix_up_ldo): Remove.
1578 2009-10-13 Ian Lance Taylor <iant@google.com>
1580 Add support for -pie.
1581 * options.h (class General_options): Add -pie and
1583 (General_options::output_is_position_independent): Test -pie.
1584 (General_options::output_is_executable): Return true if not shared
1585 and not relocatable.
1586 (General_options::output_is_pie): Remove.
1587 * options.cc (General_options::finalize): Reject incompatible uses
1589 * gold.cc (queue_middle_tasks): A -pie link is not static.
1590 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1591 * symtab.cc (Symbol::final_value_is_known): Return false if
1592 output_is_position_independent.
1593 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1594 output_is_position_independent.
1595 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1596 output_is_position_independent.
1597 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1598 output_is_position_independent.
1599 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1601 (basic_pie_test.o, basic_pie_test): New targets.
1602 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1603 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1604 (two_file_pie_test): New target.
1605 * testsuite/Makefile.in: Rebuild.
1606 * README: Remove note saying that -pie is not supported.
1608 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1610 * options.h (class General_options): Add -init and -fini.
1611 * layout.cc (Layout::finish_dynamic_section): Emit
1612 given init and fini functions.
1614 2009-10-13 Sriraman Tallam <tmsriram@google.com>
1616 * gc.h (gc_process_relocs): Check if icf is enabled using new
1618 * gold.cc (queue_initial_tasks): Likewise.
1619 (queue_middle_tasks): Likewise.
1620 * object.cc (do_layout): Likewise.
1621 * symtab.cc (is_section_folded): Likewise.
1622 * main.cc (main): Likewise.
1623 * reloc.cc (Read_relocs::run): Likewise.
1624 (Sized_relobj::do_scan_relocs): Likewise.
1625 * icf.cc (is_function_ctor_or_dtor): New function.
1626 (Icf::find_identical_sections): Check if function is ctor or dtor when
1628 * options.h (General_options::icf): Change option to be an enum.
1629 (Icf_status): New enum.
1630 (icf_enabled): New method.
1631 (icf_safe_folding): New method.
1632 (set_icf_status): New method.
1633 (icf_status_): New variable.
1634 * (options.cc) (General_options::finalize): Set icf_status_.
1635 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1636 icf_test and icf_keep_unique_test to use the --icf enum flag.
1637 * testsuite/icf_safe_test.sh: New file.
1638 * testsuite/icf_safe_test.cc: New file.
1640 2009-10-12 Sriraman Tallam <tmsriram@google.com>
1642 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1643 includes to gc.h and icf.h.
1644 * arm.cc: Include gc.h.
1645 * gold.cc: Likewise.
1646 * i386.cc: Likewise.
1647 * powerpc.cc: Likewise.
1648 * sparc.cc: Likewise.
1649 * x86_64.cc: Likewise.
1650 * gc.h: Include icf.h.
1652 2009-10-11 Ian Lance Taylor <iant@google.com>
1654 * plugin.cc: Include "gold.h" before other header files.
1656 2009-10-10 Chris Demetriou <cgd@google.com>
1658 * options.h (Input_file_argument::Input_file_type): New enum.
1659 (Input_file_argument::is_lib_): Replace with...
1660 (Input_file_argument::type_): New member.
1661 (Input_file_argument::Input_file_argument): Take Input_file_type
1662 'type' rather than boolean 'is_lib' as second argument.
1663 (Input_file_argument::is_lib): Use type_.
1664 (Input_file_argument::is_searched_file): New function.
1665 (Input_file_argument::may_need_search): Handle is_searched_file.
1666 * options.cc (General_options::parse_library): Support -l:filename.
1667 (General_options::parse_just_symbols): Update for Input_file_argument
1669 (Command_line::process): Likewise.
1670 * archive.cc (Archive::get_file_and_offset): Likewise.
1671 * plugin.cc (Plugin_manager::release_input_file): Likewise.
1672 * script.cc (read_script_file, script_add_file): Likewise.
1673 * fileread.cc (Input_file::Input_file): Likewise.
1674 (Input_file::will_search_for): Handle is_searched_file.
1675 (Input_file::open): Likewise.
1676 * readsyms.cc (Read_symbols::get_name): Likewise.
1677 * testsuite/Makefile.am (searched_file_test): New test.
1678 * testsuite/Makefile.in: Regenerate.
1679 * testsuite/searched_file_test.cc: New file.
1680 * testsuite/searched_file_test_lib.cc: New file.
1682 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1683 Ian Lance Taylor <iant@google.com>
1685 * descriptor.cc: Include <cstdio> and "binary-io.h".
1686 (Descriptors::open): Open the files in binary mode always.
1687 * script.cc (Lex::get_token): Treat \r as whitespace.
1689 2009-10-09 Ian Lance Taylor <iant@google.com>
1691 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1693 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1694 Ian Lance Taylor <iant@google.com>
1696 * configure.ac: Check for readv function also.
1697 * fileread.cc (readv): Define if not HAVE_READV.
1698 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1700 * config.in: Regenerate.
1701 * configure: Regenerate.
1703 2009-10-09 Doug Kwan <dougkwan@google.com>
1705 * layout.cc (Layout::make_output_section): Call target hook to make
1706 ordinary output section.
1707 (Layout::finalize): Adjust parameter list of call the
1708 Target::may_relax().
1709 * layout.h (class Layout::section_list): New method.
1710 * merge.h (Output_merge_base::entsize): Change visibility to public.
1711 (Output_merge_base::is_string, Output_merge_base::do_is_string):
1713 (Output_merge_string::do_is_string): New method.
1714 * object.cc (Sized_relobj::do_setup): renamed from
1715 Sized_relobj::set_up.
1716 * object.h (Sized_relobj::adjust_shndx,
1717 Sized_relobj::initializ_input_to_output_maps,
1718 Sized_relobj::free_input_to_output_maps): Change visibilities to
1720 (Sized_relobj::setup): Virtualize.
1721 (Sized_relobj::do_setup): New method declaration.
1722 (Sized_relobj::invalidate_section_offset,
1723 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1724 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1725 * options.cc (parse_int): New function.
1726 * options.h (parse_int): New declaration.
1727 (DEFINE_int): New macro.
1728 (stub_group_size): New option.
1729 * output.cc (Output_section::Output_section): Initialize memebers
1730 merge_section_map_, merge_section_by_properties_map_,
1731 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1732 (Output_section::add_input_section): Handled deferred code-fill
1733 generation and remove an old comment.
1734 (Output_section::add_relaxed_input_section): New method definition.
1735 (Output_section::add_merge_input_section): Use merge section by
1736 properties map to speed to search. Update merge section maps
1738 (Output_section::build_relaxation_map): New method definition.
1739 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1741 (Output_section::relax_input_section): Renamed to
1742 Output_section::convert_input_sections_to_relaxed_sections and change
1743 interface to take a vector of pointers to relaxed sections.
1744 (Output_section::find_merge_section,
1745 Output_section::find_relaxed_input_section): New method definitions.
1746 (Output_section::is_input_address_mapped,
1747 Output_section::output_offset, Output_section::output_address):
1748 Use output section data maps to speed up searching.
1749 (Output_section::find_starting_output_address): Add comments.
1750 (Output_section::do_write,
1751 Output_section::write_to_postprocessing_buffer): Do code-fill
1752 generation as appropriate.
1753 (Output_section::get_input_sections): Invalidate relaxed input section
1755 (Output_section::restore_states): Adjust type of checkpoint .
1756 Invalidate relaxed input section map.
1757 * output.h (Output_merge_base): New class declaration.
1758 (Input_section_specifier): New class defintion.
1759 (class Output_relaxed_input_section) Change base class to
1760 Output_section_data_build.
1761 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1762 base class initializer.
1763 (Output_section::add_relaxed_input_section): New method declaration.
1764 (Output_section::Input_section): Change visibility to protected.
1765 (Output_section::Input_section::relobj,
1766 Output_section::Input_section::shndx): Handle relaxed input sections.
1767 Output_section::input_sections) Change visibility to protected. Also
1768 define overload to return a non-const pointer.
1769 (Output_section::Merge_section_properties): New class defintion.
1770 (Output_section::Merge_section_by_properties_map,
1771 Output_section::Output_section_data_by_input_section_map,
1772 Output_section::Relaxation_map): New types.
1773 (Output_section::relax_input_section): Rename method to
1774 Output_section::convert_input_sections_to_relaxed_sections and change
1775 interface to take a vector of relaxed section pointers.
1776 (Output_section::find_merge_section,
1777 Output_section::find_relaxed_input_section,
1778 Output_section::build_relaxation_map,
1779 Output_section::convert_input_sections_in_list_to_relaxed_sections):
1780 New method declarations.
1781 (Output_section::merge_section_map_
1782 Output_section::merge_section_by_properties_map_,
1783 Output_section::relaxed_input_section_map_,
1784 Output_section::is_relaxed_input_section_map_valid_,
1785 Output_section::generate_code_fills_at_write_): New data members.
1786 * script-sections.cc
1787 (Output_section_element_input::set_section_addresses): Call
1788 current_data_size and addralign methods of relaxed input sections.
1789 (Orphan_output_section::set_section_addresses): Call current_data_size
1790 and addralign methods of relaxed input sections.
1791 * symtab.cc (Symbol_table::compute_final_value): Extract template
1792 from the body of Symbol_table::sized_finalize_symbol.
1793 (Symbol_table::sized_finalized_symbol): Call
1794 Symbol_table::compute_final_value.
1795 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1796 (Symbol_table::compute_final_value): New templated method declaration.
1797 * target.cc (Target::do_make_output_section): New method defintion.
1798 * target.h (Target::make_output_section): New method declaration.
1799 (Target::relax): Add more parameters for input objects, symbol table
1800 and layout. Adjust call to do_relax.
1801 (Target::do_make_output_section): New method declaration.
1802 (Target::do_relax): Add parameters for input objects, symbol table
1805 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1807 * pread.c: Include stdio.h.
1809 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1811 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1814 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1816 * dwarf_reader.cc (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 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1822 Change read_shndx type to unsigned int.
1823 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1825 (Sized_dwarf_line_info::read_line_mappings): Likewise.
1826 * layout.cc (Layout::create_symtab_sections): Cast the result of
1827 local_symcount * symsize to off_t in the gold_assert.
1829 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1831 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1832 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1834 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1835 (Arm_relocate_functions::thm_abs5): New function.
1836 (Arm_relocate_functions::abs12): New function.
1837 (Arm_relocate_functions::abs16): New function.
1838 (Arm_relocate_functions::base_abs): New function.
1839 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1840 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
1841 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1843 (Scan::global): Likewise.
1844 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1845 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1846 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1847 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1850 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1852 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1853 (Arm_relocate_functions::movt_prel): New function.
1854 (Arm_relocate_functions::thm_movw_prel_nc): New function.
1855 (Arm_relocate_functions::thm_movt_prel): New function.
1856 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1857 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1858 (Scan::global, Relocate::relocate): Likewise.
1859 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1861 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
1863 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1864 Incremental_checker.
1865 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1867 (class Incremental_inputs_header): New class.
1868 (Incremental_inputs_header_writer): Edit comment.
1869 (Incremental_inputs_entry): New class.
1870 (Incremental_inputs_entry_writer): Edit comment.
1871 (Sized_incremental_binary::do_find_incremental_inputs_section):
1872 Add *strtab_shndx parameter, fill it.
1873 (Sized_incremental_binary::do_check_inputs): New method.
1874 (Incremental_checker::can_incrementally_link_output_file): Use
1875 Sized_incremental_binary::check_inputs.
1876 (Incremental_inputs::report_command_line): Save command line in
1879 (Incremental_binary::find_incremental_inputs_section): New
1881 (Incremental_binary::do_find_incremental_inputs_section): Add
1882 strtab_shndx parameter.
1883 (Incremental_binary::do_check_inputs): New pure virtual method.
1884 (Sized_incremental_binary::do_check_inputs): Declare.
1885 (Incremental_checker::Incremental_checker): Add incremental_inputs
1886 parameter, use it to initialize incremental_inputs_.
1887 (Incremental_checker::incremental_inputs_): New field.
1888 (Incremental_checker::command_line): New method.
1889 (Incremental_checker::inputs): New method.
1890 (Incremental_checker::command_line_): New field.
1892 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
1894 * incremental.cc: Include <cstdarg> and "target-select.h".
1895 (vexplain_no_incremental): New function.
1896 (explain_no_incremental): New function.
1897 (Incremental_binary::error): New method.
1898 (Sized_incremental_binary::do_find_incremental_inputs_section): New
1900 (make_sized_incremental_binary): New function.
1901 (open_incremental_binary): New function.
1902 (can_incrementally_link_file): Add checks if output is ELF and has
1904 * incremental.h: Include "elfcpp_file.h" and "output.h".
1905 (Incremental_binary): New class.
1906 (Sized_incremental_binary): New class.
1907 (open_incremental_binary): Declare.
1908 * object.cc (is_elf_object): Use
1909 elfcpp::Elf_recognizer::is_elf_file.
1910 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1911 * output.h (Output_file::filesize): New method.
1913 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1915 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1917 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1918 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1920 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1922 (Arm_relocate_functions::movw_abs_nc): New function.
1923 (Arm_relocate_functions::movt_abs): New function.
1924 (Arm_relocate_functions::thm_movw_abs_nc): New function.
1925 (Arm_relocate_functions::thm_movt_abs): New function.
1926 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1927 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1928 (Scan::global): Likewise.
1929 (Relocate::relocate): Likewise.
1930 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1932 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1934 * arm.cc (Arm_relocate_functions::got_prel) New function.
1935 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1936 (Relocate::relocate): Likewise.
1937 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1939 2009-10-06 Ian Lance Taylor <iant@google.com>
1941 * options.h (class General_options): Define
1942 split_stack_adjust_size parameter.
1943 * object.h (class Object): Add uses_split_stack_ and
1944 has_no_split_stack_ fields. Add uses_split_stack and
1945 has_no_split_stack accessor functions. Declare
1946 handle_split_stack_section.
1947 (class Reloc_symbol_changes): Define.
1948 (class Sized_relobj): Define Function_offsets. Declare
1949 split_stack_adjust, split_stack_adjust_reltype, and
1951 * object.cc (Object::handle_split_stack_section): New function.
1952 (Sized_relobj::do_layout): Call handle_split_stack_section.
1953 * dynobj.cc (Sized_dynobj::do_layout): Call
1954 handle_split_stack_section.
1955 * reloc.cc (Sized_relobj::relocate_sections): Call
1956 split_stack_adjust for executable sections in split_stack
1957 objects. Pass reloc_map to relocate_section.
1958 (Sized_relobj::split_stack_adjust): New function.
1959 (Sized_relobj::split_stack_adjust_reltype): New function.
1960 (Sized_relobj::find_functions): New function.
1961 * target-reloc.h: Include "object.h".
1962 (relocate_section): Add reloc_symbol_changes parameter. Change
1964 * target.h (class Target): Add calls_non_split method. Declare
1965 do_calls_non_split virtual method. Declare match_view and
1967 * target.cc: Include "elfcpp.h".
1968 (Target::do_calls_non_split): New function.
1969 (Target::match_view): New function.
1970 (Target::set_view_to_nop): New function.
1971 * gold.cc (queue_middle_tasks): Give an error if mixing
1972 split-stack and non-split-stack objects with -r.
1973 * i386.cc (Target_i386::relocate_section): Add
1974 reloc_symbol_changes parameter.
1975 (Target_i386::do_calls_non_split): New function.
1976 * x86_64.cc (Target_x86_64::relocate_section): Add
1977 reloc_symbol_changes parameter.
1978 (Target_x86_64::do_calls_non_split): New function.
1979 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1981 * powerpc.cc (Target_powerpc::relocate_section): Add
1982 reloc_symbol_changes parameter.
1983 * sparc.cc (Target_sparc::relocate_section): Add
1984 reloc_symbol_changes parameter.
1985 * configure.ac: Call AM_CONDITIONAL for the default target.
1986 * configure: Rebuild.
1987 * testsuite/Makefile.am (TEST_AS): New variable.
1988 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1989 (check_DATA): Add split_i386 and split_x86_64 files.
1990 (SPLIT_DEFSYMS): Define.
1991 (split_i386_[1234n].o): New targets.
1992 (split_i386_[124]): New targets.
1993 (split_i386_[1234r].stdout): New targets.
1994 (split_x86_64_[1234n].o): New targets.
1995 (split_x86_64_[124]): New targets.
1996 (split_x86_64_[1234r].stdout): New targets.
1997 (MOSTLYCLEANFILES): Add new executables.
1998 * testsuite/split_i386.sh: New file.
1999 * testsuite/split_x86_64.sh: New file.
2000 * testsuite/split_i386_1.s: New file.
2001 * testsuite/split_i386_2.s: New file.
2002 * testsuite/split_i386_3.s: New file.
2003 * testsuite/split_i386_4.s: New file.
2004 * testsuite/split_i386_n.s: New file.
2005 * testsuite/split_x86_64_1.s: New file.
2006 * testsuite/split_x86_64_2.s: New file.
2007 * testsuite/split_x86_64_3.s: New file.
2008 * testsuite/split_x86_64_4.s: New file.
2009 * testsuite/split_x86_64_n.s: New file.
2010 * testsuite/testfile.cc (Target_test): Update relocation_section
2012 * testsuite/Makefile.in: Rebuild.
2014 2009-10-06 Ian Lance Taylor <iant@google.com>
2016 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2017 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2018 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
2019 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2020 the address on ldo_addrs_.
2021 (Target_i386::Relocate::fix_up_ldo): New function.
2023 2009-10-06 Rafael Espindola <espindola@google.com>
2025 * plugin.cc (add_input_library): New.
2026 (Plugin::load): Add add_input_library to tv.
2027 (Plugin_manager::add_input_file): Add the is_lib argument.
2028 (add_input_file): Update call to Plugin_manager::add_input_file.
2029 (add_input_library): New.
2030 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2032 2009-09-30 Doug Kwan <dougkwan@google.com>
2034 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2035 symbol and call Symbol::may_need_copy_reloc to determine if
2036 a copy reloc is needed.
2037 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2038 nocopyreloc is given in command line.
2039 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2040 given in command line.
2041 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2042 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2043 of the removed Target_i386::may_need_copy_reloc.
2044 * options.h (copyreloc): New option with default value false.
2045 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2046 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2047 instead of the removed Target_powerpc::may_need_copy_reloc.
2048 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2049 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2050 instead of the removed Target_sparc::may_need_copy_reloc.
2051 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2052 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2053 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2054 instead of the removed Target_x86_64::may_need_copy_reloc.
2056 2009-09-30 Ian Lance Taylor <iant@google.com>
2058 * object.h (class Object): Remove target_ field, and target,
2059 sized_target, and set_target methods.
2060 (Object::sized_target): Remove.
2061 (class Sized_relobj): Update declarations. Remove sized_target.
2062 * object.cc (Sized_relobj::setup): Remove target parameter.
2064 (Input_objects::add_object): Don't do anything with the target.
2065 (make_elf_sized_object): Add punconfigured parameter. Change all
2066 callers. Set or test parameter target.
2067 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2069 * parameters.cc (Parameters::set_target): Change parameter type to
2071 (Parameters::default_target): Remove.
2072 (set_parameters_target): Change parameter type to be non-const.
2073 (parameters_force_valid_target): New function.
2074 (parameters_clear_target): New function.
2075 * parameters.h (class Parameters): Update declarations. Remove
2076 default_target method. Add sized_target and clear_target
2077 methods. Change target_ to be non-const.
2078 (set_parameters_target): Update declaration.
2079 (parameters_force_valid_target): Declare.
2080 (parameters_clear_target): Declare.
2081 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
2082 as NULL if we aren't searching.
2083 (Add_symbols::run): Don't check for compatible target.
2084 * fileread.cc (Input_file::open_binary): Call
2085 parameters_force_valid_target.
2086 * gold.cc (queue_middle_tasks): Likewise.
2087 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
2088 set_target on object.
2089 * dynobj.h (class Sized_dynobj): Update declarations.
2090 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
2091 make_elf_object returns NULL.
2092 (Archive::include_member): Don't check whether object target is
2094 * output.cc (Output_section::add_input_section): Get target from
2096 (Output_section::relax_input_section): Likewise.
2097 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
2099 (Sized_relobj::do_scan_relocs): Likewise.
2100 (Sized_relobj::relocate_sections): Likewise.
2101 * resolve.cc (Symbol_table::resolve): Likewise.
2102 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
2103 parameter. Change all callers.
2104 (Symbol_table::add_from_object): Get target from parameters.
2105 (Symbol_table::add_from_relobj): Don't check object target.
2106 (Symbol_table::add_from_dynobj): Likewise.
2107 (Symbol_table::define_special_symbol): Get target from
2109 * symtab.h (class Symbol_table): Update declaration.
2110 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
2111 parameter. Change all callers. Clear parameter target.
2112 (Binary_test): Test target here.
2113 * testsuite/object_unittest.cc (gold_testsuite): Remove
2114 target_test_pointer parameter. Change all callers.
2115 (Object_test): Test target here.
2117 2009-09-26 Ian Lance Taylor <iant@google.com>
2119 * testsuite/initpri1.c: Don't try to use constructor priorities if
2120 compiling with gcc before 4.3.
2122 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
2124 * testsuite/retain_symbols_file_test.sh (check_present): Change
2125 output file name to retain_symbols_file_test.stdout.
2126 (check_absent): Likewise.
2128 2009-09-18 Craig Silverstein <csilvers@google.com>
2130 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
2131 * options.cc: Include <cerrno> and <fstream>.
2132 (General_options::finalize): Parse -retain-symbols-file tag.
2133 * options.h: New flag.
2134 (General_options): New method should_retain_symbol, new
2135 variable symbols_to_retain.
2136 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
2137 should_retain_symbol map.
2138 * testsuite/Makefile.am (retain_symbols_file_test): New test.
2139 * testsuite/Makefile.in: Regenerate.
2140 * testsuite/retain_symbols_file_test.sh: New file.
2142 2009-09-18 Nick Clifton <nickc@redhat.com>
2144 * po/es.po: Updated Spanish translation.
2146 2009-09-17 Doug Kwan <dougkwan@google.com>
2148 * debug.h (DEBUG_RELAXATION): New constant.
2149 (DEBUG_ALL): Add DEBUG_RELAXATION.
2150 (debug_string_to_enum): Add relaxation debug option.
2152 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
2153 Layout::Relaxation_debug_check::read_sections,
2154 Layout::Relaxation_debug_check::read_sections): New method definitions.
2155 (Layout::Layout): Initialize data members
2156 record_output_section_data_from_scrips_,
2157 script_output_section_data_list_ and relaxation_debug_check_.
2158 (Layout::save_segments, Layout::restore_segments,
2159 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2160 Layout::relaxation_loop_body): New method definitions.
2161 (Layout::finalize): Support relaxation. Move section layout code to
2162 Layout::relaxation_loop_body.
2163 (Layout::set_asection_address_from_script): Move code for orphan
2164 section placement out.
