1 2009-11-10 Doug Kwan <dougkwan@google.com>
3 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5 (Target_arm::relocate_stub): New method declaration.
6 (Target_arm::default_target): Change to return a pointer instead of
8 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9 Target_arm::default_target.
10 (Arm_Relobj::do_relocate_sections): Remove options paramater in
12 (Target_arm::relocate_section): Adjust view.
13 (Target_arm::relocate_stub): New method definition.
15 2009-11-10 Doug Kwan <dougkwan@google.com>
17 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
19 * incremental.cc (open_incremental_binary): Initialized local
20 variables to avoid warnings.
21 * object.cc (make_elf_object): Ditto.
22 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
25 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
28 * testsuite/plugin_test.c: Include "config.h".
30 2009-11-09 Doug Kwan <dougkwan@google.com>
32 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
33 (arm_symbol_value): Remove.
34 (Arm_relocate_functions::arm_branch_common,
35 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
36 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
37 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
38 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
39 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
40 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
41 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
42 Arm_relocate_functions::thm_mobw_abs_nc,
43 Arm_relocate_functions::thm_mov_abs,
44 Arm_relocate_functions::movw_prel_nc,
45 Arm_relocate_functions::thm_movt_abs,
46 Arm_relocate_functions::movt_prel,
47 Arm_relocate_functions::thm_movw_prel_nc,
48 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
49 (Target_arm::Relocate::relocate): Only decompose address into two
50 parts if relocation type uses the thumb-bit and pass the actual
51 bit instead of a flag indicating that the thumb-bit is used. Adjust
52 calls to methods in Arm_relocate_functions for this change.
54 2009-11-08 Ian Lance Taylor <ian@airs.com>
57 * reloc.cc: Instantiate
58 Sized_relobj::initialize_input_to_output_maps and
59 Sized_relobj:free_input_to_output_maps.
61 2009-11-06 Ian Lance Taylor <iant@google.com>
64 * defstd.cc (in_segment): Set only_if_ref true for "end".
66 2009-11-06 Doug Kwan <dougkwan@google.com>
68 * arm.cc (class Reloc_stub): Correct a comment.
69 (Target_arm::Target_arm): Initialize arm_input_section_map_.
70 (Target_arm::scan_section_for_stubs): New method declaration.
71 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
72 Change methods from private to protected.
73 (Target_arm::do_may_relax): New method definition.
74 (Target_arm::do_relax, Target_arm::group_sections,
75 Target_arm::scan_reloc_for_stub,
76 Target_arm::scan_reloc_section_for_stubs): New method declarations.
77 (Target_arm::arm_input_section_map_): New data member declaration.
78 (Target_arm::scan_reloc_for_stub,
79 Target_arm::scan_reloc_section_for_stubs,
80 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
81 Target_arm::do_relax): New method definitions.
83 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
85 * configure.ac: Check for (struct stat)::st_mtim
86 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
87 * config.in: Regenerate.
88 * configure: Regenerate.
90 2009-11-05 Ian Lance Taylor <iant@google.com>
93 * output.cc (Output_segment::add_output_section): Add missing
96 2009-11-04 Ian Lance Taylor <iant@google.com>
99 * object.h (class Object): Add is_needed and set_is_needed
100 methods. Add is_needed_ field. Make bool fields into bitfields.
101 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
102 defined in a dynamic object and referenced by a regular object,
103 set is_needed for the dynamic object.
104 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
105 if the file is marked with as_needed and it is not needed.
107 2009-11-04 Ian Lance Taylor <iant@google.com>
110 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
111 tags if data is discarded by linker script.
112 * i386.cc (Target_i386::do_finalize_sections): Likewise.
113 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
114 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
115 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
117 2009-11-04 Ian Lance Taylor <iant@google.com>
119 * layout.cc (Layout::get_output_section): Add is_interp and
120 is_dynamic_linker_section parameters. Change all callers.
121 (Layout::choose_output_section): Likewise.
122 (Layout::make_output_section): Likewise.
123 (Layout::add_output_section_data): Add is_dynamic_linker_section
124 parameter. Change all callers.
125 * layout.h (class Layout): Update declarations.
126 * output.h (class Output_section): Add is_interp, set_is_interp,
127 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
128 Add is_interp_, is_dynamic_linker_section_ fields. Change
129 generate_code_fills_at_write_ to a bitfield.
130 * output.cc (Output_section::Output_sections): Initialize new
132 (Output_segment::add_output_section): Add do_sort parameter.
135 2009-11-03 Ian Lance Taylor <iant@google.com>
138 * options.h (class General_options): Add --warn-common.
139 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
140 merging two common symbols.
141 (Symbol_table::should_override): Handle --warn-common when merging
142 a common symbol with a defined symbol. Use report_resolve_problem
143 for multiple definitions.
144 (Symbol_table::report_resolve_problem): New function.
145 * symtab.h (class Symbol_table): Declare report_resolve_problem.
147 2009-11-03 Doug Kwan <dougkwan@google.com>
149 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
151 (Target_arm::stub_factory): New method definition.
152 (Target_arm::new_arm_input_section,
153 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
154 Target_arm::reloc_uses_thumb_bit): New method declarations.
155 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
156 New type definitions.
157 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
159 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
160 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
161 New method definitions.
163 2009-11-03 Ian Lance Taylor <iant@google.com>
165 * options.h (class General_options): Add --warn_constructors.
167 2009-11-03 Ian Lance Taylor <iant@google.com>
170 * defstd.cc (in_section): Add entries for __rel_iplt_start,
171 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
173 2009-11-03 Ian Lance Taylor <iant@google.com>
176 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
177 --msgid-bugs-address.
178 (install-pdf): New target.
179 (install-data_yes): Look up one directory to find mkinstalldirs.
181 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
183 * po/Make-in (.po.gmo): Don't generate .gmo files in source
186 2009-10-30 Doug Kwan <dougkwan@google.com>
188 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
190 2009-10-30 Doug Kwan <dougkwan@google.com>
192 * arm.cc (Stub_addend_reader): New struct template definition
193 and partial specializations.
194 (Stub_addend_reader::operator()): New method definition for a
195 partially specialized template.
197 2009-10-30 Doug Kwan <dougkwan@google.com>
199 * arm.cc (Arm_relobj::processor_specific_flags): New method
201 (Arm_relobj::do_read_symbols): New method declaration.
202 (Arm_relobj::processor_specific_flags_): New data member declaration.
203 (Arm_dynobj): New class definition.
204 (Target_arm::do_finalize_sections): Add input_objects parameter.
205 (Target_arm::do_adjust_elf_header): New method declaration.
206 (Target_arm::are_eabi_versions_compatible,
207 (Target_arm::merge_processor_specific_flags): New method declaration.
208 (Target_arm::do_make_elf_object): New overloaded method definitions
210 (Arm_relobj::do_read_symbols): New method definition.
211 (Arm_dynobj::do_read_symbols): Ditto.
212 (Target_arm::do_finalize_sections): Add input_objects parameters.
213 Merge processor-specific flags from all input objects.
214 (Target_arm::are_eabi_versions_compatible,
215 Target_arm::merge_processor_specific_flags,
216 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
217 New method definitions.
218 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
219 Input_objects pointer type parameter.
220 * layout.cc (Layout::finalize): Pass input objects to target's.
221 finalize_sections function.
222 * output.cc (Output_file_header::do_sized_write): Set ELF file
223 header's processor-specific flags.
224 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
225 Input_objects pointer type parameter.
226 * sparc.cc (Target_sparc::do_finalize_sections): Same.
227 * target.h (Input_objects): New forward class declaration.
228 (Target::processor_specific_flags,
229 Target::are_processor_specific_flags_sect): New method definitions.
230 (Target::finalize_sections): Add input_objects parameter.
231 (Target::Target): Initialize processor_specific_flags_ and
232 are_processor_specific_flags_set_.
233 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
235 (Target::set_processor_specific_flags): New method definition.
236 (Target::processor_specific_flags_,
237 Target::are_processor_specific_flags_set_): New data member
239 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
240 Input_objects pointer type parameter.
242 2009-10-30 Doug Kwan <dougkwan@google.com>
244 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
246 2009-10-28 Ian Lance Taylor <iant@google.com>
248 * object.h (class Relobj): Drop options parameter from
249 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
250 do_scan_relocs, do_relocate. Change all callers.
251 (class Sized_relobj): Drop options parameters from
252 do_gc_process_relocs, do_scan_relocs, do_relocate,
253 do_relocate_sections, relocate_sections, emit_relocs_scan,
254 emit_relocs_scan_reltype. Change all callers.
255 (struct Relocate_info): Remove options field and all references to
257 * reloc.h (class Read_relocs): Remove options constructor
258 parameter and options_ field. Change all callers.
259 (class Gc_process_relocs, class Scan_relocs): Likewise.
260 (class Relocate_task): Likewise.
261 * target-reloc.h (scan_relocs): Remove options parameter. Change
263 (scan_relocatable_relocs): Likewise.
264 * target.h (class Sized_target): Remove options parameter from
265 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
267 * gc.h (gc_process_relocs): Remove options parameter. Change all
269 * arm.cc: Update functions to remove options parameters.
271 * powerpc.cc: Likewise.
272 * sparc.cc: Likewise.
273 * x86_64.cc: Likewise.
274 * testsuite/testfile.cc: Likewise.
276 2009-10-28 Doug Kwan <dougkwan@google.com>
278 * arm.cc (Arm_relobj): New class definition.
279 (Arm_relobj::scan_sections_for_stubs,
280 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
281 New method definitions.
283 2009-10-28 Cary Coutant <ccoutant@google.com>
285 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
286 (Plugin::cleanup_done_): New member.
287 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
288 (Plugin_manager::cleanup_done_): Remove.
289 (Plugin_manager::add_input_file): Edit error message.
290 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
291 (Plugin_manager::cleanup): Remove use of cleanup_done_.
293 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
295 * fileread.cc: (File_read::View::~View): Use the new
296 data_ownership_ filed.
297 (File_read::~File_read): Dispose the new whole_file_view_.
298 (File_read::open): Mmap the whole file if needed.
299 (File_read::open): Use whole_file_view_ instead of contents_.
300 (File_read::find_view): Use whole_file_view_ if applicable.
301 (File_read::do_read): Use whole_file_view_ instead of contents_.
302 (File_read::make_view): Use whole_file_view_ instead of contents_,
303 update File_read::View::View call.
304 (File_read::find_or_make_view): Update File_read::View::View
306 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
308 (File_read::View::Data_ownership): New enum.
309 (File_read::View::View): Replace bool mapped_ with Data_ownership
311 (File_read::View::mapped_): Remove (replaced by data_ownership_).
312 (File_read::View::data_ownership_): New field.
313 (File_read::contents_): Remove (replaced by whole_file_view_).
314 (File_read::whole_file_view_): New field.
315 * options.h (class General_options): Add --keep-files-mapped.
317 2009-10-27 Cary Coutant <ccoutant@google.com>
319 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
320 * testsuite/Makefile.am (plugin_test_5): New test case.
321 * testsuite/Makefile.in: Regenerate.
323 2009-10-25 Doug Kwan <dougkwan@google.com>
325 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
326 from private to protected to allow access by child class.
327 (Sized_relobj::do_relocate_sections): New method declaration.
328 (Sized_relobj::relocate_sections): Virtualize.
329 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
330 Sized_relobj::relocate_sections. Instantiate template explicitly
331 for different target sizes and endianity.
333 2009-10-24 Doug Kwan <dougkwan@google.com>
335 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
336 (Arm_input_section::as_arm_input_section): New method.
337 (Arm_output_section): New class definition.
338 (Arm_output_section::create_stub_group,
339 Arm_output_section::group_sections): New method definitions.
341 2009-10-22 Doug Kwan <dougkwan@google.com>
343 * arm.cc (Arm_input_section): New class definition.
344 (Arm_input_section::init, Arm_input_section:do_write,
345 Arm_input_section::set_final_data_size,
346 Arm_input_section::do_reset_address_and_file_offset): New method
349 2009-10-21 Doug Kwan <dougkwan@google.com>
351 * arm.cc (Stub_table, Arm_input_section): New forward class
353 (Stub_table): New class defintion.
354 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
355 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
356 New method definition.
358 2009-10-21 Doug Kwan <dougkwan@google.com>
360 * arm.cc: Update copyright comments.
361 (Target_arm): New forward class template declaration.
362 (Arm_address): New type.
363 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
364 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
365 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
367 (Insn_template): Same.
368 (DEF_STUBS): New macro.
369 (Stub_type): New enum type.
370 (Stub_template): New class definition.
373 (Stub_factory): Same.
374 (Target_arm::Target_arm): Initialize may_use_blx_ and
375 should_force_pic_veneer_.
376 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
377 Target_arm::should_force_pic_veneer,
378 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
379 Target_arm::using_thumb_only, Target_arm:;default_target): New
381 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
382 New data member declarations.
383 (Insn_template::size, Insn_template::alignment): New method defintions.
384 (Stub_template::Stub_template): New method definition.
385 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
386 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
387 (Stub_factory::Stub_factory): New method definition.
388 * gold.h (string_hash): New template.
389 * output.h (Input_section_specifier::hash_value): Use
391 (Input_section_specifier::string_hash): Remove.
392 * stringpool.cc (Stringpool_template::string_hash): Use
395 2009-10-20 Doug Kwan <dougkwan@google.com>
397 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
398 symbols of relaxed input sections.
399 * output.h (Output_section::find_relaxed_input_section): Make
402 2009-10-16 Doug Kwan <dougkwan@google.com>
404 * dynobj.cc (Versions::Versions): Initialize version_script_.
405 Only insert base version symbol definition for a shared object
406 if version script defines any version versions.
407 (Versions::define_base_version): New method definition.
408 (Versions::add_def): Check that base version is not needed.
409 (Versions::add_need): Define base version lazily.
410 * dynobj.h (Versions::define_base_version): New method declaration.
411 (Versions::needs_base_version_): New data member declaration.
412 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
413 (check_DATA): Add no_version_test.stdout.
414 (libno_version_test.so, no_version_test.o no_version_test.stdout):
416 * testsuite/Makefile.in: Regenerate.
417 * testsuite/no_version_test.c: New file.
418 * testsuite/no_version_test.sh: Ditto.
420 2009-10-16 Doug Kwan <dougkwan@google.com>
422 * expression.cc (class Segment_start_expression): New class definition.
423 (Segment_start_expression::value): New method definition.
424 (script_exp_function_segment_start): Return a new
425 Segment_start_expression.
426 * gold/script-c.h (script_saw_segment_start_expression): New function
428 * script-sections.cc (Script_sections::Script_sections): Initialize
429 SAW_SEGMENT_START_EXPRESSION_ to false.
430 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
431 and -Tbbs options to specify section addresses if given in
432 command line and no SEGMENT_START expression is seen in a script.
433 * script-sections.h (Script_sections::saw_segment_start_expression,
434 Script_sections::set_saw_segment_start_expression): New method
436 (Script_sections::saw_segment_start_expression_): New data member
438 * script.cc (script_saw_segment_start_expression): New function.
439 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
440 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
441 script_test_7.sh and script_test_8.sh.
442 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
443 script_test_8.stdout.
444 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
445 (script_test_6, script_test_6.stdout, script_test_7,
446 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
447 * Makefile.in: Regenerate.
448 * testsuite/script_test_6.sh: New file.
449 * testsuite/script_test_6.t: Same.
450 * testsuite/script_test_7.sh: Same.
451 * testsuite/script_test_7.t: Same.
452 * testsuite/script_test_8.sh: Same.
454 2009-10-16 Doug Kwan <dougkwan@google.com>
456 * output.cc (Output_segment::set_section_list_address): Cast
457 expressions to unsigned long long type to avoid format warnings.
459 2009-10-15 Ian Lance Taylor <iant@google.com>
461 * script.cc (Script_options::add_symbol_assignment): Always add a
462 dot assignment to script_sections_.
463 * script-sections.cc (Script_sections::add_dot_assignment):
464 Initialize if necessary.
466 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
467 program headers with no load segment if there is a linker script.
469 * layout.cc (Layout::set_segment_offsets): Align the file offset
470 to the segment aligment for -N or -n with no load segment.
471 * output.cc (Output_segment::add_output_section): Don't crash if
472 the first section is a TLS section.
473 (Output_segment::set_section_list_addresses): Print an error
474 message if the address moves backward in a linker script.
476 (Output_section_element_input::set_section_addresses): Don't
477 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
478 (Orphan_output_section::set_section_addresses): Likewise.
480 2009-10-15 Doug Kwan <dougkwan@google.com>
482 * layout.cc (Layout::finish_dynamic_section): Generate tags
483 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
484 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
485 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
487 2009-10-14 Ian Lance Taylor <iant@google.com>
489 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
491 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
492 data_shdr fields of relinfo.
493 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
494 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
495 R_386_TLS_LDO_32, adjust based on section flags.
496 (Target_i386::Relocate::fix_up_ldo): Remove.
498 2009-10-13 Ian Lance Taylor <iant@google.com>
500 Add support for -pie.
501 * options.h (class General_options): Add -pie and
503 (General_options::output_is_position_independent): Test -pie.
504 (General_options::output_is_executable): Return true if not shared
506 (General_options::output_is_pie): Remove.
507 * options.cc (General_options::finalize): Reject incompatible uses
509 * gold.cc (queue_middle_tasks): A -pie link is not static.
510 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
511 * symtab.cc (Symbol::final_value_is_known): Return false if
512 output_is_position_independent.
513 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
514 output_is_position_independent.
515 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
516 output_is_position_independent.
517 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
518 output_is_position_independent.
519 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
521 (basic_pie_test.o, basic_pie_test): New targets.
522 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
523 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
524 (two_file_pie_test): New target.
525 * testsuite/Makefile.in: Rebuild.
526 * README: Remove note saying that -pie is not supported.
528 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
530 * options.h (class General_options): Add -init and -fini.
531 * layout.cc (Layout::finish_dynamic_section): Emit
532 given init and fini functions.
534 2009-10-13 Sriraman Tallam <tmsriram@google.com>
536 * gc.h (gc_process_relocs): Check if icf is enabled using new
538 * gold.cc (queue_initial_tasks): Likewise.
539 (queue_middle_tasks): Likewise.
540 * object.cc (do_layout): Likewise.
541 * symtab.cc (is_section_folded): Likewise.
542 * main.cc (main): Likewise.
543 * reloc.cc (Read_relocs::run): Likewise.
544 (Sized_relobj::do_scan_relocs): Likewise.
545 * icf.cc (is_function_ctor_or_dtor): New function.
546 (Icf::find_identical_sections): Check if function is ctor or dtor when
548 * options.h (General_options::icf): Change option to be an enum.
549 (Icf_status): New enum.
550 (icf_enabled): New method.
551 (icf_safe_folding): New method.
552 (set_icf_status): New method.
553 (icf_status_): New variable.
554 * (options.cc) (General_options::finalize): Set icf_status_.
555 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
556 icf_test and icf_keep_unique_test to use the --icf enum flag.
557 * testsuite/icf_safe_test.sh: New file.
558 * testsuite/icf_safe_test.cc: New file.
560 2009-10-12 Sriraman Tallam <tmsriram@google.com>
562 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
563 includes to gc.h and icf.h.
564 * arm.cc: Include gc.h.
567 * powerpc.cc: Likewise.
568 * sparc.cc: Likewise.
569 * x86_64.cc: Likewise.
570 * gc.h: Include icf.h.
572 2009-10-11 Ian Lance Taylor <iant@google.com>
574 * plugin.cc: Include "gold.h" before other header files.
576 2009-10-10 Chris Demetriou <cgd@google.com>
578 * options.h (Input_file_argument::Input_file_type): New enum.
579 (Input_file_argument::is_lib_): Replace with...
580 (Input_file_argument::type_): New member.
581 (Input_file_argument::Input_file_argument): Take Input_file_type
582 'type' rather than boolean 'is_lib' as second argument.
583 (Input_file_argument::is_lib): Use type_.
584 (Input_file_argument::is_searched_file): New function.
585 (Input_file_argument::may_need_search): Handle is_searched_file.
586 * options.cc (General_options::parse_library): Support -l:filename.
587 (General_options::parse_just_symbols): Update for Input_file_argument
589 (Command_line::process): Likewise.
590 * archive.cc (Archive::get_file_and_offset): Likewise.
591 * plugin.cc (Plugin_manager::release_input_file): Likewise.
592 * script.cc (read_script_file, script_add_file): Likewise.
593 * fileread.cc (Input_file::Input_file): Likewise.
594 (Input_file::will_search_for): Handle is_searched_file.
595 (Input_file::open): Likewise.
596 * readsyms.cc (Read_symbols::get_name): Likewise.
597 * testsuite/Makefile.am (searched_file_test): New test.
598 * testsuite/Makefile.in: Regenerate.
599 * testsuite/searched_file_test.cc: New file.
600 * testsuite/searched_file_test_lib.cc: New file.
602 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
603 Ian Lance Taylor <iant@google.com>
605 * descriptor.cc: Include <cstdio> and "binary-io.h".
606 (Descriptors::open): Open the files in binary mode always.
607 * script.cc (Lex::get_token): Treat \r as whitespace.
609 2009-10-09 Ian Lance Taylor <iant@google.com>
611 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
613 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
614 Ian Lance Taylor <iant@google.com>
616 * configure.ac: Check for readv function also.
617 * fileread.cc (readv): Define if not HAVE_READV.
618 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
620 * config.in: Regenerate.
621 * configure: Regenerate.
623 2009-10-09 Doug Kwan <dougkwan@google.com>
625 * layout.cc (Layout::make_output_section): Call target hook to make
626 ordinary output section.
627 (Layout::finalize): Adjust parameter list of call the
629 * layout.h (class Layout::section_list): New method.
630 * merge.h (Output_merge_base::entsize): Change visibility to public.
631 (Output_merge_base::is_string, Output_merge_base::do_is_string):
633 (Output_merge_string::do_is_string): New method.
634 * object.cc (Sized_relobj::do_setup): renamed from
635 Sized_relobj::set_up.
636 * object.h (Sized_relobj::adjust_shndx,
637 Sized_relobj::initializ_input_to_output_maps,
638 Sized_relobj::free_input_to_output_maps): Change visibilities to
640 (Sized_relobj::setup): Virtualize.
641 (Sized_relobj::do_setup): New method declaration.
642 (Sized_relobj::invalidate_section_offset,
643 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
644 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
645 * options.cc (parse_int): New function.
646 * options.h (parse_int): New declaration.
647 (DEFINE_int): New macro.
648 (stub_group_size): New option.
649 * output.cc (Output_section::Output_section): Initialize memebers
650 merge_section_map_, merge_section_by_properties_map_,
651 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
652 (Output_section::add_input_section): Handled deferred code-fill
653 generation and remove an old comment.
654 (Output_section::add_relaxed_input_section): New method definition.
655 (Output_section::add_merge_input_section): Use merge section by
656 properties map to speed to search. Update merge section maps
658 (Output_section::build_relaxation_map): New method definition.
659 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
661 (Output_section::relax_input_section): Renamed to
662 Output_section::convert_input_sections_to_relaxed_sections and change
663 interface to take a vector of pointers to relaxed sections.
664 (Output_section::find_merge_section,
665 Output_section::find_relaxed_input_section): New method definitions.
666 (Output_section::is_input_address_mapped,
667 Output_section::output_offset, Output_section::output_address):
668 Use output section data maps to speed up searching.
669 (Output_section::find_starting_output_address): Add comments.
670 (Output_section::do_write,
671 Output_section::write_to_postprocessing_buffer): Do code-fill
672 generation as appropriate.
673 (Output_section::get_input_sections): Invalidate relaxed input section
675 (Output_section::restore_states): Adjust type of checkpoint .
676 Invalidate relaxed input section map.
677 * output.h (Output_merge_base): New class declaration.
678 (Input_section_specifier): New class defintion.
679 (class Output_relaxed_input_section) Change base class to
680 Output_section_data_build.
681 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
682 base class initializer.
683 (Output_section::add_relaxed_input_section): New method declaration.
684 (Output_section::Input_section): Change visibility to protected.
