1 2009-10-25 Doug Kwan <dougkwan@google.com>
3 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4 from private to protected to allow access by child class.
5 (Sized_relobj::do_relocate_sections): New method declaration.
6 (Sized_relobj::relocate_sections): Virtualize.
7 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8 Sized_relobj::relocate_sections. Instantiate template explicitly
9 for different target sizes and endianity.
11 2009-10-24 Doug Kwan <dougkwan@google.com>
13 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
14 (Arm_input_section::as_arm_input_section): New method.
15 (Arm_output_section): New class definition.
16 (Arm_output_section::create_stub_group,
17 Arm_output_section::group_sections): New method definitions.
19 2009-10-22 Doug Kwan <dougkwan@google.com>
21 * arm.cc (Arm_input_section): New class definition.
22 (Arm_input_section::init, Arm_input_section:do_write,
23 Arm_input_section::set_final_data_size,
24 Arm_input_section::do_reset_address_and_file_offset): New method
27 2009-10-21 Doug Kwan <dougkwan@google.com>
29 * arm.cc (Stub_table, Arm_input_section): New forward class
31 (Stub_table): New class defintion.
32 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
33 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
34 New method definition.
36 2009-10-21 Doug Kwan <dougkwan@google.com>
38 * arm.cc: Update copyright comments.
39 (Target_arm): New forward class template declaration.
40 (Arm_address): New type.
41 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
42 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
43 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
45 (Insn_template): Same.
46 (DEF_STUBS): New macro.
47 (Stub_type): New enum type.
48 (Stub_template): New class definition.
52 (Target_arm::Target_arm): Initialize may_use_blx_ and
53 should_force_pic_veneer_.
54 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
55 Target_arm::should_force_pic_veneer,
56 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
57 Target_arm::using_thumb_only, Target_arm:;default_target): New
59 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
60 New data member declarations.
61 (Insn_template::size, Insn_template::alignment): New method defintions.
62 (Stub_template::Stub_template): New method definition.
63 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
64 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
65 (Stub_factory::Stub_factory): New method definition.
66 * gold.h (string_hash): New template.
67 * output.h (Input_section_specifier::hash_value): Use
69 (Input_section_specifier::string_hash): Remove.
70 * stringpool.cc (Stringpool_template::string_hash): Use
73 2009-10-20 Doug Kwan <dougkwan@google.com>
75 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
76 symbols of relaxed input sections.
77 * output.h (Output_section::find_relaxed_input_section): Make
80 2009-10-16 Doug Kwan <dougkwan@google.com>
82 * dynobj.cc (Versions::Versions): Initialize version_script_.
83 Only insert base version symbol definition for a shared object
84 if version script defines any version versions.
85 (Versions::define_base_version): New method definition.
86 (Versions::add_def): Check that base version is not needed.
87 (Versions::add_need): Define base version lazily.
88 * dynobj.h (Versions::define_base_version): New method declaration.
89 (Versions::needs_base_version_): New data member declaration.
90 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
91 (check_DATA): Add no_version_test.stdout.
92 (libno_version_test.so, no_version_test.o no_version_test.stdout):
94 * testsuite/Makefile.in: Regenerate.
95 * testsuite/no_version_test.c: New file.
96 * testsuite/no_version_test.sh: Ditto.
98 2009-10-16 Doug Kwan <dougkwan@google.com>
100 * expression.cc (class Segment_start_expression): New class definition.
101 (Segment_start_expression::value): New method definition.
102 (script_exp_function_segment_start): Return a new
103 Segment_start_expression.
104 * gold/script-c.h (script_saw_segment_start_expression): New function
106 * script-sections.cc (Script_sections::Script_sections): Initialize
107 SAW_SEGMENT_START_EXPRESSION_ to false.
108 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
109 and -Tbbs options to specify section addresses if given in
110 command line and no SEGMENT_START expression is seen in a script.
111 * script-sections.h (Script_sections::saw_segment_start_expression,
112 Script_sections::set_saw_segment_start_expression): New method
114 (Script_sections::saw_segment_start_expression_): New data member
116 * script.cc (script_saw_segment_start_expression): New function.
117 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
118 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
119 script_test_7.sh and script_test_8.sh.
120 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
121 script_test_8.stdout.
122 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
123 (script_test_6, script_test_6.stdout, script_test_7,
124 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
125 * Makefile.in: Regenerate.
126 * testsuite/script_test_6.sh: New file.
127 * testsuite/script_test_6.t: Same.
128 * testsuite/script_test_7.sh: Same.
129 * testsuite/script_test_7.t: Same.
130 * testsuite/script_test_8.sh: Same.
132 2009-10-16 Doug Kwan <dougkwan@google.com>
134 * output.cc (Output_segment::set_section_list_address): Cast
135 expressions to unsigned long long type to avoid format warnings.
137 2009-10-15 Ian Lance Taylor <iant@google.com>
139 * script.cc (Script_options::add_symbol_assignment): Always add a
140 dot assginment to script_sections_.
141 * script-sections.cc (Script_sections::add_dot_assignment):
142 Initialize if necessary.
144 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
145 program headers with no load segment if there is a linker script.
147 * layout.cc (Layout::set_segment_offsets): Align the file offset
148 to the segment aligment for -N or -n with no load segment.
149 * output.cc (Output_segment::add_output_section): Don't crash if
150 the first section is a TLS section.
151 (Output_segment::set_section_list_addresses): Print an error
152 message if the address moves backward in a linker script.
154 (Output_section_element_input::set_section_addresses): Don't
155 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
156 (Orphan_output_section::set_section_addresses): Likewise.
158 2009-10-15 Doug Kwan <dougkwan@google.com>
160 * layout.cc (Layout::finish_dynamic_section): Generate tags
161 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
162 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
163 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
165 2009-10-14 Ian Lance Taylor <iant@google.com>
167 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
169 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
170 data_shdr fields of relinfo.
171 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
172 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
173 R_386_TLS_LDO_32, adjust based on section flags.
174 (Target_i386::Relocate::fix_up_ldo): Remove.
176 2009-10-13 Ian Lance Taylor <iant@google.com>
178 Add support for -pie.
179 * options.h (class General_options): Add -pie and
181 (General_options::output_is_position_independent): Test -pie.
182 (General_options::output_is_executable): Return true if not shared
184 (General_options::output_is_pie): Remove.
185 * options.cc (General_options::finalize): Reject incompatible uses
187 * gold.cc (queue_middle_tasks): A -pie link is not static.
188 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
189 * symtab.cc (Symbol::final_value_is_known): Return false if
190 output_is_position_independent.
191 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
192 output_is_position_independent.
193 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
194 output_is_position_independent.
195 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
196 output_is_position_independent.
197 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
199 (basic_pie_test.o, basic_pie_test): New targets.
200 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
201 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
202 (two_file_pie_test): New target.
203 * testsuite/Makefile.in: Rebuild.
204 * README: Remove note saying that -pie is not supported.
206 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
208 * options.h (class General_options): Add -init and -fini.
209 * layout.cc (Layout::finish_dynamic_section): Emit
210 given init and fini functions.
212 2009-10-13 Sriraman Tallam <tmsriram@google.com>
214 * gc.h (gc_process_relocs): Check if icf is enabled using new
216 * gold.cc (queue_initial_tasks): Likewise.
217 (queue_middle_tasks): Likewise.
218 * object.cc (do_layout): Likewise.
219 * symtab.cc (is_section_folded): Likewise.
220 * main.cc (main): Likewise.
221 * reloc.cc (Read_relocs::run): Likewise.
222 (Sized_relobj::do_scan_relocs): Likewise.
223 * icf.cc (is_function_ctor_or_dtor): New function.
224 (Icf::find_identical_sections): Check if function is ctor or dtor when
226 * options.h (General_options::icf): Change option to be an enum.
227 (Icf_status): New enum.
228 (icf_enabled): New method.
229 (icf_safe_folding): New method.
230 (set_icf_status): New method.
231 (icf_status_): New variable.
232 * (options.cc) (General_options::finalize): Set icf_status_.
233 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
234 icf_test and icf_keep_unique_test to use the --icf enum flag.
235 * testsuite/icf_safe_test.sh: New file.
236 * testsuite/icf_safe_test.cc: New file.
238 2009-10-12 Sriraman Tallam <tmsriram@google.com>
240 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
241 includes to gc.h and icf.h.
242 * arm.cc: Include gc.h.
245 * powerpc.cc: Likewise.
246 * sparc.cc: Likewise.
247 * x86_64.cc: Likewise.
248 * gc.h: Include icf.h.
250 2009-10-11 Ian Lance Taylor <iant@google.com>
252 * plugin.cc: Include "gold.h" before other header files.
254 2009-10-10 Chris Demetriou <cgd@google.com>
256 * options.h (Input_file_argument::Input_file_type): New enum.
257 (Input_file_argument::is_lib_): Replace with...
258 (Input_file_argument::type_): New member.
259 (Input_file_argument::Input_file_argument): Take Input_file_type
260 'type' rather than boolean 'is_lib' as second argument.
261 (Input_file_argument::is_lib): Use type_.
262 (Input_file_argument::is_searched_file): New function.
263 (Input_file_argument::may_need_search): Handle is_searched_file.
264 * options.cc (General_options::parse_library): Support -l:filename.
265 (General_options::parse_just_symbols): Update for Input_file_argument
267 (Command_line::process): Likewise.
268 * archive.cc (Archive::get_file_and_offset): Likewise.
269 * plugin.cc (Plugin_manager::release_input_file): Likewise.
270 * script.cc (read_script_file, script_add_file): Likewise.
271 * fileread.cc (Input_file::Input_file): Likewise.
272 (Input_file::will_search_for): Handle is_searched_file.
273 (Input_file::open): Likewise.
274 * readsyms.cc (Read_symbols::get_name): Likewise.
275 * testsuite/Makefile.am (searched_file_test): New test.
276 * testsuite/Makefile.in: Regenerate.
277 * testsuite/searched_file_test.cc: New file.
278 * testsuite/searched_file_test_lib.cc: New file.
280 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
281 Ian Lance Taylor <iant@google.com>
283 * descriptor.cc: Include <cstdio> and "binary-io.h".
284 (Descriptors::open): Open the files in binary mode always.
285 * script.cc (Lex::get_token): Treat \r as whitespace.
287 2009-10-09 Ian Lance Taylor <iant@google.com>
289 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
291 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
292 Ian Lance Taylor <iant@google.com>
294 * configure.ac: Check for readv function also.
295 * fileread.cc (readv): Define if not HAVE_READV.
296 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
298 * config.in: Regenerate.
299 * configure: Regenerate.
301 2009-10-09 Doug Kwan <dougkwan@google.com>
303 * layout.cc (Layout::make_output_section): Call target hook to make
304 ordinary output section.
305 (Layout::finalize): Adjust parameter list of call the
307 * layout.h (class Layout::section_list): New method.
308 * merge.h (Output_merge_base::entsize): Change visibility to public.
309 (Output_merge_base::is_string, Output_merge_base::do_is_string):
311 (Output_merge_string::do_is_string): New method.
312 * object.cc (Sized_relobj::do_setup): renamed from
313 Sized_relobj::set_up.
314 * object.h (Sized_relobj::adjust_shndx,
315 Sized_relobj::initializ_input_to_output_maps,
316 Sized_relobj::free_input_to_output_maps): Change visibilities to
318 (Sized_relobj::setup): Virtualize.
319 (Sized_relobj::do_setup): New method declaration.
320 (Sized_relobj::invalidate_section_offset,
321 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
322 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
323 * options.cc (parse_int): New function.
324 * options.h (parse_int): New declaration.
325 (DEFINE_int): New macro.
326 (stub_group_size): New option.
327 * output.cc (Output_section::Output_section): Initialize memebers
328 merge_section_map_, merge_section_by_properties_map_,
329 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
330 (Output_section::add_input_section): Handled deferred code-fill
331 generation and remove an old comment.
332 (Output_section::add_relaxed_input_section): New method definition.
333 (Output_section::add_merge_input_section): Use merge section by
334 properties map to speed to search. Update merge section maps
336 (Output_section::build_relaxation_map): New method definition.
337 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
339 (Output_section::relax_input_section): Renamed to
340 Output_section::convert_input_sections_to_relaxed_sections and change
341 interface to take a vector of pointers to relaxed sections.
342 (Output_section::find_merge_section,
343 Output_section::find_relaxed_input_section): New method definitions.
344 (Output_section::is_input_address_mapped,
345 Output_section::output_offset, Output_section::output_address):
346 Use output section data maps to speed up searching.
347 (Output_section::find_starting_output_address): Add comments.
348 (Output_section::do_write,
349 Output_section::write_to_postprocessing_buffer): Do code-fill
350 generation as appropriate.
351 (Output_section::get_input_sections): Invalidate relaxed input section
353 (Output_section::restore_states): Adjust type of checkpoint .
354 Invalidate relaxed input section map.
355 * output.h (Output_merge_base): New class declaration.
356 (Input_section_specifier): New class defintion.
357 (class Output_relaxed_input_section) Change base class to
358 Output_section_data_build.
359 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
360 base class initializer.
361 (Output_section::add_relaxed_input_section): New method declaration.
362 (Output_section::Input_section): Change visibility to protected.
363 (Output_section::Input_section::relobj,
364 Output_section::Input_section::shndx): Handle relaxed input sections.
365 Output_section::input_sections) Change visibility to protected. Also
366 define overload to return a non-const pointer.
367 (Output_section::Merge_section_properties): New class defintion.
368 (Output_section::Merge_section_by_properties_map,
369 Output_section::Output_section_data_by_input_section_map,
370 Output_section::Relaxation_map): New types.
371 (Output_section::relax_input_section): Rename method to
372 Output_section::convert_input_sections_to_relaxed_sections and change
373 interface to take a vector of relaxed section pointers.
374 (Output_section::find_merge_section,
375 Output_section::find_relaxed_input_section,
376 Output_section::build_relaxation_map,
377 Output_section::convert_input_sections_in_list_to_relaxed_sections):
378 New method declarations.
379 (Output_section::merge_section_map_
380 Output_section::merge_section_by_properties_map_,
381 Output_section::relaxed_input_section_map_,
382 Output_section::is_relaxed_input_section_map_valid_,
383 Output_section::generate_code_fills_at_write_): New data members.
385 (Output_section_element_input::set_section_addresses): Call
386 current_data_size and addralign methods of relaxed input sections.
387 (Orphan_output_section::set_section_addresses): Call current_data_size
388 and addralign methods of relaxed input sections.
389 * symtab.cc (Symbol_table::compute_final_value): Extract template
390 from the body of Symbol_table::sized_finalize_symbol.
391 (Symbol_table::sized_finalized_symbol): Call
392 Symbol_table::compute_final_value.
393 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
394 (Symbol_table::compute_final_value): New templated method declaration.
395 * target.cc (Target::do_make_output_section): New method defintion.
396 * target.h (Target::make_output_section): New method declaration.
397 (Target::relax): Add more parameters for input objects, symbol table
398 and layout. Adjust call to do_relax.
399 (Target::do_make_output_section): New method declaration.
400 (Target::do_relax): Add parameters for input objects, symbol table
403 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
405 * pread.c: Include stdio.h.
407 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
409 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
412 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
414 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
415 Change read_shndx type to unsigned int.
416 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
418 (Sized_dwarf_line_info::read_line_mappings): Likewise.
419 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
420 Change read_shndx type to unsigned int.
421 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
423 (Sized_dwarf_line_info::read_line_mappings): Likewise.
424 * layout.cc (Layout::create_symtab_sections): Cast the result of
425 local_symcount * symsize to off_t in the gold_assert.
427 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
429 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
430 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
432 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
433 (Arm_relocate_functions::thm_abs5): New function.
434 (Arm_relocate_functions::abs12): New function.
435 (Arm_relocate_functions::abs16): New function.
436 (Arm_relocate_functions::base_abs): New function.
437 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
438 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
439 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
441 (Scan::global): Likewise.
442 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
443 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
444 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
445 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
448 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
450 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
451 (Arm_relocate_functions::movt_prel): New function.
452 (Arm_relocate_functions::thm_movw_prel_nc): New function.
453 (Arm_relocate_functions::thm_movt_prel): New function.
454 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
455 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
456 (Scan::global, Relocate::relocate): Likewise.
457 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
459 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
461 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
463 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
465 (class Incremental_inputs_header): New class.
466 (Incremental_inputs_header_writer): Edit comment.
467 (Incremental_inputs_entry): New class.
468 (Incremental_inputs_entry_writer): Edit comment.
469 (Sized_incremental_binary::do_find_incremental_inputs_section):
470 Add *strtab_shndx parameter, fill it.
471 (Sized_incremental_binary::do_check_inputs): New method.
472 (Incremental_checker::can_incrementally_link_output_file): Use
473 Sized_incremental_binary::check_inputs.
474 (Incremental_inputs::report_command_line): Save command line in
477 (Incremental_binary::find_incremental_inputs_section): New
479 (Incremental_binary::do_find_incremental_inputs_section): Add
480 strtab_shndx parameter.
481 (Incremental_binary::do_check_inputs): New pure virtual method.
482 (Sized_incremental_binary::do_check_inputs): Declare.
483 (Incremental_checker::Incremental_checker): Add incremental_inputs
484 parameter, use it to initialize incremental_inputs_.
485 (Incremental_checker::incremental_inputs_): New field.
486 (Incremental_checker::command_line): New method.
487 (Incremental_checker::inputs): New method.
488 (Incremental_checker::command_line_): New field.
490 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
492 * incremental.cc: Include <cstdarg> and "target-select.h".
493 (vexplain_no_incremental): New function.
494 (explain_no_incremental): New function.
495 (Incremental_binary::error): New method.
496 (Sized_incremental_binary::do_find_incremental_inputs_section): New
498 (make_sized_incremental_binary): New function.
499 (open_incremental_binary): New function.
500 (can_incrementally_link_file): Add checks if output is ELF and has
502 * incremental.h: Include "elfcpp_file.h" and "output.h".
503 (Incremental_binary): New class.
504 (Sized_incremental_binary): New class.
505 (open_incremental_binary): Declare.
506 * object.cc (is_elf_object): Use
507 elfcpp::Elf_recognizer::is_elf_file.
508 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
509 * output.h (Output_file::filesize): New method.
511 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
513 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
515 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
516 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
518 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
520 (Arm_relocate_functions::movw_abs_nc): New function.
521 (Arm_relocate_functions::movt_abs): New function.
522 (Arm_relocate_functions::thm_movw_abs_nc): New function.
523 (Arm_relocate_functions::thm_movt_abs): New function.
524 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
525 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
526 (Scan::global): Likewise.
527 (Relocate::relocate): Likewise.
528 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
530 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
532 * arm.cc (Arm_relocate_functions::got_prel) New function.
533 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
534 (Relocate::relocate): Likewise.
535 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
537 2009-10-06 Ian Lance Taylor <iant@google.com>
539 * options.h (class General_options): Define
540 split_stack_adjust_size parameter.
541 * object.h (class Object): Add uses_split_stack_ and
542 has_no_split_stack_ fields. Add uses_split_stack and
543 has_no_split_stack accessor functions. Declare
544 handle_split_stack_section.
545 (class Reloc_symbol_changes): Define.
546 (class Sized_relobj): Define Function_offsets. Declare
547 split_stack_adjust, split_stack_adjust_reltype, and
549 * object.cc (Object::handle_split_stack_section): New function.
550 (Sized_relobj::do_layout): Call handle_split_stack_section.
551 * dynobj.cc (Sized_dynobj::do_layout): Call
552 handle_split_stack_section.
553 * reloc.cc (Sized_relobj::relocate_sections): Call
554 split_stack_adjust for executable sections in split_stack
555 objects. Pass reloc_map to relocate_section.
556 (Sized_relobj::split_stack_adjust): New function.
557 (Sized_relobj::split_stack_adjust_reltype): New function.
558 (Sized_relobj::find_functions): New function.
559 * target-reloc.h: Include "object.h".
560 (relocate_section): Add reloc_symbol_changes parameter. Change
562 * target.h (class Target): Add calls_non_split method. Declare
563 do_calls_non_split virtual method. Declare match_view and
565 * target.cc: Include "elfcpp.h".
566 (Target::do_calls_non_split): New function.
567 (Target::match_view): New function.
568 (Target::set_view_to_nop): New function.
569 * gold.cc (queue_middle_tasks): Give an error if mixing
570 split-stack and non-split-stack objects with -r.
571 * i386.cc (Target_i386::relocate_section): Add
572 reloc_symbol_changes parameter.
573 (Target_i386::do_calls_non_split): New function.
574 * x86_64.cc (Target_x86_64::relocate_section): Add
575 reloc_symbol_changes parameter.
576 (Target_x86_64::do_calls_non_split): New function.
577 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
579 * powerpc.cc (Target_powerpc::relocate_section): Add
580 reloc_symbol_changes parameter.
581 * sparc.cc (Target_sparc::relocate_section): Add
582 reloc_symbol_changes parameter.
583 * configure.ac: Call AM_CONDITIONAL for the default target.
584 * configure: Rebuild.
585 * testsuite/Makefile.am (TEST_AS): New variable.
586 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
587 (check_DATA): Add split_i386 and split_x86_64 files.
588 (SPLIT_DEFSYMS): Define.
589 (split_i386_[1234n].o): New targets.
590 (split_i386_[124]): New targets.
591 (split_i386_[1234r].stdout): New targets.
592 (split_x86_64_[1234n].o): New targets.
593 (split_x86_64_[124]): New targets.
594 (split_x86_64_[1234r].stdout): New targets.
595 (MOSTLYCLEANFILES): Add new executables.
596 * testsuite/split_i386.sh: New file.
597 * testsuite/split_x86_64.sh: New file.
598 * testsuite/split_i386_1.s: New file.
599 * testsuite/split_i386_2.s: New file.
600 * testsuite/split_i386_3.s: New file.
601 * testsuite/split_i386_4.s: New file.
602 * testsuite/split_i386_n.s: New file.
603 * testsuite/split_x86_64_1.s: New file.
604 * testsuite/split_x86_64_2.s: New file.
605 * testsuite/split_x86_64_3.s: New file.
606 * testsuite/split_x86_64_4.s: New file.
607 * testsuite/split_x86_64_n.s: New file.
608 * testsuite/testfile.cc (Target_test): Update relocation_section
610 * testsuite/Makefile.in: Rebuild.
612 2009-10-06 Ian Lance Taylor <iant@google.com>
614 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
615 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
616 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
617 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
618 the address on ldo_addrs_.
619 (Target_i386::Relocate::fix_up_ldo): New function.
621 2009-10-06 Rafael Espindola <espindola@google.com>
623 * plugin.cc (add_input_library): New.
624 (Plugin::load): Add add_input_library to tv.