2165 (Layout::place_orphan_sections_in_script): New method definition.
2166 * layout.h (Output_segment_headers, Output_file_header):
2167 New forward class declarations.
2168 (Layout::~Layout): Define.
2169 (Layout::new_output_section_data_from_script): New method definition.
2170 (Layout::place_orphan_sections_in_script): New method declaration.
2171 (Layout::Segment_states): New type declaration.
2172 (Layout::save_segments, Layout::restore_segments,
2173 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2174 Layout::relaxation_loop_body): New method declarations.
2175 (Layout::Output_section_data_list): New type declaration.
2176 (Layout::Relaxation_debug_check): New class definition.
2177 (Layout::record_output_section_data_from_script_,
2178 Layout::script_output_section_data_list_, Layout::segment_states_,
2179 Layout::relaxation_debug_check_): New data members.
2180 * output.cc: (Output_section_headers::do_size): New method definition.
2181 (Output_section_headers::Output_section_headers): Move size
2182 computation to Output_section_headers::do_size.
2183 (Output_segment_headers::do_size): New method definition.
2184 (Output_file_header::Output_file_header): Move size computation to
2185 Output_file_header::do_size and call it.
2186 (Output_file_header::do_size): New method definition.
2187 (Output_data_group::Output_data_group): Adjust call to
2188 Output_section_data.
2189 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
2190 (Output_symtab_xindex::do_write): Add array bound check.
2191 (Output_section::Input_section::print_to_mapfile): Handle
2192 RELAXED_INPUT_SECTION_CODE.
2193 (Output_section::Output_section): Initialize data member checkpoint_.
2194 (Output_section::~Output_section): Delete checkpoint object pointed
2196 (Output_section::add_input_section): Always add an Input_section if
2198 (Output_section::add_merge_input_section): Add assert.
2199 (Output_section::relax_input_section): New method definition.
2200 (Output_section::set_final_data_size): Set load address to zero for
2201 an unallocated section.
2202 (Output_section::do_address_and_file_offset_have_reset_values):
2203 New method definition.
2204 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2205 Handle relaxed input section.
2206 (Output_section::sort_attached_input_sections): Checkpoint input
2207 section list lazily.
2208 (Output_section::get_input_sections): Change type of input_sections to
2209 list of Simple_input_section pointers. Checkpoint input section list
2210 lazily. Also handle relaxed input sections.
2211 (Output_section::add_input_section_for_script): Take a reference to
2212 a Simple_input_section object instead of Relobj pointer and section
2213 index as parameter. Handle relaxed input sections.
2214 (Output_section::save_states, Output_section::restore_states): New
2216 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2217 (Output_data::is_data_size_fixed): New method definition.
2218 (Output_data::reset_addresss_and_file_offset): Do not reset data size
2220 (Output_data::address_and_file_offset_have_reset_values): New method
2222 (Output_data::do_address_and_file_offset_have_reset_values): New method
2224 (Output_data::set_data_size): Check that data size is not fixed.
2225 (Output_data::fix_data_size): New method definition.
2226 (Output_data::is_data_size_fixed_): New data member.
2227 (Output_section_headers::set_final_data_size): New method definition.
2228 (Output_section_headers::do_size): New method declaration.
2229 (Output_segment_headers::set_final_data_size): New method definition.
2230 (Output_segment_headers::do_size): New method declaration.
2231 (Output_file_header::set_final_data_size)::New method definition.
2232 (Output_file_header::do_size)::New method declaration.
2233 (Output_section_data::Output_section_data): Add new parameter
2234 is_data_size_fixed and use it to fix data size.
2235 (Output_data_const::Output_data_const): Adjust call to base class
2236 constructor and fix data size.
2237 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2238 base class constructor and fix data size.
2239 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2240 base class constructor and fix data size.
2241 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2242 class constructor and fix data size.
2243 (Output_data_group::set_final_data_size): New method definition.
2244 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2245 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2246 class constructor and fix data size.
2247 (Output_relaxed_input_section): New class definition.
2248 (Output_section::Simple_input_section): New class definition.
2249 (Output_section::get_input_sections): Adjust parameter list.
2250 (Output_section::add_input_section_for_script): Same.
2251 (Output_section::save_states, Output_section::restore_states,
2252 Output_section::do_address_and_file_offset_have_reset_values,
2253 (Output_section::Input_section::Input_section): Handle
2254 RELAXED_INPUT_SECTION_CODE. Add new overload for
2255 Output_relaxed_input_section.
2256 (Output_section::Input_section::is_input_section,
2257 Output_section::Input_section::set_output_section): Handle relaxed
2259 (Output_section::Input_section::is_relaxed_input_section,
2260 Output_section::Input_section::output_section_data,
2261 Output_section::Input_section::relaxed_input_section): New method
2263 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2265 (Output_section::Input_section::u1_): Update comments.
2266 (Output_section::Input_section::u2_): Add new union member poris.
2267 (Output_section::Checkpoint_output_section): New classs definition.
2268 (Output_section::relax_input_section): New method declaration.
2269 (Output_section::checkpoint_): New data member.
2270 (Output_segment): Update comments.
2271 (Output_segment::Output_segment): Un-privatize copy constructor.
2272 (Output_segment::operator=): Un-privatize.
2273 * script-sections.cc (Output_section_element::Input_section_list):
2274 Change element type to Output_section::Simple_input_section.
2275 (Output_section_element_dot_assignment::set_section_addresses):
2276 Register output section data for relaxation clean up.
2277 (Output_data_exression::Output_data_expression): Adjust call to base
2278 constructor to fix data size.
2279 (Output_section_element_data::set_section_addresses): Register
2280 Output_data_expression object for relaxation clean up.
2281 (struct Input_section_info): Replace Relobj pointer and section index
2282 pair with Output_section::Simple_input_section and Convert struct to a
2284 (Input_section_sorter::operator()): Adjust access to
2285 Input_section_info data member to use accessors.
2286 (Output_section_element_input::set_section_addresses): Use layout
2287 parameter. Adjust code to use Output_section::Simple_input_section
2288 and Input_secction_info classes. Register filler for relaxation
2290 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2291 and section index pair with Output_section::Simple_input_section
2292 class. Adjust code accordingly.
2293 (Phdrs_element::release_segment): New method definition.
2294 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2296 (Script_sections::release_segments): New method definition.
2297 * gold/script-sections.h (Script_sections::release_segments): New
2299 * gold/target.h (Target::may_relax, Target::relax,
2300 Target::do_may_relax, Target::do_relax): New method definitions.
2302 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2304 * arm.cc (has_signed_unsigned_overflow): New function.
2305 (Arm_relocate_functions::abs8): New function.
2306 (Target_arm::Scan::local): Handle R_ARM_ABS8.
2307 (Target_arm::Scan::global): Likewise.
2308 (Target_arm::relocate::relocate): Likewise.
2309 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2312 2009-09-16 Cary Coutant <ccoutant@google.com>
2314 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2315 * testsuite/Makefile.in: Regenerate.
2317 2009-09-11 Nick Clifton <nickc@redhat.com>
2319 * po/gold.pot: Updated by the Translation project.
2321 2009-09-08 Cary Coutant <ccoutant@google.com>
2323 * output.cc (Output_file::open): Add execute permission to empty file.
2324 * testsuite/Makefile.am (permission_test): New test.
2325 * testsuite/Makefile.in: Regenerate.
2327 2009-09-02 Ian Lance Taylor <iant@google.com>
2329 * output.cc (Output_file::resize): Call map_no_anonymous rather
2332 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
2334 * gold.cc: Include "incremental.h".
2335 (queue_initial_tasks): Call Incremental_checker methods.
2336 * incremental.cc: Include "output.h".
2337 (Incremental_checker::can_incrementally_link_output_file): New
2339 * incremental.h (Incremental_checker): New class.
2341 * output.cc (Output_file::open_for_modification): New method.
2342 (Output_file::map_anonymous): Changed return type to bool. Record
2344 (Output_file::map_no_anonymous): New method, broken out of map.
2345 (Output_file::map): Use map_no_anonymous and map_anonymous.
2346 * output.h (class Output_file): Update declarations.
2348 2009-08-24 Cary Coutant <ccoutant@google.com>
2350 * options.h (Command_line::Pre_options): New class.
2351 (Command_line::pre_options): New member.
2352 * options.cc (gold::options::ready_to_register): New variable.
2353 (One_option::register_option): Do nothing if not registering options.
2354 Assert if same short option registered twice.
2355 (General_options::General_options): Turn off option registration when
2357 (Command_line::Pre_options::Pre_options): New constructor.
2359 2009-08-24 Cary Coutant <ccoutant@google.com>
2361 * options.h (General_options::no_keep_memory): Remove incorrect
2364 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2366 * Makefile.am (am__skiplex, am__skipyacc): New.
2367 * Makefile.in: Regenerate.
2369 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2371 * Makefile.am (AM_CPPFLAGS): Renamed from ...
2372 (INCLUDES): ... this.
2373 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2374 (AM_CPPFLAGS): Renamed from ...
2375 (INCLUDE): ... this.
2376 * Makefile.in, testsuite/Makefile.in: Regenerate.
2378 * Makefile.in: Regenerate.
2379 * aclocal.m4: Likewise.
2380 * config.in: Likewise.
2381 * configure: Likewise.
2382 * testsuite/Makefile.in: Likewise.
2384 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2385 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2386 * Makefile.in: Regenerate.
2387 * testsuite/Makefile.in: Regenerate.
2389 2009-08-19 Cary Coutant <ccoutant@google.com>
2391 * resolve.cc (Symbol_table::resolve): Don't complain about defined
2392 symbols in shared libraries overridden by hidden or internal symbols
2393 in the main program.
2395 2009-08-19 Chris Demetriou <cgd@google.com>
2397 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2398 checking source file names in error messages.
2400 2009-08-18 Doug Kwan <dougkwan@google.com>
2402 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2403 an elcpp::Ehdr as parameter. Adjust call to set_target.
2404 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2405 an elfcpp::Ehdr as parameter.
2406 * object.cc (Object::set_target): Remove the version that looks up
2407 a target and sets it.
2408 (Sized_relobj::setup): Take a Target object instead of
2409 an elfcpp::Ehdr as parameter. Adjust call to set_target.
2410 (make_elf_sized_object): Find target and ask target to
2412 * object.h: (Object::set_target): Remove the version that looks up
2413 a target and sets it.
2414 (Sized_relobj::setup): Take a Target object instead of
2415 an elfcpp:Ehdr as parameter.
2416 * target.cc: Include dynobj.h.
2417 (Target::do_make_elf_object_implementation): New.
2418 (Target::do_make_elf_object): New.
2419 * target.h (Target::make_elf_object): New template declaration.
2420 (Target::do_make_elf_object): New method declarations.
2421 (Target::do_make_elf_object_implementation): New template declaration.
2423 2009-08-14 Ian Lance Taylor <iant@google.com>
2425 * gold.h (FUNCTION_NAME): Define.
2426 (gold_unreachable): Use FUNCTION_NAME.
2428 2009-08-12 Sriraman Tallam <tmsriram@google.com>
2430 * icf.cc (Icf::find_identical_sections): Issue a warning when a
2431 symbol in the --keep-unique list is not found.
2433 2009-08-12 Sriraman Tallam <tmsriram@google.com>
2435 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2436 been maked as --keep-unique.
2437 (Icf::unfold_section): New function.
2438 * icf.h (Icf::unfold_section): New function.
2439 * options.h (General_options::keep_unique): New option.
2440 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2441 * testsuite/Makefile.in: Regenerate.
2442 * testsuite/icf_keep_unique_test.sh: New file.
2443 * testsuite/icf_keep_unique_test.cc: New file.
2445 2009-08-12 Cary Coutant <ccoutant@google.com>
2448 * resolve.cc (Symbol_table::resolve): Check for references from
2449 dynamic objects to hidden and internal symbols.
2450 * testsuite/Makefile.am (hidden_test.sh): New test.
2451 * testsuite/Makefile.in: Regenerate.
2452 * testsuite/hidden_test.sh: New script.
2453 * testsuite/hidden_test_1.c: New test source.
2454 * testsuite/hidden_test_main.c: New test source.
2456 2009-08-11 Doug Kwan <dougkwan@google.com>
2458 * arm.cc: Update comments.
2459 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2460 segment to locate the .ARM.exidx section if present.
2462 2009-08-09 Doug Kwan <dougkwan@google.com>
2464 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2467 2009-08-07 Sriraman Tallam <tmsriram@google.com>
2468 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2471 2009-08-06 Sriraman Tallam <tmsriram@google.com>
2473 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2474 valid tls_segment only for non-debug-section relocations.
2475 * testsuite/Makefile.am: Add gc_tls_test.
2476 * testsuite/Makefile.in: Regenerate.
2477 * testsuite/gc_tls_test.cc: New file.
2478 * testsuite/gc_tls_test.sh: New file.
2480 2009-08-05 Sriraman Tallam <tmsriram@google.com>
2484 * Makefile.am (CCFILES): Add icf.cc.
2486 * Makefile.in: Regenerate.
2487 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2488 * gc.h (gc_process_relocs): Populate lists used by icf to contain
2489 section, symbol and addend information for the relocs.
2490 * gold.cc (queue_middle_tasks): Call identical code folding.
2491 * gold.h: Add defines for multimap.
2492 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2493 to the call of finalize_local_symbols.
2494 * main.cc (main): Create object of class Icf.
2495 * object.cc (Sized_relobj::do_layout): Allow this function to be
2496 called twice during icf.
2497 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2498 to sections marked as identical by icf.
2499 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2501 (Sized_relobj::do_section_entsize): New function.
2502 * object.h (Object::section_entsize): New function.
2503 (Object::do_section_entsize): New pure virtual function.
2504 (Relobj::finalize_local_symbols): Add new parameter.
2505 (Relobj::do_section_entsize): New function.
2506 * options.h (General_options::icf): New option.
2507 (General_options::icf_iterations): New option.
2508 (General_options::print_icf_sections): New option.
2509 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2510 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2511 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2513 * symtab.cc (Symbol_table::is_section_folded): New function.
2514 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
2515 to sections marked as identical by icf.
2516 * symtab.h (Symbol_table::set_icf): New function.
2517 (Symbol_table::icf): New function.
2518 (Symbol_table::is_section_folded): New function.
2519 (Symbol_table::icf_): New data member.
2520 * target-reloc.h (relocate_section): Ignore sections folded by icf.
2521 * testsuite/Makefile.am: Add commands to build icf_test.
2522 * testsuite/Makefile.in: Regenerate.
2523 * testsuite/icf_test.sh: New file.
2524 * testsuite/icf_test.cc: New file.
2526 2009-07-24 Chris Demetriou <cgd@google.com>
2528 * layout.cc (is_compressible_debug_section): Fix incorrect
2529 comment about compressed section names.
2531 2009-07-20 Ian Lance Taylor <ian@airs.com>
2534 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2536 2009-07-16 Ian Lance Taylor <iant@google.com>
2539 * layout.h: #include <map>.
2540 (class Kept_section): Change from struct to class. Add accessors
2541 and setters. Add section size to Comdat_group mapping. Change
2542 Comdat_group to std::map. Add is_comdat_ field. Add
2543 linkonce_size field in union.
2544 (class Layout): Update declaration of find_or_add_kept_section.
2545 Don't declare find_kept_object.
2546 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2547 parameter. Add object, shndx, is_comdat, and is_group_name
2548 parameters. Change all callers. Adjust for new Kept_section.
2549 (Layout::find_kept_object): Remove.
2550 * object.cc (Sized_relobj::include_section_group): Update use of
2551 Kept_section. Rename secnum to shndx. Only record
2552 Kept_comdat_section if sections are the same size.
2553 (Sized_relobj::include_linkonce_section): Update use of
2554 Kept_section. Only record Kept_comdat_section if sections are the
2555 same size. Set size of linkonce section.
2556 (Sized_relobj::map_to_kept_section): Update call to
2557 get_kept_comdat_section.
2558 * object.h (class Sized_relobj): Rename fields in
2559 Kept_comdat_section to drop trailing underscores; change object
2560 field to Relobj*. Change Kept_comdat_section_table to store
2561 struct rather than pointer.
2562 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2563 Add kept_object and kept_shndx parameters. Change all callers.
2564 (Sized_relobj::get_kept_comdat_section): Change return type to
2565 bool. Add kept_object and kept_shndx parameters. Change all
2567 * plugin.cc (Pluginobj::include_comdat_group): Update call to
2568 Layout::find_or_add_kept_section.
2570 2009-07-09 Ian Lance Taylor <iant@google.com>
2572 * merge.cc (Object_merge_map::initialize_input_to_output_map):
2573 Reserve space in the hash table.
2575 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
2577 * fileread.cc (File_read::get_mtime): New method.
2578 * fileread.h (Timespec): New structure.
2579 (File_read::get_mtime): New method.
2580 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2581 Renamed from timestamp_nsec.
2582 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2584 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2586 (Incremental_inputs::report_archive): Save mtime; style fix.
2587 (Incremental_inputs::report_obejct): Save mtime; style fix.
2588 (Incremental_inputs::report_script): Save mtime; style fix.
2589 (Incremental_inputs::finalize_inputs): Style fix.
2590 (Incremental_inputs::finalize): Style fix.
2591 (Incremental_inputs::create_input_section_data): Store inputs
2593 * incremental.h (Incremental_inputs::report_script): Add mtime
2595 (Incremental_inputs::Input_info::Input_info): Intialize only one
2597 (Incremental_inputs::Input_info::archive): Move to nameless
2599 (Incremental_inputs::Input_info::obejct): Move to nameless union.
2600 (Incremental_inputs::Input_info::script): Move to nameless union.
2601 (Incremental_inputs::mtime): New field.
2602 * script.cc (read_input_script): Pass file mtime to
2604 * script.h (Script_info::inputs): Style fix.
2606 2009-07-01 Ian Lance Taylor <ian@airs.com>
2608 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2611 2009-06-24 Ian Lance Taylor <iant@google.com>
2614 * layout.cc (Layout::choose_output_section): If we find an
2615 existing section, update the flags.
2616 (Layout::create_notes): New function, broken out of
2618 (Layout::finalize): Don't create note sections.
2619 (Layout::create_note): Don't crash if linker script discards
2621 (Layout::create_gold_note): Likewise.
2622 (Layout::create_build_id): Likewise. Don't set
2623 after_input_sections on the section.
2624 (Layout::create_executable_stack_info): Remove target parameter.
2626 * layout.h (class Layout): Declare create_notes. Update
2627 declaration of create_executable_stack_info.
2628 * gold.cc (queue_middle_tasks): Call create_notes.
2629 * output.cc (Output_section::update_flags_for_input_section): Move
2630 here from output.h. If SHF_ALLOC flag is newly set, mark address
2632 * output.h (Output_data::mark_address_invalid): New function.
2633 (class Output_section): Only declare, not define,
2634 update_flags_for_input_section. Remove set_flags.
2636 2009-06-24 Ian Lance Taylor <iant@google.com>
2638 * script-sections.cc (Output_section_definition::
2639 set_section_addresses): Rename shadowing local load_address to
2642 2009-06-24 Ian Lance Taylor <iant@google.com>
2645 * reloc.cc (relocate_sections): Skip empty relocation sections.
2647 2009-06-23 Ian Lance Taylor <iant@google.com>
2650 * layout.cc (Layout::create_note): Use choose_output_section
2651 rather than make_output_section.
2653 2009-06-23 Ian Lance Taylor <iant@google.com>
2656 * options.cc (General_options::parse_V): Set printed_version_.
2657 (General_options::General_options): Initialize printed_version_.
2658 * options.h (class General_options): Add printed_version_ field.
2659 * gold.cc (queue_initial_tasks): If there are no input files,
2660 don't give a fatal error if we printed the version information.
2661 (queue_middle_tasks): If using -r with a shared object, give a
2662 fatal error rather than an ordinary error.
2664 2009-06-23 Ian Lance Taylor <iant@google.com>
2667 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2668 (Layout::make_output_section): Set have_stabstr_section_ if we see
2669 a .stab*str section.
2670 (Layout::finalize): Call link_stabs_sections.
2671 (Layout::link_stabs_sections): New file.
2672 * layout.h (class Layout): Add have_stabstr_section_ field.
2673 Declare link_stabs_sections.
2675 2009-06-23 Doug Kwan <dougkwan@google.com>
2677 * Makefile.am (libgold_a_LIBADD): New.
2678 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2679 * Makefile.in: Regenerate.
2680 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2681 * configure: Regenerate.
2682 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2683 * fileread.cc: Include sys/state.h
2684 * gold.h: Declare memmem and strndup if found missing.
2685 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2687 2009-06-23 Ian Lance Taylor <iant@google.com>
2689 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2690 * configure: Rebuild.
2692 2009-06-23 Ian Lance Taylor <iant@google.com>
2695 * object.cc (Object::section_contents): Don't try to get a view if
2696 the section has length zero.
2697 (Object::handle_gnu_warning_section): If the section is empty, use
2698 the name of the section as the warning.
2700 2009-06-23 Ian Lance Taylor <iant@google.com>
2703 * stringpool.h (class Stringpool_template): Add optimize_ field.
2704 (Stringpool_template::set_optimize): New function.
2705 * stringpool.cc (Stringpool_template::Stringpool_template):
2706 Initialize optimize_ field.
2707 (Stringpool_template::set_string_offsets): Test local optimize
2708 fild rather than parameter.
2709 * layout.cc (Layout::Layout): Call set_optimize on the section
2712 2009-06-22 Ian Lance Taylor <iant@google.com>
2715 * yyscript.y: Parse TARGET.
2716 * script.cc (script_set_target): New function.
2717 * script-c.h (script_set_target): Declare.
2718 * options.cc (General_options::string_to_object_format): Rename
2719 from string_to_object_format in anonymous namespace. Change
2721 * options.h (class General_options): Declare
2722 string_to_object_format.
2724 2009-06-22 Ian Lance Taylor <iant@google.com>
2726 * script-sections.cc (Script_sections::create_segments): Don't put
2727 program headers in a PT_LOAD segment if -n or -N.
2729 2009-06-22 Ian Lance Taylor <iant@google.com>
2732 * options.h (class General_options): Add -z lazy and -z now. Sort
2733 -z options into alphabetical order.
2734 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2736 2009-06-21 Ian Lance Taylor <iant@google.com>
2738 * layout.cc (Layout::make_output_section): Call
2739 Target::new_output_section.
2740 (Layout::attach_allocated_section_to_segment): Put large section
2741 sections in a separate load segment with the large segment flag
2743 (Layout::segment_precedes): Sort large data segments after other
2745 (align_file_offset): New static function.
2746 (Layout::set_segment_offsets): Use align_file_offset.
2747 * output.h (class Output_section): Add is_small_section_ and
2748 is_large_section_ fields.
2749 (Output_section::is_small_section): New function.
2750 (Output_section::set_is_small_section): New function.