685 (Output_section::Input_section::relobj,
686 Output_section::Input_section::shndx): Handle relaxed input sections.
687 Output_section::input_sections) Change visibility to protected. Also
688 define overload to return a non-const pointer.
689 (Output_section::Merge_section_properties): New class defintion.
690 (Output_section::Merge_section_by_properties_map,
691 Output_section::Output_section_data_by_input_section_map,
692 Output_section::Relaxation_map): New types.
693 (Output_section::relax_input_section): Rename method to
694 Output_section::convert_input_sections_to_relaxed_sections and change
695 interface to take a vector of relaxed section pointers.
696 (Output_section::find_merge_section,
697 Output_section::find_relaxed_input_section,
698 Output_section::build_relaxation_map,
699 Output_section::convert_input_sections_in_list_to_relaxed_sections):
700 New method declarations.
701 (Output_section::merge_section_map_
702 Output_section::merge_section_by_properties_map_,
703 Output_section::relaxed_input_section_map_,
704 Output_section::is_relaxed_input_section_map_valid_,
705 Output_section::generate_code_fills_at_write_): New data members.
707 (Output_section_element_input::set_section_addresses): Call
708 current_data_size and addralign methods of relaxed input sections.
709 (Orphan_output_section::set_section_addresses): Call current_data_size
710 and addralign methods of relaxed input sections.
711 * symtab.cc (Symbol_table::compute_final_value): Extract template
712 from the body of Symbol_table::sized_finalize_symbol.
713 (Symbol_table::sized_finalized_symbol): Call
714 Symbol_table::compute_final_value.
715 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
716 (Symbol_table::compute_final_value): New templated method declaration.
717 * target.cc (Target::do_make_output_section): New method defintion.
718 * target.h (Target::make_output_section): New method declaration.
719 (Target::relax): Add more parameters for input objects, symbol table
720 and layout. Adjust call to do_relax.
721 (Target::do_make_output_section): New method declaration.
722 (Target::do_relax): Add parameters for input objects, symbol table
725 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
727 * pread.c: Include stdio.h.
729 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
731 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
734 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
736 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
737 Change read_shndx type to unsigned int.
738 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
740 (Sized_dwarf_line_info::read_line_mappings): Likewise.
741 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
742 Change read_shndx type to unsigned int.
743 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
745 (Sized_dwarf_line_info::read_line_mappings): Likewise.
746 * layout.cc (Layout::create_symtab_sections): Cast the result of
747 local_symcount * symsize to off_t in the gold_assert.
749 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
751 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
752 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
754 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
755 (Arm_relocate_functions::thm_abs5): New function.
756 (Arm_relocate_functions::abs12): New function.
757 (Arm_relocate_functions::abs16): New function.
758 (Arm_relocate_functions::base_abs): New function.
759 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
760 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
761 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
763 (Scan::global): Likewise.
764 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
765 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
766 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
767 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
770 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
772 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
773 (Arm_relocate_functions::movt_prel): New function.
774 (Arm_relocate_functions::thm_movw_prel_nc): New function.
775 (Arm_relocate_functions::thm_movt_prel): New function.
776 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
777 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
778 (Scan::global, Relocate::relocate): Likewise.
779 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
781 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
783 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
785 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
787 (class Incremental_inputs_header): New class.
788 (Incremental_inputs_header_writer): Edit comment.
789 (Incremental_inputs_entry): New class.
790 (Incremental_inputs_entry_writer): Edit comment.
791 (Sized_incremental_binary::do_find_incremental_inputs_section):
792 Add *strtab_shndx parameter, fill it.
793 (Sized_incremental_binary::do_check_inputs): New method.
794 (Incremental_checker::can_incrementally_link_output_file): Use
795 Sized_incremental_binary::check_inputs.
796 (Incremental_inputs::report_command_line): Save command line in
799 (Incremental_binary::find_incremental_inputs_section): New
801 (Incremental_binary::do_find_incremental_inputs_section): Add
802 strtab_shndx parameter.
803 (Incremental_binary::do_check_inputs): New pure virtual method.
804 (Sized_incremental_binary::do_check_inputs): Declare.
805 (Incremental_checker::Incremental_checker): Add incremental_inputs
806 parameter, use it to initialize incremental_inputs_.
807 (Incremental_checker::incremental_inputs_): New field.
808 (Incremental_checker::command_line): New method.
809 (Incremental_checker::inputs): New method.
810 (Incremental_checker::command_line_): New field.
812 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
814 * incremental.cc: Include <cstdarg> and "target-select.h".
815 (vexplain_no_incremental): New function.
816 (explain_no_incremental): New function.
817 (Incremental_binary::error): New method.
818 (Sized_incremental_binary::do_find_incremental_inputs_section): New
820 (make_sized_incremental_binary): New function.
821 (open_incremental_binary): New function.
822 (can_incrementally_link_file): Add checks if output is ELF and has
824 * incremental.h: Include "elfcpp_file.h" and "output.h".
825 (Incremental_binary): New class.
826 (Sized_incremental_binary): New class.
827 (open_incremental_binary): Declare.
828 * object.cc (is_elf_object): Use
829 elfcpp::Elf_recognizer::is_elf_file.
830 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
831 * output.h (Output_file::filesize): New method.
833 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
835 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
837 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
838 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
840 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
842 (Arm_relocate_functions::movw_abs_nc): New function.
843 (Arm_relocate_functions::movt_abs): New function.
844 (Arm_relocate_functions::thm_movw_abs_nc): New function.
845 (Arm_relocate_functions::thm_movt_abs): New function.
846 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
847 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
848 (Scan::global): Likewise.
849 (Relocate::relocate): Likewise.
850 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
852 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
854 * arm.cc (Arm_relocate_functions::got_prel) New function.
855 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
856 (Relocate::relocate): Likewise.
857 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
859 2009-10-06 Ian Lance Taylor <iant@google.com>
861 * options.h (class General_options): Define
862 split_stack_adjust_size parameter.
863 * object.h (class Object): Add uses_split_stack_ and
864 has_no_split_stack_ fields. Add uses_split_stack and
865 has_no_split_stack accessor functions. Declare
866 handle_split_stack_section.
867 (class Reloc_symbol_changes): Define.
868 (class Sized_relobj): Define Function_offsets. Declare
869 split_stack_adjust, split_stack_adjust_reltype, and
871 * object.cc (Object::handle_split_stack_section): New function.
872 (Sized_relobj::do_layout): Call handle_split_stack_section.
873 * dynobj.cc (Sized_dynobj::do_layout): Call
874 handle_split_stack_section.
875 * reloc.cc (Sized_relobj::relocate_sections): Call
876 split_stack_adjust for executable sections in split_stack
877 objects. Pass reloc_map to relocate_section.
878 (Sized_relobj::split_stack_adjust): New function.
879 (Sized_relobj::split_stack_adjust_reltype): New function.
880 (Sized_relobj::find_functions): New function.
881 * target-reloc.h: Include "object.h".
882 (relocate_section): Add reloc_symbol_changes parameter. Change
884 * target.h (class Target): Add calls_non_split method. Declare
885 do_calls_non_split virtual method. Declare match_view and
887 * target.cc: Include "elfcpp.h".
888 (Target::do_calls_non_split): New function.
889 (Target::match_view): New function.
890 (Target::set_view_to_nop): New function.
891 * gold.cc (queue_middle_tasks): Give an error if mixing
892 split-stack and non-split-stack objects with -r.
893 * i386.cc (Target_i386::relocate_section): Add
894 reloc_symbol_changes parameter.
895 (Target_i386::do_calls_non_split): New function.
896 * x86_64.cc (Target_x86_64::relocate_section): Add
897 reloc_symbol_changes parameter.
898 (Target_x86_64::do_calls_non_split): New function.
899 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
901 * powerpc.cc (Target_powerpc::relocate_section): Add
902 reloc_symbol_changes parameter.
903 * sparc.cc (Target_sparc::relocate_section): Add
904 reloc_symbol_changes parameter.
905 * configure.ac: Call AM_CONDITIONAL for the default target.
906 * configure: Rebuild.
907 * testsuite/Makefile.am (TEST_AS): New variable.
908 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
909 (check_DATA): Add split_i386 and split_x86_64 files.
910 (SPLIT_DEFSYMS): Define.
911 (split_i386_[1234n].o): New targets.
912 (split_i386_[124]): New targets.
913 (split_i386_[1234r].stdout): New targets.
914 (split_x86_64_[1234n].o): New targets.
915 (split_x86_64_[124]): New targets.
916 (split_x86_64_[1234r].stdout): New targets.
917 (MOSTLYCLEANFILES): Add new executables.
918 * testsuite/split_i386.sh: New file.
919 * testsuite/split_x86_64.sh: New file.
920 * testsuite/split_i386_1.s: New file.
921 * testsuite/split_i386_2.s: New file.
922 * testsuite/split_i386_3.s: New file.
923 * testsuite/split_i386_4.s: New file.
924 * testsuite/split_i386_n.s: New file.
925 * testsuite/split_x86_64_1.s: New file.
926 * testsuite/split_x86_64_2.s: New file.
927 * testsuite/split_x86_64_3.s: New file.
928 * testsuite/split_x86_64_4.s: New file.
929 * testsuite/split_x86_64_n.s: New file.
930 * testsuite/testfile.cc (Target_test): Update relocation_section
932 * testsuite/Makefile.in: Rebuild.
934 2009-10-06 Ian Lance Taylor <iant@google.com>
936 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
937 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
938 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
939 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
940 the address on ldo_addrs_.
941 (Target_i386::Relocate::fix_up_ldo): New function.
943 2009-10-06 Rafael Espindola <espindola@google.com>
945 * plugin.cc (add_input_library): New.
946 (Plugin::load): Add add_input_library to tv.
947 (Plugin_manager::add_input_file): Add the is_lib argument.
948 (add_input_file): Update call to Plugin_manager::add_input_file.
949 (add_input_library): New.
950 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
952 2009-09-30 Doug Kwan <dougkwan@google.com>
954 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
955 symbol and call Symbol::may_need_copy_reloc to determine if
956 a copy reloc is needed.
957 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
958 nocopyreloc is given in command line.
959 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
960 given in command line.
961 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
962 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
963 of the removed Target_i386::may_need_copy_reloc.
964 * options.h (copyreloc): New option with default value false.
965 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
966 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
967 instead of the removed Target_powerpc::may_need_copy_reloc.
968 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
969 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
970 instead of the removed Target_sparc::may_need_copy_reloc.
971 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
972 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
973 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
974 instead of the removed Target_x86_64::may_need_copy_reloc.
976 2009-09-30 Ian Lance Taylor <iant@google.com>
978 * object.h (class Object): Remove target_ field, and target,
979 sized_target, and set_target methods.
980 (Object::sized_target): Remove.
981 (class Sized_relobj): Update declarations. Remove sized_target.
982 * object.cc (Sized_relobj::setup): Remove target parameter.
984 (Input_objects::add_object): Don't do anything with the target.
985 (make_elf_sized_object): Add punconfigured parameter. Change all
986 callers. Set or test parameter target.
987 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
989 * parameters.cc (Parameters::set_target): Change parameter type to
991 (Parameters::default_target): Remove.
992 (set_parameters_target): Change parameter type to be non-const.
993 (parameters_force_valid_target): New function.
994 (parameters_clear_target): New function.
995 * parameters.h (class Parameters): Update declarations. Remove
996 default_target method. Add sized_target and clear_target
997 methods. Change target_ to be non-const.
998 (set_parameters_target): Update declaration.
999 (parameters_force_valid_target): Declare.
1000 (parameters_clear_target): Declare.
1001 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1002 as NULL if we aren't searching.
1003 (Add_symbols::run): Don't check for compatible target.
1004 * fileread.cc (Input_file::open_binary): Call
1005 parameters_force_valid_target.
1006 * gold.cc (queue_middle_tasks): Likewise.
1007 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
1008 set_target on object.
1009 * dynobj.h (class Sized_dynobj): Update declarations.
1010 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1011 make_elf_object returns NULL.
1012 (Archive::include_member): Don't check whether object target is
1014 * output.cc (Output_section::add_input_section): Get target from
1016 (Output_section::relax_input_section): Likewise.
1017 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1019 (Sized_relobj::do_scan_relocs): Likewise.
1020 (Sized_relobj::relocate_sections): Likewise.
1021 * resolve.cc (Symbol_table::resolve): Likewise.
1022 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
1023 parameter. Change all callers.
1024 (Symbol_table::add_from_object): Get target from parameters.
1025 (Symbol_table::add_from_relobj): Don't check object target.
1026 (Symbol_table::add_from_dynobj): Likewise.
1027 (Symbol_table::define_special_symbol): Get target from
1029 * symtab.h (class Symbol_table): Update declaration.
1030 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1031 parameter. Change all callers. Clear parameter target.
1032 (Binary_test): Test target here.
1033 * testsuite/object_unittest.cc (gold_testsuite): Remove
1034 target_test_pointer parameter. Change all callers.
1035 (Object_test): Test target here.
1037 2009-09-26 Ian Lance Taylor <iant@google.com>
1039 * testsuite/initpri1.c: Don't try to use constructor priorities if
1040 compiling with gcc before 4.3.
1042 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
1044 * testsuite/retain_symbols_file_test.sh (check_present): Change
1045 output file name to retain_symbols_file_test.stdout.
1046 (check_absent): Likewise.
1048 2009-09-18 Craig Silverstein <csilvers@google.com>
1050 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1051 * options.cc: Include <cerrno> and <fstream>.
1052 (General_options::finalize): Parse -retain-symbols-file tag.
1053 * options.h: New flag.
1054 (General_options): New method should_retain_symbol, new
1055 variable symbols_to_retain.
1056 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1057 should_retain_symbol map.
1058 * testsuite/Makefile.am (retain_symbols_file_test): New test.
1059 * testsuite/Makefile.in: Regenerate.
1060 * testsuite/retain_symbols_file_test.sh: New file.
1062 2009-09-18 Nick Clifton <nickc@redhat.com>
1064 * po/es.po: Updated Spanish translation.
1066 2009-09-17 Doug Kwan <dougkwan@google.com>
1068 * debug.h (DEBUG_RELAXATION): New constant.
1069 (DEBUG_ALL): Add DEBUG_RELAXATION.
1070 (debug_string_to_enum): Add relaxation debug option.
1072 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1073 Layout::Relaxation_debug_check::read_sections,
1074 Layout::Relaxation_debug_check::read_sections): New method definitions.
1075 (Layout::Layout): Initialize data members
1076 record_output_section_data_from_scrips_,
1077 script_output_section_data_list_ and relaxation_debug_check_.
1078 (Layout::save_segments, Layout::restore_segments,
1079 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1080 Layout::relaxation_loop_body): New method definitions.
1081 (Layout::finalize): Support relaxation. Move section layout code to
1082 Layout::relaxation_loop_body.
1083 (Layout::set_asection_address_from_script): Move code for orphan
1084 section placement out.
1085 (Layout::place_orphan_sections_in_script): New method definition.
1086 * layout.h (Output_segment_headers, Output_file_header):
1087 New forward class declarations.
1088 (Layout::~Layout): Define.
1089 (Layout::new_output_section_data_from_script): New method definition.
1090 (Layout::place_orphan_sections_in_script): New method declaration.
1091 (Layout::Segment_states): New type declaration.
1092 (Layout::save_segments, Layout::restore_segments,
1093 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1094 Layout::relaxation_loop_body): New method declarations.
1095 (Layout::Output_section_data_list): New type declaration.
1096 (Layout::Relaxation_debug_check): New class definition.
1097 (Layout::record_output_section_data_from_script_,
1098 Layout::script_output_section_data_list_, Layout::segment_states_,
1099 Layout::relaxation_debug_check_): New data members.
1100 * output.cc: (Output_section_headers::do_size): New method definition.
1101 (Output_section_headers::Output_section_headers): Move size
1102 computation to Output_section_headers::do_size.
1103 (Output_segment_headers::do_size): New method definition.
1104 (Output_file_header::Output_file_header): Move size computation to
1105 Output_file_header::do_size and call it.
1106 (Output_file_header::do_size): New method definition.
1107 (Output_data_group::Output_data_group): Adjust call to
1108 Output_section_data.
1109 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1110 (Output_symtab_xindex::do_write): Add array bound check.
1111 (Output_section::Input_section::print_to_mapfile): Handle
1112 RELAXED_INPUT_SECTION_CODE.
1113 (Output_section::Output_section): Initialize data member checkpoint_.
1114 (Output_section::~Output_section): Delete checkpoint object pointed
1116 (Output_section::add_input_section): Always add an Input_section if
1118 (Output_section::add_merge_input_section): Add assert.
1119 (Output_section::relax_input_section): New method definition.
1120 (Output_section::set_final_data_size): Set load address to zero for
1121 an unallocated section.
1122 (Output_section::do_address_and_file_offset_have_reset_values):
1123 New method definition.
1124 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1125 Handle relaxed input section.
1126 (Output_section::sort_attached_input_sections): Checkpoint input
1127 section list lazily.
1128 (Output_section::get_input_sections): Change type of input_sections to
1129 list of Simple_input_section pointers. Checkpoint input section list
1130 lazily. Also handle relaxed input sections.
1131 (Output_section::add_input_section_for_script): Take a reference to
1132 a Simple_input_section object instead of Relobj pointer and section
1133 index as parameter. Handle relaxed input sections.
1134 (Output_section::save_states, Output_section::restore_states): New
1136 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1137 (Output_data::is_data_size_fixed): New method definition.
1138 (Output_data::reset_addresss_and_file_offset): Do not reset data size
1140 (Output_data::address_and_file_offset_have_reset_values): New method
1142 (Output_data::do_address_and_file_offset_have_reset_values): New method
1144 (Output_data::set_data_size): Check that data size is not fixed.
1145 (Output_data::fix_data_size): New method definition.
1146 (Output_data::is_data_size_fixed_): New data member.
1147 (Output_section_headers::set_final_data_size): New method definition.
1148 (Output_section_headers::do_size): New method declaration.
1149 (Output_segment_headers::set_final_data_size): New method definition.
1150 (Output_segment_headers::do_size): New method declaration.
1151 (Output_file_header::set_final_data_size)::New method definition.
1152 (Output_file_header::do_size)::New method declaration.
1153 (Output_section_data::Output_section_data): Add new parameter
1154 is_data_size_fixed and use it to fix data size.
1155 (Output_data_const::Output_data_const): Adjust call to base class
1156 constructor and fix data size.
1157 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1158 base class constructor and fix data size.
1159 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1160 base class constructor and fix data size.
1161 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1162 class constructor and fix data size.
1163 (Output_data_group::set_final_data_size): New method definition.
1164 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1165 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1166 class constructor and fix data size.
1167 (Output_relaxed_input_section): New class definition.
1168 (Output_section::Simple_input_section): New class definition.
1169 (Output_section::get_input_sections): Adjust parameter list.
1170 (Output_section::add_input_section_for_script): Same.
1171 (Output_section::save_states, Output_section::restore_states,
1172 Output_section::do_address_and_file_offset_have_reset_values,
1173 (Output_section::Input_section::Input_section): Handle
1174 RELAXED_INPUT_SECTION_CODE. Add new overload for
1175 Output_relaxed_input_section.
1176 (Output_section::Input_section::is_input_section,
1177 Output_section::Input_section::set_output_section): Handle relaxed
1179 (Output_section::Input_section::is_relaxed_input_section,
1180 Output_section::Input_section::output_section_data,
1181 Output_section::Input_section::relaxed_input_section): New method
1183 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1185 (Output_section::Input_section::u1_): Update comments.
1186 (Output_section::Input_section::u2_): Add new union member poris.
1187 (Output_section::Checkpoint_output_section): New classs definition.
1188 (Output_section::relax_input_section): New method declaration.
1189 (Output_section::checkpoint_): New data member.
1190 (Output_segment): Update comments.
1191 (Output_segment::Output_segment): Un-privatize copy constructor.
1192 (Output_segment::operator=): Un-privatize.
1193 * script-sections.cc (Output_section_element::Input_section_list):
1194 Change element type to Output_section::Simple_input_section.
1195 (Output_section_element_dot_assignment::set_section_addresses):
1196 Register output section data for relaxation clean up.
1197 (Output_data_exression::Output_data_expression): Adjust call to base
1198 constructor to fix data size.
1199 (Output_section_element_data::set_section_addresses): Register
1200 Output_data_expression object for relaxation clean up.
1201 (struct Input_section_info): Replace Relobj pointer and section index
1202 pair with Output_section::Simple_input_section and Convert struct to a
1204 (Input_section_sorter::operator()): Adjust access to
1205 Input_section_info data member to use accessors.
1206 (Output_section_element_input::set_section_addresses): Use layout
1207 parameter. Adjust code to use Output_section::Simple_input_section
1208 and Input_secction_info classes. Register filler for relaxation
1210 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1211 and section index pair with Output_section::Simple_input_section
1212 class. Adjust code accordingly.
1213 (Phdrs_element::release_segment): New method definition.
1214 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1216 (Script_sections::release_segments): New method definition.
1217 * gold/script-sections.h (Script_sections::release_segments): New
1219 * gold/target.h (Target::may_relax, Target::relax,
1220 Target::do_may_relax, Target::do_relax): New method definitions.
1222 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1224 * arm.cc (has_signed_unsigned_overflow): New function.
1225 (Arm_relocate_functions::abs8): New function.
1226 (Target_arm::Scan::local): Handle R_ARM_ABS8.
1227 (Target_arm::Scan::global): Likewise.
1228 (Target_arm::relocate::relocate): Likewise.
1229 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1232 2009-09-16 Cary Coutant <ccoutant@google.com>
1234 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1235 * testsuite/Makefile.in: Regenerate.
1237 2009-09-11 Nick Clifton <nickc@redhat.com>
1239 * po/gold.pot: Updated by the Translation project.
1241 2009-09-08 Cary Coutant <ccoutant@google.com>
1243 * output.cc (Output_file::open): Add execute permission to empty file.
1244 * testsuite/Makefile.am (permission_test): New test.
1245 * testsuite/Makefile.in: Regenerate.
1247 2009-09-02 Ian Lance Taylor <iant@google.com>
1249 * output.cc (Output_file::resize): Call map_no_anonymous rather
1252 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
1254 * gold.cc: Include "incremental.h".
1255 (queue_initial_tasks): Call Incremental_checker methods.
1256 * incremental.cc: Include "output.h".
1257 (Incremental_checker::can_incrementally_link_output_file): New
1259 * incremental.h (Incremental_checker): New class.
1261 * output.cc (Output_file::open_for_modification): New method.
1262 (Output_file::map_anonymous): Changed return type to bool. Record
1264 (Output_file::map_no_anonymous): New method, broken out of map.
1265 (Output_file::map): Use map_no_anonymous and map_anonymous.
1266 * output.h (class Output_file): Update declarations.
1268 2009-08-24 Cary Coutant <ccoutant@google.com>
1270 * options.h (Command_line::Pre_options): New class.
1271 (Command_line::pre_options): New member.
1272 * options.cc (gold::options::ready_to_register): New variable.
1273 (One_option::register_option): Do nothing if not registering options.
1274 Assert if same short option registered twice.
1275 (General_options::General_options): Turn off option registration when
1277 (Command_line::Pre_options::Pre_options): New constructor.
1279 2009-08-24 Cary Coutant <ccoutant@google.com>
1281 * options.h (General_options::no_keep_memory): Remove incorrect
1284 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1286 * Makefile.am (am__skiplex, am__skipyacc): New.
1287 * Makefile.in: Regenerate.
1289 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1291 * Makefile.am (AM_CPPFLAGS): Renamed from ...
1292 (INCLUDES): ... this.
1293 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1294 (AM_CPPFLAGS): Renamed from ...
1295 (INCLUDE): ... this.
1296 * Makefile.in, testsuite/Makefile.in: Regenerate.
1298 * Makefile.in: Regenerate.
1299 * aclocal.m4: Likewise.
1300 * config.in: Likewise.
1301 * configure: Likewise.
1302 * testsuite/Makefile.in: Likewise.
1304 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1305 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1306 * Makefile.in: Regenerate.
1307 * testsuite/Makefile.in: Regenerate.