625 (Plugin_manager::add_input_file): Add the is_lib argument.
626 (add_input_file): Update call to Plugin_manager::add_input_file.
627 (add_input_library): New.
628 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
630 2009-09-30 Doug Kwan <dougkwan@google.com>
632 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
633 symbol and call Symbol::may_need_copy_reloc to determine if
634 a copy reloc is needed.
635 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
636 nocopyreloc is given in command line.
637 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
638 given in command line.
639 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
640 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
641 of the removed Target_i386::may_need_copy_reloc.
642 * options.h (copyreloc): New option with default value false.
643 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
644 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
645 instead of the removed Target_powerpc::may_need_copy_reloc.
646 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
647 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
648 instead of the removed Target_sparc::may_need_copy_reloc.
649 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
650 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
651 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
652 instead of the removed Target_x86_64::may_need_copy_reloc.
654 2009-09-30 Ian Lance Taylor <iant@google.com>
656 * object.h (class Object): Remove target_ field, and target,
657 sized_target, and set_target methods.
658 (Object::sized_target): Remove.
659 (class Sized_relobj): Update declarations. Remove sized_target.
660 * object.cc (Sized_relobj::setup): Remove target parameter.
662 (Input_objects::add_object): Don't do anything with the target.
663 (make_elf_sized_object): Add punconfigured parameter. Change all
664 callers. Set or test parameter target.
665 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
667 * parameters.cc (Parameters::set_target): Change parameter type to
669 (Parameters::default_target): Remove.
670 (set_parameters_target): Change parameter type to be non-const.
671 (parameters_force_valid_target): New function.
672 (parameters_clear_target): New function.
673 * parameters.h (class Parameters): Update declarations. Remove
674 default_target method. Add sized_target and clear_target
675 methods. Change target_ to be non-const.
676 (set_parameters_target): Update declaration.
677 (parameters_force_valid_target): Declare.
678 (parameters_clear_target): Declare.
679 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
680 as NULL if we aren't searching.
681 (Add_symbols::run): Don't check for compatible target.
682 * fileread.cc (Input_file::open_binary): Call
683 parameters_force_valid_target.
684 * gold.cc (queue_middle_tasks): Likewise.
685 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
686 set_target on object.
687 * dynobj.h (class Sized_dynobj): Update declarations.
688 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
689 make_elf_object returns NULL.
690 (Archive::include_member): Don't check whether object target is
692 * output.cc (Output_section::add_input_section): Get target from
694 (Output_section::relax_input_section): Likewise.
695 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
697 (Sized_relobj::do_scan_relocs): Likewise.
698 (Sized_relobj::relocate_sections): Likewise.
699 * resolve.cc (Symbol_table::resolve): Likewise.
700 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
701 parameter. Change all callers.
702 (Symbol_table::add_from_object): Get target from parameters.
703 (Symbol_table::add_from_relobj): Don't check object target.
704 (Symbol_table::add_from_dynobj): Likewise.
705 (Symbol_table::define_special_symbol): Get target from
707 * symtab.h (class Symbol_table): Update declaration.
708 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
709 parameter. Change all callers. Clear parameter target.
710 (Binary_test): Test target here.
711 * testsuite/object_unittest.cc (gold_testsuite): Remove
712 target_test_pointer parameter. Change all callers.
713 (Object_test): Test target here.
715 2009-09-26 Ian Lance Taylor <iant@google.com>
717 * testsuite/initpri1.c: Don't try to use constructor priorities if
718 compiling with gcc before 4.3.
720 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
722 * testsuite/retain_symbols_file_test.sh (check_present): Change
723 output file name to retain_symbols_file_test.stdout.
724 (check_absent): Likewise.
726 2009-09-18 Craig Silverstein <csilvers@google.com>
728 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
729 * options.cc: Include <cerrno> and <fstream>.
730 (General_options::finalize): Parse -retain-symbols-file tag.
731 * options.h: New flag.
732 (General_options): New method should_retain_symbol, new
733 variable symbols_to_retain.
734 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
735 should_retain_symbol map.
736 * testsuite/Makefile.am (retain_symbols_file_test): New test.
737 * testsuite/Makefile.in: Regenerate.
738 * testsuite/retain_symbols_file_test.sh: New file.
740 2009-09-18 Nick Clifton <nickc@redhat.com>
742 * po/es.po: Updated Spanish translation.
744 2009-09-17 Doug Kwan <dougkwan@google.com>
746 * debug.h (DEBUG_RELAXATION): New constant.
747 (DEBUG_ALL): Add DEBUG_RELAXATION.
748 (debug_string_to_enum): Add relaxation debug option.
750 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
751 Layout::Relaxation_debug_check::read_sections,
752 Layout::Relaxation_debug_check::read_sections): New method definitions.
753 (Layout::Layout): Initialize data members
754 record_output_section_data_from_scrips_,
755 script_output_section_data_list_ and relaxation_debug_check_.
756 (Layout::save_segments, Layout::restore_segments,
757 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
758 Layout::relaxation_loop_body): New method definitions.
759 (Layout::finalize): Support relaxation. Move section layout code to
760 Layout::relaxation_loop_body.
761 (Layout::set_asection_address_from_script): Move code for orphan
762 section placement out.
763 (Layout::place_orphan_sections_in_script): New method definition.
764 * layout.h (Output_segment_headers, Output_file_header):
765 New forward class declarations.
766 (Layout::~Layout): Define.
767 (Layout::new_output_section_data_from_script): New method definition.
768 (Layout::place_orphan_sections_in_script): New method declaration.
769 (Layout::Segment_states): New type declaration.
770 (Layout::save_segments, Layout::restore_segments,
771 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
772 Layout::relaxation_loop_body): New method declarations.
773 (Layout::Output_section_data_list): New type declaration.
774 (Layout::Relaxation_debug_check): New class definition.
775 (Layout::record_output_section_data_from_script_,
776 Layout::script_output_section_data_list_, Layout::segment_states_,
777 Layout::relaxation_debug_check_): New data members.
778 * output.cc: (Output_section_headers::do_size): New method definition.
779 (Output_section_headers::Output_section_headers): Move size
780 computation to Output_section_headers::do_size.
781 (Output_segment_headers::do_size): New method definition.
782 (Output_file_header::Output_file_header): Move size computation to
783 Output_file_header::do_size and call it.
784 (Output_file_header::do_size): New method definition.
785 (Output_data_group::Output_data_group): Adjust call to
787 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
788 (Output_symtab_xindex::do_write): Add array bound check.
789 (Output_section::Input_section::print_to_mapfile): Handle
790 RELAXED_INPUT_SECTION_CODE.
791 (Output_section::Output_section): Initialize data member checkpoint_.
792 (Output_section::~Output_section): Delete checkpoint object pointed
794 (Output_section::add_input_section): Always add an Input_section if
796 (Output_section::add_merge_input_section): Add assert.
797 (Output_section::relax_input_section): New method definition.
798 (Output_section::set_final_data_size): Set load address to zero for
799 an unallocated section.
800 (Output_section::do_address_and_file_offset_have_reset_values):
801 New method definition.
802 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
803 Handle relaxed input section.
804 (Output_section::sort_attached_input_sections): Checkpoint input
806 (Output_section::get_input_sections): Change type of input_sections to
807 list of Simple_input_section pointers. Checkpoint input section list
808 lazily. Also handle relaxed input sections.
809 (Output_section::add_input_section_for_script): Take a reference to
810 a Simple_input_section object instead of Relobj pointer and section
811 index as parameter. Handle relaxed input sections.
812 (Output_section::save_states, Output_section::restore_states): New
814 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
815 (Output_data::is_data_size_fixed): New method definition.
816 (Output_data::reset_addresss_and_file_offset): Do not reset data size
818 (Output_data::address_and_file_offset_have_reset_values): New method
820 (Output_data::do_address_and_file_offset_have_reset_values): New method
822 (Output_data::set_data_size): Check that data size is not fixed.
823 (Output_data::fix_data_size): New method definition.
824 (Output_data::is_data_size_fixed_): New data member.
825 (Output_section_headers::set_final_data_size): New method definition.
826 (Output_section_headers::do_size): New method declaration.
827 (Output_segment_headers::set_final_data_size): New method definition.
828 (Output_segment_headers::do_size): New method declaration.
829 (Output_file_header::set_final_data_size)::New method definition.
830 (Output_file_header::do_size)::New method declaration.
831 (Output_section_data::Output_section_data): Add new parameter
832 is_data_size_fixed and use it to fix data size.
833 (Output_data_const::Output_data_const): Adjust call to base class
834 constructor and fix data size.
835 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
836 base class constructor and fix data size.
837 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
838 base class constructor and fix data size.
839 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
840 class constructor and fix data size.
841 (Output_data_group::set_final_data_size): New method definition.
842 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
843 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
844 class constructor and fix data size.
845 (Output_relaxed_input_section): New class definition.
846 (Output_section::Simple_input_section): New class definition.
847 (Output_section::get_input_sections): Adjust parameter list.
848 (Output_section::add_input_section_for_script): Same.
849 (Output_section::save_states, Output_section::restore_states,
850 Output_section::do_address_and_file_offset_have_reset_values,
851 (Output_section::Input_section::Input_section): Handle
852 RELAXED_INPUT_SECTION_CODE. Add new overload for
853 Output_relaxed_input_section.
854 (Output_section::Input_section::is_input_section,
855 Output_section::Input_section::set_output_section): Handle relaxed
857 (Output_section::Input_section::is_relaxed_input_section,
858 Output_section::Input_section::output_section_data,
859 Output_section::Input_section::relaxed_input_section): New method
861 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
863 (Output_section::Input_section::u1_): Update comments.
864 (Output_section::Input_section::u2_): Add new union member poris.
865 (Output_section::Checkpoint_output_section): New classs definition.
866 (Output_section::relax_input_section): New method declaration.
867 (Output_section::checkpoint_): New data member.
868 (Output_segment): Update comments.
869 (Output_segment::Output_segment): Un-privatize copy constructor.
870 (Output_segment::operator=): Un-privatize.
871 * script-sections.cc (Output_section_element::Input_section_list):
872 Change element type to Output_section::Simple_input_section.
873 (Output_section_element_dot_assignment::set_section_addresses):
874 Register output section data for relaxation clean up.
875 (Output_data_exression::Output_data_expression): Adjust call to base
876 constructor to fix data size.
877 (Output_section_element_data::set_section_addresses): Register
878 Output_data_expression object for relaxation clean up.
879 (struct Input_section_info): Replace Relobj pointer and section index
880 pair with Output_section::Simple_input_section and Convert struct to a
882 (Input_section_sorter::operator()): Adjust access to
883 Input_section_info data member to use accessors.
884 (Output_section_element_input::set_section_addresses): Use layout
885 parameter. Adjust code to use Output_section::Simple_input_section
886 and Input_secction_info classes. Register filler for relaxation
888 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
889 and section index pair with Output_section::Simple_input_section
890 class. Adjust code accordingly.
891 (Phdrs_element::release_segment): New method definition.
892 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
894 (Script_sections::release_segments): New method definition.
895 * gold/script-sections.h (Script_sections::release_segments): New
897 * gold/target.h (Target::may_relax, Target::relax,
898 Target::do_may_relax, Target::do_relax): New method definitions.
900 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
902 * arm.cc (has_signed_unsigned_overflow): New function.
903 (Arm_relocate_functions::abs8): New function.
904 (Target_arm::Scan::local): Handle R_ARM_ABS8.
905 (Target_arm::Scan::global): Likewise.
906 (Target_arm::relocate::relocate): Likewise.
907 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
910 2009-09-16 Cary Coutant <ccoutant@google.com>
912 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
913 * testsuite/Makefile.in: Regenerate.
915 2009-09-11 Nick Clifton <nickc@redhat.com>
917 * po/gold.pot: Updated by the Translation project.
919 2009-09-08 Cary Coutant <ccoutant@google.com>
921 * output.cc (Output_file::open): Add execute permission to empty file.
922 * testsuite/Makefile.am (permission_test): New test.
923 * testsuite/Makefile.in: Regenerate.
925 2009-09-02 Ian Lance Taylor <iant@google.com>
927 * output.cc (Output_file::resize): Call map_no_anonymous rather
930 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
932 * gold.cc: Include "incremental.h".
933 (queue_initial_tasks): Call Incremental_checker methods.
934 * incremental.cc: Include "output.h".
935 (Incremental_checker::can_incrementally_link_output_file): New
937 * incremental.h (Incremental_checker): New class.
939 * output.cc (Output_file::open_for_modification): New method.
940 (Output_file::map_anonymous): Changed return type to bool. Record
942 (Output_file::map_no_anonymous): New method, broken out of map.
943 (Output_file::map): Use map_no_anonymous and map_anonymous.
944 * output.h (class Output_file): Update declarations.
946 2009-08-24 Cary Coutant <ccoutant@google.com>
948 * options.h (Command_line::Pre_options): New class.
949 (Command_line::pre_options): New member.
950 * options.cc (gold::options::ready_to_register): New variable.
951 (One_option::register_option): Do nothing if not registering options.
952 Assert if same short option registered twice.
953 (General_options::General_options): Turn off option registration when
955 (Command_line::Pre_options::Pre_options): New constructor.
957 2009-08-24 Cary Coutant <ccoutant@google.com>
959 * options.h (General_options::no_keep_memory): Remove incorrect
962 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
964 * Makefile.am (am__skiplex, am__skipyacc): New.
965 * Makefile.in: Regenerate.
967 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
969 * Makefile.am (AM_CPPFLAGS): Renamed from ...
970 (INCLUDES): ... this.
971 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
972 (AM_CPPFLAGS): Renamed from ...
974 * Makefile.in, testsuite/Makefile.in: Regenerate.
976 * Makefile.in: Regenerate.
977 * aclocal.m4: Likewise.
978 * config.in: Likewise.
979 * configure: Likewise.
980 * testsuite/Makefile.in: Likewise.
982 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
983 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
984 * Makefile.in: Regenerate.
985 * testsuite/Makefile.in: Regenerate.
987 2009-08-19 Cary Coutant <ccoutant@google.com>
989 * resolve.cc (Symbol_table::resolve): Don't complain about defined
990 symbols in shared libraries overridden by hidden or internal symbols
993 2009-08-19 Chris Demetriou <cgd@google.com>
995 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
996 checking source file names in error messages.
998 2009-08-18 Doug Kwan <dougkwan@google.com>
1000 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1001 an elcpp::Ehdr as parameter. Adjust call to set_target.
1002 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1003 an elfcpp::Ehdr as parameter.
1004 * object.cc (Object::set_target): Remove the version that looks up
1005 a target and sets it.
1006 (Sized_relobj::setup): Take a Target object instead of
1007 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1008 (make_elf_sized_object): Find target and ask target to
1010 * object.h: (Object::set_target): Remove the version that looks up
1011 a target and sets it.
1012 (Sized_relobj::setup): Take a Target object instead of
1013 an elfcpp:Ehdr as parameter.
1014 * target.cc: Include dynobj.h.
1015 (Target::do_make_elf_object_implementation): New.
1016 (Target::do_make_elf_object): New.
1017 * target.h (Target::make_elf_object): New template declaration.
1018 (Target::do_make_elf_object): New method declarations.
1019 (Target::do_make_elf_object_implementation): New template declaration.
1021 2009-08-14 Ian Lance Taylor <iant@google.com>
1023 * gold.h (FUNCTION_NAME): Define.
1024 (gold_unreachable): Use FUNCTION_NAME.
1026 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1028 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1029 symbol in the --keep-unique list is not found.
1031 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1033 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1034 been maked as --keep-unique.
1035 (Icf::unfold_section): New function.
1036 * icf.h (Icf::unfold_section): New function.
1037 * options.h (General_options::keep_unique): New option.
1038 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1039 * testsuite/Makefile.in: Regenerate.
1040 * testsuite/icf_keep_unique_test.sh: New file.
1041 * testsuite/icf_keep_unique_test.cc: New file.
1043 2009-08-12 Cary Coutant <ccoutant@google.com>
1046 * resolve.cc (Symbol_table::resolve): Check for references from
1047 dynamic objects to hidden and internal symbols.
1048 * testsuite/Makefile.am (hidden_test.sh): New test.
1049 * testsuite/Makefile.in: Regenerate.
1050 * testsuite/hidden_test.sh: New script.
1051 * testsuite/hidden_test_1.c: New test source.
1052 * testsuite/hidden_test_main.c: New test source.
1054 2009-08-11 Doug Kwan <dougkwan@google.com>
1056 * arm.cc: Update comments.
1057 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1058 segment to locate the .ARM.exidx section if present.
1060 2009-08-09 Doug Kwan <dougkwan@google.com>
1062 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1065 2009-08-07 Sriraman Tallam <tmsriram@google.com>
1066 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1069 2009-08-06 Sriraman Tallam <tmsriram@google.com>
1071 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1072 valid tls_segment only for non-debug-section relocations.
1073 * testsuite/Makefile.am: Add gc_tls_test.
1074 * testsuite/Makefile.in: Regenerate.
1075 * testsuite/gc_tls_test.cc: New file.
1076 * testsuite/gc_tls_test.sh: New file.
1078 2009-08-05 Sriraman Tallam <tmsriram@google.com>
1082 * Makefile.am (CCFILES): Add icf.cc.
1084 * Makefile.in: Regenerate.
1085 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1086 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1087 section, symbol and addend information for the relocs.
1088 * gold.cc (queue_middle_tasks): Call identical code folding.
1089 * gold.h: Add defines for multimap.
1090 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1091 to the call of finalize_local_symbols.
1092 * main.cc (main): Create object of class Icf.
1093 * object.cc (Sized_relobj::do_layout): Allow this function to be
1094 called twice during icf.
1095 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1096 to sections marked as identical by icf.
1097 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1099 (Sized_relobj::do_section_entsize): New function.
1100 * object.h (Object::section_entsize): New function.
1101 (Object::do_section_entsize): New pure virtual function.
1102 (Relobj::finalize_local_symbols): Add new parameter.
1103 (Relobj::do_section_entsize): New function.
1104 * options.h (General_options::icf): New option.
1105 (General_options::icf_iterations): New option.
1106 (General_options::print_icf_sections): New option.
1107 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1108 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1109 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1111 * symtab.cc (Symbol_table::is_section_folded): New function.
1112 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1113 to sections marked as identical by icf.
1114 * symtab.h (Symbol_table::set_icf): New function.
1115 (Symbol_table::icf): New function.
1116 (Symbol_table::is_section_folded): New function.
1117 (Symbol_table::icf_): New data member.
1118 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1119 * testsuite/Makefile.am: Add commands to build icf_test.
1120 * testsuite/Makefile.in: Regenerate.
1121 * testsuite/icf_test.sh: New file.
1122 * testsuite/icf_test.cc: New file.
1124 2009-07-24 Chris Demetriou <cgd@google.com>
1126 * layout.cc (is_compressible_debug_section): Fix incorrect
1127 comment about compressed section names.
1129 2009-07-20 Ian Lance Taylor <ian@airs.com>
1132 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1134 2009-07-16 Ian Lance Taylor <iant@google.com>
1137 * layout.h: #include <map>.
1138 (class Kept_section): Change from struct to class. Add accessors
1139 and setters. Add section size to Comdat_group mapping. Change
1140 Comdat_group to std::map. Add is_comdat_ field. Add
1141 linkonce_size field in union.
1142 (class Layout): Update declaration of find_or_add_kept_section.
1143 Don't declare find_kept_object.
1144 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1145 parameter. Add object, shndx, is_comdat, and is_group_name
1146 parameters. Change all callers. Adjust for new Kept_section.
1147 (Layout::find_kept_object): Remove.
1148 * object.cc (Sized_relobj::include_section_group): Update use of
1149 Kept_section. Rename secnum to shndx. Only record
1150 Kept_comdat_section if sections are the same size.
1151 (Sized_relobj::include_linkonce_section): Update use of
1152 Kept_section. Only record Kept_comdat_section if sections are the
1153 same size. Set size of linkonce section.
1154 (Sized_relobj::map_to_kept_section): Update call to
1155 get_kept_comdat_section.
1156 * object.h (class Sized_relobj): Rename fields in
1157 Kept_comdat_section to drop trailing underscores; change object
1158 field to Relobj*. Change Kept_comdat_section_table to store
1159 struct rather than pointer.
1160 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1161 Add kept_object and kept_shndx parameters. Change all callers.
1162 (Sized_relobj::get_kept_comdat_section): Change return type to
1163 bool. Add kept_object and kept_shndx parameters. Change all
1165 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1166 Layout::find_or_add_kept_section.
1168 2009-07-09 Ian Lance Taylor <iant@google.com>
1170 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1171 Reserve space in the hash table.
1173 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1175 * fileread.cc (File_read::get_mtime): New method.
1176 * fileread.h (Timespec): New structure.
1177 (File_read::get_mtime): New method.
1178 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1179 Renamed from timestamp_nsec.
1180 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1182 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1184 (Incremental_inputs::report_archive): Save mtime; style fix.
1185 (Incremental_inputs::report_obejct): Save mtime; style fix.
1186 (Incremental_inputs::report_script): Save mtime; style fix.
1187 (Incremental_inputs::finalize_inputs): Style fix.
1188 (Incremental_inputs::finalize): Style fix.
1189 (Incremental_inputs::create_input_section_data): Store inputs
1191 * incremental.h (Incremental_inputs::report_script): Add mtime
1193 (Incremental_inputs::Input_info::Input_info): Intialize only one
1195 (Incremental_inputs::Input_info::archive): Move to nameless
1197 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1198 (Incremental_inputs::Input_info::script): Move to nameless union.
1199 (Incremental_inputs::mtime): New field.
1200 * script.cc (read_input_script): Pass file mtime to
1202 * script.h (Script_info::inputs): Style fix.
1204 2009-07-01 Ian Lance Taylor <ian@airs.com>
1206 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1209 2009-06-24 Ian Lance Taylor <iant@google.com>
1212 * layout.cc (Layout::choose_output_section): If we find an
1213 existing section, update the flags.
1214 (Layout::create_notes): New function, broken out of
1216 (Layout::finalize): Don't create note sections.
1217 (Layout::create_note): Don't crash if linker script discards
1219 (Layout::create_gold_note): Likewise.
1220 (Layout::create_build_id): Likewise. Don't set
1221 after_input_sections on the section.
1222 (Layout::create_executable_stack_info): Remove target parameter.
1224 * layout.h (class Layout): Declare create_notes. Update
1225 declaration of create_executable_stack_info.
1226 * gold.cc (queue_middle_tasks): Call create_notes.
1227 * output.cc (Output_section::update_flags_for_input_section): Move
1228 here from output.h. If SHF_ALLOC flag is newly set, mark address
1230 * output.h (Output_data::mark_address_invalid): New function.