2751 (Output_section::is_large_section): New function.
2752 (Output_section::set_is_large_section): New function.
2753 (Output_section::is_large_data_section): New function.
2754 (class Output_segment): Add is_large_data_segment_ field.
2755 (Output_segment::is_large_data_segment): New function.
2756 (Output_segment::set_is_large_data_segment): New function.
2757 * output.cc (Output_section::Output_section): Initialize new
2759 (Output_segment::Output_segment): Likewise.
2760 (Output_segment::add_output_section): Add assertion that large
2761 data sections always go in large data segments. Force small data
2762 sections to the end of the list of data sections. Force small BSS
2763 sections to the start of the list of BSS sections. For large BSS
2764 sections to the end of the list of BSS sections.
2765 * symtab.h (class Symbol): Declare is_common_shndx.
2766 (Symbol::is_defined): Check Symbol::is_common_shndx.
2767 (Symbol::is_common): Likewise.
2768 (class Symbol_table): Define enum Commons_section_type. Update
2769 declarations. Add small_commons_ and large_commons_ fields.
2770 * symtab.cc (Symbol::is_common_shndx): New function.
2771 (Symbol_table::Symbol_table): Initialize new fields.
2772 (Symbol_table::add_from_object): Put small and large common
2773 symbols in the right list.
2774 (Symbol_table::sized_finalized_symbol): Check
2775 Symbol::is_common_shndx.
2776 (Symbol_table::sized_write_globals): Likewise.
2777 * common.cc (Symbol_table::do_allocate_commons): Allocate new
2778 common symbol lists. Don't call do_allocate_commons_list if the
2780 (Symbol_table::do_allocate_commons_list): Remove is_tls
2781 parameter. Add comons_section_type parameter. Change all
2782 callers. Handle small and large common symbols.
2783 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2784 Symbol::is_common_shndx.
2785 * resolve.cc (symbol_to_bits): Likewise.
2786 * target.h (Target::small_common_shndx): New function.
2787 (Target::small_common_section_flags): New function.
2788 (Target::large_common_shndx): New function.
2789 (Target::large_common_section_flags): New function.
2790 (Target::new_output_section): New function.
2791 (Target::Target_info): Add small_common_shndx, large_common_shndx,
2792 small_common_section_flags, and large_common_section_flags
2794 (Target::do_new_output_section): New virtual function.
2795 * arm.cc (Target_arm::arm_info): Initialize new fields.
2796 * i386.cc (Target_i386::i386_info): Likewise.
2797 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2799 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2800 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2801 (Target_x86_64::do_new_output_section): New function.
2802 * configure.ac: Define conditional MCMODEL_MEDIUM.
2803 * testsuite/Makefile.am (check_PROGRAMS): Add large.
2804 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2805 (large_LDFLAGS): Define.
2806 * testsuite/large.c: New file.
2807 * testsuite/testfile.cc (Target_test::test_target_info):
2808 Initialize new fields.
2809 * configure, testsuite/Makefile.in: Rebuild.
2811 2009-06-05 Doug Kwan <dougkwan@google.com>
2813 * Makefile.am (CCFILES): Add target.cc.
2814 * Makefile.in: Regenerate.
2815 * i386.cc (class Target_i386): Define new virtual method to
2816 override do_is_local_label_name in parent.
2817 * object.cc (Sized_relobj::do_count_local_symbols): Discard
2818 local symbols if --discard-locals or -X is given.
2819 * options.h (class General_options): Declare new options
2820 '--discard-locals' and '-X' for discarding locals.
2821 * target.h (class Target): Define new methods is_local_label_name.
2822 Declare new virtual method do_is_local_label_name.
2823 * target.cc: New file.
2824 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2825 (check_SCRIPTS): Add discard_locals_test.sh.
2826 (check_DATA): Add discard_local_tests.syms.
2827 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2828 (discard_local_tests.syms, discard_locals_test.o): New make rules.
2829 * testsuite/Makefile.in: Regenerate.
2830 * testsuite/discard_locals_test.c: New file.
2831 * testsuite/discard_locals_test.sh: Same.
2833 2009-06-05 Doug Kwan <dougkwan@google.com>
2835 * object.cc (Sized_relobj::Sized_relobj): Initialize
2836 discarded_eh_frame_shndx_ to -1U.
2837 (Sized_relobj::do_layout): Record index of a discard .eh_frame
2839 (Sized_relobj::do_count_local_symbols): Skip local symbols in
2840 a discarded .eh_frame section.
2841 (Sized_relobj::do_finalize_local_symbols): Ditto.
2842 * object.h (class Sized_relobj): Declare new member
2843 discarded_eh_frame_shndx_.
2844 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2845 (local_labels_test.o, local_labels_test): New rules.
2846 * testsuite/Makefile.in: Regenerate.
2848 2009-06-04 Doug Kwan <dougkwan@google.com>
2850 * layout.cc (Layout::section_name_mapping): Add mapping for
2851 special ARM sections.
2853 2009-06-03 Doug Kwan <dougkwan@google.com>
2855 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2856 (utils::has_overflow): Same.
2858 2009-06-03 Ian Lance Taylor <iant@google.com>
2860 * layout.cc (Layout::section_name_mapping): New array, replacing
2861 Layout::linkonce_mapping.
2862 (Layout::section_name_mapping_count): New variable, replacing
2863 Layout::linkonce_mapping_count.
2864 (Layout::linkonce_output_name): Remove.
2865 (Layout::output_section_name): Rewrite.
2866 * layout.h (class Layout): Rename Linkonce_mapping to
2867 Section_name_mapping, linkonce_mapping to section_name_mapping,
2868 linkonce_mapping_count to section_name_mapping_count. Don't
2869 declare linkonce_output_name.
2871 2009-06-03 Doug Kwan <dougkwan@google.com>
2873 * gold/arm.cc (namespace utils): New.
2874 (Target_arm::reloc_is_non_pic): Define new method.
2875 (class Arm_relocate_functions): New.
2876 (Target_arm::Relocate::relocate): Handle relocation types used by
2879 2009-06-03 Ian Lance Taylor <iant@google.com>
2881 * arm.cc (Target_arm::scan::global): Use || instead of |.
2883 2009-06-02 Doug Kwan <dougkwan@google.com>
2885 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
2886 issued_non_pic_error_.
2887 (class Target_arm::Scan): Declare new method check_non_pic.
2888 Define new method symbol_needs_plt_entry.
2889 Declare new data member issued_non_pic_error_.
2890 (class Target_arm::Relocate): Declare new method
2891 should_apply_static_reloc.
2892 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2893 (Target_arm::Scan::check_non_pic): Define new method.
2894 (Target_arm::Scan::local): Handle a small subset of reloc types used
2896 (Target_arm::Scan::local): Same.
2897 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2899 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
2901 * incremental.cc (Incremental_inputs::report_command_line): Filter
2902 out --incremental-* options.
2904 2009-05-29 Doug Kwan <dougkwan@google.com>
2906 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2908 (class Target_arm): Update comment.
2909 (Target_arm::Target_arm): Initialize new data members GOT_,
2910 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2911 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2912 and Target_arm::rel_dyn_section.
2913 Declare new_enum Target_arm::Got_type.
2914 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2916 Update commments for member do_dynsym_value.
2917 (Target_arm::got_size, Target_arm::plt_section,
2918 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2919 new methods inside class defintion.
2920 (Target_arm::got_section): Define new method.
2921 (Target_arm::rel_dyn_section): Same.
2922 (Output_data_plt_arm): New template class.
2923 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2924 (Output_data_plt_arm:do_adjust_output_section): Define new method.
2925 (Output_data_plt_arm::add_entry): Same.
2926 (Output_data_plt_arm::first_plt_entry): Define new
2927 static data member for PLT instruction template.
2928 (Output_data_plt_arm::plt_entry): Same.
2929 (Output_data_plt_arm::do_write): Define new method.
2930 (Target_arm::make_plt_entry): Same.
2931 (Target_arm::do_finalize_sections): Same.
2932 (Target_arm::do_dynsym_value): Same.
2934 2009-05-28 Doug Kwan <dougkwan@google.com>
2936 * Makefile.am (TARGETSOURCES): Add arm.cc.
2937 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2938 * Makefile.in: Regenerate.
2940 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2942 2009-05-26 Doug Kwan <dougkwan@google.com>
2944 * options.cc (General_options::parse_exclude_libs). Fix a comment.
2945 (General_options::check_excluded_libs): Strip off directories in
2946 archive name before matching like GNU ld does.
2947 * testsuite/Makefile.am (MOSTLYCLEANFILES,
2948 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2949 (exclude_libs_test_LDFLAGS): Add linker option
2950 -Wl,--exclude-libs,libexclude_libs_test_3
2951 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2952 an explicit archive without using -l.
2953 (alt/libexclude_libs_test_3.a): New make rule.
2954 * testsuite/Makefile.in: Regenerate.
2955 * testsuite/exclude_libs_test.c : Declare lib3_default().
2957 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2958 * exclude_libs_test_3.c: New file.
2960 2009-05-26 Nick Clifton <nickc@redhat.com>
2962 * po/id.po: New Indonesian translation.
2963 * po/gold.pot: Updated template file.
2965 2009-05-22 Sriraman Tallam <tmsriram@google.com>
2967 * testsuite/Makefile.am: Add -ffunction-sections to compile
2968 gc_comdat_test files. Add -Wl,--gc-sections to build
2970 * testsuite/Makefile.in: Regenerate.
2971 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2973 2009-05-21 Sriraman Tallam <tmsriram@google.com>
2975 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2976 kept comdat section was garbage collected.
2977 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2978 * testsuite/Makefile.in: Regenerate.
2979 * testsuite/gc_comdat_test.sh: New file.
2980 * testsuite/gc_comdat_test_1.cc: New file.
2981 * testsuite/gc_comdat_test_2.cc: New file.
2983 2009-05-19 Doug Kwan <dougkwan@google.com>
2985 * archive.cc (Archive::Archive): Move constructor from archive.h
2986 to here. Initialize no_export_.
2987 (Archive::get_elf_object_for_member): Set no_export flag of object.
2988 * archive.h (Archive::Archive): Move constructor body to
2990 (Archive::no_export): New method.
2991 (Archive::no_export_): New field.
2992 * object.h (Object::Object): Initialize no_export_ to false.
2993 (Object::no_export, Object::set_no_export): New methods.
2994 (Object::no_export_): New field.
2995 * options.cc (General_options::parse_exclude_libs): New method.
2996 (General_options::check_excluded_libs) Same.
2997 * options.h (exclude_libs): New option.
2998 (General_options::check_excluded_libs): New method declaration.
2999 (General_options::excluded_libs_): New field.
3000 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3001 default or protected visibility if an object has no-export flag set.
3002 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3003 (check_SCRIPTS): Add exclude_libs_test.sh.
3004 (check_DATA): Add exclude_libs_test.syms.
3005 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3006 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3007 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3008 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3009 (exclude_libs_test.syms, libexclude_libs_test_1.a,
3010 libexclude_libs_test_2.a): New rules.
3011 * testsuite/Makefile.in: Regenerate.
3012 * testsuite/exclude_libs_test.c: New file.
3013 * testsuite/exclude_libs_test.sh: Ditto.
3014 * testsuite/exclude_libs_test_1.c: Ditto.
3015 * testsuite/exclude_libs_test_2.c: Ditto.
3017 2009-05-15 Ian Lance Taylor <iant@google.com>
3019 * configure.ac: Check for declarations for cases where libiberty.h
3020 checks HAVE_DECL_xxx.
3021 * configure, config.in: Rebuild.
3023 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
3025 * gold.h (Incremental_argument_list): Remove (invalid) forward
3027 * incremental.cc (Incremental_inputs::report_achive): New method.
3028 (Incremental_inputs::report_object): New method.
3029 (Incremental_inputs::report_script): New method.
3030 (Incremental_inputs::finalize_inputs): New method.
3031 (Incremental_inputs::finalize): Call finalize_inputs().
3032 (Incremental_inputs::sized_create_incremental_inputs_section_data):
3033 Create inputs entries.
3034 * incremental.h (Incremental_input_type): New enum.
3035 (Incremental_inputs::Incremental_input): Initialize new fields.
3036 (Incremental_inputs::report_inputs): New method.
3037 (Incremental_inputs::report_achive): New method.
3038 (Incremental_inputs::report_object): New method.
3039 (Incremental_inputs::report_script): New method.
3040 (Incremental_inputs::finalize_inputs): New method.
3041 (Incremental_inputs::Input_info): New struct.
3042 (Incremental_inputs::Input_info_map): New typedef.
3043 (Incremental_inputs::lock_): New field.
3044 (Incremental_inputs::Inputs_): New field.
3045 (Incremental_inputs::Inputs_map): New field.
3046 * main.cc (main): Call Incremental_input::report_inputs.
3047 * options.h (Input_argument_list): Typedef moved from
3049 (Input_file_group::Files): Remove, use ::Input_argument_list.
3050 (Input_file_group::Input_argument_list): Remove, use
3051 ::Input_argument_list.
3052 * plugin.cc (Plugin_manager::add_input_file): Add error in
3054 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3056 * script.cc (read_input_script): Call
3057 Incremental_input::report_script.
3058 * script.h (Script_info): New class.
3060 2009-04-27 Ian Lance Taylor <iant@google.com>
3062 * x86_64.cc (do_adjust_output_section): Set entsize to
3065 2009-04-23 Elliott Hughes <enh@google.com>
3067 * output.cc (Output_file::close): After short writes, continue
3068 writing from the correct offset in the buffer being written.
3070 2009-04-23 Chris Demetriou <cgd@google.com>
3072 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3073 * configure: Regenerate.
3074 * config.in: Regenerate.
3075 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
3076 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
3078 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
3080 * incremental.cc (Incremental_inputs_header_data): Renamed from
3081 Incremental_input_header_data.
3082 (Incremental_inputs_header_data::data_size): New field.
3083 (Incremental_inputs_header_data::put_input_file_count): Renamed
3084 from input_file_count.
3085 (Incremental_inputs_header_data::put_command_line_offset): Renamed
3086 from command_line_offset.
3087 (Incremental_inputs_header_data::put_reserved): Renamed from
3089 (Incremental_inputs_entry_data): Renamed from
3090 Incremental_input_entry_data.
3091 (Incremental_inputs_entry_data::data_size): New field.
3092 (Incremental_inputs::report_command_line): New method.
3093 (Incremental_inputs::finalize): New method.
3094 (Incremental_inputs::create_incremental_inputs_data): New method.
3095 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
3096 * incremental.h: New file.
3097 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
3098 (Layout::finalize): Create incremental inputs section in
3100 (Layout::create_incremental_info_sections): New method.
3101 * layout.h (Layout::incremental_inputs): New method.
3102 (Layout::create_incremental_info_sections): New method.
3103 (Layout::incremental_inputs_): New field.
3104 * main.cc (main): Notify Incremental_input of the command line.
3106 2009-04-01 Ian Lance Taylor <iant@google.com>
3107 Mikolaj Zalewski <mikolajz@google.com>
3109 * gold.h (reserve_unordered_map): Define, three versions, one for
3110 each version of Unordered_map.
3111 * layout.cc (Layout::Layout): Remove options parameter. Add
3112 number_of_input_files parameter. Don't initialize options_.
3113 Initialize number_of_input_files_ and resized_signatures_. Move
3114 sections_are_attached_.
3115 (Layout::layout_group): Reserve space for group_signatures_.
3116 (Layout::find_or_add_kept_section): Change name parameter to be a
3117 reference. Resize signatures_ map when it gets large enough.
3118 (Layout::layout_eh_frame): Use parameters->options() instead of
3120 (Layout::make_output_section): Likewise.
3121 (Layout::attach_allocated_section_to_segment): Likewise.
3122 (Layout::finalize, Layout::create_executable_stack): Likewise.
3123 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
3124 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
3125 * layout.h (class Layout): Update declarations. Remove options_
3126 field. Add number_of_input_files_ and resized_signatures_
3127 fields. Move sections_are_attached_ field.
3128 * main.cc (main): Pass number of input files to Layout
3129 constructor. Don't pass options.
3131 2009-03-30 Ian Lance Taylor <iant@google.com>
3133 * ffsll.c (ffsll): Correct implementation.
3135 2009-03-27 Ian Lance Taylor <iant@google.com>
3137 * ffsll.c: New file.
3138 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
3139 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
3140 * ftruncate.c (ftruncate): Declare before definition.
3141 * mremap.c (mremap): Likewise.
3142 * pread.c (pread): Likewise.
3143 * configure, Makefile.in, config.in: Rebuild.
3145 * mremap.c: New file.
3146 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
3147 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
3148 (mremap): Declare if HAVE_MREMAP is not defined.
3149 * configure, Makefile.in, config.in: Rebuild.
3151 2009-03-27 Cary Coutant <ccoutant@google.com>
3153 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
3154 position independent.
3155 * sparc.cc (Target_sparc::check_non_pic): Likewise.
3156 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
3158 2009-03-24 Cary Coutant <ccoutant@google.com>
3160 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
3162 (needs_dynamic_reloc): Likewise.
3164 2009-03-24 Ian Lance Taylor <iant@google.com>
3166 * yyscript.y (file_cmd): Recognize EXTERN.
3167 (extern_name_list, extern_name_list_body): New nonterminals.
3168 * script.cc (script_add_extern): Define.
3169 * script-c.h (script_add_extern): Declare.
3171 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
3173 * object.cc (is_elf_object): Define.
3174 * object.h (is_elf_object): Declare.
3175 * archive.cc (Archive::get_elf_object_for_member): Call
3177 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
3179 2009-03-24 Elliott Hughes <enh@google.com>
3181 * output.cc (Output_file::map_anonymous): Define.
3182 (Output_file::map): Use map_anonymous. If the regular mmap fails,
3183 try an anonymous one. Report the size if the mmap fails.
3184 * output.h (class Output_file): Declare map_anonymous.
3186 2009-03-24 Ian Lance Taylor <iant@google.com>
3188 * target-select.cc (instantiate_target): Don't acquire the lock if
3189 the instantiated_target_ field has already been set.
3191 2009-03-23 Ian Lance Taylor <iant@google.com>
3193 * gold-threads.h (class Initialize_lock): Define.
3194 * gold-threads.cc (class Initialize_lock_once): Define.
3195 (initialize_lock_control): New static variable.
3196 (initialize_lock_pointer): New static variable.
3197 (initialize_lock_once): New static function.
3198 (Initialize_lock::Initialize_lock): Define.
3199 (Initialize_lock::initialize): Define.
3200 * target-select.h: Include "gold-threads.h".
3201 (class Target_selector): Add lock_ and initialize_lock_ fields.
3202 Don't define instantiate_target, just declare it.
3203 * target-select.cc (Target_selector::Target_selector): Initialize
3205 (Target_selector::instantiate_target): Define.
3206 * descriptors.h: Include "gold-threads.h".
3207 (class Descriptors): Add initialize_lock_ field.
3208 * descriptors.cc (Descriptors::Descriptors): Initialize new
3210 (Descriptors::open): Use initialize_lock_ field
3211 * errors.h (class Errors): Add initialize_lock_ field.
3212 * errors.cc (Errors::Errors): Initialize new field.
3213 (Errors::initialize_lock): Use initialize_lock_ field.
3214 * powerpc.cc (class Target_selector_powerpc): Remove
3215 instantiated_target_ field. In do_recognize call
3216 instantiate_target rather than do_instantiate_target. In
3217 do_instantiate_target just allocate a new target.
3218 * sparc.cc (class Target_selector_sparc): Likewise.
3220 * freebsd.h: New file.
3221 * i386.cc: Include "freebsd.h".
3222 (Target_i386): Derive from Target_freebsd rather than
3224 (Target_selector_i386): Derive from Target_selector_freebsd rather
3225 than Target_selector.
3226 * x86_64.cc: Include "freebsd.h".
3227 (Target_x86_64): Derive from Target_freebsd rather than
3229 (Target_selector_x86_64): Derive from Target_selector_freebsd
3230 rather than Target_selector.
3231 * target.h (class Target): Add adjust_elf_header and
3232 do_adjust_elf_header.
3233 * output.cc (Output_file_header:: do_sized_write): Call target
3234 adjust_elf_header routine.
3235 * configure.tgt: Set targ_osabi.
3236 * configure.ac: Define GOLD_DEFAULT_OSABI.
3237 * parameters.cc (Parameters::default_target): Pass
3238 GOLD_DEFAULT_OSABI to select_target.
3239 * target-select.h (class Target_selector): Make instantiate_target
3240 protected rather than private.
3241 * Makefile.am (HFILES): Add freebsd.h.
3242 * configure, Makefile.in, config.in: Rebuild.
3244 * merge.cc (do_add_input_section): Correct pend value. Change
3245 message about last entry not being null terminated from error to
3248 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
3250 * incremental.cc: New file.
3251 * Makefile.am (CCFILES): Add incremental.cc.
3252 * Makefile.in: Rebuild.
3254 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
3256 * layout.cc (Layout::output_section_name): Preserve names
3257 of '.note.' sections.
3259 2009-03-19 Ian Lance Taylor <iant@google.com>
3261 * descriptors.cc (Descriptors::open): Check that the options are
3262 valid before using them.
3264 2009-03-18 Ian Lance Taylor <iant@google.com>
3266 * script-sections.h: Include <list>.
3267 (class Script_sections): Change Sections_elements from std::vector
3268 to std::list. Typedef public Elements_iterator. Add
3269 orphan_section_placement_, data_segment_align_start_, and
3270 saw_data_segment_align_ fields. Remove data_segment_align_index_
3272 * script-sections.cc (class Orphan_section_placement): New class.
3273 (class Sections_element): Add virtual functions is_relro and
3274 orphan_section_init. Remove virtual function place_orphan_here.
3275 (class Output_section_definition): Add is_relro and
3276 orphan_section_init. Remove place_orphan_here.
3277 (class Orphan_output_section): Likewise.
3278 (Script_sections::Script_sections): Update for field changes.
3279 (Script_sections::data_segment_align): Set saw_data_segment_align_
3280 and data_segment_align_start_, not data_segment_align_index.
3281 (Script_sections::data_segment_relro_end): Check
3282 saw_data_segment_align_. Use data_segment_align_start_ rather
3283 than data_segment_align_index_.
3284 (Script_sections::place_orphan): Rewrite to use
3285 Orphan_section_placement.
3287 2009-03-17 Ian Lance Taylor <iant@google.com>
3289 * archive.cc (Archive::add_symbols): Check for a version attached
3290 to the symbol name in the archive map.
3291 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3292 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3293 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3294 (ver_test_11.a): New target.
3295 * testsuite/Makefile.in: Rebuild.
3297 * configure.ac: Check for chsize and posix_fallocate. Replace
3299 * ftruncate.c: New file, from gnulib.
3300 * output.cc (posix_fallocate): Define dummy version if not
3301 HAVE_POSIX_FALLOCATE.
3302 (Output_file::map): Call posix_fallocate rather than lseek and
3304 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3305 * configure, Makefile.in, config.in: Rebuild.