1309 2009-08-19 Cary Coutant <ccoutant@google.com>
1311 * resolve.cc (Symbol_table::resolve): Don't complain about defined
1312 symbols in shared libraries overridden by hidden or internal symbols
1313 in the main program.
1315 2009-08-19 Chris Demetriou <cgd@google.com>
1317 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1318 checking source file names in error messages.
1320 2009-08-18 Doug Kwan <dougkwan@google.com>
1322 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1323 an elcpp::Ehdr as parameter. Adjust call to set_target.
1324 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1325 an elfcpp::Ehdr as parameter.
1326 * object.cc (Object::set_target): Remove the version that looks up
1327 a target and sets it.
1328 (Sized_relobj::setup): Take a Target object instead of
1329 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1330 (make_elf_sized_object): Find target and ask target to
1332 * object.h: (Object::set_target): Remove the version that looks up
1333 a target and sets it.
1334 (Sized_relobj::setup): Take a Target object instead of
1335 an elfcpp:Ehdr as parameter.
1336 * target.cc: Include dynobj.h.
1337 (Target::do_make_elf_object_implementation): New.
1338 (Target::do_make_elf_object): New.
1339 * target.h (Target::make_elf_object): New template declaration.
1340 (Target::do_make_elf_object): New method declarations.
1341 (Target::do_make_elf_object_implementation): New template declaration.
1343 2009-08-14 Ian Lance Taylor <iant@google.com>
1345 * gold.h (FUNCTION_NAME): Define.
1346 (gold_unreachable): Use FUNCTION_NAME.
1348 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1350 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1351 symbol in the --keep-unique list is not found.
1353 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1355 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1356 been maked as --keep-unique.
1357 (Icf::unfold_section): New function.
1358 * icf.h (Icf::unfold_section): New function.
1359 * options.h (General_options::keep_unique): New option.
1360 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1361 * testsuite/Makefile.in: Regenerate.
1362 * testsuite/icf_keep_unique_test.sh: New file.
1363 * testsuite/icf_keep_unique_test.cc: New file.
1365 2009-08-12 Cary Coutant <ccoutant@google.com>
1368 * resolve.cc (Symbol_table::resolve): Check for references from
1369 dynamic objects to hidden and internal symbols.
1370 * testsuite/Makefile.am (hidden_test.sh): New test.
1371 * testsuite/Makefile.in: Regenerate.
1372 * testsuite/hidden_test.sh: New script.
1373 * testsuite/hidden_test_1.c: New test source.
1374 * testsuite/hidden_test_main.c: New test source.
1376 2009-08-11 Doug Kwan <dougkwan@google.com>
1378 * arm.cc: Update comments.
1379 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1380 segment to locate the .ARM.exidx section if present.
1382 2009-08-09 Doug Kwan <dougkwan@google.com>
1384 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1387 2009-08-07 Sriraman Tallam <tmsriram@google.com>
1388 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1391 2009-08-06 Sriraman Tallam <tmsriram@google.com>
1393 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1394 valid tls_segment only for non-debug-section relocations.
1395 * testsuite/Makefile.am: Add gc_tls_test.
1396 * testsuite/Makefile.in: Regenerate.
1397 * testsuite/gc_tls_test.cc: New file.
1398 * testsuite/gc_tls_test.sh: New file.
1400 2009-08-05 Sriraman Tallam <tmsriram@google.com>
1404 * Makefile.am (CCFILES): Add icf.cc.
1406 * Makefile.in: Regenerate.
1407 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1408 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1409 section, symbol and addend information for the relocs.
1410 * gold.cc (queue_middle_tasks): Call identical code folding.
1411 * gold.h: Add defines for multimap.
1412 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1413 to the call of finalize_local_symbols.
1414 * main.cc (main): Create object of class Icf.
1415 * object.cc (Sized_relobj::do_layout): Allow this function to be
1416 called twice during icf.
1417 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1418 to sections marked as identical by icf.
1419 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1421 (Sized_relobj::do_section_entsize): New function.
1422 * object.h (Object::section_entsize): New function.
1423 (Object::do_section_entsize): New pure virtual function.
1424 (Relobj::finalize_local_symbols): Add new parameter.
1425 (Relobj::do_section_entsize): New function.
1426 * options.h (General_options::icf): New option.
1427 (General_options::icf_iterations): New option.
1428 (General_options::print_icf_sections): New option.
1429 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1430 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1431 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1433 * symtab.cc (Symbol_table::is_section_folded): New function.
1434 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1435 to sections marked as identical by icf.
1436 * symtab.h (Symbol_table::set_icf): New function.
1437 (Symbol_table::icf): New function.
1438 (Symbol_table::is_section_folded): New function.
1439 (Symbol_table::icf_): New data member.
1440 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1441 * testsuite/Makefile.am: Add commands to build icf_test.
1442 * testsuite/Makefile.in: Regenerate.
1443 * testsuite/icf_test.sh: New file.
1444 * testsuite/icf_test.cc: New file.
1446 2009-07-24 Chris Demetriou <cgd@google.com>
1448 * layout.cc (is_compressible_debug_section): Fix incorrect
1449 comment about compressed section names.
1451 2009-07-20 Ian Lance Taylor <ian@airs.com>
1454 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1456 2009-07-16 Ian Lance Taylor <iant@google.com>
1459 * layout.h: #include <map>.
1460 (class Kept_section): Change from struct to class. Add accessors
1461 and setters. Add section size to Comdat_group mapping. Change
1462 Comdat_group to std::map. Add is_comdat_ field. Add
1463 linkonce_size field in union.
1464 (class Layout): Update declaration of find_or_add_kept_section.
1465 Don't declare find_kept_object.
1466 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1467 parameter. Add object, shndx, is_comdat, and is_group_name
1468 parameters. Change all callers. Adjust for new Kept_section.
1469 (Layout::find_kept_object): Remove.
1470 * object.cc (Sized_relobj::include_section_group): Update use of
1471 Kept_section. Rename secnum to shndx. Only record
1472 Kept_comdat_section if sections are the same size.
1473 (Sized_relobj::include_linkonce_section): Update use of
1474 Kept_section. Only record Kept_comdat_section if sections are the
1475 same size. Set size of linkonce section.
1476 (Sized_relobj::map_to_kept_section): Update call to
1477 get_kept_comdat_section.
1478 * object.h (class Sized_relobj): Rename fields in
1479 Kept_comdat_section to drop trailing underscores; change object
1480 field to Relobj*. Change Kept_comdat_section_table to store
1481 struct rather than pointer.
1482 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1483 Add kept_object and kept_shndx parameters. Change all callers.
1484 (Sized_relobj::get_kept_comdat_section): Change return type to
1485 bool. Add kept_object and kept_shndx parameters. Change all
1487 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1488 Layout::find_or_add_kept_section.
1490 2009-07-09 Ian Lance Taylor <iant@google.com>
1492 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1493 Reserve space in the hash table.
1495 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1497 * fileread.cc (File_read::get_mtime): New method.
1498 * fileread.h (Timespec): New structure.
1499 (File_read::get_mtime): New method.
1500 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1501 Renamed from timestamp_nsec.
1502 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1504 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1506 (Incremental_inputs::report_archive): Save mtime; style fix.
1507 (Incremental_inputs::report_obejct): Save mtime; style fix.
1508 (Incremental_inputs::report_script): Save mtime; style fix.
1509 (Incremental_inputs::finalize_inputs): Style fix.
1510 (Incremental_inputs::finalize): Style fix.
1511 (Incremental_inputs::create_input_section_data): Store inputs
1513 * incremental.h (Incremental_inputs::report_script): Add mtime
1515 (Incremental_inputs::Input_info::Input_info): Intialize only one
1517 (Incremental_inputs::Input_info::archive): Move to nameless
1519 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1520 (Incremental_inputs::Input_info::script): Move to nameless union.
1521 (Incremental_inputs::mtime): New field.
1522 * script.cc (read_input_script): Pass file mtime to
1524 * script.h (Script_info::inputs): Style fix.
1526 2009-07-01 Ian Lance Taylor <ian@airs.com>
1528 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1531 2009-06-24 Ian Lance Taylor <iant@google.com>
1534 * layout.cc (Layout::choose_output_section): If we find an
1535 existing section, update the flags.
1536 (Layout::create_notes): New function, broken out of
1538 (Layout::finalize): Don't create note sections.
1539 (Layout::create_note): Don't crash if linker script discards
1541 (Layout::create_gold_note): Likewise.
1542 (Layout::create_build_id): Likewise. Don't set
1543 after_input_sections on the section.
1544 (Layout::create_executable_stack_info): Remove target parameter.
1546 * layout.h (class Layout): Declare create_notes. Update
1547 declaration of create_executable_stack_info.
1548 * gold.cc (queue_middle_tasks): Call create_notes.
1549 * output.cc (Output_section::update_flags_for_input_section): Move
1550 here from output.h. If SHF_ALLOC flag is newly set, mark address
1552 * output.h (Output_data::mark_address_invalid): New function.
1553 (class Output_section): Only declare, not define,
1554 update_flags_for_input_section. Remove set_flags.
1556 2009-06-24 Ian Lance Taylor <iant@google.com>
1558 * script-sections.cc (Output_section_definition::
1559 set_section_addresses): Rename shadowing local load_address to
1562 2009-06-24 Ian Lance Taylor <iant@google.com>
1565 * reloc.cc (relocate_sections): Skip empty relocation sections.
1567 2009-06-23 Ian Lance Taylor <iant@google.com>
1570 * layout.cc (Layout::create_note): Use choose_output_section
1571 rather than make_output_section.
1573 2009-06-23 Ian Lance Taylor <iant@google.com>
1576 * options.cc (General_options::parse_V): Set printed_version_.
1577 (General_options::General_options): Initialize printed_version_.
1578 * options.h (class General_options): Add printed_version_ field.
1579 * gold.cc (queue_initial_tasks): If there are no input files,
1580 don't give a fatal error if we printed the version information.
1581 (queue_middle_tasks): If using -r with a shared object, give a
1582 fatal error rather than an ordinary error.
1584 2009-06-23 Ian Lance Taylor <iant@google.com>
1587 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1588 (Layout::make_output_section): Set have_stabstr_section_ if we see
1589 a .stab*str section.
1590 (Layout::finalize): Call link_stabs_sections.
1591 (Layout::link_stabs_sections): New file.
1592 * layout.h (class Layout): Add have_stabstr_section_ field.
1593 Declare link_stabs_sections.
1595 2009-06-23 Doug Kwan <dougkwan@google.com>
1597 * Makefile.am (libgold_a_LIBADD): New.
1598 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1599 * Makefile.in: Regenerate.
1600 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1601 * configure: Regenerate.
1602 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1603 * fileread.cc: Include sys/state.h
1604 * gold.h: Declare memmem and strndup if found missing.
1605 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1607 2009-06-23 Ian Lance Taylor <iant@google.com>
1609 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1610 * configure: Rebuild.
1612 2009-06-23 Ian Lance Taylor <iant@google.com>
1615 * object.cc (Object::section_contents): Don't try to get a view if
1616 the section has length zero.
1617 (Object::handle_gnu_warning_section): If the section is empty, use
1618 the name of the section as the warning.
1620 2009-06-23 Ian Lance Taylor <iant@google.com>
1623 * stringpool.h (class Stringpool_template): Add optimize_ field.
1624 (Stringpool_template::set_optimize): New function.
1625 * stringpool.cc (Stringpool_template::Stringpool_template):
1626 Initialize optimize_ field.
1627 (Stringpool_template::set_string_offsets): Test local optimize
1628 fild rather than parameter.
1629 * layout.cc (Layout::Layout): Call set_optimize on the section
1632 2009-06-22 Ian Lance Taylor <iant@google.com>
1635 * yyscript.y: Parse TARGET.
1636 * script.cc (script_set_target): New function.
1637 * script-c.h (script_set_target): Declare.
1638 * options.cc (General_options::string_to_object_format): Rename
1639 from string_to_object_format in anonymous namespace. Change
1641 * options.h (class General_options): Declare
1642 string_to_object_format.
1644 2009-06-22 Ian Lance Taylor <iant@google.com>
1646 * script-sections.cc (Script_sections::create_segments): Don't put
1647 program headers in a PT_LOAD segment if -n or -N.
1649 2009-06-22 Ian Lance Taylor <iant@google.com>
1652 * options.h (class General_options): Add -z lazy and -z now. Sort
1653 -z options into alphabetical order.
1654 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1656 2009-06-21 Ian Lance Taylor <iant@google.com>
1658 * layout.cc (Layout::make_output_section): Call
1659 Target::new_output_section.
1660 (Layout::attach_allocated_section_to_segment): Put large section
1661 sections in a separate load segment with the large segment flag
1663 (Layout::segment_precedes): Sort large data segments after other
1665 (align_file_offset): New static function.
1666 (Layout::set_segment_offsets): Use align_file_offset.
1667 * output.h (class Output_section): Add is_small_section_ and
1668 is_large_section_ fields.
1669 (Output_section::is_small_section): New function.
1670 (Output_section::set_is_small_section): New function.
1671 (Output_section::is_large_section): New function.
1672 (Output_section::set_is_large_section): New function.
1673 (Output_section::is_large_data_section): New function.
1674 (class Output_segment): Add is_large_data_segment_ field.
1675 (Output_segment::is_large_data_segment): New function.
1676 (Output_segment::set_is_large_data_segment): New function.
1677 * output.cc (Output_section::Output_section): Initialize new
1679 (Output_segment::Output_segment): Likewise.
1680 (Output_segment::add_output_section): Add assertion that large
1681 data sections always go in large data segments. Force small data
1682 sections to the end of the list of data sections. Force small BSS
1683 sections to the start of the list of BSS sections. For large BSS
1684 sections to the end of the list of BSS sections.
1685 * symtab.h (class Symbol): Declare is_common_shndx.
1686 (Symbol::is_defined): Check Symbol::is_common_shndx.
1687 (Symbol::is_common): Likewise.
1688 (class Symbol_table): Define enum Commons_section_type. Update
1689 declarations. Add small_commons_ and large_commons_ fields.
1690 * symtab.cc (Symbol::is_common_shndx): New function.
1691 (Symbol_table::Symbol_table): Initialize new fields.
1692 (Symbol_table::add_from_object): Put small and large common
1693 symbols in the right list.
1694 (Symbol_table::sized_finalized_symbol): Check
1695 Symbol::is_common_shndx.
1696 (Symbol_table::sized_write_globals): Likewise.
1697 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1698 common symbol lists. Don't call do_allocate_commons_list if the
1700 (Symbol_table::do_allocate_commons_list): Remove is_tls
1701 parameter. Add comons_section_type parameter. Change all
1702 callers. Handle small and large common symbols.
1703 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1704 Symbol::is_common_shndx.
1705 * resolve.cc (symbol_to_bits): Likewise.
1706 * target.h (Target::small_common_shndx): New function.
1707 (Target::small_common_section_flags): New function.
1708 (Target::large_common_shndx): New function.
1709 (Target::large_common_section_flags): New function.
1710 (Target::new_output_section): New function.
1711 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1712 small_common_section_flags, and large_common_section_flags
1714 (Target::do_new_output_section): New virtual function.
1715 * arm.cc (Target_arm::arm_info): Initialize new fields.
1716 * i386.cc (Target_i386::i386_info): Likewise.
1717 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1719 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1720 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1721 (Target_x86_64::do_new_output_section): New function.
1722 * configure.ac: Define conditional MCMODEL_MEDIUM.
1723 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1724 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1725 (large_LDFLAGS): Define.
1726 * testsuite/large.c: New file.
1727 * testsuite/testfile.cc (Target_test::test_target_info):
1728 Initialize new fields.
1729 * configure, testsuite/Makefile.in: Rebuild.
1731 2009-06-05 Doug Kwan <dougkwan@google.com>
1733 * Makefile.am (CCFILES): Add target.cc.
1734 * Makefile.in: Regenerate.
1735 * i386.cc (class Target_i386): Define new virtual method to
1736 override do_is_local_label_name in parent.
1737 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1738 local symbols if --discard-locals or -X is given.
1739 * options.h (class General_options): Declare new options
1740 '--discard-locals' and '-X' for discarding locals.
1741 * target.h (class Target): Define new methods is_local_label_name.
1742 Declare new virtual method do_is_local_label_name.
1743 * target.cc: New file.
1744 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1745 (check_SCRIPTS): Add discard_locals_test.sh.
1746 (check_DATA): Add discard_local_tests.syms.
1747 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1748 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1749 * testsuite/Makefile.in: Regenerate.
1750 * testsuite/discard_locals_test.c: New file.
1751 * testsuite/discard_locals_test.sh: Same.
1753 2009-06-05 Doug Kwan <dougkwan@google.com>
1755 * object.cc (Sized_relobj::Sized_relobj): Initialize
1756 discarded_eh_frame_shndx_ to -1U.
1757 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1759 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1760 a discarded .eh_frame section.
1761 (Sized_relobj::do_finalize_local_symbols): Ditto.
1762 * object.h (class Sized_relobj): Declare new member
1763 discarded_eh_frame_shndx_.
1764 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1765 (local_labels_test.o, local_labels_test): New rules.
1766 * testsuite/Makefile.in: Regenerate.
1768 2009-06-04 Doug Kwan <dougkwan@google.com>
1770 * layout.cc (Layout::section_name_mapping): Add mapping for
1771 special ARM sections.
1773 2009-06-03 Doug Kwan <dougkwan@google.com>
1775 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1776 (utils::has_overflow): Same.
1778 2009-06-03 Ian Lance Taylor <iant@google.com>
1780 * layout.cc (Layout::section_name_mapping): New array, replacing
1781 Layout::linkonce_mapping.
1782 (Layout::section_name_mapping_count): New variable, replacing
1783 Layout::linkonce_mapping_count.
1784 (Layout::linkonce_output_name): Remove.
1785 (Layout::output_section_name): Rewrite.
1786 * layout.h (class Layout): Rename Linkonce_mapping to
1787 Section_name_mapping, linkonce_mapping to section_name_mapping,
1788 linkonce_mapping_count to section_name_mapping_count. Don't
1789 declare linkonce_output_name.
1791 2009-06-03 Doug Kwan <dougkwan@google.com>
1793 * gold/arm.cc (namespace utils): New.
1794 (Target_arm::reloc_is_non_pic): Define new method.
1795 (class Arm_relocate_functions): New.
1796 (Target_arm::Relocate::relocate): Handle relocation types used by
1799 2009-06-03 Ian Lance Taylor <iant@google.com>
1801 * arm.cc (Target_arm::scan::global): Use || instead of |.
1803 2009-06-02 Doug Kwan <dougkwan@google.com>
1805 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1806 issued_non_pic_error_.
1807 (class Target_arm::Scan): Declare new method check_non_pic.
1808 Define new method symbol_needs_plt_entry.
1809 Declare new data member issued_non_pic_error_.
1810 (class Target_arm::Relocate): Declare new method
1811 should_apply_static_reloc.
1812 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1813 (Target_arm::Scan::check_non_pic): Define new method.
1814 (Target_arm::Scan::local): Handle a small subset of reloc types used
1816 (Target_arm::Scan::local): Same.
1817 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1819 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1821 * incremental.cc (Incremental_inputs::report_command_line): Filter
1822 out --incremental-* options.
1824 2009-05-29 Doug Kwan <dougkwan@google.com>
1826 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1828 (class Target_arm): Update comment.
1829 (Target_arm::Target_arm): Initialize new data members GOT_,
1830 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1831 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1832 and Target_arm::rel_dyn_section.
1833 Declare new_enum Target_arm::Got_type.
1834 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1836 Update commments for member do_dynsym_value.
1837 (Target_arm::got_size, Target_arm::plt_section,
1838 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1839 new methods inside class defintion.
1840 (Target_arm::got_section): Define new method.
1841 (Target_arm::rel_dyn_section): Same.
1842 (Output_data_plt_arm): New template class.
1843 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1844 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1845 (Output_data_plt_arm::add_entry): Same.
1846 (Output_data_plt_arm::first_plt_entry): Define new
1847 static data member for PLT instruction template.
1848 (Output_data_plt_arm::plt_entry): Same.
1849 (Output_data_plt_arm::do_write): Define new method.
1850 (Target_arm::make_plt_entry): Same.
1851 (Target_arm::do_finalize_sections): Same.
1852 (Target_arm::do_dynsym_value): Same.
1854 2009-05-28 Doug Kwan <dougkwan@google.com>
1856 * Makefile.am (TARGETSOURCES): Add arm.cc.
1857 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1858 * Makefile.in: Regenerate.
1860 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1862 2009-05-26 Doug Kwan <dougkwan@google.com>
1864 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1865 (General_options::check_excluded_libs): Strip off directories in
1866 archive name before matching like GNU ld does.
1867 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1868 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1869 (exclude_libs_test_LDFLAGS): Add linker option
1870 -Wl,--exclude-libs,libexclude_libs_test_3
1871 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1872 an explicit archive without using -l.
1873 (alt/libexclude_libs_test_3.a): New make rule.
1874 * testsuite/Makefile.in: Regenerate.
1875 * testsuite/exclude_libs_test.c : Declare lib3_default().
1877 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1878 * exclude_libs_test_3.c: New file.
1880 2009-05-26 Nick Clifton <nickc@redhat.com>
1882 * po/id.po: New Indonesian translation.
1883 * po/gold.pot: Updated template file.
1885 2009-05-22 Sriraman Tallam <tmsriram@google.com>
1887 * testsuite/Makefile.am: Add -ffunction-sections to compile
1888 gc_comdat_test files. Add -Wl,--gc-sections to build
1890 * testsuite/Makefile.in: Regenerate.
1891 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1893 2009-05-21 Sriraman Tallam <tmsriram@google.com>
1895 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1896 kept comdat section was garbage collected.
1897 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1898 * testsuite/Makefile.in: Regenerate.
1899 * testsuite/gc_comdat_test.sh: New file.
1900 * testsuite/gc_comdat_test_1.cc: New file.
1901 * testsuite/gc_comdat_test_2.cc: New file.
1903 2009-05-19 Doug Kwan <dougkwan@google.com>
1905 * archive.cc (Archive::Archive): Move constructor from archive.h
1906 to here. Initialize no_export_.
1907 (Archive::get_elf_object_for_member): Set no_export flag of object.
1908 * archive.h (Archive::Archive): Move constructor body to
1910 (Archive::no_export): New method.
1911 (Archive::no_export_): New field.
1912 * object.h (Object::Object): Initialize no_export_ to false.
1913 (Object::no_export, Object::set_no_export): New methods.
1914 (Object::no_export_): New field.
1915 * options.cc (General_options::parse_exclude_libs): New method.
1916 (General_options::check_excluded_libs) Same.
1917 * options.h (exclude_libs): New option.
1918 (General_options::check_excluded_libs): New method declaration.
1919 (General_options::excluded_libs_): New field.
1920 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1921 default or protected visibility if an object has no-export flag set.
1922 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1923 (check_SCRIPTS): Add exclude_libs_test.sh.
1924 (check_DATA): Add exclude_libs_test.syms.
1925 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1926 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1927 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1928 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1929 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1930 libexclude_libs_test_2.a): New rules.
1931 * testsuite/Makefile.in: Regenerate.
1932 * testsuite/exclude_libs_test.c: New file.
1933 * testsuite/exclude_libs_test.sh: Ditto.
1934 * testsuite/exclude_libs_test_1.c: Ditto.
1935 * testsuite/exclude_libs_test_2.c: Ditto.
1937 2009-05-15 Ian Lance Taylor <iant@google.com>
1939 * configure.ac: Check for declarations for cases where libiberty.h
1940 checks HAVE_DECL_xxx.
1941 * configure, config.in: Rebuild.
1943 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1945 * gold.h (Incremental_argument_list): Remove (invalid) forward
1947 * incremental.cc (Incremental_inputs::report_achive): New method.
1948 (Incremental_inputs::report_object): New method.
1949 (Incremental_inputs::report_script): New method.
1950 (Incremental_inputs::finalize_inputs): New method.
1951 (Incremental_inputs::finalize): Call finalize_inputs().
1952 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1953 Create inputs entries.
1954 * incremental.h (Incremental_input_type): New enum.
1955 (Incremental_inputs::Incremental_input): Initialize new fields.
1956 (Incremental_inputs::report_inputs): New method.