1231 (class Output_section): Only declare, not define,
1232 update_flags_for_input_section. Remove set_flags.
1234 2009-06-24 Ian Lance Taylor <iant@google.com>
1236 * script-sections.cc (Output_section_definition::
1237 set_section_addresses): Rename shadowing local load_address to
1240 2009-06-24 Ian Lance Taylor <iant@google.com>
1243 * reloc.cc (relocate_sections): Skip empty relocation sections.
1245 2009-06-23 Ian Lance Taylor <iant@google.com>
1248 * layout.cc (Layout::create_note): Use choose_output_section
1249 rather than make_output_section.
1251 2009-06-23 Ian Lance Taylor <iant@google.com>
1254 * options.cc (General_options::parse_V): Set printed_version_.
1255 (General_options::General_options): Initialize printed_version_.
1256 * options.h (class General_options): Add printed_version_ field.
1257 * gold.cc (queue_initial_tasks): If there are no input files,
1258 don't give a fatal error if we printed the version information.
1259 (queue_middle_tasks): If using -r with a shared object, give a
1260 fatal error rather than an ordinary error.
1262 2009-06-23 Ian Lance Taylor <iant@google.com>
1265 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1266 (Layout::make_output_section): Set have_stabstr_section_ if we see
1267 a .stab*str section.
1268 (Layout::finalize): Call link_stabs_sections.
1269 (Layout::link_stabs_sections): New file.
1270 * layout.h (class Layout): Add have_stabstr_section_ field.
1271 Declare link_stabs_sections.
1273 2009-06-23 Doug Kwan <dougkwan@google.com>
1275 * Makefile.am (libgold_a_LIBADD): New.
1276 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1277 * Makefile.in: Regenerate.
1278 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1279 * configure: Regenerate.
1280 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1281 * fileread.cc: Include sys/state.h
1282 * gold.h: Declare memmem and strndup if found missing.
1283 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1285 2009-06-23 Ian Lance Taylor <iant@google.com>
1287 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1288 * configure: Rebuild.
1290 2009-06-23 Ian Lance Taylor <iant@google.com>
1293 * object.cc (Object::section_contents): Don't try to get a view if
1294 the section has length zero.
1295 (Object::handle_gnu_warning_section): If the section is empty, use
1296 the name of the section as the warning.
1298 2009-06-23 Ian Lance Taylor <iant@google.com>
1301 * stringpool.h (class Stringpool_template): Add optimize_ field.
1302 (Stringpool_template::set_optimize): New function.
1303 * stringpool.cc (Stringpool_template::Stringpool_template):
1304 Initialize optimize_ field.
1305 (Stringpool_template::set_string_offsets): Test local optimize
1306 fild rather than parameter.
1307 * layout.cc (Layout::Layout): Call set_optimize on the section
1310 2009-06-22 Ian Lance Taylor <iant@google.com>
1313 * yyscript.y: Parse TARGET.
1314 * script.cc (script_set_target): New function.
1315 * script-c.h (script_set_target): Declare.
1316 * options.cc (General_options::string_to_object_format): Rename
1317 from string_to_object_format in anonymous namespace. Change
1319 * options.h (class General_options): Declare
1320 string_to_object_format.
1322 2009-06-22 Ian Lance Taylor <iant@google.com>
1324 * script-sections.cc (Script_sections::create_segments): Don't put
1325 program headers in a PT_LOAD segment if -n or -N.
1327 2009-06-22 Ian Lance Taylor <iant@google.com>
1330 * options.h (class General_options): Add -z lazy and -z now. Sort
1331 -z options into alphabetical order.
1332 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1334 2009-06-21 Ian Lance Taylor <iant@google.com>
1336 * layout.cc (Layout::make_output_section): Call
1337 Target::new_output_section.
1338 (Layout::attach_allocated_section_to_segment): Put large section
1339 sections in a separate load segment with the large segment flag
1341 (Layout::segment_precedes): Sort large data segments after other
1343 (align_file_offset): New static function.
1344 (Layout::set_segment_offsets): Use align_file_offset.
1345 * output.h (class Output_section): Add is_small_section_ and
1346 is_large_section_ fields.
1347 (Output_section::is_small_section): New function.
1348 (Output_section::set_is_small_section): New function.
1349 (Output_section::is_large_section): New function.
1350 (Output_section::set_is_large_section): New function.
1351 (Output_section::is_large_data_section): New function.
1352 (class Output_segment): Add is_large_data_segment_ field.
1353 (Output_segment::is_large_data_segment): New function.
1354 (Output_segment::set_is_large_data_segment): New function.
1355 * output.cc (Output_section::Output_section): Initialize new
1357 (Output_segment::Output_segment): Likewise.
1358 (Output_segment::add_output_section): Add assertion that large
1359 data sections always go in large data segments. Force small data
1360 sections to the end of the list of data sections. Force small BSS
1361 sections to the start of the list of BSS sections. For large BSS
1362 sections to the end of the list of BSS sections.
1363 * symtab.h (class Symbol): Declare is_common_shndx.
1364 (Symbol::is_defined): Check Symbol::is_common_shndx.
1365 (Symbol::is_common): Likewise.
1366 (class Symbol_table): Define enum Commons_section_type. Update
1367 declarations. Add small_commons_ and large_commons_ fields.
1368 * symtab.cc (Symbol::is_common_shndx): New function.
1369 (Symbol_table::Symbol_table): Initialize new fields.
1370 (Symbol_table::add_from_object): Put small and large common
1371 symbols in the right list.
1372 (Symbol_table::sized_finalized_symbol): Check
1373 Symbol::is_common_shndx.
1374 (Symbol_table::sized_write_globals): Likewise.
1375 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1376 common symbol lists. Don't call do_allocate_commons_list if the
1378 (Symbol_table::do_allocate_commons_list): Remove is_tls
1379 parameter. Add comons_section_type parameter. Change all
1380 callers. Handle small and large common symbols.
1381 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1382 Symbol::is_common_shndx.
1383 * resolve.cc (symbol_to_bits): Likewise.
1384 * target.h (Target::small_common_shndx): New function.
1385 (Target::small_common_section_flags): New function.
1386 (Target::large_common_shndx): New function.
1387 (Target::large_common_section_flags): New function.
1388 (Target::new_output_section): New function.
1389 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1390 small_common_section_flags, and large_common_section_flags
1392 (Target::do_new_output_section): New virtual function.
1393 * arm.cc (Target_arm::arm_info): Initialize new fields.
1394 * i386.cc (Target_i386::i386_info): Likewise.
1395 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1397 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1398 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1399 (Target_x86_64::do_new_output_section): New function.
1400 * configure.ac: Define conditional MCMODEL_MEDIUM.
1401 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1402 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1403 (large_LDFLAGS): Define.
1404 * testsuite/large.c: New file.
1405 * testsuite/testfile.cc (Target_test::test_target_info):
1406 Initialize new fields.
1407 * configure, testsuite/Makefile.in: Rebuild.
1409 2009-06-05 Doug Kwan <dougkwan@google.com>
1411 * Makefile.am (CCFILES): Add target.cc.
1412 * Makefile.in: Regenerate.
1413 * i386.cc (class Target_i386): Define new virtual method to
1414 override do_is_local_label_name in parent.
1415 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1416 local symbols if --discard-locals or -X is given.
1417 * options.h (class General_options): Declare new options
1418 '--discard-locals' and '-X' for discarding locals.
1419 * target.h (class Target): Define new methods is_local_label_name.
1420 Declare new virtual method do_is_local_label_name.
1421 * target.cc: New file.
1422 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1423 (check_SCRIPTS): Add discard_locals_test.sh.
1424 (check_DATA): Add discard_local_tests.syms.
1425 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1426 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1427 * testsuite/Makefile.in: Regenerate.
1428 * testsuite/discard_locals_test.c: New file.
1429 * testsuite/discard_locals_test.sh: Same.
1431 2009-06-05 Doug Kwan <dougkwan@google.com>
1433 * object.cc (Sized_relobj::Sized_relobj): Initialize
1434 discarded_eh_frame_shndx_ to -1U.
1435 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1437 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1438 a discarded .eh_frame section.
1439 (Sized_relobj::do_finalize_local_symbols): Ditto.
1440 * object.h (class Sized_relobj): Declare new member
1441 discarded_eh_frame_shndx_.
1442 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1443 (local_labels_test.o, local_labels_test): New rules.
1444 * testsuite/Makefile.in: Regenerate.
1446 2009-06-04 Doug Kwan <dougkwan@google.com>
1448 * layout.cc (Layout::section_name_mapping): Add mapping for
1449 special ARM sections.
1451 2009-06-03 Doug Kwan <dougkwan@google.com>
1453 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1454 (utils::has_overflow): Same.
1456 2009-06-03 Ian Lance Taylor <iant@google.com>
1458 * layout.cc (Layout::section_name_mapping): New array, replacing
1459 Layout::linkonce_mapping.
1460 (Layout::section_name_mapping_count): New variable, replacing
1461 Layout::linkonce_mapping_count.
1462 (Layout::linkonce_output_name): Remove.
1463 (Layout::output_section_name): Rewrite.
1464 * layout.h (class Layout): Rename Linkonce_mapping to
1465 Section_name_mapping, linkonce_mapping to section_name_mapping,
1466 linkonce_mapping_count to section_name_mapping_count. Don't
1467 declare linkonce_output_name.
1469 2009-06-03 Doug Kwan <dougkwan@google.com>
1471 * gold/arm.cc (namespace utils): New.
1472 (Target_arm::reloc_is_non_pic): Define new method.
1473 (class Arm_relocate_functions): New.
1474 (Target_arm::Relocate::relocate): Handle relocation types used by
1477 2009-06-03 Ian Lance Taylor <iant@google.com>
1479 * arm.cc (Target_arm::scan::global): Use || instead of |.
1481 2009-06-02 Doug Kwan <dougkwan@google.com>
1483 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1484 issued_non_pic_error_.
1485 (class Target_arm::Scan): Declare new method check_non_pic.
1486 Define new method symbol_needs_plt_entry.
1487 Declare new data member issued_non_pic_error_.
1488 (class Target_arm::Relocate): Declare new method
1489 should_apply_static_reloc.
1490 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1491 (Target_arm::Scan::check_non_pic): Define new method.
1492 (Target_arm::Scan::local): Handle a small subset of reloc types used
1494 (Target_arm::Scan::local): Same.
1495 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1497 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1499 * incremental.cc (Incremental_inputs::report_command_line): Filter
1500 out --incremental-* options.
1502 2009-05-29 Doug Kwan <dougkwan@google.com>
1504 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1506 (class Target_arm): Update comment.
1507 (Target_arm::Target_arm): Initialize new data members GOT_,
1508 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1509 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1510 and Target_arm::rel_dyn_section.
1511 Declare new_enum Target_arm::Got_type.
1512 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1514 Update commments for member do_dynsym_value.
1515 (Target_arm::got_size, Target_arm::plt_section,
1516 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1517 new methods inside class defintion.
1518 (Target_arm::got_section): Define new method.
1519 (Target_arm::rel_dyn_section): Same.
1520 (Output_data_plt_arm): New template class.
1521 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1522 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1523 (Output_data_plt_arm::add_entry): Same.
1524 (Output_data_plt_arm::first_plt_entry): Define new
1525 static data member for PLT instruction template.
1526 (Output_data_plt_arm::plt_entry): Same.
1527 (Output_data_plt_arm::do_write): Define new method.
1528 (Target_arm::make_plt_entry): Same.
1529 (Target_arm::do_finalize_sections): Same.
1530 (Target_arm::do_dynsym_value): Same.
1532 2009-05-28 Doug Kwan <dougkwan@google.com>
1534 * Makefile.am (TARGETSOURCES): Add arm.cc.
1535 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1536 * Makefile.in: Regenerate.
1538 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1540 2009-05-26 Doug Kwan <dougkwan@google.com>
1542 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1543 (General_options::check_excluded_libs): Strip off directories in
1544 archive name before matching like GNU ld does.
1545 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1546 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1547 (exclude_libs_test_LDFLAGS): Add linker option
1548 -Wl,--exclude-libs,libexclude_libs_test_3
1549 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1550 an explicit archive without using -l.
1551 (alt/libexclude_libs_test_3.a): New make rule.
1552 * testsuite/Makefile.in: Regenerate.
1553 * testsuite/exclude_libs_test.c : Declare lib3_default().
1555 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1556 * exclude_libs_test_3.c: New file.
1558 2009-05-26 Nick Clifton <nickc@redhat.com>
1560 * po/id.po: New Indonesian translation.
1561 * po/gold.pot: Updated template file.
1563 2009-05-22 Sriraman Tallam <tmsriram@google.com>
1565 * testsuite/Makefile.am: Add -ffunction-sections to compile
1566 gc_comdat_test files. Add -Wl,--gc-sections to build
1568 * testsuite/Makefile.in: Regenerate.
1569 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1571 2009-05-21 Sriraman Tallam <tmsriram@google.com>
1573 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1574 kept comdat section was garbage collected.
1575 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1576 * testsuite/Makefile.in: Regenerate.
1577 * testsuite/gc_comdat_test.sh: New file.
1578 * testsuite/gc_comdat_test_1.cc: New file.
1579 * testsuite/gc_comdat_test_2.cc: New file.
1581 2009-05-19 Doug Kwan <dougkwan@google.com>
1583 * archive.cc (Archive::Archive): Move constructor from archive.h
1584 to here. Initialize no_export_.
1585 (Archive::get_elf_object_for_member): Set no_export flag of object.
1586 * archive.h (Archive::Archive): Move constructor body to
1588 (Archive::no_export): New method.
1589 (Archive::no_export_): New field.
1590 * object.h (Object::Object): Initialize no_export_ to false.
1591 (Object::no_export, Object::set_no_export): New methods.
1592 (Object::no_export_): New field.
1593 * options.cc (General_options::parse_exclude_libs): New method.
1594 (General_options::check_excluded_libs) Same.
1595 * options.h (exclude_libs): New option.
1596 (General_options::check_excluded_libs): New method declaration.
1597 (General_options::excluded_libs_): New field.
1598 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1599 default or protected visibility if an object has no-export flag set.
1600 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1601 (check_SCRIPTS): Add exclude_libs_test.sh.
1602 (check_DATA): Add exclude_libs_test.syms.
1603 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1604 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1605 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1606 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1607 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1608 libexclude_libs_test_2.a): New rules.
1609 * testsuite/Makefile.in: Regenerate.
1610 * testsuite/exclude_libs_test.c: New file.
1611 * testsuite/exclude_libs_test.sh: Ditto.
1612 * testsuite/exclude_libs_test_1.c: Ditto.
1613 * testsuite/exclude_libs_test_2.c: Ditto.
1615 2009-05-15 Ian Lance Taylor <iant@google.com>
1617 * configure.ac: Check for declarations for cases where libiberty.h
1618 checks HAVE_DECL_xxx.
1619 * configure, config.in: Rebuild.
1621 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1623 * gold.h (Incremental_argument_list): Remove (invalid) forward
1625 * incremental.cc (Incremental_inputs::report_achive): New method.
1626 (Incremental_inputs::report_object): New method.
1627 (Incremental_inputs::report_script): New method.
1628 (Incremental_inputs::finalize_inputs): New method.
1629 (Incremental_inputs::finalize): Call finalize_inputs().
1630 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1631 Create inputs entries.
1632 * incremental.h (Incremental_input_type): New enum.
1633 (Incremental_inputs::Incremental_input): Initialize new fields.
1634 (Incremental_inputs::report_inputs): New method.
1635 (Incremental_inputs::report_achive): New method.
1636 (Incremental_inputs::report_object): New method.
1637 (Incremental_inputs::report_script): New method.
1638 (Incremental_inputs::finalize_inputs): New method.
1639 (Incremental_inputs::Input_info): New struct.
1640 (Incremental_inputs::Input_info_map): New typedef.
1641 (Incremental_inputs::lock_): New field.
1642 (Incremental_inputs::Inputs_): New field.
1643 (Incremental_inputs::Inputs_map): New field.
1644 * main.cc (main): Call Incremental_input::report_inputs.
1645 * options.h (Input_argument_list): Typedef moved from
1647 (Input_file_group::Files): Remove, use ::Input_argument_list.
1648 (Input_file_group::Input_argument_list): Remove, use
1649 ::Input_argument_list.
1650 * plugin.cc (Plugin_manager::add_input_file): Add error in
1652 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1654 * script.cc (read_input_script): Call
1655 Incremental_input::report_script.
1656 * script.h (Script_info): New class.
1658 2009-04-27 Ian Lance Taylor <iant@google.com>
1660 * x86_64.cc (do_adjust_output_section): Set entsize to
1663 2009-04-23 Elliott Hughes <enh@google.com>
1665 * output.cc (Output_file::close): After short writes, continue
1666 writing from the correct offset in the buffer being written.
1668 2009-04-23 Chris Demetriou <cgd@google.com>
1670 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1671 * configure: Regenerate.
1672 * config.in: Regenerate.
1673 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1674 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1676 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
1678 * incremental.cc (Incremental_inputs_header_data): Renamed from
1679 Incremental_input_header_data.
1680 (Incremental_inputs_header_data::data_size): New field.
1681 (Incremental_inputs_header_data::put_input_file_count): Renamed
1682 from input_file_count.
1683 (Incremental_inputs_header_data::put_command_line_offset): Renamed
1684 from command_line_offset.
1685 (Incremental_inputs_header_data::put_reserved): Renamed from
1687 (Incremental_inputs_entry_data): Renamed from
1688 Incremental_input_entry_data.
1689 (Incremental_inputs_entry_data::data_size): New field.
1690 (Incremental_inputs::report_command_line): New method.
1691 (Incremental_inputs::finalize): New method.
1692 (Incremental_inputs::create_incremental_inputs_data): New method.
1693 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1694 * incremental.h: New file.
1695 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1696 (Layout::finalize): Create incremental inputs section in
1698 (Layout::create_incremental_info_sections): New method.
1699 * layout.h (Layout::incremental_inputs): New method.
1700 (Layout::create_incremental_info_sections): New method.
1701 (Layout::incremental_inputs_): New field.
1702 * main.cc (main): Notify Incremental_input of the command line.
1704 2009-04-01 Ian Lance Taylor <iant@google.com>
1705 Mikolaj Zalewski <mikolajz@google.com>
1707 * gold.h (reserve_unordered_map): Define, three versions, one for
1708 each version of Unordered_map.
1709 * layout.cc (Layout::Layout): Remove options parameter. Add
1710 number_of_input_files parameter. Don't initialize options_.
1711 Initialize number_of_input_files_ and resized_signatures_. Move
1712 sections_are_attached_.
1713 (Layout::layout_group): Reserve space for group_signatures_.
1714 (Layout::find_or_add_kept_section): Change name parameter to be a
1715 reference. Resize signatures_ map when it gets large enough.
1716 (Layout::layout_eh_frame): Use parameters->options() instead of
1718 (Layout::make_output_section): Likewise.
1719 (Layout::attach_allocated_section_to_segment): Likewise.
1720 (Layout::finalize, Layout::create_executable_stack): Likewise.
1721 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1722 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1723 * layout.h (class Layout): Update declarations. Remove options_
1724 field. Add number_of_input_files_ and resized_signatures_
1725 fields. Move sections_are_attached_ field.
1726 * main.cc (main): Pass number of input files to Layout
1727 constructor. Don't pass options.
1729 2009-03-30 Ian Lance Taylor <iant@google.com>
1731 * ffsll.c (ffsll): Correct implementation.
1733 2009-03-27 Ian Lance Taylor <iant@google.com>
1735 * ffsll.c: New file.
1736 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1737 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1738 * ftruncate.c (ftruncate): Declare before definition.
1739 * mremap.c (mremap): Likewise.
1740 * pread.c (pread): Likewise.
1741 * configure, Makefile.in, config.in: Rebuild.
1743 * mremap.c: New file.
1744 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1745 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1746 (mremap): Declare if HAVE_MREMAP is not defined.
1747 * configure, Makefile.in, config.in: Rebuild.
1749 2009-03-27 Cary Coutant <ccoutant@google.com>
1751 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1752 position independent.
1753 * sparc.cc (Target_sparc::check_non_pic): Likewise.
1754 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1756 2009-03-24 Cary Coutant <ccoutant@google.com>
1758 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1760 (needs_dynamic_reloc): Likewise.
1762 2009-03-24 Ian Lance Taylor <iant@google.com>
1764 * yyscript.y (file_cmd): Recognize EXTERN.
1765 (extern_name_list, extern_name_list_body): New nonterminals.
1766 * script.cc (script_add_extern): Define.
1767 * script-c.h (script_add_extern): Declare.
1769 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
1771 * object.cc (is_elf_object): Define.
1772 * object.h (is_elf_object): Declare.
1773 * archive.cc (Archive::get_elf_object_for_member): Call
1775 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1777 2009-03-24 Elliott Hughes <enh@google.com>
1779 * output.cc (Output_file::map_anonymous): Define.
1780 (Output_file::map): Use map_anonymous. If the regular mmap fails,
1781 try an anonymous one. Report the size if the mmap fails.
1782 * output.h (class Output_file): Declare map_anonymous.
1784 2009-03-24 Ian Lance Taylor <iant@google.com>
1786 * target-select.cc (instantiate_target): Don't acquire the lock if
1787 the instantiated_target_ field has already been set.
1789 2009-03-23 Ian Lance Taylor <iant@google.com>
1791 * gold-threads.h (class Initialize_lock): Define.
1792 * gold-threads.cc (class Initialize_lock_once): Define.
1793 (initialize_lock_control): New static variable.
1794 (initialize_lock_pointer): New static variable.
1795 (initialize_lock_once): New static function.
1796 (Initialize_lock::Initialize_lock): Define.
1797 (Initialize_lock::initialize): Define.
1798 * target-select.h: Include "gold-threads.h".
1799 (class Target_selector): Add lock_ and initialize_lock_ fields.
1800 Don't define instantiate_target, just declare it.
1801 * target-select.cc (Target_selector::Target_selector): Initialize
1803 (Target_selector::instantiate_target): Define.
1804 * descriptors.h: Include "gold-threads.h".
1805 (class Descriptors): Add initialize_lock_ field.
1806 * descriptors.cc (Descriptors::Descriptors): Initialize new
1808 (Descriptors::open): Use initialize_lock_ field
1809 * errors.h (class Errors): Add initialize_lock_ field.
1810 * errors.cc (Errors::Errors): Initialize new field.
1811 (Errors::initialize_lock): Use initialize_lock_ field.
1812 * powerpc.cc (class Target_selector_powerpc): Remove
1813 instantiated_target_ field. In do_recognize call
1814 instantiate_target rather than do_instantiate_target. In
1815 do_instantiate_target just allocate a new target.
1816 * sparc.cc (class Target_selector_sparc): Likewise.