3307 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
3309 * layout.h (Layout::create_note): Add section_name parameter.
3310 * layout.cc (Layout::create_note): Likewise.
3311 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3313 2009-03-17 Ian Lance Taylor <iant@google.com>
3315 * descriptors.cc: Include "options.h".
3316 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3317 (Descriptors::open): Always use O_CLOEXEC when opening a new
3318 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
3319 then set FD_CLOEXEC.
3321 * sparc.cc (class Target_sparc): Add has_got_section.
3322 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3323 make sure we have a GOT section.
3325 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3326 (Target_sparc::Scan::local): Likewise.
3327 (Target_sparc::Scan::global): Likewise.
3328 (Target_sparc::Relocate::relocate): Likewise.
3329 (Target_sparc::Relocate::relocate_tls): Likewise.
3331 * symtab.cc (Symbol_table::define_default_version): New function,
3332 broken out of add_from_object.
3333 (Symbol_table::add_from_object): Call define_default_version.
3334 (Symbol_table::define_special_symbol): Add resolve_oldsym
3335 parameter. Change all callers. If the version for a symbol comes
3336 from a version script, resolve it with the symbol with the same
3337 name with no version. Also add the symbol without a version if
3339 (do_define_in_output_data): If resolving with oldsym, don't delete
3341 (do_define_in_output_segment): Likewise.
3342 (do_define_as_constant): Likewise.
3343 * symtab.h (class Symbol_table): Update declarations.
3345 2009-03-13 Ian Lance Taylor <iant@google.com>
3347 * readsyms.cc (Read_symbols::incompatible_warning): New function.
3348 (Read_symbols::requeue): New function.
3349 (Read_symbols::do_read_symbols): If make_elf_object fails because
3350 the target type is not configured, and the file was searched for,
3351 issue a warning and retry with the next directory.
3352 (Add_symbols::run): If the file has an incompatible format, and
3353 it was searched for, requeue the Read_symbols task. On error,
3355 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
3356 dirindex parameter to constructor. Change all callers. Declare
3357 incompatible_warning and requeue.
3358 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3359 input_argument_ and input_group_ fields. Add them to
3360 constructor. Change all callers.
3361 (class Read_script): Add dirindex_ field. Add it to constructor.
3363 * archive.cc (Archive::setup): Remove input_objects parameter.
3365 (Archive::get_file_and_offset): Likewise.
3366 (Archive::read_all_symbols): Likewise.
3367 (Archive::read_symbols): Likewise.
3368 (Archive::get_elf_object_for_member): Remove input_objects
3369 parameter. Add punconfigured parameter. Change all callers.
3370 (Archive::add_symbols): Change return type to bool. Check return
3371 value of include_member.
3372 (Archive::include_all_members): Likewise.
3373 (Archive::include_member): Change return type to bool. Return
3374 false if first included object has incompatible target. Set
3375 included_member_ field.
3376 (Add_archive_symbols::run): If add_symbols returns false, requeue
3378 * archive.h (class Archive): Add included_member_ field.
3379 Initialize it in constructor. Add input_file and searched_for
3380 methods. Update declarations.
3381 (class Add_archive_symbols): Add dirpath_, dirindex_, and
3382 input_argument_ fields. Add them to constructor. Change all
3384 * script.cc: Include "target-select.h".
3385 (class Parser_closure): Add skip_on_incompatible_target_ and
3386 found_incompatible_target_ fields. Add
3387 skip_on_incompatible_target parameter to constructor. Change all
3388 callers. Add methods skip_on_incompatible_target,
3389 clear_skip_on_incompatible_target, found_incompatible_target, and
3390 set_found_incompatible_target.
3391 (read_input_script): Add dirindex parameter. Change all callers.
3392 If parser finds an incompatible target, requeue Read_symbols
3394 (script_set_symbol): Clear skip_on_incompatible_target in
3396 (script_add_assertion, script_parse_option): Likewise.
3397 (script_start_sections, script_add_phdr): Likewise.
3398 (script_check_output_format): New function.
3399 * script.h (read_input_script): Update declaration.
3400 * script-c.h (script_check_output_format): Declare.
3401 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3402 (ignore_cmd): Remove OUTPUT_FORMAT.
3403 * fileread.cc (Input_file::Input_file): Add explicit this.
3404 (Input_file::will_search_for): New function.
3405 (Input_file::open): Add pindex parameter. Change all callers.
3406 * fileread.h (class Input_file): Add input_file_argument method.
3407 Declare will_search_for. Update declarations.
3408 * object.cc (make_elf_object): Add punconfigured parameter.
3410 * object.h (class Object): Make input_file public. Add
3411 searched_for method.
3412 (make_elf_object): Update declaration.
3413 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
3415 * dirsearch.h (class Dirsearch): Update declaration.
3416 * options.h (class General_options): Add --warn-search-mismatch.
3417 * parameters.cc (Parameters::is_compatible_target): New function.
3418 * parameters.h (class Parameters): Declare is_compatible_target.
3419 * workqueue.cc (Workqueue::add_blocker): New function.
3420 * workqueue.h (class Workqueue): Declare add_blocker.
3422 * fileread.cc (Input_file::open): Remove options parameter.
3424 (Input_file::open_binary): Likewise.
3425 * script.cc (read_input_script): Likewise.
3426 * readsyms.h (class Read_symbols): Remove options_ field. Remove
3427 options parameter from constructor. Change all callers.
3428 (class Read_script): Likewise.
3429 * fileread.h (class Input_file): Update declarations.
3430 * script.h (read_input_script): Update declaration.
3432 2009-03-10 Nick Clifton <nickc@redhat.com>
3434 * po/es.po: New Spanish translation.
3436 2009-03-06 Cary Coutant <ccoutant@google.com>
3438 * options.cc (parse_short_option): Keep dash_z from registering itself.
3440 2009-03-03 Ian Lance Taylor <iant@google.com>
3443 * target-reloc.h (relocate_section): Pass output_section to
3445 * i386.cc (Target_i386::should_apply_static_reloc): Add
3446 output_section parameter. Change all callers.
3447 (Target_i386::Relocate::relocate): Add output_section parameter.
3448 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3449 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3450 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3451 * testsuite/two_file_shared.sh: New script.
3452 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3453 (check_DATA): Add two_file_shared.dbg.
3454 (two_file_shared.dbg): New target.
3455 * testsuite/Makefile.in: Rebuild.
3457 2009-03-01 Ian Lance Taylor <iant@google.com>
3459 * configure.ac: Check for byteswap.h.
3460 * configure: Rebuild.
3461 * config.in: Rebuild.
3463 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
3465 * layout.cc (Layout::find_or_add_kept_section): New function.
3466 (Layout::add_comdat): Removed.
3467 * layout.h (struct Kept_section): Move out of class Layout.
3468 Remove trailing underscores from field names. Add group_sections
3469 field. Rename group_ field to is_group. Change all uses.
3470 (class Layout): Declare find_or_add_kept_section, not add_comdat.
3471 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3472 comdat_groups_ field.
3473 (Sized_relobj::include_section_group): Use
3474 find_or_add_kept_section and Kept_section::group_sections.
3475 (Sized_relobj::include_linkonce_section): Likewise.
3476 * object.cc (class Sized_relobj): Don't define Comdat_group or
3477 Comdat_group_table. Remove find_comdat_group and
3478 add_comdat_group. Remove comdat_groups_ field.
3479 * plugin.cc (include_comdat_group): Use
3480 Layout::find_or_add_kept_section.
3482 2009-02-28 Ian Lance Taylor <iant@google.com>
3484 * README: --gc-sections and map files are now supported. Document
3485 some build requirements.
3488 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3489 relocatable link set the value of the section symbol to zero.
3490 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3491 relocatable link don't include the section address in the local
3494 2009-02-27 Ian Lance Taylor <iant@google.com>
3497 * options.h (class Search_directory): Add is_system_directory.
3498 (class General_options): Declare is_in_system_directory.
3499 * options.cc (get_relative_sysroot): Make static.
3500 (get_default_sysroot): Make static.
3501 (General_optoins::is_in_system_directory): New function.
3502 * fileread.cc (Input_file::is_in_system_directory): New function.
3503 * fileread.h (class Input_file): Declare is_in_system_directory.
3504 * object.h (class Object): Add is_in_system_directory.
3505 (class Input_objects): Remove system_library_directory_ field.
3506 * object.cc (Input_objects::add_object): Don't set
3507 system_library_directory_.
3508 (input_objects::found_in_system_library_directory): Remove.
3509 * symtab.cc (Symbol_table::write_globals): Remove input_objects
3510 parameter. Change all callers.
3511 (Symbol_table::sized_write_globals): Likewise.
3512 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3513 Call Object::is_in_system_directory.
3514 * symtab.h (class Symbol_table): Update declarations.
3517 * descriptors.h (Open_descriptor): Add is_on_stack field.
3518 * descriptors.cc (Descriptors::open): If the descriptor is on the
3519 top of the stack, remove it. Initialize is_on_stack field.
3520 (Descriptors::release): Only add pod to stack if it is not on the
3522 (Descriptors::close_some_descriptor): Clear stack_next and
3526 * output.cc (Output_section::find_starting_output_address): Rename
3527 from starting_output_address; add PADDR parameter; change return
3529 * output.h (class Output_section): Declare
3530 find_starting_output_address instead of starting_output_address.
3531 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3532 section symbol for which we can't find a merge section.
3535 * symtab.cc (Symbol_table::add_from_object): If the visibility is
3536 hidden or internal, force the symbol to be local.
3537 * resolve.cc (Symbol::override_visibility): Define.
3538 (Symbol::override_base): Use override_visibility.
3539 (Symbol_table::resolve): Likewise.
3540 (Symbol::override_base_with_special): Likewise.
3541 (Symbol_table::override_with_special): If the visibility is hidden
3542 or internal, force the symbol to be local.
3543 * symtab.h (class Symbol): Add set_visibility and
3544 override_visibility.
3545 * testsuite/ver_test_1.sh: New file.
3546 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3547 (check_DATA): Add ver_test_1.syms.
3548 (ver_test_1.syms): New target.
3549 * testsuite/Makefile.in: Rebuild.
3551 2009-02-25 Cary Coutant <ccoutant@google.com>
3553 * layout.cc (Layout::choose_output_section): Don't rename sections
3554 when using a linker script that has a SECTIONS clause.
3555 * Makefile.in: Regenerate.
3557 * testsuite/Makefile.am (script_test_5.sh): New test case.
3558 * testsuite/Makefile.in: Regenerate.
3559 * testsuite/script_test_5.cc: New file.
3560 * testsuite/script_test_5.sh: New file.
3561 * testsuite/script_test_5.t: New file.
3563 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
3565 * archive.cc (Archive::include_member): Update calls to add_symbols.
3566 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3567 the Layout argument.
3568 * dynobj.h (do_add_symbols): Add the Layout argument.
3569 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3571 * object.h (Object::add_symbols): Add the Layout argument.
3572 (Object::do_add_symbols): Add the Layout argument.
3573 (Sized_relobj::do_add_symbols): Add the Layout argument.
3574 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3575 Unify the two versions.
3576 (Add_plugin_symbols): Remove.
3577 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3578 (Sized_pluginobj::do_add_symbols): Unify the two versions.
3579 (Add_plugin_symbols): Remove.
3580 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3581 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3582 (Add_symbols::run): Make it work with Pulginobj.
3584 2009-02-06 Ian Lance Taylor <iant@google.com>
3586 * object.cc (Sized_relobj::do_layout): Make info message start
3587 with lower case letter.
3589 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
3591 * binary.cc: Fix file comment.
3593 * options.h (enum Incremental_disposition): Define.
3594 (class General_options): Add new options: --incremental,
3595 --incremental_changed, --incremental_unchanged,
3596 --incremental_unknown. Add incremental_disposition_ and
3597 implicit_incremental_ fields.
3598 (General_options::incremental_disposition): New function.
3599 (class Position_dependent_options): Add incremental_disposition
3601 (Position_dependent_options::copy_from_options): Set incremental
3603 * options.cc (General_options::parse_incremental_changed): New
3605 (General_options::parse_incremental_unchanged): New function.
3606 (General_options::parse_incremental_unknown): New function.
3607 (General_options::General_options): Initialize new fields
3608 incremental_disposition_ and implicit_incremental_.
3609 (General_options::finalize): Check for uasge of --incremental-*
3610 without --incremental.
3612 2009-02-06 Chris Demetriou <cgd@google.com>
3614 * gold.h (gold_undefined_symbol): Change to take only a Symbol
3615 pointer and to report location as the file name associated with
3617 (gold_undefined_symbol_at_location): New function to replace the
3618 old gold_undefined_symbol functionality.
3619 * target-reloc.h (relocate_section): Update to use
3620 gold_undefined_symbol_at_location.
3621 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3622 Call gold_undefined_symbol function rather than gold_error.
3623 * errors.h (Errors::undefined_symbol): Take location as a
3624 string, rather than calculating it from a relocation.
3625 * errors.cc (Errors::fatal): Print "fatal error:" before the
3627 (Errors::error, Errors::error_at_location): Print "error: "
3628 before the formatted message.
3629 (Errors::undefined_symbol): Take location as a string, rather
3630 than calculating it from a relocation.
3631 (gold_undefined_symbol_at_location): New function akin to
3632 old gold_undefined_symbol, calculates location from relocation.
3633 (gold_undefined_symbol): Change to take only a Symbol pointer
3634 and to report location as the file name associated with the symbol.
3635 * testsuite/debug_msg.sh: Update for changed error messages.
3636 * testsuite/undef_symbol.sh: Likewise.
3638 2009-02-04 Duncan Sands <baldrick@free.fr>
3641 * reduced_debug_output.h
3642 (Output_reduced_debug_abbrev_section::failed): Use format for
3644 (Output_reduced_debug_info_section::faild): Likewise.
3646 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
3648 * script.cc (Lazy_demangler): New class.
3649 (Version_script_info::get_symbol_version_helper): Demangle a
3652 2009-01-29 Cary Coutant <ccoutant@google.com>
3654 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3656 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3658 2009-01-28 Ian Lance Taylor <iant@google.com>
3660 * version.cc (version_string): Bump to 1.9.
3662 * gold.h: Include <cstring> and <stdint.h>.
3663 * version.cc: Include <cstdio>.
3664 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3666 * reduced_debug_output.cc (insert_into_vector): Rename from
3667 Insert_into_vector; change all callers. Use Swap_unaligned to
3668 avoid aliasing issue; remove union since it is unnecessary.
3670 2009-01-27 Sriraman Tallam <tmsriram@google.com>
3672 * Makefile.am (CCFILES): Add gc.cc.
3674 * Makefile.in: Regenerate.
3675 * gold.cc (Gc_runner): New class.
3676 (queue_initial_tasks): Call garbage collection related tasks
3677 when corresponding options are invoked.
3678 (queue_middle_gc_tasks): New function.
3679 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3680 processed early before laying out sections during garbage collection.
3681 * gold.h (queue_middle_gc_tasks): New function.
3682 (is_prefix_of): Move from "layout.cc".
3683 * i386.cc (Target_i386::gc_process_relocs): New function.
3684 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3685 * main.cc (main): Create object of class "Garbage_collection".
3686 * object.cc (Relobj::copy_symbols_data): New function.
3687 (Relobj::is_section_name_included): New function.
3688 (Sized_relobj::do_layout): Allow this function to be called twice
3689 during garbage collection and defer layout of section during the
3691 * object.h (Relobj::get_symbols_data): New function.
3692 (Relobj::is_section_name_included): New function.
3693 (Relobj::copy_symbols_data): New function.
3694 (Relobj::set_symbols_data): New function.
3695 (Relobj::get_relocs_data): New function.
3696 (Relobj::set_relocs_data): New function.
3697 (Relobj::is_output_section_offset_invalid): New pure virtual function.
3698 (Relobj::gc_process_relocs): New function.
3699 (Relobj::do_gc_process_relocs): New pure virtual function.
3700 (Relobj::sd_): New data member.
3701 (Sized_relobj::is_output_section_offset_invalid): New function.
3702 (Sized_relobj::do_gc_process_relocs): New function.
3703 * options.h (General_options::gc_sections): Modify to not be a no-op.
3704 (General_options::print_gc_sections): New option.
3705 * plugin.cc (Plugin_finish::run): Remove function call to
3706 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
3707 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3708 * reloc.cc (Read_relocs::run): Add task to process relocs and
3709 determine unreferenced sections when doing garbage collection.
3710 (Gc_process_relocs): New class.
3711 (Sized_relobj::do_gc_process_relocs): New function.
3712 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3713 sections that are garbage collected.
3714 * reloc.h (Gc_process_relocs): New class.
3715 * sparc.cc (Target_sparc::gc_process_relocs): New function.
3716 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3717 symbols whose corresponding sections are garbage collected.
3718 (Symbol_table::Symbol_table): Add new parameter for the garbage
3720 (Symbol_table::gc_mark_undef_symbols): New function.
3721 (Symbol_table::gc_mark_symbol_for_shlib): New function.
3722 (Symbol_table::gc_mark_dyn_syms): New function.
3723 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3725 (Symbol_table::add_from_object): Likewise.
3726 (Symbol_table::add_from_relobj): When building shared objects, do not
3727 treat externally visible symbols as garbage.
3728 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3729 table information for static and relocatable links.
3730 * symtab.h (Symbol_table::set_gc): New function.
3731 (Symbol_table::gc): New function.
3732 (Symbol_table::gc_mark_undef_symbols): New function.
3733 (Symbol_table::gc_mark_symbol_for_shlib): New function.
3734 (Symbol_table::gc_mark_dyn_syms): New function.
3735 (Symbol_table::gc_): New data member.
3736 * target.h (Sized_target::gc_process_relocs): New pure virtual
3738 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3739 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3741 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
3743 * options.h (General_options::gc_sections): Define as a no-op for now.
3744 (General_options::no_keep_memory): Ditto.
3745 (General_options::Bshareable): Define.
3746 * options.cc (General_options::finalize): Honor -Bshareable.
3748 2009-01-20 Andreas Schwab <schwab@suse.de>
3750 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3751 read the value in the contents, since we don't use it. Use the
3752 template endianness when writing.
3753 (Relocate::relocate): Use it for R_PPC_REL16_HA.
3755 2009-01-19 Andreas Schwab <schwab@suse.de>
3757 * configure.tgt (powerpc64-*): Fix targ_obj.
3759 2009-01-15 Ian Lance Taylor <iant@google.com>
3761 * object.cc (Sized_relobj::write_local_symbols): Don't write out
3762 local symbols when stripping all symbols.
3764 2009-01-14 Cary Coutant <ccoutant@google.com>
3766 * output.cc (Output_reloc): Add explicit instantiations.
3768 2009-01-14 Cary Coutant <ccoutant@google.com>
3770 * archive.cc (Archive::get_elf_object_for_member): Remove call
3771 to File_read::claim_for_plugin.
3772 * descriptors.cc (Descriptors::open): Remove reference to
3774 (Descriptors::claim_for_plugin): Remove.
3775 * descriptors.h (Descriptors::claim_for_plugin): Remove.
3776 (Descriptors::is_claimed): Remove.
3777 (claim_descriptor_for_plugin): Remove.
3778 * fileread.cc (File_read::claim_for_plugin): Remove.
3779 * fileread.h (File_read::claim_for_plugin): Remove.
3780 (File_read::descriptor): Reopen descriptor if necessary.
3781 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
3782 (Plugin_manager::all_symbols_read): Add task parameter. Change
3784 (Plugin_manager::get_input_file): New function.
3785 (Plugin_manager::release_input_file): New function.
3786 (Pluginobj::Pluginobj): Add filesize parameter and initialize
3787 corresponding data member.
3788 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3789 and pass to base constructor. Change all callers.
3790 (get_input_file, release_input_file): New functions.
3791 (make_sized_plugin_object): Add filesize parameter. Change all callers.
3792 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3793 (Plugin_manager::all_symbols_read): Add task parameter.
3794 (Plugin_manager::get_input_file): New function.
3795 (Plugin_manager::release_input_file): New function.
3796 (Plugin_manager::task_): New data member.
3797 (Pluginobj::Pluginobj): Add filesize parameter.
3798 (Pluginobj::filename): New function.
3799 (Pluginobj::descriptor): New function.
3800 (Pluginobj::filesize): New function.
3801 (Pluginobj::filesize_): New data member.
3802 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3803 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3804 File_read::claim_for_plugin; use Object::unlock to unlock the file.
3806 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3807 with archive libraries.
3808 * testsuite/Makefile.in: Regenerate.
3809 * testsuite/plugin_test.c (struct sym_info): New type.
3810 (get_input_file, release_input_file): New static variables.
3811 (onload): Capture new transfer vector entries.
3812 (claim_file_hook): Stop reading at end of file according to filesize.
3813 Factor out parsing of readelf output into separate function.
3814 (all_symbols_read_hook): Exercise get_input_file and release_input_file
3815 APIs and get the source file name from the symbol table. Convert
3816 source file name to corresponding object file name. Print info
3817 message when adding new input files.
3818 (parse_readelf_line): New function.
3819 * testsuite/plugin_test_1.sh: Add checks for new info messages.
3820 * testsuite/plugin_test_2.sh: Likewise.
3821 * testsuite/plugin_test_3.sh: Likewise.
3822 * testsuite/plugin_test_4.sh: New test case.
3824 2009-01-07 Ian Lance Taylor <iant@google.com>
3826 * version.cc (version_string): Bump to 1.8.
3828 2008-12-23 Cary Coutant <ccoutant@google.com>
3830 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3831 * plugin.cc (Plugin_manager::finish): Rename as
3832 layout_deferred_objects. Move cleanup to separate function.
3833 (Plugin_manager::cleanup): New function.
3834 (Plugin_finish::run): Call layout_deferred_objects and cleanup
3836 * plugin.h (Plugin_manager::finish): Rename as
3837 layout_deferred_objects.
3838 (Plugin_manager::cleanup): New function.
3839 (Plugin_manager::cleanup_done): New field.
3841 2008-12-23 Cary Coutant <ccoutant@google.com>
3843 * plugin.cc (is_visible_from_outside): New function.
3844 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3845 so we don't return "IR only" status for exported symbols or -r links.
3847 * testsuite/Makefile.am (plugin_test_3): New test case.
3848 * testsuite/Makefile.in: Regenerate.
3849 * testsuite/plugin_test_3.sh: New file.
3851 2008-12-22 Cary Coutant <ccoutant@google.com>
3853 * object.cc (Sized_relobj::layout_section): New function.
3854 (Sized_relobj::do_layout): Defer layout of input sections until after
3855 plugin has provided replacement files.
3856 (Sized_relobj::do_layout_deferred_sections): New function.
3857 * object.h (Relobj::set_section_offset): Remove virtual keyword.
3858 (Relobj::layout_deferred_sections): New function.
3859 (Relobj::do_layout_deferred_sections): New function.