1957 (Incremental_inputs::report_achive): New method.
1958 (Incremental_inputs::report_object): New method.
1959 (Incremental_inputs::report_script): New method.
1960 (Incremental_inputs::finalize_inputs): New method.
1961 (Incremental_inputs::Input_info): New struct.
1962 (Incremental_inputs::Input_info_map): New typedef.
1963 (Incremental_inputs::lock_): New field.
1964 (Incremental_inputs::Inputs_): New field.
1965 (Incremental_inputs::Inputs_map): New field.
1966 * main.cc (main): Call Incremental_input::report_inputs.
1967 * options.h (Input_argument_list): Typedef moved from
1969 (Input_file_group::Files): Remove, use ::Input_argument_list.
1970 (Input_file_group::Input_argument_list): Remove, use
1971 ::Input_argument_list.
1972 * plugin.cc (Plugin_manager::add_input_file): Add error in
1974 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1976 * script.cc (read_input_script): Call
1977 Incremental_input::report_script.
1978 * script.h (Script_info): New class.
1980 2009-04-27 Ian Lance Taylor <iant@google.com>
1982 * x86_64.cc (do_adjust_output_section): Set entsize to
1985 2009-04-23 Elliott Hughes <enh@google.com>
1987 * output.cc (Output_file::close): After short writes, continue
1988 writing from the correct offset in the buffer being written.
1990 2009-04-23 Chris Demetriou <cgd@google.com>
1992 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1993 * configure: Regenerate.
1994 * config.in: Regenerate.
1995 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1996 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1998 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
2000 * incremental.cc (Incremental_inputs_header_data): Renamed from
2001 Incremental_input_header_data.
2002 (Incremental_inputs_header_data::data_size): New field.
2003 (Incremental_inputs_header_data::put_input_file_count): Renamed
2004 from input_file_count.
2005 (Incremental_inputs_header_data::put_command_line_offset): Renamed
2006 from command_line_offset.
2007 (Incremental_inputs_header_data::put_reserved): Renamed from
2009 (Incremental_inputs_entry_data): Renamed from
2010 Incremental_input_entry_data.
2011 (Incremental_inputs_entry_data::data_size): New field.
2012 (Incremental_inputs::report_command_line): New method.
2013 (Incremental_inputs::finalize): New method.
2014 (Incremental_inputs::create_incremental_inputs_data): New method.
2015 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2016 * incremental.h: New file.
2017 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2018 (Layout::finalize): Create incremental inputs section in
2020 (Layout::create_incremental_info_sections): New method.
2021 * layout.h (Layout::incremental_inputs): New method.
2022 (Layout::create_incremental_info_sections): New method.
2023 (Layout::incremental_inputs_): New field.
2024 * main.cc (main): Notify Incremental_input of the command line.
2026 2009-04-01 Ian Lance Taylor <iant@google.com>
2027 Mikolaj Zalewski <mikolajz@google.com>
2029 * gold.h (reserve_unordered_map): Define, three versions, one for
2030 each version of Unordered_map.
2031 * layout.cc (Layout::Layout): Remove options parameter. Add
2032 number_of_input_files parameter. Don't initialize options_.
2033 Initialize number_of_input_files_ and resized_signatures_. Move
2034 sections_are_attached_.
2035 (Layout::layout_group): Reserve space for group_signatures_.
2036 (Layout::find_or_add_kept_section): Change name parameter to be a
2037 reference. Resize signatures_ map when it gets large enough.
2038 (Layout::layout_eh_frame): Use parameters->options() instead of
2040 (Layout::make_output_section): Likewise.
2041 (Layout::attach_allocated_section_to_segment): Likewise.
2042 (Layout::finalize, Layout::create_executable_stack): Likewise.
2043 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2044 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2045 * layout.h (class Layout): Update declarations. Remove options_
2046 field. Add number_of_input_files_ and resized_signatures_
2047 fields. Move sections_are_attached_ field.
2048 * main.cc (main): Pass number of input files to Layout
2049 constructor. Don't pass options.
2051 2009-03-30 Ian Lance Taylor <iant@google.com>
2053 * ffsll.c (ffsll): Correct implementation.
2055 2009-03-27 Ian Lance Taylor <iant@google.com>
2057 * ffsll.c: New file.
2058 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2059 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2060 * ftruncate.c (ftruncate): Declare before definition.
2061 * mremap.c (mremap): Likewise.
2062 * pread.c (pread): Likewise.
2063 * configure, Makefile.in, config.in: Rebuild.
2065 * mremap.c: New file.
2066 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2067 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2068 (mremap): Declare if HAVE_MREMAP is not defined.
2069 * configure, Makefile.in, config.in: Rebuild.
2071 2009-03-27 Cary Coutant <ccoutant@google.com>
2073 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2074 position independent.
2075 * sparc.cc (Target_sparc::check_non_pic): Likewise.
2076 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2078 2009-03-24 Cary Coutant <ccoutant@google.com>
2080 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2082 (needs_dynamic_reloc): Likewise.
2084 2009-03-24 Ian Lance Taylor <iant@google.com>
2086 * yyscript.y (file_cmd): Recognize EXTERN.
2087 (extern_name_list, extern_name_list_body): New nonterminals.
2088 * script.cc (script_add_extern): Define.
2089 * script-c.h (script_add_extern): Declare.
2091 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
2093 * object.cc (is_elf_object): Define.
2094 * object.h (is_elf_object): Declare.
2095 * archive.cc (Archive::get_elf_object_for_member): Call
2097 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2099 2009-03-24 Elliott Hughes <enh@google.com>
2101 * output.cc (Output_file::map_anonymous): Define.
2102 (Output_file::map): Use map_anonymous. If the regular mmap fails,
2103 try an anonymous one. Report the size if the mmap fails.
2104 * output.h (class Output_file): Declare map_anonymous.
2106 2009-03-24 Ian Lance Taylor <iant@google.com>
2108 * target-select.cc (instantiate_target): Don't acquire the lock if
2109 the instantiated_target_ field has already been set.
2111 2009-03-23 Ian Lance Taylor <iant@google.com>
2113 * gold-threads.h (class Initialize_lock): Define.
2114 * gold-threads.cc (class Initialize_lock_once): Define.
2115 (initialize_lock_control): New static variable.
2116 (initialize_lock_pointer): New static variable.
2117 (initialize_lock_once): New static function.
2118 (Initialize_lock::Initialize_lock): Define.
2119 (Initialize_lock::initialize): Define.
2120 * target-select.h: Include "gold-threads.h".
2121 (class Target_selector): Add lock_ and initialize_lock_ fields.
2122 Don't define instantiate_target, just declare it.
2123 * target-select.cc (Target_selector::Target_selector): Initialize
2125 (Target_selector::instantiate_target): Define.
2126 * descriptors.h: Include "gold-threads.h".
2127 (class Descriptors): Add initialize_lock_ field.
2128 * descriptors.cc (Descriptors::Descriptors): Initialize new
2130 (Descriptors::open): Use initialize_lock_ field
2131 * errors.h (class Errors): Add initialize_lock_ field.
2132 * errors.cc (Errors::Errors): Initialize new field.
2133 (Errors::initialize_lock): Use initialize_lock_ field.
2134 * powerpc.cc (class Target_selector_powerpc): Remove
2135 instantiated_target_ field. In do_recognize call
2136 instantiate_target rather than do_instantiate_target. In
2137 do_instantiate_target just allocate a new target.
2138 * sparc.cc (class Target_selector_sparc): Likewise.
2140 * freebsd.h: New file.
2141 * i386.cc: Include "freebsd.h".
2142 (Target_i386): Derive from Target_freebsd rather than
2144 (Target_selector_i386): Derive from Target_selector_freebsd rather
2145 than Target_selector.
2146 * x86_64.cc: Include "freebsd.h".
2147 (Target_x86_64): Derive from Target_freebsd rather than
2149 (Target_selector_x86_64): Derive from Target_selector_freebsd
2150 rather than Target_selector.
2151 * target.h (class Target): Add adjust_elf_header and
2152 do_adjust_elf_header.
2153 * output.cc (Output_file_header:: do_sized_write): Call target
2154 adjust_elf_header routine.
2155 * configure.tgt: Set targ_osabi.
2156 * configure.ac: Define GOLD_DEFAULT_OSABI.
2157 * parameters.cc (Parameters::default_target): Pass
2158 GOLD_DEFAULT_OSABI to select_target.
2159 * target-select.h (class Target_selector): Make instantiate_target
2160 protected rather than private.
2161 * Makefile.am (HFILES): Add freebsd.h.
2162 * configure, Makefile.in, config.in: Rebuild.
2164 * merge.cc (do_add_input_section): Correct pend value. Change
2165 message about last entry not being null terminated from error to
2168 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
2170 * incremental.cc: New file.
2171 * Makefile.am (CCFILES): Add incremental.cc.
2172 * Makefile.in: Rebuild.
2174 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
2176 * layout.cc (Layout::output_section_name): Preserve names
2177 of '.note.' sections.
2179 2009-03-19 Ian Lance Taylor <iant@google.com>
2181 * descriptors.cc (Descriptors::open): Check that the options are
2182 valid before using them.
2184 2009-03-18 Ian Lance Taylor <iant@google.com>
2186 * script-sections.h: Include <list>.
2187 (class Script_sections): Change Sections_elements from std::vector
2188 to std::list. Typedef public Elements_iterator. Add
2189 orphan_section_placement_, data_segment_align_start_, and
2190 saw_data_segment_align_ fields. Remove data_segment_align_index_
2192 * script-sections.cc (class Orphan_section_placement): New class.
2193 (class Sections_element): Add virtual functions is_relro and
2194 orphan_section_init. Remove virtual function place_orphan_here.
2195 (class Output_section_definition): Add is_relro and
2196 orphan_section_init. Remove place_orphan_here.
2197 (class Orphan_output_section): Likewise.
2198 (Script_sections::Script_sections): Update for field changes.
2199 (Script_sections::data_segment_align): Set saw_data_segment_align_
2200 and data_segment_align_start_, not data_segment_align_index.
2201 (Script_sections::data_segment_relro_end): Check
2202 saw_data_segment_align_. Use data_segment_align_start_ rather
2203 than data_segment_align_index_.
2204 (Script_sections::place_orphan): Rewrite to use
2205 Orphan_section_placement.
2207 2009-03-17 Ian Lance Taylor <iant@google.com>
2209 * archive.cc (Archive::add_symbols): Check for a version attached
2210 to the symbol name in the archive map.
2211 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2212 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2213 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2214 (ver_test_11.a): New target.
2215 * testsuite/Makefile.in: Rebuild.
2217 * configure.ac: Check for chsize and posix_fallocate. Replace
2219 * ftruncate.c: New file, from gnulib.
2220 * output.cc (posix_fallocate): Define dummy version if not
2221 HAVE_POSIX_FALLOCATE.
2222 (Output_file::map): Call posix_fallocate rather than lseek and
2224 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2225 * configure, Makefile.in, config.in: Rebuild.
2227 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
2229 * layout.h (Layout::create_note): Add section_name parameter.
2230 * layout.cc (Layout::create_note): Likewise.
2231 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2233 2009-03-17 Ian Lance Taylor <iant@google.com>
2235 * descriptors.cc: Include "options.h".
2236 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2237 (Descriptors::open): Always use O_CLOEXEC when opening a new
2238 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
2239 then set FD_CLOEXEC.
2241 * sparc.cc (class Target_sparc): Add has_got_section.
2242 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2243 make sure we have a GOT section.
2245 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2246 (Target_sparc::Scan::local): Likewise.
2247 (Target_sparc::Scan::global): Likewise.
2248 (Target_sparc::Relocate::relocate): Likewise.
2249 (Target_sparc::Relocate::relocate_tls): Likewise.
2251 * symtab.cc (Symbol_table::define_default_version): New function,
2252 broken out of add_from_object.
2253 (Symbol_table::add_from_object): Call define_default_version.
2254 (Symbol_table::define_special_symbol): Add resolve_oldsym
2255 parameter. Change all callers. If the version for a symbol comes
2256 from a version script, resolve it with the symbol with the same
2257 name with no version. Also add the symbol without a version if
2259 (do_define_in_output_data): If resolving with oldsym, don't delete
2261 (do_define_in_output_segment): Likewise.
2262 (do_define_as_constant): Likewise.
2263 * symtab.h (class Symbol_table): Update declarations.
2265 2009-03-13 Ian Lance Taylor <iant@google.com>
2267 * readsyms.cc (Read_symbols::incompatible_warning): New function.
2268 (Read_symbols::requeue): New function.
2269 (Read_symbols::do_read_symbols): If make_elf_object fails because
2270 the target type is not configured, and the file was searched for,
2271 issue a warning and retry with the next directory.
2272 (Add_symbols::run): If the file has an incompatible format, and
2273 it was searched for, requeue the Read_symbols task. On error,
2275 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
2276 dirindex parameter to constructor. Change all callers. Declare
2277 incompatible_warning and requeue.
2278 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2279 input_argument_ and input_group_ fields. Add them to
2280 constructor. Change all callers.
2281 (class Read_script): Add dirindex_ field. Add it to constructor.
2283 * archive.cc (Archive::setup): Remove input_objects parameter.
2285 (Archive::get_file_and_offset): Likewise.
2286 (Archive::read_all_symbols): Likewise.
2287 (Archive::read_symbols): Likewise.
2288 (Archive::get_elf_object_for_member): Remove input_objects
2289 parameter. Add punconfigured parameter. Change all callers.
2290 (Archive::add_symbols): Change return type to bool. Check return
2291 value of include_member.
2292 (Archive::include_all_members): Likewise.
2293 (Archive::include_member): Change return type to bool. Return
2294 false if first included object has incompatible target. Set
2295 included_member_ field.
2296 (Add_archive_symbols::run): If add_symbols returns false, requeue
2298 * archive.h (class Archive): Add included_member_ field.
2299 Initialize it in constructor. Add input_file and searched_for
2300 methods. Update declarations.
2301 (class Add_archive_symbols): Add dirpath_, dirindex_, and
2302 input_argument_ fields. Add them to constructor. Change all
2304 * script.cc: Include "target-select.h".
2305 (class Parser_closure): Add skip_on_incompatible_target_ and
2306 found_incompatible_target_ fields. Add
2307 skip_on_incompatible_target parameter to constructor. Change all
2308 callers. Add methods skip_on_incompatible_target,
2309 clear_skip_on_incompatible_target, found_incompatible_target, and
2310 set_found_incompatible_target.
2311 (read_input_script): Add dirindex parameter. Change all callers.
2312 If parser finds an incompatible target, requeue Read_symbols
2314 (script_set_symbol): Clear skip_on_incompatible_target in
2316 (script_add_assertion, script_parse_option): Likewise.
2317 (script_start_sections, script_add_phdr): Likewise.
2318 (script_check_output_format): New function.
2319 * script.h (read_input_script): Update declaration.
2320 * script-c.h (script_check_output_format): Declare.
2321 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2322 (ignore_cmd): Remove OUTPUT_FORMAT.
2323 * fileread.cc (Input_file::Input_file): Add explicit this.
2324 (Input_file::will_search_for): New function.
2325 (Input_file::open): Add pindex parameter. Change all callers.
2326 * fileread.h (class Input_file): Add input_file_argument method.
2327 Declare will_search_for. Update declarations.
2328 * object.cc (make_elf_object): Add punconfigured parameter.
2330 * object.h (class Object): Make input_file public. Add
2331 searched_for method.
2332 (make_elf_object): Update declaration.
2333 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2335 * dirsearch.h (class Dirsearch): Update declaration.
2336 * options.h (class General_options): Add --warn-search-mismatch.
2337 * parameters.cc (Parameters::is_compatible_target): New function.
2338 * parameters.h (class Parameters): Declare is_compatible_target.
2339 * workqueue.cc (Workqueue::add_blocker): New function.
2340 * workqueue.h (class Workqueue): Declare add_blocker.
2342 * fileread.cc (Input_file::open): Remove options parameter.
2344 (Input_file::open_binary): Likewise.
2345 * script.cc (read_input_script): Likewise.
2346 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2347 options parameter from constructor. Change all callers.
2348 (class Read_script): Likewise.
2349 * fileread.h (class Input_file): Update declarations.
2350 * script.h (read_input_script): Update declaration.
2352 2009-03-10 Nick Clifton <nickc@redhat.com>
2354 * po/es.po: New Spanish translation.
2356 2009-03-06 Cary Coutant <ccoutant@google.com>
2358 * options.cc (parse_short_option): Keep dash_z from registering itself.
2360 2009-03-03 Ian Lance Taylor <iant@google.com>
2363 * target-reloc.h (relocate_section): Pass output_section to
2365 * i386.cc (Target_i386::should_apply_static_reloc): Add
2366 output_section parameter. Change all callers.
2367 (Target_i386::Relocate::relocate): Add output_section parameter.
2368 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2369 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2370 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2371 * testsuite/two_file_shared.sh: New script.
2372 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2373 (check_DATA): Add two_file_shared.dbg.
2374 (two_file_shared.dbg): New target.
2375 * testsuite/Makefile.in: Rebuild.
2377 2009-03-01 Ian Lance Taylor <iant@google.com>
2379 * configure.ac: Check for byteswap.h.
2380 * configure: Rebuild.
2381 * config.in: Rebuild.
2383 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2385 * layout.cc (Layout::find_or_add_kept_section): New function.
2386 (Layout::add_comdat): Removed.
2387 * layout.h (struct Kept_section): Move out of class Layout.
2388 Remove trailing underscores from field names. Add group_sections
2389 field. Rename group_ field to is_group. Change all uses.
2390 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2391 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2392 comdat_groups_ field.
2393 (Sized_relobj::include_section_group): Use
2394 find_or_add_kept_section and Kept_section::group_sections.
2395 (Sized_relobj::include_linkonce_section): Likewise.
2396 * object.cc (class Sized_relobj): Don't define Comdat_group or
2397 Comdat_group_table. Remove find_comdat_group and
2398 add_comdat_group. Remove comdat_groups_ field.
2399 * plugin.cc (include_comdat_group): Use
2400 Layout::find_or_add_kept_section.
2402 2009-02-28 Ian Lance Taylor <iant@google.com>
2404 * README: --gc-sections and map files are now supported. Document
2405 some build requirements.
2408 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2409 relocatable link set the value of the section symbol to zero.
2410 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2411 relocatable link don't include the section address in the local
2414 2009-02-27 Ian Lance Taylor <iant@google.com>
2417 * options.h (class Search_directory): Add is_system_directory.
2418 (class General_options): Declare is_in_system_directory.
2419 * options.cc (get_relative_sysroot): Make static.
2420 (get_default_sysroot): Make static.
2421 (General_optoins::is_in_system_directory): New function.
2422 * fileread.cc (Input_file::is_in_system_directory): New function.
2423 * fileread.h (class Input_file): Declare is_in_system_directory.
2424 * object.h (class Object): Add is_in_system_directory.
2425 (class Input_objects): Remove system_library_directory_ field.
2426 * object.cc (Input_objects::add_object): Don't set
2427 system_library_directory_.
2428 (input_objects::found_in_system_library_directory): Remove.
2429 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2430 parameter. Change all callers.
2431 (Symbol_table::sized_write_globals): Likewise.
2432 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2433 Call Object::is_in_system_directory.
2434 * symtab.h (class Symbol_table): Update declarations.
2437 * descriptors.h (Open_descriptor): Add is_on_stack field.
2438 * descriptors.cc (Descriptors::open): If the descriptor is on the
2439 top of the stack, remove it. Initialize is_on_stack field.
2440 (Descriptors::release): Only add pod to stack if it is not on the
2442 (Descriptors::close_some_descriptor): Clear stack_next and
2446 * output.cc (Output_section::find_starting_output_address): Rename
2447 from starting_output_address; add PADDR parameter; change return
2449 * output.h (class Output_section): Declare
2450 find_starting_output_address instead of starting_output_address.
2451 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2452 section symbol for which we can't find a merge section.
2455 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2456 hidden or internal, force the symbol to be local.
2457 * resolve.cc (Symbol::override_visibility): Define.
2458 (Symbol::override_base): Use override_visibility.
2459 (Symbol_table::resolve): Likewise.
2460 (Symbol::override_base_with_special): Likewise.
2461 (Symbol_table::override_with_special): If the visibility is hidden
2462 or internal, force the symbol to be local.
2463 * symtab.h (class Symbol): Add set_visibility and
2464 override_visibility.
2465 * testsuite/ver_test_1.sh: New file.
2466 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2467 (check_DATA): Add ver_test_1.syms.
2468 (ver_test_1.syms): New target.
2469 * testsuite/Makefile.in: Rebuild.
2471 2009-02-25 Cary Coutant <ccoutant@google.com>
2473 * layout.cc (Layout::choose_output_section): Don't rename sections
2474 when using a linker script that has a SECTIONS clause.
2475 * Makefile.in: Regenerate.
2477 * testsuite/Makefile.am (script_test_5.sh): New test case.
2478 * testsuite/Makefile.in: Regenerate.
2479 * testsuite/script_test_5.cc: New file.
2480 * testsuite/script_test_5.sh: New file.
2481 * testsuite/script_test_5.t: New file.
2483 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
2485 * archive.cc (Archive::include_member): Update calls to add_symbols.
2486 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2487 the Layout argument.
2488 * dynobj.h (do_add_symbols): Add the Layout argument.
2489 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2491 * object.h (Object::add_symbols): Add the Layout argument.
2492 (Object::do_add_symbols): Add the Layout argument.
2493 (Sized_relobj::do_add_symbols): Add the Layout argument.
2494 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2495 Unify the two versions.
2496 (Add_plugin_symbols): Remove.
2497 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2498 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2499 (Add_plugin_symbols): Remove.
2500 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2501 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2502 (Add_symbols::run): Make it work with Pulginobj.
2504 2009-02-06 Ian Lance Taylor <iant@google.com>
2506 * object.cc (Sized_relobj::do_layout): Make info message start
2507 with lower case letter.
2509 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2511 * binary.cc: Fix file comment.
2513 * options.h (enum Incremental_disposition): Define.
2514 (class General_options): Add new options: --incremental,
2515 --incremental_changed, --incremental_unchanged,
2516 --incremental_unknown. Add incremental_disposition_ and
2517 implicit_incremental_ fields.
2518 (General_options::incremental_disposition): New function.
2519 (class Position_dependent_options): Add incremental_disposition
2521 (Position_dependent_options::copy_from_options): Set incremental
2523 * options.cc (General_options::parse_incremental_changed): New
2525 (General_options::parse_incremental_unchanged): New function.
2526 (General_options::parse_incremental_unknown): New function.
2527 (General_options::General_options): Initialize new fields
2528 incremental_disposition_ and implicit_incremental_.
2529 (General_options::finalize): Check for uasge of --incremental-*
2530 without --incremental.
2532 2009-02-06 Chris Demetriou <cgd@google.com>
2534 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2535 pointer and to report location as the file name associated with
2537 (gold_undefined_symbol_at_location): New function to replace the
2538 old gold_undefined_symbol functionality.
2539 * target-reloc.h (relocate_section): Update to use
2540 gold_undefined_symbol_at_location.
2541 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2542 Call gold_undefined_symbol function rather than gold_error.
2543 * errors.h (Errors::undefined_symbol): Take location as a
2544 string, rather than calculating it from a relocation.
2545 * errors.cc (Errors::fatal): Print "fatal error:" before the
2547 (Errors::error, Errors::error_at_location): Print "error: "
2548 before the formatted message.
2549 (Errors::undefined_symbol): Take location as a string, rather
2550 than calculating it from a relocation.
2551 (gold_undefined_symbol_at_location): New function akin to
2552 old gold_undefined_symbol, calculates location from relocation.
2553 (gold_undefined_symbol): Change to take only a Symbol pointer
2554 and to report location as the file name associated with the symbol.
2555 * testsuite/debug_msg.sh: Update for changed error messages.
2556 * testsuite/undef_symbol.sh: Likewise.
2558 2009-02-04 Duncan Sands <baldrick@free.fr>
2561 * reduced_debug_output.h
2562 (Output_reduced_debug_abbrev_section::failed): Use format for
2564 (Output_reduced_debug_info_section::faild): Likewise.