1818 * freebsd.h: New file.
1819 * i386.cc: Include "freebsd.h".
1820 (Target_i386): Derive from Target_freebsd rather than
1822 (Target_selector_i386): Derive from Target_selector_freebsd rather
1823 than Target_selector.
1824 * x86_64.cc: Include "freebsd.h".
1825 (Target_x86_64): Derive from Target_freebsd rather than
1827 (Target_selector_x86_64): Derive from Target_selector_freebsd
1828 rather than Target_selector.
1829 * target.h (class Target): Add adjust_elf_header and
1830 do_adjust_elf_header.
1831 * output.cc (Output_file_header:: do_sized_write): Call target
1832 adjust_elf_header routine.
1833 * configure.tgt: Set targ_osabi.
1834 * configure.ac: Define GOLD_DEFAULT_OSABI.
1835 * parameters.cc (Parameters::default_target): Pass
1836 GOLD_DEFAULT_OSABI to select_target.
1837 * target-select.h (class Target_selector): Make instantiate_target
1838 protected rather than private.
1839 * Makefile.am (HFILES): Add freebsd.h.
1840 * configure, Makefile.in, config.in: Rebuild.
1842 * merge.cc (do_add_input_section): Correct pend value. Change
1843 message about last entry not being null terminated from error to
1846 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
1848 * incremental.cc: New file.
1849 * Makefile.am (CCFILES): Add incremental.cc.
1850 * Makefile.in: Rebuild.
1852 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
1854 * layout.cc (Layout::output_section_name): Preserve names
1855 of '.note.' sections.
1857 2009-03-19 Ian Lance Taylor <iant@google.com>
1859 * descriptors.cc (Descriptors::open): Check that the options are
1860 valid before using them.
1862 2009-03-18 Ian Lance Taylor <iant@google.com>
1864 * script-sections.h: Include <list>.
1865 (class Script_sections): Change Sections_elements from std::vector
1866 to std::list. Typedef public Elements_iterator. Add
1867 orphan_section_placement_, data_segment_align_start_, and
1868 saw_data_segment_align_ fields. Remove data_segment_align_index_
1870 * script-sections.cc (class Orphan_section_placement): New class.
1871 (class Sections_element): Add virtual functions is_relro and
1872 orphan_section_init. Remove virtual function place_orphan_here.
1873 (class Output_section_definition): Add is_relro and
1874 orphan_section_init. Remove place_orphan_here.
1875 (class Orphan_output_section): Likewise.
1876 (Script_sections::Script_sections): Update for field changes.
1877 (Script_sections::data_segment_align): Set saw_data_segment_align_
1878 and data_segment_align_start_, not data_segment_align_index.
1879 (Script_sections::data_segment_relro_end): Check
1880 saw_data_segment_align_. Use data_segment_align_start_ rather
1881 than data_segment_align_index_.
1882 (Script_sections::place_orphan): Rewrite to use
1883 Orphan_section_placement.
1885 2009-03-17 Ian Lance Taylor <iant@google.com>
1887 * archive.cc (Archive::add_symbols): Check for a version attached
1888 to the symbol name in the archive map.
1889 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
1890 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
1891 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
1892 (ver_test_11.a): New target.
1893 * testsuite/Makefile.in: Rebuild.
1895 * configure.ac: Check for chsize and posix_fallocate. Replace
1897 * ftruncate.c: New file, from gnulib.
1898 * output.cc (posix_fallocate): Define dummy version if not
1899 HAVE_POSIX_FALLOCATE.
1900 (Output_file::map): Call posix_fallocate rather than lseek and
1902 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
1903 * configure, Makefile.in, config.in: Rebuild.
1905 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
1907 * layout.h (Layout::create_note): Add section_name parameter.
1908 * layout.cc (Layout::create_note): Likewise.
1909 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
1911 2009-03-17 Ian Lance Taylor <iant@google.com>
1913 * descriptors.cc: Include "options.h".
1914 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
1915 (Descriptors::open): Always use O_CLOEXEC when opening a new
1916 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
1917 then set FD_CLOEXEC.
1919 * sparc.cc (class Target_sparc): Add has_got_section.
1920 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1921 make sure we have a GOT section.
1923 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1924 (Target_sparc::Scan::local): Likewise.
1925 (Target_sparc::Scan::global): Likewise.
1926 (Target_sparc::Relocate::relocate): Likewise.
1927 (Target_sparc::Relocate::relocate_tls): Likewise.
1929 * symtab.cc (Symbol_table::define_default_version): New function,
1930 broken out of add_from_object.
1931 (Symbol_table::add_from_object): Call define_default_version.
1932 (Symbol_table::define_special_symbol): Add resolve_oldsym
1933 parameter. Change all callers. If the version for a symbol comes
1934 from a version script, resolve it with the symbol with the same
1935 name with no version. Also add the symbol without a version if
1937 (do_define_in_output_data): If resolving with oldsym, don't delete
1939 (do_define_in_output_segment): Likewise.
1940 (do_define_as_constant): Likewise.
1941 * symtab.h (class Symbol_table): Update declarations.
1943 2009-03-13 Ian Lance Taylor <iant@google.com>
1945 * readsyms.cc (Read_symbols::incompatible_warning): New function.
1946 (Read_symbols::requeue): New function.
1947 (Read_symbols::do_read_symbols): If make_elf_object fails because
1948 the target type is not configured, and the file was searched for,
1949 issue a warning and retry with the next directory.
1950 (Add_symbols::run): If the file has an incompatible format, and
1951 it was searched for, requeue the Read_symbols task. On error,
1953 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
1954 dirindex parameter to constructor. Change all callers. Declare
1955 incompatible_warning and requeue.
1956 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1957 input_argument_ and input_group_ fields. Add them to
1958 constructor. Change all callers.
1959 (class Read_script): Add dirindex_ field. Add it to constructor.
1961 * archive.cc (Archive::setup): Remove input_objects parameter.
1963 (Archive::get_file_and_offset): Likewise.
1964 (Archive::read_all_symbols): Likewise.
1965 (Archive::read_symbols): Likewise.
1966 (Archive::get_elf_object_for_member): Remove input_objects
1967 parameter. Add punconfigured parameter. Change all callers.
1968 (Archive::add_symbols): Change return type to bool. Check return
1969 value of include_member.
1970 (Archive::include_all_members): Likewise.
1971 (Archive::include_member): Change return type to bool. Return
1972 false if first included object has incompatible target. Set
1973 included_member_ field.
1974 (Add_archive_symbols::run): If add_symbols returns false, requeue
1976 * archive.h (class Archive): Add included_member_ field.
1977 Initialize it in constructor. Add input_file and searched_for
1978 methods. Update declarations.
1979 (class Add_archive_symbols): Add dirpath_, dirindex_, and
1980 input_argument_ fields. Add them to constructor. Change all
1982 * script.cc: Include "target-select.h".
1983 (class Parser_closure): Add skip_on_incompatible_target_ and
1984 found_incompatible_target_ fields. Add
1985 skip_on_incompatible_target parameter to constructor. Change all
1986 callers. Add methods skip_on_incompatible_target,
1987 clear_skip_on_incompatible_target, found_incompatible_target, and
1988 set_found_incompatible_target.
1989 (read_input_script): Add dirindex parameter. Change all callers.
1990 If parser finds an incompatible target, requeue Read_symbols
1992 (script_set_symbol): Clear skip_on_incompatible_target in
1994 (script_add_assertion, script_parse_option): Likewise.
1995 (script_start_sections, script_add_phdr): Likewise.
1996 (script_check_output_format): New function.
1997 * script.h (read_input_script): Update declaration.
1998 * script-c.h (script_check_output_format): Declare.
1999 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2000 (ignore_cmd): Remove OUTPUT_FORMAT.
2001 * fileread.cc (Input_file::Input_file): Add explicit this.
2002 (Input_file::will_search_for): New function.
2003 (Input_file::open): Add pindex parameter. Change all callers.
2004 * fileread.h (class Input_file): Add input_file_argument method.
2005 Declare will_search_for. Update declarations.
2006 * object.cc (make_elf_object): Add punconfigured parameter.
2008 * object.h (class Object): Make input_file public. Add
2009 searched_for method.
2010 (make_elf_object): Update declaration.
2011 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2013 * dirsearch.h (class Dirsearch): Update declaration.
2014 * options.h (class General_options): Add --warn-search-mismatch.
2015 * parameters.cc (Parameters::is_compatible_target): New function.
2016 * parameters.h (class Parameters): Declare is_compatible_target.
2017 * workqueue.cc (Workqueue::add_blocker): New function.
2018 * workqueue.h (class Workqueue): Declare add_blocker.
2020 * fileread.cc (Input_file::open): Remove options parameter.
2022 (Input_file::open_binary): Likewise.
2023 * script.cc (read_input_script): Likewise.
2024 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2025 options parameter from constructor. Change all callers.
2026 (class Read_script): Likewise.
2027 * fileread.h (class Input_file): Update declarations.
2028 * script.h (read_input_script): Update declaration.
2030 2009-03-10 Nick Clifton <nickc@redhat.com>
2032 * po/es.po: New Spanish translation.
2034 2009-03-06 Cary Coutant <ccoutant@google.com>
2036 * options.cc (parse_short_option): Keep dash_z from registering itself.
2038 2009-03-03 Ian Lance Taylor <iant@google.com>
2041 * target-reloc.h (relocate_section): Pass output_section to
2043 * i386.cc (Target_i386::should_apply_static_reloc): Add
2044 output_section parameter. Change all callers.
2045 (Target_i386::Relocate::relocate): Add output_section parameter.
2046 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2047 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2048 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2049 * testsuite/two_file_shared.sh: New script.
2050 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2051 (check_DATA): Add two_file_shared.dbg.
2052 (two_file_shared.dbg): New target.
2053 * testsuite/Makefile.in: Rebuild.
2055 2009-03-01 Ian Lance Taylor <iant@google.com>
2057 * configure.ac: Check for byteswap.h.
2058 * configure: Rebuild.
2059 * config.in: Rebuild.
2061 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2063 * layout.cc (Layout::find_or_add_kept_section): New function.
2064 (Layout::add_comdat): Removed.
2065 * layout.h (struct Kept_section): Move out of class Layout.
2066 Remove trailing underscores from field names. Add group_sections
2067 field. Rename group_ field to is_group. Change all uses.
2068 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2069 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2070 comdat_groups_ field.
2071 (Sized_relobj::include_section_group): Use
2072 find_or_add_kept_section and Kept_section::group_sections.
2073 (Sized_relobj::include_linkonce_section): Likewise.
2074 * object.cc (class Sized_relobj): Don't define Comdat_group or
2075 Comdat_group_table. Remove find_comdat_group and
2076 add_comdat_group. Remove comdat_groups_ field.
2077 * plugin.cc (include_comdat_group): Use
2078 Layout::find_or_add_kept_section.
2080 2009-02-28 Ian Lance Taylor <iant@google.com>
2082 * README: --gc-sections and map files are now supported. Document
2083 some build requirements.
2086 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2087 relocatable link set the value of the section symbol to zero.
2088 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2089 relocatable link don't include the section address in the local
2092 2009-02-27 Ian Lance Taylor <iant@google.com>
2095 * options.h (class Search_directory): Add is_system_directory.
2096 (class General_options): Declare is_in_system_directory.
2097 * options.cc (get_relative_sysroot): Make static.
2098 (get_default_sysroot): Make static.
2099 (General_optoins::is_in_system_directory): New function.
2100 * fileread.cc (Input_file::is_in_system_directory): New function.
2101 * fileread.h (class Input_file): Declare is_in_system_directory.
2102 * object.h (class Object): Add is_in_system_directory.
2103 (class Input_objects): Remove system_library_directory_ field.
2104 * object.cc (Input_objects::add_object): Don't set
2105 system_library_directory_.
2106 (input_objects::found_in_system_library_directory): Remove.
2107 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2108 parameter. Change all callers.
2109 (Symbol_table::sized_write_globals): Likewise.
2110 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2111 Call Object::is_in_system_directory.
2112 * symtab.h (class Symbol_table): Update declarations.
2115 * descriptors.h (Open_descriptor): Add is_on_stack field.
2116 * descriptors.cc (Descriptors::open): If the descriptor is on the
2117 top of the stack, remove it. Initialize is_on_stack field.
2118 (Descriptors::release): Only add pod to stack if it is not on the
2120 (Descriptors::close_some_descriptor): Clear stack_next and
2124 * output.cc (Output_section::find_starting_output_address): Rename
2125 from starting_output_address; add PADDR parameter; change return
2127 * output.h (class Output_section): Declare
2128 find_starting_output_address instead of starting_output_address.
2129 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2130 section symbol for which we can't find a merge section.
2133 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2134 hidden or internal, force the symbol to be local.
2135 * resolve.cc (Symbol::override_visibility): Define.
2136 (Symbol::override_base): Use override_visibility.
2137 (Symbol_table::resolve): Likewise.
2138 (Symbol::override_base_with_special): Likewise.
2139 (Symbol_table::override_with_special): If the visibility is hidden
2140 or internal, force the symbol to be local.
2141 * symtab.h (class Symbol): Add set_visibility and
2142 override_visibility.
2143 * testsuite/ver_test_1.sh: New file.
2144 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2145 (check_DATA): Add ver_test_1.syms.
2146 (ver_test_1.syms): New target.
2147 * testsuite/Makefile.in: Rebuild.
2149 2009-02-25 Cary Coutant <ccoutant@google.com>
2151 * layout.cc (Layout::choose_output_section): Don't rename sections
2152 when using a linker script that has a SECTIONS clause.
2153 * Makefile.in: Regenerate.
2155 * testsuite/Makefile.am (script_test_5.sh): New test case.
2156 * testsuite/Makefile.in: Regenerate.
2157 * testsuite/script_test_5.cc: New file.
2158 * testsuite/script_test_5.sh: New file.
2159 * testsuite/script_test_5.t: New file.
2161 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
2163 * archive.cc (Archive::include_member): Update calls to add_symbols.
2164 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2165 the Layout argument.
2166 * dynobj.h (do_add_symbols): Add the Layout argument.
2167 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2169 * object.h (Object::add_symbols): Add the Layout argument.
2170 (Object::do_add_symbols): Add the Layout argument.
2171 (Sized_relobj::do_add_symbols): Add the Layout argument.
2172 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2173 Unify the two versions.
2174 (Add_plugin_symbols): Remove.
2175 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2176 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2177 (Add_plugin_symbols): Remove.
2178 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2179 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2180 (Add_symbols::run): Make it work with Pulginobj.
2182 2009-02-06 Ian Lance Taylor <iant@google.com>
2184 * object.cc (Sized_relobj::do_layout): Make info message start
2185 with lower case letter.
2187 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2189 * binary.cc: Fix file comment.
2191 * options.h (enum Incremental_disposition): Define.
2192 (class General_options): Add new options: --incremental,
2193 --incremental_changed, --incremental_unchanged,
2194 --incremental_unknown. Add incremental_disposition_ and
2195 implicit_incremental_ fields.
2196 (General_options::incremental_disposition): New function.
2197 (class Position_dependent_options): Add incremental_disposition
2199 (Position_dependent_options::copy_from_options): Set incremental
2201 * options.cc (General_options::parse_incremental_changed): New
2203 (General_options::parse_incremental_unchanged): New function.
2204 (General_options::parse_incremental_unknown): New function.
2205 (General_options::General_options): Initialize new fields
2206 incremental_disposition_ and implicit_incremental_.
2207 (General_options::finalize): Check for uasge of --incremental-*
2208 without --incremental.
2210 2009-02-06 Chris Demetriou <cgd@google.com>
2212 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2213 pointer and to report location as the file name associated with
2215 (gold_undefined_symbol_at_location): New function to replace the
2216 old gold_undefined_symbol functionality.
2217 * target-reloc.h (relocate_section): Update to use
2218 gold_undefined_symbol_at_location.
2219 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2220 Call gold_undefined_symbol function rather than gold_error.
2221 * errors.h (Errors::undefined_symbol): Take location as a
2222 string, rather than calculating it from a relocation.
2223 * errors.cc (Errors::fatal): Print "fatal error:" before the
2225 (Errors::error, Errors::error_at_location): Print "error: "
2226 before the formatted message.
2227 (Errors::undefined_symbol): Take location as a string, rather
2228 than calculating it from a relocation.
2229 (gold_undefined_symbol_at_location): New function akin to
2230 old gold_undefined_symbol, calculates location from relocation.
2231 (gold_undefined_symbol): Change to take only a Symbol pointer
2232 and to report location as the file name associated with the symbol.
2233 * testsuite/debug_msg.sh: Update for changed error messages.
2234 * testsuite/undef_symbol.sh: Likewise.
2236 2009-02-04 Duncan Sands <baldrick@free.fr>
2239 * reduced_debug_output.h
2240 (Output_reduced_debug_abbrev_section::failed): Use format for
2242 (Output_reduced_debug_info_section::faild): Likewise.
2244 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2246 * script.cc (Lazy_demangler): New class.
2247 (Version_script_info::get_symbol_version_helper): Demangle a
2250 2009-01-29 Cary Coutant <ccoutant@google.com>
2252 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2254 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2256 2009-01-28 Ian Lance Taylor <iant@google.com>
2258 * version.cc (version_string): Bump to 1.9.
2260 * gold.h: Include <cstring> and <stdint.h>.
2261 * version.cc: Include <cstdio>.
2262 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2264 * reduced_debug_output.cc (insert_into_vector): Rename from
2265 Insert_into_vector; change all callers. Use Swap_unaligned to
2266 avoid aliasing issue; remove union since it is unnecessary.
2268 2009-01-27 Sriraman Tallam <tmsriram@google.com>
2270 * Makefile.am (CCFILES): Add gc.cc.
2272 * Makefile.in: Regenerate.
2273 * gold.cc (Gc_runner): New class.
2274 (queue_initial_tasks): Call garbage collection related tasks
2275 when corresponding options are invoked.
2276 (queue_middle_gc_tasks): New function.
2277 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2278 processed early before laying out sections during garbage collection.
2279 * gold.h (queue_middle_gc_tasks): New function.
2280 (is_prefix_of): Move from "layout.cc".
2281 * i386.cc (Target_i386::gc_process_relocs): New function.
2282 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2283 * main.cc (main): Create object of class "Garbage_collection".
2284 * object.cc (Relobj::copy_symbols_data): New function.
2285 (Relobj::is_section_name_included): New function.
2286 (Sized_relobj::do_layout): Allow this function to be called twice
2287 during garbage collection and defer layout of section during the
2289 * object.h (Relobj::get_symbols_data): New function.
2290 (Relobj::is_section_name_included): New function.
2291 (Relobj::copy_symbols_data): New function.
2292 (Relobj::set_symbols_data): New function.
2293 (Relobj::get_relocs_data): New function.
2294 (Relobj::set_relocs_data): New function.
2295 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2296 (Relobj::gc_process_relocs): New function.
2297 (Relobj::do_gc_process_relocs): New pure virtual function.
2298 (Relobj::sd_): New data member.
2299 (Sized_relobj::is_output_section_offset_invalid): New function.
2300 (Sized_relobj::do_gc_process_relocs): New function.
2301 * options.h (General_options::gc_sections): Modify to not be a no-op.
2302 (General_options::print_gc_sections): New option.
2303 * plugin.cc (Plugin_finish::run): Remove function call to
2304 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2305 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2306 * reloc.cc (Read_relocs::run): Add task to process relocs and
2307 determine unreferenced sections when doing garbage collection.
2308 (Gc_process_relocs): New class.
2309 (Sized_relobj::do_gc_process_relocs): New function.
2310 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2311 sections that are garbage collected.
2312 * reloc.h (Gc_process_relocs): New class.
2313 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2314 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2315 symbols whose corresponding sections are garbage collected.
2316 (Symbol_table::Symbol_table): Add new parameter for the garbage
2318 (Symbol_table::gc_mark_undef_symbols): New function.
2319 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2320 (Symbol_table::gc_mark_dyn_syms): New function.
2321 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2323 (Symbol_table::add_from_object): Likewise.
2324 (Symbol_table::add_from_relobj): When building shared objects, do not
2325 treat externally visible symbols as garbage.
2326 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2327 table information for static and relocatable links.
2328 * symtab.h (Symbol_table::set_gc): New function.
2329 (Symbol_table::gc): New function.
2330 (Symbol_table::gc_mark_undef_symbols): New function.
2331 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2332 (Symbol_table::gc_mark_dyn_syms): New function.
2333 (Symbol_table::gc_): New data member.
2334 * target.h (Sized_target::gc_process_relocs): New pure virtual
2336 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2337 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2339 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2341 * options.h (General_options::gc_sections): Define as a no-op for now.
2342 (General_options::no_keep_memory): Ditto.
2343 (General_options::Bshareable): Define.
2344 * options.cc (General_options::finalize): Honor -Bshareable.
2346 2009-01-20 Andreas Schwab <schwab@suse.de>
2348 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2349 read the value in the contents, since we don't use it. Use the
2350 template endianness when writing.
2351 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2353 2009-01-19 Andreas Schwab <schwab@suse.de>
2355 * configure.tgt (powerpc64-*): Fix targ_obj.
2357 2009-01-15 Ian Lance Taylor <iant@google.com>
2359 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2360 local symbols when stripping all symbols.
2362 2009-01-14 Cary Coutant <ccoutant@google.com>
2364 * output.cc (Output_reloc): Add explicit instantiations.
2366 2009-01-14 Cary Coutant <ccoutant@google.com>
2368 * archive.cc (Archive::get_elf_object_for_member): Remove call
2369 to File_read::claim_for_plugin.
2370 * descriptors.cc (Descriptors::open): Remove reference to
2372 (Descriptors::claim_for_plugin): Remove.
2373 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2374 (Descriptors::is_claimed): Remove.
2375 (claim_descriptor_for_plugin): Remove.
2376 * fileread.cc (File_read::claim_for_plugin): Remove.
2377 * fileread.h (File_read::claim_for_plugin): Remove.
2378 (File_read::descriptor): Reopen descriptor if necessary.
2379 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2380 (Plugin_manager::all_symbols_read): Add task parameter. Change
2382 (Plugin_manager::get_input_file): New function.
2383 (Plugin_manager::release_input_file): New function.
2384 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2385 corresponding data member.
2386 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2387 and pass to base constructor. Change all callers.
2388 (get_input_file, release_input_file): New functions.
2389 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2390 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2391 (Plugin_manager::all_symbols_read): Add task parameter.
2392 (Plugin_manager::get_input_file): New function.
2393 (Plugin_manager::release_input_file): New function.
2394 (Plugin_manager::task_): New data member.
2395 (Pluginobj::Pluginobj): Add filesize parameter.
2396 (Pluginobj::filename): New function.