3860 (Sized_relobj::do_layout_deferred_sections): New function.
3861 (Sized_relobj::layout_section): New function.
3862 (Sized_relobj::Deferred_layout): New structure.
3863 (Sized_relobj::deferred_layout_): New field.
3864 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3865 Change all callers. Layout deferred sections.
3866 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
3868 (Plugin_hook::run): Move code from do_plugin_hook inline.
3869 (Plugin_hook::do_plugin_hook): Remove.
3870 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3871 (Plugin_manager::finish): Renamed, was cleanup.
3872 (Plugin_manager::should_defer_layout): New function.
3873 (Plugin_manager::add_deferred_layout_object): New function.
3874 (Plugin_manager::Deferred_layout_list): New type.
3875 (Plugin_manager::deferred_layout_objects_): New field.
3876 (Plugin_hook::do_plugin_hook): Remove.
3878 2008-12-17 Ian Lance Taylor <iant@google.com>
3880 * options.h (class General_options): Add --no case for
3883 2008-12-16 Cary Coutant <ccoutant@google.com>
3885 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3887 (Plugin_manager::claim_file): Create plugin object even if
3888 plugin did not call the add_symbols callback.
3889 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3890 asking for more symbols than were added.
3891 * testsuite/Makefile.am (plugin_test_1): Add test case with
3893 (empty.syms): New target.
3894 * testsuite/Makefile.in: Regenerate.
3895 * testsuite/plugin_test.c (claim_file_hook): Add new debug
3896 message. Don't call add_symbols if no globals.
3897 (all_symbols_read_hook): Don't provide replacement for empty
3900 2008-12-12 Ian Lance Taylor <iant@google.com>
3902 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3903 r_type == 0 for a local symbol with r_sym == 0.
3904 (scan_relocatable_relocs): Pass r_sym to
3905 local_non_section_strategy.
3906 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3909 * configure.ac: Update test for TLS descriptors: they are
3910 supported as of glibc 2.9.
3911 * configure: Rebuild.
3913 2008-12-11 Ian Lance Taylor <iant@google.com>
3916 * target-reloc.h (Default_scan_relocatable_relocs): For each
3917 function, map r_type == 0 to RELOC_DISCARD.
3919 2008-12-10 Cary Coutant <ccoutant@google.com>
3921 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3922 object to override a kept COMDAT group from a plugin object.
3924 2008-12-09 Ian Lance Taylor <iant@google.com>
3927 * yyscript.y (file_cmd): Handle INPUT.
3929 * testsuite/initpri1.c: Change all declarations to be full
3930 prototypes by adding void, to avoid compiler warnings.
3932 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
3934 * options.cc (General_options::parse_plugin_opt): New.
3935 (General_options::add_plugin): The argument now is just the filename.
3936 (General_options::add_plugin_option): New.
3937 * options.h (plugin_opt): New.
3938 (add_plugin): Change argument name.
3939 (add_plugin_option): New.
3940 * plugin.cc (Plugin::load): Don't parse the plugin option.
3941 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3942 (Plugin::add_option): New.
3943 (Plugin::args_): Change type.
3944 (Plugin::filename_): New.
3945 (Plugin_manager::add_plugin_option): New.
3946 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3947 * testsuite/Makefile.in: Regenerate.
3949 2008-12-05 Cary Coutant <ccoutant@google.com>
3951 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3952 Handle --strip-lto-sections option.
3953 * options.h (strip_lto_sections): New option.
3955 2008-12-01 Cary Coutant <ccoutant@google.com>
3957 * plugin.cc (ld_plugin_message): Change format parameter to const.
3958 Fix mismatch between new[] and delete.
3960 2008-11-14 Cary Coutant <ccoutant@google.com>
3962 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3965 2008-11-05 Craig Silverstein <csilvers@google.com>
3967 * options.cc (General_options::parse_dynamic_list): New function.
3968 * options.h (General_options): New flags dynamic_list,
3969 dynamic_list_data, dynamic_list_cpp_new, and
3970 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
3971 (General_options::in_dynamic_list): New function.
3972 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3973 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3974 (Lex::can_continue_name): Likewise.
3976 (read_script_file): New parameter script_options.
3977 (read_dynamic_list): New function.
3978 (Script_options::define_dynamic_list): New function.
3979 (dynamic_list_keyword_parsecodes): New variable.
3980 (dynamic_list_keywords): New variable.
3981 * script.h (Script_options::define_dynamic_list): New function
3983 (read_dynamic_list): New function prototype.
3984 * symtab.cc (strprefix): New macro.
3985 (Symbol::should_add_dynsym_entry): Support dynamic_list,
3986 dynamic_list_data, dynamic_list_cpp_new, and
3987 dynamic_list_cpp_typeinfo.
3988 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3989 (dynamic_list_expr): New rule.
3990 (dynamic_list_nodes): Likewise.
3991 (dynamic_list_node): Likewise.
3992 * testsuite/Makefile.am (dynamic_list): New test.
3993 * testsuite/Makefile.in: Regenerated.
3994 * testsuite/dynamic_list.t: New file.
3995 * testsuite/dynamic_list.sh: New file.
3997 2008-11-05 Craig Silverstein <csilvers@google.com>
3999 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4000 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4001 (t11_last): Likewise.
4002 * testsuite/ver_test_6.c (main): Likewise.
4004 2008-10-07 Cary Coutant <ccoutant@google.com>
4006 * options.c (General_options::finalize): Add check for -static and
4008 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4011 2008-10-02 Cary Coutant <ccoutant@google.com>
4013 * plugin.cc (make_sized_plugin_object): Fix conditional
4014 compilation to work when not all targets are enabled.
4016 2008-09-29 Cary Coutant <ccoutant@google.com>
4018 * archive.cc (Archive::get_file_and_offset): Use filename instead
4019 of name to get library path.
4020 (Archive::include_member): Unlock external member of a thin archive.
4022 * testsuite/Makefile.am (TEST_AR): New variable.
4023 (thin_archive_test_1): New test.
4024 (thin_archive_test_2): New test.
4025 * testsuite/Makefile.in: Regenerate.
4026 * testsuite/thin_archive_main.cc: New file.
4027 * testsuite/thin_archive_test_1.cc: New file.
4028 * testsuite/thin_archive_test_2.cc: New file.
4029 * testsuite/thin_archive_test_3.cc: New file.
4030 * testsuite/thin_archive_test_4.cc: New file.
4032 2008-09-29 Cary Coutant <ccoutant@google.com>
4034 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4035 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4037 (Sized_relobj::do_finalize_local_symbols): Likewise.
4038 (Sized_relobj::map_to_kept_section): Likewise.
4039 * object.h (Sized_relobj::invalid_address): New constant.
4040 (Sized_relobj::do_output_section_offset): Check for invalid_address
4042 * output.cc (Output_reloc::local_section_offset): Use constant
4043 invalid_address instead of -1U.
4044 (Output_reloc::get_address): Likewise.
4045 (Output_section::output_address): Change -1U to -1ULL.
4046 * output.h (Output_reloc::invalid_address): New constant.
4047 * reloc.cc (Sized_relobj::write_sections): Use constant
4048 invalid_address instead of -1U.
4049 (Sized_relobj::relocate_sections): Likewise.
4050 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4051 values for merge sections.
4052 * target-reloc.h (relocate_for_relocatable): Use constant
4053 invalid_address instead of -1U.
4055 2008-09-19 Cary Coutant <ccoutant@google.com>
4057 Add plugin functionality for link-time optimization (LTO).
4058 * configure.ac (plugins): Add --enable-plugins option.
4059 * configure: Regenerate.
4060 * config.in: Regenerate.
4061 * Makefile.am (LIBDL): New variable.
4062 (CCFILES): Add plugin.cc.
4063 (HFILES): Add plugin.h.
4064 (ldadd_var): Add LIBDL.
4065 * Makefile.in: Regenerate.
4067 * archive.cc: Include "plugin.h".
4068 (Archive::setup): Don't preread archive symbols when using a plugin.
4069 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
4070 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4072 (Archive::include_member): Add symbols from plugin objects.
4073 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4074 * descriptors.cc (Descriptors::open): Check for file descriptors
4075 abandoned by plugins.
4076 (Descriptors::claim_for_plugin): New function.
4077 * descriptors.h (Descriptors::claim_for_plugin): New function.
4078 (Open_descriptor::is_claimed): New field.
4079 (claim_descriptor_for_plugin): New function.
4080 * fileread.cc (File_read::claim_for_plugin): New function.
4081 * fileread.h (File_read::claim_for_plugin): New function.
4082 (File_read::descriptor): New function.
4083 * gold.cc: Include "plugin.h".
4084 (queue_initial_tasks): Add task to call plugin hooks for generating
4086 * main.cc: Include "plugin.h".
4087 (main): Load plugin libraries.
4088 * object.h (Pluginobj): Declare.
4089 (Object::pluginobj): New function.
4090 (Object::do_pluginobj): New function.
4091 (Object::set_target): New function.
4092 * options.cc: Include "plugin.h".
4093 (General_options::parse_plugin): New function.
4094 (General_options::General_options): Initialize plugins_ field.
4095 (General_options::add_plugin): New function.
4096 * options.h (Plugin_manager): Declare.
4097 (General_options): Add --plugin option.
4098 (General_options::has_plugins): New function.
4099 (General_options::plugins): New function.
4100 (General_options::add_plugin): New function.
4101 (General_options::plugins_): New field.
4102 * plugin.cc: New file.
4103 * plugin.h: New file.
4104 * readsyms.cc: Include "plugin.h".
4105 (Read_symbols::do_read_symbols): Check for archive before checking
4106 for ELF file. Call plugin hooks to claim files.
4107 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
4108 from a real object file; force override when processing replacement
4110 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
4111 (Symbol::init_base_object): Likewise.
4112 (Symbol::init_base_output_data): Likewise.
4113 (Symbol::init_base_output_segment): Likewise.
4114 (Symbol::init_base_constant): Likewise.
4115 (Symbol::init_base_undefined): Likewise.
4116 (Symbol::output_section): Assert that object is not a plugin.
4117 (Symbol_table::add_from_pluginobj): New function.
4118 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
4120 (Symbol_table::sized_write_globals): Likewise.
4121 (Symbol_table::add_from_pluginobj): Instantiate template.
4122 * symtab.h (Sized_pluginobj): Declare.
4123 (Symbol::in_real_elf): New function.
4124 (Symbol::set_in_real_elf): New function.
4125 (Symbol::in_real_elf_): New field.
4126 (Symbol_table::add_from_pluginobj): New function.
4128 * testsuite/Makefile.am (AM_CFLAGS): New variable.
4129 (LIBDL): New variable.
4131 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
4132 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
4133 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
4134 (MOSTLYCLEANFILES): Likewise.
4135 * testsuite/Makefile.in: Regenerate.
4136 * testsuite/plugin_test.c: New file.
4137 * testsuite/plugin_test_1.sh: New file.
4138 * testsuite/plugin_test_2.sh: New file.
4140 2008-09-16 Ian Lance Taylor <iant@google.com>
4142 * target-reloc.h (relocate_section): Check whether a symbol is
4143 defined by the ABI before reporting an undefined symbol error.
4144 * target.h (Target::is_defined_by_abi): Make parameter const.
4145 (Target::do_is_defined_by_abi): Likewise.
4146 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
4147 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
4148 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
4149 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
4150 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
4151 * testsuite/Makefile.in: Rebuild.
4153 * fileread.cc (make_view): Add casts to avoid warning.
4155 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
4157 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
4158 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4160 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
4162 * options.h (General_options::output_is_executable): New.
4163 (General_options::output_is_pie): New.
4164 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
4165 for shared libraries.
4166 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4168 2008-09-11 Chris Demetriou <cgd@google.com>
4170 * options.h (origin): New -z option.
4171 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
4172 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
4175 2008-09-05 Cary Coutant <ccoutant@google.com>
4177 * fileread.cc (File_read::make_view): Add check for attempt to map
4180 2008-09-05 Cary Coutant <ccoutant@google.com>
4182 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
4183 explicit instantiations.
4185 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
4188 * options.cc (General_options::finalize): Allow undefined symbols
4189 in shlibs if linking -shared.
4192 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
4193 symbols as not needing a dynsym entry.
4195 2008-08-20 Craig Silverstein <csilvers@google.com>
4197 * fileread.cc (File_read::open): Do not lock the file unless it
4198 was successfully opened.
4200 2008-08-14 Cary Coutant <ccoutant@google.com>
4202 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
4203 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4204 * testsuite/tls_test.cc (struct int128): 128-bit struct
4205 for testing TLS relocs with non-zero addend.
4206 (v12): New TLS variable.
4208 (t_last): Add check for v12.
4209 * testsuite/tls_test.h (t12): New function.
4210 * testsuite/tls_test_main.cc (thread_routine): Call new test.
4212 2008-08-13 Ian Lance Taylor <iant@google.com>
4214 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4215 set tls_segment_ or relro_segment_.
4216 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4218 * output.h (Output_section::clear_is_relro): New function.
4219 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4220 sections specially even when output_data_ is empty.
4221 (Output_segment::maximum_alignment): When first section is relro,
4222 only force alignment for PT_LOAD segments.
4223 * script.cc (script_data_segment_align): New function.
4224 (script_data_segment_relro_end): New function.
4225 * script-c.h (script_data_segment_align): Declare.
4226 (script_data_segment_relro_end): Declare.
4227 * script-sections.h (class Script_sections): Declare
4228 data_segment_align and data_segment_relro_end. Add fields
4229 segment_align_index_ and saw_relro_end_.
4230 * script-sections.cc (class Sections_element): Add set_is_relro
4231 virtual function. Add new bool* parameter to place_orphan_here.
4232 Add get_output_section virtual function.
4233 (class Output_section_definition): Add set_is_relro. Add new
4234 bool* parameter to place_orphan_here. Add get_output_section.
4235 Add is_relro_ field.
4236 (Output_section_definition::Output_section_definition): Initialize
4237 evaluated_address_, evaluated_load_address, evaluated_addralign_,
4238 and is_relro_ fields.
4239 (Output_section_definition::place_orphan_here): Add is_relro
4241 (Output_section_definition::set_section_addresses): Set relro for
4243 (Output_section_definition::alternate_constraint): Likewise.
4244 (class Orphan_output_section): Add new bool* parameter to
4245 place_orphan_here. Add get_output_section.
4246 (Orphan_output_section::place_orphan_here): Add is_relro
4248 (Script_sections::Script_sections): Initialize
4249 data_segment_align_index_ and saw_relro_end_.
4250 (Script_sections::data_segment_align): New function.
4251 (Script_sections::data_segment_relro_end): New function.
4252 (Script_sections::place_orphan): Set or clear is_relro.
4253 (Script_sections::set_section_addresses): Force alignment of first
4255 * yyscript.y (exp): Call script_data_segment_align and
4256 script_data_segment_relro_end.
4257 * testsuite/relro_script_test.t: New file.
4258 * testsuite/relro_test.cc (using_script): Declare.
4259 (t1, t2): Test using_script.
4260 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4261 (relro_script_test_SOURCES): Define.
4262 (relro_script_test_DEPENDENCIES): Define.
4263 (relro_script_test_LDFLAGS): Define.
4264 (relro_script_test_LDADD): Define.
4265 (relro_script_test.so): New target.
4266 * testsuite/Makefile.in: Rebuild.
4268 2008-08-06 Cary Coutant <ccoutant@google.com>
4270 * archive.cc (Archive::total_archives, Archive::total_members)
4271 (Archive::total_members_loaded): New variables.
4272 (Archive::setup): Add parameter. Add option to preread
4274 (Archive::read_armap): Add counter.
4275 (Archive::get_file_and_offset): New function.
4276 (Archive::get_elf_object_for_member): New function.
4277 (Archive::read_all_symbols): New function.
4278 (Archive::read_symbols): New function.
4279 (Archive::add_symbols): Add counters.
4280 (Archive::include_all_members): Use armap to find members if it's
4282 (Archive::include_member): Skip reading symbols if already read.
4283 Factored code into Archive::get_file_and_offset and
4284 Archive::get_elf_object_for_member. Changed call to
4285 Mapfile::report_include_archive_member.
4286 (Archive::print_stats): New function.
4287 * archive.h: Declare Object and Read_symbols_data classes.
4288 (Archive::Archive): Add initializers for new members.
4289 (Archive::setup): Add parameter.
4290 (Archive::print_stats): New function.
4291 (Archive::total_archives, Archive::total_members)
4292 (Archive::total_members_loaded): New variables.
4293 (Archive::get_file_and_offset): New function.
4294 (Archive::get_elf_object_for_member): New function.
4295 (Archive::read_all_symbols): New function.
4296 (Archive::read_symbols): New function.
4297 (Archive::Archive_member): New class.
4298 (Archive::members_): New member.
4299 (Archive::num_members_): New member.
4300 * main.cc: Include archive.h.
4301 (main): Call Archive::print_stats.
4302 * mapfile.cc (Mapfile::report_include_archive_member): Delete
4303 archive parameter; member_name is now the fully-decorated name.
4304 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4305 * options.h: (General_options): Add --preread-archive-symbols option.
4306 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4309 2008-08-04 Ian Lance Taylor <iant@google.com>
4311 * symtab.h (Symbol::use_plt_offset): New function.
4312 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4313 * powerpc.cc (Relocate::relocate): Likewise.
4314 * sparc.cc (Relocate::relocate): Likewise.
4315 * x86_64.cc (Relocate::relocate): Likewise.
4316 * testsuite/weak_plt.sh: New test.
4317 * testsuite/weak_plt_main.cc: New test.
4318 * testsuite/weak_plt_shared.cc: New test.
4319 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4320 (check_PROGRAMS): Add weak_plt.
4321 (check_DATA): Add weak_plt_shared.so.
4322 (weak_plt_main_pic.o, weak_plt): New targets.
4323 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4324 * testsuite/Makefile.in: Rebuild.
4326 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4328 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4329 * testsuite/Makefile.in: Rebuild.
4331 2008-08-04 Alan Modra <amodra@bigpond.net.au>
4333 * Makefile.am (POTFILES.in): Set LC_ALL=C.
4334 * Makefile.in: Regenerate.
4335 * po/POTFILES.in: Regenerate.
4337 2008-07-29 Ian Lance Taylor <iant@google.com>
4339 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4340 symbols before other symbols.
4341 * testsuite/script_test_2.cc (test_addr): Declare.
4342 (test_addr_alias): Declare.
4343 (main): Check that test_addr and test_addr_alias have the right
4345 * testsuite/script_test_2.t: Define test_addr_alias and
4348 2008-07-24 Ian Lance Taylor <iant@google.com>
4351 * descriptors.cc: New file.
4352 * descriptors.h: New file.
4353 * gold-threads.h (class Hold_optional_lock): New class.
4354 * fileread.cc: Include "descriptors.h".
4355 (File_read::~File_read): Release descriptor rather than closing
4357 (File_read::open) [file]: Call open_descriptor rather than open.
4358 Set is_descriptor_opened_.
4359 (File_read::open) [memory]: Assert that descriptor is not open.
4360 (File_read::reopen_descriptor): New function.
4361 (File_read::release): Release descriptor.
4362 (File_read::do_read): Make non-const. Reopen descriptor.
4363 (File_read::read): Make non-const.
4364 (File_read::make_view): Reopen descriptor.
4365 (File_read::do_readv): Likewise.
4366 * fileread.h (class File_read): Add is_descriptor_opened_ field.
4367 Update declarations.
4368 * layout.cc: Include "descriptors.h".
4369 (Layout::create_build_id): Use open_descriptor rather than open.
4370 * output.cc: Include "descriptors.h".
4371 (Output_file::open): Use open_descriptor rather than open.
4372 * archive.cc (Archive::const_iterator): Change Archive to be
4374 (Archive::begin, Archive::end): Make non-const.
4375 (Archive::count_members): Likewise.
4376 * archive.h (class Archive): Update declarations.
4377 * object.h (Object::read): Make non-const.
4378 * Makefile.am (CCFILES): Add descriptors.cc.
4379 (HFILES): Add descriptors.h.
4380 * Makefile.in: Rebuild.
4383 * gold.h: Always include <clocale>. Add Solaris workarounds
4384 following code in binutils/sysdep.h.
4387 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4388 this->eh_frame_hdr_ is NULL before using it.
4390 * dynobj.cc (Versions::Versions): Update comment.
4392 * dynobj.cc (Versions::Versions): If there is an soname, use it as
4393 the base version name.
4395 * stringpool.cc (Stringpool_template::add_with_length): Set key to
4396 array size plus one.
4397 (Stringpool_template::set_string_offsets): Subtract one from key
4398 before using it as an array index.
4399 (Stringpool_template::get_offset_with_length): Likewise.
4400 (Stringpool_template::write_to_buffer): Likewise.
4401 * stringpool.h (Stringpool_template::get_offset_from_key):
4404 2008-07-23 Ian Lance Taylor <iant@google.com>
4407 * object.h (Merged_symbol_value::value): Do our best to handle a
4411 * script.cc (Version_script_info::get_versions): Don't add empty
4412 version tag to return value.
4413 (Version_script_info::get_symbol_version_helper): Change return
4414 type to bool. Add pversion parameter. Change all callers.
4415 (script_register_vers_node): Don't require a non-NULL tag.
4416 * script.h (class Version_script_info): Update declarations.
4417 (Version_script_info::get_symbol_version): Change return type to
4418 bool. Add version parameter. Change all callers.
4419 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4420 handling. Handle an empty version from a version script.
4421 (Symbol_table::define_special_symbol): Likewise.
4422 * testsuite/ver_test_10.script: New file.
4423 * testsuite/ver_test_10.sh: New file.
4424 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4425 (check_DATA): Add ver_test_10.syms.
4426 (ver_test_10.syms, ver_test_10.so): New target.
4427 * testsuite/Makefile.in: Rebuild.
4429 2008-07-23 Simon Baldwin <simonb@google.com>
4431 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4432 to zero for undefined symbols from dynamic libraries.
4434 2008-07-23 Ian Lance Taylor <iant@google.com>
4436 * symtab.cc (Symbol_table::resolve): Remove version parameter.
4438 * symtab.h (class Symbol_table): Update declaration.
4439 * testsuite/ver_test_9.cc: New file.
4440 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4441 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4442 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4443 (ver_test_9.so, ver_test_9.o): New targets.
4444 * testsuite/Makefile.in: Rebuild.
4446 2008-07-22 Ian Lance Taylor <iant@google.com>
4448 * options.h (class General_options): Define --check-sections.
4449 * layout.cc (Layout::set_segment_offsets): Handle
4452 * options.h (class General_options): Define -n/--nmagic and
4454 * options.cc (General_options::finalize): For -n/--nmagic or
4455 -N/--omagic, set -static.
4456 * layout.cc (Layout::attach_allocated_section_to_segment): If
4457 -N/--omagic, don't put read-only and read-write sections in
4459 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4460 finding a read-only segment.
4461 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4462 don't set the minimum segment alignment to the common page size,
4463 and don't set the file offset to the address modulo the page size.