2566 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2568 * script.cc (Lazy_demangler): New class.
2569 (Version_script_info::get_symbol_version_helper): Demangle a
2572 2009-01-29 Cary Coutant <ccoutant@google.com>
2574 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2576 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2578 2009-01-28 Ian Lance Taylor <iant@google.com>
2580 * version.cc (version_string): Bump to 1.9.
2582 * gold.h: Include <cstring> and <stdint.h>.
2583 * version.cc: Include <cstdio>.
2584 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2586 * reduced_debug_output.cc (insert_into_vector): Rename from
2587 Insert_into_vector; change all callers. Use Swap_unaligned to
2588 avoid aliasing issue; remove union since it is unnecessary.
2590 2009-01-27 Sriraman Tallam <tmsriram@google.com>
2592 * Makefile.am (CCFILES): Add gc.cc.
2594 * Makefile.in: Regenerate.
2595 * gold.cc (Gc_runner): New class.
2596 (queue_initial_tasks): Call garbage collection related tasks
2597 when corresponding options are invoked.
2598 (queue_middle_gc_tasks): New function.
2599 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2600 processed early before laying out sections during garbage collection.
2601 * gold.h (queue_middle_gc_tasks): New function.
2602 (is_prefix_of): Move from "layout.cc".
2603 * i386.cc (Target_i386::gc_process_relocs): New function.
2604 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2605 * main.cc (main): Create object of class "Garbage_collection".
2606 * object.cc (Relobj::copy_symbols_data): New function.
2607 (Relobj::is_section_name_included): New function.
2608 (Sized_relobj::do_layout): Allow this function to be called twice
2609 during garbage collection and defer layout of section during the
2611 * object.h (Relobj::get_symbols_data): New function.
2612 (Relobj::is_section_name_included): New function.
2613 (Relobj::copy_symbols_data): New function.
2614 (Relobj::set_symbols_data): New function.
2615 (Relobj::get_relocs_data): New function.
2616 (Relobj::set_relocs_data): New function.
2617 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2618 (Relobj::gc_process_relocs): New function.
2619 (Relobj::do_gc_process_relocs): New pure virtual function.
2620 (Relobj::sd_): New data member.
2621 (Sized_relobj::is_output_section_offset_invalid): New function.
2622 (Sized_relobj::do_gc_process_relocs): New function.
2623 * options.h (General_options::gc_sections): Modify to not be a no-op.
2624 (General_options::print_gc_sections): New option.
2625 * plugin.cc (Plugin_finish::run): Remove function call to
2626 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2627 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2628 * reloc.cc (Read_relocs::run): Add task to process relocs and
2629 determine unreferenced sections when doing garbage collection.
2630 (Gc_process_relocs): New class.
2631 (Sized_relobj::do_gc_process_relocs): New function.
2632 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2633 sections that are garbage collected.
2634 * reloc.h (Gc_process_relocs): New class.
2635 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2636 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2637 symbols whose corresponding sections are garbage collected.
2638 (Symbol_table::Symbol_table): Add new parameter for the garbage
2640 (Symbol_table::gc_mark_undef_symbols): New function.
2641 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2642 (Symbol_table::gc_mark_dyn_syms): New function.
2643 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2645 (Symbol_table::add_from_object): Likewise.
2646 (Symbol_table::add_from_relobj): When building shared objects, do not
2647 treat externally visible symbols as garbage.
2648 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2649 table information for static and relocatable links.
2650 * symtab.h (Symbol_table::set_gc): New function.
2651 (Symbol_table::gc): New function.
2652 (Symbol_table::gc_mark_undef_symbols): New function.
2653 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2654 (Symbol_table::gc_mark_dyn_syms): New function.
2655 (Symbol_table::gc_): New data member.
2656 * target.h (Sized_target::gc_process_relocs): New pure virtual
2658 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2659 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2661 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2663 * options.h (General_options::gc_sections): Define as a no-op for now.
2664 (General_options::no_keep_memory): Ditto.
2665 (General_options::Bshareable): Define.
2666 * options.cc (General_options::finalize): Honor -Bshareable.
2668 2009-01-20 Andreas Schwab <schwab@suse.de>
2670 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2671 read the value in the contents, since we don't use it. Use the
2672 template endianness when writing.
2673 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2675 2009-01-19 Andreas Schwab <schwab@suse.de>
2677 * configure.tgt (powerpc64-*): Fix targ_obj.
2679 2009-01-15 Ian Lance Taylor <iant@google.com>
2681 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2682 local symbols when stripping all symbols.
2684 2009-01-14 Cary Coutant <ccoutant@google.com>
2686 * output.cc (Output_reloc): Add explicit instantiations.
2688 2009-01-14 Cary Coutant <ccoutant@google.com>
2690 * archive.cc (Archive::get_elf_object_for_member): Remove call
2691 to File_read::claim_for_plugin.
2692 * descriptors.cc (Descriptors::open): Remove reference to
2694 (Descriptors::claim_for_plugin): Remove.
2695 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2696 (Descriptors::is_claimed): Remove.
2697 (claim_descriptor_for_plugin): Remove.
2698 * fileread.cc (File_read::claim_for_plugin): Remove.
2699 * fileread.h (File_read::claim_for_plugin): Remove.
2700 (File_read::descriptor): Reopen descriptor if necessary.
2701 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2702 (Plugin_manager::all_symbols_read): Add task parameter. Change
2704 (Plugin_manager::get_input_file): New function.
2705 (Plugin_manager::release_input_file): New function.
2706 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2707 corresponding data member.
2708 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2709 and pass to base constructor. Change all callers.
2710 (get_input_file, release_input_file): New functions.
2711 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2712 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2713 (Plugin_manager::all_symbols_read): Add task parameter.
2714 (Plugin_manager::get_input_file): New function.
2715 (Plugin_manager::release_input_file): New function.
2716 (Plugin_manager::task_): New data member.
2717 (Pluginobj::Pluginobj): Add filesize parameter.
2718 (Pluginobj::filename): New function.
2719 (Pluginobj::descriptor): New function.
2720 (Pluginobj::filesize): New function.
2721 (Pluginobj::filesize_): New data member.
2722 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2723 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2724 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2726 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2727 with archive libraries.
2728 * testsuite/Makefile.in: Regenerate.
2729 * testsuite/plugin_test.c (struct sym_info): New type.
2730 (get_input_file, release_input_file): New static variables.
2731 (onload): Capture new transfer vector entries.
2732 (claim_file_hook): Stop reading at end of file according to filesize.
2733 Factor out parsing of readelf output into separate function.
2734 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2735 APIs and get the source file name from the symbol table. Convert
2736 source file name to corresponding object file name. Print info
2737 message when adding new input files.
2738 (parse_readelf_line): New function.
2739 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2740 * testsuite/plugin_test_2.sh: Likewise.
2741 * testsuite/plugin_test_3.sh: Likewise.
2742 * testsuite/plugin_test_4.sh: New test case.
2744 2009-01-07 Ian Lance Taylor <iant@google.com>
2746 * version.cc (version_string): Bump to 1.8.
2748 2008-12-23 Cary Coutant <ccoutant@google.com>
2750 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2751 * plugin.cc (Plugin_manager::finish): Rename as
2752 layout_deferred_objects. Move cleanup to separate function.
2753 (Plugin_manager::cleanup): New function.
2754 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2756 * plugin.h (Plugin_manager::finish): Rename as
2757 layout_deferred_objects.
2758 (Plugin_manager::cleanup): New function.
2759 (Plugin_manager::cleanup_done): New field.
2761 2008-12-23 Cary Coutant <ccoutant@google.com>
2763 * plugin.cc (is_visible_from_outside): New function.
2764 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2765 so we don't return "IR only" status for exported symbols or -r links.
2767 * testsuite/Makefile.am (plugin_test_3): New test case.
2768 * testsuite/Makefile.in: Regenerate.
2769 * testsuite/plugin_test_3.sh: New file.
2771 2008-12-22 Cary Coutant <ccoutant@google.com>
2773 * object.cc (Sized_relobj::layout_section): New function.
2774 (Sized_relobj::do_layout): Defer layout of input sections until after
2775 plugin has provided replacement files.
2776 (Sized_relobj::do_layout_deferred_sections): New function.
2777 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2778 (Relobj::layout_deferred_sections): New function.
2779 (Relobj::do_layout_deferred_sections): New function.
2780 (Sized_relobj::do_layout_deferred_sections): New function.
2781 (Sized_relobj::layout_section): New function.
2782 (Sized_relobj::Deferred_layout): New structure.
2783 (Sized_relobj::deferred_layout_): New field.
2784 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2785 Change all callers. Layout deferred sections.
2786 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2788 (Plugin_hook::run): Move code from do_plugin_hook inline.
2789 (Plugin_hook::do_plugin_hook): Remove.
2790 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2791 (Plugin_manager::finish): Renamed, was cleanup.
2792 (Plugin_manager::should_defer_layout): New function.
2793 (Plugin_manager::add_deferred_layout_object): New function.
2794 (Plugin_manager::Deferred_layout_list): New type.
2795 (Plugin_manager::deferred_layout_objects_): New field.
2796 (Plugin_hook::do_plugin_hook): Remove.
2798 2008-12-17 Ian Lance Taylor <iant@google.com>
2800 * options.h (class General_options): Add --no case for
2803 2008-12-16 Cary Coutant <ccoutant@google.com>
2805 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2807 (Plugin_manager::claim_file): Create plugin object even if
2808 plugin did not call the add_symbols callback.
2809 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2810 asking for more symbols than were added.
2811 * testsuite/Makefile.am (plugin_test_1): Add test case with
2813 (empty.syms): New target.
2814 * testsuite/Makefile.in: Regenerate.
2815 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2816 message. Don't call add_symbols if no globals.
2817 (all_symbols_read_hook): Don't provide replacement for empty
2820 2008-12-12 Ian Lance Taylor <iant@google.com>
2822 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2823 r_type == 0 for a local symbol with r_sym == 0.
2824 (scan_relocatable_relocs): Pass r_sym to
2825 local_non_section_strategy.
2826 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2829 * configure.ac: Update test for TLS descriptors: they are
2830 supported as of glibc 2.9.
2831 * configure: Rebuild.
2833 2008-12-11 Ian Lance Taylor <iant@google.com>
2836 * target-reloc.h (Default_scan_relocatable_relocs): For each
2837 function, map r_type == 0 to RELOC_DISCARD.
2839 2008-12-10 Cary Coutant <ccoutant@google.com>
2841 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2842 object to override a kept COMDAT group from a plugin object.
2844 2008-12-09 Ian Lance Taylor <iant@google.com>
2847 * yyscript.y (file_cmd): Handle INPUT.
2849 * testsuite/initpri1.c: Change all declarations to be full
2850 prototypes by adding void, to avoid compiler warnings.
2852 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
2854 * options.cc (General_options::parse_plugin_opt): New.
2855 (General_options::add_plugin): The argument now is just the filename.
2856 (General_options::add_plugin_option): New.
2857 * options.h (plugin_opt): New.
2858 (add_plugin): Change argument name.
2859 (add_plugin_option): New.
2860 * plugin.cc (Plugin::load): Don't parse the plugin option.
2861 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2862 (Plugin::add_option): New.
2863 (Plugin::args_): Change type.
2864 (Plugin::filename_): New.
2865 (Plugin_manager::add_plugin_option): New.
2866 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2867 * testsuite/Makefile.in: Regenerate.
2869 2008-12-05 Cary Coutant <ccoutant@google.com>
2871 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2872 Handle --strip-lto-sections option.
2873 * options.h (strip_lto_sections): New option.
2875 2008-12-01 Cary Coutant <ccoutant@google.com>
2877 * plugin.cc (ld_plugin_message): Change format parameter to const.
2878 Fix mismatch between new[] and delete.
2880 2008-11-14 Cary Coutant <ccoutant@google.com>
2882 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2885 2008-11-05 Craig Silverstein <csilvers@google.com>
2887 * options.cc (General_options::parse_dynamic_list): New function.
2888 * options.h (General_options): New flags dynamic_list,
2889 dynamic_list_data, dynamic_list_cpp_new, and
2890 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2891 (General_options::in_dynamic_list): New function.
2892 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2893 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2894 (Lex::can_continue_name): Likewise.
2896 (read_script_file): New parameter script_options.
2897 (read_dynamic_list): New function.
2898 (Script_options::define_dynamic_list): New function.
2899 (dynamic_list_keyword_parsecodes): New variable.
2900 (dynamic_list_keywords): New variable.
2901 * script.h (Script_options::define_dynamic_list): New function
2903 (read_dynamic_list): New function prototype.
2904 * symtab.cc (strprefix): New macro.
2905 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2906 dynamic_list_data, dynamic_list_cpp_new, and
2907 dynamic_list_cpp_typeinfo.
2908 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2909 (dynamic_list_expr): New rule.
2910 (dynamic_list_nodes): Likewise.
2911 (dynamic_list_node): Likewise.
2912 * testsuite/Makefile.am (dynamic_list): New test.
2913 * testsuite/Makefile.in: Regenerated.
2914 * testsuite/dynamic_list.t: New file.
2915 * testsuite/dynamic_list.sh: New file.
2917 2008-11-05 Craig Silverstein <csilvers@google.com>
2919 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2920 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2921 (t11_last): Likewise.
2922 * testsuite/ver_test_6.c (main): Likewise.
2924 2008-10-07 Cary Coutant <ccoutant@google.com>
2926 * options.c (General_options::finalize): Add check for -static and
2928 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2931 2008-10-02 Cary Coutant <ccoutant@google.com>
2933 * plugin.cc (make_sized_plugin_object): Fix conditional
2934 compilation to work when not all targets are enabled.
2936 2008-09-29 Cary Coutant <ccoutant@google.com>
2938 * archive.cc (Archive::get_file_and_offset): Use filename instead
2939 of name to get library path.
2940 (Archive::include_member): Unlock external member of a thin archive.
2942 * testsuite/Makefile.am (TEST_AR): New variable.
2943 (thin_archive_test_1): New test.
2944 (thin_archive_test_2): New test.
2945 * testsuite/Makefile.in: Regenerate.
2946 * testsuite/thin_archive_main.cc: New file.
2947 * testsuite/thin_archive_test_1.cc: New file.
2948 * testsuite/thin_archive_test_2.cc: New file.
2949 * testsuite/thin_archive_test_3.cc: New file.
2950 * testsuite/thin_archive_test_4.cc: New file.
2952 2008-09-29 Cary Coutant <ccoutant@google.com>
2954 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2955 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2957 (Sized_relobj::do_finalize_local_symbols): Likewise.
2958 (Sized_relobj::map_to_kept_section): Likewise.
2959 * object.h (Sized_relobj::invalid_address): New constant.
2960 (Sized_relobj::do_output_section_offset): Check for invalid_address
2962 * output.cc (Output_reloc::local_section_offset): Use constant
2963 invalid_address instead of -1U.
2964 (Output_reloc::get_address): Likewise.
2965 (Output_section::output_address): Change -1U to -1ULL.
2966 * output.h (Output_reloc::invalid_address): New constant.
2967 * reloc.cc (Sized_relobj::write_sections): Use constant
2968 invalid_address instead of -1U.
2969 (Sized_relobj::relocate_sections): Likewise.
2970 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2971 values for merge sections.
2972 * target-reloc.h (relocate_for_relocatable): Use constant
2973 invalid_address instead of -1U.
2975 2008-09-19 Cary Coutant <ccoutant@google.com>
2977 Add plugin functionality for link-time optimization (LTO).
2978 * configure.ac (plugins): Add --enable-plugins option.
2979 * configure: Regenerate.
2980 * config.in: Regenerate.
2981 * Makefile.am (LIBDL): New variable.
2982 (CCFILES): Add plugin.cc.
2983 (HFILES): Add plugin.h.
2984 (ldadd_var): Add LIBDL.
2985 * Makefile.in: Regenerate.
2987 * archive.cc: Include "plugin.h".
2988 (Archive::setup): Don't preread archive symbols when using a plugin.
2989 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
2990 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2992 (Archive::include_member): Add symbols from plugin objects.
2993 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2994 * descriptors.cc (Descriptors::open): Check for file descriptors
2995 abandoned by plugins.
2996 (Descriptors::claim_for_plugin): New function.
2997 * descriptors.h (Descriptors::claim_for_plugin): New function.
2998 (Open_descriptor::is_claimed): New field.
2999 (claim_descriptor_for_plugin): New function.
3000 * fileread.cc (File_read::claim_for_plugin): New function.
3001 * fileread.h (File_read::claim_for_plugin): New function.
3002 (File_read::descriptor): New function.
3003 * gold.cc: Include "plugin.h".
3004 (queue_initial_tasks): Add task to call plugin hooks for generating
3006 * main.cc: Include "plugin.h".
3007 (main): Load plugin libraries.
3008 * object.h (Pluginobj): Declare.
3009 (Object::pluginobj): New function.
3010 (Object::do_pluginobj): New function.
3011 (Object::set_target): New function.
3012 * options.cc: Include "plugin.h".
3013 (General_options::parse_plugin): New function.
3014 (General_options::General_options): Initialize plugins_ field.
3015 (General_options::add_plugin): New function.
3016 * options.h (Plugin_manager): Declare.
3017 (General_options): Add --plugin option.
3018 (General_options::has_plugins): New function.
3019 (General_options::plugins): New function.
3020 (General_options::add_plugin): New function.
3021 (General_options::plugins_): New field.
3022 * plugin.cc: New file.
3023 * plugin.h: New file.
3024 * readsyms.cc: Include "plugin.h".
3025 (Read_symbols::do_read_symbols): Check for archive before checking
3026 for ELF file. Call plugin hooks to claim files.
3027 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3028 from a real object file; force override when processing replacement
3030 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3031 (Symbol::init_base_object): Likewise.
3032 (Symbol::init_base_output_data): Likewise.
3033 (Symbol::init_base_output_segment): Likewise.
3034 (Symbol::init_base_constant): Likewise.
3035 (Symbol::init_base_undefined): Likewise.
3036 (Symbol::output_section): Assert that object is not a plugin.
3037 (Symbol_table::add_from_pluginobj): New function.
3038 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3040 (Symbol_table::sized_write_globals): Likewise.
3041 (Symbol_table::add_from_pluginobj): Instantiate template.
3042 * symtab.h (Sized_pluginobj): Declare.
3043 (Symbol::in_real_elf): New function.
3044 (Symbol::set_in_real_elf): New function.
3045 (Symbol::in_real_elf_): New field.
3046 (Symbol_table::add_from_pluginobj): New function.
3048 * testsuite/Makefile.am (AM_CFLAGS): New variable.
3049 (LIBDL): New variable.
3051 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3052 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3053 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3054 (MOSTLYCLEANFILES): Likewise.
3055 * testsuite/Makefile.in: Regenerate.
3056 * testsuite/plugin_test.c: New file.
3057 * testsuite/plugin_test_1.sh: New file.
3058 * testsuite/plugin_test_2.sh: New file.
3060 2008-09-16 Ian Lance Taylor <iant@google.com>
3062 * target-reloc.h (relocate_section): Check whether a symbol is
3063 defined by the ABI before reporting an undefined symbol error.
3064 * target.h (Target::is_defined_by_abi): Make parameter const.
3065 (Target::do_is_defined_by_abi): Likewise.
3066 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3067 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3068 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3069 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3070 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3071 * testsuite/Makefile.in: Rebuild.
3073 * fileread.cc (make_view): Add casts to avoid warning.
3075 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
3077 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3078 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3080 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
3082 * options.h (General_options::output_is_executable): New.
3083 (General_options::output_is_pie): New.
3084 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3085 for shared libraries.
3086 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3088 2008-09-11 Chris Demetriou <cgd@google.com>
3090 * options.h (origin): New -z option.
3091 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3092 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3095 2008-09-05 Cary Coutant <ccoutant@google.com>
3097 * fileread.cc (File_read::make_view): Add check for attempt to map
3100 2008-09-05 Cary Coutant <ccoutant@google.com>
3102 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3103 explicit instantiations.
3105 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
3108 * options.cc (General_options::finalize): Allow undefined symbols
3109 in shlibs if linking -shared.
3112 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3113 symbols as not needing a dynsym entry.
3115 2008-08-20 Craig Silverstein <csilvers@google.com>
3117 * fileread.cc (File_read::open): Do not lock the file unless it
3118 was successfully opened.
3120 2008-08-14 Cary Coutant <ccoutant@google.com>
3122 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3123 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3124 * testsuite/tls_test.cc (struct int128): 128-bit struct
3125 for testing TLS relocs with non-zero addend.
3126 (v12): New TLS variable.
3128 (t_last): Add check for v12.
3129 * testsuite/tls_test.h (t12): New function.
3130 * testsuite/tls_test_main.cc (thread_routine): Call new test.
3132 2008-08-13 Ian Lance Taylor <iant@google.com>
3134 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3135 set tls_segment_ or relro_segment_.
3136 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3138 * output.h (Output_section::clear_is_relro): New function.
3139 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3140 sections specially even when output_data_ is empty.
3141 (Output_segment::maximum_alignment): When first section is relro,
3142 only force alignment for PT_LOAD segments.
3143 * script.cc (script_data_segment_align): New function.
3144 (script_data_segment_relro_end): New function.
3145 * script-c.h (script_data_segment_align): Declare.
3146 (script_data_segment_relro_end): Declare.
3147 * script-sections.h (class Script_sections): Declare
3148 data_segment_align and data_segment_relro_end. Add fields
3149 segment_align_index_ and saw_relro_end_.
3150 * script-sections.cc (class Sections_element): Add set_is_relro
3151 virtual function. Add new bool* parameter to place_orphan_here.
3152 Add get_output_section virtual function.
3153 (class Output_section_definition): Add set_is_relro. Add new
3154 bool* parameter to place_orphan_here. Add get_output_section.
3155 Add is_relro_ field.
3156 (Output_section_definition::Output_section_definition): Initialize
3157 evaluated_address_, evaluated_load_address, evaluated_addralign_,
3158 and is_relro_ fields.
3159 (Output_section_definition::place_orphan_here): Add is_relro
3161 (Output_section_definition::set_section_addresses): Set relro for
3163 (Output_section_definition::alternate_constraint): Likewise.
3164 (class Orphan_output_section): Add new bool* parameter to
3165 place_orphan_here. Add get_output_section.
3166 (Orphan_output_section::place_orphan_here): Add is_relro
3168 (Script_sections::Script_sections): Initialize
3169 data_segment_align_index_ and saw_relro_end_.
3170 (Script_sections::data_segment_align): New function.
3171 (Script_sections::data_segment_relro_end): New function.
3172 (Script_sections::place_orphan): Set or clear is_relro.
3173 (Script_sections::set_section_addresses): Force alignment of first
3175 * yyscript.y (exp): Call script_data_segment_align and
3176 script_data_segment_relro_end.
3177 * testsuite/relro_script_test.t: New file.
3178 * testsuite/relro_test.cc (using_script): Declare.
3179 (t1, t2): Test using_script.
3180 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3181 (relro_script_test_SOURCES): Define.
3182 (relro_script_test_DEPENDENCIES): Define.
3183 (relro_script_test_LDFLAGS): Define.
3184 (relro_script_test_LDADD): Define.
3185 (relro_script_test.so): New target.
3186 * testsuite/Makefile.in: Rebuild.
3188 2008-08-06 Cary Coutant <ccoutant@google.com>
3190 * archive.cc (Archive::total_archives, Archive::total_members)
3191 (Archive::total_members_loaded): New variables.
3192 (Archive::setup): Add parameter. Add option to preread
3194 (Archive::read_armap): Add counter.
3195 (Archive::get_file_and_offset): New function.
3196 (Archive::get_elf_object_for_member): New function.
3197 (Archive::read_all_symbols): New function.
3198 (Archive::read_symbols): New function.
3199 (Archive::add_symbols): Add counters.
3200 (Archive::include_all_members): Use armap to find members if it's
3202 (Archive::include_member): Skip reading symbols if already read.
3203 Factored code into Archive::get_file_and_offset and
3204 Archive::get_elf_object_for_member. Changed call to
3205 Mapfile::report_include_archive_member.
3206 (Archive::print_stats): New function.