2397 (Pluginobj::descriptor): New function.
2398 (Pluginobj::filesize): New function.
2399 (Pluginobj::filesize_): New data member.
2400 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2401 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2402 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2404 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2405 with archive libraries.
2406 * testsuite/Makefile.in: Regenerate.
2407 * testsuite/plugin_test.c (struct sym_info): New type.
2408 (get_input_file, release_input_file): New static variables.
2409 (onload): Capture new transfer vector entries.
2410 (claim_file_hook): Stop reading at end of file according to filesize.
2411 Factor out parsing of readelf output into separate function.
2412 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2413 APIs and get the source file name from the symbol table. Convert
2414 source file name to corresponding object file name. Print info
2415 message when adding new input files.
2416 (parse_readelf_line): New function.
2417 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2418 * testsuite/plugin_test_2.sh: Likewise.
2419 * testsuite/plugin_test_3.sh: Likewise.
2420 * testsuite/plugin_test_4.sh: New test case.
2422 2009-01-07 Ian Lance Taylor <iant@google.com>
2424 * version.cc (version_string): Bump to 1.8.
2426 2008-12-23 Cary Coutant <ccoutant@google.com>
2428 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2429 * plugin.cc (Plugin_manager::finish): Rename as
2430 layout_deferred_objects. Move cleanup to separate function.
2431 (Plugin_manager::cleanup): New function.
2432 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2434 * plugin.h (Plugin_manager::finish): Rename as
2435 layout_deferred_objects.
2436 (Plugin_manager::cleanup): New function.
2437 (Plugin_manager::cleanup_done): New field.
2439 2008-12-23 Cary Coutant <ccoutant@google.com>
2441 * plugin.cc (is_visible_from_outside): New function.
2442 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2443 so we don't return "IR only" status for exported symbols or -r links.
2445 * testsuite/Makefile.am (plugin_test_3): New test case.
2446 * testsuite/Makefile.in: Regenerate.
2447 * testsuite/plugin_test_3.sh: New file.
2449 2008-12-22 Cary Coutant <ccoutant@google.com>
2451 * object.cc (Sized_relobj::layout_section): New function.
2452 (Sized_relobj::do_layout): Defer layout of input sections until after
2453 plugin has provided replacement files.
2454 (Sized_relobj::do_layout_deferred_sections): New function.
2455 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2456 (Relobj::layout_deferred_sections): New function.
2457 (Relobj::do_layout_deferred_sections): New function.
2458 (Sized_relobj::do_layout_deferred_sections): New function.
2459 (Sized_relobj::layout_section): New function.
2460 (Sized_relobj::Deferred_layout): New structure.
2461 (Sized_relobj::deferred_layout_): New field.
2462 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2463 Change all callers. Layout deferred sections.
2464 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2466 (Plugin_hook::run): Move code from do_plugin_hook inline.
2467 (Plugin_hook::do_plugin_hook): Remove.
2468 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2469 (Plugin_manager::finish): Renamed, was cleanup.
2470 (Plugin_manager::should_defer_layout): New function.
2471 (Plugin_manager::add_deferred_layout_object): New function.
2472 (Plugin_manager::Deferred_layout_list): New type.
2473 (Plugin_manager::deferred_layout_objects_): New field.
2474 (Plugin_hook::do_plugin_hook): Remove.
2476 2008-12-17 Ian Lance Taylor <iant@google.com>
2478 * options.h (class General_options): Add --no case for
2481 2008-12-16 Cary Coutant <ccoutant@google.com>
2483 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2485 (Plugin_manager::claim_file): Create plugin object even if
2486 plugin did not call the add_symbols callback.
2487 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2488 asking for more symbols than were added.
2489 * testsuite/Makefile.am (plugin_test_1): Add test case with
2491 (empty.syms): New target.
2492 * testsuite/Makefile.in: Regenerate.
2493 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2494 message. Don't call add_symbols if no globals.
2495 (all_symbols_read_hook): Don't provide replacement for empty
2498 2008-12-12 Ian Lance Taylor <iant@google.com>
2500 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2501 r_type == 0 for a local symbol with r_sym == 0.
2502 (scan_relocatable_relocs): Pass r_sym to
2503 local_non_section_strategy.
2504 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2507 * configure.ac: Update test for TLS descriptors: they are
2508 supported as of glibc 2.9.
2509 * configure: Rebuild.
2511 2008-12-11 Ian Lance Taylor <iant@google.com>
2514 * target-reloc.h (Default_scan_relocatable_relocs): For each
2515 function, map r_type == 0 to RELOC_DISCARD.
2517 2008-12-10 Cary Coutant <ccoutant@google.com>
2519 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2520 object to override a kept COMDAT group from a plugin object.
2522 2008-12-09 Ian Lance Taylor <iant@google.com>
2525 * yyscript.y (file_cmd): Handle INPUT.
2527 * testsuite/initpri1.c: Change all declarations to be full
2528 prototypes by adding void, to avoid compiler warnings.
2530 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
2532 * options.cc (General_options::parse_plugin_opt): New.
2533 (General_options::add_plugin): The argument now is just the filename.
2534 (General_options::add_plugin_option): New.
2535 * options.h (plugin_opt): New.
2536 (add_plugin): Change argument name.
2537 (add_plugin_option): New.
2538 * plugin.cc (Plugin::load): Don't parse the plugin option.
2539 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2540 (Plugin::add_option): New.
2541 (Plugin::args_): Change type.
2542 (Plugin::filename_): New.
2543 (Plugin_manager::add_plugin_option): New.
2544 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2545 * testsuite/Makefile.in: Regenerate.
2547 2008-12-05 Cary Coutant <ccoutant@google.com>
2549 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2550 Handle --strip-lto-sections option.
2551 * options.h (strip_lto_sections): New option.
2553 2008-12-01 Cary Coutant <ccoutant@google.com>
2555 * plugin.cc (ld_plugin_message): Change format parameter to const.
2556 Fix mismatch between new[] and delete.
2558 2008-11-14 Cary Coutant <ccoutant@google.com>
2560 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2563 2008-11-05 Craig Silverstein <csilvers@google.com>
2565 * options.cc (General_options::parse_dynamic_list): New function.
2566 * options.h (General_options): New flags dynamic_list,
2567 dynamic_list_data, dynamic_list_cpp_new, and
2568 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2569 (General_options::in_dynamic_list): New function.
2570 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2571 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2572 (Lex::can_continue_name): Likewise.
2574 (read_script_file): New parameter script_options.
2575 (read_dynamic_list): New function.
2576 (Script_options::define_dynamic_list): New function.
2577 (dynamic_list_keyword_parsecodes): New variable.
2578 (dynamic_list_keywords): New variable.
2579 * script.h (Script_options::define_dynamic_list): New function
2581 (read_dynamic_list): New function prototype.
2582 * symtab.cc (strprefix): New macro.
2583 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2584 dynamic_list_data, dynamic_list_cpp_new, and
2585 dynamic_list_cpp_typeinfo.
2586 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2587 (dynamic_list_expr): New rule.
2588 (dynamic_list_nodes): Likewise.
2589 (dynamic_list_node): Likewise.
2590 * testsuite/Makefile.am (dynamic_list): New test.
2591 * testsuite/Makefile.in: Regenerated.
2592 * testsuite/dynamic_list.t: New file.
2593 * testsuite/dynamic_list.sh: New file.
2595 2008-11-05 Craig Silverstein <csilvers@google.com>
2597 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2598 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2599 (t11_last): Likewise.
2600 * testsuite/ver_test_6.c (main): Likewise.
2602 2008-10-07 Cary Coutant <ccoutant@google.com>
2604 * options.c (General_options::finalize): Add check for -static and
2606 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2609 2008-10-02 Cary Coutant <ccoutant@google.com>
2611 * plugin.cc (make_sized_plugin_object): Fix conditional
2612 compilation to work when not all targets are enabled.
2614 2008-09-29 Cary Coutant <ccoutant@google.com>
2616 * archive.cc (Archive::get_file_and_offset): Use filename instead
2617 of name to get library path.
2618 (Archive::include_member): Unlock external member of a thin archive.
2620 * testsuite/Makefile.am (TEST_AR): New variable.
2621 (thin_archive_test_1): New test.
2622 (thin_archive_test_2): New test.
2623 * testsuite/Makefile.in: Regenerate.
2624 * testsuite/thin_archive_main.cc: New file.
2625 * testsuite/thin_archive_test_1.cc: New file.
2626 * testsuite/thin_archive_test_2.cc: New file.
2627 * testsuite/thin_archive_test_3.cc: New file.
2628 * testsuite/thin_archive_test_4.cc: New file.
2630 2008-09-29 Cary Coutant <ccoutant@google.com>
2632 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2633 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2635 (Sized_relobj::do_finalize_local_symbols): Likewise.
2636 (Sized_relobj::map_to_kept_section): Likewise.
2637 * object.h (Sized_relobj::invalid_address): New constant.
2638 (Sized_relobj::do_output_section_offset): Check for invalid_address
2640 * output.cc (Output_reloc::local_section_offset): Use constant
2641 invalid_address instead of -1U.
2642 (Output_reloc::get_address): Likewise.
2643 (Output_section::output_address): Change -1U to -1ULL.
2644 * output.h (Output_reloc::invalid_address): New constant.
2645 * reloc.cc (Sized_relobj::write_sections): Use constant
2646 invalid_address instead of -1U.
2647 (Sized_relobj::relocate_sections): Likewise.
2648 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2649 values for merge sections.
2650 * target-reloc.h (relocate_for_relocatable): Use constant
2651 invalid_address instead of -1U.
2653 2008-09-19 Cary Coutant <ccoutant@google.com>
2655 Add plugin functionality for link-time optimization (LTO).
2656 * configure.ac (plugins): Add --enable-plugins option.
2657 * configure: Regenerate.
2658 * config.in: Regenerate.
2659 * Makefile.am (LIBDL): New variable.
2660 (CCFILES): Add plugin.cc.
2661 (HFILES): Add plugin.h.
2662 (ldadd_var): Add LIBDL.
2663 * Makefile.in: Regenerate.
2665 * archive.cc: Include "plugin.h".
2666 (Archive::setup): Don't preread archive symbols when using a plugin.
2667 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
2668 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2670 (Archive::include_member): Add symbols from plugin objects.
2671 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2672 * descriptors.cc (Descriptors::open): Check for file descriptors
2673 abandoned by plugins.
2674 (Descriptors::claim_for_plugin): New function.
2675 * descriptors.h (Descriptors::claim_for_plugin): New function.
2676 (Open_descriptor::is_claimed): New field.
2677 (claim_descriptor_for_plugin): New function.
2678 * fileread.cc (File_read::claim_for_plugin): New function.
2679 * fileread.h (File_read::claim_for_plugin): New function.
2680 (File_read::descriptor): New function.
2681 * gold.cc: Include "plugin.h".
2682 (queue_initial_tasks): Add task to call plugin hooks for generating
2684 * main.cc: Include "plugin.h".
2685 (main): Load plugin libraries.
2686 * object.h (Pluginobj): Declare.
2687 (Object::pluginobj): New function.
2688 (Object::do_pluginobj): New function.
2689 (Object::set_target): New function.
2690 * options.cc: Include "plugin.h".
2691 (General_options::parse_plugin): New function.
2692 (General_options::General_options): Initialize plugins_ field.
2693 (General_options::add_plugin): New function.
2694 * options.h (Plugin_manager): Declare.
2695 (General_options): Add --plugin option.
2696 (General_options::has_plugins): New function.
2697 (General_options::plugins): New function.
2698 (General_options::add_plugin): New function.
2699 (General_options::plugins_): New field.
2700 * plugin.cc: New file.
2701 * plugin.h: New file.
2702 * readsyms.cc: Include "plugin.h".
2703 (Read_symbols::do_read_symbols): Check for archive before checking
2704 for ELF file. Call plugin hooks to claim files.
2705 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2706 from a real object file; force override when processing replacement
2708 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2709 (Symbol::init_base_object): Likewise.
2710 (Symbol::init_base_output_data): Likewise.
2711 (Symbol::init_base_output_segment): Likewise.
2712 (Symbol::init_base_constant): Likewise.
2713 (Symbol::init_base_undefined): Likewise.
2714 (Symbol::output_section): Assert that object is not a plugin.
2715 (Symbol_table::add_from_pluginobj): New function.
2716 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2718 (Symbol_table::sized_write_globals): Likewise.
2719 (Symbol_table::add_from_pluginobj): Instantiate template.
2720 * symtab.h (Sized_pluginobj): Declare.
2721 (Symbol::in_real_elf): New function.
2722 (Symbol::set_in_real_elf): New function.
2723 (Symbol::in_real_elf_): New field.
2724 (Symbol_table::add_from_pluginobj): New function.
2726 * testsuite/Makefile.am (AM_CFLAGS): New variable.
2727 (LIBDL): New variable.
2729 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2730 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2731 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2732 (MOSTLYCLEANFILES): Likewise.
2733 * testsuite/Makefile.in: Regenerate.
2734 * testsuite/plugin_test.c: New file.
2735 * testsuite/plugin_test_1.sh: New file.
2736 * testsuite/plugin_test_2.sh: New file.
2738 2008-09-16 Ian Lance Taylor <iant@google.com>
2740 * target-reloc.h (relocate_section): Check whether a symbol is
2741 defined by the ABI before reporting an undefined symbol error.
2742 * target.h (Target::is_defined_by_abi): Make parameter const.
2743 (Target::do_is_defined_by_abi): Likewise.
2744 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2745 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2746 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2747 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2748 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2749 * testsuite/Makefile.in: Rebuild.
2751 * fileread.cc (make_view): Add casts to avoid warning.
2753 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2755 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2756 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2758 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2760 * options.h (General_options::output_is_executable): New.
2761 (General_options::output_is_pie): New.
2762 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2763 for shared libraries.
2764 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2766 2008-09-11 Chris Demetriou <cgd@google.com>
2768 * options.h (origin): New -z option.
2769 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2770 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2773 2008-09-05 Cary Coutant <ccoutant@google.com>
2775 * fileread.cc (File_read::make_view): Add check for attempt to map
2778 2008-09-05 Cary Coutant <ccoutant@google.com>
2780 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2781 explicit instantiations.
2783 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
2786 * options.cc (General_options::finalize): Allow undefined symbols
2787 in shlibs if linking -shared.
2790 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2791 symbols as not needing a dynsym entry.
2793 2008-08-20 Craig Silverstein <csilvers@google.com>
2795 * fileread.cc (File_read::open): Do not lock the file unless it
2796 was successfully opened.
2798 2008-08-14 Cary Coutant <ccoutant@google.com>
2800 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2801 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2802 * testsuite/tls_test.cc (struct int128): 128-bit struct
2803 for testing TLS relocs with non-zero addend.
2804 (v12): New TLS variable.
2806 (t_last): Add check for v12.
2807 * testsuite/tls_test.h (t12): New function.
2808 * testsuite/tls_test_main.cc (thread_routine): Call new test.
2810 2008-08-13 Ian Lance Taylor <iant@google.com>
2812 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2813 set tls_segment_ or relro_segment_.
2814 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2816 * output.h (Output_section::clear_is_relro): New function.
2817 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2818 sections specially even when output_data_ is empty.
2819 (Output_segment::maximum_alignment): When first section is relro,
2820 only force alignment for PT_LOAD segments.
2821 * script.cc (script_data_segment_align): New function.
2822 (script_data_segment_relro_end): New function.
2823 * script-c.h (script_data_segment_align): Declare.
2824 (script_data_segment_relro_end): Declare.
2825 * script-sections.h (class Script_sections): Declare
2826 data_segment_align and data_segment_relro_end. Add fields
2827 segment_align_index_ and saw_relro_end_.
2828 * script-sections.cc (class Sections_element): Add set_is_relro
2829 virtual function. Add new bool* parameter to place_orphan_here.
2830 Add get_output_section virtual function.
2831 (class Output_section_definition): Add set_is_relro. Add new
2832 bool* parameter to place_orphan_here. Add get_output_section.
2833 Add is_relro_ field.
2834 (Output_section_definition::Output_section_definition): Initialize
2835 evaluated_address_, evaluated_load_address, evaluated_addralign_,
2836 and is_relro_ fields.
2837 (Output_section_definition::place_orphan_here): Add is_relro
2839 (Output_section_definition::set_section_addresses): Set relro for
2841 (Output_section_definition::alternate_constraint): Likewise.
2842 (class Orphan_output_section): Add new bool* parameter to
2843 place_orphan_here. Add get_output_section.
2844 (Orphan_output_section::place_orphan_here): Add is_relro
2846 (Script_sections::Script_sections): Initialize
2847 data_segment_align_index_ and saw_relro_end_.
2848 (Script_sections::data_segment_align): New function.
2849 (Script_sections::data_segment_relro_end): New function.
2850 (Script_sections::place_orphan): Set or clear is_relro.
2851 (Script_sections::set_section_addresses): Force alignment of first
2853 * yyscript.y (exp): Call script_data_segment_align and
2854 script_data_segment_relro_end.
2855 * testsuite/relro_script_test.t: New file.
2856 * testsuite/relro_test.cc (using_script): Declare.
2857 (t1, t2): Test using_script.
2858 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
2859 (relro_script_test_SOURCES): Define.
2860 (relro_script_test_DEPENDENCIES): Define.
2861 (relro_script_test_LDFLAGS): Define.
2862 (relro_script_test_LDADD): Define.
2863 (relro_script_test.so): New target.
2864 * testsuite/Makefile.in: Rebuild.
2866 2008-08-06 Cary Coutant <ccoutant@google.com>
2868 * archive.cc (Archive::total_archives, Archive::total_members)
2869 (Archive::total_members_loaded): New variables.
2870 (Archive::setup): Add parameter. Add option to preread
2872 (Archive::read_armap): Add counter.
2873 (Archive::get_file_and_offset): New function.
2874 (Archive::get_elf_object_for_member): New function.
2875 (Archive::read_all_symbols): New function.
2876 (Archive::read_symbols): New function.
2877 (Archive::add_symbols): Add counters.
2878 (Archive::include_all_members): Use armap to find members if it's
2880 (Archive::include_member): Skip reading symbols if already read.
2881 Factored code into Archive::get_file_and_offset and
2882 Archive::get_elf_object_for_member. Changed call to
2883 Mapfile::report_include_archive_member.
2884 (Archive::print_stats): New function.
2885 * archive.h: Declare Object and Read_symbols_data classes.
2886 (Archive::Archive): Add initializers for new members.
2887 (Archive::setup): Add parameter.
2888 (Archive::print_stats): New function.
2889 (Archive::total_archives, Archive::total_members)
2890 (Archive::total_members_loaded): New variables.
2891 (Archive::get_file_and_offset): New function.
2892 (Archive::get_elf_object_for_member): New function.
2893 (Archive::read_all_symbols): New function.
2894 (Archive::read_symbols): New function.
2895 (Archive::Archive_member): New class.
2896 (Archive::members_): New member.
2897 (Archive::num_members_): New member.
2898 * main.cc: Include archive.h.
2899 (main): Call Archive::print_stats.
2900 * mapfile.cc (Mapfile::report_include_archive_member): Delete
2901 archive parameter; member_name is now the fully-decorated name.
2902 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
2903 * options.h: (General_options): Add --preread-archive-symbols option.
2904 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
2907 2008-08-04 Ian Lance Taylor <iant@google.com>
2909 * symtab.h (Symbol::use_plt_offset): New function.
2910 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
2911 * powerpc.cc (Relocate::relocate): Likewise.
2912 * sparc.cc (Relocate::relocate): Likewise.
2913 * x86_64.cc (Relocate::relocate): Likewise.
2914 * testsuite/weak_plt.sh: New test.
2915 * testsuite/weak_plt_main.cc: New test.
2916 * testsuite/weak_plt_shared.cc: New test.
2917 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2918 (check_PROGRAMS): Add weak_plt.
2919 (check_DATA): Add weak_plt_shared.so.
2920 (weak_plt_main_pic.o, weak_plt): New targets.
2921 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2922 * testsuite/Makefile.in: Rebuild.
2924 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2926 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2927 * testsuite/Makefile.in: Rebuild.
2929 2008-08-04 Alan Modra <amodra@bigpond.net.au>
2931 * Makefile.am (POTFILES.in): Set LC_ALL=C.
2932 * Makefile.in: Regenerate.
2933 * po/POTFILES.in: Regenerate.
2935 2008-07-29 Ian Lance Taylor <iant@google.com>
2937 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2938 symbols before other symbols.
2939 * testsuite/script_test_2.cc (test_addr): Declare.
2940 (test_addr_alias): Declare.
2941 (main): Check that test_addr and test_addr_alias have the right
2943 * testsuite/script_test_2.t: Define test_addr_alias and
2946 2008-07-24 Ian Lance Taylor <iant@google.com>
2949 * descriptors.cc: New file.
2950 * descriptors.h: New file.
2951 * gold-threads.h (class Hold_optional_lock): New class.
2952 * fileread.cc: Include "descriptors.h".
2953 (File_read::~File_read): Release descriptor rather than closing
2955 (File_read::open) [file]: Call open_descriptor rather than open.
2956 Set is_descriptor_opened_.
2957 (File_read::open) [memory]: Assert that descriptor is not open.
2958 (File_read::reopen_descriptor): New function.
2959 (File_read::release): Release descriptor.
2960 (File_read::do_read): Make non-const. Reopen descriptor.
2961 (File_read::read): Make non-const.
2962 (File_read::make_view): Reopen descriptor.
2963 (File_read::do_readv): Likewise.
2964 * fileread.h (class File_read): Add is_descriptor_opened_ field.
2965 Update declarations.
2966 * layout.cc: Include "descriptors.h".
2967 (Layout::create_build_id): Use open_descriptor rather than open.
2968 * output.cc: Include "descriptors.h".
2969 (Output_file::open): Use open_descriptor rather than open.
2970 * archive.cc (Archive::const_iterator): Change Archive to be
2972 (Archive::begin, Archive::end): Make non-const.
2973 (Archive::count_members): Likewise.
2974 * archive.h (class Archive): Update declarations.
2975 * object.h (Object::read): Make non-const.
2976 * Makefile.am (CCFILES): Add descriptors.cc.
2977 (HFILES): Add descriptors.h.
2978 * Makefile.in: Rebuild.
2981 * gold.h: Always include <clocale>. Add Solaris workarounds
2982 following code in binutils/sysdep.h.
2985 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2986 this->eh_frame_hdr_ is NULL before using it.
2988 * dynobj.cc (Versions::Versions): Update comment.
2990 * dynobj.cc (Versions::Versions): If there is an soname, use it as
2991 the base version name.
2993 * stringpool.cc (Stringpool_template::add_with_length): Set key to
2994 array size plus one.