4464 * script-sections.cc (Script_sections::create_segments): If
4465 -n/--omagic, don't put read-only and read-write sections in
4468 * cref.cc: New file.
4470 * options.h (class General_options): Add --print-symbol-counts.
4471 * main.cc (main): Issue defined symbol report if requested.
4472 * archive.cc (Archive::interpret_header): Make into a const member
4474 (Archive::add_symbols): Call Input_objects::archive_start and
4476 (Archive::const_iterator): Define new class.
4477 (Archive::begin, Archive::end): New functions.
4478 (Archive::include_all_members): Rewrite to use iterator.
4479 (Archive::count_members): New function.
4480 * archive.h (class Archive): Update declarations.
4481 (Archive::filename): New function.
4482 * object.cc: Include "cref.h".
4483 (Sized_relobj::Sized_relobj): Initialize defined_count_.
4484 (Sized_relobj::do_get_global_symbol_counts): New function.
4485 (Input_objects::add_object): Add object to cross-referencer.
4486 (Input_objects::archive_start): New function.
4487 (Input_objects::archive_stop): New function.
4488 (Input_objects::print_symbol_counts): New function.
4489 * object.h: Declare Cref and Archive.
4490 (Object::get_global_symbol_counts): New function.
4491 (Object::do_get_global_symbol_counts): New pure virtual function.
4492 (class Sized_relobj): Add defined_count_ field. Update
4494 (class Input_objects): Add cref_ field. Update constructor.
4495 Update declarations.
4496 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4498 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4500 (Sized_dynobj::do_get_global_symbol_counts): New function.
4501 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4502 defined_count_. Update declarations. Define Symbols typedef.
4503 * symtab.cc (Symbol_table::add_from_relobj): Add defined
4504 parameter. Change all callers.
4505 (Symbol_table::add_from_dynobj): Add sympointers and defined
4506 parameters. Change all callers.
4507 * symtab.h (class Symbol_table): Update declarations.
4508 * Makefile.am (CCFILES): Add cref.cc.
4509 (HFILES): Add cref.h.
4510 * Makefile.in: Rebuild.
4512 2008-07-22 Simon Baldwin <simonb@google.com>
4514 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4515 to zero when writing undefined symbols.
4517 2008-07-22 Ian Lance Taylor <iant@google.com>
4519 * output.cc (Output_section::add_input_section): Don't try to
4520 merge empty merge sections.
4522 2008-07-21 Craig Silverstein <csilvers@google.com>
4524 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4525 Include symbol version in error message.
4527 2008-07-20 Chris Demetriou <cgd@google.com>
4529 * configure.ac (gold_cv_c_random_seed): New configured variable.
4530 (RANDOM_SEED_CFLAGS): New substituted variable.
4531 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4532 * configure: Rebuild.
4533 * Makefile.in: Likewise.
4534 * testsuite/Makefile.in: Likewise.
4536 2008-07-18 Ian Lance Taylor <iant@google.com>
4538 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4539 where we see NAME/NULL and NAME/VERSION as separate symbols.
4540 * testsuite/ver_test_main.cc (main): Call t4.
4541 (t4, t4_2a): Define.
4542 * testsuite/ver_test_2.cc (t4_2): Define.
4543 * testsuite/ver_test_2.script: Put t4_2a in VER2.
4544 * testsuite/ver_test_4.cc (t4_2a): Define.
4545 * testsuite/ver_test_4.script: Put t4_2a in VER2.
4546 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4548 2008-07-17 Ian Lance Taylor <iant@google.com>
4550 * dynobj.cc (Versions::add_def): If we give an error about a
4551 missing version, go ahead and create the version anyhow.
4553 2008-07-10 Ian Lance Taylor <iant@google.com>
4555 Handle output sections with more than 0x7fffffff bytes.
4556 * object.h (class Relobj): Change map_to_output_ to
4557 output_sections_, and just keep a section pointer. Change all
4558 uses. Move comdat group support to Sized_relobj.
4559 (Relobj::is_section_specially_mapped): Remove.
4560 (Relobj::output_section): Remove poff parameter. Change all
4562 (Relobj::output_section_offset): New function.
4563 (Relobj::set_section_offset): Rewrite.
4564 (Relobj::map_to_output): Remove.
4565 (Relobj::output_sections): New function.
4566 (Relobj::do_output_section_offset): New pure virtual function.
4567 (Relobj::do_set_section_offset): Likewise.
4568 (class Sized_relobj): Add section_offsets_ field. Add comdat
4569 group support from Relobj. Update declarations.
4570 (Sized_relobj::get_output_section_offset): New function.
4571 (Sized_relobj::do_output_section_offset): New function.
4572 (Sized_relobj::do_set_section_offset): New function.
4573 * object.cc (Relobj::output_section_address): Remove.
4574 (Sized_relobj::Sized_relobj): Initialize new fields.
4575 (Sized_relobj::include_section_group): Cast find_kept_object to
4577 (Sized_relobj::include_linkonce_section): Likewise.
4578 (Sized_relobj::do_layout): Use separate arrays for output section
4580 (Sized_relobj::do_count_local_symbols): Change map_to_output to
4582 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4583 output_sections and section_offsets.
4584 (Sized_relobj::write_local_symbols): Likewise.
4585 (map_to_kept_section): Compute output address directly.
4586 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4587 output_sections and section_offsets.
4588 (Sized_relobj::write_sections): Likewise.
4589 (Sized_relobj::relocate_sections): Likewise.
4590 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4591 * output.h (class Output_reloc): Update declarations. Change
4592 u2_.relobj to Sized_relobj*.
4593 (class Output_data_reloc): Change add functions to use
4595 * output.cc (Output_reloc::Output_reloc): Change relobj to
4597 (Output_reloc::local_section_offset): Change return type to
4598 Elf_Addr. Use get_output_section_offset.
4599 (Output_reloc::get_address): Likewise.
4600 (Output_section::is_input_address_mapped): Don't call
4601 is_section_specially_mapped.
4602 (Output_section::output_offset): Likewise.
4603 (Output_section::output_address): Likewise.
4604 (Output_section::starting_output_address): Likewise.
4605 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4606 parameter to Sized_relobj*.
4607 (Copy_relocs::need_copy_reloc): Likewise.
4608 (Copy_relocs::save): Likewise.
4609 * copy-relocs.h (class Copy_relocs): Update declarations.
4610 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4611 Sized_relobj*. Change relobj_ field to Sized_relobj*.
4612 * target-reloc.h (relocate_for_relocatable): Change
4613 offset_in_output_section type to Elf_Addr. Change code that uses
4615 * layout.cc (Layout::layout): Always set *off.
4616 * mapfile.cc (Mapfile::print_input_section): Use
4617 output_section_offset.
4618 * i386.cc (Target_i386::copy_reloc): Change object parameter to
4620 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4621 * sparc.cc (Target_sparc::copy_reloc): Likewise.
4622 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4624 2008-07-03 Ian Lance Taylor <iant@google.com>
4626 * layout.cc (Layout::include_section): Do not discard unrecognized
4627 SHT_STRTAB sections.
4629 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
4631 * script.cc (Lex::can_continue_name): Make '?' allowable in
4632 version-script names.
4633 * testsuite/version_script.map: Change glob pattern to use '?'
4635 2008-06-30 Manish Singh <yosh@gimp.org>
4638 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4641 2008-06-30 Ian Lance Taylor <iant@google.com>
4645 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4646 versions]: Don't try to read the value in the contents, since we
4647 don't use it. Use the template endianness when writing.
4649 2008-06-25 Cary Coutant <ccoutant@google.com>
4651 * fileread.cc (File_read::make_view): Assert on zero-length view.
4652 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4653 symbol table when there are no symbols to read.
4655 2008-06-23 Craig Silverstein <csilvers@google.com>
4657 * version.cc (version_string): Bump to 1.7
4659 2008-06-18 Craig Silverstein <csilvers@google.com>
4661 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4662 constant 0xFFFF to type Valtype.
4663 (Powerpc_relocate_functions::rel16_ha): Likewise.
4665 2008-06-17 Ian Lance Taylor <iant@google.com>
4667 * output.h (Output_section::Input_section): Initialize p2align_ to
4668 zero for Output_section_data constructors.
4669 (Output_section::Input_section::addralign): If not an input
4670 section, return the alignment of the Output_section_data.
4671 * testsuite/copy_test.cc: New file.
4672 * testsuite/copy_test_1.cc: New file.
4673 * testsuite/copy_test_2.cc: New file.
4674 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4675 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4676 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4677 (copy_test_1_pic.o, copy_test_1.so): New targets.
4678 (copy_test_2_pic.o, copy_test_2.so): New targets.
4679 * testsuite/Makefile.in: Rebuild.
4681 * script-sections.cc (Script_sections::place_orphan): Initialize
4682 local variable exact.
4684 2008-06-13 David Edelsohn <edelsohn@gnu.org>
4686 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4688 2008-06-12 David Edelsohn <edelsohn@gnu.org>
4689 David S. Miller <davem@davemloft.net>
4691 * powerpc.cc: New file.
4692 * Makefile.am (TARGETSOURCES): Add powerpc.cc
4693 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4694 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4695 * Makefile.in: Rebuild.
4697 2008-06-09 Ian Lance Taylor <iant@google.com>
4699 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4701 (throwing, orig_terminate): New static variables.
4702 (terminate_handler): New static function.
4703 (t2): Set terminate handler.
4705 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
4708 * binary.cc (Binary_to_elf::sized_convert): Fix .data
4711 2008-05-30 Cary Coutant <ccoutant@google.com>
4713 * archive.cc (Archive::include_all_members) Correct to step
4714 over symbol table and extended name table in thin archives.
4716 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
4719 * target-reloc.h (relocate_for_relocatable): Fix new_offset
4722 2008-05-28 Caleb Howe <cshowe@google.com>
4724 * reduced_debug_output.cc: New file.
4725 * reduced_debug_output.h: New file.
4726 * options.h (class General_options): Add --strip-debug-non-line.
4727 * options.cc (General_options::finalize): Add strip_debug_non_line
4728 to the strip heirarchy.
4729 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4731 * layout.cc: Include "reduced_debug_output.h".
4732 (Layout::Layout): Initialize new fields.
4733 (line_only_debug_sections): New static array.
4734 (is_lines_only_debug_sections): New static inline function.
4735 (Layout::include_section): Handle --strip-debug-non-line.
4736 (Layout::make_output_section): If --strip-debug-non-line, build
4737 new output sections for .debug_abbrev and .debug_info.
4738 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4739 gold. Warn about possible overflow.
4740 (read_signed_LEB_128): Likewise.
4741 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4742 (read_signed_LEB_128): Declare.
4743 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4744 (HFILES): Add reduced_debug_output.h.
4745 * Makefile.in: Rebuild.
4747 2008-05-21 Ian Lance Taylor <iant@google.com>
4749 * mapfile.cc: New file.
4750 * mapfile.h: New file.
4751 * options.h (class General_options): Add -M/--print-map and -Map.
4752 * options.cc (General_options::finalize): Make -M equivalent to
4754 * main.cc: Include <cstdio> and "mapfile.h".
4755 (main): Open mapfile if requested.
4756 * gold.cc (class Middle_runner): Add mapfile_ field. Update
4757 constructor. Change caller.
4758 (queue_initial_tasks): Add mapfile parameter. Change caller.
4759 (queue_middle_tasks): Likewise.
4760 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4762 * archive.cc: Include "mapfile.h".
4763 (Archive::add_symbols): Add mapfile parameter. Change all
4764 callers. Pass mapfile, symbol, and reason to include_member.
4765 (Archive::include_all_members): Add mapfile parameter. Change all
4767 (Archive::include_member): Add mapfile, sym, and why parameters.
4768 Change all callers. Report inclusion to map file.
4769 * archive.h: Include "fileread.h".
4770 (class Archive): Update declarations.
4771 (Archive::file): New const method.
4772 (class Add_archive_symbols): Add mapfile_ field. Update
4773 constructor. Change all callers.
4774 * readsyms.h (class Read_symbols): Likewise.
4775 (class Finish_group): Likewise.
4776 (class Read_script): Likewise.
4777 * common.cc: Include "mapfile.h".
4778 (Symbol_table::allocate_commons): Add mapfile parameter. Change
4780 (Symbol_table::do_allocate_commons): Likewise.
4781 (Symbol_table::do_allocate_commons_list): Likewise. Report common
4782 symbol allocation to mapfile.
4783 * common.h (class Allocate_commons_task): Add mapfile_ field.
4784 Update constructor. Change all callers.
4785 * symtab.h (class Symbol_table): Update declarations.
4786 * layout.cc: Include "mapfile.h".
4787 (Layout_task_runner::run): Print information to mapfile.
4788 (Layout::create_gold_note): Change Output_data_fixed_space to
4789 Output_data_zero_fill.
4790 (Layout::create_build_id): Likewise.
4791 (Layout::print_to_mapfile): New function.
4792 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
4793 constructor. Change caller.
4794 (class Layout): Declare print_to_mapfile.
4795 * output.cc (Output_section::Input_section::print_to_mapfile): New
4797 (Output_section::add_input_section): If producing a map, always
4798 add to input_sections_ list.
4799 (Output_section::do_print_to_mapfile): New function.
4800 (Output_segment::print_sections_to_mapfile): New function.
4801 (Output_segment::print_section_list_to_mapfile): New function.
4802 * output.h: Include "mapfile.h".
4803 (Output_data::print_to_mapfile): New function.
4804 (Output_data::do_print_to_mapfile): New virtual function.
4805 (Output_segment_headers::do_print_to_mapfile): New function.
4806 (Output_file_header::do_print_to_mapfile): New function.
4807 (Output_data_const::do_print_to_mapfile): New function.
4808 (class Output_data_const_buffer): Add map_name_ field. Update
4809 constructor. Change all callers. Add do_print_to_mapfile
4811 (class Output_data_fixed_space): Likewise.
4812 (class Output_data_space): Likewise.
4813 (class Output_data_zero_fill): New class.
4814 (Output_data_strtab::do_print_to_mapfile): New function.
4815 (Output_data_reloc_base::do_print_to_mapfile): New function.
4816 (Output_relocatable_relocs::do_print_to_mapfile): New function.
4817 (Output_data_group::do_print_to_mapfile): New function.
4818 (Output_data_got::do_print_to_mapfile): New function.
4819 (Output_data_dynamic::do_print_to_mapfile): New function.
4820 (Output_symtab_xindex::do_print_to_mapfile): New function.
4821 (class Output_section): Declare do_print_to_mapflie. Declare
4822 print_to_mapfile in Input_section.
4823 (class Output_segment): Declare new functions.
4824 * object.h (Sized_relobj::symbol_count): New function.
4825 * script-sections.cc
4826 (Output_section_element_dot_assignment::set_section_addresses):
4827 Change Output_data_fixed_space to Output_data_zero_fill.
4828 (Output_data_expression::do_print_to_mapfile): New function.
4829 * script.cc (read_input_script): Add mapfile parameter. Change
4831 * script.h (read_input_script): Update declaration.
4832 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4833 (Eh_frame::do_print_to_mapfile): New function.
4834 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4835 (Output_merge_string::do_print_to_mapfile): New function.
4836 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4838 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4840 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4842 * Makefile.am (CCFILES): Add mapfile.cc.
4843 (HFILES): Add mapfile.h.
4844 * Makefile.in: Rebuild.
4846 2008-05-19 Ian Lance Taylor <iant@google.com>
4848 * options.h (class General_options): Add -z relro.
4849 * layout.cc (Layout::Layout): Initialize relro_segment_.
4850 (Layout::add_output_section_data): Return the output section.
4851 (Layout::make_output_section): Rcognize relro sections and mark
4853 (Layout::attach_allocated_section_to_segment): Put relro sections
4854 in a PT_GNU_RELRO segment.
4855 (Layout::create_initial_dynamic_sections): Mark the .dynamic
4857 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4859 (Layout::linkonce_mapping): Map d.rel.ro.local to
4861 (Layout::output_section_name): Us .data.rel.ro.local for any
4862 section which begins with that.
4863 * layout.h (class Layout): Update add_output_section_data
4864 declaration. Add relro_segment_ field.
4865 * output.cc (Output_section::Output_section): Initialize is_relro_
4866 and is_relro_local_ fields.
4867 (Output_segment::add_output_section): Group relro sections.
4868 (Output_segment::is_first_section_relro): New function.
4869 (Output_segment::maximum_alignment): If there is a relro section,
4870 align the segment to the common page size.
4871 (Output_segment::set_section_addresses): Track whether we are
4872 looking at relro sections. If the last section is a relro
4873 section, align to the common page size.
4874 (Output_segment::set_section_list_addresses): Add in_relro
4875 parameter. Change all callers. Align to the page size when
4876 moving from relro to non-relro section.
4877 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4879 * output.h (class Output_section): Add is_relro_ and
4880 is_relro_local_ fields.
4881 (Output_section::is_relro): New function.
4882 (Output_section::set_is_relro): New function.
4883 (Output_section::is_relro_local): New function.
4884 (Output_section::set_is_relro_local): New function.
4885 (class Output_segment): Update declarations.
4886 * i386.cc (Target_i386::got_section): Mark .got section as relro.
4887 * sparc.cc (Target_sparc::got_section): Likewise.
4888 * x86_64.cc (Target_x86_64::got_section): Likewise.
4889 * testsuite/relro_test_main.cc: New file.
4890 * testsuite/relro_test.cc: New file.
4891 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4892 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4893 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4894 (relro_test.so, relro_test_pic.o): New targets.
4895 * testsuite/Makefile.in: Rebuild.
4897 2008-05-16 Ian Lance Taylor <iant@google.com>
4899 * output.cc (Output_segment::add_output_section): Remove front
4901 * output.h (class Output_segment): Remove
4902 add_initial_output_section and overloaded add_output_section.
4903 Update declaration of remaining add_output_section.
4904 * layout.cc (Layout::create_interp): Call add_output_section
4905 rather than add_initial_output_section.
4906 (Layout::finish_dynamic_section): Likewise.
4908 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4909 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
4910 know the dynamic type.
4911 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4912 field. Initialize it in constructor.
4913 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4914 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4915 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4918 * output.cc (Output_reloc::get_address): Change return type to
4920 * output.h (class Output_reloc): Update get_address declaration.
4921 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4922 for section addresses.
4924 2008-05-09 Ian Lance Taylor <iant@google.com>
4927 * gold.cc (gold_nomem): Use return value of write.
4929 2008-05-08 Ian Lance Taylor <iant@google.com>
4931 * symtab.c (Symbol::init_base_output_data): Add version
4932 parameter. Change all callers.
4933 (Symbol::init_base_output_segment): Likewise.
4934 (Symbol::init_base_constant): Likewise.
4935 (Symbol::init_base_undefined): Likewise.
4936 (Sized_symbol::init_output_data): Likewise.
4937 (Sized_symbol::init_output_segment): Likewise.
4938 (Sized_symbol::init_constant): Likewise.
4939 (Sized_symbol::init_undefined): Likewise.
4940 (Symbol_table::do_define_in_output_data): If the new symbol has a
4941 version, mark it as the default.
4942 (Symbol_table::do_define_in_output_segment): Likewise.
4943 (Symbol_table::do_define_as_constant): Likewise.
4944 * symtab.h (class Symbol): Update declarations.
4945 (class Sized_symbol): Likewise.
4946 * resolve.cc (Symbol::override_version): New function.
4947 (Symbol::override_base): Call override_version.
4948 (Symbol::override_base_with_special): Likewise.
4949 * testsuite/ver_script_8.script: New file.
4950 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4951 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4952 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4953 (ver_test_8_1.so, ver_test_8_2.so): New targets.
4955 2008-05-06 Ian Lance Taylor <iant@google.com>
4958 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4960 (class General_options): Remove existing --undefined, and add
4961 --no-undefined instead. Add new --undefined as synonym for -u.
4962 * archive.cc (Archive::add_symbols): Check whether symbol was
4964 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4965 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4966 all uses. Add IS_UNDEFINED. Update declarations to split
4967 different versions of init_base. Declare init_base_undefined.
4968 (Symbol::is_defined): Handle IS_UNDEFINED.
4969 (Symbol::is_undefined): Likewise.
4970 (Symbol::is_weak_undefined): Call is_undefined.
4971 (Symbol::is_absolute): Handle IS_CONSTANT.
4972 (class Sized_symbol): Update declarations to split different
4973 versions of init. Declare init_undefined.
4974 (class Symbol_table): Declare new functions.
4975 * symtab.cc (Symbol::init_base_object): Rename from init_base.
4977 (Symbol::init_base_output_data): Likewise.
4978 (Symbol::init_base_output_segment): Likewise.
4979 (Symbol::init_base_constant): Likewise.
4980 (Symbol::init_base_undefined): New function.
4981 (Sized_symbol::init_object): Rename from init. Change all
4983 (Sized_symbol::init_output_data): Likewise.
4984 (Sized_symbol::init_output_segment): Likewise.
4985 (Sized_symbol::init_constant): Likewise.
4986 (Sized_symbol::init_undefined): New function.
4987 (Symbol_table::add_undefined_symbols_from_command_line): New
4989 (Symbol_table::do_add_undefined_symbols_from_command_line): New
4991 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4992 (Symbol::output_section): Likewise.
4993 (Symbol::set_output_section): Likewise.
4994 (Symbol_table::sized_finalize_symbol): Likewise.
4995 (Symbol_table::sized_write_globals): Likewise.
4996 * resolve.cc (Symbol_table::should_override): Likewise.
4997 (Symbol::override_base_with_special): Likewise.
4999 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5000 symbol, change it to have default visibility.
5001 * testsuite/protected_1.cc: New file.
5002 * testsuite/protected_2.cc: New file.
5003 * testsuite/protected_3.cc: New file.
5004 * testsuite/protected_main_1.cc: New file.
5005 * testsuite/protected_main_2.cc: New file.
5006 * testsuite/protected_main_3.cc: New file.
5007 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5008 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5009 (protected_1_LDFLAGS, protected_1_LDADD): Define.
5010 (protected_1.so): New target.
5011 (protected_1_pic.o, protected_2_pic.o): New targets.
5012 (protected_3_pic.o): New target.
5013 (check_PROGRAMS): Add protected_2.
5014 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5015 (protected_2_LDFLAGS, protected_2_LDADD): Define.
5016 * testsuite/Makefile.in: Rebuild.
5018 * options.h (DEFINE_var): Add set_user_set_##varname__.
5019 (DEFINE_bool_alias): New macro.
5020 (class General_options): Define -Bstatic using DEFINE_bool_alias
5021 rather than DEFINE_special. Add --undefined as an alias for -z
5023 * options.cc (General_options::parse_Bstatic): Remove.
5025 * options.h (class General_options): Add --fatal-warnings.
5026 * main.cc (main): Implement --fatal-warnings.
5027 * errors.h (Errors::warning_count): New function.
5029 * options.h (class General_options): Add -Bsymbolic-functions.