3207 * archive.h: Declare Object and Read_symbols_data classes.
3208 (Archive::Archive): Add initializers for new members.
3209 (Archive::setup): Add parameter.
3210 (Archive::print_stats): New function.
3211 (Archive::total_archives, Archive::total_members)
3212 (Archive::total_members_loaded): New variables.
3213 (Archive::get_file_and_offset): New function.
3214 (Archive::get_elf_object_for_member): New function.
3215 (Archive::read_all_symbols): New function.
3216 (Archive::read_symbols): New function.
3217 (Archive::Archive_member): New class.
3218 (Archive::members_): New member.
3219 (Archive::num_members_): New member.
3220 * main.cc: Include archive.h.
3221 (main): Call Archive::print_stats.
3222 * mapfile.cc (Mapfile::report_include_archive_member): Delete
3223 archive parameter; member_name is now the fully-decorated name.
3224 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3225 * options.h: (General_options): Add --preread-archive-symbols option.
3226 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3229 2008-08-04 Ian Lance Taylor <iant@google.com>
3231 * symtab.h (Symbol::use_plt_offset): New function.
3232 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3233 * powerpc.cc (Relocate::relocate): Likewise.
3234 * sparc.cc (Relocate::relocate): Likewise.
3235 * x86_64.cc (Relocate::relocate): Likewise.
3236 * testsuite/weak_plt.sh: New test.
3237 * testsuite/weak_plt_main.cc: New test.
3238 * testsuite/weak_plt_shared.cc: New test.
3239 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3240 (check_PROGRAMS): Add weak_plt.
3241 (check_DATA): Add weak_plt_shared.so.
3242 (weak_plt_main_pic.o, weak_plt): New targets.
3243 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3244 * testsuite/Makefile.in: Rebuild.
3246 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3248 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3249 * testsuite/Makefile.in: Rebuild.
3251 2008-08-04 Alan Modra <amodra@bigpond.net.au>
3253 * Makefile.am (POTFILES.in): Set LC_ALL=C.
3254 * Makefile.in: Regenerate.
3255 * po/POTFILES.in: Regenerate.
3257 2008-07-29 Ian Lance Taylor <iant@google.com>
3259 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3260 symbols before other symbols.
3261 * testsuite/script_test_2.cc (test_addr): Declare.
3262 (test_addr_alias): Declare.
3263 (main): Check that test_addr and test_addr_alias have the right
3265 * testsuite/script_test_2.t: Define test_addr_alias and
3268 2008-07-24 Ian Lance Taylor <iant@google.com>
3271 * descriptors.cc: New file.
3272 * descriptors.h: New file.
3273 * gold-threads.h (class Hold_optional_lock): New class.
3274 * fileread.cc: Include "descriptors.h".
3275 (File_read::~File_read): Release descriptor rather than closing
3277 (File_read::open) [file]: Call open_descriptor rather than open.
3278 Set is_descriptor_opened_.
3279 (File_read::open) [memory]: Assert that descriptor is not open.
3280 (File_read::reopen_descriptor): New function.
3281 (File_read::release): Release descriptor.
3282 (File_read::do_read): Make non-const. Reopen descriptor.
3283 (File_read::read): Make non-const.
3284 (File_read::make_view): Reopen descriptor.
3285 (File_read::do_readv): Likewise.
3286 * fileread.h (class File_read): Add is_descriptor_opened_ field.
3287 Update declarations.
3288 * layout.cc: Include "descriptors.h".
3289 (Layout::create_build_id): Use open_descriptor rather than open.
3290 * output.cc: Include "descriptors.h".
3291 (Output_file::open): Use open_descriptor rather than open.
3292 * archive.cc (Archive::const_iterator): Change Archive to be
3294 (Archive::begin, Archive::end): Make non-const.
3295 (Archive::count_members): Likewise.
3296 * archive.h (class Archive): Update declarations.
3297 * object.h (Object::read): Make non-const.
3298 * Makefile.am (CCFILES): Add descriptors.cc.
3299 (HFILES): Add descriptors.h.
3300 * Makefile.in: Rebuild.
3303 * gold.h: Always include <clocale>. Add Solaris workarounds
3304 following code in binutils/sysdep.h.
3307 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3308 this->eh_frame_hdr_ is NULL before using it.
3310 * dynobj.cc (Versions::Versions): Update comment.
3312 * dynobj.cc (Versions::Versions): If there is an soname, use it as
3313 the base version name.
3315 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3316 array size plus one.
3317 (Stringpool_template::set_string_offsets): Subtract one from key
3318 before using it as an array index.
3319 (Stringpool_template::get_offset_with_length): Likewise.
3320 (Stringpool_template::write_to_buffer): Likewise.
3321 * stringpool.h (Stringpool_template::get_offset_from_key):
3324 2008-07-23 Ian Lance Taylor <iant@google.com>
3327 * object.h (Merged_symbol_value::value): Do our best to handle a
3331 * script.cc (Version_script_info::get_versions): Don't add empty
3332 version tag to return value.
3333 (Version_script_info::get_symbol_version_helper): Change return
3334 type to bool. Add pversion parameter. Change all callers.
3335 (script_register_vers_node): Don't require a non-NULL tag.
3336 * script.h (class Version_script_info): Update declarations.
3337 (Version_script_info::get_symbol_version): Change return type to
3338 bool. Add version parameter. Change all callers.
3339 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3340 handling. Handle an empty version from a version script.
3341 (Symbol_table::define_special_symbol): Likewise.
3342 * testsuite/ver_test_10.script: New file.
3343 * testsuite/ver_test_10.sh: New file.
3344 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3345 (check_DATA): Add ver_test_10.syms.
3346 (ver_test_10.syms, ver_test_10.so): New target.
3347 * testsuite/Makefile.in: Rebuild.
3349 2008-07-23 Simon Baldwin <simonb@google.com>
3351 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3352 to zero for undefined symbols from dynamic libraries.
3354 2008-07-23 Ian Lance Taylor <iant@google.com>
3356 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3358 * symtab.h (class Symbol_table): Update declaration.
3359 * testsuite/ver_test_9.cc: New file.
3360 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3361 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3362 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3363 (ver_test_9.so, ver_test_9.o): New targets.
3364 * testsuite/Makefile.in: Rebuild.
3366 2008-07-22 Ian Lance Taylor <iant@google.com>
3368 * options.h (class General_options): Define --check-sections.
3369 * layout.cc (Layout::set_segment_offsets): Handle
3372 * options.h (class General_options): Define -n/--nmagic and
3374 * options.cc (General_options::finalize): For -n/--nmagic or
3375 -N/--omagic, set -static.
3376 * layout.cc (Layout::attach_allocated_section_to_segment): If
3377 -N/--omagic, don't put read-only and read-write sections in
3379 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3380 finding a read-only segment.
3381 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3382 don't set the minimum segment alignment to the common page size,
3383 and don't set the file offset to the address modulo the page size.
3384 * script-sections.cc (Script_sections::create_segments): If
3385 -n/--omagic, don't put read-only and read-write sections in
3388 * cref.cc: New file.
3390 * options.h (class General_options): Add --print-symbol-counts.
3391 * main.cc (main): Issue defined symbol report if requested.
3392 * archive.cc (Archive::interpret_header): Make into a const member
3394 (Archive::add_symbols): Call Input_objects::archive_start and
3396 (Archive::const_iterator): Define new class.
3397 (Archive::begin, Archive::end): New functions.
3398 (Archive::include_all_members): Rewrite to use iterator.
3399 (Archive::count_members): New function.
3400 * archive.h (class Archive): Update declarations.
3401 (Archive::filename): New function.
3402 * object.cc: Include "cref.h".
3403 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3404 (Sized_relobj::do_get_global_symbol_counts): New function.
3405 (Input_objects::add_object): Add object to cross-referencer.
3406 (Input_objects::archive_start): New function.
3407 (Input_objects::archive_stop): New function.
3408 (Input_objects::print_symbol_counts): New function.
3409 * object.h: Declare Cref and Archive.
3410 (Object::get_global_symbol_counts): New function.
3411 (Object::do_get_global_symbol_counts): New pure virtual function.
3412 (class Sized_relobj): Add defined_count_ field. Update
3414 (class Input_objects): Add cref_ field. Update constructor.
3415 Update declarations.
3416 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3418 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3420 (Sized_dynobj::do_get_global_symbol_counts): New function.
3421 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3422 defined_count_. Update declarations. Define Symbols typedef.
3423 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3424 parameter. Change all callers.
3425 (Symbol_table::add_from_dynobj): Add sympointers and defined
3426 parameters. Change all callers.
3427 * symtab.h (class Symbol_table): Update declarations.
3428 * Makefile.am (CCFILES): Add cref.cc.
3429 (HFILES): Add cref.h.
3430 * Makefile.in: Rebuild.
3432 2008-07-22 Simon Baldwin <simonb@google.com>
3434 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3435 to zero when writing undefined symbols.
3437 2008-07-22 Ian Lance Taylor <iant@google.com>
3439 * output.cc (Output_section::add_input_section): Don't try to
3440 merge empty merge sections.
3442 2008-07-21 Craig Silverstein <csilvers@google.com>
3444 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3445 Include symbol version in error message.
3447 2008-07-20 Chris Demetriou <cgd@google.com>
3449 * configure.ac (gold_cv_c_random_seed): New configured variable.
3450 (RANDOM_SEED_CFLAGS): New substituted variable.
3451 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3452 * configure: Rebuild.
3453 * Makefile.in: Likewise.
3454 * testsuite/Makefile.in: Likewise.
3456 2008-07-18 Ian Lance Taylor <iant@google.com>
3458 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3459 where we see NAME/NULL and NAME/VERSION as separate symbols.
3460 * testsuite/ver_test_main.cc (main): Call t4.
3461 (t4, t4_2a): Define.
3462 * testsuite/ver_test_2.cc (t4_2): Define.
3463 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3464 * testsuite/ver_test_4.cc (t4_2a): Define.
3465 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3466 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3468 2008-07-17 Ian Lance Taylor <iant@google.com>
3470 * dynobj.cc (Versions::add_def): If we give an error about a
3471 missing version, go ahead and create the version anyhow.
3473 2008-07-10 Ian Lance Taylor <iant@google.com>
3475 Handle output sections with more than 0x7fffffff bytes.
3476 * object.h (class Relobj): Change map_to_output_ to
3477 output_sections_, and just keep a section pointer. Change all
3478 uses. Move comdat group support to Sized_relobj.
3479 (Relobj::is_section_specially_mapped): Remove.
3480 (Relobj::output_section): Remove poff parameter. Change all
3482 (Relobj::output_section_offset): New function.
3483 (Relobj::set_section_offset): Rewrite.
3484 (Relobj::map_to_output): Remove.
3485 (Relobj::output_sections): New function.
3486 (Relobj::do_output_section_offset): New pure virtual function.
3487 (Relobj::do_set_section_offset): Likewise.
3488 (class Sized_relobj): Add section_offsets_ field. Add comdat
3489 group support from Relobj. Update declarations.
3490 (Sized_relobj::get_output_section_offset): New function.
3491 (Sized_relobj::do_output_section_offset): New function.
3492 (Sized_relobj::do_set_section_offset): New function.
3493 * object.cc (Relobj::output_section_address): Remove.
3494 (Sized_relobj::Sized_relobj): Initialize new fields.
3495 (Sized_relobj::include_section_group): Cast find_kept_object to
3497 (Sized_relobj::include_linkonce_section): Likewise.
3498 (Sized_relobj::do_layout): Use separate arrays for output section
3500 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3502 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3503 output_sections and section_offsets.
3504 (Sized_relobj::write_local_symbols): Likewise.
3505 (map_to_kept_section): Compute output address directly.
3506 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3507 output_sections and section_offsets.
3508 (Sized_relobj::write_sections): Likewise.
3509 (Sized_relobj::relocate_sections): Likewise.
3510 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3511 * output.h (class Output_reloc): Update declarations. Change
3512 u2_.relobj to Sized_relobj*.
3513 (class Output_data_reloc): Change add functions to use
3515 * output.cc (Output_reloc::Output_reloc): Change relobj to
3517 (Output_reloc::local_section_offset): Change return type to
3518 Elf_Addr. Use get_output_section_offset.
3519 (Output_reloc::get_address): Likewise.
3520 (Output_section::is_input_address_mapped): Don't call
3521 is_section_specially_mapped.
3522 (Output_section::output_offset): Likewise.
3523 (Output_section::output_address): Likewise.
3524 (Output_section::starting_output_address): Likewise.
3525 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3526 parameter to Sized_relobj*.
3527 (Copy_relocs::need_copy_reloc): Likewise.
3528 (Copy_relocs::save): Likewise.
3529 * copy-relocs.h (class Copy_relocs): Update declarations.
3530 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3531 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3532 * target-reloc.h (relocate_for_relocatable): Change
3533 offset_in_output_section type to Elf_Addr. Change code that uses
3535 * layout.cc (Layout::layout): Always set *off.
3536 * mapfile.cc (Mapfile::print_input_section): Use
3537 output_section_offset.
3538 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3540 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3541 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3542 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3544 2008-07-03 Ian Lance Taylor <iant@google.com>
3546 * layout.cc (Layout::include_section): Do not discard unrecognized
3547 SHT_STRTAB sections.
3549 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3551 * script.cc (Lex::can_continue_name): Make '?' allowable in
3552 version-script names.
3553 * testsuite/version_script.map: Change glob pattern to use '?'
3555 2008-06-30 Manish Singh <yosh@gimp.org>
3558 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3561 2008-06-30 Ian Lance Taylor <iant@google.com>
3565 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3566 versions]: Don't try to read the value in the contents, since we
3567 don't use it. Use the template endianness when writing.
3569 2008-06-25 Cary Coutant <ccoutant@google.com>
3571 * fileread.cc (File_read::make_view): Assert on zero-length view.
3572 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3573 symbol table when there are no symbols to read.
3575 2008-06-23 Craig Silverstein <csilvers@google.com>
3577 * version.cc (version_string): Bump to 1.7
3579 2008-06-18 Craig Silverstein <csilvers@google.com>
3581 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3582 constant 0xFFFF to type Valtype.
3583 (Powerpc_relocate_functions::rel16_ha): Likewise.
3585 2008-06-17 Ian Lance Taylor <iant@google.com>
3587 * output.h (Output_section::Input_section): Initialize p2align_ to
3588 zero for Output_section_data constructors.
3589 (Output_section::Input_section::addralign): If not an input
3590 section, return the alignment of the Output_section_data.
3591 * testsuite/copy_test.cc: New file.
3592 * testsuite/copy_test_1.cc: New file.
3593 * testsuite/copy_test_2.cc: New file.
3594 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3595 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3596 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3597 (copy_test_1_pic.o, copy_test_1.so): New targets.
3598 (copy_test_2_pic.o, copy_test_2.so): New targets.
3599 * testsuite/Makefile.in: Rebuild.
3601 * script-sections.cc (Script_sections::place_orphan): Initialize
3602 local variable exact.
3604 2008-06-13 David Edelsohn <edelsohn@gnu.org>
3606 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3608 2008-06-12 David Edelsohn <edelsohn@gnu.org>
3609 David S. Miller <davem@davemloft.net>
3611 * powerpc.cc: New file.
3612 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3613 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3614 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3615 * Makefile.in: Rebuild.
3617 2008-06-09 Ian Lance Taylor <iant@google.com>
3619 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3621 (throwing, orig_terminate): New static variables.
3622 (terminate_handler): New static function.
3623 (t2): Set terminate handler.
3625 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3628 * binary.cc (Binary_to_elf::sized_convert): Fix .data
3631 2008-05-30 Cary Coutant <ccoutant@google.com>
3633 * archive.cc (Archive::include_all_members) Correct to step
3634 over symbol table and extended name table in thin archives.
3636 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3639 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3642 2008-05-28 Caleb Howe <cshowe@google.com>
3644 * reduced_debug_output.cc: New file.
3645 * reduced_debug_output.h: New file.
3646 * options.h (class General_options): Add --strip-debug-non-line.
3647 * options.cc (General_options::finalize): Add strip_debug_non_line
3648 to the strip heirarchy.
3649 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3651 * layout.cc: Include "reduced_debug_output.h".
3652 (Layout::Layout): Initialize new fields.
3653 (line_only_debug_sections): New static array.
3654 (is_lines_only_debug_sections): New static inline function.
3655 (Layout::include_section): Handle --strip-debug-non-line.
3656 (Layout::make_output_section): If --strip-debug-non-line, build
3657 new output sections for .debug_abbrev and .debug_info.
3658 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3659 gold. Warn about possible overflow.
3660 (read_signed_LEB_128): Likewise.
3661 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3662 (read_signed_LEB_128): Declare.
3663 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3664 (HFILES): Add reduced_debug_output.h.
3665 * Makefile.in: Rebuild.
3667 2008-05-21 Ian Lance Taylor <iant@google.com>
3669 * mapfile.cc: New file.
3670 * mapfile.h: New file.
3671 * options.h (class General_options): Add -M/--print-map and -Map.
3672 * options.cc (General_options::finalize): Make -M equivalent to
3674 * main.cc: Include <cstdio> and "mapfile.h".
3675 (main): Open mapfile if requested.
3676 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3677 constructor. Change caller.
3678 (queue_initial_tasks): Add mapfile parameter. Change caller.
3679 (queue_middle_tasks): Likewise.
3680 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3682 * archive.cc: Include "mapfile.h".
3683 (Archive::add_symbols): Add mapfile parameter. Change all
3684 callers. Pass mapfile, symbol, and reason to include_member.
3685 (Archive::include_all_members): Add mapfile parameter. Change all
3687 (Archive::include_member): Add mapfile, sym, and why parameters.
3688 Change all callers. Report inclusion to map file.
3689 * archive.h: Include "fileread.h".
3690 (class Archive): Update declarations.
3691 (Archive::file): New const method.
3692 (class Add_archive_symbols): Add mapfile_ field. Update
3693 constructor. Change all callers.
3694 * readsyms.h (class Read_symbols): Likewise.
3695 (class Finish_group): Likewise.
3696 (class Read_script): Likewise.
3697 * common.cc: Include "mapfile.h".
3698 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3700 (Symbol_table::do_allocate_commons): Likewise.
3701 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3702 symbol allocation to mapfile.
3703 * common.h (class Allocate_commons_task): Add mapfile_ field.
3704 Update constructor. Change all callers.
3705 * symtab.h (class Symbol_table): Update declarations.
3706 * layout.cc: Include "mapfile.h".
3707 (Layout_task_runner::run): Print information to mapfile.
3708 (Layout::create_gold_note): Change Output_data_fixed_space to
3709 Output_data_zero_fill.
3710 (Layout::create_build_id): Likewise.
3711 (Layout::print_to_mapfile): New function.
3712 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3713 constructor. Change caller.
3714 (class Layout): Declare print_to_mapfile.
3715 * output.cc (Output_section::Input_section::print_to_mapfile): New
3717 (Output_section::add_input_section): If producing a map, always
3718 add to input_sections_ list.
3719 (Output_section::do_print_to_mapfile): New function.
3720 (Output_segment::print_sections_to_mapfile): New function.
3721 (Output_segment::print_section_list_to_mapfile): New function.
3722 * output.h: Include "mapfile.h".
3723 (Output_data::print_to_mapfile): New function.
3724 (Output_data::do_print_to_mapfile): New virtual function.
3725 (Output_segment_headers::do_print_to_mapfile): New function.
3726 (Output_file_header::do_print_to_mapfile): New function.
3727 (Output_data_const::do_print_to_mapfile): New function.
3728 (class Output_data_const_buffer): Add map_name_ field. Update
3729 constructor. Change all callers. Add do_print_to_mapfile
3731 (class Output_data_fixed_space): Likewise.
3732 (class Output_data_space): Likewise.
3733 (class Output_data_zero_fill): New class.
3734 (Output_data_strtab::do_print_to_mapfile): New function.
3735 (Output_data_reloc_base::do_print_to_mapfile): New function.
3736 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3737 (Output_data_group::do_print_to_mapfile): New function.
3738 (Output_data_got::do_print_to_mapfile): New function.
3739 (Output_data_dynamic::do_print_to_mapfile): New function.
3740 (Output_symtab_xindex::do_print_to_mapfile): New function.
3741 (class Output_section): Declare do_print_to_mapflie. Declare
3742 print_to_mapfile in Input_section.
3743 (class Output_segment): Declare new functions.
3744 * object.h (Sized_relobj::symbol_count): New function.
3745 * script-sections.cc
3746 (Output_section_element_dot_assignment::set_section_addresses):
3747 Change Output_data_fixed_space to Output_data_zero_fill.
3748 (Output_data_expression::do_print_to_mapfile): New function.
3749 * script.cc (read_input_script): Add mapfile parameter. Change
3751 * script.h (read_input_script): Update declaration.
3752 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3753 (Eh_frame::do_print_to_mapfile): New function.
3754 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3755 (Output_merge_string::do_print_to_mapfile): New function.
3756 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3758 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3760 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3762 * Makefile.am (CCFILES): Add mapfile.cc.
3763 (HFILES): Add mapfile.h.
3764 * Makefile.in: Rebuild.
3766 2008-05-19 Ian Lance Taylor <iant@google.com>
3768 * options.h (class General_options): Add -z relro.
3769 * layout.cc (Layout::Layout): Initialize relro_segment_.
3770 (Layout::add_output_section_data): Return the output section.
3771 (Layout::make_output_section): Rcognize relro sections and mark
3773 (Layout::attach_allocated_section_to_segment): Put relro sections
3774 in a PT_GNU_RELRO segment.
3775 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3777 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3779 (Layout::linkonce_mapping): Map d.rel.ro.local to
3781 (Layout::output_section_name): Us .data.rel.ro.local for any
3782 section which begins with that.
3783 * layout.h (class Layout): Update add_output_section_data
3784 declaration. Add relro_segment_ field.
3785 * output.cc (Output_section::Output_section): Initialize is_relro_
3786 and is_relro_local_ fields.
3787 (Output_segment::add_output_section): Group relro sections.
3788 (Output_segment::is_first_section_relro): New function.
3789 (Output_segment::maximum_alignment): If there is a relro section,
3790 align the segment to the common page size.
3791 (Output_segment::set_section_addresses): Track whether we are
3792 looking at relro sections. If the last section is a relro
3793 section, align to the common page size.
3794 (Output_segment::set_section_list_addresses): Add in_relro
3795 parameter. Change all callers. Align to the page size when
3796 moving from relro to non-relro section.
3797 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3799 * output.h (class Output_section): Add is_relro_ and
3800 is_relro_local_ fields.
3801 (Output_section::is_relro): New function.
3802 (Output_section::set_is_relro): New function.
3803 (Output_section::is_relro_local): New function.
3804 (Output_section::set_is_relro_local): New function.
3805 (class Output_segment): Update declarations.
3806 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3807 * sparc.cc (Target_sparc::got_section): Likewise.
3808 * x86_64.cc (Target_x86_64::got_section): Likewise.
3809 * testsuite/relro_test_main.cc: New file.
3810 * testsuite/relro_test.cc: New file.
3811 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3812 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3813 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3814 (relro_test.so, relro_test_pic.o): New targets.
3815 * testsuite/Makefile.in: Rebuild.
3817 2008-05-16 Ian Lance Taylor <iant@google.com>
3819 * output.cc (Output_segment::add_output_section): Remove front
3821 * output.h (class Output_segment): Remove
3822 add_initial_output_section and overloaded add_output_section.
3823 Update declaration of remaining add_output_section.
3824 * layout.cc (Layout::create_interp): Call add_output_section
3825 rather than add_initial_output_section.
3826 (Layout::finish_dynamic_section): Likewise.
3828 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3829 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3830 know the dynamic type.
3831 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3832 field. Initialize it in constructor.
3833 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3834 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3835 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3838 * output.cc (Output_reloc::get_address): Change return type to
3840 * output.h (class Output_reloc): Update get_address declaration.
3841 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3842 for section addresses.
3844 2008-05-09 Ian Lance Taylor <iant@google.com>
3847 * gold.cc (gold_nomem): Use return value of write.
3849 2008-05-08 Ian Lance Taylor <iant@google.com>
3851 * symtab.c (Symbol::init_base_output_data): Add version
3852 parameter. Change all callers.