2995 (Stringpool_template::set_string_offsets): Subtract one from key
2996 before using it as an array index.
2997 (Stringpool_template::get_offset_with_length): Likewise.
2998 (Stringpool_template::write_to_buffer): Likewise.
2999 * stringpool.h (Stringpool_template::get_offset_from_key):
3002 2008-07-23 Ian Lance Taylor <iant@google.com>
3005 * object.h (Merged_symbol_value::value): Do our best to handle a
3009 * script.cc (Version_script_info::get_versions): Don't add empty
3010 version tag to return value.
3011 (Version_script_info::get_symbol_version_helper): Change return
3012 type to bool. Add pversion parameter. Change all callers.
3013 (script_register_vers_node): Don't require a non-NULL tag.
3014 * script.h (class Version_script_info): Update declarations.
3015 (Version_script_info::get_symbol_version): Change return type to
3016 bool. Add version parameter. Change all callers.
3017 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3018 handling. Handle an empty version from a version script.
3019 (Symbol_table::define_special_symbol): Likewise.
3020 * testsuite/ver_test_10.script: New file.
3021 * testsuite/ver_test_10.sh: New file.
3022 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3023 (check_DATA): Add ver_test_10.syms.
3024 (ver_test_10.syms, ver_test_10.so): New target.
3025 * testsuite/Makefile.in: Rebuild.
3027 2008-07-23 Simon Baldwin <simonb@google.com>
3029 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3030 to zero for undefined symbols from dynamic libraries.
3032 2008-07-23 Ian Lance Taylor <iant@google.com>
3034 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3036 * symtab.h (class Symbol_table): Update declaration.
3037 * testsuite/ver_test_9.cc: New file.
3038 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3039 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3040 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3041 (ver_test_9.so, ver_test_9.o): New targets.
3042 * testsuite/Makefile.in: Rebuild.
3044 2008-07-22 Ian Lance Taylor <iant@google.com>
3046 * options.h (class General_options): Define --check-sections.
3047 * layout.cc (Layout::set_segment_offsets): Handle
3050 * options.h (class General_options): Define -n/--nmagic and
3052 * options.cc (General_options::finalize): For -n/--nmagic or
3053 -N/--omagic, set -static.
3054 * layout.cc (Layout::attach_allocated_section_to_segment): If
3055 -N/--omagic, don't put read-only and read-write sections in
3057 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3058 finding a read-only segment.
3059 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3060 don't set the minimum segment alignment to the common page size,
3061 and don't set the file offset to the address modulo the page size.
3062 * script-sections.cc (Script_sections::create_segments): If
3063 -n/--omagic, don't put read-only and read-write sections in
3066 * cref.cc: New file.
3068 * options.h (class General_options): Add --print-symbol-counts.
3069 * main.cc (main): Issue defined symbol report if requested.
3070 * archive.cc (Archive::interpret_header): Make into a const member
3072 (Archive::add_symbols): Call Input_objects::archive_start and
3074 (Archive::const_iterator): Define new class.
3075 (Archive::begin, Archive::end): New functions.
3076 (Archive::include_all_members): Rewrite to use iterator.
3077 (Archive::count_members): New function.
3078 * archive.h (class Archive): Update declarations.
3079 (Archive::filename): New function.
3080 * object.cc: Include "cref.h".
3081 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3082 (Sized_relobj::do_get_global_symbol_counts): New function.
3083 (Input_objects::add_object): Add object to cross-referencer.
3084 (Input_objects::archive_start): New function.
3085 (Input_objects::archive_stop): New function.
3086 (Input_objects::print_symbol_counts): New function.
3087 * object.h: Declare Cref and Archive.
3088 (Object::get_global_symbol_counts): New function.
3089 (Object::do_get_global_symbol_counts): New pure virtual function.
3090 (class Sized_relobj): Add defined_count_ field. Update
3092 (class Input_objects): Add cref_ field. Update constructor.
3093 Update declarations.
3094 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3096 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3098 (Sized_dynobj::do_get_global_symbol_counts): New function.
3099 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3100 defined_count_. Update declarations. Define Symbols typedef.
3101 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3102 parameter. Change all callers.
3103 (Symbol_table::add_from_dynobj): Add sympointers and defined
3104 parameters. Change all callers.
3105 * symtab.h (class Symbol_table): Update declarations.
3106 * Makefile.am (CCFILES): Add cref.cc.
3107 (HFILES): Add cref.h.
3108 * Makefile.in: Rebuild.
3110 2008-07-22 Simon Baldwin <simonb@google.com>
3112 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3113 to zero when writing undefined symbols.
3115 2008-07-22 Ian Lance Taylor <iant@google.com>
3117 * output.cc (Output_section::add_input_section): Don't try to
3118 merge empty merge sections.
3120 2008-07-21 Craig Silverstein <csilvers@google.com>
3122 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3123 Include symbol version in error message.
3125 2008-07-20 Chris Demetriou <cgd@google.com>
3127 * configure.ac (gold_cv_c_random_seed): New configured variable.
3128 (RANDOM_SEED_CFLAGS): New substituted variable.
3129 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3130 * configure: Rebuild.
3131 * Makefile.in: Likewise.
3132 * testsuite/Makefile.in: Likewise.
3134 2008-07-18 Ian Lance Taylor <iant@google.com>
3136 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3137 where we see NAME/NULL and NAME/VERSION as separate symbols.
3138 * testsuite/ver_test_main.cc (main): Call t4.
3139 (t4, t4_2a): Define.
3140 * testsuite/ver_test_2.cc (t4_2): Define.
3141 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3142 * testsuite/ver_test_4.cc (t4_2a): Define.
3143 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3144 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3146 2008-07-17 Ian Lance Taylor <iant@google.com>
3148 * dynobj.cc (Versions::add_def): If we give an error about a
3149 missing version, go ahead and create the version anyhow.
3151 2008-07-10 Ian Lance Taylor <iant@google.com>
3153 Handle output sections with more than 0x7fffffff bytes.
3154 * object.h (class Relobj): Change map_to_output_ to
3155 output_sections_, and just keep a section pointer. Change all
3156 uses. Move comdat group support to Sized_relobj.
3157 (Relobj::is_section_specially_mapped): Remove.
3158 (Relobj::output_section): Remove poff parameter. Change all
3160 (Relobj::output_section_offset): New function.
3161 (Relobj::set_section_offset): Rewrite.
3162 (Relobj::map_to_output): Remove.
3163 (Relobj::output_sections): New function.
3164 (Relobj::do_output_section_offset): New pure virtual function.
3165 (Relobj::do_set_section_offset): Likewise.
3166 (class Sized_relobj): Add section_offsets_ field. Add comdat
3167 group support from Relobj. Update declarations.
3168 (Sized_relobj::get_output_section_offset): New function.
3169 (Sized_relobj::do_output_section_offset): New function.
3170 (Sized_relobj::do_set_section_offset): New function.
3171 * object.cc (Relobj::output_section_address): Remove.
3172 (Sized_relobj::Sized_relobj): Initialize new fields.
3173 (Sized_relobj::include_section_group): Cast find_kept_object to
3175 (Sized_relobj::include_linkonce_section): Likewise.
3176 (Sized_relobj::do_layout): Use separate arrays for output section
3178 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3180 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3181 output_sections and section_offsets.
3182 (Sized_relobj::write_local_symbols): Likewise.
3183 (map_to_kept_section): Compute output address directly.
3184 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3185 output_sections and section_offsets.
3186 (Sized_relobj::write_sections): Likewise.
3187 (Sized_relobj::relocate_sections): Likewise.
3188 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3189 * output.h (class Output_reloc): Update declarations. Change
3190 u2_.relobj to Sized_relobj*.
3191 (class Output_data_reloc): Change add functions to use
3193 * output.cc (Output_reloc::Output_reloc): Change relobj to
3195 (Output_reloc::local_section_offset): Change return type to
3196 Elf_Addr. Use get_output_section_offset.
3197 (Output_reloc::get_address): Likewise.
3198 (Output_section::is_input_address_mapped): Don't call
3199 is_section_specially_mapped.
3200 (Output_section::output_offset): Likewise.
3201 (Output_section::output_address): Likewise.
3202 (Output_section::starting_output_address): Likewise.
3203 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3204 parameter to Sized_relobj*.
3205 (Copy_relocs::need_copy_reloc): Likewise.
3206 (Copy_relocs::save): Likewise.
3207 * copy-relocs.h (class Copy_relocs): Update declarations.
3208 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3209 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3210 * target-reloc.h (relocate_for_relocatable): Change
3211 offset_in_output_section type to Elf_Addr. Change code that uses
3213 * layout.cc (Layout::layout): Always set *off.
3214 * mapfile.cc (Mapfile::print_input_section): Use
3215 output_section_offset.
3216 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3218 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3219 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3220 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3222 2008-07-03 Ian Lance Taylor <iant@google.com>
3224 * layout.cc (Layout::include_section): Do not discard unrecognized
3225 SHT_STRTAB sections.
3227 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3229 * script.cc (Lex::can_continue_name): Make '?' allowable in
3230 version-script names.
3231 * testsuite/version_script.map: Change glob pattern to use '?'
3233 2008-06-30 Manish Singh <yosh@gimp.org>
3236 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3239 2008-06-30 Ian Lance Taylor <iant@google.com>
3243 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3244 versions]: Don't try to read the value in the contents, since we
3245 don't use it. Use the template endianness when writing.
3247 2008-06-25 Cary Coutant <ccoutant@google.com>
3249 * fileread.cc (File_read::make_view): Assert on zero-length view.
3250 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3251 symbol table when there are no symbols to read.
3253 2008-06-23 Craig Silverstein <csilvers@google.com>
3255 * version.cc (version_string): Bump to 1.7
3257 2008-06-18 Craig Silverstein <csilvers@google.com>
3259 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3260 constant 0xFFFF to type Valtype.
3261 (Powerpc_relocate_functions::rel16_ha): Likewise.
3263 2008-06-17 Ian Lance Taylor <iant@google.com>
3265 * output.h (Output_section::Input_section): Initialize p2align_ to
3266 zero for Output_section_data constructors.
3267 (Output_section::Input_section::addralign): If not an input
3268 section, return the alignment of the Output_section_data.
3269 * testsuite/copy_test.cc: New file.
3270 * testsuite/copy_test_1.cc: New file.
3271 * testsuite/copy_test_2.cc: New file.
3272 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3273 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3274 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3275 (copy_test_1_pic.o, copy_test_1.so): New targets.
3276 (copy_test_2_pic.o, copy_test_2.so): New targets.
3277 * testsuite/Makefile.in: Rebuild.
3279 * script-sections.cc (Script_sections::place_orphan): Initialize
3280 local variable exact.
3282 2008-06-13 David Edelsohn <edelsohn@gnu.org>
3284 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3286 2008-06-12 David Edelsohn <edelsohn@gnu.org>
3287 David S. Miller <davem@davemloft.net>
3289 * powerpc.cc: New file.
3290 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3291 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3292 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3293 * Makefile.in: Rebuild.
3295 2008-06-09 Ian Lance Taylor <iant@google.com>
3297 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3299 (throwing, orig_terminate): New static variables.
3300 (terminate_handler): New static function.
3301 (t2): Set terminate handler.
3303 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3306 * binary.cc (Binary_to_elf::sized_convert): Fix .data
3309 2008-05-30 Cary Coutant <ccoutant@google.com>
3311 * archive.cc (Archive::include_all_members) Correct to step
3312 over symbol table and extended name table in thin archives.
3314 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3317 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3320 2008-05-28 Caleb Howe <cshowe@google.com>
3322 * reduced_debug_output.cc: New file.
3323 * reduced_debug_output.h: New file.
3324 * options.h (class General_options): Add --strip-debug-non-line.
3325 * options.cc (General_options::finalize): Add strip_debug_non_line
3326 to the strip heirarchy.
3327 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3329 * layout.cc: Include "reduced_debug_output.h".
3330 (Layout::Layout): Initialize new fields.
3331 (line_only_debug_sections): New static array.
3332 (is_lines_only_debug_sections): New static inline function.
3333 (Layout::include_section): Handle --strip-debug-non-line.
3334 (Layout::make_output_section): If --strip-debug-non-line, build
3335 new output sections for .debug_abbrev and .debug_info.
3336 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3337 gold. Warn about possible overflow.
3338 (read_signed_LEB_128): Likewise.
3339 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3340 (read_signed_LEB_128): Declare.
3341 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3342 (HFILES): Add reduced_debug_output.h.
3343 * Makefile.in: Rebuild.
3345 2008-05-21 Ian Lance Taylor <iant@google.com>
3347 * mapfile.cc: New file.
3348 * mapfile.h: New file.
3349 * options.h (class General_options): Add -M/--print-map and -Map.
3350 * options.cc (General_options::finalize): Make -M equivalent to
3352 * main.cc: Include <cstdio> and "mapfile.h".
3353 (main): Open mapfile if requested.
3354 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3355 constructor. Change caller.
3356 (queue_initial_tasks): Add mapfile parameter. Change caller.
3357 (queue_middle_tasks): Likewise.
3358 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3360 * archive.cc: Include "mapfile.h".
3361 (Archive::add_symbols): Add mapfile parameter. Change all
3362 callers. Pass mapfile, symbol, and reason to include_member.
3363 (Archive::include_all_members): Add mapfile parameter. Change all
3365 (Archive::include_member): Add mapfile, sym, and why parameters.
3366 Change all callers. Report inclusion to map file.
3367 * archive.h: Include "fileread.h".
3368 (class Archive): Update declarations.
3369 (Archive::file): New const method.
3370 (class Add_archive_symbols): Add mapfile_ field. Update
3371 constructor. Change all callers.
3372 * readsyms.h (class Read_symbols): Likewise.
3373 (class Finish_group): Likewise.
3374 (class Read_script): Likewise.
3375 * common.cc: Include "mapfile.h".
3376 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3378 (Symbol_table::do_allocate_commons): Likewise.
3379 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3380 symbol allocation to mapfile.
3381 * common.h (class Allocate_commons_task): Add mapfile_ field.
3382 Update constructor. Change all callers.
3383 * symtab.h (class Symbol_table): Update declarations.
3384 * layout.cc: Include "mapfile.h".
3385 (Layout_task_runner::run): Print information to mapfile.
3386 (Layout::create_gold_note): Change Output_data_fixed_space to
3387 Output_data_zero_fill.
3388 (Layout::create_build_id): Likewise.
3389 (Layout::print_to_mapfile): New function.
3390 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3391 constructor. Change caller.
3392 (class Layout): Declare print_to_mapfile.
3393 * output.cc (Output_section::Input_section::print_to_mapfile): New
3395 (Output_section::add_input_section): If producing a map, always
3396 add to input_sections_ list.
3397 (Output_section::do_print_to_mapfile): New function.
3398 (Output_segment::print_sections_to_mapfile): New function.
3399 (Output_segment::print_section_list_to_mapfile): New function.
3400 * output.h: Include "mapfile.h".
3401 (Output_data::print_to_mapfile): New function.
3402 (Output_data::do_print_to_mapfile): New virtual function.
3403 (Output_segment_headers::do_print_to_mapfile): New function.
3404 (Output_file_header::do_print_to_mapfile): New function.
3405 (Output_data_const::do_print_to_mapfile): New function.
3406 (class Output_data_const_buffer): Add map_name_ field. Update
3407 constructor. Change all callers. Add do_print_to_mapfile
3409 (class Output_data_fixed_space): Likewise.
3410 (class Output_data_space): Likewise.
3411 (class Output_data_zero_fill): New class.
3412 (Output_data_strtab::do_print_to_mapfile): New function.
3413 (Output_data_reloc_base::do_print_to_mapfile): New function.
3414 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3415 (Output_data_group::do_print_to_mapfile): New function.
3416 (Output_data_got::do_print_to_mapfile): New function.
3417 (Output_data_dynamic::do_print_to_mapfile): New function.
3418 (Output_symtab_xindex::do_print_to_mapfile): New function.
3419 (class Output_section): Declare do_print_to_mapflie. Declare
3420 print_to_mapfile in Input_section.
3421 (class Output_segment): Declare new functions.
3422 * object.h (Sized_relobj::symbol_count): New function.
3423 * script-sections.cc
3424 (Output_section_element_dot_assignment::set_section_addresses):
3425 Change Output_data_fixed_space to Output_data_zero_fill.
3426 (Output_data_expression::do_print_to_mapfile): New function.
3427 * script.cc (read_input_script): Add mapfile parameter. Change
3429 * script.h (read_input_script): Update declaration.
3430 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3431 (Eh_frame::do_print_to_mapfile): New function.
3432 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3433 (Output_merge_string::do_print_to_mapfile): New function.
3434 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3436 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3438 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3440 * Makefile.am (CCFILES): Add mapfile.cc.
3441 (HFILES): Add mapfile.h.
3442 * Makefile.in: Rebuild.
3444 2008-05-19 Ian Lance Taylor <iant@google.com>
3446 * options.h (class General_options): Add -z relro.
3447 * layout.cc (Layout::Layout): Initialize relro_segment_.
3448 (Layout::add_output_section_data): Return the output section.
3449 (Layout::make_output_section): Rcognize relro sections and mark
3451 (Layout::attach_allocated_section_to_segment): Put relro sections
3452 in a PT_GNU_RELRO segment.
3453 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3455 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3457 (Layout::linkonce_mapping): Map d.rel.ro.local to
3459 (Layout::output_section_name): Us .data.rel.ro.local for any
3460 section which begins with that.
3461 * layout.h (class Layout): Update add_output_section_data
3462 declaration. Add relro_segment_ field.
3463 * output.cc (Output_section::Output_section): Initialize is_relro_
3464 and is_relro_local_ fields.
3465 (Output_segment::add_output_section): Group relro sections.
3466 (Output_segment::is_first_section_relro): New function.
3467 (Output_segment::maximum_alignment): If there is a relro section,
3468 align the segment to the common page size.
3469 (Output_segment::set_section_addresses): Track whether we are
3470 looking at relro sections. If the last section is a relro
3471 section, align to the common page size.
3472 (Output_segment::set_section_list_addresses): Add in_relro
3473 parameter. Change all callers. Align to the page size when
3474 moving from relro to non-relro section.
3475 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3477 * output.h (class Output_section): Add is_relro_ and
3478 is_relro_local_ fields.
3479 (Output_section::is_relro): New function.
3480 (Output_section::set_is_relro): New function.
3481 (Output_section::is_relro_local): New function.
3482 (Output_section::set_is_relro_local): New function.
3483 (class Output_segment): Update declarations.
3484 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3485 * sparc.cc (Target_sparc::got_section): Likewise.
3486 * x86_64.cc (Target_x86_64::got_section): Likewise.
3487 * testsuite/relro_test_main.cc: New file.
3488 * testsuite/relro_test.cc: New file.
3489 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3490 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3491 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3492 (relro_test.so, relro_test_pic.o): New targets.
3493 * testsuite/Makefile.in: Rebuild.
3495 2008-05-16 Ian Lance Taylor <iant@google.com>
3497 * output.cc (Output_segment::add_output_section): Remove front
3499 * output.h (class Output_segment): Remove
3500 add_initial_output_section and overloaded add_output_section.
3501 Update declaration of remaining add_output_section.
3502 * layout.cc (Layout::create_interp): Call add_output_section
3503 rather than add_initial_output_section.
3504 (Layout::finish_dynamic_section): Likewise.
3506 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3507 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3508 know the dynamic type.
3509 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3510 field. Initialize it in constructor.
3511 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3512 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3513 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3516 * output.cc (Output_reloc::get_address): Change return type to
3518 * output.h (class Output_reloc): Update get_address declaration.
3519 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3520 for section addresses.
3522 2008-05-09 Ian Lance Taylor <iant@google.com>
3525 * gold.cc (gold_nomem): Use return value of write.
3527 2008-05-08 Ian Lance Taylor <iant@google.com>
3529 * symtab.c (Symbol::init_base_output_data): Add version
3530 parameter. Change all callers.
3531 (Symbol::init_base_output_segment): Likewise.
3532 (Symbol::init_base_constant): Likewise.
3533 (Symbol::init_base_undefined): Likewise.
3534 (Sized_symbol::init_output_data): Likewise.
3535 (Sized_symbol::init_output_segment): Likewise.
3536 (Sized_symbol::init_constant): Likewise.
3537 (Sized_symbol::init_undefined): Likewise.
3538 (Symbol_table::do_define_in_output_data): If the new symbol has a
3539 version, mark it as the default.
3540 (Symbol_table::do_define_in_output_segment): Likewise.
3541 (Symbol_table::do_define_as_constant): Likewise.
3542 * symtab.h (class Symbol): Update declarations.
3543 (class Sized_symbol): Likewise.
3544 * resolve.cc (Symbol::override_version): New function.
3545 (Symbol::override_base): Call override_version.
3546 (Symbol::override_base_with_special): Likewise.
3547 * testsuite/ver_script_8.script: New file.
3548 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3549 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3550 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3551 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3553 2008-05-06 Ian Lance Taylor <iant@google.com>
3556 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3558 (class General_options): Remove existing --undefined, and add
3559 --no-undefined instead. Add new --undefined as synonym for -u.
3560 * archive.cc (Archive::add_symbols): Check whether symbol was
3562 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3563 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3564 all uses. Add IS_UNDEFINED. Update declarations to split
3565 different versions of init_base. Declare init_base_undefined.
3566 (Symbol::is_defined): Handle IS_UNDEFINED.
3567 (Symbol::is_undefined): Likewise.
3568 (Symbol::is_weak_undefined): Call is_undefined.
3569 (Symbol::is_absolute): Handle IS_CONSTANT.
3570 (class Sized_symbol): Update declarations to split different
3571 versions of init. Declare init_undefined.
3572 (class Symbol_table): Declare new functions.
3573 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3575 (Symbol::init_base_output_data): Likewise.
3576 (Symbol::init_base_output_segment): Likewise.
3577 (Symbol::init_base_constant): Likewise.
3578 (Symbol::init_base_undefined): New function.
3579 (Sized_symbol::init_object): Rename from init. Change all
3581 (Sized_symbol::init_output_data): Likewise.
3582 (Sized_symbol::init_output_segment): Likewise.
3583 (Sized_symbol::init_constant): Likewise.
3584 (Sized_symbol::init_undefined): New function.
3585 (Symbol_table::add_undefined_symbols_from_command_line): New
3587 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3589 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3590 (Symbol::output_section): Likewise.
3591 (Symbol::set_output_section): Likewise.
3592 (Symbol_table::sized_finalize_symbol): Likewise.
3593 (Symbol_table::sized_write_globals): Likewise.
3594 * resolve.cc (Symbol_table::should_override): Likewise.
3595 (Symbol::override_base_with_special): Likewise.
3597 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3598 symbol, change it to have default visibility.
3599 * testsuite/protected_1.cc: New file.