5030 * symtab.h (Symbol::is_preemptible): Check for
5031 -Bsymbolic-functions.
5033 2008-05-05 Ian Lance Taylor <iant@google.com>
5035 * options.h (DEFINE_bool): For DASH_Z, create the negative option
5036 as noVARNAME rather than no-VARNAME.
5037 (class General_options): Add option -z combreloc.
5038 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5040 (Output_reloc::sort_before) [SHT_REL]: New function.
5041 (Output_reloc::sort_before) [SHT_RELA]: New function.
5042 (class Output_data_reloc_base): Add sort_relocs_ field. Define
5043 Sort_relocs_comparison.
5044 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5045 parameter. Change all callers.
5046 (Output_data_reloc::Output_data_reloc) [both versions]: Add
5047 sort_relocs parameter. Change all callers.
5048 * output.cc (Output_reloc::get_address): New function, broken out
5050 (Output_reloc::write_rel): Call it.
5051 (Output_reloc::compare): New function.
5052 (Output_data_reloc_base::do_write): Optionally sort relocs.
5054 * configure.ac: If targ_extra_obj is set, link it in.
5055 * configure.tgt: Initialize all variables.
5056 (x86_64*): Set targ_extra_obj and targ_extra_size.
5057 * configure: Rebuild.
5059 * object.cc (Sized_relobj::include_section_group): Adjust section
5060 indexes read from group data. Build vector to pass to
5062 * layout.cc (Layout::layout_group): Add flags and shndxes
5063 parameters. Remove contents parameter. Change caller. Update
5064 explicit instantiations.
5065 * layout.h (class Layout): Update layout_group declaration.
5066 * output.cc (Output_data_group::Output_data_group): Add flags and
5067 input_shndxes parameters. Remove contents parameter. Change
5069 (Output_data_group::do_write): Change input_sections_ to
5071 * output.h (class Output_data_group): Update constructor
5072 declaration. Rename input_sections_ to input_shndxes_.
5073 * testsuite/many_sections_test.cc: Add template.
5075 2008-04-30 Cary Coutant <ccoutant@google.com>
5077 * target-reloc.h (relocate_section): Fix dead-pointer bug.
5079 * layout.cc (Layout::include_section): Refactored check for debug
5081 (Layout::add_comdat): Add new parameters. Change type
5082 of signature parameter. Add object and shndx to signatures table.
5083 (Layout::find_kept_object): New function.
5084 * layout.h: Include <cstring>.
5085 (Layout::is_debug_info_section): New function.
5086 (Layout::add_comdat): Add new parameters.
5087 (Layout::find_kept_object): New function.
5088 (Layout::Kept_section): New struct.
5089 (Layout::Signatures): Change type of map range.
5090 * object.cc (Relobj::output_section_address): New function.
5091 (Sized_relobj::include_section_group): Add new parameters. Change
5092 calls to Layout::add_comdat. Change to build table of kept comdat
5093 groups and table mapping discarded sections to kept sections.
5094 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
5095 (Sized_relobj::do_layout): Change calls to include_section_group and
5096 include_linkonce_section.
5097 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
5098 value to zero when section is discarded.
5099 (Sized_relobj::map_to_kept_section): New function.
5100 * object.h (Relobj::output_section_address): New function.
5101 (Relobj::Comdat_group): New type.
5102 (Relobj::find_comdat_group): New function.
5103 (Relobj::Comdat_group_table): New type.
5104 (Relobj::Kept_comdat_section): New type.
5105 (Relobj::Kept_comdat_section_table): New type.
5106 (Relobj::add_comdat_group): New function.
5107 (Relobj::set_kept_comdat_section): New function.
5108 (Relobj::get_kept_comdat_section): New function.
5109 (Relobj::comdat_groups_): New field.
5110 (Relobj::kept_comdat_sections_): New field.
5111 (Symbol_value::input_value): Update comment.
5112 (Sized_relobj::map_to_kept_section) New function.
5113 (Sized_relobj::include_linkonce_section): Add new parameter.
5114 * target-reloc.h (Comdat_behavior): New type.
5115 (get_comdat_behavior): New function.
5116 (relocate_section): Add code to map a discarded section to the
5117 corresponding kept section when applying a relocation.
5119 2008-04-30 Craig Silverstein <csilvers@google.com>
5121 * dwarf_reader.cc (next_generation_count): New static var.
5122 (Addr2line_cache_entry): New struct.
5123 (addr2line_cache): New static var.
5124 (Dwarf_line_info::one_addr2line): Added caching.
5125 (Dwarf_line_info::clear_addr2line_cache): New function.
5126 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
5127 cache-size parameter.
5128 (Dwarf_line_info::one_addr2line_cache): New function.
5129 * symtab.cc (Symbol_table::detect_odr_violations): Pass
5130 new cache-size argument to one_addr2line(), and clear cache.
5132 2008-04-28 Cary Coutant <ccoutant@google.com>
5134 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
5135 R_386_PC8 relocations.
5137 2008-04-23 Ian Lance Taylor <iant@google.com>
5139 * object.cc (Sized_relobj::include_section_group): Check for
5140 invalid section group.
5142 * object.cc (make_elf_object): Correct test for 64-bit ELF file
5145 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
5146 than read for file header.
5147 * archive.cc (Archive::include_member): Likewise.
5149 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
5151 * aclocal.m4: Regenerate.
5152 * configure: Regenerate.
5154 2008-04-19 Ian Lance Taylor <iant@google.com>
5156 * version.cc (version_string): Bump to 1.6.
5158 * testsuite/Makefile.am (many_sections_r_test): New target.
5159 (many_sections_r_test_SOURCES): Remove.
5160 (many_sections_r_test_DEPENDENCIES): Remove.
5161 (many_sections_r_test_LDFLAGS): Remove.
5162 (many_sections_r_test_LDADD): Remove.
5164 * object.cc (Sized_relobj::do_add_symbols): Always pass
5165 local_symbol_count_ to add_from_relobj.
5167 * testsuite/Makefile.am (many_sections_check.h): Only check one in
5168 every thousand variables.
5169 * testsuite/Makefile.in: Rebuild.
5171 * object.cc (Xindex::initialize_symtab_xindex): New function.
5172 (Xindex::read_symtab_xindex): New function.
5173 (Xindex::sym_xindex_to_shndx): New function.
5174 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
5176 (Sized_relobj::do_initialize_xindex): New function.
5177 (Sized_relobj::do_read_symbols): Adjust section links.
5178 (Sized_relobj::symbol_section_and_value): Add is_ordinary
5179 parameter. Change all callers.
5180 (Sized_relobj::include_section_group): Adjust section links and
5181 symbol section indexes.
5182 (Sized_relobj::do_layout): Adjust section links.
5183 (Sized_relobj::do_count_local_symbols): Adjust section links and
5184 symbol section indexes.
5185 (Sized_relobj::do_finalize_local_symbols): Distinguish between
5186 ordinary and special symbols.
5187 (Sized_relobj::write_local_symbols): Add symtab_xindex and
5188 dynsym_xindex parameters. Change all callers. Adjust section
5189 links. Use SHN_XINDEX when needed.
5190 (Sized_relobj::get_symbol_location_info): Adjust section links.
5191 Don't get fooled by special symbols.
5192 * object.h (class Xindex): Define.
5193 (class Object): Add xindex_ parameter. Declare virtual functoin
5194 do_initialize_xindex.
5195 (Object::adjust_sym_shndx): New function.
5196 (Object::set_xindex): New protected function.
5197 (class Symbol_value): Add is_ordinary_shndx_ field.
5198 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
5199 (Symbol_value::value): Assert ordinary section.
5200 (Symbol_value::initialize_input_to_output_map): Likewise.
5201 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
5203 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
5205 (class Sized_relobj): Update declarations.
5206 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5207 parameter. Change all callers.
5208 (Sized_relobj::adjust_shndx): New function.
5209 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5211 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5212 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
5213 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
5214 (Sized_dynobj::read_dynsym_section): Adjust section links.
5215 (Sized_dynobj::read_dynamic): Likewise.
5216 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
5218 (Sized_dynobj::do_initialize_xindex): New function.
5219 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
5220 do_initialize_xindex.
5221 (Sized_dynobj::adjust_shndx): New function.
5222 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5223 dynsym_xindex_ fields.
5224 (Layout::finalize): Add a call to set_section_indexes before
5225 creating the symtab sections.
5226 (Layout::set_section_indexes): Don't do anything if the section
5227 already has a section index.
5228 (Layout::create_symtab_sections): Add shnum parameter. Change
5229 caller. Create .symtab_shndx section if needed.
5230 (Layout::create_shdrs): Add shstrtab_section parameter. Change
5232 (Layout::allocated_output_section_count): New function.
5233 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5235 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5236 fields. Update declarations.
5237 (Layout::symtab_xindex): New function.
5238 (Layout::dynsym_xindex): New function.
5239 (class Write_symbols_task): Add layout_ field.
5240 (Write_symbols_task::Write_symbols_task): Add layout parameter.
5242 * output.cc (Output_section_headers::Output_section_headers): Add
5243 shstrtab_section parameter. Change all callers.
5244 (Output_section_headers::do_sized_write): Store overflow values
5245 for section count and section string table section index in
5246 section header zero.
5247 (Output_file_header::do_sized_write): Check for overflow of
5248 section count and section string table section index.
5249 (Output_symtab_xindex::do_write): New function.
5250 (Output_symtab_xindex::endian_do_write): New function.
5251 * output.h (class Output_section_headers): Add shstrtab_section_.
5252 Update declarations.
5253 (class Output_symtab_xindex): Define.
5254 (Output_section::has_out_shndx): New function.
5255 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5257 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5259 (Sized_symbol::init): Likewise.
5260 (Symbol::output_section): Check for ordinary symbol.
5261 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
5262 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
5264 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5265 Change all callers. Simplify handling of symbols from sections
5266 not included in the link.
5267 (Symbol_table::add_from_dynobj): Handle ordinary symbol
5269 (Weak_alias_sorter::operator()): Assert that symbols are
5271 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5273 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5274 parameters. Change all callers.
5275 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
5276 symbol distinction. Use SHN_XINDEX when needed.
5277 (Symbol_table::write_section_symbol): Add symtab_xindex
5278 parameter. Change all callers.
5279 (Symbol_table::sized_write_section_symbol): Likewise. Use
5280 SHN_XINDEX when needed.
5281 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
5283 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
5284 (Symbol::is_defined): Check is_ordinary.
5285 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5286 (Symbol::is_absolute, Symbol::is_common): Likewise.
5287 (class Sized_symbol): Update declarations.
5288 (class Symbol_table): Update declarations.
5289 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5290 parameters. Change all callers.
5291 (Sized_symbol::override): Likewise.
5292 (Symbol_table::override): Likewise.
5293 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
5294 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
5295 is_ordinary, and orig_st_shndx parameters. Change all callers.
5296 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5297 to be in an ordinary section.
5298 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5299 object and is_ordinary parameters. Change all callers.
5300 (Sized_dwarf_line_info::read_relocs): Add object parameter.
5301 Change all callers. Don't add undefined or non-ordinary symbols
5303 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5305 * dwarf_reader.h (class Sized_dwarf_line_info): Update
5307 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5308 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5309 (Sized_relobj::relocate_sections): Likewise.
5310 * target-reloc.h (scan_relocs): Adjust section symbol index.
5311 (scan_relocatable_relocs): Likewise.
5312 * i386.cc (Scan::local): Check for ordinary symbols.
5313 * sparc.cc (Scan::local): Likewise.
5314 * x86_64.cc (Scan::local): Likewise.
5315 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5316 to symbol_section_and_value.
5317 * testsuite/many_sections_test.cc: New file.
5318 * testsuite/Makefile.am (BUILT_SOURCES): Define.
5319 (check_PROGRAMS): Add many_sections_test.
5320 (many_sections_test_SOURCES): Define.
5321 (many_sections_test_DEPENDENCIES): Define.
5322 (many_sections_test_LDFLAGS): Define.
5323 (BUILT_SOURCES): Add many_sections_define.h.
5324 (many_sections_define.h): New target.
5325 (BUILT_SOURCES): Add many_sections_check.h.
5326 (many_sections_check.h): New target.
5327 (check_PROGRAMS): Add many_sections_r_test.
5328 (many_sections_r_test_SOURCES): Define.
5329 (many_sections_r_test_DEPENDENCIES): Define.
5330 (many_sections_r_test_LDFLAGS): Define.
5331 (many_sections_r_test_LDADD): Define.
5332 (many_sections_r_test.o): New target.
5333 * testsuite/Makefile.in: Rebuild.
5335 2008-04-17 Cary Coutant <ccoutant@google.com>
5337 * errors.cc (Errors::info): New function.
5338 (gold_info): New function.
5339 * errors.h (Errors::info): New function.
5340 * gold.h (gold_info): New function.
5341 * object.cc (Input_objects::add_object): Print trace output.
5342 * options.cc (options::parse_set): New function.
5343 (General_options::parse_wrap): Deleted.
5344 (General_options::General_options): Deleted initializer.
5345 * options.h (options::String_set): New typedef.
5346 (options::parse_set): New function.
5347 (DEFINE_set): New macro.
5348 (General_options::wrap): Changed to use DEFINE_set. Changed
5349 callers of any_wrap_symbols and is_wrap_symbol.
5350 (General_options::trace, General_options::trace_symbol):
5352 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5353 (General_options::wrap_symbols_): Deleted.
5354 * symtab.cc (Symbol_table::add_from_object): Print trace output.
5356 2008-04-17 David S. Miller <davem@davemloft.net>
5358 * options.cc (General_options::parse_V): New function.
5359 * options.h: Add entries for -V and -Qy.
5361 2008-04-17 Ian Lance Taylor <iant@google.com>
5363 * common.cc (Symbol_table::allocate_commons): Remove options
5364 parameter. Change caller.
5365 (Symbol_table::do_allocate_commons): Remove options parameter.
5366 Change caller. Just call do_allocate_commons_list twice.
5367 (Symbol_table::do_allocate_commons_list): New function, broken out
5368 of do_allocate_commons.
5369 * common.h (class Allocate_commons_task): Remove options_ field.
5371 * symtab.cc (Symbol_table::Symbol_table): Initialize
5373 (Symbol_table::add_from_object): Put TLS common symbols on
5375 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5376 which are IN_OUTPUT_DATA.
5377 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
5378 allocate_commons and do_allocate_commons declarations. Declare
5379 do_allocate_commons_list.
5380 * gold.cc (queue_middle_tasks): Update creation of
5381 Allocate_commons_task to not pass options.
5382 * testsuite/Makefile.am (INCLUDES): Add -I.. .
5383 (TLS_TEST_C_FLAGS): New variable.
5384 (tls_test_c_pic.o): New target.
5385 (tls_test_shared.so): Link in tls_test_c_pic.o.
5386 (tls_test_c_pic_ie.o): New target.
5387 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5388 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5389 (tls_test_c.o): New target.
5390 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5391 (tls_pic_test_LDADD): Likewise.
5392 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5393 (tls_shared_gd_to_ie_test_LDADD): Likewise.
5394 (tls_test_c_gnu2.o): New target.
5395 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5397 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5398 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5399 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5400 * testsuite/tls_test.cc: Include "config.h".
5401 (t_last): Call t11_last.
5402 * testsuite/tls_test.h (t11, t11_last): Declare.
5403 * testsuite/tls_test_c.c: New file.
5404 * testsuite/tls_test_main.cc (thread_routine): Call t11.
5405 * configure.ac: Check for OpenMP support.
5406 * configure, config.in, Makefile.in: Rebuild.
5407 * testsuite/Makefile.in: Rebuild.
5409 2008-04-16 Cary Coutant <ccoutant@google.com>
5411 * i386.cc (Target_i386::define_tls_base_symbol): New function.
5412 (Target_i386::tls_base_symbol_defined_): New field.
5413 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5414 (Target_i386::Scan::global): Likewise.
5415 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5416 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5417 (Target_x86_64::tls_base_symbol_defined_): New field.
5418 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5419 (Target_x86_64::Scan::global): Likewise.
5421 2008-04-16 Cary Coutant <ccoutant@google.com>
5423 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5424 (Symbol::needs_plt_entry): Allow weak undefined symbols.
5425 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5426 building shared libraries.
5427 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5428 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5429 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5430 * testsuite/Makefile.in: Rebuild.
5431 * testsuite/weak_undef.h: New file.
5432 * testsuite/weak_undef_file1.cc: Add extra test cases.
5433 * testsuite/weak_undef_file2.cc: Likewise.
5434 * testsuite/weak_undef_test.cc: Likewise.
5436 2008-04-16 David S. Miller <davem@davemloft.net>
5438 * sparc.cc (Target_sparc::Scan): Change from struct to class.
5439 Add issued_non_pic_error_ field. Declare check_non_pic.
5440 (Target_sparc::Scan::check_non_pic): New function.
5441 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5442 (Target_sparc::Scan::global): Likewise.
5444 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5445 * configure: Rebuild.
5447 * options.h (DEFINE_enable): New macro.
5448 (new_dtags): New enable option.
5449 (initfirst, interpose, loadfltr, nodefaultlib,
5450 nodelete, nodlopen, nodump): New -z options.
5451 * layout.cc (Layout:finish_dynamic_section): If new
5452 dtags enabled, emit DT_RUNPATH. Also, emit a
5453 DT_FLAGS_1 containing any specified -z flags.
5455 2008-04-16 Ian Lance Taylor <iant@google.com>
5457 * copy-relocs.cc: New file.
5458 * copy-relocs.h: New file.
5459 * reloc.cc: Remove Copy_relocs code.
5460 * reloc.h: Likewise.
5461 * reloc-types.h (struct Reloc_types) [both versions]: Add
5462 get_reloc_addend_noerror.
5463 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5464 variants of add_global which take an addend which must be zero.
5465 * i386.cc: Include "copy-relocs.h".
5466 (class Target_i386): Change type of copy_relocs_ to variable,
5468 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5470 (Target_i386::do_finalize_sections): Change handling of
5472 * sparc.cc: Include "copy-relocs.h".
5473 (class Target_sparc): Change type of copy_relocs_ to variable,
5475 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5477 (Target_sparc::do_finalize_sections): Change handling of
5479 * x86_64.cc: Include "copy-relocs.h".
5480 (class Target_x86_64): Change type of copy_relocs_ to variable,
5482 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5483 class. Change all callers.
5484 (Target_x86_64::do_finalize_sections): Change handling of
5486 * Makefile.am (CCFILES): Add copy-relocs.cc.
5487 (HFILES): Add copy-relocs.h.
5489 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5491 * testsuite/script_test_4.sh: Permit leading zeroes.
5493 2008-04-15 Ian Lance Taylor <iant@google.com>
5495 * script-sections.cc (Script_sections::create_segments): Use
5496 header_size_adjustment even when there is enough room for the
5498 * testsuite/script_test_4.sh: New file.
5499 * testsuite/script_test_4.t: New file.
5500 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5501 (check_DATA): Add script_test_4.stdout.
5502 (MOSTLYCLEANFILES): Likewise.
5503 (script_test_4): New target.
5504 (script_test_4.stdout): New target.
5505 * testsuite/Makefile.in: Rebuild.
5507 * sparc.cc: Add definitions for Output_data_plt_sparc class
5510 2008-04-14 David S. Miller <davem@davemloft.net>
5512 * sparc.cc: New file.
5513 * Makefile.am (TARGETSOURCES): Add sparc.cc
5514 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5515 * configure.tgt: Document targ_extra_size and
5516 targ_extra_big_endian. Add entries for sparc-* and
5518 * configure.ac: Handle targ_extra_size and
5519 targ_extra_big_endian.
5520 * Makefile.in: Rebuild.
5521 * configure: Likewise.
5522 * po/POTFILES.in: Likewise.
5523 * po/gold.pot: Likewise.
5525 2008-04-14 Ian Lance Taylor <iant@google.com>
5527 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5528 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5529 in the name/type/flags to section mapping. Don't call
5530 allocate_output_section.
5531 (Layout::choose_output_section): Change parameter from adjust_name
5532 to is_input_section. Don't permit input sections after sections
5533 are attached to segments. Don't call allocate_output_section.
5534 (Layout::layout_eh_frame): Call update_flags_for_input_section,
5535 not write_enable_output_section.
5536 (Layout::make_output_section): Don't push to
5537 unattached_section_list_ nor call attach_to_segment. Call
5538 attach_section_to_segment if sections are attached.
5539 (Layout::attach_sections_to_segments): New function.
5540 (Layout::attach_section_to_segment): New function.
5541 (Layout::attach_allocated_section_to_segment): Rename from
5542 attach_to_segment. Remove flags parameter.
5543 (Layout::allocate_output_section): Remove function.
5544 (Layout::write_enable_output_section): Remove function.
5545 * layout.h (class Layout): Update for above changes. Add new
5546 field sections_are_attached_.
5547 * output.h (Output_section::update_flags_for_input_section): New
5549 * output.cc (Output_section::add_input_section): Call
5550 update_flags_for_input_section.
5551 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5553 2008-04-11 Cary Coutant <ccoutant@google.com>
5555 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5556 thought unnecessary.
5557 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5559 2008-04-11 Ian Lance Taylor <iant@google.com>
5561 * output.h (class Output_section_data): Remove inline definition
5563 * output.cc (Output_section_data::set_addralign): New function.
5565 2008-04-11 Cary Coutant <ccoutant@google.com>
5567 Add support for TLS descriptors for i386 and x86_64.
5568 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5569 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5570 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5572 (Target_i386::got_mod_index_entry): Remove unnecessary code.
5573 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5574 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
5576 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5577 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5578 Fix problem with initial-exec relocations.
5579 (Target_i386::Relocate::relocate_tls): Likewise.
5580 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5582 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5583 support for section-plus-offset dynamic table entries.
5584 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5585 (Output_data_dynamic::Dynamic_entry): Add support for
5586 section-plus-offset dynamic table entries.
5587 (Output_data_dynamic::Classification): Likewise.
5588 (Output_data_dynamic::classification_): Renamed offset_.
5589 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5590 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5591 (Target_x86_64::make_plt_section): New function.
5592 (Target_x86_64::reserve_tlsdesc_entries): New function.
5593 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5594 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5595 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5596 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5597 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5598 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5599 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5600 add extra PLT entry for TLS descriptors.
5601 (Output_data_plt_x86_64::got_): New field.
5602 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5603 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5605 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5607 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5608 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5609 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5610 R_386_TLS_DESC_CALL relocations.
5611 (Target_x86_64::Scan::global): Likewise.
5612 (Target_x86_64::do_finalize_sections): Add dynamic table entries
5613 for TLS descriptors.
5614 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5615 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5616 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5617 GD-to-IE relaxation.
5618 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5619 and TLS_DESCRIPTORS.
5620 * Makefile.in: Rebuild.
5621 * configure: Rebuild.
5622 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5623 (tls_test_shared2.so): New target.
5624 (tls_shared_gd_to_ie_test_SOURCES): New variable.