3853 (Symbol::init_base_output_segment): Likewise.
3854 (Symbol::init_base_constant): Likewise.
3855 (Symbol::init_base_undefined): Likewise.
3856 (Sized_symbol::init_output_data): Likewise.
3857 (Sized_symbol::init_output_segment): Likewise.
3858 (Sized_symbol::init_constant): Likewise.
3859 (Sized_symbol::init_undefined): Likewise.
3860 (Symbol_table::do_define_in_output_data): If the new symbol has a
3861 version, mark it as the default.
3862 (Symbol_table::do_define_in_output_segment): Likewise.
3863 (Symbol_table::do_define_as_constant): Likewise.
3864 * symtab.h (class Symbol): Update declarations.
3865 (class Sized_symbol): Likewise.
3866 * resolve.cc (Symbol::override_version): New function.
3867 (Symbol::override_base): Call override_version.
3868 (Symbol::override_base_with_special): Likewise.
3869 * testsuite/ver_script_8.script: New file.
3870 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3871 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3872 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3873 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3875 2008-05-06 Ian Lance Taylor <iant@google.com>
3878 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3880 (class General_options): Remove existing --undefined, and add
3881 --no-undefined instead. Add new --undefined as synonym for -u.
3882 * archive.cc (Archive::add_symbols): Check whether symbol was
3884 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3885 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3886 all uses. Add IS_UNDEFINED. Update declarations to split
3887 different versions of init_base. Declare init_base_undefined.
3888 (Symbol::is_defined): Handle IS_UNDEFINED.
3889 (Symbol::is_undefined): Likewise.
3890 (Symbol::is_weak_undefined): Call is_undefined.
3891 (Symbol::is_absolute): Handle IS_CONSTANT.
3892 (class Sized_symbol): Update declarations to split different
3893 versions of init. Declare init_undefined.
3894 (class Symbol_table): Declare new functions.
3895 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3897 (Symbol::init_base_output_data): Likewise.
3898 (Symbol::init_base_output_segment): Likewise.
3899 (Symbol::init_base_constant): Likewise.
3900 (Symbol::init_base_undefined): New function.
3901 (Sized_symbol::init_object): Rename from init. Change all
3903 (Sized_symbol::init_output_data): Likewise.
3904 (Sized_symbol::init_output_segment): Likewise.
3905 (Sized_symbol::init_constant): Likewise.
3906 (Sized_symbol::init_undefined): New function.
3907 (Symbol_table::add_undefined_symbols_from_command_line): New
3909 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3911 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3912 (Symbol::output_section): Likewise.
3913 (Symbol::set_output_section): Likewise.
3914 (Symbol_table::sized_finalize_symbol): Likewise.
3915 (Symbol_table::sized_write_globals): Likewise.
3916 * resolve.cc (Symbol_table::should_override): Likewise.
3917 (Symbol::override_base_with_special): Likewise.
3919 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3920 symbol, change it to have default visibility.
3921 * testsuite/protected_1.cc: New file.
3922 * testsuite/protected_2.cc: New file.
3923 * testsuite/protected_3.cc: New file.
3924 * testsuite/protected_main_1.cc: New file.
3925 * testsuite/protected_main_2.cc: New file.
3926 * testsuite/protected_main_3.cc: New file.
3927 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3928 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3929 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3930 (protected_1.so): New target.
3931 (protected_1_pic.o, protected_2_pic.o): New targets.
3932 (protected_3_pic.o): New target.
3933 (check_PROGRAMS): Add protected_2.
3934 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3935 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3936 * testsuite/Makefile.in: Rebuild.
3938 * options.h (DEFINE_var): Add set_user_set_##varname__.
3939 (DEFINE_bool_alias): New macro.
3940 (class General_options): Define -Bstatic using DEFINE_bool_alias
3941 rather than DEFINE_special. Add --undefined as an alias for -z
3943 * options.cc (General_options::parse_Bstatic): Remove.
3945 * options.h (class General_options): Add --fatal-warnings.
3946 * main.cc (main): Implement --fatal-warnings.
3947 * errors.h (Errors::warning_count): New function.
3949 * options.h (class General_options): Add -Bsymbolic-functions.
3950 * symtab.h (Symbol::is_preemptible): Check for
3951 -Bsymbolic-functions.
3953 2008-05-05 Ian Lance Taylor <iant@google.com>
3955 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3956 as noVARNAME rather than no-VARNAME.
3957 (class General_options): Add option -z combreloc.
3958 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3960 (Output_reloc::sort_before) [SHT_REL]: New function.
3961 (Output_reloc::sort_before) [SHT_RELA]: New function.
3962 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3963 Sort_relocs_comparison.
3964 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3965 parameter. Change all callers.
3966 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3967 sort_relocs parameter. Change all callers.
3968 * output.cc (Output_reloc::get_address): New function, broken out
3970 (Output_reloc::write_rel): Call it.
3971 (Output_reloc::compare): New function.
3972 (Output_data_reloc_base::do_write): Optionally sort relocs.
3974 * configure.ac: If targ_extra_obj is set, link it in.
3975 * configure.tgt: Initialize all variables.
3976 (x86_64*): Set targ_extra_obj and targ_extra_size.
3977 * configure: Rebuild.
3979 * object.cc (Sized_relobj::include_section_group): Adjust section
3980 indexes read from group data. Build vector to pass to
3982 * layout.cc (Layout::layout_group): Add flags and shndxes
3983 parameters. Remove contents parameter. Change caller. Update
3984 explicit instantiations.
3985 * layout.h (class Layout): Update layout_group declaration.
3986 * output.cc (Output_data_group::Output_data_group): Add flags and
3987 input_shndxes parameters. Remove contents parameter. Change
3989 (Output_data_group::do_write): Change input_sections_ to
3991 * output.h (class Output_data_group): Update constructor
3992 declaration. Rename input_sections_ to input_shndxes_.
3993 * testsuite/many_sections_test.cc: Add template.
3995 2008-04-30 Cary Coutant <ccoutant@google.com>
3997 * target-reloc.h (relocate_section): Fix dead-pointer bug.
3999 * layout.cc (Layout::include_section): Refactored check for debug
4001 (Layout::add_comdat): Add new parameters. Change type
4002 of signature parameter. Add object and shndx to signatures table.
4003 (Layout::find_kept_object): New function.
4004 * layout.h: Include <cstring>.
4005 (Layout::is_debug_info_section): New function.
4006 (Layout::add_comdat): Add new parameters.
4007 (Layout::find_kept_object): New function.
4008 (Layout::Kept_section): New struct.
4009 (Layout::Signatures): Change type of map range.
4010 * object.cc (Relobj::output_section_address): New function.
4011 (Sized_relobj::include_section_group): Add new parameters. Change
4012 calls to Layout::add_comdat. Change to build table of kept comdat
4013 groups and table mapping discarded sections to kept sections.
4014 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
4015 (Sized_relobj::do_layout): Change calls to include_section_group and
4016 include_linkonce_section.
4017 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4018 value to zero when section is discarded.
4019 (Sized_relobj::map_to_kept_section): New function.
4020 * object.h (Relobj::output_section_address): New function.
4021 (Relobj::Comdat_group): New type.
4022 (Relobj::find_comdat_group): New function.
4023 (Relobj::Comdat_group_table): New type.
4024 (Relobj::Kept_comdat_section): New type.
4025 (Relobj::Kept_comdat_section_table): New type.
4026 (Relobj::add_comdat_group): New function.
4027 (Relobj::set_kept_comdat_section): New function.
4028 (Relobj::get_kept_comdat_section): New function.
4029 (Relobj::comdat_groups_): New field.
4030 (Relobj::kept_comdat_sections_): New field.
4031 (Symbol_value::input_value): Update comment.
4032 (Sized_relobj::map_to_kept_section) New function.
4033 (Sized_relobj::include_linkonce_section): Add new parameter.
4034 * target-reloc.h (Comdat_behavior): New type.
4035 (get_comdat_behavior): New function.
4036 (relocate_section): Add code to map a discarded section to the
4037 corresponding kept section when applying a relocation.
4039 2008-04-30 Craig Silverstein <csilvers@google.com>
4041 * dwarf_reader.cc (next_generation_count): New static var.
4042 (Addr2line_cache_entry): New struct.
4043 (addr2line_cache): New static var.
4044 (Dwarf_line_info::one_addr2line): Added caching.
4045 (Dwarf_line_info::clear_addr2line_cache): New function.
4046 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4047 cache-size parameter.
4048 (Dwarf_line_info::one_addr2line_cache): New function.
4049 * symtab.cc (Symbol_table::detect_odr_violations): Pass
4050 new cache-size argument to one_addr2line(), and clear cache.
4052 2008-04-28 Cary Coutant <ccoutant@google.com>
4054 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4055 R_386_PC8 relocations.
4057 2008-04-23 Ian Lance Taylor <iant@google.com>
4059 * object.cc (Sized_relobj::include_section_group): Check for
4060 invalid section group.
4062 * object.cc (make_elf_object): Correct test for 64-bit ELF file
4065 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4066 than read for file header.
4067 * archive.cc (Archive::include_member): Likewise.
4069 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
4071 * aclocal.m4: Regenerate.
4072 * configure: Regenerate.
4074 2008-04-19 Ian Lance Taylor <iant@google.com>
4076 * version.cc (version_string): Bump to 1.6.
4078 * testsuite/Makefile.am (many_sections_r_test): New target.
4079 (many_sections_r_test_SOURCES): Remove.
4080 (many_sections_r_test_DEPENDENCIES): Remove.
4081 (many_sections_r_test_LDFLAGS): Remove.
4082 (many_sections_r_test_LDADD): Remove.
4084 * object.cc (Sized_relobj::do_add_symbols): Always pass
4085 local_symbol_count_ to add_from_relobj.
4087 * testsuite/Makefile.am (many_sections_check.h): Only check one in
4088 every thousand variables.
4089 * testsuite/Makefile.in: Rebuild.
4091 * object.cc (Xindex::initialize_symtab_xindex): New function.
4092 (Xindex::read_symtab_xindex): New function.
4093 (Xindex::sym_xindex_to_shndx): New function.
4094 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4096 (Sized_relobj::do_initialize_xindex): New function.
4097 (Sized_relobj::do_read_symbols): Adjust section links.
4098 (Sized_relobj::symbol_section_and_value): Add is_ordinary
4099 parameter. Change all callers.
4100 (Sized_relobj::include_section_group): Adjust section links and
4101 symbol section indexes.
4102 (Sized_relobj::do_layout): Adjust section links.
4103 (Sized_relobj::do_count_local_symbols): Adjust section links and
4104 symbol section indexes.
4105 (Sized_relobj::do_finalize_local_symbols): Distinguish between
4106 ordinary and special symbols.
4107 (Sized_relobj::write_local_symbols): Add symtab_xindex and
4108 dynsym_xindex parameters. Change all callers. Adjust section
4109 links. Use SHN_XINDEX when needed.
4110 (Sized_relobj::get_symbol_location_info): Adjust section links.
4111 Don't get fooled by special symbols.
4112 * object.h (class Xindex): Define.
4113 (class Object): Add xindex_ parameter. Declare virtual functoin
4114 do_initialize_xindex.
4115 (Object::adjust_sym_shndx): New function.
4116 (Object::set_xindex): New protected function.
4117 (class Symbol_value): Add is_ordinary_shndx_ field.
4118 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4119 (Symbol_value::value): Assert ordinary section.
4120 (Symbol_value::initialize_input_to_output_map): Likewise.
4121 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4123 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
4125 (class Sized_relobj): Update declarations.
4126 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4127 parameter. Change all callers.
4128 (Sized_relobj::adjust_shndx): New function.
4129 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4131 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4132 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
4133 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
4134 (Sized_dynobj::read_dynsym_section): Adjust section links.
4135 (Sized_dynobj::read_dynamic): Likewise.
4136 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
4138 (Sized_dynobj::do_initialize_xindex): New function.
4139 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
4140 do_initialize_xindex.
4141 (Sized_dynobj::adjust_shndx): New function.
4142 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4143 dynsym_xindex_ fields.
4144 (Layout::finalize): Add a call to set_section_indexes before
4145 creating the symtab sections.
4146 (Layout::set_section_indexes): Don't do anything if the section
4147 already has a section index.
4148 (Layout::create_symtab_sections): Add shnum parameter. Change
4149 caller. Create .symtab_shndx section if needed.
4150 (Layout::create_shdrs): Add shstrtab_section parameter. Change
4152 (Layout::allocated_output_section_count): New function.
4153 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4155 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4156 fields. Update declarations.
4157 (Layout::symtab_xindex): New function.
4158 (Layout::dynsym_xindex): New function.
4159 (class Write_symbols_task): Add layout_ field.
4160 (Write_symbols_task::Write_symbols_task): Add layout parameter.
4162 * output.cc (Output_section_headers::Output_section_headers): Add
4163 shstrtab_section parameter. Change all callers.
4164 (Output_section_headers::do_sized_write): Store overflow values
4165 for section count and section string table section index in
4166 section header zero.
4167 (Output_file_header::do_sized_write): Check for overflow of
4168 section count and section string table section index.
4169 (Output_symtab_xindex::do_write): New function.
4170 (Output_symtab_xindex::endian_do_write): New function.
4171 * output.h (class Output_section_headers): Add shstrtab_section_.
4172 Update declarations.
4173 (class Output_symtab_xindex): Define.
4174 (Output_section::has_out_shndx): New function.
4175 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4177 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4179 (Sized_symbol::init): Likewise.
4180 (Symbol::output_section): Check for ordinary symbol.
4181 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
4182 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
4184 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4185 Change all callers. Simplify handling of symbols from sections
4186 not included in the link.
4187 (Symbol_table::add_from_dynobj): Handle ordinary symbol
4189 (Weak_alias_sorter::operator()): Assert that symbols are
4191 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4193 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4194 parameters. Change all callers.
4195 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
4196 symbol distinction. Use SHN_XINDEX when needed.
4197 (Symbol_table::write_section_symbol): Add symtab_xindex
4198 parameter. Change all callers.
4199 (Symbol_table::sized_write_section_symbol): Likewise. Use
4200 SHN_XINDEX when needed.
4201 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
4203 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
4204 (Symbol::is_defined): Check is_ordinary.
4205 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4206 (Symbol::is_absolute, Symbol::is_common): Likewise.
4207 (class Sized_symbol): Update declarations.
4208 (class Symbol_table): Update declarations.
4209 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4210 parameters. Change all callers.
4211 (Sized_symbol::override): Likewise.
4212 (Symbol_table::override): Likewise.
4213 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
4214 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
4215 is_ordinary, and orig_st_shndx parameters. Change all callers.
4216 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4217 to be in an ordinary section.
4218 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4219 object and is_ordinary parameters. Change all callers.
4220 (Sized_dwarf_line_info::read_relocs): Add object parameter.
4221 Change all callers. Don't add undefined or non-ordinary symbols
4223 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4225 * dwarf_reader.h (class Sized_dwarf_line_info): Update
4227 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4228 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4229 (Sized_relobj::relocate_sections): Likewise.
4230 * target-reloc.h (scan_relocs): Adjust section symbol index.
4231 (scan_relocatable_relocs): Likewise.
4232 * i386.cc (Scan::local): Check for ordinary symbols.
4233 * sparc.cc (Scan::local): Likewise.
4234 * x86_64.cc (Scan::local): Likewise.
4235 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4236 to symbol_section_and_value.
4237 * testsuite/many_sections_test.cc: New file.
4238 * testsuite/Makefile.am (BUILT_SOURCES): Define.
4239 (check_PROGRAMS): Add many_sections_test.
4240 (many_sections_test_SOURCES): Define.
4241 (many_sections_test_DEPENDENCIES): Define.
4242 (many_sections_test_LDFLAGS): Define.
4243 (BUILT_SOURCES): Add many_sections_define.h.
4244 (many_sections_define.h): New target.
4245 (BUILT_SOURCES): Add many_sections_check.h.
4246 (many_sections_check.h): New target.
4247 (check_PROGRAMS): Add many_sections_r_test.
4248 (many_sections_r_test_SOURCES): Define.
4249 (many_sections_r_test_DEPENDENCIES): Define.
4250 (many_sections_r_test_LDFLAGS): Define.
4251 (many_sections_r_test_LDADD): Define.
4252 (many_sections_r_test.o): New target.
4253 * testsuite/Makefile.in: Rebuild.
4255 2008-04-17 Cary Coutant <ccoutant@google.com>
4257 * errors.cc (Errors::info): New function.
4258 (gold_info): New function.
4259 * errors.h (Errors::info): New function.
4260 * gold.h (gold_info): New function.
4261 * object.cc (Input_objects::add_object): Print trace output.
4262 * options.cc (options::parse_set): New function.
4263 (General_options::parse_wrap): Deleted.
4264 (General_options::General_options): Deleted initializer.
4265 * options.h (options::String_set): New typedef.
4266 (options::parse_set): New function.
4267 (DEFINE_set): New macro.
4268 (General_options::wrap): Changed to use DEFINE_set. Changed
4269 callers of any_wrap_symbols and is_wrap_symbol.
4270 (General_options::trace, General_options::trace_symbol):
4272 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4273 (General_options::wrap_symbols_): Deleted.
4274 * symtab.cc (Symbol_table::add_from_object): Print trace output.
4276 2008-04-17 David S. Miller <davem@davemloft.net>
4278 * options.cc (General_options::parse_V): New function.
4279 * options.h: Add entries for -V and -Qy.
4281 2008-04-17 Ian Lance Taylor <iant@google.com>
4283 * common.cc (Symbol_table::allocate_commons): Remove options
4284 parameter. Change caller.
4285 (Symbol_table::do_allocate_commons): Remove options parameter.
4286 Change caller. Just call do_allocate_commons_list twice.
4287 (Symbol_table::do_allocate_commons_list): New function, broken out
4288 of do_allocate_commons.
4289 * common.h (class Allocate_commons_task): Remove options_ field.
4291 * symtab.cc (Symbol_table::Symbol_table): Initialize
4293 (Symbol_table::add_from_object): Put TLS common symbols on
4295 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4296 which are IN_OUTPUT_DATA.
4297 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
4298 allocate_commons and do_allocate_commons declarations. Declare
4299 do_allocate_commons_list.
4300 * gold.cc (queue_middle_tasks): Update creation of
4301 Allocate_commons_task to not pass options.
4302 * testsuite/Makefile.am (INCLUDES): Add -I.. .
4303 (TLS_TEST_C_FLAGS): New variable.
4304 (tls_test_c_pic.o): New target.
4305 (tls_test_shared.so): Link in tls_test_c_pic.o.
4306 (tls_test_c_pic_ie.o): New target.
4307 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4308 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4309 (tls_test_c.o): New target.
4310 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4311 (tls_pic_test_LDADD): Likewise.
4312 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4313 (tls_shared_gd_to_ie_test_LDADD): Likewise.
4314 (tls_test_c_gnu2.o): New target.
4315 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4317 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4318 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4319 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4320 * testsuite/tls_test.cc: Include "config.h".
4321 (t_last): Call t11_last.
4322 * testsuite/tls_test.h (t11, t11_last): Declare.
4323 * testsuite/tls_test_c.c: New file.
4324 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4325 * configure.ac: Check for OpenMP support.
4326 * configure, config.in, Makefile.in: Rebuild.
4327 * testsuite/Makefile.in: Rebuild.
4329 2008-04-16 Cary Coutant <ccoutant@google.com>
4331 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4332 (Target_i386::tls_base_symbol_defined_): New field.
4333 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4334 (Target_i386::Scan::global): Likewise.
4335 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4336 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4337 (Target_x86_64::tls_base_symbol_defined_): New field.
4338 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4339 (Target_x86_64::Scan::global): Likewise.
4341 2008-04-16 Cary Coutant <ccoutant@google.com>
4343 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4344 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4345 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4346 building shared libraries.
4347 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4348 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4349 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4350 * testsuite/Makefile.in: Rebuild.
4351 * testsuite/weak_undef.h: New file.
4352 * testsuite/weak_undef_file1.cc: Add extra test cases.
4353 * testsuite/weak_undef_file2.cc: Likewise.
4354 * testsuite/weak_undef_test.cc: Likewise.
4356 2008-04-16 David S. Miller <davem@davemloft.net>
4358 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4359 Add issued_non_pic_error_ field. Declare check_non_pic.
4360 (Target_sparc::Scan::check_non_pic): New function.
4361 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4362 (Target_sparc::Scan::global): Likewise.
4364 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4365 * configure: Rebuild.
4367 * options.h (DEFINE_enable): New macro.
4368 (new_dtags): New enable option.
4369 (initfirst, interpose, loadfltr, nodefaultlib,
4370 nodelete, nodlopen, nodump): New -z options.
4371 * layout.cc (Layout:finish_dynamic_section): If new
4372 dtags enabled, emit DT_RUNPATH. Also, emit a
4373 DT_FLAGS_1 containing any specified -z flags.
4375 2008-04-16 Ian Lance Taylor <iant@google.com>
4377 * copy-relocs.cc: New file.
4378 * copy-relocs.h: New file.
4379 * reloc.cc: Remove Copy_relocs code.
4380 * reloc.h: Likewise.
4381 * reloc-types.h (struct Reloc_types) [both versions]: Add
4382 get_reloc_addend_noerror.
4383 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4384 variants of add_global which take an addend which must be zero.
4385 * i386.cc: Include "copy-relocs.h".
4386 (class Target_i386): Change type of copy_relocs_ to variable,
4388 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4390 (Target_i386::do_finalize_sections): Change handling of
4392 * sparc.cc: Include "copy-relocs.h".
4393 (class Target_sparc): Change type of copy_relocs_ to variable,
4395 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4397 (Target_sparc::do_finalize_sections): Change handling of
4399 * x86_64.cc: Include "copy-relocs.h".
4400 (class Target_x86_64): Change type of copy_relocs_ to variable,
4402 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4403 class. Change all callers.
4404 (Target_x86_64::do_finalize_sections): Change handling of
4406 * Makefile.am (CCFILES): Add copy-relocs.cc.
4407 (HFILES): Add copy-relocs.h.
4409 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4411 * testsuite/script_test_4.sh: Permit leading zeroes.
4413 2008-04-15 Ian Lance Taylor <iant@google.com>
4415 * script-sections.cc (Script_sections::create_segments): Use
4416 header_size_adjustment even when there is enough room for the
4418 * testsuite/script_test_4.sh: New file.
4419 * testsuite/script_test_4.t: New file.
4420 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4421 (check_DATA): Add script_test_4.stdout.
4422 (MOSTLYCLEANFILES): Likewise.
4423 (script_test_4): New target.
4424 (script_test_4.stdout): New target.
4425 * testsuite/Makefile.in: Rebuild.
4427 * sparc.cc: Add definitions for Output_data_plt_sparc class
4430 2008-04-14 David S. Miller <davem@davemloft.net>
4432 * sparc.cc: New file.
4433 * Makefile.am (TARGETSOURCES): Add sparc.cc
4434 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4435 * configure.tgt: Document targ_extra_size and
4436 targ_extra_big_endian. Add entries for sparc-* and
4438 * configure.ac: Handle targ_extra_size and
4439 targ_extra_big_endian.
4440 * Makefile.in: Rebuild.
4441 * configure: Likewise.
4442 * po/POTFILES.in: Likewise.
4443 * po/gold.pot: Likewise.
4445 2008-04-14 Ian Lance Taylor <iant@google.com>
4447 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4448 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4449 in the name/type/flags to section mapping. Don't call
4450 allocate_output_section.
4451 (Layout::choose_output_section): Change parameter from adjust_name
4452 to is_input_section. Don't permit input sections after sections
4453 are attached to segments. Don't call allocate_output_section.
4454 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4455 not write_enable_output_section.
4456 (Layout::make_output_section): Don't push to
4457 unattached_section_list_ nor call attach_to_segment. Call
4458 attach_section_to_segment if sections are attached.
4459 (Layout::attach_sections_to_segments): New function.
4460 (Layout::attach_section_to_segment): New function.
4461 (Layout::attach_allocated_section_to_segment): Rename from
4462 attach_to_segment. Remove flags parameter.