3600 * testsuite/protected_2.cc: New file.
3601 * testsuite/protected_3.cc: New file.
3602 * testsuite/protected_main_1.cc: New file.
3603 * testsuite/protected_main_2.cc: New file.
3604 * testsuite/protected_main_3.cc: New file.
3605 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3606 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3607 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3608 (protected_1.so): New target.
3609 (protected_1_pic.o, protected_2_pic.o): New targets.
3610 (protected_3_pic.o): New target.
3611 (check_PROGRAMS): Add protected_2.
3612 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3613 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3614 * testsuite/Makefile.in: Rebuild.
3616 * options.h (DEFINE_var): Add set_user_set_##varname__.
3617 (DEFINE_bool_alias): New macro.
3618 (class General_options): Define -Bstatic using DEFINE_bool_alias
3619 rather than DEFINE_special. Add --undefined as an alias for -z
3621 * options.cc (General_options::parse_Bstatic): Remove.
3623 * options.h (class General_options): Add --fatal-warnings.
3624 * main.cc (main): Implement --fatal-warnings.
3625 * errors.h (Errors::warning_count): New function.
3627 * options.h (class General_options): Add -Bsymbolic-functions.
3628 * symtab.h (Symbol::is_preemptible): Check for
3629 -Bsymbolic-functions.
3631 2008-05-05 Ian Lance Taylor <iant@google.com>
3633 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3634 as noVARNAME rather than no-VARNAME.
3635 (class General_options): Add option -z combreloc.
3636 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3638 (Output_reloc::sort_before) [SHT_REL]: New function.
3639 (Output_reloc::sort_before) [SHT_RELA]: New function.
3640 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3641 Sort_relocs_comparison.
3642 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3643 parameter. Change all callers.
3644 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3645 sort_relocs parameter. Change all callers.
3646 * output.cc (Output_reloc::get_address): New function, broken out
3648 (Output_reloc::write_rel): Call it.
3649 (Output_reloc::compare): New function.
3650 (Output_data_reloc_base::do_write): Optionally sort relocs.
3652 * configure.ac: If targ_extra_obj is set, link it in.
3653 * configure.tgt: Initialize all variables.
3654 (x86_64*): Set targ_extra_obj and targ_extra_size.
3655 * configure: Rebuild.
3657 * object.cc (Sized_relobj::include_section_group): Adjust section
3658 indexes read from group data. Build vector to pass to
3660 * layout.cc (Layout::layout_group): Add flags and shndxes
3661 parameters. Remove contents parameter. Change caller. Update
3662 explicit instantiations.
3663 * layout.h (class Layout): Update layout_group declaration.
3664 * output.cc (Output_data_group::Output_data_group): Add flags and
3665 input_shndxes parameters. Remove contents parameter. Change
3667 (Output_data_group::do_write): Change input_sections_ to
3669 * output.h (class Output_data_group): Update constructor
3670 declaration. Rename input_sections_ to input_shndxes_.
3671 * testsuite/many_sections_test.cc: Add template.
3673 2008-04-30 Cary Coutant <ccoutant@google.com>
3675 * target-reloc.h (relocate_section): Fix dead-pointer bug.
3677 * layout.cc (Layout::include_section): Refactored check for debug
3679 (Layout::add_comdat): Add new parameters. Change type
3680 of signature parameter. Add object and shndx to signatures table.
3681 (Layout::find_kept_object): New function.
3682 * layout.h: Include <cstring>.
3683 (Layout::is_debug_info_section): New function.
3684 (Layout::add_comdat): Add new parameters.
3685 (Layout::find_kept_object): New function.
3686 (Layout::Kept_section): New struct.
3687 (Layout::Signatures): Change type of map range.
3688 * object.cc (Relobj::output_section_address): New function.
3689 (Sized_relobj::include_section_group): Add new parameters. Change
3690 calls to Layout::add_comdat. Change to build table of kept comdat
3691 groups and table mapping discarded sections to kept sections.
3692 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
3693 (Sized_relobj::do_layout): Change calls to include_section_group and
3694 include_linkonce_section.
3695 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3696 value to zero when section is discarded.
3697 (Sized_relobj::map_to_kept_section): New function.
3698 * object.h (Relobj::output_section_address): New function.
3699 (Relobj::Comdat_group): New type.
3700 (Relobj::find_comdat_group): New function.
3701 (Relobj::Comdat_group_table): New type.
3702 (Relobj::Kept_comdat_section): New type.
3703 (Relobj::Kept_comdat_section_table): New type.
3704 (Relobj::add_comdat_group): New function.
3705 (Relobj::set_kept_comdat_section): New function.
3706 (Relobj::get_kept_comdat_section): New function.
3707 (Relobj::comdat_groups_): New field.
3708 (Relobj::kept_comdat_sections_): New field.
3709 (Symbol_value::input_value): Update comment.
3710 (Sized_relobj::map_to_kept_section) New function.
3711 (Sized_relobj::include_linkonce_section): Add new parameter.
3712 * target-reloc.h (Comdat_behavior): New type.
3713 (get_comdat_behavior): New function.
3714 (relocate_section): Add code to map a discarded section to the
3715 corresponding kept section when applying a relocation.
3717 2008-04-30 Craig Silverstein <csilvers@google.com>
3719 * dwarf_reader.cc (next_generation_count): New static var.
3720 (Addr2line_cache_entry): New struct.
3721 (addr2line_cache): New static var.
3722 (Dwarf_line_info::one_addr2line): Added caching.
3723 (Dwarf_line_info::clear_addr2line_cache): New function.
3724 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3725 cache-size parameter.
3726 (Dwarf_line_info::one_addr2line_cache): New function.
3727 * symtab.cc (Symbol_table::detect_odr_violations): Pass
3728 new cache-size argument to one_addr2line(), and clear cache.
3730 2008-04-28 Cary Coutant <ccoutant@google.com>
3732 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3733 R_386_PC8 relocations.
3735 2008-04-23 Ian Lance Taylor <iant@google.com>
3737 * object.cc (Sized_relobj::include_section_group): Check for
3738 invalid section group.
3740 * object.cc (make_elf_object): Correct test for 64-bit ELF file
3743 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3744 than read for file header.
3745 * archive.cc (Archive::include_member): Likewise.
3747 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
3749 * aclocal.m4: Regenerate.
3750 * configure: Regenerate.
3752 2008-04-19 Ian Lance Taylor <iant@google.com>
3754 * version.cc (version_string): Bump to 1.6.
3756 * testsuite/Makefile.am (many_sections_r_test): New target.
3757 (many_sections_r_test_SOURCES): Remove.
3758 (many_sections_r_test_DEPENDENCIES): Remove.
3759 (many_sections_r_test_LDFLAGS): Remove.
3760 (many_sections_r_test_LDADD): Remove.
3762 * object.cc (Sized_relobj::do_add_symbols): Always pass
3763 local_symbol_count_ to add_from_relobj.
3765 * testsuite/Makefile.am (many_sections_check.h): Only check one in
3766 every thousand variables.
3767 * testsuite/Makefile.in: Rebuild.
3769 * object.cc (Xindex::initialize_symtab_xindex): New function.
3770 (Xindex::read_symtab_xindex): New function.
3771 (Xindex::sym_xindex_to_shndx): New function.
3772 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3774 (Sized_relobj::do_initialize_xindex): New function.
3775 (Sized_relobj::do_read_symbols): Adjust section links.
3776 (Sized_relobj::symbol_section_and_value): Add is_ordinary
3777 parameter. Change all callers.
3778 (Sized_relobj::include_section_group): Adjust section links and
3779 symbol section indexes.
3780 (Sized_relobj::do_layout): Adjust section links.
3781 (Sized_relobj::do_count_local_symbols): Adjust section links and
3782 symbol section indexes.
3783 (Sized_relobj::do_finalize_local_symbols): Distinguish between
3784 ordinary and special symbols.
3785 (Sized_relobj::write_local_symbols): Add symtab_xindex and
3786 dynsym_xindex parameters. Change all callers. Adjust section
3787 links. Use SHN_XINDEX when needed.
3788 (Sized_relobj::get_symbol_location_info): Adjust section links.
3789 Don't get fooled by special symbols.
3790 * object.h (class Xindex): Define.
3791 (class Object): Add xindex_ parameter. Declare virtual functoin
3792 do_initialize_xindex.
3793 (Object::adjust_sym_shndx): New function.
3794 (Object::set_xindex): New protected function.
3795 (class Symbol_value): Add is_ordinary_shndx_ field.
3796 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3797 (Symbol_value::value): Assert ordinary section.
3798 (Symbol_value::initialize_input_to_output_map): Likewise.
3799 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3801 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
3803 (class Sized_relobj): Update declarations.
3804 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3805 parameter. Change all callers.
3806 (Sized_relobj::adjust_shndx): New function.
3807 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3809 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3810 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
3811 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
3812 (Sized_dynobj::read_dynsym_section): Adjust section links.
3813 (Sized_dynobj::read_dynamic): Likewise.
3814 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
3816 (Sized_dynobj::do_initialize_xindex): New function.
3817 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
3818 do_initialize_xindex.
3819 (Sized_dynobj::adjust_shndx): New function.
3820 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3821 dynsym_xindex_ fields.
3822 (Layout::finalize): Add a call to set_section_indexes before
3823 creating the symtab sections.
3824 (Layout::set_section_indexes): Don't do anything if the section
3825 already has a section index.
3826 (Layout::create_symtab_sections): Add shnum parameter. Change
3827 caller. Create .symtab_shndx section if needed.
3828 (Layout::create_shdrs): Add shstrtab_section parameter. Change
3830 (Layout::allocated_output_section_count): New function.
3831 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3833 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3834 fields. Update declarations.
3835 (Layout::symtab_xindex): New function.
3836 (Layout::dynsym_xindex): New function.
3837 (class Write_symbols_task): Add layout_ field.
3838 (Write_symbols_task::Write_symbols_task): Add layout parameter.
3840 * output.cc (Output_section_headers::Output_section_headers): Add
3841 shstrtab_section parameter. Change all callers.
3842 (Output_section_headers::do_sized_write): Store overflow values
3843 for section count and section string table section index in
3844 section header zero.
3845 (Output_file_header::do_sized_write): Check for overflow of
3846 section count and section string table section index.
3847 (Output_symtab_xindex::do_write): New function.
3848 (Output_symtab_xindex::endian_do_write): New function.
3849 * output.h (class Output_section_headers): Add shstrtab_section_.
3850 Update declarations.
3851 (class Output_symtab_xindex): Define.
3852 (Output_section::has_out_shndx): New function.
3853 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3855 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3857 (Sized_symbol::init): Likewise.
3858 (Symbol::output_section): Check for ordinary symbol.
3859 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
3860 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
3862 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
3863 Change all callers. Simplify handling of symbols from sections
3864 not included in the link.
3865 (Symbol_table::add_from_dynobj): Handle ordinary symbol
3867 (Weak_alias_sorter::operator()): Assert that symbols are
3869 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
3871 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
3872 parameters. Change all callers.
3873 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
3874 symbol distinction. Use SHN_XINDEX when needed.
3875 (Symbol_table::write_section_symbol): Add symtab_xindex
3876 parameter. Change all callers.
3877 (Symbol_table::sized_write_section_symbol): Likewise. Use
3878 SHN_XINDEX when needed.
3879 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
3881 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
3882 (Symbol::is_defined): Check is_ordinary.
3883 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
3884 (Symbol::is_absolute, Symbol::is_common): Likewise.
3885 (class Sized_symbol): Update declarations.
3886 (class Symbol_table): Update declarations.
3887 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
3888 parameters. Change all callers.
3889 (Sized_symbol::override): Likewise.
3890 (Symbol_table::override): Likewise.
3891 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
3892 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
3893 is_ordinary, and orig_st_shndx parameters. Change all callers.
3894 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
3895 to be in an ordinary section.
3896 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
3897 object and is_ordinary parameters. Change all callers.
3898 (Sized_dwarf_line_info::read_relocs): Add object parameter.
3899 Change all callers. Don't add undefined or non-ordinary symbols
3901 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
3903 * dwarf_reader.h (class Sized_dwarf_line_info): Update
3905 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
3906 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
3907 (Sized_relobj::relocate_sections): Likewise.
3908 * target-reloc.h (scan_relocs): Adjust section symbol index.
3909 (scan_relocatable_relocs): Likewise.
3910 * i386.cc (Scan::local): Check for ordinary symbols.
3911 * sparc.cc (Scan::local): Likewise.
3912 * x86_64.cc (Scan::local): Likewise.
3913 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
3914 to symbol_section_and_value.
3915 * testsuite/many_sections_test.cc: New file.
3916 * testsuite/Makefile.am (BUILT_SOURCES): Define.
3917 (check_PROGRAMS): Add many_sections_test.
3918 (many_sections_test_SOURCES): Define.
3919 (many_sections_test_DEPENDENCIES): Define.
3920 (many_sections_test_LDFLAGS): Define.
3921 (BUILT_SOURCES): Add many_sections_define.h.
3922 (many_sections_define.h): New target.
3923 (BUILT_SOURCES): Add many_sections_check.h.
3924 (many_sections_check.h): New target.
3925 (check_PROGRAMS): Add many_sections_r_test.
3926 (many_sections_r_test_SOURCES): Define.
3927 (many_sections_r_test_DEPENDENCIES): Define.
3928 (many_sections_r_test_LDFLAGS): Define.
3929 (many_sections_r_test_LDADD): Define.
3930 (many_sections_r_test.o): New target.
3931 * testsuite/Makefile.in: Rebuild.
3933 2008-04-17 Cary Coutant <ccoutant@google.com>
3935 * errors.cc (Errors::info): New function.
3936 (gold_info): New function.
3937 * errors.h (Errors::info): New function.
3938 * gold.h (gold_info): New function.
3939 * object.cc (Input_objects::add_object): Print trace output.
3940 * options.cc (options::parse_set): New function.
3941 (General_options::parse_wrap): Deleted.
3942 (General_options::General_options): Deleted initializer.
3943 * options.h (options::String_set): New typedef.
3944 (options::parse_set): New function.
3945 (DEFINE_set): New macro.
3946 (General_options::wrap): Changed to use DEFINE_set. Changed
3947 callers of any_wrap_symbols and is_wrap_symbol.
3948 (General_options::trace, General_options::trace_symbol):
3950 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3951 (General_options::wrap_symbols_): Deleted.
3952 * symtab.cc (Symbol_table::add_from_object): Print trace output.
3954 2008-04-17 David S. Miller <davem@davemloft.net>
3956 * options.cc (General_options::parse_V): New function.
3957 * options.h: Add entries for -V and -Qy.
3959 2008-04-17 Ian Lance Taylor <iant@google.com>
3961 * common.cc (Symbol_table::allocate_commons): Remove options
3962 parameter. Change caller.
3963 (Symbol_table::do_allocate_commons): Remove options parameter.
3964 Change caller. Just call do_allocate_commons_list twice.
3965 (Symbol_table::do_allocate_commons_list): New function, broken out
3966 of do_allocate_commons.
3967 * common.h (class Allocate_commons_task): Remove options_ field.
3969 * symtab.cc (Symbol_table::Symbol_table): Initialize
3971 (Symbol_table::add_from_object): Put TLS common symbols on
3973 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3974 which are IN_OUTPUT_DATA.
3975 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
3976 allocate_commons and do_allocate_commons declarations. Declare
3977 do_allocate_commons_list.
3978 * gold.cc (queue_middle_tasks): Update creation of
3979 Allocate_commons_task to not pass options.
3980 * testsuite/Makefile.am (INCLUDES): Add -I.. .
3981 (TLS_TEST_C_FLAGS): New variable.
3982 (tls_test_c_pic.o): New target.
3983 (tls_test_shared.so): Link in tls_test_c_pic.o.
3984 (tls_test_c_pic_ie.o): New target.
3985 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3986 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3987 (tls_test_c.o): New target.
3988 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3989 (tls_pic_test_LDADD): Likewise.
3990 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3991 (tls_shared_gd_to_ie_test_LDADD): Likewise.
3992 (tls_test_c_gnu2.o): New target.
3993 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3995 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3996 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3997 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3998 * testsuite/tls_test.cc: Include "config.h".
3999 (t_last): Call t11_last.
4000 * testsuite/tls_test.h (t11, t11_last): Declare.
4001 * testsuite/tls_test_c.c: New file.
4002 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4003 * configure.ac: Check for OpenMP support.
4004 * configure, config.in, Makefile.in: Rebuild.
4005 * testsuite/Makefile.in: Rebuild.
4007 2008-04-16 Cary Coutant <ccoutant@google.com>
4009 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4010 (Target_i386::tls_base_symbol_defined_): New field.
4011 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4012 (Target_i386::Scan::global): Likewise.
4013 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4014 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4015 (Target_x86_64::tls_base_symbol_defined_): New field.
4016 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4017 (Target_x86_64::Scan::global): Likewise.
4019 2008-04-16 Cary Coutant <ccoutant@google.com>
4021 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4022 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4023 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4024 building shared libraries.
4025 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4026 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4027 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4028 * testsuite/Makefile.in: Rebuild.
4029 * testsuite/weak_undef.h: New file.
4030 * testsuite/weak_undef_file1.cc: Add extra test cases.
4031 * testsuite/weak_undef_file2.cc: Likewise.
4032 * testsuite/weak_undef_test.cc: Likewise.
4034 2008-04-16 David S. Miller <davem@davemloft.net>
4036 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4037 Add issued_non_pic_error_ field. Declare check_non_pic.
4038 (Target_sparc::Scan::check_non_pic): New function.
4039 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4040 (Target_sparc::Scan::global): Likewise.
4042 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4043 * configure: Rebuild.
4045 * options.h (DEFINE_enable): New macro.
4046 (new_dtags): New enable option.
4047 (initfirst, interpose, loadfltr, nodefaultlib,
4048 nodelete, nodlopen, nodump): New -z options.
4049 * layout.cc (Layout:finish_dynamic_section): If new
4050 dtags enabled, emit DT_RUNPATH. Also, emit a
4051 DT_FLAGS_1 containing any specified -z flags.
4053 2008-04-16 Ian Lance Taylor <iant@google.com>
4055 * copy-relocs.cc: New file.
4056 * copy-relocs.h: New file.
4057 * reloc.cc: Remove Copy_relocs code.
4058 * reloc.h: Likewise.
4059 * reloc-types.h (struct Reloc_types) [both versions]: Add
4060 get_reloc_addend_noerror.
4061 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4062 variants of add_global which take an addend which must be zero.
4063 * i386.cc: Include "copy-relocs.h".
4064 (class Target_i386): Change type of copy_relocs_ to variable,
4066 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4068 (Target_i386::do_finalize_sections): Change handling of
4070 * sparc.cc: Include "copy-relocs.h".
4071 (class Target_sparc): Change type of copy_relocs_ to variable,
4073 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4075 (Target_sparc::do_finalize_sections): Change handling of
4077 * x86_64.cc: Include "copy-relocs.h".
4078 (class Target_x86_64): Change type of copy_relocs_ to variable,
4080 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4081 class. Change all callers.
4082 (Target_x86_64::do_finalize_sections): Change handling of
4084 * Makefile.am (CCFILES): Add copy-relocs.cc.
4085 (HFILES): Add copy-relocs.h.
4087 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4089 * testsuite/script_test_4.sh: Permit leading zeroes.
4091 2008-04-15 Ian Lance Taylor <iant@google.com>
4093 * script-sections.cc (Script_sections::create_segments): Use
4094 header_size_adjustment even when there is enough room for the
4096 * testsuite/script_test_4.sh: New file.
4097 * testsuite/script_test_4.t: New file.
4098 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4099 (check_DATA): Add script_test_4.stdout.
4100 (MOSTLYCLEANFILES): Likewise.
4101 (script_test_4): New target.
4102 (script_test_4.stdout): New target.
4103 * testsuite/Makefile.in: Rebuild.
4105 * sparc.cc: Add definitions for Output_data_plt_sparc class
4108 2008-04-14 David S. Miller <davem@davemloft.net>
4110 * sparc.cc: New file.
4111 * Makefile.am (TARGETSOURCES): Add sparc.cc
4112 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4113 * configure.tgt: Document targ_extra_size and
4114 targ_extra_big_endian. Add entries for sparc-* and
4116 * configure.ac: Handle targ_extra_size and
4117 targ_extra_big_endian.
4118 * Makefile.in: Rebuild.
4119 * configure: Likewise.
4120 * po/POTFILES.in: Likewise.
4121 * po/gold.pot: Likewise.
4123 2008-04-14 Ian Lance Taylor <iant@google.com>
4125 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4126 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4127 in the name/type/flags to section mapping. Don't call
4128 allocate_output_section.
4129 (Layout::choose_output_section): Change parameter from adjust_name
4130 to is_input_section. Don't permit input sections after sections
4131 are attached to segments. Don't call allocate_output_section.
4132 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4133 not write_enable_output_section.
4134 (Layout::make_output_section): Don't push to
4135 unattached_section_list_ nor call attach_to_segment. Call
4136 attach_section_to_segment if sections are attached.
4137 (Layout::attach_sections_to_segments): New function.
4138 (Layout::attach_section_to_segment): New function.
4139 (Layout::attach_allocated_section_to_segment): Rename from
4140 attach_to_segment. Remove flags parameter.
4141 (Layout::allocate_output_section): Remove function.
4142 (Layout::write_enable_output_section): Remove function.
4143 * layout.h (class Layout): Update for above changes. Add new
4144 field sections_are_attached_.
4145 * output.h (Output_section::update_flags_for_input_section): New
4147 * output.cc (Output_section::add_input_section): Call
4148 update_flags_for_input_section.
4149 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4151 2008-04-11 Cary Coutant <ccoutant@google.com>
4153 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4154 thought unnecessary.
4155 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4157 2008-04-11 Ian Lance Taylor <iant@google.com>
4159 * output.h (class Output_section_data): Remove inline definition
4161 * output.cc (Output_section_data::set_addralign): New function.
4163 2008-04-11 Cary Coutant <ccoutant@google.com>
4165 Add support for TLS descriptors for i386 and x86_64.
4166 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4167 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4168 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4170 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4171 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4172 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4174 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4175 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4176 Fix problem with initial-exec relocations.
4177 (Target_i386::Relocate::relocate_tls): Likewise.
4178 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4180 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4181 support for section-plus-offset dynamic table entries.
4182 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4183 (Output_data_dynamic::Dynamic_entry): Add support for
4184 section-plus-offset dynamic table entries.
4185 (Output_data_dynamic::Classification): Likewise.
4186 (Output_data_dynamic::classification_): Renamed offset_.
4187 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4188 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4189 (Target_x86_64::make_plt_section): New function.
4190 (Target_x86_64::reserve_tlsdesc_entries): New function.