5625 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5626 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5627 (tls_shared_gd_to_ie_test_LDADD): New variable.
5628 (tls_shared_gnu2_gd_to_ie_test): New target.
5629 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5631 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5632 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5633 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5634 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5635 (tls_shared_gnu2_test): New target.
5636 (tls_test_gnu2_shared.so): New target.
5637 (tls_shared_gnu2_test_SOURCES): New variable.
5638 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5639 (tls_shared_gnu2_test_LDFLAGS): New variable.
5640 (tls_shared_gnu2_test_LDADD): New variable.
5641 * testsuite/Makefile.in: Rebuild.
5642 * testsuite/Makefile.
5644 2008-04-11 Ian Lance Taylor <iant@google.com>
5646 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5648 * testsuite/Makefile.in: Rebuild.
5650 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5652 * testsuite/script_test_2.cc (main): Adjust test.
5654 2008-04-11 David S. Miller <davem@davemloft.net>
5655 Ian Lance Taylor <iant@google.com>
5657 * options.h (General_options): Add entries for '-Y' and
5659 * options.cc (General_options:finalize): If -Y was used, add those
5660 entries to the library path instead of the default "/lib" and
5663 2008-04-11 David S. Miller <davem@davemloft.net>
5665 * testsuite/justsyms.t: Start at 0x100.
5666 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5667 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5669 * testsuite/script_test_2.cc: Adjust string and section length
5672 2008-04-09 Ian Lance Taylor <iant@google.com>
5675 * script-sections.cc (Sections_element::allocate_to_segment): Add
5677 (Output_section_definition::allocate_to_segment): Likewise.
5678 (Orphan_output_section::allocate_to_segment): Likewise.
5679 (Script_sections::attach_sections_using_phdrs_clause): Don't
5680 propagate non-PT_LOAD segments to orphan sections.
5681 * testsuite/Makefile.am (script_test_3.stdout): Generate using
5682 readelf rather than objdump.
5683 * testsuite/script_test_3.sh: Adjust accordingly. Test that
5684 .interp section and PT_INTERP segment are the same size.
5685 * testsuite/Makefile.in: Rebuild.
5687 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5688 aliases for symbols defined in the same object.
5689 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5690 (weak_alias_test_SOURCES): New variable.
5691 (weak_alias_test_DEPENDENCIES): New variable.
5692 (weak_alias_test_LDFLAGS): New variable.
5693 (weak_alias_test_LDADD): New variable.
5694 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5695 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5696 (weak_alias_test_3.o): New target.
5697 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5698 * testsuite/weak_alias_test_main.cc: New file.
5699 * testsuite/weak_alias_test_1.cc: New file.
5700 * testsuite/weak_alias_test_2.cc: New file.
5701 * testsuite/weak_alias_test_3.cc: New file.
5703 2008-04-08 Ian Lance Taylor <iant@google.com>
5705 * options.h (class General_options): Add --noinhibit-exec option.
5706 * main.cc (main): Check --noinhibit-exec.
5708 * options.h (class General_options): Define --wrap as a special
5709 option. Add wrap_symbols_ field.
5710 (General_options::any_wrap_symbols): New function.
5711 (General_options::is_wrap_symbol): New function.
5712 * options.cc (General_options::parse_wrap): New function.
5713 (General_options::General_options): Initialize wrap_symbols_.
5714 * symtab.cc (Symbol_table::wrap_symbol): New function.
5715 (Symbol_table::add_from_object): Handle --wrap.
5716 * symtab.h (class Symbol_table): Declare wrap_symbol.
5717 * target.h (Target::wrap_char): New function.
5718 (Target::Target_info): Add wrap_char field.
5719 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5720 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5721 * testsuite/testfile.cc (Target_test::test_target_info):
5724 * errors.cc (Errors::undefined_symbol): Mention symbol version if
5727 * layout.h (class Layout): Add added_eh_frame_data_ field.
5728 * layout.cc (Layout::Layout): Initialize new field.
5729 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5730 output section until we find a section we merged successfully.
5731 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5732 that the size be non-zero.
5734 * merge.cc (Object_merge_map::get_output_offset): Remove inline
5737 2008-04-08 Craig Silverstein <csilvers@google.com>
5739 * configure.ac: Export new conditional variable HAVE_ZLIB.
5740 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5742 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5743 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5745 2008-04-07 Ian Lance Taylor <iant@google.com>
5747 * version.cc (version_string): Set to "1.5".
5749 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5750 Add issued_non_pic_error_ field. Declare check_non_pic.
5751 (Target_x86_64::Scan::check_non_pic): New function.
5752 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5753 (Target_x86_64::Scan::global): Likewise.
5755 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5756 addend parameter. Change caller. Handle merge sections.
5757 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5758 Address to Addend. Don't add in the result of
5759 local_section_offset, pass down the addend and use the returned
5761 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5762 Update declarations of local_section_offset and symbol_value.
5763 * testsuite/two_file_test_1.cc (t18): New function.
5764 * testsuite/two_file_test_2.cc (f18): New function.
5765 * testsuite/two_file_test_main.cc (main): Call t18.
5766 * testsuite/two_file_test.h (t18, f18): Declare.
5768 * configure.ac: Don't test for objdump, c++filt, or readelf.
5769 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5771 (TEST_READELF): New variable.
5772 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5773 (check_PROGRAMS): Add two_file_strip_test.
5774 (two_file_strip_test): New target.
5775 (check_PROGRAMS): Add two_file_same_shared_strip_test.
5776 (two_file_same_shared_strip_test_SOURCES): New variable.
5777 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5778 (two_file_same_shared_strip_test_LDFLAGS): New variable.
5779 (two_file_same_shared_strip_test_LDADD): New variable.
5780 (two_file_shared_strip.so): New target.
5781 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5782 (ver_test_5.syms, ver_test_7.syms): Likewise.
5783 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5784 (strip_test_3.stdout): Use TEST_OBJDUMP.
5785 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5787 2008-04-04 Cary Coutant <ccoutant@google.com>
5789 * symtab.h (Symbol::is_weak_undefined): New function.
5790 (Symbol::is_strong_undefined): New function.
5791 (Symbol::is_absolute): New function.
5792 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5793 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5795 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5796 (weak_undef_test): New target.
5797 * testsuite/Makefile.in: Rebuild.
5798 * testsuite/weak_undef_file1.cc: New file.
5799 * testsuite/weak_undef_file2.cc: New file.
5800 * testsuite/weak_undef_test.cc: New file.
5802 2008-04-03 Craig Silverstein <csilvers@google.com>
5804 * compressed_output.h (class Output_compressed_section): Use
5806 * compressed_output.cc (zlib_compress): Use unsigned buffers,
5808 (zlib_compressed_suffix): Removed.
5809 (Output_compressed_section::set_final_data_size): Use unsigned
5811 * testsuite/Makefile.am (flagstest_compress_debug_sections):
5812 Fix linker invocation.
5813 (flagstest_o_specialfile_and_compress_debug_sections):
5815 * testsuite/Makefile.in: Regenerated.
5817 2008-04-02 David S. Miller <davem@davemloft.net>
5819 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5820 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5822 2008-04-02 Craig Silverstein <csilvers@google.com>
5826 2008-04-02 Ian Lance Taylor <iant@google.com>
5828 * fileread.cc (File_read::find_view): Add byteshift and vshifted
5829 parameters. Update for new key type to views_. Change all
5831 (File_read::read): Adjust for byteshift in returned view.
5832 (File_read::add_view): New function, broken out of
5834 (File_read::make_view): New function, broken out of
5836 (File_read::find_or_make_view): Add offset and aligned
5837 parameters. Rewrite accordingly. Change all callers.
5838 (File_read::get_view): Add offset and aligned parameters. Adjust
5839 for byteshift in return value.
5840 (File_read::get_lasting_view): Likewise.
5841 * fileread.h (class File_read): Update declarations.
5842 (class File_read::View): Add byteshift_ field. Add byteshift to
5843 constructor. Add byteshift method.
5844 * archive.h (Archive::clear_uncached_views): New function.
5845 (Archive::get_view): Add aligned parameter. Change all callers.
5846 * object.h (Object::get_view): Add aligned parameter. Change all
5848 (Object::get_lasting_view): Likewise.
5850 * fileread.cc (File_read::release): Don't call clear_views if
5851 there are multiple objects.
5852 * fileread.h (File_read::clear_uncached_views): New function.
5853 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5856 2008-03-31 Cary Coutant <ccoutant@google.com>
5858 Add thin archive support.
5859 * archive.cc (Archive::armagt): New const.
5860 (Archive::setup): Remove task parameter and calls to unlock.
5861 (Archive::unlock_nested_archives): New function.
5862 (Archive::read_header): Add nested_off parameter. Change
5864 (Archive::interpret_header): Likewise.
5865 (Archive::include_all_members): Change to handle thin
5867 (Archive::include_member): Likewise.
5868 * archive.h (Archive::Archive): Add new parameters and
5870 (Archive::armagt): New const.
5871 (Archive::setup): Remove task parameter.
5872 (Archive::unlock_nested_archives): New function.
5873 (Archive::read_header): Add nested_off parameter.
5874 (Archive::interpret_header): Likewise.
5875 (Archive::Nested_archive_table): New typedef.
5876 (Archive::is_thin_archive_): New field.
5877 (Archive::nested_archives_): New field.
5878 (Archive::options_): New field.
5879 (Archive::dirpath_): New field.
5880 (Archive::task_): New field.
5881 * readsyms.cc (Read_symbols::do_read_symbols): Add check
5882 for thin archives. Pass additional parameters to
5883 Archive::Archive. Unlock the archive file after calling
5886 2008-03-29 Ian Lance Taylor <iant@google.com>
5888 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5889 version symbol to be local.
5890 * testsuite/ver_test_4.sh: New file.
5891 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5892 (check_DATA): Add ver_test_4.syms.
5893 (ver_test_4.syms): New target.
5894 * testsuite/Makefile.in: Rebuild.
5897 (Output_section::Input_section_sort_entry::has_priority): New
5899 (Output_section::Input_section_sort_entry::match_file_name): New
5901 (Output_section::Input_section_sort_entry::match_section_name):
5903 (Output_section::Input_section_sort_entry::match_section_name_prefix):
5905 (Output_section::Input_section_sort_entry::match_section_file):
5907 (Output_section::Input_section_sort_compare::operator()): Rewrite
5908 using new Input_section_sort_entry functions. Sort crtbegin and
5909 crtend first. Sort sections with no priority before sections with
5911 * testsuite/initpri1.c (d3): Check j != 4.
5912 (cd5): New constructor/destructor function.
5913 (main): Check j != 2.
5915 * symtab.cc (Symbol_table::add_from_object): If we don't use the
5916 new symbol when resolving, don't call set_is_default.
5917 * testsuite/ver_test_7.cc: New file.
5918 * testsuite/ver_test_7.sh: New file.
5919 * testsuite/Makefile.am (ver_test_7.so): New target.
5920 (ver_test_7.o): New target.
5921 (check_SCRIPTS): Add ver_test_7.sh.
5922 (check_DATA): Add ver_test_7.syms.
5923 (ver_test_7.syms): New target.
5925 2008-03-28 Ian Lance Taylor <iant@google.com>
5927 * layout.cc (Layout::layout): If we see an input section with a
5928 name that needs sorting, set the must_sort flag for the output
5930 (Layout::make_output_section): If the name of the output section
5931 indicates that it might require sorting, set the may_sort flag.
5932 * output.h (Output_section::may_sort_attached_input_sections): New
5934 (Output_section::set_may_sort_attached_input_sections): New
5936 (Output_section::must_sort_attached_input_sections): New
5938 (Output_section::set_must_sort_attached_input_sections): New
5940 (class Output_section): Declare Input_section_sort_entry. Define
5941 Input_section_sort_compare. Declare
5942 sort_attached_input_sections. Add new fields:
5943 may_sort_attached_input_sections_,
5944 must_sort_attached_input_sections_,
5945 attached_input_sections_are_sorted_.
5946 * output.cc (Output_section::Output_section): Initialize new
5948 (Output_section::add_input_section): Add an entry to
5949 input_sections_ if may_sort or must_sort are true.
5950 (Output_section::set_final_data_size): Call
5951 sort_attached_input_sections if necessary.
5952 (Output_section::Input_section_sort_entry): Define new class.
5953 (Output_section::Input_section_sort_compare::operator()): New
5955 (Output_section::sort_attached_input_sections): New function.
5956 * configure.ac: Check whether the compiler supports constructor
5957 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
5958 * testsuite/initpri1.c: New file.
5959 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5960 CONSTRUCTOR_PRIORITY.
5961 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5962 (initpri1_LDFLAGS): New variable.
5963 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5965 2008-03-27 Ian Lance Taylor <iant@google.com>
5967 * common.cc (Sort_commons::operator): Correct sorting algorithm.
5968 * testsuite/common_test_1.c: New file.
5969 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5970 (common_test_1_SOURCES): New variable.
5971 (common_test_1_DEPENDENCIES): New variable.
5972 (common_test_1_LDFLAGS): New variable.
5974 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5975 and commons_ correctly when NAME/VERSION does not override
5977 * testsuite/ver_test_6.c: New file.
5978 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5979 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5980 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5982 2008-03-26 Ian Lance Taylor <iant@google.com>
5984 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5985 of an undefined symbol from a version script.
5986 * testsuite/Makefile.am (ver_test_5.so): New target.
5987 (ver_test_5.o): New target.
5988 (check_SCRIPTS): Add ver_test_5.sh.
5989 (check_DATA): Add ver_test_5.syms.
5990 (ver_test_5.syms): New target.
5991 * testsuite/ver_test_5.cc: New file.
5992 * testsuite/ver_test_5.script: New file.
5993 * testsuite/ver_test_5.sh: New file.
5994 * Makefile.in, testsuite/Makefile.in: Rebuild.
5997 Fix problems building gold with gcc 4.3.0.
5998 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5999 (gold_error_at_location, gold_warning_at_location): Use it.
6000 * configure.ac: Check whether we can compile and use a template
6001 function with a printf attribute.
6002 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6003 when jumping over bytes.
6004 * object.cc: Instantiate Object::read_section_data.
6005 * debug.h: Include <cstring>
6006 * dwarf_reader.cc: Include <algorithm>
6007 * main.cc: Include <cstring>.
6008 * options.cc: Include <cstring>.
6009 * output.cc: Include <cstring>.
6010 * script.cc: Include <cstring>.
6011 * script.h: Include <string>.
6012 * symtab.cc: Include <cstring> and <algorithm>.
6013 * target-select.cc: Include <cstring>.
6014 * version.cc: Include <string>.
6015 * testsuite/testmain.cc: Include <cstdlib>.
6016 * configure, config.in: Rebuild.
6018 2008-03-25 Ian Lance Taylor <iant@google.com>
6020 * options.cc: Include "../bfd/bfdver.h".
6021 (options::help): Print bug reporting address.
6023 * version.cc (print_version): Adjust output for current value of
6028 * options.cc (options::help): Print list of supported targets.
6029 * target-select.h: Include <vector>.
6030 (class Target_selector): Make machine_, size_, and is_big_endian_
6031 fields const. Add bfd_name_ and instantiated_target_ fields.
6032 (Target_selector::Target_selector): Add bfd_name parameter.
6033 (Target_selector::recognize): Make non-virtual, call
6035 (Target_selector::recognize_by_name): Make non-virtual, call
6036 do_recognize_by_name.
6037 (Target_selector::supported_names): New function.
6038 (Target_selector::bfd_name): New function.
6039 (Target_selector::do_instantiate_target): New pure virtual
6041 (Target_selector::do_recognize): New virtual function.
6042 (Target_selector::do_recognize_by_name): New virtual function.
6043 (Target_selector::instantiate_target): New private function.
6044 (supported_target_names): Declare.
6045 * target-select.cc (Target_selector::Target_selector): Update for
6046 new parameter and fields.
6047 (select_target_by_name): Check that the name matches before
6048 calling recognize_by_name.
6049 (supported_target_names): New function.
6050 * i386.cc (class Target_selector_i386): Update Target_selector
6051 constructor call. Remove recognize and recognize_by_name. Add
6052 do_instantiate_target.
6053 * x86_64.cc (class Target_selector_x86_64): Likewise.
6054 * testsuite/testfile.cc (class Target_selector_test): Update for
6055 changes to Target_selector.
6057 * README: Rewrite, with some notes on unsupported features.
6059 2008-03-24 Cary Coutant <ccoutant@google.com>
6061 * i386.cc (Target_i386::Got_type): New enum declaration.
6062 (Target_i386::Scan::local): Updated callers of Output_data_got
6064 (Target_i386::Scan::global): Likewise.
6065 (Target_i386::Relocate::relocate): Likewise.
6066 (Target_i386::Relocate::relocate_tls): Likewise.
6067 * object.h (Got_offset_list): New class.
6068 (Sized_relobj::local_has_got_offset): Added got_type parameter.
6069 (Sized_relobj::local_got_offset): Likewise.
6070 (Sized_relobj::set_local_got_offset): Likewise.
6071 (Sized_relobj::local_has_tls_got_offset): Removed.
6072 (Sized_relobj::local_tls_got_offset): Removed.
6073 (Sized_relobj::set_local_tls_got_offset): Removed.
6074 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6075 * output.cc (Output_data_got::add_global): Added got_type parameter.
6076 (Output_data_got::add_global_with_rel): Likewise.
6077 (Output_data_got::add_global_with_rela): Likewise.
6078 (Output_data_got::add_global_pair_with_rel): New function.
6079 (Output_data_got::add_global_pair_with_rela): New function.
6080 (Output_data_got::add_local): Added got_type parameter.
6081 (Output_data_got::add_local_with_rel): Likewise.
6082 (Output_data_got::add_local_with_rela): Likewise.
6083 (Output_data_got::add_local_pair_with_rel): New function.
6084 (Output_data_got::add_local_pair_with_rela): New function.
6085 (Output_data_got::add_global_tls): Removed.
6086 (Output_data_got::add_global_tls_with_rel): Removed.
6087 (Output_data_got::add_global_tls_with_rela): Removed.
6088 (Output_data_got::add_local_tls): Removed.
6089 (Output_data_got::add_local_tls_with_rel): Removed.
6090 (Output_data_got::add_local_tls_with_rela): Removed.
6091 * output.h (Output_data_got::add_global): Added got_type parameter.
6092 (Output_data_got::add_global_with_rel): Likewise.
6093 (Output_data_got::add_global_with_rela): Likewise.
6094 (Output_data_got::add_global_pair_with_rel): New function.
6095 (Output_data_got::add_global_pair_with_rela): New function.
6096 (Output_data_got::add_local): Added got_type parameter.
6097 (Output_data_got::add_local_with_rel): Likewise.
6098 (Output_data_got::add_local_with_rela): Likewise.
6099 (Output_data_got::add_local_pair_with_rel): New function.
6100 (Output_data_got::add_local_pair_with_rela): New function.
6101 (Output_data_got::add_global_tls): Removed.
6102 (Output_data_got::add_global_tls_with_rel): Removed.
6103 (Output_data_got::add_global_tls_with_rela): Removed.
6104 (Output_data_got::add_local_tls): Removed.
6105 (Output_data_got::add_local_tls_with_rel): Removed.
6106 (Output_data_got::add_local_tls_with_rela): Removed.
6107 * resolve.cc (Symbol::override_base_with_special): Removed
6108 reference to has_got_offset_ field.
6109 * symtab.cc (Symbol::init_fields): Replaced initialization
6110 of got_offset_ with got_offsets_. Removed initialization
6112 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
6113 (Symbol::got_offset): Likewise.
6114 (Symbol::set_got_offset): Likewise.
6115 (Symbol::has_tls_got_offset): Removed.
6116 (Symbol::tls_got_offset): Removed.
6117 (Symbol::set_tls_got_offset): Removed.
6118 (Symbol::got_offset_): Removed.
6119 (Symbol::tls_mod_got_offset_): Removed.
6120 (Symbol::tls_pair_got_offset_): Removed.
6121 (Symbol::got_offsets_): New field.
6122 (Symbol::has_got_offset): Removed.
6123 (Symbol::has_tls_mod_got_offset): Removed.
6124 (Symbol::has_tls_pair_got_offset): Removed.
6125 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
6126 (Target_x86_64::Scan::local): Updated callers of Output_data_got
6128 (Target_x86_64::Scan::global): Likewise.
6129 (Target_x86_64::Relocate::relocate): Likewise.
6130 (Target_x86_64::Relocate::relocate_tls): Likewise.
6132 2008-03-25 Ben Elliston <bje@au.ibm.com>
6134 * yyscript.y: Fix spelling error in comment.
6136 2008-03-24 Ian Lance Taylor <iant@google.com>
6138 * options.h (class General_options): Define build_id option.
6139 * layout.h (class Layout): Declare write_build_id, create_note,
6140 create_build_id. Add build_id_note_ member.
6141 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
6142 "libiberty.h", "md5.h", "sha1.h".
6143 (Layout::Layout): Initialize eh_frame_data_,
6144 eh_frame_hdr_section_, and build_id_note_.
6145 (Layout::finalize): Call create_build_id.
6146 (Layout::create_note): New function, broken out of
6147 Layout::create_gold_note.
6148 (Layout::create_gold_note): Call create_note.
6149 (Layout::create_build_id): New function.
6150 (Layout::write_build_id): New function.
6151 (Close_task_runner::run): Call write_build_id.
6153 * x86_64.cc: Correct license to GPLv3.
6155 2008-03-23 Ian Lance Taylor <iant@google.com>
6157 * options.cc: Include "demangle.h".
6158 (parse_optional_string): New function.
6159 (parse_long_option): Handle takes_optional_argument.
6160 (parse_short_option): Update dash_z initializer. Handle
6161 takes_optional_argument.
6162 (General_options::General_options): Initialize do_demangle_.
6163 (General_options::finalize): Set do_demangle_. Handle demangling
6165 * options.h (parse_optional_string): Declare.
6166 (struct One_option): Add optional_arg field. Update constructor.
6167 Update call constructor calls. Add takes_optional_argument
6169 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
6170 (DEFINE_optional_string): Define.
6171 (General_options::demangle): Change from DEFINE_bool to
6172 DEFINE_optional_string.
6173 (General_options::no_demangle): New function.
6174 (General_options::do_demangle): New function.
6175 (General_options::set_do_demangle): New function.
6176 (General_options::execstack_status_): Move definition to end of
6178 (General_options::static_): Likewise.
6179 (General_options::do_demangle_): New field.
6180 * object.cc (big_endian>::get_symbol_location_info): Call
6181 Options::do_demangle, not Options::demangle.
6182 * symtab.cc (demangle): Likewise.
6184 2008-03-22 Ian Lance Taylor <iant@google.com>
6186 * gold.h: Include <cstddef> and <sys/types.h>
6187 * options.h: Include <cstring>.
6189 2008-03-21 Ian Lance Taylor <iant@google.com>
6191 * Added source code to GNU binutils.