4463 (Layout::allocate_output_section): Remove function.
4464 (Layout::write_enable_output_section): Remove function.
4465 * layout.h (class Layout): Update for above changes. Add new
4466 field sections_are_attached_.
4467 * output.h (Output_section::update_flags_for_input_section): New
4469 * output.cc (Output_section::add_input_section): Call
4470 update_flags_for_input_section.
4471 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4473 2008-04-11 Cary Coutant <ccoutant@google.com>
4475 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4476 thought unnecessary.
4477 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4479 2008-04-11 Ian Lance Taylor <iant@google.com>
4481 * output.h (class Output_section_data): Remove inline definition
4483 * output.cc (Output_section_data::set_addralign): New function.
4485 2008-04-11 Cary Coutant <ccoutant@google.com>
4487 Add support for TLS descriptors for i386 and x86_64.
4488 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4489 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4490 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4492 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4493 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4494 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4496 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4497 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4498 Fix problem with initial-exec relocations.
4499 (Target_i386::Relocate::relocate_tls): Likewise.
4500 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4502 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4503 support for section-plus-offset dynamic table entries.
4504 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4505 (Output_data_dynamic::Dynamic_entry): Add support for
4506 section-plus-offset dynamic table entries.
4507 (Output_data_dynamic::Classification): Likewise.
4508 (Output_data_dynamic::classification_): Renamed offset_.
4509 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4510 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4511 (Target_x86_64::make_plt_section): New function.
4512 (Target_x86_64::reserve_tlsdesc_entries): New function.
4513 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4514 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4515 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4516 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4517 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4518 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4519 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4520 add extra PLT entry for TLS descriptors.
4521 (Output_data_plt_x86_64::got_): New field.
4522 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4523 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4525 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4527 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4528 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4529 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4530 R_386_TLS_DESC_CALL relocations.
4531 (Target_x86_64::Scan::global): Likewise.
4532 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4533 for TLS descriptors.
4534 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4535 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4536 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4537 GD-to-IE relaxation.
4538 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4539 and TLS_DESCRIPTORS.
4540 * Makefile.in: Rebuild.
4541 * configure: Rebuild.
4542 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4543 (tls_test_shared2.so): New target.
4544 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4545 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4546 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4547 (tls_shared_gd_to_ie_test_LDADD): New variable.
4548 (tls_shared_gnu2_gd_to_ie_test): New target.
4549 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4551 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4552 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4553 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4554 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4555 (tls_shared_gnu2_test): New target.
4556 (tls_test_gnu2_shared.so): New target.
4557 (tls_shared_gnu2_test_SOURCES): New variable.
4558 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4559 (tls_shared_gnu2_test_LDFLAGS): New variable.
4560 (tls_shared_gnu2_test_LDADD): New variable.
4561 * testsuite/Makefile.in: Rebuild.
4562 * testsuite/Makefile.
4564 2008-04-11 Ian Lance Taylor <iant@google.com>
4566 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4568 * testsuite/Makefile.in: Rebuild.
4570 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4572 * testsuite/script_test_2.cc (main): Adjust test.
4574 2008-04-11 David S. Miller <davem@davemloft.net>
4575 Ian Lance Taylor <iant@google.com>
4577 * options.h (General_options): Add entries for '-Y' and
4579 * options.cc (General_options:finalize): If -Y was used, add those
4580 entries to the library path instead of the default "/lib" and
4583 2008-04-11 David S. Miller <davem@davemloft.net>
4585 * testsuite/justsyms.t: Start at 0x100.
4586 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4587 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4589 * testsuite/script_test_2.cc: Adjust string and section length
4592 2008-04-09 Ian Lance Taylor <iant@google.com>
4595 * script-sections.cc (Sections_element::allocate_to_segment): Add
4597 (Output_section_definition::allocate_to_segment): Likewise.
4598 (Orphan_output_section::allocate_to_segment): Likewise.
4599 (Script_sections::attach_sections_using_phdrs_clause): Don't
4600 propagate non-PT_LOAD segments to orphan sections.
4601 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4602 readelf rather than objdump.
4603 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4604 .interp section and PT_INTERP segment are the same size.
4605 * testsuite/Makefile.in: Rebuild.
4607 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4608 aliases for symbols defined in the same object.
4609 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4610 (weak_alias_test_SOURCES): New variable.
4611 (weak_alias_test_DEPENDENCIES): New variable.
4612 (weak_alias_test_LDFLAGS): New variable.
4613 (weak_alias_test_LDADD): New variable.
4614 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4615 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4616 (weak_alias_test_3.o): New target.
4617 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4618 * testsuite/weak_alias_test_main.cc: New file.
4619 * testsuite/weak_alias_test_1.cc: New file.
4620 * testsuite/weak_alias_test_2.cc: New file.
4621 * testsuite/weak_alias_test_3.cc: New file.
4623 2008-04-08 Ian Lance Taylor <iant@google.com>
4625 * options.h (class General_options): Add --noinhibit-exec option.
4626 * main.cc (main): Check --noinhibit-exec.
4628 * options.h (class General_options): Define --wrap as a special
4629 option. Add wrap_symbols_ field.
4630 (General_options::any_wrap_symbols): New function.
4631 (General_options::is_wrap_symbol): New function.
4632 * options.cc (General_options::parse_wrap): New function.
4633 (General_options::General_options): Initialize wrap_symbols_.
4634 * symtab.cc (Symbol_table::wrap_symbol): New function.
4635 (Symbol_table::add_from_object): Handle --wrap.
4636 * symtab.h (class Symbol_table): Declare wrap_symbol.
4637 * target.h (Target::wrap_char): New function.
4638 (Target::Target_info): Add wrap_char field.
4639 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4640 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4641 * testsuite/testfile.cc (Target_test::test_target_info):
4644 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4647 * layout.h (class Layout): Add added_eh_frame_data_ field.
4648 * layout.cc (Layout::Layout): Initialize new field.
4649 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4650 output section until we find a section we merged successfully.
4651 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4652 that the size be non-zero.
4654 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4657 2008-04-08 Craig Silverstein <csilvers@google.com>
4659 * configure.ac: Export new conditional variable HAVE_ZLIB.
4660 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4662 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4663 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4665 2008-04-07 Ian Lance Taylor <iant@google.com>
4667 * version.cc (version_string): Set to "1.5".
4669 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4670 Add issued_non_pic_error_ field. Declare check_non_pic.
4671 (Target_x86_64::Scan::check_non_pic): New function.
4672 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4673 (Target_x86_64::Scan::global): Likewise.
4675 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4676 addend parameter. Change caller. Handle merge sections.
4677 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4678 Address to Addend. Don't add in the result of
4679 local_section_offset, pass down the addend and use the returned
4681 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4682 Update declarations of local_section_offset and symbol_value.
4683 * testsuite/two_file_test_1.cc (t18): New function.
4684 * testsuite/two_file_test_2.cc (f18): New function.
4685 * testsuite/two_file_test_main.cc (main): Call t18.
4686 * testsuite/two_file_test.h (t18, f18): Declare.
4688 * configure.ac: Don't test for objdump, c++filt, or readelf.
4689 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4691 (TEST_READELF): New variable.
4692 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4693 (check_PROGRAMS): Add two_file_strip_test.
4694 (two_file_strip_test): New target.
4695 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4696 (two_file_same_shared_strip_test_SOURCES): New variable.
4697 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4698 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4699 (two_file_same_shared_strip_test_LDADD): New variable.
4700 (two_file_shared_strip.so): New target.
4701 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4702 (ver_test_5.syms, ver_test_7.syms): Likewise.
4703 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4704 (strip_test_3.stdout): Use TEST_OBJDUMP.
4705 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4707 2008-04-04 Cary Coutant <ccoutant@google.com>
4709 * symtab.h (Symbol::is_weak_undefined): New function.
4710 (Symbol::is_strong_undefined): New function.
4711 (Symbol::is_absolute): New function.
4712 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4713 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4715 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4716 (weak_undef_test): New target.
4717 * testsuite/Makefile.in: Rebuild.
4718 * testsuite/weak_undef_file1.cc: New file.
4719 * testsuite/weak_undef_file2.cc: New file.
4720 * testsuite/weak_undef_test.cc: New file.
4722 2008-04-03 Craig Silverstein <csilvers@google.com>
4724 * compressed_output.h (class Output_compressed_section): Use
4726 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4728 (zlib_compressed_suffix): Removed.
4729 (Output_compressed_section::set_final_data_size): Use unsigned
4731 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4732 Fix linker invocation.
4733 (flagstest_o_specialfile_and_compress_debug_sections):
4735 * testsuite/Makefile.in: Regenerated.
4737 2008-04-02 David S. Miller <davem@davemloft.net>
4739 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4740 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4742 2008-04-02 Craig Silverstein <csilvers@google.com>
4746 2008-04-02 Ian Lance Taylor <iant@google.com>
4748 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4749 parameters. Update for new key type to views_. Change all
4751 (File_read::read): Adjust for byteshift in returned view.
4752 (File_read::add_view): New function, broken out of
4754 (File_read::make_view): New function, broken out of
4756 (File_read::find_or_make_view): Add offset and aligned
4757 parameters. Rewrite accordingly. Change all callers.
4758 (File_read::get_view): Add offset and aligned parameters. Adjust
4759 for byteshift in return value.
4760 (File_read::get_lasting_view): Likewise.
4761 * fileread.h (class File_read): Update declarations.
4762 (class File_read::View): Add byteshift_ field. Add byteshift to
4763 constructor. Add byteshift method.
4764 * archive.h (Archive::clear_uncached_views): New function.
4765 (Archive::get_view): Add aligned parameter. Change all callers.
4766 * object.h (Object::get_view): Add aligned parameter. Change all
4768 (Object::get_lasting_view): Likewise.
4770 * fileread.cc (File_read::release): Don't call clear_views if
4771 there are multiple objects.
4772 * fileread.h (File_read::clear_uncached_views): New function.
4773 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4776 2008-03-31 Cary Coutant <ccoutant@google.com>
4778 Add thin archive support.
4779 * archive.cc (Archive::armagt): New const.
4780 (Archive::setup): Remove task parameter and calls to unlock.
4781 (Archive::unlock_nested_archives): New function.
4782 (Archive::read_header): Add nested_off parameter. Change
4784 (Archive::interpret_header): Likewise.
4785 (Archive::include_all_members): Change to handle thin
4787 (Archive::include_member): Likewise.
4788 * archive.h (Archive::Archive): Add new parameters and
4790 (Archive::armagt): New const.
4791 (Archive::setup): Remove task parameter.
4792 (Archive::unlock_nested_archives): New function.
4793 (Archive::read_header): Add nested_off parameter.
4794 (Archive::interpret_header): Likewise.
4795 (Archive::Nested_archive_table): New typedef.
4796 (Archive::is_thin_archive_): New field.
4797 (Archive::nested_archives_): New field.
4798 (Archive::options_): New field.
4799 (Archive::dirpath_): New field.
4800 (Archive::task_): New field.
4801 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4802 for thin archives. Pass additional parameters to
4803 Archive::Archive. Unlock the archive file after calling
4806 2008-03-29 Ian Lance Taylor <iant@google.com>
4808 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4809 version symbol to be local.
4810 * testsuite/ver_test_4.sh: New file.
4811 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4812 (check_DATA): Add ver_test_4.syms.
4813 (ver_test_4.syms): New target.
4814 * testsuite/Makefile.in: Rebuild.
4817 (Output_section::Input_section_sort_entry::has_priority): New
4819 (Output_section::Input_section_sort_entry::match_file_name): New
4821 (Output_section::Input_section_sort_entry::match_section_name):
4823 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4825 (Output_section::Input_section_sort_entry::match_section_file):
4827 (Output_section::Input_section_sort_compare::operator()): Rewrite
4828 using new Input_section_sort_entry functions. Sort crtbegin and
4829 crtend first. Sort sections with no priority before sections with
4831 * testsuite/initpri1.c (d3): Check j != 4.
4832 (cd5): New constructor/destructor function.
4833 (main): Check j != 2.
4835 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4836 new symbol when resolving, don't call set_is_default.
4837 * testsuite/ver_test_7.cc: New file.
4838 * testsuite/ver_test_7.sh: New file.
4839 * testsuite/Makefile.am (ver_test_7.so): New target.
4840 (ver_test_7.o): New target.
4841 (check_SCRIPTS): Add ver_test_7.sh.
4842 (check_DATA): Add ver_test_7.syms.
4843 (ver_test_7.syms): New target.
4845 2008-03-28 Ian Lance Taylor <iant@google.com>
4847 * layout.cc (Layout::layout): If we see an input section with a
4848 name that needs sorting, set the must_sort flag for the output
4850 (Layout::make_output_section): If the name of the output section
4851 indicates that it might require sorting, set the may_sort flag.
4852 * output.h (Output_section::may_sort_attached_input_sections): New
4854 (Output_section::set_may_sort_attached_input_sections): New
4856 (Output_section::must_sort_attached_input_sections): New
4858 (Output_section::set_must_sort_attached_input_sections): New
4860 (class Output_section): Declare Input_section_sort_entry. Define
4861 Input_section_sort_compare. Declare
4862 sort_attached_input_sections. Add new fields:
4863 may_sort_attached_input_sections_,
4864 must_sort_attached_input_sections_,
4865 attached_input_sections_are_sorted_.
4866 * output.cc (Output_section::Output_section): Initialize new
4868 (Output_section::add_input_section): Add an entry to
4869 input_sections_ if may_sort or must_sort are true.
4870 (Output_section::set_final_data_size): Call
4871 sort_attached_input_sections if necessary.
4872 (Output_section::Input_section_sort_entry): Define new class.
4873 (Output_section::Input_section_sort_compare::operator()): New
4875 (Output_section::sort_attached_input_sections): New function.
4876 * configure.ac: Check whether the compiler supports constructor
4877 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4878 * testsuite/initpri1.c: New file.
4879 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4880 CONSTRUCTOR_PRIORITY.
4881 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4882 (initpri1_LDFLAGS): New variable.
4883 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4885 2008-03-27 Ian Lance Taylor <iant@google.com>
4887 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4888 * testsuite/common_test_1.c: New file.
4889 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4890 (common_test_1_SOURCES): New variable.
4891 (common_test_1_DEPENDENCIES): New variable.
4892 (common_test_1_LDFLAGS): New variable.
4894 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4895 and commons_ correctly when NAME/VERSION does not override
4897 * testsuite/ver_test_6.c: New file.
4898 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4899 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4900 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4902 2008-03-26 Ian Lance Taylor <iant@google.com>
4904 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4905 of an undefined symbol from a version script.
4906 * testsuite/Makefile.am (ver_test_5.so): New target.
4907 (ver_test_5.o): New target.
4908 (check_SCRIPTS): Add ver_test_5.sh.
4909 (check_DATA): Add ver_test_5.syms.
4910 (ver_test_5.syms): New target.
4911 * testsuite/ver_test_5.cc: New file.
4912 * testsuite/ver_test_5.script: New file.
4913 * testsuite/ver_test_5.sh: New file.
4914 * Makefile.in, testsuite/Makefile.in: Rebuild.
4917 Fix problems building gold with gcc 4.3.0.
4918 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4919 (gold_error_at_location, gold_warning_at_location): Use it.
4920 * configure.ac: Check whether we can compile and use a template
4921 function with a printf attribute.
4922 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4923 when jumping over bytes.
4924 * object.cc: Instantiate Object::read_section_data.
4925 * debug.h: Include <cstring>
4926 * dwarf_reader.cc: Include <algorithm>
4927 * main.cc: Include <cstring>.
4928 * options.cc: Include <cstring>.
4929 * output.cc: Include <cstring>.
4930 * script.cc: Include <cstring>.
4931 * script.h: Include <string>.
4932 * symtab.cc: Include <cstring> and <algorithm>.
4933 * target-select.cc: Include <cstring>.
4934 * version.cc: Include <string>.
4935 * testsuite/testmain.cc: Include <cstdlib>.
4936 * configure, config.in: Rebuild.
4938 2008-03-25 Ian Lance Taylor <iant@google.com>
4940 * options.cc: Include "../bfd/bfdver.h".
4941 (options::help): Print bug reporting address.
4943 * version.cc (print_version): Adjust output for current value of
4948 * options.cc (options::help): Print list of supported targets.
4949 * target-select.h: Include <vector>.
4950 (class Target_selector): Make machine_, size_, and is_big_endian_
4951 fields const. Add bfd_name_ and instantiated_target_ fields.
4952 (Target_selector::Target_selector): Add bfd_name parameter.
4953 (Target_selector::recognize): Make non-virtual, call
4955 (Target_selector::recognize_by_name): Make non-virtual, call
4956 do_recognize_by_name.
4957 (Target_selector::supported_names): New function.
4958 (Target_selector::bfd_name): New function.
4959 (Target_selector::do_instantiate_target): New pure virtual
4961 (Target_selector::do_recognize): New virtual function.
4962 (Target_selector::do_recognize_by_name): New virtual function.
4963 (Target_selector::instantiate_target): New private function.
4964 (supported_target_names): Declare.
4965 * target-select.cc (Target_selector::Target_selector): Update for
4966 new parameter and fields.
4967 (select_target_by_name): Check that the name matches before
4968 calling recognize_by_name.
4969 (supported_target_names): New function.
4970 * i386.cc (class Target_selector_i386): Update Target_selector
4971 constructor call. Remove recognize and recognize_by_name. Add
4972 do_instantiate_target.
4973 * x86_64.cc (class Target_selector_x86_64): Likewise.
4974 * testsuite/testfile.cc (class Target_selector_test): Update for
4975 changes to Target_selector.
4977 * README: Rewrite, with some notes on unsupported features.
4979 2008-03-24 Cary Coutant <ccoutant@google.com>
4981 * i386.cc (Target_i386::Got_type): New enum declaration.
4982 (Target_i386::Scan::local): Updated callers of Output_data_got
4984 (Target_i386::Scan::global): Likewise.
4985 (Target_i386::Relocate::relocate): Likewise.
4986 (Target_i386::Relocate::relocate_tls): Likewise.
4987 * object.h (Got_offset_list): New class.
4988 (Sized_relobj::local_has_got_offset): Added got_type parameter.
4989 (Sized_relobj::local_got_offset): Likewise.
4990 (Sized_relobj::set_local_got_offset): Likewise.
4991 (Sized_relobj::local_has_tls_got_offset): Removed.
4992 (Sized_relobj::local_tls_got_offset): Removed.
4993 (Sized_relobj::set_local_tls_got_offset): Removed.
4994 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4995 * output.cc (Output_data_got::add_global): Added got_type parameter.
4996 (Output_data_got::add_global_with_rel): Likewise.
4997 (Output_data_got::add_global_with_rela): Likewise.
4998 (Output_data_got::add_global_pair_with_rel): New function.
4999 (Output_data_got::add_global_pair_with_rela): New function.
5000 (Output_data_got::add_local): Added got_type parameter.
5001 (Output_data_got::add_local_with_rel): Likewise.
5002 (Output_data_got::add_local_with_rela): Likewise.
5003 (Output_data_got::add_local_pair_with_rel): New function.
5004 (Output_data_got::add_local_pair_with_rela): New function.
5005 (Output_data_got::add_global_tls): Removed.
5006 (Output_data_got::add_global_tls_with_rel): Removed.
5007 (Output_data_got::add_global_tls_with_rela): Removed.
5008 (Output_data_got::add_local_tls): Removed.
5009 (Output_data_got::add_local_tls_with_rel): Removed.
5010 (Output_data_got::add_local_tls_with_rela): Removed.
5011 * output.h (Output_data_got::add_global): Added got_type parameter.
5012 (Output_data_got::add_global_with_rel): Likewise.
5013 (Output_data_got::add_global_with_rela): Likewise.
5014 (Output_data_got::add_global_pair_with_rel): New function.
5015 (Output_data_got::add_global_pair_with_rela): New function.
5016 (Output_data_got::add_local): Added got_type parameter.
5017 (Output_data_got::add_local_with_rel): Likewise.
5018 (Output_data_got::add_local_with_rela): Likewise.
5019 (Output_data_got::add_local_pair_with_rel): New function.
5020 (Output_data_got::add_local_pair_with_rela): New function.
5021 (Output_data_got::add_global_tls): Removed.
5022 (Output_data_got::add_global_tls_with_rel): Removed.
5023 (Output_data_got::add_global_tls_with_rela): Removed.
5024 (Output_data_got::add_local_tls): Removed.
5025 (Output_data_got::add_local_tls_with_rel): Removed.
5026 (Output_data_got::add_local_tls_with_rela): Removed.
5027 * resolve.cc (Symbol::override_base_with_special): Removed
5028 reference to has_got_offset_ field.
5029 * symtab.cc (Symbol::init_fields): Replaced initialization
5030 of got_offset_ with got_offsets_. Removed initialization
5032 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5033 (Symbol::got_offset): Likewise.
5034 (Symbol::set_got_offset): Likewise.
5035 (Symbol::has_tls_got_offset): Removed.
5036 (Symbol::tls_got_offset): Removed.
5037 (Symbol::set_tls_got_offset): Removed.
5038 (Symbol::got_offset_): Removed.
5039 (Symbol::tls_mod_got_offset_): Removed.
5040 (Symbol::tls_pair_got_offset_): Removed.
5041 (Symbol::got_offsets_): New field.
5042 (Symbol::has_got_offset): Removed.
5043 (Symbol::has_tls_mod_got_offset): Removed.
5044 (Symbol::has_tls_pair_got_offset): Removed.
5045 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5046 (Target_x86_64::Scan::local): Updated callers of Output_data_got
5048 (Target_x86_64::Scan::global): Likewise.
5049 (Target_x86_64::Relocate::relocate): Likewise.
5050 (Target_x86_64::Relocate::relocate_tls): Likewise.
5052 2008-03-25 Ben Elliston <bje@au.ibm.com>
5054 * yyscript.y: Fix spelling error in comment.
5056 2008-03-24 Ian Lance Taylor <iant@google.com>
5058 * options.h (class General_options): Define build_id option.
5059 * layout.h (class Layout): Declare write_build_id, create_note,
5060 create_build_id. Add build_id_note_ member.
5061 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5062 "libiberty.h", "md5.h", "sha1.h".
5063 (Layout::Layout): Initialize eh_frame_data_,
5064 eh_frame_hdr_section_, and build_id_note_.
5065 (Layout::finalize): Call create_build_id.
5066 (Layout::create_note): New function, broken out of
5067 Layout::create_gold_note.
5068 (Layout::create_gold_note): Call create_note.
5069 (Layout::create_build_id): New function.
5070 (Layout::write_build_id): New function.
5071 (Close_task_runner::run): Call write_build_id.
5073 * x86_64.cc: Correct license to GPLv3.
5075 2008-03-23 Ian Lance Taylor <iant@google.com>
5077 * options.cc: Include "demangle.h".
5078 (parse_optional_string): New function.
5079 (parse_long_option): Handle takes_optional_argument.
5080 (parse_short_option): Update dash_z initializer. Handle
5081 takes_optional_argument.
5082 (General_options::General_options): Initialize do_demangle_.
5083 (General_options::finalize): Set do_demangle_. Handle demangling
5085 * options.h (parse_optional_string): Declare.
5086 (struct One_option): Add optional_arg field. Update constructor.
5087 Update call constructor calls. Add takes_optional_argument
5089 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
5090 (DEFINE_optional_string): Define.
5091 (General_options::demangle): Change from DEFINE_bool to
5092 DEFINE_optional_string.
5093 (General_options::no_demangle): New function.
5094 (General_options::do_demangle): New function.
5095 (General_options::set_do_demangle): New function.
5096 (General_options::execstack_status_): Move definition to end of
5098 (General_options::static_): Likewise.
5099 (General_options::do_demangle_): New field.
5100 * object.cc (big_endian>::get_symbol_location_info): Call
5101 Options::do_demangle, not Options::demangle.
5102 * symtab.cc (demangle): Likewise.
5104 2008-03-22 Ian Lance Taylor <iant@google.com>
5106 * gold.h: Include <cstddef> and <sys/types.h>
5107 * options.h: Include <cstring>.
5109 2008-03-21 Ian Lance Taylor <iant@google.com>
5111 * Added source code to GNU binutils.