4191 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4192 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4193 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4194 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4195 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4196 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4197 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4198 add extra PLT entry for TLS descriptors.
4199 (Output_data_plt_x86_64::got_): New field.
4200 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4201 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4203 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4205 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4206 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4207 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4208 R_386_TLS_DESC_CALL relocations.
4209 (Target_x86_64::Scan::global): Likewise.
4210 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4211 for TLS descriptors.
4212 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4213 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4214 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4215 GD-to-IE relaxation.
4216 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4217 and TLS_DESCRIPTORS.
4218 * Makefile.in: Rebuild.
4219 * configure: Rebuild.
4220 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4221 (tls_test_shared2.so): New target.
4222 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4223 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4224 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4225 (tls_shared_gd_to_ie_test_LDADD): New variable.
4226 (tls_shared_gnu2_gd_to_ie_test): New target.
4227 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4229 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4230 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4231 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4232 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4233 (tls_shared_gnu2_test): New target.
4234 (tls_test_gnu2_shared.so): New target.
4235 (tls_shared_gnu2_test_SOURCES): New variable.
4236 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4237 (tls_shared_gnu2_test_LDFLAGS): New variable.
4238 (tls_shared_gnu2_test_LDADD): New variable.
4239 * testsuite/Makefile.in: Rebuild.
4240 * testsuite/Makefile.
4242 2008-04-11 Ian Lance Taylor <iant@google.com>
4244 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4246 * testsuite/Makefile.in: Rebuild.
4248 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4250 * testsuite/script_test_2.cc (main): Adjust test.
4252 2008-04-11 David S. Miller <davem@davemloft.net>
4253 Ian Lance Taylor <iant@google.com>
4255 * options.h (General_options): Add entries for '-Y' and
4257 * options.cc (General_options:finalize): If -Y was used, add those
4258 entries to the library path instead of the default "/lib" and
4261 2008-04-11 David S. Miller <davem@davemloft.net>
4263 * testsuite/justsyms.t: Start at 0x100.
4264 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4265 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4267 * testsuite/script_test_2.cc: Adjust string and section length
4270 2008-04-09 Ian Lance Taylor <iant@google.com>
4273 * script-sections.cc (Sections_element::allocate_to_segment): Add
4275 (Output_section_definition::allocate_to_segment): Likewise.
4276 (Orphan_output_section::allocate_to_segment): Likewise.
4277 (Script_sections::attach_sections_using_phdrs_clause): Don't
4278 propagate non-PT_LOAD segments to orphan sections.
4279 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4280 readelf rather than objdump.
4281 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4282 .interp section and PT_INTERP segment are the same size.
4283 * testsuite/Makefile.in: Rebuild.
4285 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4286 aliases for symbols defined in the same object.
4287 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4288 (weak_alias_test_SOURCES): New variable.
4289 (weak_alias_test_DEPENDENCIES): New variable.
4290 (weak_alias_test_LDFLAGS): New variable.
4291 (weak_alias_test_LDADD): New variable.
4292 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4293 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4294 (weak_alias_test_3.o): New target.
4295 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4296 * testsuite/weak_alias_test_main.cc: New file.
4297 * testsuite/weak_alias_test_1.cc: New file.
4298 * testsuite/weak_alias_test_2.cc: New file.
4299 * testsuite/weak_alias_test_3.cc: New file.
4301 2008-04-08 Ian Lance Taylor <iant@google.com>
4303 * options.h (class General_options): Add --noinhibit-exec option.
4304 * main.cc (main): Check --noinhibit-exec.
4306 * options.h (class General_options): Define --wrap as a special
4307 option. Add wrap_symbols_ field.
4308 (General_options::any_wrap_symbols): New function.
4309 (General_options::is_wrap_symbol): New function.
4310 * options.cc (General_options::parse_wrap): New function.
4311 (General_options::General_options): Initialize wrap_symbols_.
4312 * symtab.cc (Symbol_table::wrap_symbol): New function.
4313 (Symbol_table::add_from_object): Handle --wrap.
4314 * symtab.h (class Symbol_table): Declare wrap_symbol.
4315 * target.h (Target::wrap_char): New function.
4316 (Target::Target_info): Add wrap_char field.
4317 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4318 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4319 * testsuite/testfile.cc (Target_test::test_target_info):
4322 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4325 * layout.h (class Layout): Add added_eh_frame_data_ field.
4326 * layout.cc (Layout::Layout): Initialize new field.
4327 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4328 output section until we find a section we merged successfully.
4329 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4330 that the size be non-zero.
4332 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4335 2008-04-08 Craig Silverstein <csilvers@google.com>
4337 * configure.ac: Export new conditional variable HAVE_ZLIB.
4338 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4340 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4341 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4343 2008-04-07 Ian Lance Taylor <iant@google.com>
4345 * version.cc (version_string): Set to "1.5".
4347 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4348 Add issued_non_pic_error_ field. Declare check_non_pic.
4349 (Target_x86_64::Scan::check_non_pic): New function.
4350 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4351 (Target_x86_64::Scan::global): Likewise.
4353 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4354 addend parameter. Change caller. Handle merge sections.
4355 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4356 Address to Addend. Don't add in the result of
4357 local_section_offset, pass down the addend and use the returned
4359 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4360 Update declarations of local_section_offset and symbol_value.
4361 * testsuite/two_file_test_1.cc (t18): New function.
4362 * testsuite/two_file_test_2.cc (f18): New function.
4363 * testsuite/two_file_test_main.cc (main): Call t18.
4364 * testsuite/two_file_test.h (t18, f18): Declare.
4366 * configure.ac: Don't test for objdump, c++filt, or readelf.
4367 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4369 (TEST_READELF): New variable.
4370 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4371 (check_PROGRAMS): Add two_file_strip_test.
4372 (two_file_strip_test): New target.
4373 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4374 (two_file_same_shared_strip_test_SOURCES): New variable.
4375 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4376 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4377 (two_file_same_shared_strip_test_LDADD): New variable.
4378 (two_file_shared_strip.so): New target.
4379 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4380 (ver_test_5.syms, ver_test_7.syms): Likewise.
4381 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4382 (strip_test_3.stdout): Use TEST_OBJDUMP.
4383 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4385 2008-04-04 Cary Coutant <ccoutant@google.com>
4387 * symtab.h (Symbol::is_weak_undefined): New function.
4388 (Symbol::is_strong_undefined): New function.
4389 (Symbol::is_absolute): New function.
4390 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4391 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4393 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4394 (weak_undef_test): New target.
4395 * testsuite/Makefile.in: Rebuild.
4396 * testsuite/weak_undef_file1.cc: New file.
4397 * testsuite/weak_undef_file2.cc: New file.
4398 * testsuite/weak_undef_test.cc: New file.
4400 2008-04-03 Craig Silverstein <csilvers@google.com>
4402 * compressed_output.h (class Output_compressed_section): Use
4404 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4406 (zlib_compressed_suffix): Removed.
4407 (Output_compressed_section::set_final_data_size): Use unsigned
4409 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4410 Fix linker invocation.
4411 (flagstest_o_specialfile_and_compress_debug_sections):
4413 * testsuite/Makefile.in: Regenerated.
4415 2008-04-02 David S. Miller <davem@davemloft.net>
4417 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4418 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4420 2008-04-02 Craig Silverstein <csilvers@google.com>
4424 2008-04-02 Ian Lance Taylor <iant@google.com>
4426 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4427 parameters. Update for new key type to views_. Change all
4429 (File_read::read): Adjust for byteshift in returned view.
4430 (File_read::add_view): New function, broken out of
4432 (File_read::make_view): New function, broken out of
4434 (File_read::find_or_make_view): Add offset and aligned
4435 parameters. Rewrite accordingly. Change all callers.
4436 (File_read::get_view): Add offset and aligned parameters. Adjust
4437 for byteshift in return value.
4438 (File_read::get_lasting_view): Likewise.
4439 * fileread.h (class File_read): Update declarations.
4440 (class File_read::View): Add byteshift_ field. Add byteshift to
4441 constructor. Add byteshift method.
4442 * archive.h (Archive::clear_uncached_views): New function.
4443 (Archive::get_view): Add aligned parameter. Change all callers.
4444 * object.h (Object::get_view): Add aligned parameter. Change all
4446 (Object::get_lasting_view): Likewise.
4448 * fileread.cc (File_read::release): Don't call clear_views if
4449 there are multiple objects.
4450 * fileread.h (File_read::clear_uncached_views): New function.
4451 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4454 2008-03-31 Cary Coutant <ccoutant@google.com>
4456 Add thin archive support.
4457 * archive.cc (Archive::armagt): New const.
4458 (Archive::setup): Remove task parameter and calls to unlock.
4459 (Archive::unlock_nested_archives): New function.
4460 (Archive::read_header): Add nested_off parameter. Change
4462 (Archive::interpret_header): Likewise.
4463 (Archive::include_all_members): Change to handle thin
4465 (Archive::include_member): Likewise.
4466 * archive.h (Archive::Archive): Add new parameters and
4468 (Archive::armagt): New const.
4469 (Archive::setup): Remove task parameter.
4470 (Archive::unlock_nested_archives): New function.
4471 (Archive::read_header): Add nested_off parameter.
4472 (Archive::interpret_header): Likewise.
4473 (Archive::Nested_archive_table): New typedef.
4474 (Archive::is_thin_archive_): New field.
4475 (Archive::nested_archives_): New field.
4476 (Archive::options_): New field.
4477 (Archive::dirpath_): New field.
4478 (Archive::task_): New field.
4479 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4480 for thin archives. Pass additional parameters to
4481 Archive::Archive. Unlock the archive file after calling
4484 2008-03-29 Ian Lance Taylor <iant@google.com>
4486 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4487 version symbol to be local.
4488 * testsuite/ver_test_4.sh: New file.
4489 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4490 (check_DATA): Add ver_test_4.syms.
4491 (ver_test_4.syms): New target.
4492 * testsuite/Makefile.in: Rebuild.
4495 (Output_section::Input_section_sort_entry::has_priority): New
4497 (Output_section::Input_section_sort_entry::match_file_name): New
4499 (Output_section::Input_section_sort_entry::match_section_name):
4501 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4503 (Output_section::Input_section_sort_entry::match_section_file):
4505 (Output_section::Input_section_sort_compare::operator()): Rewrite
4506 using new Input_section_sort_entry functions. Sort crtbegin and
4507 crtend first. Sort sections with no priority before sections with
4509 * testsuite/initpri1.c (d3): Check j != 4.
4510 (cd5): New constructor/destructor function.
4511 (main): Check j != 2.
4513 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4514 new symbol when resolving, don't call set_is_default.
4515 * testsuite/ver_test_7.cc: New file.
4516 * testsuite/ver_test_7.sh: New file.
4517 * testsuite/Makefile.am (ver_test_7.so): New target.
4518 (ver_test_7.o): New target.
4519 (check_SCRIPTS): Add ver_test_7.sh.
4520 (check_DATA): Add ver_test_7.syms.
4521 (ver_test_7.syms): New target.
4523 2008-03-28 Ian Lance Taylor <iant@google.com>
4525 * layout.cc (Layout::layout): If we see an input section with a
4526 name that needs sorting, set the must_sort flag for the output
4528 (Layout::make_output_section): If the name of the output section
4529 indicates that it might require sorting, set the may_sort flag.
4530 * output.h (Output_section::may_sort_attached_input_sections): New
4532 (Output_section::set_may_sort_attached_input_sections): New
4534 (Output_section::must_sort_attached_input_sections): New
4536 (Output_section::set_must_sort_attached_input_sections): New
4538 (class Output_section): Declare Input_section_sort_entry. Define
4539 Input_section_sort_compare. Declare
4540 sort_attached_input_sections. Add new fields:
4541 may_sort_attached_input_sections_,
4542 must_sort_attached_input_sections_,
4543 attached_input_sections_are_sorted_.
4544 * output.cc (Output_section::Output_section): Initialize new
4546 (Output_section::add_input_section): Add an entry to
4547 input_sections_ if may_sort or must_sort are true.
4548 (Output_section::set_final_data_size): Call
4549 sort_attached_input_sections if necessary.
4550 (Output_section::Input_section_sort_entry): Define new class.
4551 (Output_section::Input_section_sort_compare::operator()): New
4553 (Output_section::sort_attached_input_sections): New function.
4554 * configure.ac: Check whether the compiler supports constructor
4555 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4556 * testsuite/initpri1.c: New file.
4557 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4558 CONSTRUCTOR_PRIORITY.
4559 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4560 (initpri1_LDFLAGS): New variable.
4561 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4563 2008-03-27 Ian Lance Taylor <iant@google.com>
4565 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4566 * testsuite/common_test_1.c: New file.
4567 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4568 (common_test_1_SOURCES): New variable.
4569 (common_test_1_DEPENDENCIES): New variable.
4570 (common_test_1_LDFLAGS): New variable.
4572 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4573 and commons_ correctly when NAME/VERSION does not override
4575 * testsuite/ver_test_6.c: New file.
4576 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4577 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4578 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4580 2008-03-26 Ian Lance Taylor <iant@google.com>
4582 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4583 of an undefined symbol from a version script.
4584 * testsuite/Makefile.am (ver_test_5.so): New target.
4585 (ver_test_5.o): New target.
4586 (check_SCRIPTS): Add ver_test_5.sh.
4587 (check_DATA): Add ver_test_5.syms.
4588 (ver_test_5.syms): New target.
4589 * testsuite/ver_test_5.cc: New file.
4590 * testsuite/ver_test_5.script: New file.
4591 * testsuite/ver_test_5.sh: New file.
4592 * Makefile.in, testsuite/Makefile.in: Rebuild.
4595 Fix problems building gold with gcc 4.3.0.
4596 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4597 (gold_error_at_location, gold_warning_at_location): Use it.
4598 * configure.ac: Check whether we can compile and use a template
4599 function with a printf attribute.
4600 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4601 when jumping over bytes.
4602 * object.cc: Instantiate Object::read_section_data.
4603 * debug.h: Include <cstring>
4604 * dwarf_reader.cc: Include <algorithm>
4605 * main.cc: Include <cstring>.
4606 * options.cc: Include <cstring>.
4607 * output.cc: Include <cstring>.
4608 * script.cc: Include <cstring>.
4609 * script.h: Include <string>.
4610 * symtab.cc: Include <cstring> and <algorithm>.
4611 * target-select.cc: Include <cstring>.
4612 * version.cc: Include <string>.
4613 * testsuite/testmain.cc: Include <cstdlib>.
4614 * configure, config.in: Rebuild.
4616 2008-03-25 Ian Lance Taylor <iant@google.com>
4618 * options.cc: Include "../bfd/bfdver.h".
4619 (options::help): Print bug reporting address.
4621 * version.cc (print_version): Adjust output for current value of
4626 * options.cc (options::help): Print list of supported targets.
4627 * target-select.h: Include <vector>.
4628 (class Target_selector): Make machine_, size_, and is_big_endian_
4629 fields const. Add bfd_name_ and instantiated_target_ fields.
4630 (Target_selector::Target_selector): Add bfd_name parameter.
4631 (Target_selector::recognize): Make non-virtual, call
4633 (Target_selector::recognize_by_name): Make non-virtual, call
4634 do_recognize_by_name.
4635 (Target_selector::supported_names): New function.
4636 (Target_selector::bfd_name): New function.
4637 (Target_selector::do_instantiate_target): New pure virtual
4639 (Target_selector::do_recognize): New virtual function.
4640 (Target_selector::do_recognize_by_name): New virtual function.
4641 (Target_selector::instantiate_target): New private function.
4642 (supported_target_names): Declare.
4643 * target-select.cc (Target_selector::Target_selector): Update for
4644 new parameter and fields.
4645 (select_target_by_name): Check that the name matches before
4646 calling recognize_by_name.
4647 (supported_target_names): New function.
4648 * i386.cc (class Target_selector_i386): Update Target_selector
4649 constructor call. Remove recognize and recognize_by_name. Add
4650 do_instantiate_target.
4651 * x86_64.cc (class Target_selector_x86_64): Likewise.
4652 * testsuite/testfile.cc (class Target_selector_test): Update for
4653 changes to Target_selector.
4655 * README: Rewrite, with some notes on unsupported features.
4657 2008-03-24 Cary Coutant <ccoutant@google.com>
4659 * i386.cc (Target_i386::Got_type): New enum declaration.
4660 (Target_i386::Scan::local): Updated callers of Output_data_got
4662 (Target_i386::Scan::global): Likewise.
4663 (Target_i386::Relocate::relocate): Likewise.
4664 (Target_i386::Relocate::relocate_tls): Likewise.
4665 * object.h (Got_offset_list): New class.
4666 (Sized_relobj::local_has_got_offset): Added got_type parameter.
4667 (Sized_relobj::local_got_offset): Likewise.
4668 (Sized_relobj::set_local_got_offset): Likewise.
4669 (Sized_relobj::local_has_tls_got_offset): Removed.
4670 (Sized_relobj::local_tls_got_offset): Removed.
4671 (Sized_relobj::set_local_tls_got_offset): Removed.
4672 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4673 * output.cc (Output_data_got::add_global): Added got_type parameter.
4674 (Output_data_got::add_global_with_rel): Likewise.
4675 (Output_data_got::add_global_with_rela): Likewise.
4676 (Output_data_got::add_global_pair_with_rel): New function.
4677 (Output_data_got::add_global_pair_with_rela): New function.
4678 (Output_data_got::add_local): Added got_type parameter.
4679 (Output_data_got::add_local_with_rel): Likewise.
4680 (Output_data_got::add_local_with_rela): Likewise.
4681 (Output_data_got::add_local_pair_with_rel): New function.
4682 (Output_data_got::add_local_pair_with_rela): New function.
4683 (Output_data_got::add_global_tls): Removed.
4684 (Output_data_got::add_global_tls_with_rel): Removed.
4685 (Output_data_got::add_global_tls_with_rela): Removed.
4686 (Output_data_got::add_local_tls): Removed.
4687 (Output_data_got::add_local_tls_with_rel): Removed.
4688 (Output_data_got::add_local_tls_with_rela): Removed.
4689 * output.h (Output_data_got::add_global): Added got_type parameter.
4690 (Output_data_got::add_global_with_rel): Likewise.
4691 (Output_data_got::add_global_with_rela): Likewise.
4692 (Output_data_got::add_global_pair_with_rel): New function.
4693 (Output_data_got::add_global_pair_with_rela): New function.
4694 (Output_data_got::add_local): Added got_type parameter.
4695 (Output_data_got::add_local_with_rel): Likewise.
4696 (Output_data_got::add_local_with_rela): Likewise.
4697 (Output_data_got::add_local_pair_with_rel): New function.
4698 (Output_data_got::add_local_pair_with_rela): New function.
4699 (Output_data_got::add_global_tls): Removed.
4700 (Output_data_got::add_global_tls_with_rel): Removed.
4701 (Output_data_got::add_global_tls_with_rela): Removed.
4702 (Output_data_got::add_local_tls): Removed.
4703 (Output_data_got::add_local_tls_with_rel): Removed.
4704 (Output_data_got::add_local_tls_with_rela): Removed.
4705 * resolve.cc (Symbol::override_base_with_special): Removed
4706 reference to has_got_offset_ field.
4707 * symtab.cc (Symbol::init_fields): Replaced initialization
4708 of got_offset_ with got_offsets_. Removed initialization
4710 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
4711 (Symbol::got_offset): Likewise.
4712 (Symbol::set_got_offset): Likewise.
4713 (Symbol::has_tls_got_offset): Removed.
4714 (Symbol::tls_got_offset): Removed.
4715 (Symbol::set_tls_got_offset): Removed.
4716 (Symbol::got_offset_): Removed.
4717 (Symbol::tls_mod_got_offset_): Removed.
4718 (Symbol::tls_pair_got_offset_): Removed.
4719 (Symbol::got_offsets_): New field.
4720 (Symbol::has_got_offset): Removed.
4721 (Symbol::has_tls_mod_got_offset): Removed.
4722 (Symbol::has_tls_pair_got_offset): Removed.
4723 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4724 (Target_x86_64::Scan::local): Updated callers of Output_data_got
4726 (Target_x86_64::Scan::global): Likewise.
4727 (Target_x86_64::Relocate::relocate): Likewise.
4728 (Target_x86_64::Relocate::relocate_tls): Likewise.
4730 2008-03-25 Ben Elliston <bje@au.ibm.com>
4732 * yyscript.y: Fix spelling error in comment.
4734 2008-03-24 Ian Lance Taylor <iant@google.com>
4736 * options.h (class General_options): Define build_id option.
4737 * layout.h (class Layout): Declare write_build_id, create_note,
4738 create_build_id. Add build_id_note_ member.
4739 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4740 "libiberty.h", "md5.h", "sha1.h".
4741 (Layout::Layout): Initialize eh_frame_data_,
4742 eh_frame_hdr_section_, and build_id_note_.
4743 (Layout::finalize): Call create_build_id.
4744 (Layout::create_note): New function, broken out of
4745 Layout::create_gold_note.
4746 (Layout::create_gold_note): Call create_note.
4747 (Layout::create_build_id): New function.
4748 (Layout::write_build_id): New function.
4749 (Close_task_runner::run): Call write_build_id.
4751 * x86_64.cc: Correct license to GPLv3.
4753 2008-03-23 Ian Lance Taylor <iant@google.com>
4755 * options.cc: Include "demangle.h".
4756 (parse_optional_string): New function.
4757 (parse_long_option): Handle takes_optional_argument.
4758 (parse_short_option): Update dash_z initializer. Handle
4759 takes_optional_argument.
4760 (General_options::General_options): Initialize do_demangle_.
4761 (General_options::finalize): Set do_demangle_. Handle demangling
4763 * options.h (parse_optional_string): Declare.
4764 (struct One_option): Add optional_arg field. Update constructor.
4765 Update call constructor calls. Add takes_optional_argument
4767 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
4768 (DEFINE_optional_string): Define.
4769 (General_options::demangle): Change from DEFINE_bool to
4770 DEFINE_optional_string.
4771 (General_options::no_demangle): New function.
4772 (General_options::do_demangle): New function.
4773 (General_options::set_do_demangle): New function.
4774 (General_options::execstack_status_): Move definition to end of
4776 (General_options::static_): Likewise.
4777 (General_options::do_demangle_): New field.
4778 * object.cc (big_endian>::get_symbol_location_info): Call
4779 Options::do_demangle, not Options::demangle.
4780 * symtab.cc (demangle): Likewise.
4782 2008-03-22 Ian Lance Taylor <iant@google.com>
4784 * gold.h: Include <cstddef> and <sys/types.h>
4785 * options.h: Include <cstring>.
4787 2008-03-21 Ian Lance Taylor <iant@google.com>
4789 * Added source code to GNU binutils.